WO2007031670A1 - Procede de commande d'un groupe motopropulseur de vehicule comprenant deux circuits de refroidissement - Google Patents
Procede de commande d'un groupe motopropulseur de vehicule comprenant deux circuits de refroidissement Download PDFInfo
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- WO2007031670A1 WO2007031670A1 PCT/FR2006/050857 FR2006050857W WO2007031670A1 WO 2007031670 A1 WO2007031670 A1 WO 2007031670A1 FR 2006050857 W FR2006050857 W FR 2006050857W WO 2007031670 A1 WO2007031670 A1 WO 2007031670A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/003—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to inverters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/34—Cabin temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/425—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/44—Drive Train control parameters related to combustion engines
- B60L2240/445—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/525—Temperature of converter or components thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/20—Drive modes; Transition between modes
- B60L2260/22—Standstill, e.g. zero speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P2005/105—Using two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2031/00—Fail safe
- F01P2031/30—Cooling after the engine is stopped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2050/00—Applications
- F01P2050/24—Hybrid vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/02—Intercooler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/04—Lubricant cooler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/04—Lubricant cooler
- F01P2060/045—Lubricant cooler for transmissions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/08—Cabin heater
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/16—Outlet manifold
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Definitions
- the invention relates to the control of powertrains of motor vehicles and in particular that of their cooling circuits.
- hybrid vehicles are equipped with a power train comprising a heat engine, one or two electrical machines, electronic power components and a power battery.
- the heat engine can be used to recharge the batteries via a generator and / or to tow or propel the vehicle. In the case where the engine only recharges the vehicle's batteries, it is called a hybrid series vehicle. In the case where the heat engine tows and / or propels the vehicle, it is called parallel hybrid vehicle.
- the temperature level of the coolant electrotechnical organs (the one or more electrical machines and electronic power components) and the temperature level of the coolant of the engine are not the same.
- the temperature of the coolant in order to improve the reliability of the electrotechnical components (in particular the power electronics), the temperature of the coolant must not exceed a threshold such as 70 ° C.
- the coolant of the engine in order to improve the reliability of the electrotechnical components (in particular the power electronics), the temperature of the coolant must not exceed a threshold such as 70 ° C.
- the coolant of the engine must not exceed a threshold such as 100 ° C. Therefore, it is interesting to use two cooling circuits in order to comply with the thermal specifications of the components of the hybrid powertrain, namely a low temperature circuit for the electrotechnical organs and a high temperature circuit for the engine.
- Document JP-2004 07 66 03 discloses a vehicle in which the two cooling circuits associated respectively with the heat engine and the electric motor can be placed in fluid communication in the event of failure of the pump of one of the circuits.
- the setting in communication is limited to this abnormal circumstance.
- An object of the invention is to improve the operation of the powertrains, particularly but not exclusively in the case of hybrid vehicles to improve the cooling of the thermal engine in thermal mode and also to improve the temperature rise of the engine and the heating of the cockpit.
- a method for controlling a vehicle powertrain in which two or more normally functioning cooling circuits are connected to each other or connected by means of at least one valve. a heat engine and at least one electrical member.
- normal operation is meant a fault-free operation of the members of each circuit.
- the electrical member or one of the electrical members comprises a motor; - the setting is made or maintained in communication when the vehicle moves by means of the single electric motor, for example during a cold start, when heating the cabin is requested, or when engine cooling thermal and / or turbocharger is required;
- the setting or keeping in communication is carried out when the vehicle moves simultaneously by means of the thermal and electric engines, for example during a cold start;
- the setting or holding is made in communication when the vehicle moves by means of the single heat engine, for example when a temperature of a liquid of the circuit associated with the heat engine exceeds a predetermined threshold;
- the interruption is carried out or maintained when the vehicle moves by means of the single heat engine, for example during a cold or hot start or during a hot run;
- the interruption is carried out or maintained when the vehicle moves simultaneously by means of the thermal and electrical engines, for example when a liquid in the circuit associated with the heat engine exceeds a second predetermined threshold.
- the invention also provides a vehicle comprising:
- Two cooling circuits respectively associated with a heat engine and at least one electrical member; and at least one circuit communication valve, the control means being arranged to control the putting into or keeping in communication of the circuits operating in a normal manner.
- the vehicle according to the invention may also have at least one of the following characteristics: the number of valves is less than or equal to two; and
- FIG. schematic view of the cooling circuits in a vehicle according to a preferred embodiment of the invention
- FIG. 2 shows the different positions of the valve forming part of the circuit of Figure 1;
- FIGS. 3 to 8 show the circuits of FIG. 1 in other operating circumstances.
- Figure 9 is a diagram similar to that of Figure 1 showing an alternative embodiment.
- the vehicle comprises a heat engine 2 associated with a cooling circuit 4.
- This circuit comprises a pump to water 6 is mechanical and driven by the engine or electric.
- the circuit 4 contains a cooling radiator 8 called high temperature radiator or heat radiator.
- the circuit 4 also comprises a heater 10 or heating radiator of the passenger compartment.
- This same circuit comprises in this case a thermostat 12 in the form of a wax thermostat, a controlled thermostat or a controlled valve, for regulating the temperature of the coolant circulating in the circuit 4.
- the circuit may comprise other conventional members according to the technical definition of the engine and whether it is a spark ignition engine or spontaneous ignition. These organs will be for example:
- the circuit includes a circuit filling and degassing jar not shown. It also possibly includes one of the two electrical machines 16 for example the generator.
- the powertrain comprises in addition to the electric machine 16 a second electrical machine 18 such as a motor and electronic power components 20 and 22.
- a cooling circuit 24 separate from the circuit 4 is associated with these elements. It is a so-called low temperature circuit which comprises:
- a cooling radiator 26 called a low-temperature radiator or an electric radiator
- the heater 10 As an optional jar 30 degassing.
- the heater 10, the electrical machine 16, the exchanger 14 and the radiator 8 are arranged in parallel with the branch carrying the heat engine 2 and the pump 6.
- the two circuits 4 and 24 are in fluid communication.
- a first communication conduit 32 connects a point located on the low temperature circuit 24 between the jar 30 and the radiator 26 at the end of the branch carrying the heater 10 in the high temperature circuit 4. It s is a flow conduit for passing the liquid from the circuit 24 to the circuit 4.
- a return conduit 33 is provided parallel to the other end of the branch carrying the heater in the circuit 4, and causing the liquid to a point located between the radiator 26 and the power component 22.
- a three-way valve V2 40 is positioned in the circuit 24 at the intersection between the forward conduit 32 and this circuit.
- the cooling liquid used in these two circuits is here a mixture of water and ethylene glycol or any other liquid whose thermophysical properties are close to this mixture.
- the engine is a spontaneous ignition engine requiring the use of a recirculated coolant / recirculated exhaust gas exchanger 14. But this is only an example.
- - Electric mode the vehicle is powered and / or towed by the electric motor 18 without the intervention of the engine
- - Thermal mode the vehicle is powered and / or towed by means of the single engine, without the intervention of the electric motor
- - Hybrid mode the vehicle is propelled and / or towed by means of both the thermal and electric engines.
- FIG. 1 This operating circumstance corresponds to FIG. 1.
- the valve 40 is controlled so that it closes the access to the low-temperature radiator 26.
- the circulation of the liquid is then effected according to the arrows indicated in FIG. 1.
- the liquid travels in this order the components 22, 20, 18, 28, 30 then crosses the valve 40 to pass through the conduit 32. It then goes through the different branches of the circuit 4 except for the radiator 8 and returns to the circuit 24 at means of the conduit 33.
- the power dissipated by the electrotechnical devices can improve the temperature rise of the engine and dissipate a thermal power at the heater in case a request for o heating of the passenger compartment is made.
- This mode corresponds to that of FIG. 3.
- the two mechanical and electric pumps 6 and 6 operate.
- the communication between the high and low temperature circuits is put in place and / or maintained since it again makes it possible to use the power dissipated by the electrotechnical components in order to improve the rise in temperature of the coolant and the engine. It 0 also improves the rise in temperature of the cabin via the power dissipated to the heater during a heating demand.
- the valve V2 closes the access to the low temperature radiator and is thus as for Figure 1 in position 1.
- the thermostat 12 of the high temperature circuit opens so that the coolant is cooled at the heat sink.
- the opening of the thermostat is around 85 or 90 ° C.
- the thermostat is in a controlled configuration in which case its opening temperature may be higher. It will for example be set at 110 ° C for a power demand to the low motor shaft.
- This thermostat can also be replaced by a pilot valve. In such circumstances, the valve 40 is placed so that the interruption of communication between the two circuits is realized or maintained. The valve is therefore here again in position 3.
- Mode 5 - Rolling in thermal mode very hot liquid
- This mode illustrated in Figure 6 corresponds for example to the case where the liquid in the high temperature circuit is at about 100 ° C.
- a threshold such as 90 or 95 ° C.
- Running in a very hot thermal mode is performed when the vehicle is only powered or towed by the engine and the electrotechnical organs do not work. During this mode of running, the heat engine dissipates a lot of thermal power to the coolant, for example 6OkW. Since electrotechnical devices do not work, they do not need cooling. This is why it is made that the electric radiator 26 then helps the cooling of the engine.
- the position of the valve is the position 2 so that the liquid coming from the circuit 4 through the return duct 33 is conveyed integrally in the electric radiator 26 and is then directed by the valve in the forward duct 32.
- the operating mode can be met by high temperature or for particularly high demands on the power of the heat engine shaft, in particular with a high forward speed.
- the temperature in the passenger compartment decreases rapidly because the power dissipated at the level of the heater to the cabin uses only the stored energy within the volume of water included in this unit heater. If a coolant flow is maintained in the cooling circuit by the electric water pump of the low temperature circuit, the thermal comfort is maintained much longer. Specifically, during a prolonged stop of the vehicle while the driver or passengers remain in the vehicle, the circulation of liquid generated by the operation of the electric water pump can maintain comfort in the passenger compartment for example for thirty minutes by -20 ° C outside temperature. Conversely, without circulation of water at the end of the engine and the vehicle, the comfort would be maintained for only five minutes.
- a circulation of water within the engine limits the thermomechanical stresses within it.
- the circulation of the coolant makes it possible to reduce the temperature of the engine without there being any boiling phenomenon located within the cylinder head or the engine block.
- post cooling It is the same for the engine of the engine such as turbocharger bearings that require post cooling after a ride where the engine was very stressed.
- FIG. 9 illustrates an alternative embodiment of the invention.
- the valve 40 is a two-way valve positioned between the upstream end of the forward duct 32 and optionally the electric heater 26 or the jar 30.
- an additional valve V1 42 positioned on the duct. return 33.
- This last valve is an all-or-nothing valve.
- the invention has many advantages. It helps the cooling of the thermal engine in thermal rolling beyond, for example, a speed threshold of the vehicle such as 130 km / h. It uses the power dissipated by the electrotechnical organs to improve the temperature rise of the engine, the passenger compartment or any other organ that needs to reach a high operating temperature as quickly as possible.
- This is, for example, a heat engine / coolant lubricating oil exchanger, a gearbox / coolant lubricating oil exchanger, a recirculated exhaust gas / liquid exchanger. cooling or heat exchanger air intake of the engine / coolant. This action reduces pollutant emissions (especially HC and CO) and fuel consumption.
- the invention makes it possible to reduce the operating time and the cost of the additional electric water pump dedicated to the cooling of the electrotechnical organs.
- the electrical contacts of a pump as well as other electric motors are provided by brushes or coals. These components are cheap but their duration of life is limited. We know a brushless technology that has a longer life but whose cost is twice as high. It is therefore interesting to operate the pump as little as possible so that it consumes less and also for its low cost. Thus the coupling of the high temperature circuit and the low temperature circuit makes it possible to satisfy all the needs mentioned above.
- the invention can be implemented including high and low temperature cooling circuits coupled together, for example on conventional vehicles, for applications such as charge air cooling, recirculated exhaust gases, and water / oil exchangers for the engine or gearbox. Indeed, the coupling of two circuits improves the rise in temperature of the engine and the passenger compartment.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06808295A EP1926625A1 (fr) | 2005-09-13 | 2006-09-07 | Procede de commande d'un groupe motopropulseur de vehicule comprenant deux circuits de refroidissement |
US12/066,763 US8215427B2 (en) | 2005-09-13 | 2006-09-07 | Method for controlling a vehicle drive train comprising two cooling circuits |
JP2008530578A JP4753996B2 (ja) | 2005-09-13 | 2006-09-07 | 2つの冷却回路を備える車両のドライブトレインの制御方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0509331 | 2005-09-13 | ||
FR0509331A FR2890606B1 (fr) | 2005-09-13 | 2005-09-13 | Procede de commande d'un groupe motopropulseur de vehicule comprenant deux circuits de refroidissement |
Publications (1)
Publication Number | Publication Date |
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WO2007031670A1 true WO2007031670A1 (fr) | 2007-03-22 |
Family
ID=36578809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2006/050857 WO2007031670A1 (fr) | 2005-09-13 | 2006-09-07 | Procede de commande d'un groupe motopropulseur de vehicule comprenant deux circuits de refroidissement |
Country Status (5)
Country | Link |
---|---|
US (1) | US8215427B2 (fr) |
EP (1) | EP1926625A1 (fr) |
JP (1) | JP4753996B2 (fr) |
FR (1) | FR2890606B1 (fr) |
WO (1) | WO2007031670A1 (fr) |
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- 2005-09-13 FR FR0509331A patent/FR2890606B1/fr not_active Expired - Fee Related
-
2006
- 2006-09-07 EP EP06808295A patent/EP1926625A1/fr not_active Withdrawn
- 2006-09-07 WO PCT/FR2006/050857 patent/WO2007031670A1/fr active Application Filing
- 2006-09-07 JP JP2008530578A patent/JP4753996B2/ja not_active Expired - Fee Related
- 2006-09-07 US US12/066,763 patent/US8215427B2/en not_active Expired - Fee Related
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JPH11313406A (ja) * | 1998-04-28 | 1999-11-09 | Hitachi Ltd | ハイブリッド車の冷却装置 |
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US6148910A (en) * | 1999-04-20 | 2000-11-21 | The United States Of America As Represented By The Secretary Of The Army | Battery heating system |
EP1059426A2 (fr) * | 1999-06-07 | 2000-12-13 | Mitsubishi Heavy Industries, Ltd. | Appareil de circulation pour fluide de refroidissement dans un vehicule |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8424303B2 (en) | 2008-04-18 | 2013-04-23 | Scania Cv Ab | Cooling arrangement for a supercharged internal combustion engine |
WO2009128768A1 (fr) * | 2008-04-18 | 2009-10-22 | Scania Cv Ab | Dispositif de refroidissement pour un moteur à combustion interne à suralimentation |
EP2795078A4 (fr) * | 2011-12-23 | 2015-09-09 | Scania Cv Ab | Dispositif et procédé pour refroidissement d'agent de refroidissement dans un système de refroidissement dans un véhicule |
CN108474287B (zh) * | 2015-11-13 | 2020-08-21 | 法国诺华公司 | 用于机动车辆的冷却回路 |
WO2017081407A1 (fr) * | 2015-11-13 | 2017-05-18 | Mecaplast France | Circuit de refroidissement pour un véhicule automobile |
FR3043719A1 (fr) * | 2015-11-13 | 2017-05-19 | Mecaplast France | Circuit de refroidissement pour un vehicule automobile |
CN108474287A (zh) * | 2015-11-13 | 2018-08-31 | 法国诺华公司 | 用于机动车辆的冷却回路 |
US10385760B2 (en) | 2015-11-13 | 2019-08-20 | Novares France | Cooling circuit for a motor vehicle |
FR3058761A1 (fr) * | 2016-11-14 | 2018-05-18 | Peugeot Citroen Automobiles Sa | Procede et dispositif de refroidissement de l’huile de lubrification dans un moteur thermique |
FR3073255A1 (fr) * | 2017-11-07 | 2019-05-10 | Psa Automobiles Sa | Groupe motopropulseur comportant une pompe a eau |
FR3074525A1 (fr) * | 2017-12-05 | 2019-06-07 | Psa Automobiles Sa | Circuit de refroidissement de groupe motopropulseur optimisant la montee en temperature d'une boite de vitesses |
US10434867B1 (en) | 2018-03-29 | 2019-10-08 | Toyota Jidosha Kabushiki Kaisha | Cooling apparatus of vehicle driving apparatuses |
US10906387B2 (en) | 2018-08-08 | 2021-02-02 | Toyota Jidosha Kabushiki Kaisha | Cooling apparatus of vehicle driving system |
WO2021221550A1 (fr) | 2020-04-29 | 2021-11-04 | Scania Cv Ab | Système de gestion thermique, et véhicule |
EP4143423A4 (fr) * | 2020-04-29 | 2024-06-05 | Scania CV AB | Système de gestion thermique, et véhicule |
US12286007B2 (en) | 2020-04-29 | 2025-04-29 | Scania Cv Ab | Thermal management system, and vehicle |
Also Published As
Publication number | Publication date |
---|---|
EP1926625A1 (fr) | 2008-06-04 |
FR2890606A1 (fr) | 2007-03-16 |
US8215427B2 (en) | 2012-07-10 |
US20080251303A1 (en) | 2008-10-16 |
JP4753996B2 (ja) | 2011-08-24 |
JP2009507717A (ja) | 2009-02-26 |
FR2890606B1 (fr) | 2008-11-07 |
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