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DE102004002045A1 - Vehicle clutch with transmission braking and hill holder function integrated into one compact layout using a wet plate clutch and with a common actuator - Google Patents

Vehicle clutch with transmission braking and hill holder function integrated into one compact layout using a wet plate clutch and with a common actuator Download PDF

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Publication number
DE102004002045A1
DE102004002045A1 DE200410002045 DE102004002045A DE102004002045A1 DE 102004002045 A1 DE102004002045 A1 DE 102004002045A1 DE 200410002045 DE200410002045 DE 200410002045 DE 102004002045 A DE102004002045 A DE 102004002045A DE 102004002045 A1 DE102004002045 A1 DE 102004002045A1
Authority
DE
Germany
Prior art keywords
clutch
transmission
transmission brake
actuator
hill holder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE200410002045
Other languages
German (de)
Inventor
Bernd Dipl.-Ing. Schepperle
Eckhardt Dipl.-Ing. Lübke
Martin Warken
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Priority to DE200410002045 priority Critical patent/DE102004002045A1/en
Publication of DE102004002045A1 publication Critical patent/DE102004002045A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D67/00—Combinations of couplings and brakes; Combinations of clutches and brakes
    • F16D67/02—Clutch-brake combinations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/18—Electric or magnetic
    • F16D2121/24—Electric or magnetic using motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
    • F16H2003/123—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches using a brake

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

A compact vehicle clutch and transmission, especially for an automatic transmission, has a wet plate clutch (1) and hydraulic transmission braking incorporating a common hydraulic system with one oil cooler. The system also includes a hill holder function which prevents the vehicle rolling in the opposite direction to that selected. The actuator (4) is connected to the transmission and clutch by an eccentric link (5).

Description

Die vorliegende Erfindung betrifft ein Anfahrkupplungssystem gemäß dem Oberbegriff des Patentanspruchs 1.The The present invention relates to a starting clutch system according to the preamble of claim 1

Nach dem Stand der Technik werden in Kraftfahrzeugen, insbesondere bei NKW üblicherweise die Getriebekomponenten Getriebebremse und Hillholder benötigt. Mittels der Getriebebremse kann die Getriebedrehzahl, beispielsweise bei Hochschaltungen, reduziert werden; die Hillholder-Funktion gewährleistet, dass ein Losrollen des Fahrzeugs entgegengesetzt zu der vom Fahrer gewünschten Richtung verhindert wird. Zusätzlich kann durch diese Funktion die Kupplungsbelastung, vor allem beim Stand am Berg und bei Anfahrten, stark reduziert werden.To The prior art are used in motor vehicles, especially in Commercial vehicles usually the transmission components transmission brake and Hillholder needed. through the transmission brake, the transmission speed, for example Upshifts, to be reduced; ensures the hillholder function that a rolling of the vehicle opposite to that of the driver desired Direction is prevented. additionally This function can reduce the coupling load, especially when standing on the mountain and when approaching, be greatly reduced.

Aus dem Stand der Technik ist die Kombination einer Trockenkupplung und einer Getriebebremse bekannt. So wird beispielsweise im Rahmen der DE 198 26 068 C2 der Anmelderin vorgeschlagen, eine gemeinsame Betätigungsvorrichtung zur Betätigung des Kupplungsstellers und der Getriebebremse vorzusehen.From the prior art, the combination of a dry clutch and a transmission brake is known. For example, under the DE 198 26 068 C2 the applicant proposed to provide a common actuator for actuating the clutch actuator and the transmission brake.

Ferner ist ein fußbetätigtes Trockenkupplungssystem bekannt, welches die Funktionen von Kupplung und Getriebebremse vereint. Zum Kuppeln tritt der Fahrer die Kupplung bis zu einem fühlbaren Widerstand durch. Um die Getriebebremse zu betätigen, wird das Kupplungspedal einfach überdrückt (weiter durchgetreten).Further is a foot operated dry clutch system known the functions of clutch and transmission brake united. For coupling, the driver steps the clutch up to one tactile resistance by. To operate the transmission brake, the clutch pedal becomes just overpressed (continue depressed).

Aus der EP 0 552 560 A1 ist ferner eine Bremseinrichtung bekannt, welche über eine gemeinsame Betätigungsein richtung sowohl als Getriebebremse als auch als Hillholder betrieben werden kann; hierbei wird für die Anfahrkupplung eine weitere Betätigungseinrichtung benötigt.From the EP 0 552 560 A1 Furthermore, a braking device is known, which can be operated via a common Betätigungsein direction both as a transmission brake and as Hillholder; In this case, a further actuator is required for the starting clutch.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Anfahrkupplungssystem, insbesondere für ein automatisiertes Getriebe anzugeben, umfassend eine Anfahrkupplung, eine Getriebebremse und eine Hillholder-Funktion, welches einen geringen Bauraumbedarf aufweist.Of the present invention is based on the object, a start-up clutch system, especially for to provide an automated transmission comprising a starting clutch, a transmission brake and a hillholder function, which one has low space requirements.

Diese Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst. Weitere Ausgestaltungen und Vorteile gehen aus den Unteransprüchen hervor.These The object is solved by the features of claim 1. Further Embodiments and advantages will become apparent from the dependent claims.

Demnach wird ein Anfahrkupplungssystem vorgeschlagen, bei dem die Funktionen von Kupplung, Getriebebremse und Hillholder in eine Baueinheit integriert sind; als Anfahrkupplung ist eine nasse Anfahrkupplung vorgesehen. Zudem ist erfindungsgemäß ein Aktuatorsystem vorgesehen, mittels dessen Kupplung, Getriebebremse und Hillholder-Funktion betätigbar sind.Therefore a launch coupling system is proposed in which the functions of clutch, transmission brake and Hillholder integrated into a structural unit are; as a starting clutch, a wet starting clutch is provided. In addition, according to the invention is an actuator system provided by means of which clutch, transmission brake and hillholder function actuated are.

Das erfindungsgemäße Anfahrkupplungssystem ist insbesondere für ein automatisiertes Getriebesystem von Vorteil; üblicherweise werden in automatisierten Getriebesystemen anstelle von Synchronisierungen Klauenschaltelemente eingebaut, bei denen das Angleichen der Differenzdrehzahl in der Regel über eine separate Getriebebremse realisiert wird.The inventive launch clutch system is especially for an automated transmission system of advantage; Usually are in automated Transmission systems instead of synchronizers claw switching elements installed, in which the matching of the differential speed in the Usually over a separate transmission brake is realized.

Gemäß der Erfindung sind Kupplung, Getriebebremse und Hillholder als Baueinheit auf der Getriebeeingangswelle angeordnet und von einem Aktuator betätigbar. Hierbei sind Kupplung, Getriebebremse und Hillholder in der Kupplungs glocke angeordnet, wodurch sich in vorteilhafter Weise ein sehr einfacher kinematischer Aufbau ergibt.According to the invention are clutch, transmission brake and Hillholder as a structural unit arranged the transmission input shaft and actuated by an actuator. Here are clutch, transmission brake and Hillholder in the clutch bell arranged, which is advantageously a very simple kinematic structure results.

Durch den Einbau der nassen Anfahrkupplung wird der Verschleiß erheblich reduziert, sodass keine Wegreserve im Aktuator notwendig ist. Des Weiteren werden die nasse Anfahrkupplung und die Getriebebremse über den Getriebeölkreislauf mit dem Getriebeöl gekühlt; es ist kein separater Ölhaushalt erforderlich, da die Getriebeölmenge ausreichend ist, um auch ohne Ölkühler eine akzeptable Temperaturbeharrung zu ermöglichen.By the installation of the wet start clutch, the wear considerably reduced, so that no Wegreserve in the actuator is necessary. Furthermore Be the wet start clutch and the transmission brake on the Transmission oil circuit with the gear oil cooled; it is not a separate oil budget required because the transmission oil quantity is sufficient, even without oil cooler one to allow acceptable temperature retention.

Durch die Einsparung eines zweiten bzw. für den Hillholder sogar dritten Aktuators werden erhebliche Bauteile- und Kosteneinsparungen realisiert, sodass die Herstellungskosten eines automatisierten Getriebesystems in die Größenordnung der Kosten für ein Handschaltgetriebe rücken.By the saving of a second or for the Hillholder even third Actuators are realized significant component and cost savings, so that the manufacturing cost of an automated transmission system in the order of magnitude the cost of move a manual gearbox.

Dir Erfindung wird im Folgenden anhand der beigefügten Figur, welche eine schematische Schnittansicht einer bevorzugten Ausführungsform eines Anfahrkupplungssystems darstellt, beispielhaft näher erläutert.to you Invention will be described below with reference to the accompanying figure, which is a schematic Sectional view of a preferred embodiment of a launch clutch system represents, explained in more detail by way of example.

Gemäß der Erfindung sind eine nasse Anfahrkupplung 1 und eine Getriebebremse 2 in der Kupplungsglocke 3 angeordnet und über einen Aktuator 4 betätigbar. Durch den Aktuator 4 kann wahlweise die Anfahrkupplung 1 oder die Getriebebremse 2 betätigt werden, wobei dies vorzugsweise mittels eines Exzenterantriebes 5 erfolgt. Zum Aktivieren der Hillholder-Funktion wird erfindungsgemäß bei Stillstand des Fahrzeugs, d.h. bei offener Anfahrkupplung die Getriebebremse betätigt, derart, dass durch die Anpresskräfte bei der Getriebebremse ein Rollen des Fahrzeugs ausgeschlossen wird. Diese Funktion kann gemäß der Erfindung auch in der Getriebesteuerung implementiert werden.According to the invention, a wet starting clutch 1 and a transmission brake 2 in the clutch bell 3 arranged and via an actuator 4 actuated. Through the actuator 4 Optionally, the starting clutch 1 or the transmission brake 2 be actuated, this preferably by means of an eccentric drive 5 he follows. To activate the hillholder function, according to the invention, when the vehicle is at a standstill, ie when the starting clutch is open, the transmission brake is actuated, such that rolling of the vehicle is precluded by the contact forces in the transmission brake. this function can also be implemented in the transmission control according to the invention.

Selbstverständlich fällt auch jede konstruktive Ausbildung, insbesondere jede räumliche Anordnung der Komponenten an sich sowie zueinander und soweit technisch sinnvoll, unter den Schutzumfang der vorliegenden Ansprüche, ohne die Funktion des Anfahrkupplungssystems, wie sie in den Ansprüchen angegeben ist, zu beeinflussen, auch wenn diese Ausbildungen nicht explizit in der Figur oder in der Beschreibung dargestellt sind.Of course, too any constructive training, especially any spatial Arrangement of the components themselves and each other and as far as technically useful, within the scope of the present claims, without the function of the launch clutch system, as indicated in the claims is to influence, even if these training is not explicit are shown in the figure or in the description.

11
Nasse Anfahrkupplungwet clutch
22
Getriebebremsetransmission brake
33
KupplungsglockeKupplungsglocke
44
Aktuatoractuator
55
Exzenterantriebeccentric

Claims (4)

Anfahrkupplungssystem, umfassend eine nasse Anfahrkupplung (1) und eine Getriebebremse (2), dadurch gekennzeichnet, dass die nasse Anfahrkupplung (1) und die Getriebebremse (2) in der Kupplungsglocke (3) angeordnet und über einen Aktuator (4) betätigbar sind, wobei eine Hillholder-Funktion vorgesehen ist, die durch Betätigen der Getriebebremse (2) im Stillstand des Fahrzeugs bei geöffneter Kupplung (1) aktivierbar ist.Starting clutch system comprising a wet starting clutch ( 1 ) and a transmission brake ( 2 ), characterized in that the wet starting clutch ( 1 ) and the transmission brake ( 2 ) in the clutch bell ( 3 ) and via an actuator ( 4 ) are actuated, wherein a hillholder function is provided by operating the transmission brake ( 2 ) when the vehicle is at a standstill with the clutch ( 1 ) is activated. Anfahrkupplungssystem nach Anspruch 1, dadurch gekennzeichnet, dass die nasse Anfahrkupplung (1) und die Getriebebremse (2) über den Getriebeölkreislauf mit dem Getriebeöl gekühlt werden.Starting clutch system according to claim 1, characterized in that the wet starting clutch ( 1 ) and the transmission brake ( 2 ) are cooled via the transmission oil circuit with the transmission oil. Anfahrkupplungssystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Aktuator (4) einen Exzenterantrieb (5) umfasst, mittels dessen die Getriebebremse (2) oder die Kupplung (1) aktivierbar ist.Clutch coupling system according to claim 1 or 2, characterized in that the actuator ( 4 ) an eccentric drive ( 5 ), by means of which the transmission brake ( 2 ) or the coupling ( 1 ) is activated. Anfahrkupplungssystem nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass die Getriebebremse (2) und die Kupplung (1) auf der Getriebeeingangswelle angeordnet sind.Clutch coupling system according to claim 1, 2 or 3, characterized in that the transmission brake ( 2 ) and the coupling ( 1 ) are arranged on the transmission input shaft.
DE200410002045 2004-01-15 2004-01-15 Vehicle clutch with transmission braking and hill holder function integrated into one compact layout using a wet plate clutch and with a common actuator Withdrawn DE102004002045A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200410002045 DE102004002045A1 (en) 2004-01-15 2004-01-15 Vehicle clutch with transmission braking and hill holder function integrated into one compact layout using a wet plate clutch and with a common actuator

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Application Number Priority Date Filing Date Title
DE200410002045 DE102004002045A1 (en) 2004-01-15 2004-01-15 Vehicle clutch with transmission braking and hill holder function integrated into one compact layout using a wet plate clutch and with a common actuator

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DE102004002045A1 true DE102004002045A1 (en) 2005-08-04

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006126073A1 (en) * 2005-05-24 2006-11-30 Eaton Corporation Electric clutch actuator shifted inertia brake
DE102008000637A1 (en) 2008-03-13 2009-09-17 Zf Friedrichshafen Ag Actuating arrangement of a centrally synchronized dual-clutch transmission
WO2009030401A3 (en) * 2007-08-31 2010-03-18 Daimler Ag Drive train
CN111556939A (en) * 2017-12-21 2020-08-18 沃尔沃卡车集团 Auxiliary transmission brake device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2049557A1 (en) * 1970-10-09 1972-04-13 Fichtel & Sachs Ag, 8720 Schweinfurt Clutch brake for pulled clutches
DE2604946A1 (en) * 1975-02-11 1976-08-19 Ferodo Sa CONTROL DEVICE FOR IMPACT BRAKES ON THE INPUT SHAFT OF TRANSMISSION
US4142619A (en) * 1976-09-13 1979-03-06 Borg-Warner Corporation Dump valve for wet clutch
DE3642874C2 (en) * 1986-12-16 1989-04-20 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De
EP0552560A1 (en) * 1992-01-24 1993-07-28 Eaton Corporation Motor vehicle inertia and hill holding braking mechanism
DE19733465A1 (en) * 1996-08-20 1998-02-26 Volkswagen Ag Automatic clutch control arrangement for motor vehicle
DE19949203A1 (en) * 1998-10-14 2000-04-20 Luk Getriebe Systeme Gmbh Electronically controlled clutch device used to control/regulate clutch actuation and/or gearbox has automated change mechanism
EP1065407A1 (en) * 1999-07-02 2001-01-03 MAGNETI MARELLI S.p.A. A transmission unit for a vehicle
DE19848448C2 (en) * 1998-10-21 2001-12-13 Daimler Chrysler Ag Brake pressure control device of a brake system of a road vehicle
DE19826068C2 (en) * 1998-06-12 2002-11-07 Zahnradfabrik Friedrichshafen Actuating device for a transmission of a motor vehicle

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2049557A1 (en) * 1970-10-09 1972-04-13 Fichtel & Sachs Ag, 8720 Schweinfurt Clutch brake for pulled clutches
DE2604946A1 (en) * 1975-02-11 1976-08-19 Ferodo Sa CONTROL DEVICE FOR IMPACT BRAKES ON THE INPUT SHAFT OF TRANSMISSION
US4142619A (en) * 1976-09-13 1979-03-06 Borg-Warner Corporation Dump valve for wet clutch
DE3642874C2 (en) * 1986-12-16 1989-04-20 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De
EP0552560A1 (en) * 1992-01-24 1993-07-28 Eaton Corporation Motor vehicle inertia and hill holding braking mechanism
DE19733465A1 (en) * 1996-08-20 1998-02-26 Volkswagen Ag Automatic clutch control arrangement for motor vehicle
DE19826068C2 (en) * 1998-06-12 2002-11-07 Zahnradfabrik Friedrichshafen Actuating device for a transmission of a motor vehicle
DE19949203A1 (en) * 1998-10-14 2000-04-20 Luk Getriebe Systeme Gmbh Electronically controlled clutch device used to control/regulate clutch actuation and/or gearbox has automated change mechanism
DE19848448C2 (en) * 1998-10-21 2001-12-13 Daimler Chrysler Ag Brake pressure control device of a brake system of a road vehicle
EP1065407A1 (en) * 1999-07-02 2001-01-03 MAGNETI MARELLI S.p.A. A transmission unit for a vehicle

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006126073A1 (en) * 2005-05-24 2006-11-30 Eaton Corporation Electric clutch actuator shifted inertia brake
WO2009030401A3 (en) * 2007-08-31 2010-03-18 Daimler Ag Drive train
DE102008000637A1 (en) 2008-03-13 2009-09-17 Zf Friedrichshafen Ag Actuating arrangement of a centrally synchronized dual-clutch transmission
CN101939564B (en) * 2008-03-13 2013-06-05 腓特烈斯港齿轮工厂股份公司 Actuating assembly for a centrally synchronised dual-clutch transmission
US8733195B2 (en) 2008-03-13 2014-05-27 Zf Friedrichshafen Ag Actuating assembly for a centrally syncronised dual-clutch transmission
CN111556939A (en) * 2017-12-21 2020-08-18 沃尔沃卡车集团 Auxiliary transmission brake device
CN111556939B (en) * 2017-12-21 2021-08-17 沃尔沃卡车集团 Auxiliary transmission brake device
US11421776B2 (en) 2017-12-21 2022-08-23 Volvo Truck Corporation Auxiliary transmission brake arrangement

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