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WO2018154577A1 - Soupape étanche encapsulée dotée d'un actionneur à aimant permanent - Google Patents

Soupape étanche encapsulée dotée d'un actionneur à aimant permanent Download PDF

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Publication number
WO2018154577A1
WO2018154577A1 PCT/IL2018/050206 IL2018050206W WO2018154577A1 WO 2018154577 A1 WO2018154577 A1 WO 2018154577A1 IL 2018050206 W IL2018050206 W IL 2018050206W WO 2018154577 A1 WO2018154577 A1 WO 2018154577A1
Authority
WO
WIPO (PCT)
Prior art keywords
control member
valve body
rotatable control
fluid flow
rotatable
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.)
Ceased
Application number
PCT/IL2018/050206
Other languages
English (en)
Inventor
Tuvia Liberman
Roman PAVLENKO
Shaya MAYZELS
Boris Margol
Felix Shestatski
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.)
Ham Let Israel Canada Ltd
Original Assignee
Ham Let Israel Canada Ltd
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 Ham Let Israel Canada Ltd filed Critical Ham Let Israel Canada Ltd
Publication of WO2018154577A1 publication Critical patent/WO2018154577A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0647—Spindles or actuating means
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
    • F16K31/086—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet the magnet being movable and actuating a second magnet connected to the closing element
    • F16K31/088—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet the magnet being movable and actuating a second magnet connected to the closing element the movement of the first magnet being a rotating or pivoting movement

Definitions

  • a leak-proof magnetically actuated valve comprising: a valve body having a passage conducting a fluid flow to be controlled and a rotatable control member for manipulating said magnetically actuated valve.
  • the valve body is encapsulated in a sealed undismountable manner.
  • the rotatable control member is releasably connectable to said valve body such that said driving and driven magnet arrangements are brought into magnet interaction; said first and second positions of said rotatable control member correspond to blocking and releasing said fluid flow.
  • the present invention relates to magnetically actuated packless valves and more specifically to sealed undismountable magnetically actuated valves.
  • US 4284262 to Ruyak discloses a packless magnetically actuated stopper valve.
  • a driven magnet assembly is rotatably mounted inside a nonmagnetic bonnet.
  • a drive magnetic holder surrounds the bonnet and rotates thereon.
  • the driven magnet assembly turns a stopper positioned in the main valve body between inlet and outlet passages. Floating valve seats associated with each passage sealably engage the stopper (Abstract).
  • Ruyak discloses a magnetically actuated stopper valve which is based on interaction between permanent magnets carried by control shaft and cylindrical holder.
  • the stopper valve of Ruyak includes thread connections despite the fact that experience has proven that all threaded connections are potentially leakable.
  • a magnetically actuated valve comprising: (a) a valve body having a passage conducting a fluid flow to be controlled; the valve body accommodating there within: (i) a blocking arranged to block and to release the fluid flow; (ii) a control stem coupled to the rotatable member; (iii) a driven magnet arrangement mechanically connected to the control stem; (b) a rotatable control member for manipulating the magnetically actuated valve; the rotatable control member having first and second positions; the rotatable control member having a driving magnet arrangement mechanically connected thereto.
  • the rotatable control member is releasably connectable to the valve body such that the driving and driven magnet arrangements are brought into magnet interaction.
  • the first and second positions of the rotatable control member correspond to blocking and releasing the fluid flow.
  • Another object of the invention is to disclose the driving and driven magnet arrangements having a conformal cylindrical shape.
  • a further object of the invention is to disclose the valve body having a cylindrical portion accommodating the driven magnet arrangement; the rotatable control member has a cavity configured for receiving said cylindrical portion.
  • a further object of the invention is to disclose a surface of the cylindrical portion having a circumferentially arranged notch; the cavity has a projection therewithin.
  • the notch and projection are cooperatively operable such that rotation of the rotatable control member relative to valve body is retained between first and second positions.
  • a further object of the invention is to disclose the rotatable control member driven manually or in a motorized manner.
  • a further object of the invention is to disclose the control member and blocking member angularly and linearly displaceable in a conformal manner.
  • a further object of the invention is to disclose a method of controlling a fluid flow.
  • the aforesaid method comprises the step of: (a) providing magnetically actuated valve comprising: (i) a valve body having a passage conducting a fluid flow to be controlled; the valve body accommodating therewithin: (1) a blocking member arranged to block and to release the fluid flow; (2) a control stem coupled to the rotatable member; (3) a driven magnet arrangement mechanically connected to the control stem; (ii) a rotatable control member for manipulating the magnetically actuated valve; the rotatable control member having first and second positions; the rotatable control member having a driving magnet arrangement mechanically connected thereto; the valve body is encapsulated in a sealed undismountable manner; the rotatable control member is releasably connectable to the valve body such that the driving and driven magnet arrangements are brought into magnet interaction; the first and second positions of the rotatable control member correspond to blocking and releasing the fluid flow; (b) providing the
  • a further object of the invention is to disclose the step of manipulating the rotatable control member comprising rotating thereof between the first and second positions retained by a circumferential notch on a surface of the cylindrical portion and projection within the cavity cooperatively arranged therebetween.
  • Fig. 1 a is an external view of a valve body
  • Fig. lb is an external exploded view of a magnetically actuated valve
  • Fig. lc is an external view of an assembled magnetically actuated valve
  • Fig. 2a is a view of a driven magnet arrangement
  • Fig. 2b is a cross-sectional view of a valve body
  • Fig. 2c is a cross-sectional exploded view of a magnetically actuated valve
  • Fig. 3 a illustrates a circumferential notch on a surface of a valve body
  • Fig. 3b illustrates a projection within a cavity of a control member.
  • Fig. 4 illustrates a cross sectional view of a valve embodiment.
  • rotatable member hereinafter refers to any rotatable closure member such as a ball member, a plug member, a needle or alike.
  • valve hereafter refers to a ball valve, a needle valve, a gate valve, a globe valve, a butterfly valve, a knife valve, a plug valve, a pinch valve, a diaphragm valve, a monoblock valve, a metering valve or a structurally alike article.
  • valve body 100 has inlet and outlet ports 110 and 120 and cylindrical portion 130.
  • Control member 200 is provided with a lever 220 and barrel member 210 having a cavity therewithin (not shown) configured for receiving cylindrical portion 130. As shown in Fig. lc, in operation position, control member 200 is put on cylindrical portion 130. It should be emphasized that the rotatable control member 200 can be easily mounted onto the valve body 100 and dismounted from it.
  • Figs 2a to 2c presenting an interior arrangement of the magnetically actuated valve.
  • Numerals 240 and 140 refer to driving and driven magnet arrangements. Opposite poles of permanent magnets in driving and driven magnet arrangements 240 and 140 face each other (Fig. lc) in the operation position. They form magnet interaction such that rotation of control member 200 including driving magnet arrangement 240 causes corresponding rotation of driven magnet arrangement 140.
  • cylindrical portion 130 of valve body 100 and barrel 210 of control member 200 are made of a non-magnetic material.
  • FIGs 3 a and 3b presenting valve body 100 and barrel 210 cooperatively operating as a retaining arrangement.
  • Valve body 100 is provided with a circumferentially arranged notch 105, while barrel 210 has a projection 230.
  • control member 200 is put on cylindrical portion 130 of valve body 100, rotation of control member 200 is retained by displacement of projection 230 within notch 105.
  • Terminals of notch 105 correspond to first and second (open and closed) positions of barrel 210.
  • Fig. 4 presenting a cross sectional view of alternative embodiment 300 of a leak-proof magnetically actuated valve.
  • stem 171 is linearly displaceable by means of magnetic interaction between driving magnets 140 secured within cylindrical member 130 and driven magnets 140 secured within cylindrical member 330.
  • the valve body includes main body 103 having inlet and outlet ports 110 and 120, respectively, and cap 105 interconnectable by weld 107.
  • Stem 171 is linearly displaceable within stem guide 173 provided with slip bearing 175.
  • Cylindrical member 230 is connected to stem 170 by means of bolt 179 with washer 177.
  • Manually rotatable handle 220 is mechanically connected to member 130 carrying driving magnets 140 by bolt 250 provided with locking ferrule 253 and nut 251. Actuating the valve of the present embodiment by any type of an actuator (electric, pneumatic, mechanic, magnetic) is also in the scope of the invention.
  • Cover 225 tops bolt 250 and nut 251. When bolt 250 is reciprocatively screwed in and out into cap 105, driving magnets 140 force driven magnets 240 in the same direction. As a result, stem 171connected to driven magnets 240 moves accordingly.
  • a fluid flow via inlet and outlet ports 110 and 120 is controllable by linearly positionable stem 171 within a fully encapsulated valve.
  • a leak-proof magnetically actuated valve comprises: (a) a valve body having a passage conducting a fluid flow to be controlled; the valve body accommodating therewithin: (i) a blocking arranged to block and to release the fluid flow; (ii) a control stem coupled to the rotatable member; (iii) a driven magnet arrangement mechanically connected to the control stem; (b) a rotatable control member for manipulating the magnetically actuated valve; the rotatable control member having first and second positions; the rotatable control member having a driving magnet arrangement mechanically connected thereto. It is a core feature of the invention to provide the valve body encapsulated in a sealed undismountable manner.
  • the rotatable control member is releasably connectable to the valve body such that the driving and driven magnet arrangements are brought into magnet interaction.
  • the first and second positions of the rotatable control member correspond to blocking and releasing the fluid flow.
  • the driving and driven magnet arrangements have a conformal cylindrical shape.
  • the valve body has a cylindrical portion accommodating the driven magnet arrangement; the rotatable control member has a cavity configured for receiving said cylindrical portion.
  • a surface of the cylindrical portion having a circumferentially arranged notch; the cavity has a projection therewithin.
  • the notch and projection are cooperatively operable such that rotation of the rotatable control member relative to valve body is retained between first and second positions.
  • the rotatable control member is driven manually or in a motorized manner.
  • control member and blocking member are angularly and linearly displaceable in a conformal manner.
  • a method of controlling a fluid flow comprises the step of: (a) providing magnetically actuated valve comprising: (i) a valve body having a passage conducting a fluid flow to be controlled; the valve body accommodating therewithin: (1) a blocking member arranged to block and to release the fluid flow; (2) a control stem coupled to the rotatable member; (3) a driven magnet arrangement mechanically connected to the control stem; (ii) a rotatable control member for manipulating the magnetically actuated valve; the rotatable control member having first and second positions; the rotatable control member having a driving magnet arrangement mechanically connected thereto; the valve body is encapsulated in a sealed undismountable manner; the rotatable control member is releasably connectable to the valve body such that the driving and driven magnet arrangements are brought into magnet interaction; the first and second positions of the rotatable control member correspond to blocking and releasing the fluid flow; (b) providing magnetically actuated valve comprising: (i) a valve body having a passage conducting
  • the step of the connecting the rotatable control member to the valve body comprises receiving a cylindrical portion of valve body accommodating the driven magnet arrangement by a cavity of the rotatable control member.
  • the step of manipulating the rotatable control member comprises rotating thereof between the first and second positions retained by a circumferential notch on a surface of the cylindrical portion and projection within the cavity cooperatively arranged therebetween.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

L'invention concerne une soupape à actionnement magnétique étanche comprenant : un corps de soupape ayant un passage conduisant un écoulement de fluide à commander et un élément de commande rotatif destiné à manipuler ladite soupape à actionnement magnétique. Le corps de soupape est encapsulé de manière étanche et non démontable. L'élément de commande rotatif peut être relié de manière amovible audit corps de soupape de telle sorte que lesdits agencements d'entraînement et d'aimant entraînés sont amenés en interaction magnétique ; lesdites première et seconde positions dudit élément de commande rotatif correspondent à un blocage et à la libération dudit écoulement de fluide.
PCT/IL2018/050206 2017-02-22 2018-02-22 Soupape étanche encapsulée dotée d'un actionneur à aimant permanent Ceased WO2018154577A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762461822P 2017-02-22 2017-02-22
US62/461,822 2017-02-22

Publications (1)

Publication Number Publication Date
WO2018154577A1 true WO2018154577A1 (fr) 2018-08-30

Family

ID=63254148

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2018/050206 Ceased WO2018154577A1 (fr) 2017-02-22 2018-02-22 Soupape étanche encapsulée dotée d'un actionneur à aimant permanent

Country Status (1)

Country Link
WO (1) WO2018154577A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183205A2 (fr) * 1984-11-28 1986-06-04 Eidsmore, Paul George Soupape de réglage du débit
US20160084400A1 (en) * 2008-06-19 2016-03-24 Applied Materials, Inc. Method and system for supplying a cleaning gas into a process chamber

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183205A2 (fr) * 1984-11-28 1986-06-04 Eidsmore, Paul George Soupape de réglage du débit
US20160084400A1 (en) * 2008-06-19 2016-03-24 Applied Materials, Inc. Method and system for supplying a cleaning gas into a process chamber

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