WO1999025595A1 - Electrovanne - Google Patents

Electrovanne Download PDF

Info

Publication number
WO1999025595A1
WO1999025595A1 PCT/EP1998/007288 EP9807288W WO9925595A1 WO 1999025595 A1 WO1999025595 A1 WO 1999025595A1 EP 9807288 W EP9807288 W EP 9807288W WO 9925595 A1 WO9925595 A1 WO 9925595A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
section
magnet armature
valve
ring
Prior art date
Application number
PCT/EP1998/007288
Other languages
German (de)
English (en)
Inventor
Paul Linhoff
Original Assignee
Continental Teves Ag & Co. Ohg
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 Continental Teves Ag & Co. Ohg filed Critical Continental Teves Ag & Co. Ohg
Publication of WO1999025595A1 publication Critical patent/WO1999025595A1/fr

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
    • 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
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/363—Electromagnetic valves specially adapted for anti-lock brake and traction control systems in hydraulic systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/3655—Continuously controlled electromagnetic valves
    • B60T8/366—Valve details
    • B60T8/367—Seat valves, e.g. poppet valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0405—Valve members; Fluid interconnections therefor for seat valves, i.e. poppet valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-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
    • 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
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • F16K31/0665—Lift valves with valve member being at least partially ball-shaped
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions

Definitions

  • the invention relates to an electromagnetic valve according to the preamble of patent claim 1.
  • Fig. 2 is an electromagnetically not energized in the basic position, switched to pressure medium passage solenoid valve
  • FIG. 3 shows the electromagnetic valve known from FIG. 1 with a locally changed arrangement of the demagnetized ring section for the purpose of proportionalizing the electromagnet
  • FIG. 4 shows the electromagnetic valve known from FIG. 2 with a locally changed arrangement of the demagnetized ring section for the purpose of proportioning the electromagnet analogously to FIG. 3.
  • FIG. 1 shows, in a considerably enlarged representation, the structural details of an electrically tromagnetically not excited, closed solenoid valve.
  • the valve housing 1 is designed, for example, in a cartridge construction and is held in a stepped bore of a valve block by means of a self-inserting fastening.
  • a magnet armature 4 which is provided with a push-button-shaped valve closing element 8, which bears against the valve seat 9.
  • a magnetic core 5 closes the interior of the valve housing 1.
  • the sleeve section 3 is a homogeneous component of the stepped valve housing 1.
  • the yoke ring 2 consequently surrounds the valve coil 6, the yoke ring 2 making contact with the outer surface of the magnetic core 5 at least in accordance with the dimension of its wall thickness.
  • the valve housing 1, the yoke ring 2, the magnetic core 5, the magnet armature 4 and also the sleeve section 3 are made of a material that conducts the magnetic flux.
  • the ring part 10 connecting the yoke ring 2 to the valve housing 1 must consist of a material that conducts the magnetic flux.
  • the highest possible contact resistance must be created according to the invention, which according to the invention interrupts the magnetic property of the sleeve section 3 at a defined point as low - or better still as a non-magnetic ring section 11 .
  • the non-magnetic ring section 11 is structurally only a fraction of the magnetic sleeve section 3. The non-magnetic ring section 11 is therefore expediently provided at the level of the magnet armature air gap A.
  • the relevant area of the sleeve section 3 is heat-treated, which can be done, for example, by means of laser welding, which is customary for valve production.
  • Suitable materials for the sleeve section 3 are steels with a predominant ferrite content in the magnetization area, while the sleeve section 3 has a predominantly austenitic material structure in the area of the magnetic flux weakening or in the ring section 11 which is as free of magnetization as possible.
  • Such locally desired material structure of the steel can be changed locally based on the selected magnetic flux-conducting steel grade in valve manufacture by means of a fusion welding process, the magnetization of the sleeve section 3 being reduced to the desired level by using appropriate welding filler materials or can be eliminated.
  • Another application of the concept of the invention relates to the production of a proportional magnet, for which purpose the smallest possible magnetized ring section 11 is to be arranged at the level of the magnet armature end area facing the magnet armature air gap A.
  • FIG. 2 shows in many individual features a structure comparable to that of FIG. 1. As can already be seen from FIG. 1, the electromagnetically unexcited electromagnet valve in the basic position, which is switched to a hydraulic D-passage, according to FIG.
  • valve housing 1 receives the valve seat 9 caulked therein, to which a valve closing element 8 designed as a tappet is assigned.
  • the valve seat 9 has a bypass bore 12 which is closed by a plate valve 13 depending on the differential pressure.
  • the plate valve 13 is arranged between the valve seat 9 and a plate filter on the valve housing 1.
  • the magnet armature 4 attached to the valve closing member 8 extends within a sleeve section 3 and is pressed against the dome of the sleeve section 3 by means of a compression spring.
  • the sleeve section 3 is preferably designed as a deep-drawn part and, at the open end facing away from the valve dome, is attached to a hollow cylindrical extension of the valve housing 1 by means of laser welding in a pressure-tight manner.
  • the extension takes over the function of the magnetic core 5.
  • the plate 7, the yoke ring 2, the sleeve section 3, the magnetic core 5 and the valve housing 1 are made of a material that conducts the magnetic flux, the sleeve section 3 analogously to the object according to FIG.
  • the magnetic flux generated with electromagnetic excitation of the valve coil 6 passes via the yoke ring 2, the magnetically conductive sleeve section 3 to the magnet armature 4 in the sleeve section 3, so that after bridging the magnet armature air gap A via the end face of the magnet armature 4, the magnetic flux onto the magnet core 5 and thus reaches the valve housing 1 and the plate 7, the magnetic circuit to the yoke ring 2 being closed via the contact surfaces between the plate 7 and the valve housing 1. 2, the valve closing element 8 is consequently in a locked position on the valve seat 9 in the case of electromagnetic excitation.
  • the magnetically only slightly or non-conductive ring section 11 prevents an undesirable field line course of the magnetic circuit by bypassing the magnet armature air gap A between the magnet core 5 and magnet armature 4 in the sense of a so-called magnetic short circuit. Furthermore, due to the magnetic sleeve section 3, the large magnetic resistance between the yoke ring 2 and the magnet armature 4 is omitted, which was already pointed out in the embodiment according to FIG. 1.
  • the exemplary embodiments according to FIGS. 3 and 4 show the ring section 11 according to the invention in a position changed in the direction of the magnet armature 4 in order to proportionate the field line course of the electromagnet, which means that the magnetic flux lines are deflected in this way are that there is a proportional relationship between the magnet tank air gap and the magnetic force for each selected electric current of the valve coil 6.
  • This allows an analog function of the solenoid valve to be created.
  • the arrangement of the electromagnetic valves according to FIGS. 3 and 4 is now identical to the embodiments according to FIGS. 1 and 2, so that the details already described are no longer discussed got to.
  • FIGS. 1 and 2 With regard to the effect and manufacture of the ring section 11 shown in FIGS. 3 and 4, reference can also be made to the explanations in FIGS. 1 and 2.
  • the invention is based on the use of a magnetic sleeve section 3 which, in the area of the magnet armature air gap A, for example, a laser welding seam or another intensive heat source, for example by melting the sleeve section 3 and introducing a low-magnet or magnet-free filler material along a ring section 11 of the sleeve section 3, does not allow a magnetic field build-up. This can be done, for example, using a predominantly austenitic filler material in the melt.
  • the invention is therefore not tied to the other structural details of the electromagnetic valve. Thus also applicable to electromagnetic valves without plate 7 or ring part 10. Also regardless of whether it is a pre-assembled cartridge valve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

L'invention concerne une électrovanne munie d'une cage de soupape (1) qui comporte un siège de soupape (9) et un élément de fermeture de soupape (8) monté sur une armature d'aimant (4). L'électrovanne comprend également une bobine de soupape (6) qui est associée à la cage de soupape (1) et est délimitée par un anneau de culasse (2) et une section tubulaire (3) magnétique sur laquelle s'appuie l'armature d'aimant (4). La section tubulaire (3) présente une section annulaire (11) légèrement magnétique ou non magnétique, sensiblement plus petite que la partie magnétique de la section tubulaire (3).
PCT/EP1998/007288 1997-11-19 1998-11-13 Electrovanne WO1999025595A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19751240.2 1997-11-19
DE1997151240 DE19751240A1 (de) 1997-11-19 1997-11-19 Elektromagnetventil

Publications (1)

Publication Number Publication Date
WO1999025595A1 true WO1999025595A1 (fr) 1999-05-27

Family

ID=7849195

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1998/007288 WO1999025595A1 (fr) 1997-11-19 1998-11-13 Electrovanne

Country Status (2)

Country Link
DE (1) DE19751240A1 (fr)
WO (1) WO1999025595A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005066003A1 (fr) * 2004-01-10 2005-07-21 Robert Bosch Gmbh Soupape commandant des fluides avec possibilite de compensation de pression integree et/ou mesures empechant l'induit d'adherer
WO2011104116A1 (fr) * 2010-02-23 2011-09-01 Robert Bosch Gmbh Électrovanne à volume de détente pour la régulation d'un fluide
CN103090021A (zh) * 2013-02-25 2013-05-08 武汉元丰汽车电控系统有限公司 一种汽车制动系统用线性电磁常闭阀
CN103375453A (zh) * 2013-07-11 2013-10-30 中国航天科技集团公司第六研究院第十一研究所 一种轻质快响应电磁阀

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19933329C1 (de) * 1999-07-16 2000-06-21 Dungs Karl Gmbh & Co Magnetische Stellvorrichtung für ein Magnetventil
DE19934697B4 (de) * 1999-07-23 2008-04-24 Zf Friedrichshafen Ag Proportionalventil
WO2002042632A2 (fr) * 2000-11-23 2002-05-30 Robert Bosch Gmbh Electrovanne destinee a la commande d'une soupape d'injection d'un moteur a combustion interne
DE10320592A1 (de) * 2003-05-08 2004-11-25 Robert Bosch Gmbh Förderpumpe, insbesondere Hochdruck-Kraftstoffpumpe für eine Brennkraftmaschine
DE102007031981B4 (de) 2007-07-10 2023-01-12 Robert Bosch Gmbh Magnetventil
DE102009055172A1 (de) * 2009-12-22 2011-06-30 Robert Bosch GmbH, 70469 Magnetventil sowie Farerassistenzeinrichtung

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004343A (en) * 1974-04-18 1977-01-25 Expert Industrial Controls Limited Method of making core tubes for solenoids
DE2559323A1 (de) * 1975-12-31 1977-07-07 Dungs Karl Fa Magnetventil
DE3502287A1 (de) * 1985-01-24 1986-07-24 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur herstellung eines rotationssymmetrischen gehaeuses, insbesondere eines ventilgehaeuses
DE8522724U1 (de) * 1985-08-07 1989-02-16 Flutec Fluidtechnische Geräte GmbH, 6603 Sulzbach Magnetventil
DE4003606A1 (de) * 1990-02-07 1990-12-20 Bosch Gmbh Robert Elektromagnetisch betaetigtes ventil, insbesondere hydraulisches hochdruckventil fuer fahrzeug-bremsanlag en
EP0412860A1 (fr) * 1989-08-07 1991-02-13 Bendix Espana S.A. Soupape électromagnétique
DE4030571A1 (de) 1990-09-27 1992-04-02 Teves Gmbh Alfred Elektromagnetventil, insbesondere fuer hydraulische bremsanlagen mit schlupfregelung
DE4031885A1 (de) * 1990-10-08 1992-04-09 Lucas Ind Plc Magnetventil
WO1993008055A1 (fr) * 1991-10-18 1993-04-29 Itt Automotive Europe Gmbh Systeme de freinage hydraulique antiblocage
DE4237405A1 (fr) * 1991-12-17 1993-06-24 Mitsubishi Electric Corp
DE4141546A1 (de) 1991-12-17 1993-06-24 Teves Metallwaren Alfred Elektromagnetventil, insbesondere fuer hydraulische bremsanlagen mit schlupfregelung
EP0552416A1 (fr) * 1992-01-18 1993-07-28 Binder Magnete GmbH Electro-aimant de commande à courant continu
DE19600790A1 (de) 1996-01-11 1997-07-17 Teves Gmbh Alfred Elektromagnetventil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583509A (en) * 1985-01-07 1986-04-22 Ford Motor Company Diesel fuel injection system
DE3802648A1 (de) * 1988-01-29 1989-08-10 Mainz Gmbh Feinmech Werke Elektromagnetisch betaetigtes, hydraulisches schnellschaltventil
DE19503736A1 (de) * 1995-02-04 1996-08-08 Pierburg Gmbh Elektromagnetsteller für Belüftungsventile
DE19523716C2 (de) * 1995-06-22 2000-12-14 Mannesmann Ag Wegeventil mit einem Ventilschieber
DE19525384C2 (de) * 1995-07-12 2003-07-10 Dungs Karl Gmbh & Co Doppel-Sicherheitsmagnetventil
US5626325A (en) * 1995-09-14 1997-05-06 Cummins Engine Company, Inc. High pressure control valve for a fuel injection system
DE19639117A1 (de) * 1996-09-24 1998-03-26 Bosch Gmbh Robert Brennstoffeinspritzventil

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004343A (en) * 1974-04-18 1977-01-25 Expert Industrial Controls Limited Method of making core tubes for solenoids
DE2559323A1 (de) * 1975-12-31 1977-07-07 Dungs Karl Fa Magnetventil
DE3502287A1 (de) * 1985-01-24 1986-07-24 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur herstellung eines rotationssymmetrischen gehaeuses, insbesondere eines ventilgehaeuses
DE8522724U1 (de) * 1985-08-07 1989-02-16 Flutec Fluidtechnische Geräte GmbH, 6603 Sulzbach Magnetventil
EP0412860A1 (fr) * 1989-08-07 1991-02-13 Bendix Espana S.A. Soupape électromagnétique
DE4003606A1 (de) * 1990-02-07 1990-12-20 Bosch Gmbh Robert Elektromagnetisch betaetigtes ventil, insbesondere hydraulisches hochdruckventil fuer fahrzeug-bremsanlag en
DE4030571A1 (de) 1990-09-27 1992-04-02 Teves Gmbh Alfred Elektromagnetventil, insbesondere fuer hydraulische bremsanlagen mit schlupfregelung
DE4031885A1 (de) * 1990-10-08 1992-04-09 Lucas Ind Plc Magnetventil
WO1993008055A1 (fr) * 1991-10-18 1993-04-29 Itt Automotive Europe Gmbh Systeme de freinage hydraulique antiblocage
DE4237405A1 (fr) * 1991-12-17 1993-06-24 Mitsubishi Electric Corp
DE4141546A1 (de) 1991-12-17 1993-06-24 Teves Metallwaren Alfred Elektromagnetventil, insbesondere fuer hydraulische bremsanlagen mit schlupfregelung
EP0552416A1 (fr) * 1992-01-18 1993-07-28 Binder Magnete GmbH Electro-aimant de commande à courant continu
DE19600790A1 (de) 1996-01-11 1997-07-17 Teves Gmbh Alfred Elektromagnetventil

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005066003A1 (fr) * 2004-01-10 2005-07-21 Robert Bosch Gmbh Soupape commandant des fluides avec possibilite de compensation de pression integree et/ou mesures empechant l'induit d'adherer
WO2011104116A1 (fr) * 2010-02-23 2011-09-01 Robert Bosch Gmbh Électrovanne à volume de détente pour la régulation d'un fluide
CN103090021A (zh) * 2013-02-25 2013-05-08 武汉元丰汽车电控系统有限公司 一种汽车制动系统用线性电磁常闭阀
CN103375453A (zh) * 2013-07-11 2013-10-30 中国航天科技集团公司第六研究院第十一研究所 一种轻质快响应电磁阀
CN103375453B (zh) * 2013-07-11 2016-03-02 中国航天科技集团公司第六研究院第十一研究所 一种轻质快响应电磁阀

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Publication number Publication date
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