WO2015124484A1 - Soupape électromagnétique destinée en particulier à des systèmes de freinage de véhicules automobile à antipatinage - Google Patents

Soupape électromagnétique destinée en particulier à des systèmes de freinage de véhicules automobile à antipatinage Download PDF

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Publication number
WO2015124484A1
WO2015124484A1 PCT/EP2015/052914 EP2015052914W WO2015124484A1 WO 2015124484 A1 WO2015124484 A1 WO 2015124484A1 EP 2015052914 W EP2015052914 W EP 2015052914W WO 2015124484 A1 WO2015124484 A1 WO 2015124484A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
seat body
housing
valve housing
valve seat
Prior art date
Application number
PCT/EP2015/052914
Other languages
German (de)
English (en)
Inventor
Christoph Voss
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 WO2015124484A1 publication Critical patent/WO2015124484A1/fr

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Classifications

    • 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
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/029—Electromagnetically actuated valves
    • 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
    • F16K31/0658—Armature and valve member being one single element

Definitions

  • Solenoid valve especially for slip-controlled
  • the invention relates to a solenoid valve, in particular for slip-controlled motor vehicle brake systems, according to the preamble of patent claim 1.
  • valve ⁇ seat body Since the valve ⁇ seat body is exposed to temperature fluctuations not only mechanical but also hydraulic forces, care must be taken with appropriate effort to a suitable choice of material and a precise interference fit to exclude an involuntary displacement of the valve seat body in Ventilge ⁇ housing.
  • Figure 3 shows a third embodiment of the invention with reference to a longitudinal section through a solenoid valve, in the valve seat body, a filter element is pressed.
  • the solenoid valves depicted in FIGS. 1 to 3 are preferably used for slip-controlled motor vehicle brake systems.
  • the solenoid valves shown consist of known functional elements. These include in each case one arranged in a valve housing 14 valve passage 13 which can be closed by means of a magnet armature 2 arranged on a valve stem 4 under the action of a restoring spring 8 or by means of a non-illustrated magnetic coil.
  • the magnet armature 2 is partially guided along its lateral surface over a defi ⁇ ned working stroke axially movable in the valve housing 14, wherein the return spring 8 with its from the magnet armature. 3 facing away from the end of the valve housing 14 ver ⁇ closing magnetic core 5 is supported.
  • the magnetic core 5 is in each case designed as a magnetizable sealing plug in an austenitic
  • Housing sleeve 15 is pressed, which is welded as part of the valve ⁇ housing 14 with a thick-walled, rigid tubular body 16, which ensures a secure attachment in a Ven ⁇ tilfactbohrung a valve body.
  • All models solenoid valves are closed in the electrochemical ⁇ magnetically non-energized position, to which in each case which is arranged above the armature 2 is rear ⁇ spring 8 is supported directly on the valve plunger 4 which is housed partly within a coaxial bore 1 of the magnet armature.
  • 2 Means of a suitable elekt ⁇ tronic analog scheme can be controlled, the mecanicsteckende to the valve housing 14 Valve coil current proportional, whereby the condition for a continuous control of the valve flow rate is given in each case.
  • an adjusting sleeve 3 is fixed in each case in the bore 1 of the armature 2, in which by way of example according to the figure 1, the valve stem 4 is attached in sections.
  • Ein ⁇ adjusting sleeve 3 a particularly simple, continuous adjustment of the residual air gap RLS is guaranteed.
  • the adjusting sleeve 3 is made of a magnetic flux non-conductive material, in particular a austenitic steel.
  • the adjusting sleeve 3 is partially adjustable as required by means of a sliding press fit in the bore 1 of the magnet armature 2.
  • valve stem 4 is fixed in the adjusting sleeve 3 in Figure 1, wherein the Einpresstiefe the valve stem 4 is defined in the adjusting sleeve 3 by a required in the adjusting sleeve 3 installation space 7 for the return spring 8.
  • Both the effective between the adjusting sleeve 3 and the armature 2 and the between the adjusting sleeve 3 and the valve stem 4 friction force of the sliding press fit is the amount of at least as large as the valve switching on the A ⁇ adjusting sleeve 3 and the valve stem 4 acting mechanical and hydraulic forces.
  • the adjusting sleeve 3 has two holding portions 9, 10, of which the first holding portion 9 includes the press connection between the outer shell of the adjusting sleeve 3 and the bore 1, while the second holding portion 10 through the
  • Press connection between the inner shell of the adjusting sleeve 3 and the valve stem 4 is defined. Furthermore, it can be seen from FIG. 1 that following the first holding section 9 in the region of the second holding section 10 an annular space 23 is provided between the adjusting sleeve 3 and the bore 1 in the magnet armature 2, so that one in the transition region between the first and second holding section 10 in the Adjusting sleeve 3 arranged pressure compensation bore 11 via the annular space 23 with a return spring 8 in the adjusting sleeve 3 receiving installation space 7 is in hydraulic pressure compensating connection. Furthermore, the annular space 23 permits a to-leranzaus Derma radial expansion of the second Garab ⁇ section 10, whereby the pressing in of the valve slide 4 is facilitated in the adjustment. 3
  • valve stem 4 is pressed directly into the non-magnetic adjustment sleeve 3, therefore, there is no contact with the magnetic material of the magnet armature 2, which is exposed in the sense of magnetic decoupling of the valve stem 4 regardless of the selected material no unwanted magnetization, which Valve control could adversely affect.
  • valve housing 14 As the constitution of the in Figs. 1-3 depicted valve housing 14.
  • the illustrated electric ⁇ solenoid valves each have a thick-walled tubular body 16, in which the valve seat body 19 is press-fitted as a separate component.
  • Above and below the tubular body 19 are each a housing sleeve 15, 17 are attached, wherein the upper housing sleeve 15 is welded to the tubular body 16, while arranged on the opposite side of the housing sleeve 15 end lower housing sleeve 17 a radially encircling collar .
  • the lower housing sleeve 17 is preferably made of an austenitic, thin-walled steel, one in the wall of the lower
  • Housing sleeve 17 arranged passage 20 is inexpensively produced in the stamping ⁇ or stamping process.
  • the valve seat body 19 has on its lateral surface an axial stop 20, which is supported on a side facing away from the magnetic core 5 end face of the designed as a solid tubular body 16 valve housing 14.
  • the axial stop 20 on the valve seat body 19 is designed as a stepped shoulder, which protrudes with its preferably annular projection 21 on the end face of the valve housing 14.
  • a circumferential recess 22 is provided to the possible realization of an elastic, ge ⁇ directed onto the outer surface of the valve seat body 19 radial deformation of the valve housing 14 is designed as a thin-walled housing sleeve 17 on the lateral surface of the Ven ⁇ tilsitz stresses 19 is arranged between a Presspassungsan abolish 24 of the valve seat body 19 in the housing sleeve 17 and the axial stop 20.
  • This ensures that the housing sleeve 17 can be inserted into the valve receiving bore 30 as a result of its resilient compliance in the valve receiving bore and can thus be pushed into the valve receiving bore 30 without abrasion while adhering to generous fitting tolerances while at the same time providing sufficient sealing action.
  • Sealing surface 25 which is used for fixing and sealing of the solenoid valve by means of a press fit in the Ven ⁇ tilfactbohrung 30.
  • a filter element 26 is fixed, which has a standing collar 27 which is locked in the manner of a clip in a groove-shaped undercut 28 on the lateral surface of the projection 21.
  • the valve seat body 19 is preferably made by machining of machining steel by means of a lathe to form the details shown in Figures 1, 2.
  • FIG. 3 a filter element 26 is pressed into a cavity of the annular projection 21.
  • the valve seat body 19 for forming the sealing in the valve receiving bore 30 projection 21 the voltage applied to the housing sleeve 17 Axial ⁇ stop 19 and held in the housing sleeve 17 A ⁇ press section cost by deep drawing of Phynwan ⁇ digem, made of austenitic steel, wherein the valve stem to be closed by the valve stem 4 13 in order 0
  • Wear protection is provided with a surface hardening

Landscapes

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

Abstract

L'invention concerne une soupape électromagnétique comprenant un poussoir de soupape (4) agencé dans un carter de soupape (14), lequel peut ouvrir ou fermer un passage de soupape (13) dans un corps de siège de soupape (19) cylindrique creux, une armature (2) prévue pour actionner le poussoir de soupape (4) et traversée par un alésage (1) pour la réception du poussoir de soupape (4), et un ressort de rappel (8) agissant sur le poussoir de soupape (4) et dont l'extrémité opposée à l'armature (2) prend appui sur un noyau magnétique (5) dans le carter de soupape (14), le noyau magnétique (5) étant agencé sur le côté frontal du carter de soupape (14) opposé au corps de siège de soupape (19). Pour assurer un ajustement précis, le corps de siège de soupape (19) comporte, sur sa surface extérieure, une butée axiale (20) qui prend appui sur une surface frontale du carter de soupape (14) opposée au noyau magnétique (5).
PCT/EP2015/052914 2014-02-18 2015-02-12 Soupape électromagnétique destinée en particulier à des systèmes de freinage de véhicules automobile à antipatinage WO2015124484A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014202926.0 2014-02-18
DE102014202926.0A DE102014202926A1 (de) 2014-02-18 2014-02-18 Elektromagnetventil, insbesondere für schlupfgeregelte Kraftfahrzeugbremsanlagen

Publications (1)

Publication Number Publication Date
WO2015124484A1 true WO2015124484A1 (fr) 2015-08-27

Family

ID=52469048

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/052914 WO2015124484A1 (fr) 2014-02-18 2015-02-12 Soupape électromagnétique destinée en particulier à des systèmes de freinage de véhicules automobile à antipatinage

Country Status (2)

Country Link
DE (1) DE102014202926A1 (fr)
WO (1) WO2015124484A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016091618A1 (fr) * 2014-12-09 2016-06-16 Continental Teves Ag & Co. Ohg Électrovanne, en particulier pour systèmes de freinage de véhicules automobiles à glissement régulé

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017201471A1 (de) 2017-01-31 2018-08-02 Continental Teves Ag & Co. Ohg Elektromagnetisch betätigbares Ventil für eine Fahrzeugbremsanlage

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19838910A1 (de) * 1998-08-27 2000-03-02 Bosch Gmbh Robert Elektromagnetische Vorrichtung, insbesondere für eine schlupfgeregelte, hydraulische Fahrzeugbremsanlage
DE19922334A1 (de) * 1999-03-13 2000-09-14 Continental Teves Ag & Co Ohg Elektromagnetventil
WO2000074988A1 (fr) * 1999-06-08 2000-12-14 Continental Teves Ag & Co. Ohg Electrovanne
DE10109178A1 (de) * 2000-02-28 2001-09-20 Delphi Tech Inc Plungeranordnug mit voreingestellter Federkraftvorlast
WO2003093083A1 (fr) * 2002-05-02 2003-11-13 Continental Teves Ag & Co. Ohg Soupape electromagnetique
WO2004055420A2 (fr) * 2002-12-13 2004-07-01 Continental Teves Ag & Co. Ohg Soupape électromagnétique
WO2006040248A1 (fr) * 2004-10-07 2006-04-20 Robert Bosch Gmbh Soupape a actionnement electromagnetique
WO2008110435A1 (fr) * 2007-03-10 2008-09-18 Continental Teves Ag & Co. Ohg Ensemble soupape
WO2011079992A1 (fr) * 2009-12-29 2011-07-07 Robert Bosch Gmbh Ensemble vanne

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19836494A1 (de) * 1998-03-31 1999-10-07 Itt Mfg Enterprises Inc Elektromagnetventil
DE10003204A1 (de) * 1999-06-08 2000-12-14 Continental Teves Ag & Co Ohg Elektromagnetventil
DE10205854B4 (de) * 2001-10-04 2010-09-02 Continental Teves Ag & Co. Ohg Elektromagnetventil, insbesondere für hydraulische Bremsanlagen
DE10239127A1 (de) * 2002-02-12 2003-08-21 Continental Teves Ag & Co Ohg Elektromagnetventil
US7832661B2 (en) * 2003-09-29 2010-11-16 Continental Automotive Systems Us, Inc. Injector seat that includes a coined seal band with radius
DE102008005652A1 (de) * 2007-07-14 2009-01-15 Continental Teves Ag & Co. Ohg Ventil

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19838910A1 (de) * 1998-08-27 2000-03-02 Bosch Gmbh Robert Elektromagnetische Vorrichtung, insbesondere für eine schlupfgeregelte, hydraulische Fahrzeugbremsanlage
DE19922334A1 (de) * 1999-03-13 2000-09-14 Continental Teves Ag & Co Ohg Elektromagnetventil
WO2000074988A1 (fr) * 1999-06-08 2000-12-14 Continental Teves Ag & Co. Ohg Electrovanne
DE10109178A1 (de) * 2000-02-28 2001-09-20 Delphi Tech Inc Plungeranordnug mit voreingestellter Federkraftvorlast
WO2003093083A1 (fr) * 2002-05-02 2003-11-13 Continental Teves Ag & Co. Ohg Soupape electromagnetique
WO2004055420A2 (fr) * 2002-12-13 2004-07-01 Continental Teves Ag & Co. Ohg Soupape électromagnétique
WO2006040248A1 (fr) * 2004-10-07 2006-04-20 Robert Bosch Gmbh Soupape a actionnement electromagnetique
WO2008110435A1 (fr) * 2007-03-10 2008-09-18 Continental Teves Ag & Co. Ohg Ensemble soupape
WO2011079992A1 (fr) * 2009-12-29 2011-07-07 Robert Bosch Gmbh Ensemble vanne

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016091618A1 (fr) * 2014-12-09 2016-06-16 Continental Teves Ag & Co. Ohg Électrovanne, en particulier pour systèmes de freinage de véhicules automobiles à glissement régulé
US10421443B2 (en) 2014-12-09 2019-09-24 Continental Teves Ag & Co. Ohg Solenoid valve, in particular for slip-regulated motor-vehicle brake systems

Also Published As

Publication number Publication date
DE102014202926A1 (de) 2015-08-20

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