EP2539193A1 - Électrovanne à volume de détente pour la régulation d'un fluide - Google Patents

Électrovanne à volume de détente pour la régulation d'un fluide

Info

Publication number
EP2539193A1
EP2539193A1 EP11705183A EP11705183A EP2539193A1 EP 2539193 A1 EP2539193 A1 EP 2539193A1 EP 11705183 A EP11705183 A EP 11705183A EP 11705183 A EP11705183 A EP 11705183A EP 2539193 A1 EP2539193 A1 EP 2539193A1
Authority
EP
European Patent Office
Prior art keywords
armature
solenoid valve
valve member
pole core
valve according
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Withdrawn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
EP11705183A
Other languages
German (de)
English (en)
Inventor
Pascal Godbillon
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2539193A1 publication Critical patent/EP2539193A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B60T8/363—Electromagnetic valves specially adapted for anti-lock brake and traction control systems in hydraulic systems
    • 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
    • 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
    • F16K31/0686—Braking, pressure equilibration, shock absorbing
    • F16K31/0693—Pressure equilibration of the armature

Definitions

  • Solenoid valve with dipping stage for controlling a fluid The present invention relates to a normally closed solenoid valve with
  • Dipping stage for controlling a fluid.
  • Normally closed solenoid valves for controlling a fluid are known from the prior art in different configurations, in particular z. B. as exhaust valves for ABS / TCS / ESP devices in motor vehicles, known.
  • solenoid valves have a valve member connected to the armature and a pole core. Between the pole core and the anchor is a
  • valve member releases or closes a passage opening on a valve seat.
  • a solenoid valve is z. B. from DE 10 2007 031 981 A1.
  • Magnetic force profile is designed such that the solenoid valve is better adjustable over a large stroke range.
  • the solenoid valve for controlling a fluid, an armature, a pole core, wherein between the armature and the pole core, a working gap is provided, and a valve member which is connected to the armature and is movable together with the armature.
  • the solenoid valve further includes a valve body having a through hole on which a valve seat is formed, the valve member exposing and closing the through hole on the valve seat, and a return member exerting a restoring force on the valve member to return the valve member to a closed state. wherein the anchor has a central through hole for
  • the solenoid valve comprises one between the pole core and the armature trained diving level.
  • the immersion stage comprises a Tauchtrenaus simplifiedung and a dip stage element.
  • Tauchtrenaus originallyung is formed at the anchor by an end-side recess. This provides a compact armature assembly with integrated immersion level, which allows cost-effective installation and accurate adjustment to the
  • Dip level element as a cost-effective and pourable mass item produced.
  • the immersion stage element is connected to the pressure piece by means of a press connection. This will easily a
  • the concentricity tolerance between the outer diameter of the immersion stage element and the inner diameter of the Tauchtrenaus supraung is subject to the armature of a significantly shortened tolerance chain and is essentially only dependent on the leadership of the pressure piece.
  • a tilting or a radial offset of the armature to the pole core thus has no influence on the centering of the immersion stage element.
  • the pressure piece is also preferably made of a non-magnetizable material so as not to affect the magnetic circuit by a shunt between the pole core, pressure piece and anchor.
  • Solenoid valve further comprises a spring element which is between the pole core and the
  • the spring element may preferably be formed as a plate spring or disc spring.
  • the spring element is part of the preassembled armature assembly.
  • the dipping stage comprises a double-dipping stage or a
  • a contact surface of the pole core in the direction of the immersion stage element is spherical.
  • the solenoid valve comprises a
  • Baffle plate for deflecting fluid when the solenoid valve is open, wherein a portion of the valve member is passed through a central opening in the baffle plate.
  • the baffle plate causes a deflection of the fluid flow by 180 ° opposite to the direction of flow of the fluid and serves as
  • the TauchtrenausANSung is tapered, in particular conical, formed.
  • the immersion stage element has a concave surface facing the armature. These shapes provide enough space for the spring disc to open when the solenoid valve opens.
  • Gap thereby only slightly increased, thus significantly reducing a disturbance of the magnetic circuit of the solenoid valve.
  • Figure 1 is a schematic sectional view of a solenoid valve for
  • Figure 1 shows a schematic sectional view of a solenoid valve 1 for controlling a fluid according to an embodiment of the invention.
  • the solenoid valve 1 comprises a fixed to a valve sleeve 44 housing 40, inside which an armature 2, a valve member 3 and a housing 40 connected to the valve body 4 are arranged coaxially to a central axis X.
  • An armature assembly 60 comprises the armature 2, the valve member 3, a return element 7 and a pressure piece 50, which abuts against an adjusting device 12, wherein between the armature 2 and the pole core 41, a working gap 51 is formed.
  • the pole core 41 is fixed to the housing 40 by means of a weld 43.
  • a filter 45 is arranged on the outside of the valve body 4.
  • an inflow channel 46 formed in the valve body 4 perpendicular to the central axis X, a fluid passed through the filter 45 flows in the direction of an arrow P into a passage bore 49 formed coaxially with the central axis X.
  • a plurality of circumferentially coaxially arranged outflow channels are formed parallel to the passage bore 49 of which only one is visible in Figure 1 and designated by the reference numeral 47.
  • a bypass channel 52 for a bypass channel 52 for
  • Valve member 3 opposite end of the passage bore 49.
  • the valve member 3 facing the end of the passage bore 49 forms a through hole. 5 of the valve body 4 and has a valve seat 6.
  • At the valve seat 6 is located at one end of a portion 10 of the valve member 3 and closes in the de-energized operating state of the solenoid valve 1, the through hole 5 and lifts upon actuation of the solenoid valve 1 from the valve seat 6 and releases it again.
  • the portion 10 of the valve member 3 is through an opening 9 a
  • Baffle device 8 movably passed, wherein the baffle device 8 is fixed in the valve body 4. Between the baffle device 8 and the portion 10, an annular gap 23 for unimpeded movement of the valve member 3 is provided.
  • the baffle 8 causes a deflection of the fluid flowing through the passage opening 5 by 180 ° in the direction of the
  • the solenoid valve 1 further comprises a formed between the pole core 41 and the armature 2 immersion stage 12, which has a TauchtrenausANSung 14 and a dip stage element 13.
  • the immersion stage recess 14 is formed by an end-side recess on the armature 2 which has an outer cylindrical recess
  • the immersion stage element 13 has a pole core 41 directed in
  • Dip level element 13 has a concave surface.
  • Dip level element 13 is fixed to the pressure piece 50 by means of a press connection. Between the outer diameter of the immersion step element 13 and the
  • Inner diameter of the annular portion 18 of the Tauchtrenaus supraung 14 is provided a generous concentricity tolerance to the centering of the
  • the pressure piece 50 is movably arranged in the armature 2 in the axial direction, wherein the pressure piece 50 is secured to the armature 2 by means of a shoulder 17 in the central through-hole 16, so that a preassembled armature assembly 60, comprising the armature 2, the valve member 3, the return element. 7 and the
  • the armature assembly 60 also includes a spring element 1 1, which is arranged in the working gap 51 between the pole core 41 and the armature 2.
  • the spring element 1 which as a spring washer or is alternatively designed as a plate spring, has a central opening 24 through which an end portion 25 of the pressure piece 50 is passed.
  • the end portion 25 of the pressure piece 50 is in contact with a contact surface 15 of the pole core 41, which is spherical in order to compensate for a misalignment of the pole core 41 and to prevent a resulting tilting of the armature assembly 60.
  • the spring element 1 1 is, as further apparent from Figure 1, with a
  • the solenoid valve 1 has the advantage that, by means of the immersion stage 12 integrated in the armature assembly, in addition to a sufficiently high magnetic force with the solenoid valve 1 closed, a substantially linear magnetic force profile over the entire valve stroke range is achieved, which considerably increases the continuous (proportional) adjustability of the solenoid valve 1 improved and realized a more precise functional accuracy in all operating points.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Magnetically Actuated Valves (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Details Of Valves (AREA)

Abstract

L'invention concerne une électrovanne (1) servant à la régulation d'un fluide et comprenant une armature (2) et un noyau polaire (41) entre lesquels un interstice de travail (51) est ménagé, un élément de vanne (3) qui est relié à l'armature (2) et est mobile conjointement avec cette dernière; un corps de vanne (4) comportant un orifice de passage (5) au niveau duquel est formé un siège de vanne (6), l'élément de vanne (3) ouvrant et fermant l'orifice de passage (5) au niveau du siège de vanne (6). Ladite électrovanne comprend également un élément de rappel (7) qui exerce une force de rappel sur l'élément de vanne (3) pour ramener l'élément de vanne (3) à l'état fermé, l'armature (2) présentant un orifice de passage central (16) qui reçoit l'élément de vanne (3) et l'élément de rappel (7), ainsi qu'un volume de détente (12) formé entre le noyau polaire (41) et l'armature (2).
EP11705183A 2010-02-23 2011-02-09 Électrovanne à volume de détente pour la régulation d'un fluide Withdrawn EP2539193A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010002216.0A DE102010002216B4 (de) 2010-02-23 2010-02-23 Magnetventil mit Tauchstufe zum Steuern eines Fluids
PCT/EP2011/051862 WO2011104116A1 (fr) 2010-02-23 2011-02-09 Électrovanne à volume de détente pour la régulation d'un fluide

Publications (1)

Publication Number Publication Date
EP2539193A1 true EP2539193A1 (fr) 2013-01-02

Family

ID=43798251

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11705183A Withdrawn EP2539193A1 (fr) 2010-02-23 2011-02-09 Électrovanne à volume de détente pour la régulation d'un fluide

Country Status (6)

Country Link
US (1) US20120313022A1 (fr)
EP (1) EP2539193A1 (fr)
JP (1) JP2013519853A (fr)
CN (1) CN102781745A (fr)
DE (1) DE102010002216B4 (fr)
WO (1) WO2011104116A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011050877A1 (fr) * 2009-10-26 2011-05-05 Hydac Fluidtechnik Gmbh Électrovanne
DE102009060293A1 (de) * 2009-12-23 2011-06-30 Robert Bosch GmbH, 70469 Magnetventil sowie Fahrerassistenzeinrichtung
DE102010025370A1 (de) * 2010-06-28 2011-12-29 Schaeffler Technologies Gmbh & Co. Kg Fluidschaltventil, insbesondere Sitzventil
DE102010042676A1 (de) * 2010-10-20 2012-04-26 Robert Bosch Gmbh Magnetventil, Bremssystem
DE102011077069A1 (de) * 2011-06-07 2012-12-13 Robert Bosch Gmbh Elektromagnetisch betätigbares Ventil
DE102012210913A1 (de) 2012-06-27 2014-01-02 Robert Bosch Gmbh Magnetventil zum Steuern eines Fluids
JP6025198B2 (ja) * 2013-01-09 2016-11-16 日立オートモティブシステムズ株式会社 電磁弁及びブレーキ装置
DE102013220331A1 (de) * 2013-10-09 2015-04-09 Robert Bosch Gmbh Elektromagnetisch betätigbares Ventil
US9377124B2 (en) 2013-10-15 2016-06-28 Continental Automotive Systems, Inc. Normally low solenoid valve assembly
JP6146774B2 (ja) * 2013-12-12 2017-06-14 日立オートモティブシステムズ株式会社 電磁弁およびブレーキユニット
JP6331645B2 (ja) * 2014-04-22 2018-05-30 株式会社ジェイテクト 弁装置
DE102015213840A1 (de) * 2015-07-22 2017-01-26 Robert Bosch Gmbh Stromlos geschlossenes Magnetventil
DE102015224421A1 (de) * 2015-12-07 2017-06-08 Robert Bosch Gmbh Elektromagnetisch betätigbares Einlassventil und Hochdruckpumpe mit Einlassventil
DE102016203035A1 (de) * 2016-02-26 2017-08-31 Continental Teves Ag & Co. Ohg Elektromagnetventil, insbesondere für schlupfgeregelte Kraftfahrzeugbremsanlagen
DE102016219580A1 (de) 2016-10-10 2018-04-12 Robert Bosch Gmbh Magnetventil mit einstellbarer Federkraft
KR102043966B1 (ko) * 2018-03-29 2019-11-12 주식회사 인팩 현가장치의 모드 전환용 솔레노이드 밸브 조립체
DE102019119808A1 (de) * 2019-07-23 2021-01-28 Wabco Europe Bvba Relaisventil für eine pneumatische Ventileinheit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0650459A (ja) * 1992-07-31 1994-02-22 Taiheiyo Kogyo Kk 緩動電磁弁

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US4027850A (en) * 1975-09-05 1977-06-07 Peter Paul Electronics Co., Inc. Solenoid valve
US5232196A (en) * 1992-03-31 1993-08-03 Ldi Pneutronics Corporation Proportional solenoid controlled valve
EP0701054A3 (fr) * 1994-09-09 1996-06-12 Gen Motors Corp Actionneur à déplacement linéaire à solenoide pour une soupape de recirculations de gaz d'échappement
DE19529724A1 (de) * 1995-08-12 1997-02-13 Teves Gmbh Alfred Elektromagnetventil, insbesondere für hydraulische Kraftfahrzeugbremsanlagen mit Radschlupfregelung
DE19544257B4 (de) * 1995-11-28 2012-10-04 Robert Bosch Gmbh Elektromagnetisch betätigtes Ventil für hydraulische Bremsanlagen von Kraftfahrzeugen
DE19751240A1 (de) * 1997-11-19 1999-05-20 Itt Mfg Enterprises Inc Elektromagnetventil
DE19802464A1 (de) * 1998-01-23 1999-07-29 Bosch Gmbh Robert Hydraulisches magnetbetätigtes Sitzventil, insbesondere für Bremsanlagen von Kraftfahrzeugen
US6994406B1 (en) * 1998-12-16 2006-02-07 Kelsey-Hayes Company EHB proportional solenoid valve with stepped gap armature
US6837478B1 (en) 1999-11-16 2005-01-04 Continental Teves Ag & Co., Ohg Electromagnet valve
US6776391B1 (en) * 1999-11-16 2004-08-17 Continental Teves Ag & Co. Ohg Electromagnet valve
US6446885B1 (en) * 2001-01-16 2002-09-10 Robert Bosch Corporation Secondary filter assembly for fuel injector
EP1503926A1 (fr) * 2002-05-02 2005-02-09 Continental Teves AG & Co. oHG Soupape electromagnetique
JP2007515596A (ja) * 2003-02-05 2007-06-14 コンチネンタル・テベス・アーゲー・ウント・コンパニー・オーハーゲー 電磁弁
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DE102006047923A1 (de) * 2006-10-10 2008-04-17 Robert Bosch Gmbh Magnetventil und zugehörige hydraulische Bremsanlage für Kraftfahrzeuge
DE102007031981B4 (de) 2007-07-10 2023-01-12 Robert Bosch Gmbh Magnetventil
EP2112366B1 (fr) * 2008-04-23 2011-11-02 Magneti Marelli S.p.A. Injecteur de carburant électromagnétique pour carburants gazeux avec dispositif d'arrêt anti-usure

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Publication number Priority date Publication date Assignee Title
JPH0650459A (ja) * 1992-07-31 1994-02-22 Taiheiyo Kogyo Kk 緩動電磁弁

Also Published As

Publication number Publication date
CN102781745A (zh) 2012-11-14
DE102010002216B4 (de) 2022-06-30
WO2011104116A1 (fr) 2011-09-01
DE102010002216A1 (de) 2011-08-25
JP2013519853A (ja) 2013-05-30
US20120313022A1 (en) 2012-12-13

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