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WO2019110163A1 - Élément d'étranglement et soupape hydraulique ou pneumatique - Google Patents

Élément d'étranglement et soupape hydraulique ou pneumatique Download PDF

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Publication number
WO2019110163A1
WO2019110163A1 PCT/EP2018/076302 EP2018076302W WO2019110163A1 WO 2019110163 A1 WO2019110163 A1 WO 2019110163A1 EP 2018076302 W EP2018076302 W EP 2018076302W WO 2019110163 A1 WO2019110163 A1 WO 2019110163A1
Authority
WO
WIPO (PCT)
Prior art keywords
throttle
valve
hydraulic
opening
valve body
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/EP2018/076302
Other languages
German (de)
English (en)
Inventor
Valentin Schubitschew
Volker Edelmann
Andrej Gardt
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 WO2019110163A1 publication Critical patent/WO2019110163A1/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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • 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

Definitions

  • the invention relates to a throttle component for a valve body comprehensive hydraulic or pneumatic valve. Likewise, the invention relates to a hydraulic or pneumatic valve and a hydraulic or
  • the invention further relates to a method for producing a throttle component for a hydraulic or pneumatic valve comprising a valve body, and to a method of manufacturing a hydraulic or pneumatic valve.
  • Fig. 1 shows a schematic representation of a conventional valve, which the applicant is known as an internal prior art.
  • the conventional (hydraulic) valve 10 shown schematically in FIG. 1 has a valve housing comprising a valve sleeve 12 with a flow opening 12 a, a capsule 14 and a radial filter 16.
  • a valve body 18 In the valve 10, a valve body 18, a sealing bushing 20, a sealing ball 22, an armature 24, an inner sleeve 26 and a spring / return spring 28 are arranged, wherein the
  • Sealing bush 20 is supported by the spring 28 on the inner sleeve 26.
  • the valve 10 is secured by means of a Verstemmbuchse 30 in a receiving bore 32 of a (hydraulic) unit 34 such that by means of the valve 10, a fluid transfer between a first connecting bore 36 and a second connecting bore 38, wherein both connecting holes 36 and 38 open at the receiving bore 32 , is controllable.
  • an axial filter 40 is inserted on a side facing away from the Verstemmbuchse 30 inside of the valve 10 in the receiving bore 32. Disclosure of the invention
  • the invention provides a throttle component for a valve body comprising a hydraulic or pneumatic valve with the features of claim 1, a hydraulic or pneumatic valve with the features of claim 7, a hydraulic or pneumatic unit for a brake system of a vehicle having the features of claim 8, a manufacturing method for a throttle member for a valve body comprising a hydraulic or pneumatic valve having the features of claim 9 and a
  • the present invention provides possibilities for equipping a hydraulic or pneumatic valve with a throttle component, by means of which flows in different flow directions through the respective hydraulic or pneumatic valve by means of a "size" at least one throttle opening of the throttle member regardless of the respective flow direction and independent of a current shift position
  • the respective hydraulic or pneumatic valve can be fixed.
  • a "sticking" of its brake pedal to the driver's foot which is perceived as disturbing by drivers, can be prevented.
  • the throttle component is designed as a valve sleeve for the hydraulic or pneumatic valve.
  • the throttle member may be attachable in a flow opening of the valve sleeve of the hydraulic or pneumatic valve. The throttle component is thus easily integrated into the valve.
  • Throttle opening of the throttle component formed on the throttle component causes a deflection of a liquid or gas flow focussed / focused by means of a throttling such that at least one subsequent (hydraulic or pneumatic) component undergoes no damage due to the focused / bundled liquid or gas flow.
  • this causes a deflection of a central liquid or gas jet, preferably on and / or in a hydraulic or pneumatic valve.
  • the embodiment described here thus contributes to the extension of a service life / durability of hydraulic or
  • pneumatic components such as in particular hydraulic or pneumatic valves, at. Therefore, repair and / or replacement parts costs can be saved by means of the embodiment described here.
  • Throttle component formed.
  • Flow velocities are reliably deflected so that a kinetic energy of the previously focused / bundled liquid or gas flow is distributed. This causes a more uniform flow against the at least one subsequent (hydraulic or pneumatic) component, so that the respective hydraulic or pneumatic component only
  • the throttle opening diameter may be the only one
  • Throttle opening diameters of a plurality of throttle openings of the throttle member may be less than or equal to 80% of the opening diameter of the valve body opening of the valve body and / or less than or equal to 2 mm. As explained in more detail below, an undesired stroke by means of the throttle component is thus reliably preventable.
  • the advantages described above are also in a corresponding hydraulic or pneumatic valve and / or in such a hydraulic or pneumatic unit for a brake system
  • Fig. 1 is a schematic representation of a conventional valve
  • Fig. 2 is a schematic representation of a first embodiment of the
  • Throttle component or the hydraulic or pneumatic valve
  • Fig. 3 is a schematic representation of a second embodiment of the
  • Throttle component or the hydraulic or pneumatic valve.
  • FIG. 2 shows a schematic representation of a first embodiment of the throttle component, or the hydraulic or pneumatic valve.
  • the valve 50 shown schematically in FIGS. 2 a and 2 b, is designed as a hydraulic valve 50 by way of example only. The ones described below
  • the valve 50 has an example designed as a valve sleeve 52
  • Throttle member 52 wherein a flow opening 54 of the valve sleeve 52 can be rewritten as a throttle opening 54 of the throttle member 52. It is pointed out, however, that an embodiment of the throttle component 52 described below is not limited to a valve sleeve 52.
  • the throttle member 52 may also be referred to as a baffle 52.
  • the valve 50 also has at least one valve body / angle body 18 (as a valve seat), wherein the throttle member 52 is fastened / fastened to and / or in the valve body 18 comprehensive valve 50.
  • the valve body 18 is arranged in a "valve housing" of the valve 50, which is formed from the throttle component / the valve sleeve 52, a capsule 14 and a radial filter 16.
  • the reproduced in Fig. 2 training of the "valve housing" of the valve 50 is to be interpreted only as an example.
  • the throttle opening 54 of the throttle component 52 (or the flow opening 54 of the valve sleeve 52) can be considered as a first inlet and / or outlet opening of the valve 50, through which a liquid / gas flows into the valve 50 and / or flows out of the valve 50 be designated.
  • a flow in a first flow direction (so-called “forward direction”) is reproduced by means of two arrows 56a and 56b through the valve 50 present in a first switching position.
  • the valve 50 can also be transferred from the first switching position shown in Fig. 2 in a second switching position in which a flow through the valve 50 in a first flow direction opposite second flow direction (so-called “backward direction”) occurs.
  • the (single) throttle opening 54 of the throttle member 52 has a (maximum or average) throttle opening diameter Dl which is less than or equal to one (maximum or average) opening diameter D2 of a valve body opening 18a of the valve body 18 and / or less than or equal to 2.5 mm (millimeters).
  • a throttle opening diameter D1 of the throttle opening 54 the throttle member 52 effects a significant "throttling" of the flow both at a flow in the first flow direction and at a flow in the second flow direction.
  • Throttle opening diameter Dl of the throttle opening 54 (both in a flow in the first flow direction as well as in a flow in the second flow direction) trigger a greater "throttling" of the flow than the valve body 18.
  • a total pressure drop Ap totai occurring when the valve 50 flows in the first flow direction or in the second flow direction at the valve 50 is thus divided into a first pressure drop Dri occurring at the throttle component 52 and a second occurring at the valve body 18
  • a further advantage of the "throttling" effected by means of the throttling component 52 is a realized independence of the flow rates through the valve 50 of production-related stroke setting tolerances (precursor stroke and total stroke) and a realized temperature independence of the flows through the valve 50. In the absence of the throttling component 52 "Throttling" would also be the flow in the first flow direction stronger
  • throttle opening diameter D1 of the throttle opening 54 of the throttle member 52 flow in various directions of flow through the valve 50 can be set to a preferred level / flow rate irrespective of the direction of flow and independent of the switching position of the valve 50.
  • the throttle opening diameter Dl of the (single) throttle opening 54 of the throttle member 52 may be, for example, less than or equal to 80% of the
  • Valve body opening 18a of the valve body especially less than or equal to 60% of the opening diameter D2 of the valve body opening 18a of the valve body 18a, even less than or equal to 50% of the opening diameter D2 of the valve body opening 18a of the valve body 18, be.
  • the valve body opening 18a of the valve body especially less than or equal to 60% of the opening diameter D2 of the valve body opening 18a of the valve body 18a, even less than or equal to 50% of the opening diameter D2 of the valve body opening 18a of the valve body 18, be.
  • Throttle member 52 also less than or equal to 2 mm, e.g. less than or equal to 1.8 mm, especially less than or equal to 1.6 mm, in particular less than or equal to 1.4 mm.
  • the ranges given here for the throttle opening diameter Dl of the (single) throttle opening 54 of the throttle member 52 all provide the advantages described above.
  • the valve 50 of FIG. 2 is a solenoid valve, in particular a normally closed switching valve / high pressure switching valve.
  • the valve 50 in its “valve housing" in addition to the valve body / angle body 18 nor a sealing bushing 20, a sealing ball 22, an armature 24, an inner sleeve 26 and a spring / return spring 28, wherein the sealing bushing 20 by means of the spring / return spring 28 is supported on the inner sleeve 26.
  • Valve 50 is exemplified to provide fluid flow in a (hydraulic) aggregate of a vehicle braking system
  • valve 50 by means of a
  • Verstemmbuchse 30 liquid-tight to be attached and / or in a receiving bore of the unit fastened / attached.
  • brake fluid can be transferred / transferred from a pedal simulator of the brake system to a master brake cylinder of the brake system. Accordingly, by means of a flow through the valve 50 in the (the first flow direction opposite directed) second flow direction brake fluid from the master cylinder to be transferred back into the pedal simulator / be transferred back.
  • Throttle opening diameter Dl of the throttle opening 54 the same
  • Throttle opening diameter Dl the throttle opening 54 thus a
  • the advantageous throttle opening diameter D1 of the throttle opening 54 thus improves braking comfort for a driver of a vehicle / motor vehicle equipped with the valve 50 of FIG. 2. Likewise, by the "division" of the total pressure drop Ap to tai in the first pressure drop Dri occurring at the throttle component 52 and that at the valve body 18
  • valve body 18 is not moved out of the valve sleeve 52, and the valve 50 thus reliably retains its functionality.
  • the valve 50 even in a comparatively large total pressure drop Ap to tai between the pedal simulator and the
  • the valve 50 is therefore well suited as a normally closed high-pressure switching valve.
  • Fig. 3 shows a schematic representation of a second embodiment of the throttle member, or the hydraulic or pneumatic valve.
  • the throttle member 62 is in a
  • the throttle member 62 is also formed as a filter carrier such that a filter 64 is fastened or fixed to the throttle member.
  • the throttle component 62 thus makes it possible (in addition to the volume flow throttling explained with reference to the preceding embodiment) an integration of the filter 64 to protect the valve 60 from particles (or abrasion when emptying the aforementioned pedal simulator). By integrating the filter 64 in the valve 60 can be an additional
  • valve 60 can be easily used in a relatively small-volume receiving bore of a (hydraulic) unit, in particular a (hydraulic) unit of a braking system of a vehicle / motor vehicle.
  • a suitable for introducing the valve 60 receiving bore may be formed in particular with a relatively small length along its central longitudinal axis, without having to dispense with a filter protection effect.
  • the throttle member 62 designed as a filter carrier has a
  • the at least one throttle opening 66 of the throttle member 62 is formed on a first side of the cylinder jacket-shaped portion 62a at a bottom-shaped portion 62b.
  • a flange 62 c is formed, in which the filter 64 is fastened or held.
  • the throttle member 62 may be e.g. be made of sheet metal / be.
  • the advantageous use of the flange 62c for securing the filter 64 also allows the use of a filter 64 made of a comparatively sensitive material, without fear of damage / tearing of the filter 64 when it is fastened.
  • the filter 64 may be made of plastic.
  • the sum of throttle opening diameters of the plurality of throttle openings 66 of the throttle member 62 may be less than or equal to 80% of the opening diameter of the valve body opening 18a of the valve body 18, more preferably less than or equal to 70% of the opening diameter
  • Valve body opening 18a of the valve body especially less than or equal to 60% of Opening diameter of the valve body opening 18a of the valve body 18a, even less than or equal to 50% of the opening diameter of the valve body opening 18a of the valve body 18, be.
  • Throttle member 62 also less than or equal to 2 mm, e.g. less than or equal to 1.8 mm, especially less than or equal to 1.6 mm, in particular less than or equal to 1.4 mm.
  • the at least one throttle opening 66 of the throttle component 62 is / are off-center / off-center on the throttle component 62
  • the throttle member 62 thus causes in addition to a throttling and a deflection of a previously focused / bundled
  • Throttle opening 66 is passed.
  • the previously focused / bundled liquid or gas flow is thus defocused or deflected.
  • a kinetic energy of the liquid or gas flow is thus redistributed so that at least one subsequent component is protected from damage by the liquid or gas flow.
  • a central longitudinal axis 68 can be defined, which extends centrally through the associated throttle opening 66.
  • a rotational symmetry axis 70 can be defined with respect to which
  • the non-centered / off-center position of the at least one throttle opening 66 can be rewritten such that the rotational symmetry axis 70 is offset parallel (each with a non-zero spacing) to the at least one central axis 68 of the at least one throttle opening 66.
  • At least two fixed throttle openings 66 are formed on the throttle member 62.
  • valve 60 For further features of the valve 60, reference is made to the description of the previous embodiment.
  • a hydraulic or pneumatic unit such as a hydraulic or pneumatic unit for a brake system of
  • the above-described throttle members 52 and 62 may be manufactured by performing a manufacturing process for a throttle member 52 or 62 for a hydraulic or pneumatic valve 50 or 60 including a valve body 12.
  • the throttle member 52 or 62 is formed such that the throttle member 52 or 62 on and / or in the valve body 12 comprehensive valve 50 or 60 can be fastened, wherein at least one throttle opening 54 or 66 of the throttle member 52 or 62 is formed such that a throttle opening diameter Dl of the single
  • Throttle member 62 is less than or equal to an opening diameter D2 a
  • Valve body opening 18a of the valve body 18 and / or less than or equal to 2.5 mm.
  • the valves 50 and 60 may be manufactured by a method of manufacturing a hydraulic or pneumatic valve 50 or 60 comprising the step of attaching a valve body 18 and a throttle member 52 or 62 to at least one throttle opening 54 or 66 and / or in the later hydraulic or pneumatic valve 50 or 60, with a
  • Throttle member 52 or a sum of throttle opening diameters of a plurality of throttle openings 66 of the throttle member 62 is less than or equal to an opening diameter D2 of a valve body opening 18a of the valve body 18 and / or less than or equal to 2.5 mm.

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

Abstract

L'invention concerne un élément d'étranglement (52) pour une soupape hydraulique ou pneumatique (50) comprenant un corps de soupape (18), lequel peut être fixé à et/ou dans la soupape (50, 60) comprenant le corps de soupape (18), un diamètre d'ouverture d'étranglement (D1) d'une seule ouverture d'étranglement (54) de l'élément d'étranglement (52) ou une somme des diamètres de plusieurs ouvertures d'étranglement de l'élément d'étranglement étant inférieur ou égal à un diamètre d'ouverture (D2) d'une ouverture de corps de soupape (18a) du corps de soupape (18) et/ou inférieur ou égal à 2,5 mm. L'invention concerne également une soupape hydraulique ou pneumatique (50) et un groupe hydraulique ou pneumatique destiné à un système de freinage d'un véhicule. L'invention concerne par ailleurs un procédé de fabrication d'un élément d'étranglement (52) pour une soupape hydraulique ou pneumatique (50) comprenant un corps de soupape (18), et un procédé de fabrication d'une soupape hydraulique ou pneumatique (50).
PCT/EP2018/076302 2017-12-05 2018-09-27 Élément d'étranglement et soupape hydraulique ou pneumatique Ceased WO2019110163A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017221858.4A DE102017221858A1 (de) 2017-12-05 2017-12-05 Drosselbauteil und hydraulisches oder pneumatisches Ventil
DE102017221858.4 2017-12-05

Publications (1)

Publication Number Publication Date
WO2019110163A1 true WO2019110163A1 (fr) 2019-06-13

Family

ID=63722377

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/076302 Ceased WO2019110163A1 (fr) 2017-12-05 2018-09-27 Élément d'étranglement et soupape hydraulique ou pneumatique

Country Status (2)

Country Link
DE (1) DE102017221858A1 (fr)
WO (1) WO2019110163A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113408064B (zh) * 2020-03-17 2023-07-21 重庆川仪调节阀有限公司 套筒调节阀等百分比节流套筒开孔确定方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4202389A1 (de) * 1992-01-29 1993-08-05 Bosch Gmbh Robert Hydraulische bremsanlage, insbesondere fuer kraftfahrzeuge
DE4312414A1 (de) * 1993-04-16 1994-10-20 Bosch Gmbh Robert Ventilanordnung für eine Bremsblockierschutz-Einrichtung
WO1995013945A1 (fr) * 1993-11-18 1995-05-26 Itt Automotive Europe Gmbh Valve electromagnetique, en particulier pour systemes de freinage hydrauliques avec anti-patinage
JP2014177952A (ja) * 2013-03-13 2014-09-25 Hitachi Automotive Systems Ltd 電磁弁
DE102013222368A1 (de) * 2013-11-04 2015-05-07 Robert Bosch Gmbh Ventileinrichtung, Bremssystem
FR3027356A1 (fr) * 2014-10-17 2016-04-22 Peugeot Citroen Automobiles Sa Dispositif de limitation de pic de couple

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4202389A1 (de) * 1992-01-29 1993-08-05 Bosch Gmbh Robert Hydraulische bremsanlage, insbesondere fuer kraftfahrzeuge
DE4312414A1 (de) * 1993-04-16 1994-10-20 Bosch Gmbh Robert Ventilanordnung für eine Bremsblockierschutz-Einrichtung
WO1995013945A1 (fr) * 1993-11-18 1995-05-26 Itt Automotive Europe Gmbh Valve electromagnetique, en particulier pour systemes de freinage hydrauliques avec anti-patinage
JP2014177952A (ja) * 2013-03-13 2014-09-25 Hitachi Automotive Systems Ltd 電磁弁
DE102013222368A1 (de) * 2013-11-04 2015-05-07 Robert Bosch Gmbh Ventileinrichtung, Bremssystem
FR3027356A1 (fr) * 2014-10-17 2016-04-22 Peugeot Citroen Automobiles Sa Dispositif de limitation de pic de couple

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