WO2007090847A1 - Vanne hydraulique - Google Patents

Vanne hydraulique Download PDF

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Publication number
WO2007090847A1
WO2007090847A1 PCT/EP2007/051169 EP2007051169W WO2007090847A1 WO 2007090847 A1 WO2007090847 A1 WO 2007090847A1 EP 2007051169 W EP2007051169 W EP 2007051169W WO 2007090847 A1 WO2007090847 A1 WO 2007090847A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
hydraulic valve
coil
pressure
valve housing
Prior art date
Application number
PCT/EP2007/051169
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 WO2007090847A1 publication Critical patent/WO2007090847A1/fr

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/02—Coils wound on non-magnetic supports, e.g. formers
    • 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

Definitions

  • the invention relates to a hydraulic valve according to the preamble of patent claim 1.
  • FIG. 1 shows a first embodiment of a bobbin carrier provided with a plurality of slot-shaped pressure compensation openings
  • FIG. 2 shows the coil carrier according to FIG. 1 installed in a hydraulic valve
  • Figure 3 is an alternative to Fig. 1, 2 embodiment of the bobbin, which is provided instead of slot-shaped pressure equalization openings with a plurality of circular holes.
  • FIG. 1 shows a first invention relevant embodiment of a provided with a plurality of slot-shaped pressure equalization openings 28 bobbin 27 so that after arranging a solenoid coil 1 on the bobbin 27, the condition is created to be able to apply the solenoid coil 1 directly hydraulically.
  • the slot-shaped pressure equalization openings 28 are distributed as vertically extending slots uniformly over the circumference of the lateral surface of the bobbin 27.
  • FIG. 2 shows the bobbin carrier 27 according to FIG. 1 fitted around the magnetic coil winding 1, fitted in a hydraulic valve which is identical to the hydraulic valve according to FIG.
  • FIG. 3 a plurality of circular holes in the coil carrier 27 are shown in FIG. 3 instead of the slot-shaped pressure equalization openings.
  • the pressure compensation openings 28 are distributed uniformly over the circumference of the lateral surface of the coil carrier 27 as holes arranged vertically one above the other, which are connected to the magnetic coil winding 1 in the ready-assembled state inside the coil. housing 6 of a hydraulic valve is shown.
  • the largest possible number of symmetrical pressure compensation openings 28 are provided along the circumference of the bobbin 27, via which a hydraulic pressure-compensated effect on the solenoid coil 1 can be achieved.
  • each coil carrier 27 illustrated has the two end disks known per se, between which the cylinder section provided with the pressure compensation openings 28 is arranged.
  • the multi-sided open design of the bobbin 27 has the advantage that, in contrast to a closed bobbin 27 air inclusions between the turns of the solenoid coil winding 1 are prevented, so that a largely uniform hydraulic loading of the wire windings is possible, in particular under pulsationsför- miger hydraulic loading, such as When used in hydraulic valves for slip-controlled brake systems, they reduce the risk of uncontrolled movement of the wire windings and thus the risk of a short-circuit in the magnet coil winding 1.
  • the magnet coil winding 1 in the coil support 27 can be acted upon hydraulically at any time, the magnet coil winding 1 has a particularly liquid-resistant insulating lacquer in all illustrated embodiments, so that chemical changes as well as non-uniform mechanical stresses of the wire insulation are ruled out.
  • the magnet coil winding 1 has a particularly liquid-resistant insulating lacquer in all illustrated embodiments, so that chemical changes as well as non-uniform mechanical stresses of the wire insulation are ruled out.
  • FIG. 2/2-way valve seat hydraulic valve has a designed in cartridge design valve housing 6 which receives a actuatable by a magnetic armature 3 valve closure member 14 concentric with a valve seat 8 in the valve housing. 6 is directed.
  • the solenoid coil 1 is integrated with the coil support 27 directly in the valve housing 6, both of which are arranged in a magnetic flux conducting portion 5 of the valve housing 6 and fixedly connected to this section 5. Between the magnetic portion 5 and an end face of the armature 3, an axial gap 2 is provided, which is bridged as well as a provided between a lateral surface of the armature 3 and the valve housing 6 radial gap 4 during electromagnetic excitation of magnetic field lines.
  • valve housing 6 has a magnetic flux conducting further section 7, the liquid-tightly abuts the front side of the magnetic portion 5, wherein the further portion 7 in the lower region of the valve seat 8 and a few pressure medium channels 9, 10 receives.
  • Both sections 5, 7 of the valve housing 6 are designed as firmly connected to each other cartridge-shaped housing halves, in which advantageously the magnetic coil 1 according to the principle of a plunger space-optimized and integrated low resistance with respect to the magnetic field.
  • the solenoid coils 1 is therefore exposed via the pressure medium channels 9, 10 of the in the valve housing 6 under pressure as well as outflowing liquid.
  • At least one of the two cartridge-shaped sections 5, 7 of the valve housing 6, which are made thick-walled for use in high-pressure hydraulic systems, has a recess 24 adapted to the magnetic coil contour for integrating the magnetic coil formed from the magnet coil winding 1 and the coil carrier 27, in which the magnetic coil Well received, securely attached and is acted upon directly in the region of its inner circumference by the valve housing 6 by flowing liquid, provided that due to the open position of the valve closure member 14, a corresponding pressure supply into the valve housing 6.
  • the magnet armature 3 thus immersed liquid-flushed in sections in the magnetic coil, which is integrated in the recess 24 of the section 5.
  • valve housing 6 thus consists only of two cartridge halves, the upper half of the housing is formed by the recess 24 provided with the portion 5 and the lower half of the housing through the further portion 7 which carries the valve seat 8.
  • Both sections 5, 7 have, in all embodiments, mutually facing, annular disk-shaped end surfaces, which are connected to each other in a liquid-tight manner by means of a circumferential weld 21.
  • the magnetic coil 1 receiving portion 5 is provided with an atmosphere-directed through hole 13 through which a connected to the magnetic coil winding 1 electrical contact 23 is passed gas and liquid tight.
  • the pin-shaped contact 23 is injected into the plastic of the bobbin 27 held.
  • a sealing washer 15 is inserted, which advantageously the liquid-tight from the magnetic coil 1 protruding electrical contact 23 in the direction of the passage opening 13 in the valve housing 6 surrounds.
  • the magnetic coil is either fixed in the recess 24 of the section 5 or fixed force-fit or positive fit over the plastic coating of the contact 23 in the through hole 13 of the valve housing 6.
  • the armature 3 has a height / width ratio that is equal to or less than one in magnitude, so that in practice the height of the magnet armature 3 inevitably does not exceed the outer diameter of the armature 3.
  • the recess 24 having portion 5 is formed as a cold impact part, the contour of which can be produced automatically by cold striking a magnetic flux conducting blank from which in a single operation advantageously the outside as well which is formed for receiving the magnetic coil 1 required inner contour.
  • the valve seat sleeve 26 having further portion 7 of the valve housing 6 is made as a cold-formed part of a tubular blank whose outer contour has a housing stage with an annular groove 12, in which for the attachment and sealing of the further portion 7 in the valve block 11 with respect to the section 7 softer Material of the valve block 11 is plastically displaced.
  • the magnetic flux conducting two-piece valve housing 6 thus consists in all embodiments of a preferably prepared by cold striking or extrusion of steel blank, so that is dispensed with the previously known from the prior art different machining and deep drawing manufacturing processes for the items of the valve body 6.
  • the magnet armature 3 can also be produced in a simplified manner by extrusion or cold striking.
  • the individual components hitherto known from the prior art such as the magnetic core, the magnetic closing disc and the yoke ring enclosing the magnetic coil, can thus be produced much more simply by cold-rolling a blank (valve housing 6) and form a predominantly homogeneous unit with a reduced number of parts.
  • the illustrated hydraulic valve has a filter element 24 arranged at the lower, cone-shaped stepped end of the section 7, which is embodied as a ring filter element and prevents dirt from entering the generally calibrated pressure medium channel 9.
  • a filter element 24 arranged at the lower, cone-shaped stepped end of the section 7, which is embodied as a ring filter element and prevents dirt from entering the generally calibrated pressure medium channel 9.
  • the magnetic core is formed for the closed in the basic position hydraulic valve in section 5 by a centrally formed to the valve longitudinal axis cylinder projection 25 into which from the direction of the axial gap 2, a blind bore 16 opens, which receives a compression spring 17, which between the end face of the armature 3 and the End of the blind bore 16 is clamped, whereby in the basic valve position of the armature 3 rests with the valve closure member 14 on the valve seat 8.
  • the closed in the basic position hydraulic valve further has on the side facing away from the compression spring 17 end face of the armature 3, a spherical valve closure member 14 which is pressed under the action of the compression spring 17 against the funnel-shaped valve seat 8.
  • the valve closing member 14 is sunk centrally by means of a capacitor welding in a blind bore 19 of the armature 3.
  • the valve seat sleeve 26 extends with a small clearance in the blind bore 19 so that the armature 3 on the valve seat sleeve 26 has an internal centering.
  • the lateral surface of the blind bore 19 has a longitudinal groove 18, so that in the electromagnetically open valve position a cross-section sufficiently large, low-resistance hydraulic connection between the two valve ports 20 is ensured in the valve block 11.
  • the desired sealing and fastening action of the further section 7 in the channel bore (vertical valve connection 20) is promoted by the embodiment of the pin-shaped pipe end in the form of a sawtooth or pine cone contour. Several grooves on the pin-shaped pipe end are also conceivable.
  • the proposed hydraulic valve is preferably used in a slip-controlled vehicle brake system, for which the valve block 11 shown only in sections has a multiplicity of valve receiving bores 22, which are embedded in the valve block 11 in a plurality of rows for receiving a plurality of hydraulic valves.
  • the valve block 11 is particularly flat due to the low height of the illustrated hydraulic valve.
  • the illustrated hydraulic valve in this case fulfills the function of selectively influencing the brake pressure increase and the brake pressure reduction in the wheel brakes in the slip control case by means of suitable control electronics, which preferably lie directly flat and thus extremely compact on the upper side of the hydraulic valves.
  • the result of the proposed inventive features a particularly short hydraulic valve with a hydraulic high loadable solenoid coil 1 in various embodiments.
  • the inventively proposed hydraulic valve can be completely submerged in the valve block 11 if necessary, being ensured by the complete integration of the solenoid coil 1 in the valve housing 6 and due to the extensive integration capacity of the valve housing 6 in the channel-guiding valve block 11 excellent heat dissipation for the magnetic drive.
  • the complete integration of the hydraulic valve in the block-shaped housing 11 not only facilitates the arrangement of a control electronics required for the activation of the hydraulic valves, which is preferably arranged directly on the surface of the section 5, from which the contacts 23 of the magnetic coil 1 protrude, but ensures a Good heat dissipation for the control electronics, as the section 5 and the valve block preferably made of a light metal alloy 11 act as a heat sink or large-sized cooling surface.

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  • 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 vanne hydraulique comprenant un corps (6) de vanne qui accueille un élément (14) de fermeture de vanne agissant conjointement avec une armature (3) mobile et dirigé sur un siège (8) de vanne dans le corps (6) de vanne, un enroulement (1) de bobine magnétique pour actionner l'armature (3) mobile. Pour éviter les inclusions d'air dans le support (27) de bobine, l'enroulement (1) de bobine magnétique est exposé directement à un liquide qui peut être injecté dans le corps (6) de vanne et évacué de celui-ci par le biais des canaux (9, 10) à fluide sous pression.
PCT/EP2007/051169 2006-02-10 2007-02-07 Vanne hydraulique WO2007090847A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102006006177.2 2006-02-10
DE102006006177 2006-02-10
DE102006013661A DE102006013661A1 (de) 2006-02-10 2006-03-24 Hydraulikventil
DE102006013661.6 2006-03-24

Publications (1)

Publication Number Publication Date
WO2007090847A1 true WO2007090847A1 (fr) 2007-08-16

Family

ID=37914278

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/051169 WO2007090847A1 (fr) 2006-02-10 2007-02-07 Vanne hydraulique

Country Status (2)

Country Link
DE (1) DE102006013661A1 (fr)
WO (1) WO2007090847A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10865755B2 (en) 2018-02-27 2020-12-15 Borgwarner Inc. Solenoid-actuated valve and hydraulic control module including the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8436820B2 (en) 2008-12-04 2013-05-07 Electronics And Telecommunications Research Institute Touchpad using resistive electro-conductive fiber and input device having the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239017B (de) * 1963-12-07 1967-04-20 Kirsch Bernhard Fa Spulenkoerper
DE3308685A1 (de) * 1983-03-11 1984-09-13 Robert Bosch Gmbh, 7000 Stuttgart Elektrische spule, insbesondere fuer eine brennkraftmaschine bestimmte zuendspule
DE19738633A1 (de) * 1996-09-05 1998-03-12 Bosch Gmbh Robert Elektromagnetisches Schaltventil
DE19834303A1 (de) * 1998-07-30 2000-02-03 Lopic Michael Magnetventil
EP1350999A1 (fr) * 2002-03-28 2003-10-08 Fluid Automation Systems S.A. Vanne électromagnétique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004015661B4 (de) * 2004-03-31 2007-08-23 Bosch Rexroth Ag Elektropneumatisches Ventil, insbesondere Vorsteuerventil für ein pneumatisches Wegeventil
DE102004037269B3 (de) * 2004-07-31 2005-12-29 Bosch Rexroth Ag Elektropneumatisches Ventil mit pneumatisch betätigtem Steuerkolben

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1239017B (de) * 1963-12-07 1967-04-20 Kirsch Bernhard Fa Spulenkoerper
DE3308685A1 (de) * 1983-03-11 1984-09-13 Robert Bosch Gmbh, 7000 Stuttgart Elektrische spule, insbesondere fuer eine brennkraftmaschine bestimmte zuendspule
DE19738633A1 (de) * 1996-09-05 1998-03-12 Bosch Gmbh Robert Elektromagnetisches Schaltventil
DE19834303A1 (de) * 1998-07-30 2000-02-03 Lopic Michael Magnetventil
EP1350999A1 (fr) * 2002-03-28 2003-10-08 Fluid Automation Systems S.A. Vanne électromagnétique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10865755B2 (en) 2018-02-27 2020-12-15 Borgwarner Inc. Solenoid-actuated valve and hydraulic control module including the same
US11333118B2 (en) 2018-02-27 2022-05-17 Borgwarner Inc. Solenoid-actuated valve and hydraulic control module including the same

Also Published As

Publication number Publication date
DE102006013661A1 (de) 2007-08-16

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