WO2006097363A1 - Vanne electromagnetique - Google Patents

Vanne electromagnetique Download PDF

Info

Publication number
WO2006097363A1
WO2006097363A1 PCT/EP2006/050067 EP2006050067W WO2006097363A1 WO 2006097363 A1 WO2006097363 A1 WO 2006097363A1 EP 2006050067 W EP2006050067 W EP 2006050067W WO 2006097363 A1 WO2006097363 A1 WO 2006097363A1
Authority
WO
WIPO (PCT)
Prior art keywords
cartridge body
magnetic
armature
valve according
housing
Prior art date
Application number
PCT/EP2006/050067
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 WO2006097363A1 publication Critical patent/WO2006097363A1/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
    • F16K31/0603—Multiple-way valves
    • F16K31/0624—Lift valves
    • F16K31/0627—Lift valves with movable valve member positioned between seats
    • F16K31/0631—Lift valves with movable valve member positioned between seats with ball shaped valve members
    • 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
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/025—Electrically controlled valves
    • B60T15/028—Electrically controlled valves 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
    • B60T8/363—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

Definitions

  • the invention relates to a solenoid valve according to the preamble of patent claim 1.
  • the valve housing receives a cooperating with a magnet armature valve closure member which is directed to a valve seat in the valve housing.
  • a magnet coil is provided, which generates a magnetic field during electrical energization, the lines of force via an axial air gap in the magnet armature axially on and radially emerge through the armature jacket surface in the direction of the valve housing.
  • a non-ferromagnetic spacer ring which must be sealed between the valve body and the pole core, so that the hydraulic pressure does not escape via the magnetic coil into the atmosphere.
  • the magnetic drive can only be inserted into the tubular valve housing when first the spacer ring and the pole core have been used as separate parts in the valve housing and pressed together liquid-tight.
  • FIG. 1 shows a first embodiment of the subject invention in the form of a closed in the basic position solenoid valve
  • Figure 2 shows a variant of the embodiment of the solenoid valve of Figure 1 with a cartridge body, on whose non-magnetic region, a plate spring is welded.
  • FIG. 1 shows a longitudinally sectioned, shown as a 2/2-way poppet valve solenoid valve, which has a cartridge in two parts executed valve housing, consisting of a cartridge body 5 and a cartridge body 5 attached to the housing pot 7, which with a magnet armature.
  • 3 cooperating valve closure member 14th in the form of a centrally located on the armature ball receives, which is directed to a valve seat 8 in the housing pot 7.
  • a magnet coil 1 is advantageously integrated in the cartridge body 5.
  • Radially inward as well as radially outward to the magnetic coil 1 is the magnetic flux conducting part of the cartridge body 5, wherein the ferromagnetic conductive part of the cartridge body 5 is interrupted below the magnetic coil 1 by a magnetic flux non-conductive portion 17 to avoid a magnetic short circuit.
  • Axiallufttspalt 2 Between the magnetically conductive part and the magnetically non-conductive portion 17 of the cartridge body 5 and the armature 3 is Axiallufttspalt 2, whereby at current-carrying magnetic coil 1 via this Axialluftspalt 2 of the armature 3 an axial entry and exit of magnetic field lines 4 in the manner shown is exposed .
  • one of the magnetic coil 1 facing end face of the armature 3 covers a the outer periphery of the magnetic coil 1 enclosing, the magnetic flux conducting part of the cartridge body 5, which is why the outer diameter of the magnet armature 3 is chosen to be larger than the outer diameter of the magnet coil 1.
  • the magnet coil 1 is advantageously inserted from above into a matched to the size of the magnetic coil 1 annular groove 6 of the cartridge body 5, both sides of the magnetically conductive part of the cartridge body. 5 is limited.
  • the magnetic coil 1 is covered above the annular groove 6 by a magnetic closing disc 22 which rests flat on the magnetically conductive part of the cartridge body 5 for closing the magnetic circuit.
  • the invention is thus based on the idea of integrally forming a part conducting the magnetic flux as well as a section 17 which does not conduct the magnetic flux or only slightly, within the cartridge body 5 and integrating the magnetic coil 1 in the cartridge body 5 in order to achieve a compact, leak-free as possible Get assembly for the magnetic drive, which can be produced as easily as possible in mass production.
  • the bottom of the cartridge body 5 is provided in the region of the cross-sectional weakening in a simple manner with at least one weld seam 18 extending concentrically or spirally along the bottom.
  • an austenitic annular disc 19 is arranged on the section 17, which is advantageously held by the weld 18 at the bottom of the cartridge body 5.
  • the magnetic flux is attenuated in section 17 so far that the electromagnetic field actuation of the magnet armature 3 shown magnetic field line is ensured.
  • the cartridge body 5 forms with the magnetic coil 3 and the non-magnetic annular disc 19 is an independently manageable assembly, with a non-magnetic housing pot 7 is connected fluid-tight, in which the armature 3 is arranged axially movable with the valve closing member 14.
  • the armature 3 is designed as a plate anchor in order to achieve the lowest possible valve height with the best use of magnetic force can.
  • To reduce the hydraulic resistance of the armature 3 is provided with a plurality of distributed over the armature surface symmetrically to the valve longitudinal axis through holes 13 and / or if necessary, also on the outer circumference with symmetrically distributed recesses.
  • the armature 3 and the through holes 13 and possibly also the recesses are made particularly efficient by punching the magnet armature 3.
  • the magnetic flux conducting part of the cartridge body 5 consists in the two embodiments of a preferably produced by cold striking or extrusion or possibly also by machining of free cutting steel cylinder part, which is known per se from the prior art individual components, consisting of one in the magnetic coil 1 inserted pole core and the outer circumference of the magnetic coil 1 enclosing yoke ring, now united as a homogeneous unit extremely appropriate.
  • the cartridge body 5 is inserted with the attached housing pot 7 in the valve receiving bore 16 of a plurality of pressure medium channels 9, 10 having housing 11 liquid-tight.
  • the cartridge body 5 is made of a material harder with respect to the material of the housing 11 having a step on the outer periphery with a recess 12 into which the cartridge body 5 during the pressing of the cartridge body 16 softer material of the housing 11 is displaced.
  • the magnetic field non-conductive housing pot 7 consists of a particularly cost-effective and precisely manufactured by deep-drawing sleeve part, the sleeve edge is attached to the magnetic flux conducting portion of the cartridge body 5 pressure medium-tight, preferably by means of a welded connection.
  • the bottom of the pot is provided with an opening which is bounded by a valve seat 8, which is preferably produced by the execution of the thin-walled sleeve part as austenitic sheet metal part in the embossing process.
  • embossing opening 15 is located below the magnet armature 3 in the lateral surface of the housing pot 7 in order to connect the horizontally extending in block-shaped housing 11 pressure fluid channel 9 with a arranged below the valve seat 8 in the housing 11 pressure medium channel 10 can.
  • a plate spring 20 is arranged, which keeps the armature 3 to the axial air gap 2 from the magnetic part of the cartridge body 5 in the electrically non-energized state of the magnetic coil 1.
  • the use of a plate spring 20 favors a particularly low valve height.
  • FIG. 2 shows the electromagnetic valve, which is closed in the basic position and has an annular disk 19 which is modified with respect to FIG. 1 and which has the contour of one between the cartridge body 5 and the disk-shaped one Magnet armature 3 has a clamping plate spring whose inner circumference is connected via the weld 18 to the bottom of the cartridge body 5, so that the plate spring rests with its outer periphery of the front side of the disc-shaped armature 3. Due to the design of the annular disc 19 as a plate spring results in a further reduction of the manufacturing effort by the known from Figure 1 separate disc spring 20 can be omitted if desired or required.
  • the electromagnetic valves presented are preferably used in a slip-controlled vehicle brake system for which the block-shaped housing 11 shown only in sections has a plurality of valve receiving bores in one or more rows for receiving the illustrated normally closed solenoid valves in a surface of the housing 11 without any protrusion are admitted.
  • the block-shaped housing 11 is particularly low due to the low height of the illustrated solenoid valves.
  • the illustrated solenoid valves fulfill the function of selectively influencing the brake pressure and the brake pressure reduction in the wheel brakes in the slip control case by means of suitable control electronics, which preferably abut flatly and thus extremely compactly on the upper side of the electromagnetic valves on the housing 11.
  • the proposed features according to the invention result in a particularly short electrical Solenoid valve in various embodiments with respect to the previously known valves approximately twice as large magnetic force.
  • the inventively proposed solenoid valves can be completely submerged in the housing 11, which is ensured by the complete integration of the solenoid 1 in the cartridge body 5 and due to the complete integration of the valve housing in the channel-guiding housing 11 excellent heat dissipation for the magnetic drive.
  • the complete integration of the solenoid valves in the block-shaped housing 11 also facilitates the arrangement of a control electronics required for the activation of the solenoid valves, which is preferably arranged directly on the surface of the housing 11, from which the contacts 21 of the magnetic coil 1 protrude. This results in a good heat dissipation for the control electronics, since the housing 11 is preferably made of a light metal alloy and acts as a heat sink.

Landscapes

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

Abstract

L'invention concerne une vanne électromagnétique dont la partie conduisant le flux magnétique se présente sous la forme d'un corps à cartouche (5) pouvant obturer le logement de réception (16) de la vanne de façon étanche au fluide de pression, la bobine magnétique (1) étant intégrée dans ce corps de façon particulièrement compacte.
PCT/EP2006/050067 2005-03-14 2006-01-06 Vanne electromagnetique WO2006097363A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102005011550.0 2005-03-14
DE102005011550 2005-03-14
DE102005035294.4 2005-07-28
DE102005035294A DE102005035294A1 (de) 2005-03-14 2005-07-28 Elektromagnetventil

Publications (1)

Publication Number Publication Date
WO2006097363A1 true WO2006097363A1 (fr) 2006-09-21

Family

ID=35998392

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/050067 WO2006097363A1 (fr) 2005-03-14 2006-01-06 Vanne electromagnetique

Country Status (2)

Country Link
DE (1) DE102005035294A1 (fr)
WO (1) WO2006097363A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007040691B4 (de) 2007-08-29 2019-02-07 Schaeffler Technologies AG & Co. KG Elektromagnetventil und Herstellungsverfahren für ein Elektromagnetventil
DE102008020101B4 (de) * 2008-04-22 2013-12-24 Staiger Gmbh & Co. Kg Ventil
DE102008023182A1 (de) * 2008-05-10 2009-11-12 Staiger Gmbh & Co. Kg Ventil
DE102011003169A1 (de) * 2011-01-26 2012-07-26 Continental Teves Ag & Co. Ohg Magnetventil
DE102012200156A1 (de) * 2012-01-06 2013-07-11 Continental Teves Ag & Co. Ohg Elektromagnetventil

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1285270B (de) * 1965-03-11 1968-12-12 Buehler Ag Geb Hydraulischer Druckregler mit elektromagnetischem Stellglied
DE3804011C1 (en) * 1988-02-10 1989-07-13 Leopold Kostal Gmbh & Co Kg, 5880 Luedenscheid, De Solenoid valve arrangement
DE9114953U1 (de) * 1991-12-02 1993-04-01 Steuerungstechnik Staiger GmbH & Co Produktions-Vertriebs-KG, 7121 Erligheim Ventil
DE4419446A1 (de) * 1994-06-03 1995-12-07 Staiger Steuerungstech Ventil
US6598944B1 (en) * 1998-10-28 2003-07-29 Robert Bosch Gmbh Electromagnetic device, especially for an anti-slip, hydraulic vehicle brake system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1285270B (de) * 1965-03-11 1968-12-12 Buehler Ag Geb Hydraulischer Druckregler mit elektromagnetischem Stellglied
DE3804011C1 (en) * 1988-02-10 1989-07-13 Leopold Kostal Gmbh & Co Kg, 5880 Luedenscheid, De Solenoid valve arrangement
DE9114953U1 (de) * 1991-12-02 1993-04-01 Steuerungstechnik Staiger GmbH & Co Produktions-Vertriebs-KG, 7121 Erligheim Ventil
DE4419446A1 (de) * 1994-06-03 1995-12-07 Staiger Steuerungstech Ventil
US6598944B1 (en) * 1998-10-28 2003-07-29 Robert Bosch Gmbh Electromagnetic device, especially for an anti-slip, hydraulic vehicle brake system

Also Published As

Publication number Publication date
DE102005035294A1 (de) 2006-09-21

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