WO1999050116A1 - Elektromagnetventil - Google Patents
Elektromagnetventil Download PDFInfo
- Publication number
- WO1999050116A1 WO1999050116A1 PCT/EP1999/002070 EP9902070W WO9950116A1 WO 1999050116 A1 WO1999050116 A1 WO 1999050116A1 EP 9902070 W EP9902070 W EP 9902070W WO 9950116 A1 WO9950116 A1 WO 9950116A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve
- piston
- valve piston
- pressure medium
- pressure
- Prior art date
Links
- 230000005284 excitation Effects 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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
- B60T8/48—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 connecting the brake actuator to an alternative or additional source of fluid pressure, e.g. traction control systems
- B60T8/4809—Traction control, stability control, using both the wheel brakes and other automatic braking systems
- B60T8/4827—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems
- B60T8/4863—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems closed systems
- B60T8/4872—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems closed systems pump-back systems
- B60T8/4881—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems closed systems pump-back systems having priming means
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87265—Dividing into parallel flow paths with recombining
- Y10T137/87378—Second valve assembly carried by first valve head
- Y10T137/87394—Carried valve is direct response valve [e.g., check valve, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87265—Dividing into parallel flow paths with recombining
- Y10T137/87507—Electrical actuator
Definitions
- the invention relates to an electromagnetic valve according to the preamble of patent claim 1.
- the construction presented can have disadvantages with regard to the assembly of the details in the valve housing, in particular on the valve piston, and also with regard to the suitability of the electromagnetic valve for easy venting and filling of the connected brake system.
- FIG. 1 shows the basic circuit arrangement of the electromagnetic valve in connection with the functionally essential features of a brake system with driving dynamics control
- Fig. 2 shows a constructive embodiment of the electromagnetic valve according to the invention.
- FIG. 1 shows the hydraulic circuit diagram for a hydraulic brake system with wheel slip control as well as for driving dynamics control or driving stability control of a motor vehicle.
- the electromagnetic valve 15 is designed as a 2/2 directional control valve in a line branch 22 of the two brake circuits.
- This line branch 22 forms a suction path from the brake pressure transmitter 6 to the high-pressure pump 5, which in a wheel slip or driving dynamics control conveys pressure medium into the brake lines leading to the wheel brakes.
- the brake system shown has a precharging device 17, which in the present exemplary embodiment is arranged as a precharging pump between the reservoir 18 and the brake pressure transmitter 6. This is one of several possible embodiments for realizing a precharge, so that i.a. even with a corresponding design, for example, an externally actuated brake booster upstream of the brake pressure transmitter 6 can be used.
- FIG. 2 shows an expedient embodiment of the electromagnetic valve 15 according to the invention in a sectional view.
- the solenoid valve 15 has a cartridge-type construction which is inserted into a block-shaped receiving body 23. screwed or pressed in valve housing 9, in which an axially movably attached to a magnet armature 11 valve stem 8 is guided. Beneath the valve tappet 8 is a valve piston 7, which is also axially movable in the valve housing 9 and is penetrated by a pressure medium passage 3 which is coaxial to the valve tappet 8 and has an aperture-shaped cross section. The pressure medium passage 3 is closed by the valve tappet 8 in the electromagnetically non-energized position of the valve under the action of a compression spring 12.
- a further annular pressure medium passage 4 which is arranged between the valve piston 7 and a step of the valve housing 9 and has a comparatively large cross section, is closed by the valve piston 7 in the basic position of the electromagnetic valve 15 .
- Pressure medium channels 1, 2 open into the valve housing 9 on both sides of the valve piston 7, which, according to the illustration in the illustration, are normally separated from one another in the basic position of the electromagnetic valve 15, with the exception that only via a check valve 24 inserted into a bypass channel 24 'of the valve piston 7 a hydraulic connection is possible from the high pressure pump 5 in the direction of the brake pressure transmitter 6.
- the solenoid valve 15 remains in one in both wheel slip-free brake and brake release operation - 5 -
- the non-energized solenoid valve 15 completely separates the pump suction side from the brake pressure transmitter 6 in that the valve tappet 8 bears on the valve piston 7 and the valve piston 7 bears on the housing stage forming the valve seat by the pressure spring 12 resting on the magnet armature 11 , whereby the two pressure medium passages 3, 4 are closed.
- the pressure set by the foot force in the brake pressure transducer 6 also acts on the end face of the valve piston 7 facing the valve tappet 8, so that the valve tappet 8 together with the valve piston 7 hydraulically supports keep the pressure medium passages 3, 4 closed.
- the check valve 24 located in the bypass channel 24 ' is also pressed onto its valve seat by the hydraulic pressure of the brake pressure transmitter 6.
- valve piston 7 only releases the further, throttle-free pressure medium passage 4 if, on the one hand, the hydraulic pressure acting on the valve piston 7 in the valve closing direction is less than the pressure of a spring 10 which holds the valve piston 7 in Valve opening direction is actuated and when, on the other hand, the pressure medium passage 3 in the valve piston 7 is released by electromagnetic excitation of the valve by means of the valve tappet 8.
- the valve piston 7 can then move axially relative to the valve tappet 8 to release the pressure medium channel 4. Consequently, with a large hydraulic pressure difference between the pressure medium channels 1, 2 on the valve piston 7, only the diaphragm-shaped pressure medium passage 3 is open and with a small pressure difference, the valve piston 7 additionally releases the relatively large, throttle-free pressure medium passage 4 with spring force.
- This large pressure medium passage 4 is advantageously not impeded in terms of flow by the tied arrangement of the spring 10 on the valve piston 7.
- the proposed binding of the spring 10 enables a simplified assembly of the valve piston 7 in connection with the check valve 24 according to the illustration and the sleeve 14 in the valve housing 9.
- the spring 10 is axially movable together with the valve piston 7 in the sleeve 14 and is guided concentrically to the valve stem 8 and clamped between a cranked edge area at the bottom of the sleeve 14 and a collar 7 'on the valve piston 7.
- the valve piston 7 protrudes through the bent-off edge region of the sleeve 14 in the direction of the further pressure medium passage 4 and forms an independently manageable subassembly with the aforementioned components. Furthermore, the valve piston 7 has a right Bypass channel 24 'opening at an angle onto the stepped pressure medium passage 3, which is also provided with a bore step for receiving the spherical check valve 24.
- the check valve 24 blocks the bypass channel 24 'in the direction of the pressure medium channel 1 leading to the high pressure pump 5, so that the high pressure pump 5 only has a hydraulically switchable bypass connection within the solenoid valve 15 in the direction of the pressure medium passage 2 leading to the brake pressure transmitter 6.
- the check valve 24 integrated in the valve piston 7 ensures optimal ventilation and filling of the pressure medium channel 1 in the closed basic position.
- the check valve 24 enables pressure equalization between the two pressure medium channels 1, 2 if temperature-dependent pressure fluctuations are to be expected in the brake release position. In any case, the formation of negative pressure in the pressure medium channel 1 is prevented when the pressure medium passages 3, 4 are closed.
- a particularly inexpensive to manufacture and handle construction results from the fact that the valve piston 7 is clamped axially movably with its collar 7 'located at the level of the valve closing member between the spring 10 and an offset 25 arranged on the edge of the sleeve 14.
- the spring 10 pushed onto the valve piston 7 extends over the bypass channel 24 ', as a result of which the check valve 24 is prevented from falling out in a simple manner.
- the sleeve 14 is at least partially guided along a wall of the bore in the valve housing 9 and at the same time positioned against a small housing step.
- the bottom of the sleeve 14 forming the abutment for the spring 10 already ends away from the pressure medium passage 4, so that the sleeve 14 has no flow obstacle between the two pressure 8th -
- the valve housing 9 is preferably designed as a turned part in which the armature 11 is guided in sections with the valve tappet 8. Between the magnet armature 11 and the dome-shaped sleeve section on the valve housing 9, which receives a magnet core 13, there is the compression spring 12 mentioned at the outset, which acts on the end of the magnet armature 11 which is remote from the valve piston 7.
- the valve piston 7 is also designed as a rotating part sleeve-shaped and centered in the valve housing 9 via the sleeve 14.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020007010448A KR20010042092A (ko) | 1998-03-31 | 1999-03-26 | 전자기밸브 |
US09/647,228 US6435210B1 (en) | 1998-03-31 | 1999-03-26 | Electromagnetic valve |
EP99914545A EP1068119A1 (de) | 1998-03-31 | 1999-03-26 | Elektromagnetventil |
JP2000541047A JP2002509839A (ja) | 1998-03-31 | 1999-03-26 | 電磁バルブ |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19814307 | 1998-03-31 | ||
DE19814307.9 | 1998-03-31 | ||
DE19836493A DE19836493B4 (de) | 1998-03-31 | 1998-08-12 | Elektromagnetventil |
DE19836493.8 | 1998-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999050116A1 true WO1999050116A1 (de) | 1999-10-07 |
Family
ID=26045145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1999/002070 WO1999050116A1 (de) | 1998-03-31 | 1999-03-26 | Elektromagnetventil |
Country Status (4)
Country | Link |
---|---|
US (1) | US6435210B1 (de) |
EP (1) | EP1068119A1 (de) |
JP (1) | JP2002509839A (de) |
WO (1) | WO1999050116A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021212281A1 (de) | 2021-11-01 | 2023-05-04 | Continental Automotive Technologies GmbH | Elektromagnetventil, insbesondere zur Anordnung zwischen einem hydrauli-schen Druckerzeuger und einer schlupfgeregelten Radbremse |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8066255B2 (en) * | 2001-07-25 | 2011-11-29 | Chia-Ping Wang | Solenoid gas valve |
DE10252231A1 (de) * | 2002-04-26 | 2003-11-06 | Continental Teves Ag & Co Ohg | Elektromagnetventil, insbesondere für schlupfgeregelte Kraftfahrzeugbremsanlagen |
JP3819867B2 (ja) * | 2002-05-15 | 2006-09-13 | 日信工業株式会社 | 電磁弁 |
DE10323595A1 (de) * | 2003-05-16 | 2004-12-09 | Hydac Fluidtechnik Gmbh | Ventil |
ITTO20030761A1 (it) * | 2003-09-30 | 2005-04-01 | Fiat Ricerche | Sistema per il controllo del riempimento di un serbatoio |
JP4203906B2 (ja) * | 2004-03-31 | 2009-01-07 | 株式会社デンソー | 電磁弁およびそれを用いた蒸発燃料処理システム |
DE102006020692A1 (de) * | 2006-05-04 | 2007-11-08 | Robert Bosch Gmbh | Druckregelventil mit Notfahr- und Belüftungsfunktion |
DE102008014099B4 (de) * | 2007-03-27 | 2012-08-23 | Mando Corp. | Ventil für ein Antiblockierbremssystem |
US7866625B2 (en) * | 2007-10-11 | 2011-01-11 | Mando Corporation | Solenoid valve for brake system |
KR101187197B1 (ko) * | 2007-10-11 | 2012-10-02 | 주식회사 만도 | 브레이크시스템용 솔레노이드밸브 |
DE102008041735B3 (de) * | 2008-09-01 | 2010-01-21 | Zf Friedrichshafen Ag | Verstellbares Dämpfventil |
US8443839B2 (en) * | 2009-10-20 | 2013-05-21 | Eaton Corporation | Fluid-biased hydraulic control valve with armature piston |
DE102011076556A1 (de) * | 2011-05-26 | 2012-11-29 | Continental Teves Ag & Co. Ohg | Elektromagnetventil, insbesondere für schlupfgeregelte Kraftfahrzeugbremsanlagen |
DE102013223103A1 (de) * | 2013-09-23 | 2015-04-09 | Robert Bosch Gmbh | Ventil, insbesondere Magnetventil |
JP6315678B2 (ja) * | 2014-03-28 | 2018-04-25 | オートリブ日信ブレーキシステムジャパン株式会社 | ブレーキ液圧発生装置 |
US11318923B2 (en) * | 2016-03-30 | 2022-05-03 | Autoliv Nissin Brake Systems Japan Co., Ltd. | Solenoid valve, vehicle brake hydraulic pressure control apparatus and solenoid valve fabrication method |
DE102018132448A1 (de) * | 2018-12-17 | 2020-06-18 | ECO Holding 1 GmbH | Expansionsventil für Kältemittel und Klimaanlage, Wärmemanagementsystem und Batteriekühlsystem mit einem Expansionsventil |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19529724A1 (de) * | 1995-08-12 | 1997-02-13 | Teves Gmbh Alfred | Elektromagnetventil, insbesondere für hydraulische Kraftfahrzeugbremsanlagen mit Radschlupfregelung |
WO1997028391A1 (de) * | 1996-01-31 | 1997-08-07 | Itt Manufacturing Enterprises, Inc. | Elektromagnetventil |
WO1999008915A1 (de) * | 1997-08-14 | 1999-02-25 | Continental Teves Ag & Co. Ohg | Sitzventil |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2084030A (en) * | 1936-05-14 | 1937-06-15 | E C Atkins And Company | Combined electrically and hydraulically controlled valve |
GB1322107A (en) * | 1971-02-26 | 1973-07-04 | Fiat Spa | Two-way two-position electrically controlled valve |
US4623118A (en) * | 1982-08-05 | 1986-11-18 | Deere & Company | Proportional control valve |
DE4112920A1 (de) | 1991-04-19 | 1992-10-22 | Teves Gmbh Alfred | Elektromagnetventil, insbesondere fuer schlupfgeregelte kraftfahrzeugbremsanlagen |
DE4236482A1 (de) | 1992-10-29 | 1994-05-05 | Bosch Gmbh Robert | Magnetventil |
DE4331568C2 (de) * | 1993-09-16 | 2001-10-18 | Buerkert Gmbh | Pilotgesteuertes Ventil für Kraftfahrzeug-Tankanlagen |
WO1996015926A1 (de) * | 1994-11-24 | 1996-05-30 | Robert Bosch Gmbh | Elektromagnetisch steuerbare ventilanordnung |
DE19504077A1 (de) * | 1995-02-08 | 1996-08-14 | Bosch Gmbh Robert | Magnetventil mit Druckbegrenzung für schlupfgeregelte Kraftfahrzeug-Bremsanlagen |
DE19529363A1 (de) * | 1995-08-10 | 1997-02-13 | Bosch Gmbh Robert | Steuerbares Ventil |
DE19530899C2 (de) * | 1995-08-23 | 2003-08-21 | Bosch Gmbh Robert | Magnetventil, insbesondere für eine schlupfgeregelte, hydraulische Bremsanlage für Kraftfahrzeuge |
JP3551221B2 (ja) * | 1996-09-10 | 2004-08-04 | 日清紡績株式会社 | 液圧ブレーキ装置における液圧制御弁装置 |
DE19700405A1 (de) | 1997-01-09 | 1998-07-16 | Teves Gmbh Alfred | Magnetventil |
DE19708425A1 (de) * | 1997-03-01 | 1998-09-03 | Itt Mfg Enterprises Inc | Hydraulische Fahrzeugbremsanlage |
-
1999
- 1999-03-26 JP JP2000541047A patent/JP2002509839A/ja active Pending
- 1999-03-26 EP EP99914545A patent/EP1068119A1/de not_active Withdrawn
- 1999-03-26 WO PCT/EP1999/002070 patent/WO1999050116A1/de not_active Application Discontinuation
- 1999-03-26 US US09/647,228 patent/US6435210B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19529724A1 (de) * | 1995-08-12 | 1997-02-13 | Teves Gmbh Alfred | Elektromagnetventil, insbesondere für hydraulische Kraftfahrzeugbremsanlagen mit Radschlupfregelung |
WO1997028391A1 (de) * | 1996-01-31 | 1997-08-07 | Itt Manufacturing Enterprises, Inc. | Elektromagnetventil |
WO1999008915A1 (de) * | 1997-08-14 | 1999-02-25 | Continental Teves Ag & Co. Ohg | Sitzventil |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021212281A1 (de) | 2021-11-01 | 2023-05-04 | Continental Automotive Technologies GmbH | Elektromagnetventil, insbesondere zur Anordnung zwischen einem hydrauli-schen Druckerzeuger und einer schlupfgeregelten Radbremse |
Also Published As
Publication number | Publication date |
---|---|
JP2002509839A (ja) | 2002-04-02 |
EP1068119A1 (de) | 2001-01-17 |
US6435210B1 (en) | 2002-08-20 |
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