EP2852783A1 - Valve device for a hydraulic circuit, and oil pump control assembly - Google Patents
Valve device for a hydraulic circuit, and oil pump control assemblyInfo
- Publication number
- EP2852783A1 EP2852783A1 EP13719113.6A EP13719113A EP2852783A1 EP 2852783 A1 EP2852783 A1 EP 2852783A1 EP 13719113 A EP13719113 A EP 13719113A EP 2852783 A1 EP2852783 A1 EP 2852783A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- opening
- closing body
- hydraulic circuit
- valve device
- 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- Withdrawn
Links
- 230000004907 flux Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
-
- 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
- F16K31/0634—Lift valves with fixed seats positioned between movable valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/16—Controlling lubricant pressure or quantity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/24—Rotary-piston machines or pumps of counter-engagement type, i.e. the movement of co-operating members at the points of engagement being in opposite directions
-
- 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
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/44—Details of seats or valve members of double-seat valves
- F16K1/443—Details of seats or valve members of double-seat valves the seats being in series
-
- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
- F16K11/24—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members with an electromagnetically-operated valve, e.g. for washing machines
-
- 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1823—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for ball check valves
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
-
- 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
-
- 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
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
- F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
- F01M2001/0246—Adjustable pumps
-
- 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
- Y10T137/87917—Flow path with serial valves and/or closures
- Y10T137/88054—Direct response normally closed valve limits direction of flow
Definitions
- Valve device for a hydraulic circuit as well
- the invention relates to a valve device for a hydraulic circuit with an actuator unit with an electromagnetic circuit with a translationally movable armature, a core with a through hole, a current-supply coil and Flussleit peculiaren, a valve unit having a first opening, serving as an outlet second opening and a first valve closing body , which is connected to the armature and is loaded in the direction of a valve seat arranged between the first opening and the second opening by means of a spring element, a third opening which is formed at the actuator unit opposite end of the valve unit and a second valve closing body, which by hydraulic pressure is loaded in the direction of a formed between the first opening and the third opening second valve seat and which can be lifted by means of the first valve closing body from the second valve seat and an oil pump control arrangement mi t of such a valve device, a variable oil pump with a control chamber and an oil pan.
- valve devices serve to control the pressure of hydraulic actuators, for example in automatic transmission controls or to control the pressure in a control chamber of a variable oil pump of an oil circuit for lubricating an internal combustion engine of a motor vehicle.
- a ring of a delivery chamber on which the rotor of a vane or Gear pump rolls, shifted or twisted, whereby the delivery volume is changed.
- the pressure control valves used for these purposes for example, designed as a multi-way solenoid valves, by means of which the pump control chamber can be relieved either via the oil pan or charged with additional pressure from the delivery pressure of the oil pump.
- overpressure valves which limit the maximum delivery pressure are often installed in the control circuit.
- Such a system for controlling the pressure in two control chambers of an oil pump with a solenoid valve is known for example from DE 11 2008 000 978 T5.
- the differential pressure between the two control chambers is changed depending on the delivery pressure and the position of the solenoid valve.
- this system has an overpressure valve, via which the oil can be returned from the pressure side of the pump to the suction side if the delivery pressure is too high.
- the disadvantage here is the use of an additional pressure relief valve.
- a function of the pressure relief valve integrating solenoid valve is known from DE 103 30 779 AI.
- the valve has a spring-loaded ball as the second closing body between an inlet port and the control port.
- a plate with projections is arranged between the armature and the core.
- this valve has the disadvantage that in order to avoid excessive required electromagnetic forces, the additional plate must be manufactured and installed. This results in a complex assembly, in particular for fixing the plate in the valve and a complicated production of the plate with the projections. To release the armature therefore a relatively strong spring must be used, which makes it necessary to provide an additional opposing spring force for the safety function below the ball.
- valve device to provide, in which the function of the positive pressure opening and the Druckregeins is combined in a valve device, the valve device should largely independent of the required pressure with small actuating forces and thus electromagnets to be operated. In order to avoid additional costs, as far as possible components should be saved and the assembly can be facilitated.
- valve device having the features of claim 1 and an oil pump control arrangement having the features of claim 11.
- a cylindrical stop member is arranged with a running in the extension direction through hole such that upon actuation of the actuator unit, a gap between the core and the armature is present, small bearing surfaces are made with low magnetic forces, so that smaller spring forces sufficient to loosen the anchor. This can be dispensed with the spring below the second closing body.
- the stop element can also be mounted with the core, as the anchor with the first Valve closing body, so that additional assembly steps omitted.
- the stop element is designed as a hollow cylinder.
- Such sleeves are inexpensive standard parts, so that manufacturing costs are reduced.
- a further advantageous embodiment results from the use of a ball as the second valve closing body. Also, this is inexpensive available as a standard part. This two-part form also reduces the requirement for component precision.
- the through hole of the core has a shoulder against which the spring element abuts, which surrounds the stop element in the armature facing region.
- the spring force act directly against the anchor, wherein the stop element is an inner spring and at the same time an outer spring is ensured by the core.
- the first valve closing body is formed conically at the end facing the first valve seat and it extends from the first valve closing body a pin through the first valve seat in the direction of the second valve closing body. This component is easy to produce as a turned part.
- the conical valve closing body ensures a tight seal, while in the simplest way the ball is pushed by the pin in the releasing position.
- the anchor is formed integrally with the valve closing body, so that additional assembly steps can be omitted.
- valve closing body is pressed into a bore in the armature This facilitates the production of the individual parts, wherein an overall length can be adjusted by pressing in the valve closing body.
- the stop element is pressed into the through hole of the core.
- the impact forces that occur can be easily absorbed by this press-fit, so that this connection can be used particularly cost-effective and easy to manufacture.
- the armature slides in a housing part in which a housing of the valve unit is arranged at the opposite end, in which the two valve seats are formed.
- the second opening is formed on the housing part. Accordingly, the housing of the valve unit ends before the outlet of the solenoid valve.
- the Opening can be formed directly during manufacture, so that no further manufacturing steps are necessary here.
- valve device which combines the functions of a pressure relief valve and a pressure control valve in itself.
- the necessary electromagnetic restoring forces can be kept low, whereby a unit coil can be used.
- the individual components are easy to assemble, with some components can be summarized in pre-assembly. It is used a small number of components, with most parts are produced as standard parts cost-effective in large quantities. Accordingly, an oil pump control with rapid adjustment of the amount of oil to be delivered can be made, in addition to a fail-safe function is present.
- valve device An embodiment of a valve device according to the invention and the associated oil pump control arrangement is shown in the figure and will be described below.
- the figure shows a side view of a valve device according to the invention in a sectional view with a schematically illustrated connection to an oil circuit of an internal combustion engine.
- the valve device according to the invention shown in the figure consists of an actuator unit 10 to which a valve unit 12 is attached.
- the actuator unit 10 has an electromagnetic circuit 14, which consists of a wound on a bobbin 16 coil 18, a core 20 in the interior of the bobbin 16, a translationally movable armature 22 and the electromagnetic circuit 14 completing Fluxing devices consists. These are two arranged at the axial ends of the coil 18 return plate 24, 26, which are in conductive connection with a coil 18 surrounding the outside yoke 28, and in the interior of the coil 18 and the lower return plate 26 connected further flux guide 30th
- the coil 18 is surrounded by a plastic jacket 32, which also has a plug part, not shown, for electrical supply to the coil 18.
- the core 20 has an axially extending through hole 34 and is secured in the coil carrier 16. At its end facing away from the valve unit 12, the core 20 has a peripheral recess 36, into which the return plate 24 projects peripherally for attachment thereof.
- a shoulder 38 is formed, against which a spring element 40 abuts, the opposite end bears against the armature 22 under bias.
- a stop element 42 with an axially extending passage opening 44 in the present embodiment a hollow cylinder which is fastened in the region of the through-bore 34 via a press connection, which has the smaller diameter and which projects into the area of the larger diameter. so that this region of the stop element 42 is surrounded radially by the spring element 40.
- the stopper member 42 is disposed in the through hole 34 so as to limit the armature movement.
- the armature 22 is guided in a housing part 52, which surrounds the flux guide 30 in the region of the armature guide and extends with an enlarged diameter in the direction of the valve unit 12 in the form of a hollow cylinder.
- the flux guide 30 projects out of the surrounding housing part 52 for conductive connection with the return plate 26.
- the hollow cylindrical portion of the housing part 52 which extends in the direction of the valve unit 12, serves to receive a housing 54 of the valve unit 12, in which a first opening 56 is formed, which fluidly with a second opening 58, which in the housing part 52 between the valve unit 12 and the actuator unit 10 is formed, via a flow cross-section in the housing 54 is connected, which is surrounded by a first valve seat 60, on which a first valve closing body 62 deductible or from which the first valve closing body 62 can be lifted and thus between the first opening 56th and the second opening 58 is arranged.
- the valve seat 60 is frusto-conical and cooperates with a frusto-conical portion of the valve closing body 62, wherein the slope of the truncated cone walls is steeper than the pitch of the conical valve seat 60, so that a linear contact follows in the closed state.
- the valve closure member 62 is a central axial bore 64 in the armature 22 is pressed.
- the housing 54 has a third opening 66 which extends axially from the end of the housing 54 remote from the actuator unit in the direction of the first radially extending first opening 56.
- a second valve seat 68 is formed, on which a second valve closing body 70 is deductible or from which this valve closing body 70 can be lifted, which is designed as a simple ball.
- the lifting of this ball 70 from the valve seat 68 is realized via a pin 72 which extends from the first valve closing body 62 by the flow area surrounding the first valve seat 60 to the flow area surrounded by the second valve seat 68.
- valve device as an oil pump control is explained below with reference to the oil circuit of an internal combustion engine.
- the oil circuit consists of an oil pan 74 from which via a suction line 76 by means of a variable oil pump 78 oil is sucked. This oil flows via a delivery line 80 for the purpose of lubrication to an internal combustion engine 82 and from there via a return line 84 back to the oil pan 74th
- the coil 18 is supplied with voltage via the controller.
- the armature 22 is pulled toward the core 20, so that the valve closing body 62 is lifted off the valve seat 60 and a connection between the first opening 56 and the second opening 58 is established, which in turn leads to a reduction of the control pressure p 2 in the control chamber 90 and thus leads to a reduction of the delivery pressure pi, since oil can flow out of the control chamber 90 in the direction of the oil pan 74 and on the other hand, the ball 70 is pressed onto the valve seat 68, so that the connection to the delivery pressure port is closed.
- valve devices are also suitable for other hydraulic circuits.
- Design changes of the valve device in comparison to the illustrated embodiment, such as the integral formation of armature valve closing body and valve tappet or a different division of the housing and the like are also conceivable without departing from the scope of the main claim.
- the passage opening in the stop element can not be designed as a bore but, for example, as a lateral notch or the like.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012104456A DE102012104456B3 (en) | 2012-05-23 | 2012-05-23 | Valve device for a hydraulic circuit and oil pump control arrangement |
PCT/EP2013/058885 WO2013174624A1 (en) | 2012-05-23 | 2013-04-29 | Valve device for a hydraulic circuit, and oil pump control assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2852783A1 true EP2852783A1 (en) | 2015-04-01 |
Family
ID=48190988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13719113.6A Withdrawn EP2852783A1 (en) | 2012-05-23 | 2013-04-29 | Valve device for a hydraulic circuit, and oil pump control assembly |
Country Status (4)
Country | Link |
---|---|
US (1) | US20150139840A1 (en) |
EP (1) | EP2852783A1 (en) |
DE (1) | DE102012104456B3 (en) |
WO (1) | WO2013174624A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105179783A (en) * | 2015-10-30 | 2015-12-23 | 刘海山 | Linear electromagnetic valve |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6231392B2 (en) * | 2014-01-24 | 2017-11-15 | 株式会社ケーヒン | Solenoid valve |
KR101628569B1 (en) * | 2014-12-11 | 2016-06-08 | 현대자동차주식회사 | High pressure solenoid valve |
WO2020074055A1 (en) | 2018-10-08 | 2020-04-16 | Pierburg Gmbh | Solenoid valve for a motor vehicle, and method for producing such a solenoid valve |
WO2022150442A1 (en) * | 2021-01-11 | 2022-07-14 | Waters Technologies Corporation | Active check valve having a moving magnet actuator |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008060889A1 (en) * | 2008-12-09 | 2010-06-10 | Pierburg Gmbh | Pressure control valve |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03199789A (en) * | 1989-12-28 | 1991-08-30 | Aisin Aw Co Ltd | Electromagnetic valve |
DE59108819D1 (en) * | 1990-11-30 | 1997-09-11 | Guenter Weber | CARTRIDGE VALVE |
JPH0560259A (en) * | 1991-08-28 | 1993-03-09 | Mitsubishi Electric Corp | Flow rate control valve |
DE4137994C2 (en) * | 1991-11-19 | 1999-06-02 | Bosch Gmbh Robert | Electromagnetically actuated injection valve with a nozzle holder and method for producing a nozzle holder of an injection valve |
JP2001082625A (en) * | 1999-09-13 | 2001-03-30 | Denso Corp | Solenoid valve |
US6209563B1 (en) * | 2000-01-07 | 2001-04-03 | Saturn Electronics & Engineering, Inc. | Solenoid control valve |
DE10034959A1 (en) * | 2000-07-19 | 2002-02-21 | Zahnradfabrik Friedrichshafen | Proportional pressure control valve |
JP3715961B2 (en) * | 2002-11-12 | 2005-11-16 | 三菱電機株式会社 | solenoid valve |
DE10343843A1 (en) * | 2003-09-23 | 2005-04-28 | Zahnradfabrik Friedrichshafen | Pressure control valve |
JP2006214286A (en) * | 2005-02-01 | 2006-08-17 | Aisin Seiki Co Ltd | Oil pump |
DE102005030959A1 (en) * | 2005-06-30 | 2007-01-11 | Robert Bosch Gmbh | Electrically actuated valve |
US7766040B2 (en) * | 2007-03-13 | 2010-08-03 | Eaton Corporation | Pressure control valve assembly |
DE112008000978T5 (en) * | 2007-05-04 | 2010-06-17 | Borgwarner Inc., Auburn Hills | Variable flow, variable pressure hydraulic pump with improved open loop electrical control |
EP2264318B1 (en) * | 2009-06-16 | 2016-08-10 | Pierburg Pump Technology GmbH | A variable-displacement lubricant pump |
JP2012219868A (en) * | 2011-04-06 | 2012-11-12 | Denso Corp | Solenoid valve |
DE102011076197A1 (en) * | 2011-05-20 | 2012-11-22 | Ford Global Technologies, Llc | Internal combustion engine with oil circuit and method for operating such an internal combustion engine |
JP5686201B2 (en) * | 2011-11-04 | 2015-03-18 | トヨタ自動車株式会社 | Solenoid linear valve |
JP5585569B2 (en) * | 2011-11-30 | 2014-09-10 | 株式会社デンソー | solenoid valve |
KR20130109323A (en) * | 2012-03-27 | 2013-10-08 | 현대자동차주식회사 | Oil pump control system for vehicle and operation method thereof |
JP5772881B2 (en) * | 2013-06-18 | 2015-09-02 | 株式会社デンソー | solenoid valve |
-
2012
- 2012-05-23 DE DE102012104456A patent/DE102012104456B3/en active Active
-
2013
- 2013-04-29 WO PCT/EP2013/058885 patent/WO2013174624A1/en active Application Filing
- 2013-04-29 EP EP13719113.6A patent/EP2852783A1/en not_active Withdrawn
- 2013-04-29 US US14/402,689 patent/US20150139840A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008060889A1 (en) * | 2008-12-09 | 2010-06-10 | Pierburg Gmbh | Pressure control valve |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105179783A (en) * | 2015-10-30 | 2015-12-23 | 刘海山 | Linear electromagnetic valve |
Also Published As
Publication number | Publication date |
---|---|
WO2013174624A1 (en) | 2013-11-28 |
DE102012104456B3 (en) | 2013-05-29 |
US20150139840A1 (en) | 2015-05-21 |
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