WO2009124852A1 - Pompe pour transporter un fluide - Google Patents

Pompe pour transporter un fluide Download PDF

Info

Publication number
WO2009124852A1
WO2009124852A1 PCT/EP2009/053710 EP2009053710W WO2009124852A1 WO 2009124852 A1 WO2009124852 A1 WO 2009124852A1 EP 2009053710 W EP2009053710 W EP 2009053710W WO 2009124852 A1 WO2009124852 A1 WO 2009124852A1
Authority
WO
WIPO (PCT)
Prior art keywords
actuator
closing body
fluid
housing
pump
Prior art date
Application number
PCT/EP2009/053710
Other languages
German (de)
English (en)
Inventor
Uwe Nigrin
Original Assignee
Continental Automotive 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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2009124852A1 publication Critical patent/WO2009124852A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/04—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps
    • F02M59/06—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps with cylinders arranged radially to driving shaft, e.g. in V or star arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/445—Selection of particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/462—Delivery valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/108—Valves characterised by the material
    • F04B53/1082—Valves characterised by the material magnetic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0076—Piston machines or pumps characterised by having positively-driven valving the members being actuated by electro-magnetic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams

Definitions

  • the invention relates to a pump for conveying a fluid.
  • Fuel injection systems of internal combustion engines have a high-pressure accumulator near the engine or a storage line from which or from which the individual fuel injection valves are fed.
  • This high-pressure accumulator is often referred to as common rail.
  • the pumps that supply the high-pressure accumulator should be able to provide the necessary volume flow and the required fluid pressure precisely.
  • Pressure control valves can be used to control a pressure of the fuel storage.
  • a pump for delivering a fluid comprises
  • Cylinder housing surrounding a cylinder space.
  • a pump piston is arranged in the cylinder chamber.
  • the pump further comprises a fluid supply line for supplying the fluid and a fluid discharge line for discharging the fluid.
  • a closing body insulates one in a closed position
  • the pump has a controllable actuator, which comprises an actuator housing of electrically insulating material.
  • the actuator housing has at least one common contact surface with the cylinder housing.
  • the closing body can be coupled to the actuator.
  • the closing body and the actuator are arranged so that the closing body is in a non-activated state of the actuator in its closed position. By activating the actuator, a force acting on the closing body changes the position of the closing body, so that the fluid flow is released.
  • the actuator further comprises an armature space which is surrounded by the actuator housing.
  • armature space In the armature space a magnet armature is arranged axially movable, which is connected to the
  • Closing body is coupled.
  • a magnetic coil which is enclosed by the actuator housing, surrounds the armature space and acts in the controlled state, a force on the armature, so that the closing body releases the fluid flow. This represents a cost-effective embodiment of the actuator.
  • the actuator may comprise at least one further magnetic coil, which in its driven state, a further force on the armature affects, so that the
  • Closing body is in its closed position.
  • a shortened closing or opening time of the valve can be achieved.
  • the armature can with the closing body on a
  • the actuator housing can be arranged completely inside the cylinder housing.
  • the actuator housing and the cylinder housing can a Have press connection.
  • the cylinder housing may comprise a metal.
  • the cylinder housing can surround the cylinder chamber in one piece.
  • the actuator may be fixed in the cylinder housing by a fixing element comprising at least one spring which exerts a force on the actuator housing. This allows a quick installation and a stable connection.
  • the fluid inlet and the fluid outlet can be hydraulically coupled via at least one connecting line.
  • the fluid inlet, the fluid outlet and the connection line may be enclosed by the cylinder housing.
  • the cylinder housing may surround a closing body space in which the closing body is arranged axially movable.
  • the at least one connecting line can connect to the closing body space.
  • the closing body may be partially arranged in the cylinder space.
  • FIG. 1 shows a schematic representation of a pump according to an embodiment
  • FIG. 2 shows a schematic illustration of a section of a pump according to a further embodiment
  • FIG. 3 shows a schematic illustration of a section of a pump according to a further embodiment
  • FIGS. 4A and 4B each show a plan view of a plane along the straight line A-A '.
  • FIG. 1 shows a pump 100, a pump unit 101, a cylinder housing 102, a cylinder chamber 103, a pump piston 104, a fluid supply line 105, a fluid discharge line 106, a closing body 107 and an actuator 108.
  • the pump 100 has a pump housing 110. This comprises a crank chamber, in which a drive shaft 111 is arranged. The pump can be driven via the drive shaft 111.
  • the drive shaft drives the pump piston 104.
  • the pump piston 104 is surrounded by the cylinder housing 102 coaxially.
  • the pump piston is mounted axially movable in the cylinder chamber 103 of the cylinder housing 102.
  • the cylinder housing has the fluid supply line 105. Fluid can be expelled from the cylinder space via the fluid drain 106.
  • the closing body 107 By the closing body 107, the fluid flow can be adjusted by the fluid supply line 105 into the cylinder chamber 103.
  • the closing body 107 can stop the flow of fluid in a closed position.
  • the closing body 107 is coupled to the actuator 108.
  • the actuator can, in an initial state, which corresponds to a non-driven state, hold the closing body in a position by which the closing body is pressed against the cylinder housing and thus a fluid flow between the fluid inlet, the cylinder chamber and the fluid outlet is prevented.
  • the closing body is lifted off the cylinder housing when the actuator is actuated.
  • the actuator is controlled so that a force acts on the closing body, which moves the closing body from its closed position.
  • the cylinder housing 102 comprises metal, such as aluminum.
  • the actuator 108 has an electrically insulating material, in particular plastic.
  • the actuator has no further housing comprising metal.
  • the actuator is plugged or pressed into the cylinder housing, for example. It may also have a different mechanical coupling with the cylinder housing, which in particular has no screw or screw connection elements to couple the actuator with the cylinder housing.
  • the pump piston 104 By a rotational movement of the drive shaft of the pump piston 104 is moved radially through the eccentric shape of the drive shaft to the center of the drive shaft. In this case, the cylinder chamber 103 is filled with fluid. As a result of the further rotational movement of the drive shaft, the pump piston is moved axially away from the center of the drive shaft and thereby compresses the fluid located in the cylinder chamber.
  • the compressed fluid may be following the
  • Compression stroke are discharged via the fluid discharge.
  • the pressure can be influenced via the closing body. Over the duration in which the closing body is not in the closed position and the degree of deflection, as far as the closing body lifts from the cylinder housing, the volume flow of the fluid can be determined.
  • the pump is, for example, a high-pressure fuel pump of an injection system of an internal combustion engine, the fluid subjected to high pressure can become a High-pressure fuel storage, the so-called common rail arrive.
  • the pump is in one embodiment a radial piston pump, in another embodiment, a roller tappet pump.
  • the pump is a pump which is set up to provide a sufficiently high pressure for an injection system of an internal combustion engine.
  • FIG. 2 shows an actuator 201, a cylinder housing 202, a cylinder chamber 203, a pump piston 204, a fluid supply line 205, a fluid discharge 206, a closing body 207, an actuator housing 210, an armature space 211, a magnet armature 212, a magnet coil 213, a fixing element 214 , a connecting line 215, a spring 216, a closing body space 217, a female connector 218, a spring 219 and a contact surface 220.
  • the cylinder housing 202 has the fluid supply line 205 and the fluid discharge 206.
  • the connecting line 215 is arranged to hydraulically couple the fluid supply line and the fluid discharge line. It can also be arranged a plurality of connecting lines to hydraulically couple the fluid supply and the fluid discharge. Via the fluid supply line 205 and the connecting line 215, fluid can be guided into the cylinder chamber 203. The fluid can be guided out of the cylinder chamber via the fluid outlet 206.
  • the closing body space 217 is surrounded by the cylinder housing 202.
  • the actuator 201 In a recess of the cylinder housing 202, which is surrounded by the contact surface 220, the actuator 201 is arranged.
  • the actuator 201 includes the actuator housing 210, the solenoid 213 and the armature 212.
  • the armature 212 is disposed axially movable in the armature space 211.
  • the magnet coil 213 surrounds the armature space 211 and is enclosed by the actuator housing 210.
  • the magnetic coil 213 and the armature 212 are arranged in the initial state to each other so that in the driven state, a magnetic force acts on the armature, which moves it in the direction of the closing body.
  • the plug socket 218 is arranged on the actuator housing.
  • the socket 218 and the solenoid 213 are electrically coupled, so that via the socket 218, a voltage can be applied to the solenoid.
  • a voltage is applied to the solenoid coil 213, a magnetic force acts on the armature 212, which acts on the closing body 207 a force, so that it is moved from the closed position shown and a fluid flow between the fluid supply 205 and cylinder chamber 203 and cylinder discharge 206 is possible.
  • the closing body is held by the spring 216 in the closed position, so that the
  • Closing body is in the non-actuated state of the actuator in its closed position.
  • the magnetic force that can be acted upon by the magnetic coil on the armature is greater than the force of the spring.
  • the actuator housing 210 is formed of an electrically insulating material.
  • the actuator housing includes, for example, an electrically insulating plastic.
  • the magnetic coil 213 is in the manufacture of the electrically insulating Surrounded material.
  • the shape of the actuator housing is accurately formed with the cylinder housing.
  • the actuator housing has a sealing seat with the cylinder housing. Between the actuator housing and the cylinder housing is no further metallic material layer, for example, a further housing which surrounds the actuator.
  • the non-conductive part of the actuator touches the cylinder housing.
  • the actuator or the actuator housing is surrounded by any other housing, for example made of aluminum, which has a contact surface with the cylinder housing.
  • the material of the actuator housing can be injected directly into the cylinder housing.
  • the shape of the actuator housing is determined by the cylinder housing.
  • the actuator forms with the closing body a valve, for example a volume flow control valve.
  • the actuator housing 210 has the common contact surface 220 with the cylinder housing 202. In the arrangement shown, no further housing is needed that surrounds the actuator housing 210. In particular, no further housing formed of a metal is needed to mechanically couple the actuator to the cylinder housing.
  • the actuator housing 210 which is formed of an electrically non-conductive material, can be inserted directly into the cylinder housing 202. The actuator or the actuator housing is fixed in the cylinder space via the fixing element and the spring 219. A screw connection between actuator and cylinder housing is not necessary to couple the actuator housing and the cylinder housing. If the actuator housing 210 is injected directly into the cylinder housing, the fixing element 214 and the spring 219 can be dispensed with. The actuator forms with the cylinder housing a single unit.
  • the electrically insulating plastic surrounding the magnetic coil 213 or of which the magnetic coil is completely surrounded, has the direct contact surface 220 to the metallic cylinder housing.
  • the actuator housing may have recesses in which fluid can be guided.
  • the actuator housing may have an outer shape which forms recesses with the cylinder housing, in which fluid can be guided.
  • the armature 212 and the closing body 207 may be mechanically coupled, for example via a screw connection.
  • the armature and the closing body need not have a mechanical connection. It can also be a separate component, which is designed as a coupling element between the closing body and the armature, be arranged to couple the closing body and the armature.
  • FIG. 3 shows an actuator 301, a closing body 307, an actuator housing 310, a coupling element 311, a magnet armature 312, a magnet coil 317 and a further magnet coil 314.
  • the actuator has with its actuator housing 310 made of electrically insulating material on a common contact surface 320 with a cylinder housing.
  • the portions of the actuator housing 310 that are in contact with the cylinder housing may include an electrically non-conductive plastic.
  • the actuator housing are the
  • Magnet coils 313 and 314 which surround the armature 312 are arranged.
  • the armature 312 is connected via the coupling element 311 with the closing body 307.
  • the solenoid 313 acts in a driven state, a first force on the armature 312, so that the armature is moved in the direction of the closing body 307.
  • the closing body 307 is likewise moved out of the closed position shown.
  • the solenoid 314 is energized, another force directed counter to the first force acts on the armature 312. This force moves the armature again toward the position shown.
  • the closing body 307 is mechanically coupled to the magnetic armature 312 via the coupling element 311, the closing body 307 is also moved back into the closed position.
  • the actuator is formed without coils.
  • the actuator is formed as a piezo actuator. It comprises piezo elements which can exert a force on the closing body 307 and can move the closing body into its closed position and deflect it out of the closed position.
  • the cylinder housing may also have further supply and discharge lines to be able to conduct fluid flexibly.
  • the cylinder housing has a further discharge, through which the fluid is guided with the closing body open and a piston upward movement to another point in the fluid circuit, for example in a fluid tank.
  • the socket can be arranged transversely to the axial direction of the cylinder as in the embodiments shown, but the socket can also be arranged in any other orientation.
  • the actuator housing can be pressed into the cylinder housing. In this case, the armature and the closing body form a press connection. There is no further metal material layer between the actuator housing and the cylinder housing.
  • the actuator is waiving another housing directly to the actuator housing, which is electrically insulating, arranged in the cylinder housing of a pump for conveying a fluid.
  • the pump is, for example, a high-pressure fuel pump of an injection system of an internal combustion engine.
  • the cylinder housing is integrally formed in one embodiment.
  • the actuator is not coupled to the cylinder housing via screw elements or fixed in the cylinder housing by elements of the cylinder housing that are coupled to the cylinder housing via screw elements.
  • the cylinder housing has no threads for coupling with the actuator or the actuator housing and also has no threads for fixing the actuator with coupling elements.
  • the pump is operable in one embodiment without actuator and closing body by the cylinder housing is closed by a sealing body.
  • the closing body By means of the position of the closing body, the fluid flow or the volume flow of the fluid can be controlled and thus the pressure which is provided by the pump can be controlled relatively precisely.
  • the closing body In a closed position, the closing body prevents fluid flow from fluid supply to fluid discharge as well as possible.
  • a force acts on the
  • FIGS. 4A and 4B show a plan view of a sectional plane which is formed along the straight line AA 'in FIG.
  • FIG. 4A shows the closing body space 217 and the
  • the connecting lines and the closing body space are spaced from each other.
  • the connecting lines and the closing body space at an angle to each other at an angle to each other, so that the closing body space and the connecting lines in a sectional plane as shown in Figure 2 have a hydraulic coupling.
  • Two connection lines are shown, and only one connection line can be arranged. It can also be arranged more than two connecting lines, for example three or four.
  • the connecting lines 215 and the closing body space 217 run essentially parallel to one another.
  • the connecting lines connect directly to the closing body space. Fluid, which is to be guided from the fluid supply line via the connecting line in the cylinder chamber, flows directly to the closing body along.

Abstract

L’invention concerne une pompe pour transporter un fluide qui comprend un boîtier cylindrique (202) qui entoure un espace cylindrique (203). Dans l’espace cylindrique est disposé de manière axialement mobile un piston de pompe (204). Un corps de fermeture (207) arrête dans une position de fermeture un courant de fluide allant d’une conduite d’amenée de fluide (205) vers une conduite de décharge de fluide (206) et libère à part cela le courant de fluide. La pompe présente un actionneur (201) commandable qui comprend un boîtier d’actionneur (210) en matériau électriquement isolant. Le boîtier d’actionneur présente avec le boîtier cylindrique au moins une surface de contact commune (220). Le corps de fermeture peut être couplé à l’actionneur.
PCT/EP2009/053710 2008-04-09 2009-03-30 Pompe pour transporter un fluide WO2009124852A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810018018 DE102008018018A1 (de) 2008-04-09 2008-04-09 Pumpe zur Förderung eines Fluids
DE102008018018.1 2008-04-09

Publications (1)

Publication Number Publication Date
WO2009124852A1 true WO2009124852A1 (fr) 2009-10-15

Family

ID=40853856

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/053710 WO2009124852A1 (fr) 2008-04-09 2009-03-30 Pompe pour transporter un fluide

Country Status (2)

Country Link
DE (1) DE102008018018A1 (fr)
WO (1) WO2009124852A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2647825A1 (fr) * 2012-04-02 2013-10-09 Robert Bosch Gmbh Pompe haute pression pour un système d'injection de carburant
CN103597198A (zh) * 2011-06-15 2014-02-19 德尔福技术控股有限公司 用于燃料泵的入口阀设置

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Publication number Priority date Publication date Assignee Title
DE102009028501A1 (de) 2009-08-13 2011-02-17 Robert Bosch Gmbh Kraftstoffzumesseinrichtung für eine Kraftstoffeinspritzanlage
DE102009055356A1 (de) * 2009-12-29 2011-06-30 Robert Bosch GmbH, 70469 Elektromagnetisch betätigtes Mengensteuerventil, insbesondere zur Steuerung der Fördermenge einer Kraftstoff-Hochdruckpumpe
DE102011076784B4 (de) * 2011-05-31 2015-07-30 Continental Automotive Gmbh Einlassventil für eine Fluidpumpe und Montageverfahren für ein Einlassventil für eine Fluidpumpe
EP3190288B1 (fr) * 2011-08-08 2018-10-17 Delphi International Operations Luxembourg S.à r.l. Tête de pompe pour pompe à carburant
EP2687712B1 (fr) 2012-07-19 2015-12-09 Delphi International Operations Luxembourg S.à r.l. Ensemble de soupape
EP2687713B1 (fr) 2012-07-19 2017-10-11 Delphi International Operations Luxembourg S.à r.l. Ensemble de soupape
DE102012213546A1 (de) * 2012-08-01 2014-02-06 Robert Bosch Gmbh Hochdruckpumpe für Brennkraftmaschinen
DE102012218552B4 (de) 2012-10-11 2016-03-24 Continental Automotive Gmbh Pumpe
DE102012218593A1 (de) * 2012-10-12 2014-04-17 Continental Automotive Gmbh Ventil für eine Pumpe
EP2821632A1 (fr) * 2013-07-05 2015-01-07 Delphi International Operations Luxembourg S.à r.l. Soupape d'entrée numérique
DE102014220886A1 (de) 2014-10-15 2016-04-21 Continental Automotive Gmbh Pumpe zur Förderung eines Fluids und Verfahren zum Zusammenbau derselben
GB2561189A (en) * 2017-04-04 2018-10-10 Delphi Int Operations Luxembourg Sarl Piezo controlled inlet valve
CN107402102A (zh) * 2017-08-11 2017-11-28 浙江华地电子有限公司 风压传感器
GB2567638B (en) * 2017-10-17 2020-02-19 Delphi Tech Ip Ltd Fuel pump

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Publication number Priority date Publication date Assignee Title
EP0816672A2 (fr) * 1996-07-05 1998-01-07 Nippon Soken, Inc. Pompe haute pression pour système d'injection de combustible de moteur Diesel
US5752308A (en) * 1994-05-20 1998-05-19 Caterpillar Inc. Method of forming a hard magnetic valve actuator
DE19834120A1 (de) * 1998-07-29 2000-02-03 Bosch Gmbh Robert Kraftstoffversorgungsanlage einer Brennkraftmaschine
GB2352780A (en) * 1999-03-23 2001-02-07 Nachi Fujikoshi Corp High pressure plunger pump
WO2006033448A1 (fr) * 2004-09-24 2006-03-30 Toyota Jidosha Kabushiki Kaisha Appareil d'alimentation en carburant haute pression pour moteur a combustion interne, et son procede de conception
EP1887206A1 (fr) * 2006-07-31 2008-02-13 Hitachi, Ltd. Appareil de contrôle de pompe à carburant haute pression pour moteur à combustion interne

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5752308A (en) * 1994-05-20 1998-05-19 Caterpillar Inc. Method of forming a hard magnetic valve actuator
EP0816672A2 (fr) * 1996-07-05 1998-01-07 Nippon Soken, Inc. Pompe haute pression pour système d'injection de combustible de moteur Diesel
DE19834120A1 (de) * 1998-07-29 2000-02-03 Bosch Gmbh Robert Kraftstoffversorgungsanlage einer Brennkraftmaschine
GB2352780A (en) * 1999-03-23 2001-02-07 Nachi Fujikoshi Corp High pressure plunger pump
WO2006033448A1 (fr) * 2004-09-24 2006-03-30 Toyota Jidosha Kabushiki Kaisha Appareil d'alimentation en carburant haute pression pour moteur a combustion interne, et son procede de conception
EP1887206A1 (fr) * 2006-07-31 2008-02-13 Hitachi, Ltd. Appareil de contrôle de pompe à carburant haute pression pour moteur à combustion interne

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103597198A (zh) * 2011-06-15 2014-02-19 德尔福技术控股有限公司 用于燃料泵的入口阀设置
EP2647825A1 (fr) * 2012-04-02 2013-10-09 Robert Bosch Gmbh Pompe haute pression pour un système d'injection de carburant

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