WO2015039949A1 - Soupape d'aspiration pouvant être commandée électromagnétiquement - Google Patents

Soupape d'aspiration pouvant être commandée électromagnétiquement Download PDF

Info

Publication number
WO2015039949A1
WO2015039949A1 PCT/EP2014/069394 EP2014069394W WO2015039949A1 WO 2015039949 A1 WO2015039949 A1 WO 2015039949A1 EP 2014069394 W EP2014069394 W EP 2014069394W WO 2015039949 A1 WO2015039949 A1 WO 2015039949A1
Authority
WO
WIPO (PCT)
Prior art keywords
suction valve
plug
pressure pump
valve according
magnetic
Prior art date
Application number
PCT/EP2014/069394
Other languages
German (de)
English (en)
Inventor
Achim Meisiek
Stefan Kolb
Michael IMHOF
Tobias Landenberger
Hans Heber
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2015039949A1 publication Critical patent/WO2015039949A1/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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • 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
    • F02M59/368—Pump inlet valves being closed when actuated
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8061—Fuel injection apparatus manufacture, repair or assembly involving press-fit, i.e. interference or friction fit

Definitions

  • the invention relates to an electromagnetically controllable suction valve for a high-pressure pump of a fuel injection system, in particular of a common rail injection system, having the features of the preamble of claim 1. Furthermore, the invention relates to a high pressure pump with such a suction valve.
  • An electromagnetically controllable intake or intake valve for a high-pressure pump in particular a radial or in-line piston pump for fuel injection systems, is shown by way of example from the published patent application DE 10 2010 027 745 A1.
  • the inlet valve is arranged in a recess of a housing part of the high-pressure pump designed as a cylinder head and is fixed in position by means of a screw plug screwed into the cylinder head. It comprises a valve body and a valve tappet, which cooperates with a valve seat formed on the valve body forming a sealing seat.
  • a valve spring acts on the valve tappet against the valve seat surface.
  • the inlet valve comprises an armature formed as a plunger armature, which is connected to the valve stem, and a magnet with a magnetic coil to generate a magnetic field acting on the armature when the solenoid is energized.
  • the solenoid is electrically connected via electrically conductive pins with the pins of a plug.
  • the present invention seeks to provide an electromagnetically controllable suction valve for a high-pressure pump, including the components for electrically contacting a magnetic coil of a Simply mount the magnetic actuator and insert it into a housing bore of a high-pressure pump.
  • the electromagnetically controllable suction valve with the features of claim 1 is proposed.
  • Advantageous developments of the invention are specified in the subclaims.
  • a high pressure pump is proposed with such a suction valve.
  • the electromagnetically controllable intake valve proposed for a high-pressure pump of a fuel injection system comprises a valve closing element which is received in a liftable manner in a bore of a valve body and acted upon directly or indirectly in the closing direction by the spring force of a spring, as well as one with a magnetic coil a magnetic actuator cooperating liftable armature, which is coupled to control the lifting movement of the valve closing element with this.
  • the suction valve comprises a plug for electrically contacting the magnetic coil of the magnetic actuator and a screw plug, by means of which the suction valve is fixed in position in a housing bore of the high-pressure pump.
  • the plug has a plastic encapsulation, which is connected via a press fit with the screw plug.
  • the plug and the encapsulation in the present case form a structural unit which can be connected to the suction valve in a simple manner by pressing into the screw plug. This reduces the effort during assembly of the suction valve.
  • the press fit allows the installation of the assembly of plug and encapsulation in any angular position, so that the assembly can be made according to the respective mounting situation.
  • an annular body preferably a metallic annular body, is preferably integrated into the plastic encapsulation.
  • the ring body serves as a support body and causes a certain stiffness of plastic encapsulation, which the installation position of the assembly of plug and
  • the annular body is arranged on the outer peripheral side in the plastic encapsulation and lies directly against the closure screw. This means that the ring body is not completely covered by the material of the
  • Encapsulation is surrounded, but has a standing in contact with the screw outer peripheral surface, via which a press connection with the screw plug can be produced.
  • At least one pin and / or contact pin for electrical contacting of the magnetic coil is integrated into the plastic encapsulation.
  • the assembly of plug and encapsulation therefore comprises at least one pin and / or pin, whereby the assembly cost is further reduced.
  • the plug is connected to the magnet actuator by means of the plastic encapsulation, so that the plug, the plastic
  • Encapsulation and the magnetic actuator form a structural unit.
  • at least one pin and / or contact pin can also be integrated into the encapsulation.
  • the encapsulation is preferably carried out separately with the components plug, magnetic coil and any contact elements. As a result, the assembly work on the Saugventilmontageline is significantly reduced. If necessary, assemblies can be procured from the external procurement.
  • the plug is arranged in an outer peripheral area of the plastic encapsulation.
  • the plug is therefore positioned radially.
  • the press connection of the plastic encapsulation connected to the plug with the closure screw allows an angular position of the plug corresponding to the respective connection situation, so that the greatest possible flexibility with respect to the electrical connection is provided. Because in the press-in area the plastic extrusion is rotationally symmetrical in order to produce the press connection with the screw plug.
  • the magnetic actuator comprises a magnetic core with an annular recess for receiving the magnetic coil.
  • the magnetic core may also be part of the assembly consisting of plug, magnetic coil and plastic encapsulation and any contact elements, whereby the assembly effort is further reduced.
  • the magnetic core - as an alternative or in addition to the ring body - can be used as a support body.
  • the closure screw on a radially extending annular shoulder for supporting the Magnetaktors in the axial direction.
  • the axial mounting position of the plastic extrusion coating including the plug and / or the magnetic coil can be fixed.
  • a high-pressure pump is proposed with a suction valve according to the invention for connecting a pump working space of the high-pressure pump with a fuel inlet.
  • the suction valve is inserted into a housing bore of the high pressure pump and fixed in position by means of the screw plug.
  • Magnet actuator forms a unit with the plug and the encapsulation or form, the assembly can be further simplified and accelerated.
  • a preferred embodiment of the invention will be described below with reference to the accompanying drawings. This shows a schematic longitudinal section through an inventive suction valve. Detailed description of the drawing
  • controllable suction valve is inserted into a housing bore 10 of a high-pressure pump and serves to connect a pump working chamber 19 with a fuel inlet 20, so that in the suction operation of the high-pressure pump, the pump working chamber 19 via the suction valve with fuel can be filled.
  • the suction valve comprises a plate-shaped valve body 3 with an axially guided bore 2, in which a valve closing element 1 is received in a liftable manner, which opens into the pump working chamber 19. In the closing direction, the valve closing element 1 is acted upon by the spring force of a spring 4.
  • valve body 3 In the bore 2 of the valve body 3 open radial bores 23, which are in hydraulic communication with the fuel inlet 20. At the level of the radial bores 23, the valve body 3 is surrounded by a sieve element 24 in order to prevent any particles contained in the fuel from entering the suction valve.
  • the valve body 3 is supported via a sealing washer 25 on a shoulder of the housing bore 10 in order to seal the pump working chamber 19 with respect to the fuel inlet 20.
  • An axial contact force is effected via a screw plug 9, which is screwed into the housing bore 10 and supported on the valve body 3.
  • the actuator is included, comprising a magnetic actuator 6 with a magnetic coil 5 and an interacting with the magnetic coil 5 anchor 7.
  • a magnetic field is generated, which moves the armature 7 against the spring force of a spring 22 in the direction of the magnetic coil 5.
  • the magnetic coil 5 is embedded in an annular recess 17 of a magnetic core 16, which is part of the magnetic circuit. Between the magnetic core 16 and the armature 7, a residual air gap disc 21 is arranged, which as Stroke serves.
  • the magnetic core 16 is supported on a radially extending annular shoulder 18 of the housing bore 10.
  • the magnetic coil 5 elements for electrical contacting tion are provided, which in the present case comprise a connected to the magnetic coil 5 pin 15 and a pin 14, which in turn is part of a plug 8.
  • the plug 8, the pin 14 and the contact pin 15 are connected via a plastic encapsulation 1 1, in the outer peripheral side, a metallic annular body 13 for producing a press fit 12 is integrated within the screw plug 9. This means that the plastic encapsulation 1 1 is pressed into the screw plug 9.
  • the plastic encapsulation 1 1 with the plug 8, the pin 14, the contact pin 15 and the solenoid actuator 6 forms a structural unit which facilitates the insertion of the actuator into the locking screw 9, since the structural unit is inserted as a whole in the locking screw 9 ,
  • the radially extending annular shoulder 18 of the housing bore 10 determines the axial position of the assembly, while the angular position is freely selectable due to the rotational symmetry in the press-fit.
  • the plug 8, which protrudes radially from the encapsulation 1 1, can therefore be arbitrarily oriented.
  • Modifications of the invention are possible by the pressed-in the screw 9 assembly is reduced to a connector 8 with a plastic encapsulation 1 1 and any contact elements in the form of a pin 14 and / or a contact pin 15.
  • the magnetic coil 5 with or without magnetic core 16 may be part of the structural unit.

Abstract

L'invention concerne une soupape d'aspiration pouvant être commandée électromagnétiquement, destinée à une pompe haute pression d'un système d'injection de carburant, notamment d'un système d'injection à rampe commune, comportant un obturateur de soupape (1) logé mobile dans un perçage (2) d'un corps de soupape (3) et sollicité directement ou indirectement dans le sens de fermeture par la force élastique d'un ressort (4), un induit mobile (7) interagissant avec un bobine magnétique (5) d'un actionneur magnétique (6), pouvant être accouplé à l'obturateur de soupape (1) pour commander la course de celui-ci, une fiche (8) pour la mise en contact électrique de la bobine magnétique (5) de l'actionneur magnétique (6), ainsi qu'une vis de fermeture (9) pour fixer la soupape d'aspiration dans un perçage de carter (10) de la pompe haute pression. Selon l'invention, la fiche (8) comporte un surmoulage de plastique (11) qui est relié à la vis de fermeture (9) par un ajustement serré (12). Cette invention concerne en outre une pompe haute pression comportant une telle soupape d'aspiration.
PCT/EP2014/069394 2013-09-19 2014-09-11 Soupape d'aspiration pouvant être commandée électromagnétiquement WO2015039949A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013218854.4 2013-09-19
DE201310218854 DE102013218854A1 (de) 2013-09-19 2013-09-19 Elektromagnetisch ansteuerbares Saugventil

Publications (1)

Publication Number Publication Date
WO2015039949A1 true WO2015039949A1 (fr) 2015-03-26

Family

ID=51518788

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/069394 WO2015039949A1 (fr) 2013-09-19 2014-09-11 Soupape d'aspiration pouvant être commandée électromagnétiquement

Country Status (2)

Country Link
DE (1) DE102013218854A1 (fr)
WO (1) WO2015039949A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111542902A (zh) * 2017-11-09 2020-08-14 株式会社电装 螺线管装置
CN111643393A (zh) * 2020-07-13 2020-09-11 幽汰(福建)大健康产业有限公司 一种口腔抑制幽门螺杆菌牙膏及其制备装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3346122B1 (fr) * 2017-01-10 2019-07-17 Continental Automotive GmbH Soupape de commutation électromagnétique et pompe haute pression à carburant
IT201800004166A1 (it) * 2018-04-03 2019-10-03 Gruppo di pompaggio per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna
DE102018219428A1 (de) * 2018-11-14 2020-05-14 Robert Bosch Gmbh Elektromagnetisch betätigbares hydraulisches Einbauventil
DE102020114410A1 (de) 2020-05-28 2021-12-02 Hoerbiger Antriebstechnik Holding Gmbh Brennstoffzellensystem

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0735009A (ja) * 1993-07-20 1995-02-03 Nissan Motor Co Ltd 内燃機関の燃料噴射装置
DE29718767U1 (de) * 1997-10-22 1999-02-25 Bosch Gmbh Robert Anschlußanordnung für ein elektrisches Aggregat
WO2006058901A1 (fr) * 2004-12-01 2006-06-08 Siemens Aktiengesellschaft Injecteur de carburant pour moteur a combustion interne
DE102010027745A1 (de) * 2010-04-14 2011-10-20 Robert Bosch Gmbh Hochdruckpumpe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0735009A (ja) * 1993-07-20 1995-02-03 Nissan Motor Co Ltd 内燃機関の燃料噴射装置
DE29718767U1 (de) * 1997-10-22 1999-02-25 Bosch Gmbh Robert Anschlußanordnung für ein elektrisches Aggregat
WO2006058901A1 (fr) * 2004-12-01 2006-06-08 Siemens Aktiengesellschaft Injecteur de carburant pour moteur a combustion interne
DE102010027745A1 (de) * 2010-04-14 2011-10-20 Robert Bosch Gmbh Hochdruckpumpe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111542902A (zh) * 2017-11-09 2020-08-14 株式会社电装 螺线管装置
CN111643393A (zh) * 2020-07-13 2020-09-11 幽汰(福建)大健康产业有限公司 一种口腔抑制幽门螺杆菌牙膏及其制备装置
CN111643393B (zh) * 2020-07-13 2022-06-28 幽汰(福建)大健康产业有限公司 一种口腔抑制幽门螺杆菌牙膏及其制备装置

Also Published As

Publication number Publication date
DE102013218854A1 (de) 2015-03-19

Similar Documents

Publication Publication Date Title
WO2015039949A1 (fr) Soupape d'aspiration pouvant être commandée électromagnétiquement
DE112006001605B4 (de) Elektromagnetische Betätigungsvorrichtung und Verfahren zur Steuerung eines Strömungsmittelflusses
DE102011013702B4 (de) Elektromagnetischer Aktor
WO2016058776A1 (fr) Vanne d'aspiration à commande électromagnétique, pompe à haute pression pourvue d'une telle vanne d'aspiration et procédé de raccordement d'une telle vanne d'aspiration à un élément de boîtier d'une pompe à haute pression
WO2017001092A1 (fr) Soupape d'aspiration à actionnement électromagnétique pour une pompe haute pression et procédé de fabrication d'une soupape d'aspiration de ce type
EP3172428B1 (fr) Unité électromagnétique de réglage pour une soupape d'aspiration et une soupape d'aspiration
WO2018073246A1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission
WO2015039960A1 (fr) Soupape d'aspiration pouvant être commandée électromagnétiquement
DE102014202334A1 (de) Hochdruckpumpe für ein Kraftstoffeinspritzsystem
DE102014220670A1 (de) Elektromagnetisch betätigbares Proportionalventil sowie Kraftstoffhochdruckpumpe mit einem solchen Proportionalventil
DE102014200584A1 (de) Elektromagnetisch ansteuerbares Saugventil
WO2016055268A1 (fr) Vanne proportionnelle à commande électromagnétique et pompe à carburant haute pression dotée d'une telle vanne proportionnelle
DE102014201101A1 (de) Elektromagnetisch ansteuerbares Saugventil
EP1746281B1 (fr) Arrangement avec un circuit magnétique avec un connecteur orientable radialement
EP3387247B1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission
EP3420257B1 (fr) Électrovanne
WO2018028865A1 (fr) Soupape d'aspiration à actionnement électromagnétique et pompe à carburant haute pression
EP2914843B1 (fr) Ensemble électroaimant pour une électrovanne
WO2017108343A1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission
DE102016208969A1 (de) Elektromagnetisch betätigbares Saugventil und Kraftstoff-Hochdruckpumpe
EP3332111B1 (fr) Soupape d'aspiration à commande électromagnétique pour pompe à haute pression et pompe à haute pression
DE102014207941A1 (de) Elektromagnetisch ansteuerbares Einlassventil für eine Kraftstoffhochdruckpumpe
DE102017217497A1 (de) Hochdruckpumpe für ein Kraftstoffeinspritzsystem
DE102017217846A1 (de) Elektromagnetisch betätigbares Saugventil für eine Hochdruckpumpe sowie Hochdruckpumpe
EP3423717A1 (fr) Soupape d'admission à commande électromagnétique et pompe haute pression munie d'une soupape d'admission

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14761883

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14761883

Country of ref document: EP

Kind code of ref document: A1