JPH10110658A - 直接制御型ニードルバルブを有する油圧作動燃料噴射器 - Google Patents

直接制御型ニードルバルブを有する油圧作動燃料噴射器

Info

Publication number
JPH10110658A
JPH10110658A JP23580397A JP23580397A JPH10110658A JP H10110658 A JPH10110658 A JP H10110658A JP 23580397 A JP23580397 A JP 23580397A JP 23580397 A JP23580397 A JP 23580397A JP H10110658 A JPH10110658 A JP H10110658A
Authority
JP
Japan
Prior art keywords
working fluid
valve member
fuel
solenoid
pressure
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Withdrawn
Application number
JP23580397A
Other languages
English (en)
Japanese (ja)
Inventor
Shikui K Chen
ケイ チェン シークイ
Gregory W Hefler
ダブリュー ヘフラー グレゴリー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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
Priority claimed from US08/707,804 external-priority patent/US5687693A/en
Priority claimed from US08/768,014 external-priority patent/US5826562A/en
Application filed by Caterpillar Inc filed Critical Caterpillar Inc
Publication of JPH10110658A publication Critical patent/JPH10110658A/ja
Withdrawn legal-status Critical Current

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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • F02M57/026—Construction details of pressure amplifiers, e.g. fuel passages or check valves arranged in the intensifier piston or head, particular diameter relationships, stop members, arrangement of ports or conduits
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • 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
    • F02M59/10—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 the piston-drive
    • F02M59/105—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 the piston-drive hydraulic drive
    • 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
    • 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
    • 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
    • F02M63/0028—Valves characterised by the valve actuating means hydraulic
    • F02M63/0029—Valves characterised by the valve actuating means hydraulic using a pilot valve controlling a hydraulic chamber
    • 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
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
    • F02M63/0036—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat with spherical or partly spherical shaped valve member ends
    • 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
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
    • F02M63/0042—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing combined with valve seats of the lift valve type
    • 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
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0045—Three-way 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
    • 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
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0049—Combined valve units, e.g. for controlling pumping chamber and injection valve
    • 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
    • F02M2200/21—Fuel-injection apparatus with piezoelectric or magnetostrictive elements
    • 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
    • F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
    • F02M2200/502—Springs biasing the valve member to the open position

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
JP23580397A 1996-08-30 1997-09-01 直接制御型ニードルバルブを有する油圧作動燃料噴射器 Withdrawn JPH10110658A (ja)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US08/707,804 US5687693A (en) 1994-07-29 1996-08-30 Hydraulically-actuated fuel injector with direct control needle valve
US08/768,014 US5826562A (en) 1994-07-29 1996-12-13 Piston and barrell assembly with stepped top and hydraulically-actuated fuel injector utilizing same
US08/864606 1997-05-28
US08/768014 1997-05-28
US08/707804 1997-05-28
US08/864,606 US5738075A (en) 1994-07-29 1997-05-28 Hydraulically-actuated fuel injector with direct control needle valve

Publications (1)

Publication Number Publication Date
JPH10110658A true JPH10110658A (ja) 1998-04-28

Family

ID=27418832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23580397A Withdrawn JPH10110658A (ja) 1996-08-30 1997-09-01 直接制御型ニードルバルブを有する油圧作動燃料噴射器

Country Status (3)

Country Link
EP (1) EP0826877B1 (fr)
JP (1) JPH10110658A (fr)
DE (3) DE69729333T2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6526942B2 (en) 2000-04-20 2003-03-04 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Common rail type fuel injecting device
JP2008215228A (ja) * 2007-03-05 2008-09-18 Denso Corp 燃料噴射装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6129072A (en) * 1999-04-02 2000-10-10 Caterpillar Inc. Hydraulically actuated device having a ball valve member
DE19937713C1 (de) * 1999-08-10 2001-03-15 Siemens Ag Steuerventilanordnung zum Einsatz in einem Kraftstoffinjektor für Verbrennungsmotoren
DE10126685A1 (de) * 2001-06-01 2002-12-19 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung mit Druckverstärker
EP2478210A4 (fr) * 2009-09-17 2013-06-05 Int Engine Intellectual Prop Injecteur-pompe a haute pression
CN109695511B (zh) * 2019-02-21 2024-01-09 重油高科电控燃油喷射系统有限公司 多缸发动机共轨燃油喷射系统
DE102021206997A1 (de) * 2021-07-05 2023-01-05 Robert Bosch Gesellschaft mit beschränkter Haftung Injektor und Anordnung mit einem Injektor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2213776A1 (de) * 1972-03-22 1973-09-27 Bosch Gmbh Robert Kraftstoffeinspritzanlage fuer brennkraftmaschinen
JPS59141763A (ja) * 1983-02-03 1984-08-14 Nissan Motor Co Ltd 燃料噴射装置
AT408133B (de) * 1990-06-08 2001-09-25 Avl Verbrennungskraft Messtech Einspritzsystem für brennkraftmaschinen
US5121730A (en) 1991-10-11 1992-06-16 Caterpillar Inc. Methods of conditioning fluid in an electronically-controlled unit injector for starting
US5271371A (en) * 1991-10-11 1993-12-21 Caterpillar Inc. Actuator and valve assembly for a hydraulically-actuated electronically-controlled injector
US5143291A (en) * 1992-03-16 1992-09-01 Navistar International Transportation Corp. Two-stage hydraulic electrically-controlled unit injector
US5297523A (en) 1993-02-26 1994-03-29 Caterpillar Inc. Tuned actuating fluid inlet manifold for a hydraulically-actuated fuel injection system
EP0641931A1 (fr) * 1993-09-06 1995-03-08 Servojet Electronic Systems, Ltd. Système d'injection de combustible à accumulateur
US5522545A (en) * 1995-01-25 1996-06-04 Caterpillar Inc. Hydraulically actuated fuel injector
DE19523878C2 (de) * 1995-06-30 1999-12-30 Mtu Friedrichshafen Gmbh Einspritzvorrichtung zum Einspritzen von Kraftstoff und einem zweiten Fluid in einen Brennraum eines Dieselmotors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6526942B2 (en) 2000-04-20 2003-03-04 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Common rail type fuel injecting device
JP2008215228A (ja) * 2007-03-05 2008-09-18 Denso Corp 燃料噴射装置

Also Published As

Publication number Publication date
DE69727713D1 (de) 2004-03-25
EP0826877A2 (fr) 1998-03-04
DE69729333T2 (de) 2004-09-23
EP0826877B1 (fr) 2003-03-26
DE69720123T2 (de) 2004-01-29
DE69720123D1 (de) 2003-04-30
DE69729333D1 (de) 2004-07-01
DE69727713T2 (de) 2004-11-25
EP0826877A3 (fr) 1998-05-06

Similar Documents

Publication Publication Date Title
US5687693A (en) Hydraulically-actuated fuel injector with direct control needle valve
US5697342A (en) Hydraulically-actuated fuel injector with direct control needle valve
US5682858A (en) Hydraulically-actuated fuel injector with pressure spike relief valve
EP0829640B1 (fr) Injecteur de combustible actionné hydrauliquement comprenant un pointeau à commande directe
US5826562A (en) Piston and barrell assembly with stepped top and hydraulically-actuated fuel injector utilizing same
US5472142A (en) Accumulator fuel injection apparatus
EP2373879B1 (fr) Injecteurs de carburant à stockage intensifié de carburant
US6082332A (en) Hydraulically-actuated fuel injector with direct control needle valve
EP1117927B1 (fr) Injecteur de carburant a commande hydraulique dote d'un piston multiplicateur de pression toujours expose a l'admission de fluide d'actionnement a haute pression
US6364282B1 (en) Hydraulically actuated fuel injector with seated pin actuator
US5709341A (en) Two-stage plunger for rate shaping in a fuel injector
EP1080306B1 (fr) Injecteur de combustible a commande hydraulique avec distributeur a tiroir cylindrique de modulation du regime
US5655501A (en) Rate shaping plunger/piston assembly for a hydraulically actuated fuel injector
JP2002525477A (ja) 燃料噴射弁
US6830202B2 (en) Two stage intensifier
JPH10110658A (ja) 直接制御型ニードルバルブを有する油圧作動燃料噴射器
US6935580B2 (en) Valve assembly having multiple rate shaping capabilities and fuel injector using same
EP0582993B1 (fr) Dispositif d'injection de carburant avec accumulateur
US6119959A (en) Fuel injector with controlled spill to produce split injection
US20090114744A1 (en) Device for the Injection of Fuel Into the Combustion Chamber of an Internal Combustion Engine
EP1152145B1 (fr) Injecteur de carburant à actionnement hydraulique avec une soupape à pointeau à commande directe
US6591812B2 (en) Rail connection with rate shaping behavior for a hydraulically actuated fuel injector
US6752334B2 (en) Fuel injector and method for controlling fuel flow

Legal Events

Date Code Title Description
A300 Withdrawal of application because of no request for examination

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20041102