FR2136720A5 - - Google Patents

Info

Publication number
FR2136720A5
FR2136720A5 FR7214917A FR7214917A FR2136720A5 FR 2136720 A5 FR2136720 A5 FR 2136720A5 FR 7214917 A FR7214917 A FR 7214917A FR 7214917 A FR7214917 A FR 7214917A FR 2136720 A5 FR2136720 A5 FR 2136720A5
Authority
FR
France
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.)
Expired
Application number
FR7214917A
Other languages
French (fr)
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.)
BOSCH
Original Assignee
BOSCH
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 BOSCH filed Critical BOSCH
Application granted granted Critical
Publication of FR2136720A5 publication Critical patent/FR2136720A5/fr
Expired 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
    • 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
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift
    • 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
    • F02M45/08—Injectors peculiar thereto
    • F02M45/086—Having more than one injection-valve controlling discharge orifices
    • 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
    • F02M61/161—Means for adjusting injection-valve lift
    • 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
    • F02M2200/44—Valves, e.g. injectors, with valve bodies arranged side-by-side
    • 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
    • F02M2200/505—Adjusting spring tension by sliding spring seats

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
FR7214917A 1971-04-29 1972-04-26 Expired FR2136720A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2121121A DE2121121C3 (en) 1971-04-29 1971-04-29 Fuel injector for internal combustion engines

Publications (1)

Publication Number Publication Date
FR2136720A5 true FR2136720A5 (en) 1972-12-22

Family

ID=5806373

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214917A Expired FR2136720A5 (en) 1971-04-29 1972-04-26

Country Status (6)

Country Link
US (1) US3764076A (en)
AT (1) AT312372B (en)
DE (1) DE2121121C3 (en)
FR (1) FR2136720A5 (en)
GB (1) GB1389299A (en)
IT (1) IT953848B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066213A (en) * 1976-04-16 1978-01-03 Deere & Company Fuel injection nozzle assembly
DE2711391A1 (en) * 1977-03-16 1978-09-21 Bosch Gmbh Robert FUEL INJECTOR
DE2943896A1 (en) * 1979-10-31 1981-05-14 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
DE2944339A1 (en) * 1979-11-02 1981-05-14 Volkswagenwerk Ag, 3180 Wolfsburg IC engine with two spark plugs per cylinder - has fuel injector directing separate fuel jets at plugs during idling
DE3407545A1 (en) * 1984-03-01 1985-09-05 Hubert 8500 Nürnberg Keiczek Fuel injection nozzle for internal-combustion engines
GB9920144D0 (en) 1999-08-26 1999-10-27 Lucas Industries Ltd Fuel injector
US8069835B2 (en) * 2005-03-09 2011-12-06 Caterpillar Inc. Internal combustion engine and operating method therefor
US7556017B2 (en) * 2006-03-31 2009-07-07 Caterpillar Inc. Twin needle valve dual mode injector
US9046067B2 (en) * 2012-09-28 2015-06-02 Caterpillar Inc. Dual fuel injector with off set check biasing springs
US9175651B2 (en) * 2013-08-19 2015-11-03 Caterpillar Inc. Dual fuel system for internal combustion engine and leakage limiting seal strategy for same
US20140346254A1 (en) * 2014-08-07 2014-11-27 Caterpillar Inc. Fuel injector for gaseous injection
CN107100773A (en) * 2017-05-04 2017-08-29 芜湖市海联机械设备有限公司 A kind of fuel injector
WO2019145592A1 (en) * 2018-01-23 2019-08-01 Wärtsilä Finland Oy Fuel injection arrangement and method of operating piston engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE615604C (en) * 1931-12-09 1935-07-11 Alessandro Baj Dr Ing Fluid-controlled injection device for internal combustion engines
GB549419A (en) * 1941-04-18 1942-11-20 Nat Gas And Oil Engine Company Improvements in or relating to injection nozzles for internal-combustion engines
FR1209212A (en) * 1958-06-27 1960-02-29 Improvements made to pressurized liquid injectors, particularly fuel injectors

Also Published As

Publication number Publication date
GB1389299A (en) 1975-04-03
DE2121121C3 (en) 1979-01-25
US3764076A (en) 1973-10-09
DE2121121A1 (en) 1972-11-09
DE2121121B2 (en) 1978-06-01
AT312372B (en) 1973-12-27
IT953848B (en) 1973-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse