GB9307480D0 - Fuel injection nozzle for pre-injection and main injection - Google Patents

Fuel injection nozzle for pre-injection and main injection

Info

Publication number
GB9307480D0
GB9307480D0 GB9307480A GB9307480A GB9307480D0 GB 9307480 D0 GB9307480 D0 GB 9307480D0 GB 9307480 A GB9307480 A GB 9307480A GB 9307480 A GB9307480 A GB 9307480A GB 9307480 D0 GB9307480 D0 GB 9307480D0
Authority
GB
United Kingdom
Prior art keywords
injection
main
nozzle
fuel
fuel injection
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.)
Granted
Application number
GB9307480A
Other versions
GB2266559B (en
GB2266559A (en
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.)
Robert Bosch GmbH
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 GB9307480D0 publication Critical patent/GB9307480D0/en
Publication of GB2266559A publication Critical patent/GB2266559A/en
Application granted granted Critical
Publication of GB2266559B publication Critical patent/GB2266559B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/182—Discharge orifices being situated in different transversal planes with respect to valve member direction of movement
    • 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
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/1826—Discharge orifices having different sizes
    • 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
    • F02M2200/46—Valves, e.g. injectors, with concentric valve bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
GB9307480A 1992-05-02 1993-04-08 Fuel injection nozzles Expired - Fee Related GB2266559B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19924214646 DE4214646A1 (en) 1992-05-02 1992-05-02 FUEL INJECTION NOZZLE FOR PRIME AND MAIN INJECTION

Publications (3)

Publication Number Publication Date
GB9307480D0 true GB9307480D0 (en) 1993-06-02
GB2266559A GB2266559A (en) 1993-11-03
GB2266559B GB2266559B (en) 1995-08-16

Family

ID=6458084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9307480A Expired - Fee Related GB2266559B (en) 1992-05-02 1993-04-08 Fuel injection nozzles

Country Status (3)

Country Link
JP (1) JPH0626416A (en)
DE (1) DE4214646A1 (en)
GB (1) GB2266559B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4419185C2 (en) * 1994-06-01 1996-08-14 Man Nutzfahrzeuge Ag Injection valve for air-compressing internal combustion engines
US5899389A (en) * 1997-06-02 1999-05-04 Cummins Engine Company, Inc. Two stage fuel injector nozzle assembly
DE19843616B4 (en) * 1998-09-23 2006-07-06 Siemens Ag fuel Injector
JP4132555B2 (en) 1999-04-15 2008-08-13 株式会社リコー Double-sided reading apparatus and image forming apparatus
DE10058153A1 (en) * 2000-11-22 2002-06-06 Bosch Gmbh Robert Injection nozzle with separately controllable nozzle needles
US6557779B2 (en) 2001-03-02 2003-05-06 Cummins Engine Company, Inc. Variable spray hole fuel injector with dual actuators
DE10133434A1 (en) * 2001-07-10 2003-01-23 Bosch Gmbh Robert Fuel injection valve for internal combustion engine has second control chamber whose pressure can be regulated and moves inner valve needle in closing direction
US6637675B2 (en) 2001-07-13 2003-10-28 Cummins Inc. Rate shaping fuel injector with limited throttling
US6557776B2 (en) 2001-07-19 2003-05-06 Cummins Inc. Fuel injector with injection rate control
US6705543B2 (en) 2001-08-22 2004-03-16 Cummins Inc. Variable pressure fuel injection system with dual flow rate injector
DE10155679A1 (en) 2001-11-13 2003-05-28 Bosch Gmbh Robert Fuel injection valve has external outline of screw shell suitable for screw tool exerting tangential force on shell
FR2840367B1 (en) * 2002-06-04 2004-12-10 Renault Sa FUEL INJECTOR FOR A DIESEL-TYPE MOTOR VEHICLE INTERNAL COMBUSTION ENGINE
DE10247958A1 (en) 2002-10-15 2004-04-29 Robert Bosch Gmbh Fuel injection device for an internal combustion engine
DE10320491B4 (en) * 2003-05-08 2014-05-08 Volkswagen Ag Fuel injection valve for an internal combustion engine
DE102004011096A1 (en) * 2004-03-06 2005-09-22 Robert Bosch Gmbh Fuel injection valve, for an IC motor common rail system, has an outer needle for an injection opening and an inner axial sliding needle for a further opening for one to be used when idling and all openings when the motor power is increased
EP1637730B1 (en) 2004-09-17 2014-04-16 Delphi International Operations Luxembourg S.à r.l. Fuel injection nozzle and method of manufacture
DE102004055262A1 (en) * 2004-11-17 2006-05-18 Robert Bosch Gmbh Fuel injection valve for internal combustion engines
ATE391849T1 (en) * 2005-07-13 2008-04-15 Delphi Tech Inc INJECTOR
ATE391848T1 (en) * 2005-07-13 2008-04-15 Delphi Tech Inc INJECTOR
KR100742512B1 (en) * 2006-09-20 2007-07-24 현대중공업 주식회사 Two-phase fuel injection valve for diesel engine
CN103967671A (en) * 2014-05-22 2014-08-06 中国北方发动机研究所(天津) Dual-valve orifice-area-variable fuel nozzle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2710138A1 (en) * 1977-03-09 1978-09-14 Maschf Augsburg Nuernberg Ag MULTI-HOLE INJECTION NOZZLE
DE3048304A1 (en) * 1980-12-20 1982-07-29 Robert Bosch Gmbh, 7000 Stuttgart "FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES"

Also Published As

Publication number Publication date
JPH0626416A (en) 1994-02-01
GB2266559B (en) 1995-08-16
DE4214646A1 (en) 1993-11-04
GB2266559A (en) 1993-11-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050408