ES2119971T3 - FUEL INJECTION NOZZLE. - Google Patents

FUEL INJECTION NOZZLE.

Info

Publication number
ES2119971T3
ES2119971T3 ES94307792T ES94307792T ES2119971T3 ES 2119971 T3 ES2119971 T3 ES 2119971T3 ES 94307792 T ES94307792 T ES 94307792T ES 94307792 T ES94307792 T ES 94307792T ES 2119971 T3 ES2119971 T3 ES 2119971T3
Authority
ES
Spain
Prior art keywords
fuel injection
injection nozzle
chamber
component
nozzle
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.)
Expired - Lifetime
Application number
ES94307792T
Other languages
Spanish (es)
Inventor
John William Stevens
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Application granted granted Critical
Publication of ES2119971T3 publication Critical patent/ES2119971T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02M45/083—Having two or more closing springs acting on injection-valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

UNA BOQUILLA DE INYECCION DE COMBUSTIBLE DE ELEVACION EN DOS ETAPAS QUE INCLUYE UN SOPORTE DE LA BOQUILLA (10) EN EL QUE HAY DEFINIDA UNA CAMARA (16) QUE ALOJA UN PAR DE RESORTES (15, 24) DISPUESTOS SEGUN UNA RELACION AXIAL. LOS RESORTES PROPORCIONAN UNA FUERZA DE POLARIZACION DE DOS ETAPAS A UN MIEMBRO DE VALVULA (13) QUE SE ENCUENTRA DISPUESTO DE FORMA DESLIZANTE EN UN CUERPO DE LA BOQUILLA (11) QUE SE ENCUENTRA ASEGURADO A UN EXTREMO DEL SOPORTE. EL RESORTE (24) QUE SE ENCUENTRA DISPUESTO ADYACENTE AL CUERPO DE LA BOQUILLA SE ENGANCHA A UN MIEMBRO DE REACCION (26) A MODO DE COMPONENTE ANULAR (30) QUE DEFINE UNAS PATILLAS (31) QUE SE PUEDEN EXTENDER HACIA AFUERA HASTA QUEDAR ACOPLADAS A MODO DE SUJECION A LA PARED DE LA CAMARA MEDIANTE UNA CLAVIJA (32) QUE SE ENCUENTRA ACOPLADA DE MANERA ROSCADA AL COMPONENTE.A TWO STAGE ELEVATION FUEL INJECTION NOZZLE INCLUDING A NOZZLE SUPPORT (10) IN WHICH A CHAMBER (16) HAS BEEN DEFINED ACCOMMODATING A COUPLE OF SPRINGS (15, 24) ARRANGED ACCORDING TO AN AXIAL RELATION. THE SPRINGS PROVIDE A TWO STAGE POLARIZATION FORCE TO A VALVE MEMBER (13) WHICH IS SLIDINGLY ARRANGED IN A NOZZLE BODY (11) WHICH IS SECURED AT ONE END OF THE SUPPORT. THE SPRING (24) WHICH IS FOUND ADJACENT TO THE NOZZLE BODY IS HITCHED TO A REACTION MEMBER (26) AS A NON-COMPONENT (30) WHICH DEFINES A PINS (31) THAT CAN BE EXTENDED OUTWARD UNTIL THEY ARE COUPLED METHOD OF FASTENING TO THE WALL OF THE CHAMBER THROUGH A PIN (32) WHICH IS COUPLED THREADED TO THE COMPONENT.

ES94307792T 1993-11-11 1994-10-24 FUEL INJECTION NOZZLE. Expired - Lifetime ES2119971T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939323236A GB9323236D0 (en) 1993-11-11 1993-11-11 Fuel injection nozzle

Publications (1)

Publication Number Publication Date
ES2119971T3 true ES2119971T3 (en) 1998-10-16

Family

ID=10744979

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94307792T Expired - Lifetime ES2119971T3 (en) 1993-11-11 1994-10-24 FUEL INJECTION NOZZLE.

Country Status (4)

Country Link
EP (1) EP0653561B1 (en)
DE (1) DE69412427T2 (en)
ES (1) ES2119971T3 (en)
GB (1) GB9323236D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19839632A1 (en) * 1998-08-31 2000-03-02 Siemens Ag Stroke fuel injector
GB0000909D0 (en) 2000-01-14 2000-03-08 Delphi Diesel Systems Ltd Workpiece
AT511801B1 (en) * 2012-02-07 2013-03-15 Bosch Gmbh Robert METHOD FOR INFLUENCING THE THREADED GEOMETRY OF AN INTERNAL THREAD FOR INTERNAL COMBUSTION ENGINES

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL111457C (en) * 1961-06-12 1965-01-15
SU947461A1 (en) * 1980-11-24 1982-07-30 Ярославский завод дизельной аппаратуры Nozzle for fuel feed into diesel
US4938193A (en) * 1987-06-15 1990-07-03 Stanadyne Automotive Corp. Fuel injection nozzle
DE3839038A1 (en) * 1988-11-18 1990-05-23 Bosch Gmbh Robert FUEL INJECTION NOZZLE FOR INTERNAL COMBUSTION ENGINES
DE4101235C1 (en) * 1991-01-17 1992-06-04 Robert Bosch Gmbh, 7000 Stuttgart, De

Also Published As

Publication number Publication date
GB9323236D0 (en) 1994-01-05
DE69412427D1 (en) 1998-09-17
EP0653561B1 (en) 1998-08-12
EP0653561A1 (en) 1995-05-17
DE69412427T2 (en) 1999-02-18

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