GB2113317B - Hydraulically controlled and cooled unit fuel injector - Google Patents

Hydraulically controlled and cooled unit fuel injector

Info

Publication number
GB2113317B
GB2113317B GB08234523A GB8234523A GB2113317B GB 2113317 B GB2113317 B GB 2113317B GB 08234523 A GB08234523 A GB 08234523A GB 8234523 A GB8234523 A GB 8234523A GB 2113317 B GB2113317 B GB 2113317B
Authority
GB
United Kingdom
Prior art keywords
fuel injector
hydraulically controlled
unit fuel
cooled unit
cooled
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
Application number
GB08234523A
Other languages
English (en)
Other versions
GB2113317A (en
Inventor
Julius P Perr
Lester L Peters
Timothy A Warlick
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.)
Cummins Inc
Original Assignee
Cummins Engine Co 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 US06/336,493 external-priority patent/US4410138A/en
Priority claimed from US06/336,308 external-priority patent/US4420116A/en
Priority claimed from US06/336,332 external-priority patent/US4410137A/en
Application filed by Cummins Engine Co Inc filed Critical Cummins Engine Co Inc
Publication of GB2113317A publication Critical patent/GB2113317A/en
Application granted granted Critical
Publication of GB2113317B publication Critical patent/GB2113317B/en
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
    • 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
    • F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
    • 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
    • F02M57/021—Injectors structurally combined with fuel-injection pumps the injector being of valveless type, e.g. the pump piston co-operating with a conical seat of an injection nozzle at the end of the pumping stroke
    • 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
    • F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
    • F02M57/024—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical with hydraulic link for varying the piston stroke
    • 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
    • F02M59/30—Varying fuel delivery in quantity or timing with variable-length-stroke pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
GB08234523A 1981-12-31 1982-12-03 Hydraulically controlled and cooled unit fuel injector Expired GB2113317B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/336,493 US4410138A (en) 1981-12-31 1981-12-31 Unit injector cooled by timing control fluid
US06/336,308 US4420116A (en) 1981-12-31 1981-12-31 Unit injector employing hydraulically controlled timing and fuel shut off
US06/336,332 US4410137A (en) 1981-12-31 1981-12-31 Miniaturized unit fuel injector employing hydraulically controlled timing

Publications (2)

Publication Number Publication Date
GB2113317A GB2113317A (en) 1983-08-03
GB2113317B true GB2113317B (en) 1985-11-06

Family

ID=27407113

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08234523A Expired GB2113317B (en) 1981-12-31 1982-12-03 Hydraulically controlled and cooled unit fuel injector

Country Status (3)

Country Link
BR (1) BR8207605A (pt)
GB (1) GB2113317B (pt)
MX (1) MX154682A (pt)

Also Published As

Publication number Publication date
BR8207605A (pt) 1983-10-25
GB2113317A (en) 1983-08-03
MX154682A (es) 1987-11-23

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Legal Events

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

Effective date: 19981203