DE3245962A1 - Miniaturisierte einspritzeinheit fuer verbrennungsmotoren - Google Patents

Miniaturisierte einspritzeinheit fuer verbrennungsmotoren

Info

Publication number
DE3245962A1
DE3245962A1 DE19823245962 DE3245962A DE3245962A1 DE 3245962 A1 DE3245962 A1 DE 3245962A1 DE 19823245962 DE19823245962 DE 19823245962 DE 3245962 A DE3245962 A DE 3245962A DE 3245962 A1 DE3245962 A1 DE 3245962A1
Authority
DE
Germany
Prior art keywords
injection
inlet
fuel
piston
central bore
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
DE19823245962
Other languages
German (de)
English (en)
Other versions
DE3245962C2 (enrdf_load_stackoverflow
Inventor
Julius P. Perr
Lester L. 47201 Columbus Ind. Peters
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 US06/330,249 external-priority patent/US4473330A/en
Priority claimed from US06/332,249 external-priority patent/US4471909A/en
Priority claimed from US06/336,334 external-priority patent/US4441654A/en
Application filed by Cummins Engine Co Inc filed Critical Cummins Engine Co Inc
Publication of DE3245962A1 publication Critical patent/DE3245962A1/de
Application granted granted Critical
Publication of DE3245962C2 publication Critical patent/DE3245962C2/de
Granted 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
    • 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
    • F02M59/102—Mechanical drive, e.g. tappets or cams
    • 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)
DE19823245962 1981-12-14 1982-12-11 Miniaturisierte einspritzeinheit fuer verbrennungsmotoren Granted DE3245962A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/330,249 US4473330A (en) 1980-12-12 1981-12-14 Automatic tapping device for use on a mechanical press
US06/332,249 US4471909A (en) 1981-12-18 1981-12-18 Miniaturized unit fuel injector
US06/336,334 US4441654A (en) 1981-12-31 1981-12-31 Fuel injector assembly including a blow-back prevention cam

Publications (2)

Publication Number Publication Date
DE3245962A1 true DE3245962A1 (de) 1983-07-07
DE3245962C2 DE3245962C2 (enrdf_load_stackoverflow) 1988-09-01

Family

ID=27406719

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823245962 Granted DE3245962A1 (de) 1981-12-14 1982-12-11 Miniaturisierte einspritzeinheit fuer verbrennungsmotoren

Country Status (1)

Country Link
DE (1) DE3245962A1 (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2095889A (en) * 1935-08-05 1937-10-12 Pokorney Henry Fuel injecting device
US3125078A (en) * 1964-03-17 Fuel supply system
DE1776178A1 (de) * 1964-03-25 1971-04-22 Cummins Engine Co Inc Brennstoffeinspritzvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125078A (en) * 1964-03-17 Fuel supply system
US2095889A (en) * 1935-08-05 1937-10-12 Pokorney Henry Fuel injecting device
DE1776178A1 (de) * 1964-03-25 1971-04-22 Cummins Engine Co Inc Brennstoffeinspritzvorrichtung

Also Published As

Publication number Publication date
DE3245962C2 (enrdf_load_stackoverflow) 1988-09-01

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition