DE3807965C2 - Pumpedüse - Google Patents

Pumpedüse

Info

Publication number
DE3807965C2
DE3807965C2 DE3807965A DE3807965A DE3807965C2 DE 3807965 C2 DE3807965 C2 DE 3807965C2 DE 3807965 A DE3807965 A DE 3807965A DE 3807965 A DE3807965 A DE 3807965A DE 3807965 C2 DE3807965 C2 DE 3807965C2
Authority
DE
Germany
Prior art keywords
pump
pressure
injection
piston
chamber
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.)
Revoked
Application number
DE3807965A
Other languages
German (de)
English (en)
Other versions
DE3807965A1 (de
Inventor
Uwe Dipl Ing Scher
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Priority to DE3807965A priority Critical patent/DE3807965C2/de
Publication of DE3807965A1 publication Critical patent/DE3807965A1/de
Application granted granted Critical
Publication of DE3807965C2 publication Critical patent/DE3807965C2/de
Anticipated expiration legal-status Critical
Revoked 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
    • 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
    • F02M45/06—Pumps peculiar thereto
    • F02M45/066—Having specially arranged spill port and spill contour on the piston
    • 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
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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)
DE3807965A 1987-03-21 1988-03-10 Pumpedüse Revoked DE3807965C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE3807965A DE3807965C2 (de) 1987-03-21 1988-03-10 Pumpedüse

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3709370 1987-03-21
DE3807965A DE3807965C2 (de) 1987-03-21 1988-03-10 Pumpedüse

Publications (2)

Publication Number Publication Date
DE3807965A1 DE3807965A1 (de) 1988-10-06
DE3807965C2 true DE3807965C2 (de) 1994-08-25

Family

ID=6323706

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3807965A Revoked DE3807965C2 (de) 1987-03-21 1988-03-10 Pumpedüse

Country Status (4)

Country Link
JP (1) JP2511980Y2 (US20100223739A1-20100909-C00005.png)
DE (1) DE3807965C2 (US20100223739A1-20100909-C00005.png)
FR (1) FR2612569B1 (US20100223739A1-20100909-C00005.png)
IT (1) IT1216126B (US20100223739A1-20100909-C00005.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755591A1 (de) * 1997-12-15 1999-06-17 Volkswagen Ag Zur Vor- und Haupteinspritzung von Kraftstoff eingerichtete Kraftstoffeinspritzvorrichtung
DE10211201A1 (de) * 2002-03-14 2003-09-25 Volkswagen Ag Pumpe-Düse-Element für eine Brennkraftmaschine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913113A (en) * 1989-01-09 1990-04-03 Baranescu George S Internal combustion engine with fuel tolerance and low emissions
DE3913062A1 (de) * 1989-04-21 1990-10-25 Daimler Benz Ag Kraftstoffeinspritzvorrichtung fuer eine luftverdichtende brennkraftmaschine, insbesondere solche als direkteinspritzer
JP2796382B2 (ja) * 1989-12-07 1998-09-10 ヤンマーディーゼル株式会社 二段噴射式電子制御ユニットインジェクタ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855539A1 (de) * 1978-12-22 1980-07-03 Daimler Benz Ag Pumpe - duese fuer luftverdichtende einspritzbrennkraftmaschinen
FR2482669A2 (fr) * 1979-05-28 1981-11-20 Semt Perfectionnement a une pompe d'injection pour un moteur a combustion interne
DE2922426A1 (de) * 1979-06-01 1980-12-11 Daimler Benz Ag Kraftstoffeinspritzpumpe mit unterteilter foerderung
JPS5783658A (en) * 1980-11-14 1982-05-25 Nippon Denso Co Ltd Fuel injection device
DE3318010A1 (de) * 1983-05-18 1984-11-22 Robert Bosch Gmbh, 7000 Stuttgart Einspritzeinrichtung fuer eine brennkraftmaschine
US4505243A (en) * 1983-07-04 1985-03-19 Nissan Motor Company, Limited Electromagnetic injection control valve in unit fuel injector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755591A1 (de) * 1997-12-15 1999-06-17 Volkswagen Ag Zur Vor- und Haupteinspritzung von Kraftstoff eingerichtete Kraftstoffeinspritzvorrichtung
DE10211201A1 (de) * 2002-03-14 2003-09-25 Volkswagen Ag Pumpe-Düse-Element für eine Brennkraftmaschine

Also Published As

Publication number Publication date
JP2511980Y2 (ja) 1996-09-25
DE3807965A1 (de) 1988-10-06
JPH0158771U (US20100223739A1-20100909-C00005.png) 1989-04-12
IT1216126B (it) 1990-02-22
FR2612569B1 (fr) 1994-06-03
IT8819821A0 (it) 1988-03-17
FR2612569A1 (fr) 1988-09-23

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8320 Willingness to grant licences declared (paragraph 23)
8331 Complete revocation