JPS5612049A - Distribution-type fuel injection pump - Google Patents

Distribution-type fuel injection pump

Info

Publication number
JPS5612049A
JPS5612049A JP8758079A JP8758079A JPS5612049A JP S5612049 A JPS5612049 A JP S5612049A JP 8758079 A JP8758079 A JP 8758079A JP 8758079 A JP8758079 A JP 8758079A JP S5612049 A JPS5612049 A JP S5612049A
Authority
JP
Japan
Prior art keywords
plunger
hole
fuel
starting
communication
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.)
Pending
Application number
JP8758079A
Other languages
Japanese (ja)
Inventor
Yukinori Miyata
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.)
Denso Corp
Original Assignee
NipponDenso Co 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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP8758079A priority Critical patent/JPS5612049A/en
Publication of JPS5612049A publication Critical patent/JPS5612049A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fuel-Injection Apparatus (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)

Abstract

PURPOSE: To perform good starting without using another starting unit, by providing the plunger of a fuel injection pump with two communication passages to control the quantity of injection and by using a control ring to shut off one of the communication passages at the time of starting.
CONSTITUTION: A plunger 7, which is reciprocated and swung by the action of a cam 8, is provided in a pump casing 3. Fuel pressurized by the plunger 7 is supplied to an injection nozzle, which is not shown in the figure, through the longitudinal hole 12 of the plunger and the passage hole 15 of the casing 3. The plunger 7 has two communication passages 17, 20, through which the longitudinal hole 12 and a fuel chamber 4 in the casing 3 are connected to each other. The quantity of the fuel through the communication hole 17 is regulated by the action of an ordinary spill ring 16. A control ring 21, which shuts off the other communication hole 20 only at the time of starting, is provided in the communication hole so that the hole can be opened and closed. Therefore, the supplied quantity of the fuel to the nozzle can be increased and decreased.
COPYRIGHT: (C)1981,JPO&Japio
JP8758079A 1979-07-11 1979-07-11 Distribution-type fuel injection pump Pending JPS5612049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8758079A JPS5612049A (en) 1979-07-11 1979-07-11 Distribution-type fuel injection pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8758079A JPS5612049A (en) 1979-07-11 1979-07-11 Distribution-type fuel injection pump

Publications (1)

Publication Number Publication Date
JPS5612049A true JPS5612049A (en) 1981-02-05

Family

ID=13918932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8758079A Pending JPS5612049A (en) 1979-07-11 1979-07-11 Distribution-type fuel injection pump

Country Status (1)

Country Link
JP (1) JPS5612049A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567868A (en) * 1983-09-30 1986-02-04 Nissan Motor Company, Limited Fuel injection system for an internal combustion engine
JPS61128615A (en) * 1984-11-28 1986-06-16 Matsushita Electric Ind Co Ltd Head amplifier
JPS61192534U (en) * 1985-05-24 1986-11-29
DE3938780A1 (en) * 1989-11-23 1991-02-07 Bayerische Motoren Werke Ag Fuel distribution and injection system - is for Diesel engine and can be controlled either by accelerator pedal or by electrical device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567868A (en) * 1983-09-30 1986-02-04 Nissan Motor Company, Limited Fuel injection system for an internal combustion engine
JPS61128615A (en) * 1984-11-28 1986-06-16 Matsushita Electric Ind Co Ltd Head amplifier
JPS61192534U (en) * 1985-05-24 1986-11-29
DE3938780A1 (en) * 1989-11-23 1991-02-07 Bayerische Motoren Werke Ag Fuel distribution and injection system - is for Diesel engine and can be controlled either by accelerator pedal or by electrical device

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