JPS5498427A - Fuel injection pump for internal combustion engine - Google Patents

Fuel injection pump for internal combustion engine

Info

Publication number
JPS5498427A
JPS5498427A JP424078A JP424078A JPS5498427A JP S5498427 A JPS5498427 A JP S5498427A JP 424078 A JP424078 A JP 424078A JP 424078 A JP424078 A JP 424078A JP S5498427 A JPS5498427 A JP S5498427A
Authority
JP
Japan
Prior art keywords
passage
engine
fuel
plunger
injected
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
JP424078A
Other languages
Japanese (ja)
Inventor
Masayoshi Kobayashi
Toru Sakuranaka
Keiichi Yamada
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.)
Bosch Corp
Original Assignee
Diesel Kiki 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 Diesel Kiki Co Ltd filed Critical Diesel Kiki Co Ltd
Priority to JP424078A priority Critical patent/JPS5498427A/en
Priority to US06/001,285 priority patent/US4271808A/en
Publication of JPS5498427A publication Critical patent/JPS5498427A/en
Priority to US06/151,905 priority patent/US4327696A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve the starting characteristic of the engine by communicating between a pump chamber formed by plunger head surface and a cut-off port formed in a flange base with a passage through a directional control valve to be operated by a hydraulic pressure source which varies according to the number of revolutions of the engine.
CONSTITUTION: When the amount of fuel being injected is increased before reaching a desired value of idling rotation number immediately after the starting of the engine, a piston valve body 43 is not brought into contact with a receiving washer 46, so that a fuel pressure passage 32 and a cut-off passage 34 in a plunger are closed. Accordingly, the fuel is fed under pressure to an injection nozzle through the passage 32 and a discharging passage 14 at a full stroke ranging from the bottom dead center to the top dead center of the plunger regardless of the position of a control sleeve 16, whereby a sufficient amount of fuel is injected to improve the starting characteristic of the engine.
COPYRIGHT: (C)1979,JPO&Japio
JP424078A 1978-01-20 1978-01-20 Fuel injection pump for internal combustion engine Pending JPS5498427A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP424078A JPS5498427A (en) 1978-01-20 1978-01-20 Fuel injection pump for internal combustion engine
US06/001,285 US4271808A (en) 1978-01-20 1979-01-04 Fuel injection pump for internal combustion engines
US06/151,905 US4327696A (en) 1978-01-20 1980-05-21 Fuel injection pump for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP424078A JPS5498427A (en) 1978-01-20 1978-01-20 Fuel injection pump for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5498427A true JPS5498427A (en) 1979-08-03

Family

ID=11579016

Family Applications (1)

Application Number Title Priority Date Filing Date
JP424078A Pending JPS5498427A (en) 1978-01-20 1978-01-20 Fuel injection pump for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5498427A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034560U (en) * 1983-08-16 1985-03-09 日産自動車株式会社 Fuel injection pump pilot injector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034560U (en) * 1983-08-16 1985-03-09 日産自動車株式会社 Fuel injection pump pilot injector

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