Distribution type fuel injection pump

Details Distribution type fuel injection pump Distribution type fuel injection pump

1978-06-29

1980-09-02

Myhre, Charles J.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123507, 123139AQ, 123503, F02M 3900

Patent

active

042201284

ABSTRACT:
A distribution type fuel injection pump comprising a plunger and a control sleeve slidably mounted on the plunger. The plunger reciprocally moves along its axis while at the same time rotating about same. The control sleeve is rotated about the plunger at the time of the starting operation of an engine. A groove is formed on the cylindrical inner wall of the control sleeve. A plurality of radial passages connected to the compression chamber of the plunger is formed in the plunger. Each of the radial passages is arranged so as to face the groove of the control sleeve at one time per one revolution of the plunger. At the time of starting the engine, the radial passages are connected to the groove of the control sleeve in the suction stroke for increasing the quantity of the fuel to be injected. Contrary to this, the radial passages are connected to the groove of the control sleeve at the beginning of the delivery stroke slightly after the engine has been started.

REFERENCES:
patent: 2159177 (1939-05-01), Ricardo
patent: 2624327 (1953-01-01), Hogeman
patent: 2640419 (1953-06-01), Evans
patent: 3673996 (1972-07-01), Drein
patent: 3910724 (1975-08-01), Okamoto
patent: 3942498 (1976-03-01), Eheim

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