Injection pump with preinjection

Details Injection pump with preinjection Injection pump with preinjection

1988-06-09

1989-11-21

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

With fuel pump

123500, 417494, F02F 3900, F02F 3928

Patent

active

048815063

ABSTRACT:
The injection pump provides preinjection only during engine idling and partial load. This is achieved by providing a main release opening and an auxiliary release opening in the pump cylinder which appropriately register with first and second release grooves in a pump plunger which is rotatable between full load and low idle positions.

REFERENCES:
patent: 2159177 (1939-05-01), Ricardo
patent: 2565681 (1951-08-01), Fleck
patent: 3435811 (1969-04-01), Guertler
patent: 3677256 (1972-07-01), Regneault
patent: 4013055 (1977-03-01), Sommer
patent: 4448167 (1984-05-01), Schmid
patent: 4737086 (1988-04-01), Yamaguchi

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