Pilot oil ignition gas engine and method of operating pilot...

Details Pilot oil ignition gas engine and method of operating pilot... Pilot oil ignition gas engine and method of operating pilot...

2006-10-10

2006-10-10

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Burning by highly compressed air

Oil engine air preheated

C123S00100A, C123S256000, C123S304000, C123S525000

Reexamination Certificate

active

07117826

ABSTRACT:
The gas engine of the present invention has a pilot oil fuel valve, a pilot oil pump, and first and second pipes connected to a pilot oil main pipe, for each of a plurality of combustion chambers. An operating pilot oil tank and an ignition stimulant-added pilot oil tank are connected via a switching valve to a third pipe, connected to an end of the pilot oil main pipe. Before operating stops, the pilot oil is discharged by opening an exhaust valve, and thereafter, the switching valve is switched and pilot oil which the ignition stimulant has been added to is supplied into the pipe. Consequently, the pilot oil downstream from the main pipe is replaced with the pilot oil which the ignition stimulant has been added to. Therefore, at the time of the next activation, pilot oil which the ignition stimulant has been added to is sprayed from the fuel valve, and, as a result, misfire at the time of activation is reduced, and a highly reliable engine is obtained.

REFERENCES:
patent: 6209511 (2001-04-01), Goto et al.
patent: 0 957 246 (1999-11-01), None
patent: 1-167452 (1989-07-01), None
patent: 11-324805 (1999-11-01), None
patent: 2000-64838 (2000-02-01), None

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