Starting device for internal combustion engine

Details Starting device for internal combustion engine Starting device for internal combustion engine

2005-09-20

2005-09-20

Dolinar, Andrew M. (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

C123S179500, C123S182100

Reexamination Certificate

active

06945220

ABSTRACT:
A starting device for an internal combustion engine is capable of increasing starting torque as well as supplying air to a cylinder that is on the expansion stroke without separately providing a means for supplying high-pressure air. Communication control valves control the states of communication between cylinders of the engine. A crank angle detector detects the crank angle of a crankshaft of the engine. A compression/expansion identification part identifies the compression stroke or the expansion stroke of each cylinder. Fuel is injected into a cylinder on the expansion stroke and ignited therein, and the expansion stroke cylinder is placed in communication with a cylinder on the exhaust stroke by a communication state control part for a prescribed time after the ignition thereof, after which the expansion stroke cylinder is further placed in communication with a cylinder on the compression stroke for a prescribed time.

REFERENCES:
patent: 4191152 (1980-03-01), Deutschmann
patent: 4312308 (1982-01-01), Slattery
patent: 11-125136 (1999-05-01), None
patent: 2002-039038 (2002-02-01), None

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