Method of injecting fuel for two-stroke engine and apparatus the

Details Method of injecting fuel for two-stroke engine and apparatus the Method of injecting fuel for two-stroke engine and apparatus the

1986-06-17

1987-10-20

Feinberg, Craig R.

Internal-combustion engines

Two-cycle

Rear compression

123504, 123447, F02B 3304

Patent

active

047006684

ABSTRACT:
The invention is directed to a method of fuel injection for two-stroke engines, especially for hand-operated tools such as motor-driven saws and the like. The fuel-injection pump is charged with pressure present in the crankcase thereby causing fuel to be pumped for injection and combustion in the engine. The injection operation is triggered and the onset of injection into the combustion chamber is effected when the crankcase pressure rises. The pressure conducted from the crankcase to the injection pump can be automatically regulated as a function of the rotational speed and/or load conditions of the engine.

REFERENCES:
patent: 4471728 (1984-09-01), Borst et al.
patent: 4551076 (1985-11-01), DuBois
patent: 4552101 (1985-11-01), Borst et al.

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