Arrangement for injecting fuel for a two-stroke engine

Details Arrangement for injecting fuel for a two-stroke engine Arrangement for injecting fuel for a two-stroke engine

1999-08-15

1989-03-21

Okonsky, David A.

Internal-combustion engines

Two-cycle

Rear compression

123 73AD, 123500, 417395, F04B 4306, F02M 3704, F02M 5920

Patent

active

048133914

ABSTRACT:
The invention relates to a fuel injection arrangement wherein the pump piston of the fuel pump is driven by the pressure in the crankcase of the engine. The fuel injection arrangement includes an opening for tapping the crankcase pressure for actuating a diaphragm in the fuel pump. This opening is controlled by a moving part of the engine such as a crank web or the piston. The moving part closes the opening at least for a portion of the time during which injection occurs thereby delaying the onset of injection to permit a complete combustion during the previous combustion cycle.

REFERENCES:
patent: 2935057 (1960-05-01), Perlewitz
patent: 3913551 (1975-10-01), Shaver
patent: 4381741 (1983-05-01), Walsworth
patent: 4473340 (1984-09-01), Walsworth
patent: 4551076 (1985-11-01), BuBois
patent: 4627390 (1986-12-01), Antoine

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