Cylinder injection type two cycle engine

Details Cylinder injection type two cycle engine Cylinder injection type two cycle engine

1990-07-24

1992-08-18

Okonsky, David A.

Internal-combustion engines

Two-cycle

Rear compression

123 73AD, 123 73CB, F02B 3304

Patent

active

051389843

ABSTRACT:
A fuel supply system for a two cycle crankcase compression internal combustion engine embodying direct cylinder injection and carburetors for supplying a fuel air mixture to the crankcase chambers of the engine for high speed cooling. The direct fuel injectors supply the fuel at the low speed operation and a fixed amount of fuel at mid range and high speed, while the carburetor supplies only the mid range and high speed requirements of the engine in combination with the fuel injectors. Fuel is supplied first to the fuel bowls of the carburetors which have a vapor vent and then from the fuel bowls to the fuel injectors so as to avoid the necessity of a separate vapor separator for the fuel injectors.

REFERENCES:
patent: 3916851 (1975-11-01), Otani
patent: 4462346 (1984-07-01), Haman et al.
patent: 4765304 (1988-08-01), Brown
patent: 4779581 (1988-10-01), Maier
patent: 4898127 (1990-02-01), Phillips et al.
patent: 4905638 (1990-03-01), Curtis et al.
patent: 4920933 (1990-05-01), Iwai et al.

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