Four-stroke internal combustion engine with spark ignition

Details Four-stroke internal combustion engine with spark ignition Four-stroke internal combustion engine with spark ignition

1997-03-31

1999-07-13

Wolfe, Willis R.

Internal-combustion engines

Combustion chamber means having fuel injection only

Injection of fuel onto igniter, deflector, heater, or atomizer

123307, 123302, F02B 304

Patent

active

059212152

ABSTRACT:
In order to optimize combustion in a four-stroke spark-ignition engine with direct fuel injection, the conditions of charge flow are improved by providing the top surface of each piston with an essentially T-shaped configuration of guiding ribs, i.e., a longitudinal rib extending transversely to the crankshaft axis running and a cross-rib running in the direction of the crankshaft axis.

REFERENCES:
patent: 4759323 (1988-07-01), August
patent: 5127379 (1992-07-01), Kobayashi et al.
patent: 5622150 (1997-04-01), Fraidl et al.
patent: 5727520 (1998-03-01), Wirth et al.
SAE Paper No. 940188 by Lawrence W. Evers, "Characterization of the Transient Spray from a High Pressure Swirl Injector."
Abstract, RU 2013584-C1, "IC Engine Operating Procedure . . . ", May 30, 1994.
Abstract, JP 60-187714 (A), "Combustion Chamber of Diesel Engine", Sep. 25, 1985.

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