Internal-combustion engines – Particular piston and enclosing cylinder construction – Piston
Patent
1995-04-05
1995-12-26
Macy, Marguerite
Internal-combustion engines
Particular piston and enclosing cylinder construction
Piston
92208, F02F 300
Patent
active
054778212
ABSTRACT:
A piston for an internal combustion engine. The piston has upper and lower compression rings and a recess between the two which exposes a greater proportion of the ring end gap for the lower compression ring. As a result, the space between the rings and below the lower compression ring provides a capacitance volume to minimize top ring reversal.
REFERENCES:
patent: 1975345 (1934-10-01), Baker
patent: 4253435 (1981-03-01), McCandles
patent: 4282837 (1981-08-01), Holtman et al.
patent: 4383509 (1983-05-01), Bauer
patent: 5081968 (1992-01-01), Bruni
patent: 5425306 (1995-06-01), Binford
Cummins Engine Company, Inc.
Macy Marguerite
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