Internal combustion engine

Details Internal combustion engine Internal combustion engine

2005-01-04

2005-01-04

McMahon, Marguerite (Department: 3747)

Internal-combustion engines

Particular piston and enclosing cylinder construction

Piston

C277S437000

Reexamination Certificate

active

06837205

ABSTRACT:
An internal combustion engine is disclosed that includes a piston construction having a compression ring sealing arrangement that prevents penetration of gases thereby, which gases normally produce pollution and inefficiency in gasoline consumption. The essential elimination of combustion gases and oil vapors from leaking through the compression rings effectively eliminates objectionable emissions that result in pollution and enables the vehicle in which the present invention is utilized to substantially increase its gasoline consumption efficiency; and in addition an engine incorporating the invention maintains its power output even while substantially increasing gasoline consumption efficiency.

REFERENCES:
patent: 3400701 (1968-09-01), Tessmer
patent: RE31005 (1982-08-01), Prasse et al.
patent: 4384729 (1983-05-01), Birenbaum
patent: 4629200 (1986-12-01), Ruddy
patent: 4669369 (1987-06-01), Holt et al.
patent: 5490445 (1996-02-01), Rao et al.
patent: 6205961 (2001-03-01), Bailey et al.
patent: 6321731 (2001-11-01), Russ et al.

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