Combustion chamber structure for internal combustion engine

Details Combustion chamber structure for internal combustion engine Combustion chamber structure for internal combustion engine

2005-04-05

2005-04-05

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Combustion chamber

Having squish area

C123S657000

Reexamination Certificate

active

06874489

ABSTRACT:
There are provided on an upper surface of a piston13which confronts to a combustion chamber two first squish areas A1each containing a flat surface13aextending along an outer circumferential portion the piston13in an arc-like fashion and two second squish areas A2formed between valve recesses13d, 13eof respective pairs of inlet and exhaust valves19, 21and each containing a protruding portion which protrudes upwardly.

REFERENCES:
patent: 5309879 (1994-05-01), Regueiro
patent: 2002-89266 (2002-03-01), None

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