Internal-combustion engines – Particular piston and enclosing cylinder construction – Cylinder detail
Patent
1986-07-08
1988-05-24
Lazarus, Ira S.
Internal-combustion engines
Particular piston and enclosing cylinder construction
Cylinder detail
123256, 123279, 123310, F02F 326
Patent
active
047458917
ABSTRACT:
Disclosed is an improvement whereby performance of an internal combustion engine, an Otto cycle engine in particular, is increased by the provision of two distinct in-piston combustion chambers (2, 3) per cylinder these take the form of pockets (4, 5) dissimilar in volume, sunk into the crown (6) of each piston (1) in position directly beneath the inlet and exhaust valves (7, 8) and provided each with a spark plug (13). In a preferred embodiment, such pockets (4, 5) exhibit the shape of sector to an annulus, and their side walls (9, 10) are splayed in such a way as to enhance circulation and escape of combustion gases.
REFERENCES:
patent: 1658464 (1928-02-01), Rushmore
patent: 2324705 (1943-07-01), Huber
patent: 2827033 (1958-03-01), Bodine
patent: 2881743 (1959-04-01), Holt
patent: 3144008 (1964-08-01), List
patent: 4294207 (1981-10-01), May
patent: 4366789 (1983-01-01), Eckert
Lazarus Ira S.
Macy M.
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