Lever-mechanism motor or pump

Details Lever-mechanism motor or pump Lever-mechanism motor or pump

2006-05-16

2006-05-16

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Positively actuated abutment

Spring biased

C418S249000, C418S012000, C418S083000

Reexamination Certificate

active

07044725

ABSTRACT:
A machine, such as an engine, which includes a cylinder (1), an essentially cylindrical piston (5) set on bearings and equipped with an eccentrically-set shaft (11), an inlet port or valve (8), an outlet port or valve (9), and a lever device (7), which is attached by bearings to a shaft (6) and which is intended to be in essentially tight contact with the piston (5). The cylinder (1) forms an essentially cylindrical chamber for the rotary piston (5) and a partially cylindrical chamber for the lever device (7) that moves backwards and forwards. The piston (5) is equipped, in the interior of the working chamber, with sliding-ring-type bearings (13, 14).

REFERENCES:
patent: 715933 (1902-12-01), Allen
patent: 778091 (1904-12-01), Wiest
patent: 3216406 (1965-11-01), Welm
patent: 4214557 (1980-07-01), Beach
patent: 4423710 (1984-01-01), Williams
patent: 4487167 (1984-12-01), Williams

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