Pumps – Successive stages – Reciprocating rigid stages
Patent
1975-11-05
1976-12-21
Husar, C. J.
Pumps
Successive stages
Reciprocating rigid stages
417492, 74 22R, 308 3A, 308 15, 308176, F04B 902, F16H 3716, F16C 1914, F16C 3100
Patent
active
039985695
ABSTRACT:
A gas compressor or blower comprising a cylinder having gas intake and exhaust ports; a piston which is rotatably and reciprocably movable in the cylinder; valve means for admitting gas into and exhausting air from at least one chamber lying to one side of the piston; a piston shaft to which the piston is secured, the piston shaft passing through seals at the axial ends of the cylinder; means for applying a rotary drive to the piston rod; and a cam arrangement for causing reciprocation of the piston rod as this rotates; wherein said cylinder has an end piece at each end thereof; a set of at least three equiangularly spaced follower assemblies is mounted on an axially outer face of each said end piece, and said piston shaft is supported for rotation by two spaced bearing assemblies, one adjacent to each end of said cylinder and supported by a respective set of said follower assemblies such that each said bearing may move axially relative to said follower assemblies.
REFERENCES:
patent: 113725 (1871-04-01), Baxter, Jr.
patent: 906496 (1908-12-01), Karns
patent: 2222203 (1940-11-01), Manseau
patent: 2559100 (1951-07-01), White
patent: 2992048 (1961-07-01), Longhurst
patent: 3264041 (1966-08-01), Lill
patent: 3295801 (1967-01-01), McDowall et al.
Husar C. J.
Smith Leonard
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