Expansible chamber devices – Displacement control of plural cylinders arranged in... – Parallel cylinders
Patent
1991-01-08
1992-01-14
Look, Edward K.
Expansible chamber devices
Displacement control of plural cylinders arranged in...
Parallel cylinders
92 71, 417222C, 74 60, F01B 300, F01B 1304
Patent
active
050799967
ABSTRACT:
A fluid pumping assembly including a housing and a plurality of pistons disposed parallel relative to one another and supported for reciprocal movement in the housing. The assembly also includes a shaft which is supported by the housing and which has a longitudinal axis. A wobble plate is mounted about the shaft. A drive mechanism is rotatably driven about the longitudinal axis of the shaft and drives the wobble plate through angulartory movement relative to the shaft thereby reciprocating the pistons. The shaft is nonrotatably supported in the housing but is precisely moveable coaxial of its longitudinal axis to predetermined points to adjust the position of the wobble plate thereby precisely varying the displacement of the assembly.
REFERENCES:
patent: 2684630 (1954-07-01), Widmer et al.
patent: 2721519 (1955-10-01), Henrichsen
patent: 2955475 (1960-10-01), Zubaty
patent: 2964234 (1960-12-01), Loomis, III
patent: 3143973 (1964-08-01), Bubzich
patent: 3450058 (1969-06-01), Stein
patent: 4077269 (1978-03-01), Hodgkinson
patent: 4428718 (1984-01-01), Skinner
Abousabha Naji G.
Swadner Robert L.
Denion Thomas
General Motors Corporation
Look Edward K.
Phillips Ronald L.
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