Method and apparatus for controlling axial pump

Details Method and apparatus for controlling axial pump Method and apparatus for controlling axial pump

1997-11-25

1999-11-09

Ryznic, John E.

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

91505, 91506, F01B 300, F01B 1304

Patent

active

059792949

ABSTRACT:
A control system, method and apparatus are provided in which a rotatable wedge portion which is solidly mounted on a rotatable base engages piston and cylinder assemblies as the base rotates. In another embodiment the rotatable base is not affixed to the shaft, but instead is allowed to rotate with respect to the shaft, while the shaft is affixed to the cylinder and piston, which rotate with the shaft. The wedge is rotatable through various positions relative to the base, thus providing an adjustable tilt angle and different strokes for the pistons. In another embodiment, the single wedge is replaced by a double wedge assembly.

REFERENCES:
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patent: 3139037 (1964-06-01), Budzich
patent: 3208395 (1965-09-01), Budzich
patent: 3223042 (1965-12-01), Thresher
patent: 3233550 (1966-02-01), Smith
patent: 3304886 (1967-02-01), Roberts
patent: 3486454 (1969-12-01), Tuzson
patent: 4771676 (1988-09-01), Matsumoto et al.
patent: 4771677 (1988-09-01), Rohde et al.
patent: 5230610 (1993-07-01), Reichenmiller
patent: 5253576 (1993-10-01), Bethke

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