Variable capacity wobble plate compressor with high stability of

Details Variable capacity wobble plate compressor with high stability of Variable capacity wobble plate compressor with high stability of

1984-05-09

1985-11-19

Freeh, William L.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

417270, F04B 128

Patent

active

045539057

ABSTRACT:
A wobble plate compressor which is adapted to vary the angularity of the wobble plate during rotation in response to the difference between the resultant reaction force exerted by the pistons on their compression and suction strokes and the pressure in the crankcase. The wobble plate is supported by a first fulcrum movable along the drive shaft around which it is disposed, at a diametrically central location, and by a second fulcrum at a location radially spaced from the drive shaft. The second fulcrum is formed by an end of an arm member disposed for rotation together with the drive shaft. The above end of the arm member is in camming engagement with a side surface of the wobble plate so that with an increase in the angularity of the wobble plate the second fulcrum moves toward the axis of the drive shaft through a substantial stroke, whereby the angularity of the wobble plate can vary at a reduced rate relative to a change in the pressure in the crankcase, thereby enhancing the stability of capacity control.

REFERENCES:
patent: 3861829 (1975-01-01), Roberts
patent: 4061443 (1977-12-01), Black
patent: 4077269 (1978-03-01), Hodgkinson
patent: 4178135 (1979-12-01), Roberts
patent: 4294139 (1981-10-01), Bex
patent: 4428718 (1984-01-01), Skinner

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