Variable capacity wobble plate compressor

Details Variable capacity wobble plate compressor Variable capacity wobble plate compressor

1998-02-03

1999-09-21

Nguyen, Hoang

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Parallel cylinders

92 57, 92 71, 417269, F04B 112, F01B 300

Patent

active

059539798

ABSTRACT:
A variable capacity wobble plate compressor includes a first spring, fitted on a drive shaft between a hinge ball axially slidably fitted on the drive shaft and a thrust flange rigidly fitted on the drive shaft, for urging the hinge ball toward a cylinder block, and a second spring fitted on the drive shaft between the hinge ball and the cylinder block for urging the hinge ball toward the thrust flange. As the hinge ball is moved toward the thrust flange, a linkage connecting a drive hub slidably mounted on the hinge ball a causes an inclination of the drive hub to be increased to increase capacity of the compressor, and as the hinge ball is moved toward the cylinder block, the linkage causes the inclination of the drive hub to be decreased to decrease the capacity of the compressor. A first stopper blocks the hinge ball from moving toward the thrust flange in excess of a predetermined amount, to thereby restrict an increase in the inclination of the drive hub and set the maximum capacity of the compressor. A second stopper blocks the hinge ball from moving toward the cylinder block in excess of a predetermined amount to thereby set the minimum capacity of the compressor.

REFERENCES:
patent: 5228841 (1993-07-01), Kimura et al.
patent: 5247794 (1993-09-01), Benson et al.
patent: 5370505 (1994-12-01), Takenaka et al.

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