Compressor with single shaft support
AssigneesDenso Corporation, Nippon Sokin, Inc.
InventorsHirokazu Kamiya, Shigeru Kamiya, Masafumi Inoue, Takashi Inoue, Mikio Matsuda
Life of this patent
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Abstract
A piston type compressor having a drive plate (swash plate), wherein sliding friction between the drive plate and shoes is reduced and the compressor is made smaller by slidably attaching the shoes engaged with spherical ends of pistons to a shoe holding plate formed with guide grooves in the radial direction and supporting the shoe holding plate by the drive plate through a thrust bearing. The drive plate is connected to an arm of the shaft side through a double slide link mechanism to enable it to be supported by only a front end of the front housing.
Claims22
A compressor comprising:
- a shaft axially supported by only a front end part of a housing through a bearing and receiving rotational power from a power source;
- a drive plate rotating by being connected with and supported by said shaft and able to tilt with respect to said shaft;
- a shoe holding plate supported by said drive plate through a holding plate thrust bearing forming a roller bearing and thereby taking the same tilt angle, but prevented from rotating;
- a plurality of shoes able to engage with a plurality of shoe guide grooves formed in a radial direction at a peripheral part of said shoe holding plate and slide in the radial direction;
- a drive thrust bearing arranged between said shoes and said drive plate;
- a plurality of pistons directly connected with said shoes and engaging in reciprocating motion, inserted in cylinder bores to suck in and compress a fluid, and preventing rotation of said shoe holding plate;
- and
- means for changing the tilt angle of said drive plate and said shoe holding plate to change a discharge capacity.
Dependencies are inferred from the claim text.