Swashplate compressor piston having an extra support surface

Details Swashplate compressor piston having an extra support surface Swashplate compressor piston having an extra support surface

2001-02-13

2003-07-15

Look, Edward K. (Department: 3745)

Expansible chamber devices

Relatively movable working members

Interconnected with common rotatable shaft

C092S16500R

Reexamination Certificate

active

06591735

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to the field of pistons for use in swashplate type compressors.
BACKGROUND OF THE INVENTION
Swashplate compressors use a swashplate disposed on a shaft at an angle to translate rotational movement into linear movement of a piston. The piston movement allows for compression of a gas within the cylinder bore. In these compressors, a side load can be exerted on the piston, adding stress to the piston. The present invention provides an extra support surface for receiving a portion of the side load, thereby reducing the side load experienced by the main body of the piston.


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patent: 6325599 (2001-12-01), Herder et al.
patent: 6422128 (2002-07-01), Ahn
patent: 0 952 341 (1999-10-01), None

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