Automotive air conditioning compressor piston with eccentric ant

Details Automotive air conditioning compressor piston with eccentric ant Automotive air conditioning compressor piston with eccentric ant

1996-11-25

1998-02-24

Gluck, Richard E.

Expansible chamber devices

Relatively movable working members

Interconnected with common rotatable shaft

92165R, F04B 2708

Patent

active

057202150

ABSTRACT:
A piston (40) for use in a compressor housing (10) having a cylindrical inner surface (12) with an anti rotation wing (42) of improved design. The outer surface of the piston anti rotation wing (42) includes a pair of spaced, semi cylindrical pads (48), each with a radius substantially equal to the compressor housing inner surface (12). Each pad (48) is located on the anti rotation wing (42) such that, when the winG (42) is centered, the inner edge of each pad (48) is radially spaced slightly from the housing inner surface (12), and each pad is eccentric relative to the center of the compressor housing surface (12). When the anti rotation wing (42) turns in either direction, one pad (48) or the other contacts the housing inner surface (12) concentrically, making continuous supporting contact.

REFERENCES:
patent: 4963074 (1990-10-01), Sanuki et al.

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