Reciprocating compressor with a pressed fit bushing

Details Reciprocating compressor with a pressed fit bushing Reciprocating compressor with a pressed fit bushing

2006-02-14

2006-02-14

Lopez, F. Daniel (Department: 3745)

Expansible chamber devices

With linkage or transmission having relatively movable members

C384S296000, C384S906000

Reexamination Certificate

active

06997101

ABSTRACT:
A reciprocating compressor is capable of preventing a bush, provided between an eccentric shaft and an eccentric shaft mounting hole of a connecting rod, from being deformed. The reciprocating compressor includes a rotating shaft rotated by a drive unit which generates a rotating force. An eccentric shaft is eccentrically rotated by the rotating shaft. A piston reciprocates by a force transmitted from the eccentric shaft, thus compressing a refrigerant. A connecting rod has, on an end thereof, an eccentric shaft mounting hole so that the eccentric shaft is mounted to the end of the connecting rod, and converts a rotating motion of the eccentric shaft into a reciprocating motion to reciprocate the piston. A bush is placed between the eccentric shaft mounting hole and the eccentric shaft to fill a space between the eccentric shaft mounting hole and the eccentric shaft, with a hinge hole being provided at a predetermined portion of the bush to allow the eccentric shaft to be rotatably fitted into the hinge hole. A fitting recess is provided on one of the eccentric shaft mounting hole and the bush, and a fitting projection is provided on a remaining one of the eccentric shaft mounting hole and the bush to engage with the fitting recess through a press-fitting process.

REFERENCES:
patent: 2989354 (1961-06-01), Merriman
patent: 10-02758770000 (2000-09-01), None
Patent Abstract of Korean 10-0275877 Published Sep. 25, 2000.

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