Rotary fluid compressor having an oldham mechanism

Details Rotary fluid compressor having an oldham mechanism Rotary fluid compressor having an oldham mechanism

1994-09-15

1996-08-06

Vrablik, John J.

Rotary expansible chamber devices

Non-metallic working member, cylinder or partition

418220, 464104, F04C 1800, F04C 2900, F16D 304

Patent

active

055428320

ABSTRACT:
A fluid compressor having a rotational force transmitting mechanism. The mechanism comprises an Oldam portion, an Oldam ring and a second cylinder gearing. The Oldam portion is integral with a piston. The Oldam ring has a first pair of key grooves and a second pair of key grooves. The key grooves of the first pair extend at right angles to those of the second pair. The second cylinder bearing is fitted in the cylinder and has two projections fitted in the key grooves of the second pair. The Oldam ring is made of silicon nitride ceramic.

REFERENCES:
patent: 5125805 (1992-06-01), Fujiwara et al.
patent: 5252048 (1993-10-01), Fujiwara et al.

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