Vane-type rotary compressor with side plates having separate bos

Details Vane-type rotary compressor with side plates having separate bos Vane-type rotary compressor with side plates having separate bos

1989-03-22

1991-09-03

Vrablik, John J.

Rotary expansible chamber devices

Specific material

384557, F04C 18344, F04C 2904, F16C 3504

Patent

active

050449087

ABSTRACT:
A vane-type rotary compressor is provided with front and rear side plates for closing both axial ends of a cam ring, are provided boss sections for receiving bearing for rotatably supporting rotor shaft, and a flange sections radially extending from the associated boss sections. The boss section and the flange section are made of different material and formed into integral form by insert casting. Namely, the boss section is made of a material having a linear expansion coefficient substantially equal to the linear expansion coefficient of a bearing. Furthermore, the boss section is formed with one or more radially extending projections.

REFERENCES:
patent: 3884601 (1975-05-01), Anthony
patent: 4545749 (1985-10-01), Sakamaki et al.
patent: 4598559 (1986-07-01), Tomayko et al.
patent: 4615663 (1986-10-01), Iio et al.
patent: 4907897 (1990-03-01), Shirotori

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