Ferrous sintered alloy vane and rotary compressor

Details Ferrous sintered alloy vane and rotary compressor Ferrous sintered alloy vane and rotary compressor

1987-11-25

1989-08-22

Goldberg, Howard N.

Rotary expansible chamber devices

Specific material

291568B, 291568R, 419 25, F03C 200

Patent

active

048591645

ABSTRACT:
A vane used in a rotary compressor, and rotary compressor including the vane are made from a ferrous sintered alloy. The method comprises the steps of preparing metal powder mixture primarily containing iron, compacting the powder mixture to obtain a powder compact, sintering the powder compact to obtain a sintered body, subjecting sub-zero treatment to the sintered body, and tempering the sintered body. The sintered alloy product is used as a vane slidably disposed in a vane groove of the rotary compressor whose cooling medium is maintainable without deterioration of its property.

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patent: 4101712 (1978-07-01), Bomford et al.
patent: 4490175 (1984-12-01), Matsuzaki
patent: 4618317 (1986-10-01), Matsuzaki
Japanese Laid Open Patent Publication No. 56-5955, Jan. 22, 1981.

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