Mechanical face seal with minute pores in sliding surface

Details Mechanical face seal with minute pores in sliding surface Mechanical face seal with minute pores in sliding surface

1982-09-17

1983-11-22

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 1, 277 962, 277215, 277DIG6, F16J 1520, F16J 1534

Patent

active

044164580

ABSTRACT:
A mechanical seal having a fixed member airtightly fixed along the outer circumference thereof in a bearing house formed in the housing of a compressor, a support member mounted on the rotary shaft of the compressor received through the bearing house and supported rotatably in the housing, a rotary member airtightly mounted along the inner circumference thereof on the rotary shaft and a spring disposed between the rotary member and the support member to press the rotary member against the fixed member in the axial direction. The sliding surface of the rotary member to be in sliding contact with the sliding surface of the fixed member has a hardness of Hv 350 and above and minute pores of 30 .mu.m and less in maximum major diameter to retain lubricating oil therein so that the housing of the compressor is sealed to prevent leakage of the gas and the lubricating oil contained within the housing through the bearing house.

REFERENCES:
patent: 3572730 (1971-03-01), Otto et al.
patent: 3822066 (1974-07-01), Keys

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