Sealing bush unit for sealing reciprocating machine parts

Details Sealing bush unit for sealing reciprocating machine parts Sealing bush unit for sealing reciprocating machine parts

1982-05-24

1983-08-23

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 3, 277 27, 277165, 92165R, 92167, 92168, 417437, F16J 1548, F04B 2108

Patent

active

043999972

ABSTRACT:
A sealing bush unit for sealing a reciprocating machine part has an annular bush with an inner diameter exceeding an outer diameter of the reciprocating pump to form a radial gap therebetween, a radially outer surface arranged so that a working pressure acts upon the same and the bush radially displaces towards the reciprocating part, one flat end face facing toward a suction zone and providing an abutment for the sealing bush, and another end face facing toward a pressure zone, wherein a pressing ring is arranged adjacent to the other end face of the bush with axial play relative to a machine housing.

REFERENCES:
patent: 536255 (1895-03-01), Baldwin
patent: 2145854 (1939-02-01), Bijur
patent: 2910007 (1959-10-01), Buri
patent: 3019739 (1962-02-01), Prosser
patent: 3418001 (1968-12-01), Rentschler et al.
patent: 3742822 (1973-07-01), Talbert
patent: 4020910 (1977-05-01), Peterson et al.

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