Sealing bush unit for sealing reciprocating machine parts
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United States of America Patent
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Aug 23, 1983
Grant Date -
N/A
app pub date -
May 24, 1982
filing date -
May 29, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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