Mechanical face seals
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 25, 1991
Grant Date -
N/A
app pub date -
Jun 4, 1990
filing date -
Jun 6, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanical face seal for providing a seal between a shaft and a housing includes a first seal face member mounted on the shaft in fixed rotational and axial relationship and sealed with respect thereto and a second seal face member mounted in fixed rotational relationship but moveable axially of the housing; said second seal face member being sealed with respect to the housing by means of a sealing element, the sealing element being located in a groove defined between opposed surfaces of the second seal face member and housing, the wall of the groove between the sealing element and the side of the seal exposed to a product being defined by a low friction insert slidably mounted on the second seal face member and providing a close clearance with the housing.
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Cited Art Landscape
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