Valve seat
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 1, 1981
Issued Date -
N/A
app pub date -
Oct 23, 1979
filing date -
Sep 19, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A valve seat contains a seat ring (12) with flat, parallel side faces (19, 20). The seat ring consists of steel or possibly of PTFE. When the valve is being shut by a throttle (1), a sealing surface of the throttle is pressed against the seat ring which adopt itself as to form and position to the mean line of the throttle, and the seat ring is displaced in a groove (18) in the plane of the seat. A couple of spring washers (10, 11) sealingly engage the parallel side faces of the seat ring. When the throttle is reopened the spring washers secure the seat ring in its position.
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Family
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Cited Art Landscape
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