Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1995-01-24
1996-04-30
Rivell, John
Fluid handling
Line condition change responsive valves
Direct response valves
13754319, 1375121, F16K 1508
Patent
active
055115837
ABSTRACT:
A valve for intake or exhaust of gas with respect to a compressor comprises a seating plate and a guard plate releasably attached in opposed relation. The seating plate has a plurality of clusters of holes extending from an outer side of the seating plate thereinto, the holes of each cluster being arranged along a respective circular locus and communicating with respective seating surfaces opening through an inner side of the seating plate. The clusters are non-concentrically spaced from one another about the seating plate. The guard plate defines a respective stop surface generally opposed to but spaced from the seating surfaces associated with each such cluster of holes. The guard plate also has flow passages therethrough from an inner side thereof to an outer side and communicating with the spaces between the stop surfaces and the seating surfaces. A respective annular seal ring is reciprocable between each stop surface and the respective opposed seating surfaces and has sealing surfaces sized and shaped to engage and seal against the respective seating surfaces. A plurality of springs carried by the guard plate each engage a respective one of the seal rings to bias the seal ring toward its seating surfaces.
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Photos depicting Assignee's more recent commercial embodiments, date unknown.
Dover Resources, Inc.
Rivell John
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