High pressure water pump valve and seal structure
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United States of America Patent
Stats
-
Jul 17, 2012
Grant Date -
Jun 10, 2010
app pub date -
Dec 4, 2008
filing date -
Dec 4, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve seat for use in a high pressure pump comprises an inner portion force fit within an outer portion. The outer portion has a fluid plenum at an outer peripheral surface. Fluid passages extend radially inwardly to communicate with a valve recess in the inner portion. A seal housing for a high pressure pump comprises an outer portion and an inner portion. The inner portion is force fit within the outer portion. The inner portion has an inner bore having a first location to receive seal packings, and a second location to receive valve spring structure. The inner portion has a curved surface that bottoms out against a curved surface within the outer portion.
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