Ultrahigh-pressure check valve
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United States of America Patent
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Issued Date -
Jun 10, 2004
app pub date -
Dec 6, 2002
filing date -
Dec 6, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A check valve for use in a high-pressure pump is provided with a check valve seat having a frustoconical end region that engages a tapered surface provided on an outlet adaptor. By providing a conical interface between the check valve seat and the outlet adaptor, a compressive stress is placed on the valve seat, thereby dramatically increasing the fatigue life of the check valve.
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