Valve actuator assembly
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United States of America Patent
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N/A
Issued Date -
Sep 7, 2006
app pub date -
Mar 3, 2006
filing date -
Mar 3, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A valve actuator assembly includes an axially moveable valve and a ramp roller thrust drive. The ramp roller thrust drive includes at least first and second opposed thrust plates, each plate including one or more ramps. A roller is positioned between corresponding opposed plate ramps and a rotation of one of the thrust plates relative to the other thrust plate causes the plates to move axially relative to one another such that axial motion is imparted to the valve.
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