Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 26, 2009
Patent Application Number
11271992
Date Filed
November 9, 2005
Patent Primary Examiner
Patent abstract
A valve actuator is provided that comprises a unitary housing and a piston translatably mounted within the housing. The piston comprises a first portion having a first diameter and a second portion having a second diameter that is greater than the first diameter. A position sensor having a third diameter at least as large as the second diameter is fixedly coupled to the housing and to the piston for determining the position of the piston.
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