Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 7, 2010
Patent Application Number
10582037
Date Filed
December 10, 2004
Patent Primary Examiner
Patent abstract
A reed valve and a valve retainer for the reed valve are provided at a discharge port of a compression mechanism that compresses fluid. The valve retainer has a polymer actuator at an end part of a valve fixing part for fixing the reed valve. The polymer actuator expands or contracts in length to change a fixed length of the reed valve, thereby changing a rigidity of the reed valve. This attains appropriate control of responsiveness of the reed valve according to the volume.
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