Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 20, 2009
Patent Application Number
10564001
Date Filed
June 14, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A compressor which includes a piston (150) reciprocating in a cylinder bore (111) provided in a cylinder block. Length of the circumferential surface at the compression load side (160) is made to be longer than that at the anti-compression load side (170), so that area of sliding-contact surface at the compression load side is greater than that at the anti-compression load side. The above configuration is effective to prevent occurrence of wearing due to unsymmetrical contact of piston with cylinder bore. Thus, deterioration in the refrigeration capability and instability of the performance is prevented.
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