Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas S. Bensley0
Date of Patent
March 19, 2013
0Patent Application Number
135673240
Date Filed
August 6, 2012
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A magnetic coupling system may be used in a fluid displacement apparatus to magnetically couple a drive shaft to a piston. The magnetic coupling system may include first and second magnetic couplers at the ends of the drive shaft and piston, respectively. The first magnetic coupler and second magnetic coupler may be configured to exert an attractive force. A bearing between the magnetic couplers reduces friction and side loading.
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