Is a
Patent attributes
Patent Applicant
0
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert E. Harvey, III0
Jie Jiang0
Robert R. Kimberlin0
William C. Rawnsley, Jr.0
William M. Larson0
Date of Patent
March 1, 2005
0Patent Application Number
103409300
Date Filed
January 13, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A motor pump is provided in which the motor rotor is optimally force balanced for enhanced operation. The motor pump includes a pump head for pressurizing a fluid, and an electric motor drives the pump head. High pressure fluid is circulated through the motor air gap. The shaft of the motor rotor is axially movable with respect to the pump head such that the motor rotor is effectively floated in high pressure fluid as the fluid flows through the motor.
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