Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eddy H. Del Rio0
Date of Patent
August 14, 2007
0Patent Application Number
110935890
Date Filed
March 30, 2005
0Patent Primary Examiner
Patent abstract
The spindle of a vane motor is designed to enhance the power, speed and torque by undercutting the spindle adjacent to the vanes on the power stroke side to increase the working area of the vanes and by adding slots intermediate the vane formed in said spindle and each slot has a working face for accepting pressurized air during the power stroke. The slots are located out of coincidence with the rotating axis of the spindle and the vanes include a contoured bottom edge fitted into the slots so as to enhance its ability to be retracted in opposition to centrifugal force created by the rotating cylinder.
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