Rotary expansible chamber devices – Positively actuated vane
Reexamination Certificate
2007-08-14
2007-08-14
Trieu, Theresa (Department: 3748)
Rotary expansible chamber devices
Positively actuated vane
C418S268000, C418S269000, C418S270000
Reexamination Certificate
active
11093589
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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patent: 11351123 (1999-12-01), None
Friedland Norman
The Anspach Effort, Inc.
Trieu Theresa
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