Measuring and testing – Dynamometers – Responsive to torque
Reexamination Certificate
2005-10-18
2005-10-18
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Dynamometers
Responsive to torque
C073S862045, C073S862325, C310S0400MM
Reexamination Certificate
active
06955097
ABSTRACT:
A radial movement capacitive torque sensor includes a pair of concentric capacitor plate rings lying in a common plane, a capacitor plate ring facing the pair of concentric capacitor plate rings, and a paddle assembly disposed between the pair of concentric capacitor plate rings and the capacitor plate ring. The paddle assembly includes a first rotor having a circular opening and having at least one pair of spaced apart bearings mounted thereon, a second rotor having a circular opening and having at least one pivot point located thereon, and at least one paddle having a dielectric head, a curved neck and a body. The curved neck is disposed between a corresponding one of said at least one pair of spaced bearings, and the body is pivotally coupled to a corresponding one of said at least one pivot point. The sensor can be mounted on a shaft having two shaft portions interconnected by an embedded torsion rod to measure the torque applied to the torsion rod when the shaft portions are rotated one with respect to the other.
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Hansen Robert K.
Madni Asad M.
Vuong Jim B.
BEI Sensors & Systems Company, Inc,.
Christie Parker & Hale LLP
Field Linda
Lefkowitz Edward
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