G - Physics
01
P
73/68
G01P 1/00 (2006.01) B66B 1/34 (2006.01) G01P 1/04 (2006.01)
Patent
CA 1190410
14 ABSTRACT OF THE DISCLOSURE A friction driven tachogenerator having a fric- tion drive wheel in contact with a movable member. The tachogenerator is compliantly and frictionlessly mounted, and at least one pressure roller is disposed in tangential, rolling contact with the friction drive wheel. The pres- sure roller biases the friction wheel against the movable member to provide a predetermined contact pressure between the friction wheel and movable member without applying a significant load to the shaft and bearings of the tacho- generator. The compliant and frictionless mounting of the tachogenerator is devoid of friction sources which can interfere with the sensing of velocity oscillations by the tachogenerator.
434598
Caputo William R.
Trivedi Jitendra K.
Oldham And Company
Westinghouse Electric Corporation
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