Measuring and testing – Speed – velocity – or acceleration
Patent
1978-03-27
1979-09-11
Gill, James J.
Measuring and testing
Speed, velocity, or acceleration
73527, 235104, G01P 104, G01P 348
Patent
active
041671198
ABSTRACT:
An apparatus for measuring frequency of rotation of a shaft, connectable to his shaft through a reducing gear having a solenoid clutch at the output thereof, has the output shaft of this solenoid clutch associated with a driver and a return spring. The driver is adapted to rotate a memory mechanism through an actuator fast with the shaft of this mechanism. The shaft of the memory mechanism carries an indicator of the frequency of rotation of the shaft and an overrunning clutch operatively connected with a solenoid brake controlled by a pulse generator. The pulse generator is successively connectable to the solenoid clutch to perform a measurement of the frequency of rotation of the main shaft, and to the outer cage of the overrunning clutch to register the frequency of rotation of the shaft, which is being measured. The apparatus is usable in all kinds of industrial and other applications, wherever the frequency of rotation of a shaft is to be monitored, particularly, in an environment characterized by the presence of distortion and vibration.
REFERENCES:
patent: 749743 (1904-01-01), McQuown
patent: 1626697 (1927-05-01), Rodanet
patent: 2097215 (1937-10-01), Rodanet
Brjukhov Boris F.
Buchin Nikolai B.
Shilov Vasily P.
Gill James J.
Nauchno-Issledovatelsky I Proektno-Konstruktorsky Institut Po Do
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