Operation control apparatus of a compressor

Details Operation control apparatus of a compressor Operation control apparatus of a compressor

1980-10-14

1983-07-19

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Torque responsive

62133, 192103R, 192150, 417 42, 417223, 417269, F04B 4902, F04B 4906, F16D 4324

Patent

active

043939660

ABSTRACT:
An operation control apparatus is provided of a compressor having a rotary shaft which is rotated by a driving apparatus by way of a clutch. The operation control apparatus comprises a recess or projection formed in or on one end surface of the rotary shaft as a portion-to-be-sensed offset from the axis thereof, an electromagnetic sensor disposed in facing relation with a locus described by the recess or projection according to the rotation of the rotary shaft, and a pulse monitoring circuit connected to the sensor. The sensor generates a periodic pulse signal in response to rotation of the rotary shaft. The pulse monitoring circuit generates a clutch release commanding signal to the clutch when it receives no pulse signal from the sensor for a predetermined time duration to protect the driving apparatus.

REFERENCES:
patent: 2107341 (1938-02-01), Peo
patent: 2981076 (1961-04-01), Gaugler et al.
patent: 3121314 (1964-02-01), Koyanagi
patent: 4101249 (1978-07-01), Nakayama et al.
patent: 4299543 (1981-11-01), Shibuya
patent: 4321991 (1982-03-01), Teijido

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