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AssigneesToyoda Jidosha Kogyo Kabushiki Kaisha, Nippon Denso Co., Ltd.
InventorsHiroya Kono, Jun Hasegawa, Mitsukane Inagaki, Hisao Kobayashi
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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.
An operation control apparatus of a compressor provided with a rotary shaft which is rotated by a driving apparatus by way of a clutch, and a housing for rotatably supporting said rotary shaft, comprising:
Dependencies are inferred from the claim text.