| 摘要 |
<p>A power cutoff device in an automobile requiring no complicated detecting means, as well as being independent of the combination of an engine and an apparatus to be rotated, said power cutoff device comprising first detecting means (16, 18) for generating a first signal having a predetermined voltage level while the engine is in operation, second detecting means (20, 22) for generating a second electric signal having a predetermined voltage level while an apparatus (10) to be rotated is out of operation, judging means (24) for generating a trouble signal indicating that said apparatus (10) to be rotated is in trouble according to AND conditions of said first and second electric signals when said apparatus (10) to be rotated is to be operated, and controlling and alarming means (28) for controlling an electromagnetic clutch (14) so as to disengage said apparatus (10) to be rotated from a driving belt (12) on the basis of said trouble signal and alarming that said apparatus (10) to be rotated is in trouble.</p> |
