Electric compressor driving apparatus for automobile

Details Electric compressor driving apparatus for automobile Electric compressor driving apparatus for automobile

1995-11-21

1998-09-01

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Compressor protective circuits

361 23, 361 78, 361115, H02H 700

Patent

active

058019111

ABSTRACT:
A comparison voltage which is stepwise changed by control of a microcomputer through photocouplers is compared with a voltage of a direct-current power supply, and a signal of comparison result is given to the microcomputer through a photocoupler. The voltage of the direct-current power supply is detected on the basis of the comparison voltage when the signal of the comparison result changes.

REFERENCES:
patent: 5428967 (1995-07-01), Goto

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