Method of coupling magnetic position detecting device with brush

Details Method of coupling magnetic position detecting device with brush Method of coupling magnetic position detecting device with brush

1992-02-20

1993-02-02

Voeltz, Emanuel T.

Electrical generator or motor structure

Dynamoelectric

Rotary

310177, 310 68B, H02K 1500

Patent

active

051840383

ABSTRACT:
A magnetic pole position detecting device is coupled with a brushless dc motor by determining the angular positional relationship between an input shaft of a rotor, a detecting device body, and a locating mark formed on a detecting device casing by outputting absolute values indicative of the angular position of the rotor, coupling an output shaft of the brushless dc motor with the rotor of the detecting device, driving the dc motor externally, and forming another locating mark on the motor casing in alignment with the locating mark formed on the detecting device casing, under a condition in which the angular positional relationship between the motor casing and the detecting device casing is so determined that motor induced voltage is in phase with waveform of the absolute values output. Therefore, it is possible to easily replace the magnetic pole position detecting device with a new one in a short time at any job site, independently from the motor.

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