Apparatus for detecting a rotor angle of reluctance motor

Details Apparatus for detecting a rotor angle of reluctance motor Apparatus for detecting a rotor angle of reluctance motor

2007-07-31

2007-07-31

Karl, Tamai (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S166000, C310S216006

Reexamination Certificate

active

11086448

ABSTRACT:
An end surface of a rotor core is offset from an end surface of a stator core by a predetermined amount in an axial direction going away from Hall ICs. In an operating condition of the motor, magnetomotive forces generating from the stator core induce a thrust force acting on the rotor core. The gap (i.e. distance) between the magnet and the Hall ICs does not exceed a pre-designated appropriate distance, and is stably maintained at a constant level (or range). In other words, the gap (i.e. distance) between the magnet and the Hall ICs can be accurately maintained at the pre-designated appropriate distance by utilizing the magnetic attraction force generating from the stator core.

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