Electric motor and tachometric generator unit

Details Electric motor and tachometric generator unit Electric motor and tachometric generator unit

H - Electricity

02

K

318/96

H02K 7/20 (2006.01) G01P 3/487 (2006.01) H02K 23/00 (2006.01) H02K 29/08 (2006.01) H02K 29/14 (2006.01)

Patent

CA 1236876

"ELECTRIC MOTOR AND TACHOMETRIC GENERATOR UNIT" ABSTRACT OF THE DISCLOSURE In this electric motor and tachometric generator unit the generator comprises a rotor secured to the motor shaft and provided with a set of permanent magnets, and a fixed armature incorporating an armature winding. The com- mutation of the generator and motor windings is controlled by a coder via an electronic commutation circuit. The generator rotor is disc-shaped and the magnetic axes of the permanent magnets are parallel to the shaft. The mova- ble portion of the coder is the generator rotor cooperat- ing with a set of fixed magnetic sensors, preferably of the Hall type, mounted on one side of the generator rotor, the fixed armature being mounted on the other side of this rotor. - 1 -

478568

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