Variable reluctance motor providing holding torque

Details Variable reluctance motor providing holding torque Variable reluctance motor providing holding torque

1990-04-10

1991-10-22

Skudy, R.

Electricity: motive power systems

Synchronous motor systems

Hysteresis or reluctance motor systems

310 49R, 310155, 310181, 310168, H02P 542

Patent

active

050598848

ABSTRACT:
A variable reluctance motor (10, 100, 200) for providing holding torque in accordance with the invention includes a magnetically permeable rotor (12); a stator (18) axially aligned with the rotor having at least one phase winding (22) for producing a magnetic field causing the rotor to rotate; and a first cylindrical magnet (26) mounted coaxial with and outboard from a first side of the rotor which creates a permanent magnetic field coupling the rotor to the magnet to provide holding torque.

REFERENCES:
patent: 1957399 (1934-05-01), Walther
patent: 3984711 (1976-10-01), Kordik
patent: 4048531 (1977-09-01), Buess et al.
patent: 4712028 (1987-12-01), Horber
patent: 4757224 (1988-07-01), McGee et al.
patent: 4827164 (1989-05-01), Horber
patent: 4954737 (1990-09-01), Guichard

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