Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1991-07-09
1992-10-27
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 68R, 388800, H02P 500
Patent
active
051592185
ABSTRACT:
A solid state controller is mounted directly to a permanent magnet, brushless DC motor. The controller operates the motor at constant torque and variable speed. Speed is determined in accordance with density of the through flow. The motor and controller can be employed to circulate fluid in a circulation loop having variable pressure.
REFERENCES:
patent: 4221998 (1980-09-01), Haught et al.
patent: 4371818 (1983-02-01), Lewis
patent: 4773829 (1988-09-01), Vettori
patent: 4949021 (1990-04-01), Rozman et al.
patent: 5019757 (1991-05-01), Beifus
Le Dong T.
Murry Roger P.
Allied-Signal Inc.
Gortler Hugh P.
Jones Judson H.
Skudy R.
Walsh Robert A.
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