Electricity: motive power systems – Braking – Automatic and/or with time-delay means
Patent
1986-05-29
1987-11-17
Shoop, Jr., William M.
Electricity: motive power systems
Braking
Automatic and/or with time-delay means
318434, 318335, G05B 500, H02K 1734
Patent
active
047076461
ABSTRACT:
The power output of a variable speed motor is limited to a safe level by determining the maximum allowable speed corresponding to a maximum power output limit over a range of load conditions and then maintaining the speed of the motor below those maximum allowable speeds at the particular load conditions existing at the time.
REFERENCES:
patent: 4102604 (1978-07-01), Rutshtein
patent: 4177649 (1979-12-01), Venema
patent: 4248194 (1981-02-01), Drutchas
patent: 4279013 (1981-07-01), Cameron
patent: 4317176 (1982-02-01), Saar
patent: 4513381 (1985-04-01), Houser
patent: 4526513 (1985-07-01), Bogel
patent: 4628233 (1986-12-01), Bradus
Ballard Gary W.
Thompson Kevin D.
Bigelow Dana F.
Carrier Corporation
Keane Patrick C.
Shoop Jr. William M.
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