Method and means for feeding electric energy to a portable power

Details Method and means for feeding electric energy to a portable power Method and means for feeding electric energy to a portable power

1982-12-15

1984-12-18

Goldberg, E. A.

Electricity: motive power systems

Synchronous motor systems

318723, H02P 540

Patent

active

044892616

ABSTRACT:
A method and a means for feeding electric energy to a portable power tool is based on a principle according to which the brushless AC motor of the tool is individually supplied with power from a solid state inverter type power supply by which the amplitude and frequency of the AC current are automatically and individually adapted to the instantaneous load conditions experienced by the motor.

REFERENCES:
patent: 3372323 (1968-03-01), Guyeska
patent: 3619749 (1968-10-01), Schieman
patent: 4207510 (1980-06-01), Woodbury
patent: 4259629 (1981-03-01), Kurosawa
patent: 4320332 (1982-03-01), Sugimoto
patent: 4338558 (1982-07-01), Okamatsu et al.
patent: 4394610 (1983-07-01), Polland

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