Remote speed controller for a motor

Details Remote speed controller for a motor Remote speed controller for a motor

1985-10-03

1987-04-21

Salce, Patrick R.

Electricity: motive power systems

Induction motor systems

Primary circuit control

361329, H02P 740

Patent

active

046599754

ABSTRACT:
A remote speed controller for an electric motor, the controller comprising a switching unit having three switches. A capacitor pack incorporating two capacitors is connected to the switching unit such that different combinations of the capacitors can be selected by one switch. The controller is connected in circuit between an AC voltage supply and windings of a motor so that selective actuation of the one switch changes the speed of the motor in accordance with the values of the capacitors selected. Further switches are incorporated to provide reverse motor capability and remote sensor capability.

REFERENCES:
patent: 2847629 (1958-08-01), Schaefer
patent: 3988709 (1976-10-01), McKinnon et al.
patent: 3996499 (1976-12-01), Gary et al.
patent: 4215303 (1980-07-01), Brimer
patent: 4446416 (1984-05-01), Wanlass
patent: 4555654 (1985-11-01), Spradling et al.

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