Speed regulating devices for rotary machines or the like

Details Speed regulating devices for rotary machines or the like Speed regulating devices for rotary machines or the like

1975-02-21

1977-03-29

Dobeck, B.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318318, 318341, H02P 506

Patent

active

040151808

ABSTRACT:
A first physical quantity derived from a detector coupled to a rotary machine is combined with a first reference physical quantity to produce a rectangular waveform signal with an amplitude which changes in response to the variation in supply voltage. The rectangular waveform signal is converted into a second physical quantity and is compared with a second reference physical quantity derived by the division of a supply voltage to produce control signals for rotating the rotary machine at a predetermined rate.

REFERENCES:
patent: R28567 (1975-10-01), Matthey et al.
patent: 3569808 (1971-03-01), Goto
patent: 3806786 (1974-04-01), Inaba
patent: 3821604 (1974-06-01), Walrauen
patent: 3845375 (1974-10-01), Stiebel

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