Electricity: motive power systems – Positional servo systems – With stabilizing features
Patent
1976-10-13
1979-06-26
Truhe, J. V.
Electricity: motive power systems
Positional servo systems
With stabilizing features
318663, 318666, 318673, G05B 501
Patent
active
041594452
ABSTRACT:
Multiple purpose feedback control system comprising and characterized by a detecting means for detecting the controlled variable and converting the detected variable into a feedback signal output; a signal converting means for receiving the feedback signal from the detecting means and amplifying the signal for input into a balancing motor to convert the signal into rotary displacement in proportion to the said signal; a limit control switch for receiving the rotary movement to compare the movement with a desired value; a pair of electro-magnetic devices for transmission actuated or controlled by the limit control switch at upper and lower limits; a pair of electro-magnetic switches actuated by an on/off solenoid; an electro-magnetic device for braking actuated or controlled by the electro-magnetic switch operated by said control switch; a drive means for driving the main shaft of a control gear means; a control gear set moved by the coupling of the pair of electro-magnetic device and braked by the braking electro-magnetic device; a control gear which serves as the last gear of the said gear set, a variable resistor controlled by the said control gear for corresponding regulation of the controlled variable; and a pair of safety switches.
REFERENCES:
patent: 1101938 (1914-06-01), Kinton
patent: 1971313 (1934-08-01), Johnson
patent: 3239735 (1966-03-01), Raider et al.
patent: 3628120 (1971-12-01), Fredriksen
Indyk Eugene S.
Truhe J. V.
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