Automatic control system

Motors: expansible chamber type – Constantly applied motive fluid with controlled venting

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Details

91386, 91387, 74 892, F15B 1316

Patent

active

043432247

ABSTRACT:
In the case of a pressure-worked automatic control system with a closed loop, and, more specially, a position automatic control system, the position of a servo-element is dependent on a spring placed between the servo-element or servo-motor and the sensing unit of the position automatic control system. The spring, placed between the servo-element or servo-motor and the sensing unit of the position automatic control system, is made up of at least one spiral spring, whose one end is able to be turned by a moving servo-part of the servo-element or servo-motor, while its other end is designed for acting on the sensing unit of the position automatic control system.

REFERENCES:
patent: 1077884 (1913-11-01), Kinney
patent: 2930390 (1960-03-01), Whitehead, Jr.
patent: 3003357 (1961-10-01), Votta, Jr.
patent: 3051139 (1962-08-01), Thorner
patent: 3463183 (1969-08-01), Wallace

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