Electric actuators

Details Electric actuators Electric actuators

1984-05-07

1985-07-30

Shoop, Jr., William M.

Electricity: motive power systems

Braking

Friction braking

318254, 318261, 318696, 318362, 310 83, 188162, H02K 710

Patent

active

045324620

ABSTRACT:
An electric actuator having an electric motor operable to control the output force generated by a spring system of the actuator on an output member of the actuator; measuring means responsive to a characteristic of the spring system which is indicative of the value of the output force; and an electrical circuit by which operation of the electric motor can be initiated and can be terminated when the measuring means detects the characteristic as being indicative of the output force of a required value.

REFERENCES:
patent: 212688 (1879-02-01), Hansell
patent: 874219 (1907-12-01), Mahoney
patent: 2418351 (1947-04-01), Jackson
patent: 2446393 (1948-08-01), Russell
patent: 2479019 (1949-08-01), Ochtman
patent: 2480212 (1949-08-01), Baines
patent: 2482464 (1949-09-01), Chapman
patent: 2756014 (1956-07-01), Leibfried
patent: 3013624 (1961-12-01), De Remer et al.
patent: 3039758 (1962-06-01), Gratzmuller
patent: 3159758 (1964-12-01), Hemperly et al.
patent: 3399879 (1968-09-01), Hojo et al.
patent: 3659683 (1972-05-01), Betzing
patent: 4136304 (1979-01-01), Baechler et al.
patent: 4364111 (1982-12-01), Jocz
patent: 4393319 (1983-07-01), Bock
patent: 4445075 (1984-04-01), Fry
patent: 4463291 (1984-07-01), Usry

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