Electromotive drive for a control element

Details Electromotive drive for a control element Electromotive drive for a control element

1989-08-30

1991-03-05

Lorence, Richard

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74 8915, 744248VA, 251 69, 251 71, F16K 3100, F16H 2508

Patent

active

049970690

ABSTRACT:
There is provided an electromotive drive for a control element, the overall drive is without self-inhibition, for which purpose its screw transmission has rolling elements in the thread, and the drive motor is a rotating field magnet. Provision is made for a freewheel clutch disposed between the drive motor and the screw transmission. A non-inhibiting reduction gear may be arranged between the freewheel clutch and the drive motor.

REFERENCES:
patent: 2930571 (1960-03-01), Vogl
patent: 3080952 (1963-03-01), Carlstedt
patent: 3258985 (1966-07-01), Jordan
patent: 3640140 (1972-02-01), Gulick et al.
patent: 3685790 (1972-08-01), Crowe
patent: 4090589 (1978-05-01), Fitzwater
Lueger Lexikon der Technik, pp. 137-138, Ehrhardt and Franke (1960).

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