Drive mechanism for a valve

Details Drive mechanism for a valve Drive mechanism for a valve

1986-05-19

1987-11-10

Rosenthal, Arnold

Fluid handling

Convertible

Reversible check

137556, 25112903, 25112912, 474135, F16K 3160, F16K 3105

Patent

active

047050616

ABSTRACT:
A drive mechanism for a spindle of a valve includes an electromotor with subsequently connected gear transmission which are arranged laterally offset to the axis as defined by the spindle to allow the latter to move in axial direction unimpeded from electromotor and gear transmission and to be adjustable to arbitrary strokes. The spindle is actuated by a nut which cooperates with the gear transmission and is locked in its quiescent stage to prevent a rotation thereof. The gear transmission is also manually actuatable via a crank handle whose grip portion in addition serves also a viewing glass when attaching the crank handle in elongation of the spindle at an appropriate location of the housing.

REFERENCES:
patent: 4213480 (1980-07-01), Orum et al.
patent: 4220313 (1980-09-01), Petersen et al.

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