Regulating device

Details Regulating device Regulating device

2003-09-01

2011-11-01

Fristoe, Jr., John (Department: 3753)

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

C251S001100

Reexamination Certificate

active

08047505

ABSTRACT:
A regulating device for the linear regulation of an actuating element is connected for movement to a ball spindle drive for the conversion of a rotational movement into a linear movement. The rotational movement can be transferred to the spindle drive from at least one motor via a gear unit. The gear unit exhibits a self-locking, helically toothed spur-wheel gear, which is formed as a double helical gear with at least one first and second spiral-toothed gearwheel. In each case at least one motor is arranged at both ends of the ball spindle drive and each motor is connected for movement with a second spiral-toothed gearwheel.

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