Machine element or mechanism – Elements – Gear casings
Patent
1983-06-01
1986-04-29
Lyddane, William E.
Machine element or mechanism
Elements
Gear casings
310 89, 25112911, F16H 5702, H02K 500
Patent
active
045849021
ABSTRACT:
A valve actuator is disclosed which comprises only two housings, namely a first housing defining a single enclosure for a reversible electric motor, electrical control gear associated with the motor and torque control means and travel limit switch mechanism, and a second housing comprising a gear box containing reduction gearing.
Anderson Gerald
Lyddane William E.
Rotork Controls Limited
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