Automated dual mode valve actuator

Details Automated dual mode valve actuator Automated dual mode valve actuator

1980-07-28

1982-08-31

Walton, George L.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

51241VS, 74 25, 74 8915, 744248VA, 74665B, 74674, 137331, 251134, 2512495, 251267, 251229, 192150, F16K 3153, F16K 2900

Patent

active

043467288

ABSTRACT:
A dual mode valve actuator for automatically controlling the operation of a valve comprises a first reversible drive motor and a first planetary drive assembly which operate to move the valve stem axially during a first mode of operation. The actuator further comprises a second drive motor and a second planetary drive assembly which cooperate with the first planetary drive assembly to rotate the valve stem without axial movement during a second mode of operation. A control means is provided to control the operational mode of the actuator.

REFERENCES:
patent: 1774831 (1930-09-01), Henin
patent: 2059366 (1936-11-01), Kinzie
patent: 2884808 (1959-05-01), Mueller
patent: 2996075 (1961-08-01), Deimer et al.
patent: 3220431 (1965-11-01), Morrell
patent: 3311121 (1967-03-01), Morrell
patent: 3313178 (1967-04-01), Saunders
patent: 3416308 (1968-12-01), Livezey
patent: 3505888 (1970-04-01), Denkowski
patent: 3524526 (1970-08-01), Denkowski
patent: 3738183 (1973-06-01), Ball, Jr. et al.
patent: 3949626 (1976-04-01), Berlinger, Jr. et al.

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