Valve control

Details Valve control Valve control

1974-09-25

1976-11-30

Sprague, Kenneth W.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

744248VA, F16H 2702

Patent

active

039941795

ABSTRACT:
The specification discloses a power operated valve operator to open and close valves. Thrust from the valve stem is transmitted to a drive sleeve journaled in a housing through a disc spring.

REFERENCES:
patent: 2222699 (1940-11-01), Ball
patent: 2878687 (1959-03-01), Kron et al.
patent: 2933937 (1960-04-01), Kron et al.

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