Sleeve valve actuator means

Details Sleeve valve actuator means Sleeve valve actuator means

1983-03-21

1985-06-18

Scott, Samuel

Valves and valve actuation

Tube compressors

251 58, 251213, 251294, 74108, F16K 706

Patent

active

045237379

ABSTRACT:
An actuator means is provided for a sleeve type of valve wherein a cable or flat band is caused to rotate one end of a sleeve valve with respect to a fixed second end. The relative rotation can be accomplished to operate the valve and can be provided by a simple linear operating type of pneumatic operator. One version of the disclosure provides an actuator that requires no return spring other than that which would normally be present in the pneumatic actuator itself.

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