Restrictor valve operator

Details Restrictor valve operator Restrictor valve operator

1984-08-20

1986-06-24

Scott, Samuel

Valves and valve actuation

Mechanical movement actuator

Gear

251294, 251304, 74 96, F16K 3144

Patent

active

045963770

ABSTRACT:
A remote control operator for a fluid flow restrictor valve having a flow passageway opened and closed by an angularly rotatable disc moving ports into and out of alignment with companion ports. The valve operator comprises tangentially disposed part-circular plates with one plate secured to the restrictor valve rotatable disc and the other plate angularly rotated by a reversible drive motor. A flexible strand, secured at its ends to diametrically opposite portions of one plate, is tautly entrained intermediate its ends around portions of both plates in cooperating grooves formed in the arcuate peripheries thereof. Energizing the motor in respective directions angularly rotates the plates for opening and closing the valve flow passageway.

REFERENCES:
patent: 384849 (1888-06-01), Hood
patent: 1715642 (1929-06-01), Daniels
patent: 2954703 (1960-10-01), Morrell
patent: 3026899 (1962-03-01), Michanski
patent: 3932045 (1976-01-01), Hillberry et al.
patent: 4351197 (1982-09-01), Carson
patent: 4366722 (1983-01-01), Hasler
patent: 4507979 (1985-04-01), Zebrowski

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