Valve

Details Valve Valve

1987-04-28

1988-05-10

Scott, Samuel

Valves and valve actuation

With material guide or restrictor

Valve at point of greatest restriction

251326, F16K 2500

Patent

active

047429879

ABSTRACT:
A valve having a flow path in the form of a Venturi tube having a throttle and flow path sections extending and flaring from the opposite sides of the throttle to an inlet and outlet, respectively, and a cylindrical valve plug provided at the throttle and selectively movable at right angles to the flow path to present a flow path end into the flow path and having a semi-spherical valve head at the flow path end with a notch having a length in the direction of movement of the valve plug less than the diameter of the throttle formed in a portion of the valve head and the remaining portion of the valve head containing a diametrical line connecting opposite portions of the valve head in contact with the wall of the throttle while occupying a major portion of the surface of the valve head facing a flow in the flow path.

REFERENCES:
patent: 3180360 (1965-04-01), Paulin
patent: 4311166 (1982-01-01), De Feo

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