Finely-adjustable flow control valve

Details Finely-adjustable flow control valve Finely-adjustable flow control valve

1989-05-18

1990-05-29

Rosenthal, Arnold

Valves and valve actuation

With material guide or restrictor

251265, 251282, 251333, F16K 3150, F16K 4708, F16K 104

Patent

active

049289209

ABSTRACT:
A valve body includes a cylindrical seat having a substantially flat working face. A cylindrical valve member having a working surface thereon is slidable toward and away from the seat face to vary flow from the outer peripheries of the seat and valve member into an orifice extending into the seat and in communication with the seat face. The valve member is mounted on a stem which is in threaded engagement with the radially inner surface of an annular member. The outer surface of the annular member is in threaded engagement with the valve body. The inner threads have 12 threads per inch and the outer threads have 11 threads per inch thereby moving the valve stem 0.0075 inches per 360.degree. revolution of the annular member.

REFERENCES:
patent: 477192 (1892-06-01), Bastian
patent: 1007338 (1911-10-01), Cochrane et al.
patent: 1762771 (1930-06-01), Eble
patent: 2966170 (1960-12-01), Raulins
patent: 3409271 (1968-11-01), Kallenbach
patent: 4768558 (1988-09-01), Weber

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