Valve for controlling flow

Details Valve for controlling flow Valve for controlling flow

1994-01-21

1995-01-24

Rosenthal, Arnold

Valves and valve actuation

Reciprocating valve

Particular head and seat cooperation

251205, 251900, F16K 152, F16K 102

Patent

active

053836480

ABSTRACT:
A pressure surface forming a boundary of a plenum has an orifice therein through which the flow is channeled. An elastomeric body having a surface with curvature different than that of the pressure surface is squeezed to varying degrees against the pressure surface causing the elastomeric body to contact the pressure surface over an area which increases with increasing squeeze. The orifice is positioned and sized to be wholly within the maximum contact area of the elastomeric body with the pressure surface and to extend outside of the minimum area. At intermediate degrees of squeezing the elastomeric body exposes a finely controlled opening for flow through the orifice.

REFERENCES:
patent: 2616653 (1952-11-01), Tarr
patent: 3294360 (1966-12-01), Lundberg
patent: 3403698 (1968-10-01), Klun
patent: 3455536 (1969-07-01), Barker
patent: 5267585 (1993-12-01), Jones

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