Patent ID: 6298828
Filing Date: 2001-10-09
Classification: F02M,G05D,Y10T

Abstract:
A fluid pressure regulator, comprising:a body portion having walls defining a first cavity, said first cavity having an open top, an inlet passageway, and an outlet passageway, said outlet passageway being fitted with an interiorly mounted replaceable element having a selected orifice size for limiting fluid flow through said outlet passageway; and,an upper body portion sealingly connected to said body portion and closing off said open top of said first cavity, said upper body portion itself defining a second cavity therein separate from said first cavity, said second cavity having a control pressure passageway connected thereto, and a portion of said cavity being closed by a flexible diaphragm element wherein a source of control pressure attached to said second cavity modulates said diaphragm to flex towards and away from an opposed inner surface of said upper body portion, said diaphragm overlying and modulating fluid flow into said orifice of said replaceable element according to control pressure actuation of said diaphragm.