Pressure enhanced diaphragm valve

Abstract

A pressure enhanced valve comprising: a diaphragm for controlling a flow of fluid media having a first pressure entering through a first chamber, the diaphragm having a first side within the first chamber wherein the first pressure is applied to the first side; and a pressure inlet for providing a second pressure to a second side of the diaphragm in a second chamber, the second side configured opposite of the first side, wherein the first chamber and the second chamber are separately sealed from one another. The first and second pressures are any appropriate amount in relation to one another. The pressure inlet supplies internal working fluid tapped from an internal port or externally supplied fluid at the second pressure. The valve further comprising a control circuit coupled to the pressure source. The valve alternatively includes a filter element and a pressure regulator positioned within the pressure inlet.

Dependencies are inferred from the claim text.