DIAPHRAGM ACTUATED AIR CYCLE VALVE

摘要

An actuated air valve includes a valve body (12) in line with a flow passage (14) for admitting a flow of fluid. A valve member (16) is pivotally mounted about the centerline of the valve body and is pivoted between high flow and low flow positions. A diaphragm (26) and linkage (20, 22) is in mechanical connection to the valve member. A pressure tap from the flow of fluid provides an impulse to the diaphragm which displaces the linkage, thus varying the position of the valve member. A three-way solenoid valve (34) is used to selectively admit the impulse to the diaphragm, thus governing the displacement of the linkage, and thereby varying the position of the valve member.