Patent ID: 7331359
Filing Date: 2008-02-19
Classification: F16K,Y10T

Abstract:
1. A valve, comprising: a valve housing; a stationary valve element positioned in the valve housing and having a hole there through; a moveable valve element also positioned in the valve housing and for regulating fluid flow through the valve in response to movement of the moveable element adjacent the stationary element; an operating member extending into the valve housing for moving the moveable element; and a seal proximate an inlet side of the stationary valve element and having a first flexible load section for sealing the stationary valve element with respect to the valve housing and a second load section having rigidifying member forming a bend that in vertical cross section extends for more than 90 degrees; wherein the rigidifying member has an essentially hook-shaped vertical cross sectional appearance; wherein the seal is in the form of a ring in which the rigidifying member has an upper end which terminates adjacent an external surface of the seal; and wherein the second load section is a generally annular body extending from a second side to an intermediate region having a circular bearing shoulder defined by said external surface of the seal, and wherein the first load section extends from the intermediate region to a first side opposite the second side and said upper end terminates adjacent the intermediate region's bearing shoulder.