Patent ID: 9133944
Filing Date: 2015-09-15
Classification: F04B,F16K,G01N,Y10T

Abstract:
1. A switching valve to control a fluid subject to high pressure, the switching valve comprising: (a) at least one valve unit, which includes a valve seat element and a switching element guided movably in a guide element, wherein the valve seat element and the switching element interact to provide a switching valve function; (b) wherein the valve seat element and the guide element are provided in a housing and wherein the valve seat element, the guide element and the housing form a through flow channel for the fluid to be controlled; and (c) an elastically and/or plastically deformable sealing body in a fully enclosed space between an inner wall of the housing and an outer walls of the valve seat element and of the guide element, the sealing body being subject to a predetermined pressure and thus sealing off the through flow channel and subjecting the valve seat element and the guide element to a radially inward-directed preload pressure.