Patent ID: 7111822
Filing Date: 2006-09-26
Classification: F16K

Abstract:
1. A valve for controlling a fluid, the valve having an inflow side and an outflow side, the valve comprising: a valve-closing member; a valve seat; a valve housing; an electromagnetic actuating unit for a solenoid armature which is accommodated by the valve housing, which is guided axially displaceably in the valve housing and which cooperates with the valve seat via the valve-closing member, in such a way that a fluid stream from the inflow side to the outflow side of the valve is controllable; and at least one lubricant chamber situated adjacent to a guide gap between the valve housing and the solenoid armature; wherein the at least one lubricant chamber is formed by at least one annular groove on a circumference of the solenoid armature; and wherein the annular groove has a cross-section in the shape of a Gaussian distribution.