Patent ID: 7789069
Filing Date: 2010-09-07
Classification: F02M,F16K,Y10T

Abstract:
1. A check valve, comprising: a valve housing; a bore disposed in the valve housing; a valve seat embodied in the bore; a spherical valve member; and a stroke stop element for the valve member, on which the valve member comes to rest when the check valve is open, said stroke stop element having a continuous longitudinal bore and said longitudinal bore having an orifice, wherein the stroke stop element, on its side toward the valve member, has a funnel-shaped indentation, into which the valve member dips in the open state of the check valve, wherein said longitudinal bore, toward the indentation, has a region embodied as a throttle bore, and the orifice of the longitudinal bore into the indentation has a larger diameter than the throttle bore, wherein the longitudinal bore, adjoining the throttle bore on its side remote from the indentation, has a further region with a larger diameter than the throttle bore, and wherein the stroke stop element is axially fixed in the bore disposed in the valve housing at least indirectly by means of a welded connection.