Valve device

Abstract

The valve device has a valve element which is displaceable longitudinally in the valve bush and interacts with a valve seat formed in the valve body, which valve element is actuatable in the installed position by means of an electromagnetic actuator in the closing direction of the valve seat. At least a part of the valve element is arranged in a valve chamber delimited by the valve bushing in the region of the valve seat. Furthermore, the end of the valve element facing away from the valve chamber is operatively connected to the armature. According to the invention, the valve element is operatively connected to the armature via the connecting device, so that in the abutment region between the armature and the valve element, substantially no axial and radial friction of the valve element takes place between the armature and the valve element. For relative movement, the connecting device has at least one pin-shaped connecting piece, which is firmly connected with the armature and the valve element respectively; The hole of the armature and / or the hole of the valve element is implemented as a stepped hole, the diameter of the first region of the hole of the armature facing the armature end face or the diameter ratio of the first region of the hole of the valve element facing the armature end face The connecting piece has a large diameter.

Description

Technical field [0001] The invention relates to a valve device. The valve device is provided with a valve element that is longitudinally movable in the valve bushing and co-acts with the valve seat constructed in the valve body. The valve element can be operated in the valve seat closing direction by an electromagnetic actuator in the installation position, At least a part of the valve element is arranged in the valve cavity defined by the valve bush in the valve seat area, and the end of the valve element facing away from the valve cavity is effectively connected to the armature. Background technique [0002] From DE 100 36 576 A1, a solenoid valve or an electromagnetically controllable valve device is known, which can be used in a hydraulic brake device of a motor vehicle. The valve device has a valve bush with a longitudinal hole, which is connected to the valve cover. An armature that can move longitudinally in the axial direction of the valve device is arranged in the valve ...

AI Technical Summary

Problems solved by technology

[0008] However, there is also the disadvantage here that when the valve device is in operation, there can be axial and radial relative movements between the armature and the valve element, so that the position of the valve element with respect to the position of the armature cannot be precisely determined for the entire operating range of the valve device , and when the valve device is in operation, the valve element generates vibrations and other highly dynamic movements due to its small mass, which negatively affects the operating and adjustment characteristics of the valve device

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