Solenoid valve having a noise-reducing damping disk

Details Solenoid valve having a noise-reducing damping disk Solenoid valve having a noise-reducing damping disk

2004-07-28

2009-06-09

Fristoe, Jr., John K (Department: 3753)

Valves and valve actuation

Electrically actuated valve

Including solenoid

C251S050000

Reexamination Certificate

active

07543795

ABSTRACT:
A solenoid valve, in particular for a fluid-regulated heating and/or cooling system, including a valve housing having at least one feed channel and at least one discharge channel and an electromagnetically switched valve member which establishes the connection between the feed channel and the discharge channel in one switch position and blocks it in the other switch position. The valve member is rigidly connected to an armature which may be moved by displacing fluid in a guide bushing of a magnet coil, the guide bushing being inserted into an expanded part of an opening of the magnet coil which is delimited by an annular shoulder. A damping disk surrounding the armature is situated between the annular shoulder and an adjacent face end of the guide bushing.

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