Reversing valve assembly with improved pilot valve mounting...

F - Mech Eng,Light,Heat,Weapons – 16 – K

Patent

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Details

F16K 31/02 (2006.01)

Patent

CA 2577767

Provided is a mounting structure for mounting a pilot valve assembly to a flow reversing valve assembly. The mounting structure includes a mounting bracket and a cover plate. Disposed through a face panel of the mounting bracket is an aperture that defines an axis line. The cover plate is generally parallel to and offset from the face panel. A solenoid coil having a central bore is placed between the face panel and the cover plate such that the central bore aligns with the axis line. A pilot valve body included with the pilot valve assembly is partially inserted through the aperture and into the central bore. Extending over the un-inserted portion of the pilot valve body is a sleeve including a spring. The sleeve and spring are arranged such that the spring urges the mounting bracket, the solenoid coil, and the cover plate toward one another.

L'invention concerne une structure destinée au montage d'un ensemble valve pilote à un ensemble valve inverseur de flux. La structure de montage comprend un support de montage et une plaque de recouvrement. Une ouverture, réalisée dans un panneau frontal face du support de montage, définit une ligne d'axe. La plaque couvercle est généralement parallèle au panneau frontal et décalée par rapport à ce dernier. Une bobine solénoïde ayant un trou central est placée entre le panneau frontal et la plaque couvercle de telle façon que le trou central s'aligne avec ligne d'axe. Un corps valve pilote intégré à l'ensemble valve pilote est partiellement inséré dans l'ouverture et dans le trou central. Un manchon contenant un ressort s'étend sur la partie non insérée du corps valve pilote. Le manchon et le ressort sont disposés de telle façon que le ressort pousse le support de montage, la bobine solénoïde, et la plaque couvercle les uns vers les autres.

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