Vibration desensitizing piston wear ring for railroad car...

Details Vibration desensitizing piston wear ring for railroad car... Vibration desensitizing piston wear ring for railroad car...

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 1/02 (2006.01) B60T 15/42 (2006.01) F16K 3/24 (2006.01)

Patent

CA 2132261

A piston valve assembly in which plastic wear rings are fitted on an aluminum piston member to prevent metal- to-metal engagement between the piston member and the bore of the bushing in which the piston member is operatively disposed in order to eliminate abrasion of the piston member due to vibration in the bushing bore.

Cette invention concerne une soupape à piston dont le piston en aluminium comporte des bagues d'usure en plastique destinées à empêcher le contact métal sur métal entre le piston et la paroi intérieure du manchon où celui-ci est monté de manière à prévenir son abrasion en raison des vibrations qui s'y produisent.

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