Noise enclosure for hydraulic valve

Details Noise enclosure for hydraulic valve Noise enclosure for hydraulic valve

F - Mech Eng,Light,Heat,Weapons

01

N

172/20

F01N 1/00 (2006.01) F15B 21/04 (2006.01)

Patent

CA 1047934

NOISE ENCLOSURE FOR HYDRAULIC VALVE A B S T R A C T A noise attenuating enclosure for a hydraulic valve is provided. The enclosure has separate top, bottom, side and cover members fabricated from sheet metal material and lined with relatively thick sound energy barrier material such as a foam rubber or polyurethane foam. The cover member has opposed open side portions for receiving hydraulic lines for the valve. Such open sides are filled during valve operation by means of fitted rubber, plug members having closely fitting apertures for sealingly accepting the hydraulic lines. All fastening and access points and all locations where metal to metal contact would normally be necessary are provided with noise suppression material.

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