Delivery valve device for refrigerant fluid compressor

F - Mech Eng,Light,Heat,Weapons – 04 – B

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F04B 39/10 (2006.01)

Patent

CA 2385666

The invention concerns a delivery valve device for refrigerant fluid compressor. Said device comprises a valve plate (21) with a delivery passage (27) closed by a delivery valve (22) fixed at one end on the valve plate and supported on said plate at its free end by a spring (23). A valve stop (24) is urged to be fixed on the valve and the spring on the valve plate so as to flange one end of the valve and the spring on the valve plate by means of rivets (26). The sliding contact of the valve free end on the plate prevents the valve from rattling and flapping. The invention is useful for reducing noise level in refrigeration compressors.

L'invention concerne un dispositif de clapet de refoulement pour compresseur de fluide frigorigène. Ce dispositif comprend une plaque à clapets (21) avec un passage de refoulement (27) fermé par un clapet de refoulement (22) fixé à une extrémité sur la plaque à clapets et appuyé sur cette plaque à son extrémité libre par un ressort (23). Une butée de clapet (24) vient se fixer avec le clapet et le ressort sur la plaque à clapets de façon à brider une extrémité du clapet et du ressort sur la plaque à clapets à l'aide des rivets (26). Le contact glissant de l'extrémité libre du clapet sur la plaque évite les rebondissements et battements du clapet. L'invention s'applique à la réduction du niveau sonore des compresseurs frigorifiques.

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