F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/132
F16K 11/00 (2006.01)
Patent
CA 1183063
"Multi-way Valves for Pumps for Conveying Heavy Flowable Materials" ABSTRACT OF THE DISCLOSURE The valve has a shutter mechanism which is movable within a housing and is provided at one end with at least one inlet which is movable across one or more housing openings and at the oppposite end with an outlet surrounded by a sealed contact joint which is movable across a delivery pipe opening in the housing, This sealed contact joint surrounds the delivery pipe opening in the housing and contacts either the inside wall of the housing or a face plate arranged on the inside wall of the housing in all intermediate and final positions of the shutter mechanism. With the aim of reducing wear and producing a permanent seal, the sealed contact joint is in the form of a compressible sealing ring with a slotted or kidney-shaped cross-section which serves to wipe the flat and smooth face plate or inside wall of the housing. Moreover the compressible sealing ring is loaded with the internal pressure of the shutter mechanism and is supported outwardly by a flange surrounding the outlet and extending in the conveying direction.
400379
Fetherstonhaugh & Co.
Schwing (friedrich Wilh.) G.m.b.h.
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