Fluid handling – Systems – Multi-way valve unit
Patent
1990-05-24
1991-08-20
Rosenthal, Arnold
Fluid handling
Systems
Multi-way valve unit
251368, 251315, F16K 11076
Patent
active
050405667
ABSTRACT:
Mixing tap for hot and cold water fitted with a mixing ball with inlet holes matched with the separate hot and cold water feed pipes and outlet holes delivering the mixed water to a spout. At least the part of the ball with holes is made of a ceramic material and interacting with seals also made of ceramic material and coordinated to the hot and cold water feed pipes. Each ceramic seal is supported by an elastomer bellow type element acting both as a spring pushing the seal against the ball and as a radial packing around the seal itself.
REFERENCES:
patent: 3823742 (1974-07-01), Von Corpon
patent: 4932432 (1990-06-01), Berchem
patent: 4936546 (1990-06-01), Berchem
Galatron S.r.l.
Rosenthal Arnold
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