Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Manfred Pawelzik0
Fred Hannemann0
Date of Patent
February 6, 2007
0Patent Application Number
104915840
Date Filed
July 25, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A mixing valve has a housing having hot- and cold-water inlets and at least one hot-, cold-, or mixed-water outlet. Respective hot- and cold-water valves in the housing each have a valve stem rotatable to control flow through the respective valve and carrying a respective externally toothed gear. Respective hot- and cold-water control rings rotatably mounted about a common axis on the housing each have internal teeth in continuous mesh in all angular positions of the valves and rings with the gears of the respective valves.
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