Fluid handling – Systems – Valves with separate – correlated – actuators
Reexamination Certificate
2005-07-05
2010-11-30
Lee, Kevin L (Department: 3753)
Fluid handling
Systems
Valves with separate, correlated, actuators
C137S637300, C137S625170, C137S625460, C137S454600
Reexamination Certificate
active
07841362
ABSTRACT:
A water control valve, which has one valve cartridge to control the temperature and flow rate of hot water, cold water or a mix of hot and cold water only through rotating motions, is disclosed. The valve cartridge (100) has a first fixed disk (120) to guide hot and cold water into the valve cartridge, a rotary disk (130) to control the flow rate of hot and cold water from the first fixed disk, thus controlling the temperature of water, a second fixed disk (140) to guide controlled water in the cartridge, a temperature control unit (170) to rotate the rotary disk during rotation of a temperature control lever, the moving unit (150) to linearly move toward or away from the second fixed disk, thus controlling the flow rate of discharged water, and a flow rate control unit (160) to cause linear movement of the moving unit by rotation.
REFERENCES:
patent: 4653538 (1987-03-01), Tsutsui et al.
patent: 5417242 (1995-05-01), Goncze
Lee Kevin L
Park & Associates IP Law LLC
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