Automatic temperature and humidity regulation – Mixing fluid of dissimilar temperature – Mixing valve with temperature motive means
Reexamination Certificate
2007-08-02
2011-12-13
Norman, Marc (Department: 3744)
Automatic temperature and humidity regulation
Mixing fluid of dissimilar temperature
Mixing valve with temperature motive means
C236S012180, C236S012200
Reexamination Certificate
active
08074893
ABSTRACT:
The thermostatic cartridge (C) comprises a thermostatic assembly (2) for regulating the temperature of an outgoing mixture (F3) of incoming hot and cold fluids (F1and F2), two ceramic disks (3, 4) for controlling the flow rates of the hot and cold fluids delivered to the thermostatic assembly, and a disk-actuating sleeve (5) receiving therein in leaktight manner the outer body (2.1) of the thermostatic assembly. To limit costs and any risk of leakage from the cartridge, the actuator sleeve is a single part that defines two internal channels (52, 53) for passing flows respectively of the hot and cold fluids from the disks to respective admission slots (2.2, 2.3) defined by the outer body of the thermostatic assembly.
REFERENCES:
patent: 4607788 (1986-08-01), Bendall et al.
patent: 6089462 (2000-07-01), Osvaldo
patent: 6325295 (2001-12-01), Lorch
patent: 6471132 (2002-10-01), Knapp
patent: 7163157 (2007-01-01), Goncze et al.
patent: 2002/0050529 (2002-05-01), Lorch
patent: 2002/0130189 (2002-09-01), Mace et al.
patent: 0936524 (1999-08-01), None
patent: 1235129 (2002-02-01), None
Dowell & Dowell PC
Norman Marc
Vernet
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