Thermostatic cartridge with concentric temperature and flow...

Details Thermostatic cartridge with concentric temperature and flow... Thermostatic cartridge with concentric temperature and flow...

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

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