Single-lever thermostatic cartridge using ceramic disks

Details Single-lever thermostatic cartridge using ceramic disks Single-lever thermostatic cartridge using ceramic disks

2005-08-30

2005-08-30

Tapolcai, William E. (Department: 3744)

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Having oscillating or reciprocating valve

C137S625410

Reexamination Certificate

active

06935568

ABSTRACT:
The cartridge comprises a body in which there is formed a mixed fluid chamber; a fixed disk; a movable disk; thermostatic regulation means including a regulation slide-valve and a thermostatic element which are mechanically connected to each other; and a single control lever for controlling the flowrate and the temperature of the mixed fluid and adapted to drive the movable disk in rotation and in translation and to move the thermostatic element inside the mixed fluid chamber. Cold fluid inlet passage and cold fluid return passage in the fixed disk extend approximately end-to-end in circumferential arcs with substantially equal radii and hot fluid inlet passage and the hot fluid return passage in the fixed disk extend approximately end-to-end in circumferential arcs with substantially equal radii. Application to the field of mixer taps.

REFERENCES:
patent: 4617965 (1986-10-01), Lorch
patent: 4887642 (1989-12-01), Bernat
patent: 5329958 (1994-07-01), Bosio
patent: 5494077 (1996-02-01), Enoki et al.
patent: 6089462 (2000-07-01), Osvaldo
patent: 96/26475 (1996-08-01), None

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