Temperature limiting device

Fluid sprinkling – spraying – and diffusing – With viscosity or temperature responsive control means

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Details

137468, 222 54, 236 93B, F16K 1738

Patent

active

042102847

ABSTRACT:
A control valve is placed between a water supply pipe and a delivery device such as a tub spout or a shower head. The control valve includes a cylinder open at the discharge end. The supply line is connected to the other end of the cylinder by a series of radial inlet ports. A slide closure in the cylinder moves to open and at least partially to close the inlet ports by a thermal sensor located upstream of the valve. The closure freely passes water on opposite sides so that the closure is balanced and unaffected by fluid pressure. Resetting of the control valve is quickly achieved as soon as safe conditions are sensed under reduced flow conditions.

REFERENCES:
patent: 1877510 (1932-09-01), Hughes
patent: 3368758 (1968-02-01), Fraser
patent: 3938741 (1976-02-01), Allison

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