Liquid conservation device and a liquid apparatus...

Details Liquid conservation device and a liquid apparatus... Liquid conservation device and a liquid apparatus...

2005-07-15

2010-06-08

Jiang, Chen-Wen (Department: 3744)

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Having oscillating or reciprocating valve

C236S09300A, C137S337000, C137S468000

Reexamination Certificate

active

07731097

ABSTRACT:
A water saving device for us in a hot water system to recover an initial volume of cold water when a hot water tap is turned on. The device has an inlet for receiving water piped from a water heater, a primary outlet for delivering hot water to a tap, and a by-pass outlet through which any cooled water is diverted by a thermally actuated shuttle valve. The device also includes a secondary valve for closing off the by-pass outlet when the water pressure downstream of the primary outlet is high (such as when the down stream hot water delivery tap is closed and opening the by pass outlet when the water pressure downstream of the primary outlet is low, such as when the downstream hot water delivery tap is opened.

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PCT/AU2004/000415, Apr. 2, 2003, Willsford et al.

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