WARM WATER RECIRCULATING VALVE USING DIRECT WATER SUPPLY TUBE

WIPO Patent Application WO/2018/021804

A1

The present invention relates to a warm water recirculating valve using a direct water supply tube and, more particularly, to a warm water recirculating valve provided between a warm water supply tube (13) installed in an existing housing and a direct water supply tube (14) in order to recirculate warm water, the warm water recirculating valve comprising: a housing (110) having warm water channels (111, 112) formed therein and connected to the warm water supply tube (13), having direct water channels (114, 115, 116) formed therein and connected to the direct water supply tube (14), and having a recirculating channel (113) formed therein and connected between the warm water channels (111, 112) and the direct water channels (114, 115, 116); and a water pressure plate (140) provided in the direct water channels (114, 115, 116) so as to generate a differential pressure such that, when warm water is recirculated, the recirculating channel (113) is opened by pressure of the recirculated warm water and, when direct water is used, the recirculating channel (113) is closed by pressure of the direct water.

WO/1991/011640	TIMING CONTROL FOR A DUAL POPPET VALVE
JPS5250048	WATER CONTROLLER

SON SEUNG KIL (KR)
JOO JAE MYUNG (KR)

PCT/KR2017/008009

February 01, 2018

July 25, 2017

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KYUNGDONG NAVIEN CO LTD (KR)

F16K1/34; F16K1/36; F16K11/04; F16K27/02; F16K31/12; F24H9/20

US20110214767A1	2011-09-08
US20130240053A1	2013-09-19
JP2015025602A	2015-02-05
KR19990029423U	1999-07-15
KR20040067525A	2004-07-30

BAE, Cheol Woo (KR)

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