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Patent Searching and Data


Title:
WATER SOFTENER HAVING TIMER CONTROL VALVE
Document Type and Number:
WIPO Patent Application WO/2011/136445
Kind Code:
A1
Abstract:
A water pressure regenerated type water softener including: a timer control valve having a valve control unit rotated by a timer spring and into which raw water is supplied; a plurality of conduits into which the raw water selectively flows under the control of the timer control valve; a regeneration tank communicating with a regeneration tank inlet conduit of the conduits; and a resin tank unit receiving regeneration water flowing from the regeneration tank and containing an ion exchange resin therein. The water softener can be operated in one of stop mode, soft water mode, raw water mode and regeneration mode under the control of the valve control unit. When regeneration mode is selected, the valve control unit rotates to stop mode by the timer spring after a preset amount of time has elapsed.

Inventors:
YOON, Sung Hun (Woongjin Coway R&D Center, Seoul National Univ Research Park DanjiSan 4-1, Nakseongdae-dong, Gwanak-gu, Seoul 151-919, KR)
AN, Joong Keun (Woongjin Coway R&D Center, Seoul National Univ Research Park DanjiSan 4-1, Nakseongdae-dong, Gwanak-gu, Seoul 151-919, KR)
KIM, Won Tae (Woongjin Coway R&D Center, Seoul National Univ Research Park DanjiSan 4-1, Nakseongdae-dong, Gwanak-gu, Seoul 151-919, KR)
PARK, Chun Ho (Woongjin Coway R&D Center, Seoul National Univ Research Park DanjiSan 4-1, Nakseongdae-dong, Gwanak-gu, Seoul 151-919, KR)
Application Number:
KR2010/006688
Publication Date:
November 03, 2011
Filing Date:
September 30, 2010
Export Citation:
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Assignee:
WOONGJIN COWAY CO., LTD (658 Yugu-ri, Yugu-eupGongju-si, Chungcheongnam-do 314-895, KR)
YOON, Sung Hun (Woongjin Coway R&D Center, Seoul National Univ Research Park DanjiSan 4-1, Nakseongdae-dong, Gwanak-gu, Seoul 151-919, KR)
AN, Joong Keun (Woongjin Coway R&D Center, Seoul National Univ Research Park DanjiSan 4-1, Nakseongdae-dong, Gwanak-gu, Seoul 151-919, KR)
KIM, Won Tae (Woongjin Coway R&D Center, Seoul National Univ Research Park DanjiSan 4-1, Nakseongdae-dong, Gwanak-gu, Seoul 151-919, KR)
PARK, Chun Ho (Woongjin Coway R&D Center, Seoul National Univ Research Park DanjiSan 4-1, Nakseongdae-dong, Gwanak-gu, Seoul 151-919, KR)
International Classes:
C02F1/42; B01D41/00; B01J49/00
Foreign References:
JP2008080220A2008-04-10
US5735461A1998-04-07
JP2007260518A2007-10-11
KR20050089678A2005-09-08
Attorney, Agent or Firm:
SON, Min (HANOL Intellectual Property & Law, 6th Floor City Air Tower, 159-9, Samseong-dong, Gangnam-gu, Seoul 135-973, KR)
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Claims: