MOTOR OPERATED VALVE FOR COOLING AND HEATING PIPING

Title:

MOTOR OPERATED VALVE FOR COOLING AND HEATING PIPING

Document Type and Number:

WIPO Patent Application WO/2005/108839

Kind Code:

A1

Abstract:

Disclosed herein is a motor operated valve for a cooling and heating piping, in which a water temperature control unit of a water temperature control assembly provided inside a valve body is operated by the power of a driver unit having a reference projection and a connection nut to thereby control the flow rate of cooling and heating water passing from an inlet port at one side of the valve body to an outlet port at the other side thereof. The water temperature control assembly is formed of plastic material through an injection molding process. A setting groove is formed in the outer periphery of the top face thereof so as to be engaged with the reference projection of the driver unit. The water temperature control assembly includes a casing comprised of a head portion and a hollow lower portion integrally formed with each other.

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Inventors:

KIM YONG YOUP (KR)
PARK KEUN SIK (KR)
SUNG KEUN SOO (KR)

Application Number:

PCT/KR2005/001223

Publication Date:

November 17, 2005

Filing Date:

April 27, 2005

Export Citation:

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Assignee:

HANSUNG SYSCO CO LTD (KR)
KIM YONG YOUP (KR)
PARK KEUN SIK (KR)
SUNG KEUN SOO (KR)

International Classes:

F16K3/08; F16K31/04; (IPC1-7): F16K31/04

Foreign References:

US4821765A	1989-04-18
JPH03209072A	1991-09-12
JPS6275283U	1987-05-14
US5681028A	1997-10-28
KR200180759Y1	2000-05-15