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Patent Searching and Data


Title:
ACTUATOR HAVING EMERGENCY RETURN MEANS FOR VALVE
Document Type and Number:
WIPO Patent Application WO/2015/186885
Kind Code:
A1
Abstract:
The present invention relates to an actuator having emergency return means for a valve and, more particularly, to an actuator for actuating a valve that opens and closes the flow of a fluid in an oil refining facility, a power plant, a reservoir, a pump station, a water floodgate, a dam, etc., wherein the actuator has an emergency return means for a valve that automatically returns a valve to a previous state before operation in an emergency when power is cut during the opening or closing operation of the valve, in order to prevent a safety-related accident that can occur when the valve is stopped during operation.

Inventors:
UHM SE YONG (KR)
Application Number:
PCT/KR2015/000321
Publication Date:
December 10, 2015
Filing Date:
January 13, 2015
Export Citation:
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Assignee:
TORK CONTROLS CO LTD I (KR)
International Classes:
F16K31/04; F16K35/00
Foreign References:
JP2002206656A2002-07-26
JP2006316844A2006-11-24
KR100734394B12007-07-02
KR920006591Y11992-09-21
Attorney, Agent or Firm:
JUNG, Joong Won et al. (KR)
정중원 (KR)
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