Title:
深水中で使われるバルブ
Document Type and Number:
Japanese Patent JP2014508907
Kind Code:
A
Abstract:
The present invention relates to a valve for usage underwater, comprising: a body portion provided on one side with a guide aperture extending to the inside, wherein a screw thread is formed on an inner circumferential surface of the guide aperture; a screw which moves along the guide aperture and is rotated by fitting into the screw thread; a rotation portion for rotating the screw; a driving force portion for supplying power to the rotation portion so as to operate the rotation portion; and a control portion, which is formed between the rotation portion and the driving force portion, for controlling the driving force portion by a linked medium that is linked to the screw operating a limit switch, so that a person can use a remote operating device when approaching the valve underwater for operating same is difficult, and safety concerns are eliminated by securing accuracy and safety by means of a screw-down technique, whereas all existing remote operation techniques involve a vertical movement which can involve a malfunctioning risk.
Inventors:
Chin, Jeong-Gun
Kim, Jeon-Yor
Park, Yeon-Chol
Park, Chun-Hong
Kim, Jeon-Yor
Park, Yeon-Chol
Park, Chun-Hong
Application Number:
JP2014501021A
Publication Date:
April 10, 2014
Filing Date:
April 26, 2012
Export Citation:
Assignee:
DH CONTROLS CO.,LTD.
International Classes:
F16K35/00; B63B13/00; F16K31/50; F16K31/53; F16K37/00
Domestic Patent References:
| JPS3611684B1 | ||||
| JP2007044567A | 2007-02-22 | |||
| JP2008212901A | 2008-09-18 | |||
| JP2010003269A | 2010-01-07 |
Foreign References:
| US4679764A | 1987-07-14 |
Attorney, Agent or Firm:
Harakenzo world patent & trademark