Title:
STEERING DEVICE FOR SHIP
Document Type and Number:
WIPO Patent Application WO/2014/017401
Kind Code:
A1
Abstract:
A steering device for a ship is provided with: first and second electric motors; first and second liquid pumps which are configured to be connected to and driven by the first and second electric motors, respectively, and which are each provided with first and second discharge openings for discharging liquid in both directions; and first and second double-acting cylinders which are provided corresponding to the first and second liquid pumps and which are connected to a rudder to be steered. The first discharge opening of the first liquid pump connects to a first operating chamber of the first double-acting cylinder and to a second operating chamber of the second double-acting cylinder, and the second discharge opening of the first liquid pump connects to a second operating chamber of the first double-acting cylinder and to a first operating chamber of the second double-acting cylinder. The first discharge opening of the second liquid pump connects to the first operating chamber of the second double-acting cylinder and to the second operating chamber of the first double-acting cylinder, and the second discharge opening of the second liquid pump connects to the second operating chamber of the second double acting cylinder and to the first operating chamber of the first double-acting cylinder.
Inventors:
UEKI SHUJI (JP)
SATO HIROSHI (JP)
NAKAGAWA TSUKASA (JP)
YAMAMOTO HIDETOSHI (JP)
MATSUMOTO TAKAHIRO (JP)
AKUTSU MAKOTO (JP)
SATO HIROSHI (JP)
NAKAGAWA TSUKASA (JP)
YAMAMOTO HIDETOSHI (JP)
MATSUMOTO TAKAHIRO (JP)
AKUTSU MAKOTO (JP)
Application Number:
PCT/JP2013/069659
Publication Date:
January 30, 2014
Filing Date:
July 19, 2013
Export Citation:
Assignee:
MITSUI SHIPBUILDING ENG (JP)
DAIICHI ELECTRIC (JP)
KEI SYSTEM CO LTD (JP)
YAMAMOTO IRON WORKS CO LTD (JP)
DAIICHI ELECTRIC (JP)
KEI SYSTEM CO LTD (JP)
YAMAMOTO IRON WORKS CO LTD (JP)
International Classes:
B63H25/30; F15B11/08; F15B11/17; F15B11/22; F15B20/00
Foreign References:
| JP2002139003A | 2002-05-17 | |||
| JPS56103699A | 1981-08-18 | |||
| JP2001114195A | 2001-04-24 |
Attorney, Agent or Firm:
YOSHIDA, YOSHIHARU (JP)
Yoshiharu Yoshida (JP)
Yoshiharu Yoshida (JP)
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