Swing motion reducing apparatus for ship

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(11)

EP 2 243 697 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	30.11.2011 Bulletin 2011/48

(43)	Date of publication A2:
	27.10.2010 Bulletin 2010/43

(21)	Application number: 10152137.5

(22)	Date of filing: 29.01.2010

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International Patent Classification (IPC):

B63B 39/04^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
	Designated Extension States:
	AL BA RS

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Priority:

21.04.2009 JP 2009103158

(71)	Applicant: Mitsubishi Heavy Industries, Ltd.
	Tokyo 108-8215 (JP)

(72)	Inventors:
	Takeuchi, Hiroshi KOMAKI-SHI Aichi (JP) Umemura, Katsuya KOMAKI-SHI Aichi (JP) Maeda, Sadahiro KOMAKI-SHI Aichi (JP)

(74)	Representative: Bongiovanni, Simone et al
	STUDIO TORTA Via Viotti 9 10121 Torino 10121 Torino (IT)

(54)	Swing motion reducing apparatus for ship

(57) In a swing motion reducing apparatus for a ship includes a flywheel, a gimbal mechanism configured to rotatably support the flywheel, a motor configured to rotate the flywheel based on a drive power to be supplied; and a motor driver configured to supply the drive power to the motor. A damper section is configured to brake a swing motion of the gimbal mechanism. A safety unit controls the motor driver to stop the supply of the drive power to the motor when a temperature of the damper section is equal to or higher than a predetermined temperature.

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