Title:
SILENCER DUCT FOR SHIP'S PROPELLER USING RESONANT BARRELS
Document Type and Number:
WIPO Patent Application WO/2013/191397
Kind Code:
A1
Abstract:
The present invention relates to a silencer duct for a ship's propeller using resonant barrels, wherein the ship's propeller is surrounded by the silencer duct so as to deaden underwater noises of various frequencies generated by the propeller, the duct being made into a cylindrical form to surround the propeller arranged in the side or rear part of the ship so as to guide the fluid direction as the propeller rotates, and the inside of the duct being provided with a plurality of resonant barrels for damping resonant frequencies arranged in the form of n×m (herein, n and m are natural numbers except 0) so as to damp the sound waves generated by the rotation of the propeller.
Inventors:
KIM SANG HOON (KR)
Application Number:
PCT/KR2013/004947
Publication Date:
December 27, 2013
Filing Date:
June 05, 2013
Export Citation:
Assignee:
MOKPO NAT MARITIME UNIVERSITY INDUSTRY UNIVERSITY COOPERATION FOUNDATION (KR)
International Classes:
B63H5/14; G10K11/16
Foreign References:
| US6270385B1 | 2001-08-07 | |||
| JP2006335463A | 2006-12-14 | |||
| JPH101043A | 1998-01-06 | |||
| JPH1039875A | 1998-02-13 | |||
| US4821841A | 1989-04-18 |
Attorney, Agent or Firm:
KIM, Yong In et al. (KR)
김용인 (KR)
김용인 (KR)
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