Title:
カバー装置およびスラスタ
Document Type and Number:
Japanese Patent JP6720302
Kind Code:
B2
Abstract:
The invention relates to a cover device for at least sectional closing of an underwater opening in a hull of a watercraft, in particular an opening of a transverse channel of a thruster. According to the invention the cover device includes at least one variable-volume hollow chamber lip including at least one buoyancy body, and the at least one hollow chamber lip is shiftable into an expansion state or into a shrinkage state by supplying or removing a fluid, in particular air. As a result of the variable-volume or inflatable cover device a more reliable and simultaneously lower-maintenance operation of the cover device is given. In addition, the invention has a thruster, in particular a bow or stern-thruster, as subject matter.
Inventors:
Michael Zorenkov
Holger Spardel
Thomas Siebrecht
Uwe Reitlov
Ulrich Albrecht
Frank Albrecht
Kai Danneberg
Holger Spardel
Thomas Siebrecht
Uwe Reitlov
Ulrich Albrecht
Frank Albrecht
Kai Danneberg
Application Number:
JP2018522545A
Publication Date:
July 08, 2020
Filing Date:
October 18, 2016
Export Citation:
Assignee:
SKF Marine GmbH
International Classes:
B63H25/42; B63H1/12; B63H5/16
Domestic Patent References:
| JP2003276675A | ||||
| JP3128723A |
Foreign References:
| KR1020100031009A | ||||
| KR1020130000144A | ||||
| US3151663 |
Attorney, Agent or Firm:
Yasuhiko Murayama
Shinya Mitsuhiro
Tatsuhiko Abe
Shinya Mitsuhiro
Tatsuhiko Abe