Title:
ARRANGEMENT STRUCTURE FOR MULTIPLE SCREW VESSEL INCLUDING OUTBOARD PROPELLER SHAFT AND MANUFACTURING METHOD FOR THE ARRANGEMENT STRUCTURE
Document Type and Number:
Japanese Patent JP2022000379
Kind Code:
A
Abstract:
To provide an arrangement structure for a multiple screw vessel suitable for a driving system of the multiple screw vessel and including an outboard propeller shaft also suitable for improving energy efficiency.SOLUTION: An arrangement structure has at least two shaft brackets for supporting a propeller shaft, the shaft brackets each have at least one shaft bracket arm for fixing the shaft brackets to the multiple screw vessel, the shaft bracket arm is further formed as a hydrofoil for a device, no further hydrofoil is provided other than the shaft bracket arm, or each of at least two devices of the arrangement structure has a forward nozzle, at least one fin formed as the hydrofoil of the device is provided in each of at least two devices, and at least one fin is arranged inside the forward nozzle and/or outside the forward nozzle.SELECTED DRAWING: Figure 1
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Inventors:
LEHMANN DIRK
Application Number:
JP2021153405A
Publication Date:
January 04, 2022
Filing Date:
September 21, 2021
Export Citation:
Assignee:
BECKER MARINE SYSTEMS GMBH
International Classes:
B63H5/16
Domestic Patent References:
| JP2010064740A | 2010-03-25 | |||
| JP5357319B2 | 2013-12-04 | |||
| JPS1417359Y1 | ||||
| JPS59202991A | 1984-11-16 | |||
| JPH0789488A | 1995-04-04 | |||
| JP2009214866A | 2009-09-24 | |||
| JPS58493A | 1983-01-05 |
Foreign References:
| US4804312A | 1989-02-14 | |||
| US7798875B1 | 2010-09-21 | |||
| KR20120124205A | 2012-11-13 |
Attorney, Agent or Firm:
Nagoya International Patent Service Corporation