Invention Grant
- Patent Title: Retractable thruster unit for a marine vessel
- Patent Title (中): 用于海运船舶的可伸缩推进器单元
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Application No.: US13977119Application Date: 2011-12-13
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Publication No.: US09266595B2Publication Date: 2016-02-23
- Inventor: Aad Van Der Kam
- Applicant: Aad Van Der Kam
- Applicant Address: FI Vassa
- Assignee: Wärtsilä Finland Oy
- Current Assignee: Wärtsilä Finland Oy
- Current Assignee Address: FI Vassa
- Agency: Heslin Rothenberg Farley & Mesiti P.C.
- Agent Victor A. Cardona, Esq.
- Priority: FI20106382 20101230
- International Application: PCT/FI2011/051100 WO 20111213
- International Announcement: WO2012/089914 WO 20120705
- Main IPC: B63H5/125
- IPC: B63H5/125 ; B63H5/15 ; B63H25/42 ; B63H5/14
Abstract:
A novel retractable thruster unit for a marine vessel using a tunnel thruster includes a nozzle having an end, the end being provided with two closing plates, a top closing plate, and a bottom closing plate. The closing plates are arranged 180 degrees apart on opposite sides of the axis of the propeller and extend substantially axially from the end of the nozzle.
Public/Granted literature
- US20130298816A1 RETRACTABLE THRUSTER UNIT FOR A MARINE VESSEL Public/Granted day:2013-11-14
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