Invention Grant
- Patent Title: Propeller arrangement, in particular for watercraft
- Patent Title (中): 螺旋桨安排，特别是船舶
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Application No.: US13674186Application Date: 2012-11-12
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Publication No.: US09328613B2Publication Date: 2016-05-03
- Inventor: Dirk Lehmann
- Applicant: Becker Marine Systems GmbH & Co., KG
- Applicant Address: DE Hamburg
- Assignee: Becker Marine Systems GmbH & Co KG
- Current Assignee: Becker Marine Systems GmbH & Co KG
- Current Assignee Address: DE Hamburg
- Agency: Kelly & Kelley, LLP
- Priority: DE102011055515 20111118; EP12191460 20121106
- Main IPC: B63H1/26
- IPC: B63H1/26 ; F01D5/14 ; B63H1/28 ; B63H5/10
Abstract:
A drive system of a watercraft includes a propeller rotatable about a propeller axis, and at least one rotor fin which is disposed freely rotatably about the propeller axis. The diameter of a circular path described by the rotation of the at least one rotor fin is less than the diameter of the propeller.
Public/Granted literature
- US20130129514A1 PROPELLER ARRANGEMENT, IN PARTICULAR FOR WATERCRAFT Public/Granted day:2013-05-23
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