Title:
【発明の名称】ボートのための推進手段
Document Type and Number:
Japanese Patent JP2003521422
Kind Code:
A
Abstract:
A propulsion aggregate for boats of planing type is disclosed. The aggregate ( 10 ) comprises at least one inboard engine ( 5 ) disposed in a supporting frame ( 6 ), at least one first drive shaft ( 1 ) having a propeller ( 3 ), which shaft ( 1 ) extends through the boat hull ( 11 ) at the stern section of the boat, at least one rudder ( 12 ), and a second drive shaft ( 2 ) that extends through the stern section of the boat and drives a water turbine ( 4 ). The first drive shaft ( 1 ) is in direct connection with the power take-off ( 7 ) of the engine ( 5 ) via a releasable coupling ( 8 ) and said first drive shaft ( 1 ) is in operation during forward propulsion above a certain speed only, and the second drive shaft ( 2 ) is connected to the power take-off ( 7 ') of the engine ( 5 ) and is arranged at a higher level than the propeller ( 3 ) and said second drive shaft ( 2 ) is in operation at forward propulsion at low speeds and at reverse motion.
Inventors:
Gunner Borguri
Application Number:
JP2001556736A
Publication Date:
July 15, 2003
Filing Date:
January 31, 2001
Export Citation:
Assignee:
Gunner Borguri
International Classes:
B63H5/07; B63H5/08; B63H11/08; B63H11/11; B63H21/20; B63H21/30; B63H23/10; (IPC1-7): B63H21/20; B63H5/08; B63H11/08; B63H23/10
Attorney, Agent or Firm:
Masatake Shiga (7 outside)