PROPULSION UNIT OF BIDIRECTIONAL SAILING SHIP

Japanese Patent JP3500590

B2

PURPOSE: To enable it to a high-speed sailing even in either direction of the stem and the stern by setting up a propeller and a rubber in both sides symmetrically on the hull center, decelerating propeller at the fore head side to a little speedier value than a racing speed at a sailing water flow velocity, and driving it in reverse.
CONSTITUTION: Each side floating body 2 formed into a stream line shape being symmetrical on a hull center together with both of the stem and the stern is set up at the right and left of a center floating body 1, while two jet ports 6a and 6b are installed in the stem-stern part of a ship bottom 5 of the center floating body 1. Each of two-compression blowers 8a and 8b is set up in the stem-stern part of the side floating body 2, whereby compressed air produced in guided to the jet ports 6a and 6b via two feed pipes 9a and 9b, then an air layer or an air bubble layer 10 is formed extending over the full length of the ship bottom 5 with this compressed air blown out herefrom. Subsequently two propellers 11a, 11b and two rubbers 13a, 13b are set up in both submerged parts of the stem-stern of each side floating body 2 symmetrically on the hull center, and at the time of navigation, the propeller at the fore head side is decelerated to a little speedier value than a racing speed at sailing water flow velocity, through which reverse driving is carried out.

WO/2003/066425

METHOD FOR USE IN OFFSHORE LOAD TRANSFER, AND A FLOATER AND HYDRAULIC DEVICE FOR THE SAME

Yukio Ohta

JP15664195A

February 23, 2004

May 18, 1995

Click for automatic bibliography generation  

Yukio Ohta

B63H25/00; B63B1/12; B63B1/38; B63H1/00; B63H5/08; B63H11/04; B63H21/17; B63H25/42; (IPC1-7): B63H25/42

JP4977388A
JP1164699A

Previous Patent: JPH03500589

Next Patent: METHOD FOR MEASURING UNIT QUANTITY OF WATER OF INORGANIC HYDRAULIC KNEADED MATERIAL