Title:
UNDERWATER PROPULSION DEVICE OF WATERBORNE VEHICLE
Document Type and Number:
Japanese Patent JP2020111331
Kind Code:
A
Abstract:
To provide an underwater propulsion device of waterborne vehicles configured so as to achieve stabilization of progression of the waterborne vehicles by a hydrofoil.SOLUTION: An underwater propulsion device 20 of waterborne vehicles 1 with an on-water floating part 2 that a user boards is connected to the on-water floating part 2 via a prop 3 and extends in a propulsion direction, and comprises a hollow main body part 21 the inside of which is partitioned into a first chamber 27 of a bow side and a second chamber 28 of a stern side, a motor 22 housed in the first chamber 27, a propeller 23 housed in the second chamber 28, a power transmission shaft 24 extending in the propulsion direction and connecting the propeller 23 with the motor 22, and a hydrofoil attached to the main body part 21, where the hydrofoil oscillates according to predetermined conditions.SELECTED DRAWING: Figure 4
Inventors:
AOKI HIDEAKI
OUCHIDA TAKASHI
OUCHIDA TAKASHI
Application Number:
JP2020079598A
Publication Date:
July 27, 2020
Filing Date:
April 28, 2020
Export Citation:
Assignee:
YANMAR POWER TECHNOLOGY CO LTD
International Classes:
B63H20/00; B63B1/28; B63B39/06
Domestic Patent References:
| JPH0848288A | 1996-02-20 | |||
| JP2016078770A | 2016-05-16 |
Foreign References:
| CA2944976A1 | 2015-10-29 | |||
| US20040139905A1 | 2004-07-22 | |||
| US4711195A | 1987-12-08 | |||
| US20100050916A1 | 2010-03-04 |
Attorney, Agent or Firm:
Satoshi Watanabe