Title:
ELECTRIC FIN AND WATER TRANSPORT INSTRUMENT
Document Type and Number:
WIPO Patent Application WO/2021/018090
Kind Code:
A1
Abstract:
The present invention relates to an electric fin and a water transport instrument, wherein the electric fin comprises a housing which extends along a first direction and is provided with a water inlet cavity; a propeller and a flow guide part sequentially arranged in the first direction, the propeller is located in the water inlet cavity, at least part of the flow guide part is located in the water inlet cavity, the water flow in the water inlet cavity flows out of the flow guide part; the propeller is provided with a propeller shaft and a plurality of blades, the propeller shaft extends in the first direction, the plurality of blades are arranged on the propeller shaft in the circumferential direction; the flow guide part is provided with a flow guide shaft and a plurality of flow guide pieces, the flow guide shaft extends in the first direction, the plurality of flow guide pieces are arranged on the flow guide shaft in the circumferential direction; the size in the third direction of the projection of the outer contour enclosed by the propeller shaft and the flow guide shaft in the second direction gradually decreases in the fourth direction. The electric fin of the present invention has sufficient power and good guiding performance.
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| WO/2021/216912 | WATERCRAFT HAVING A WATERPROOF CONTAINER AND A WATERPROOF ELECTRICAL CONNECTOR |
| WO/2022/174289 | PROPELLER FOR POWERED WATERCRAFT |
| WO/2021/191729 | HYDROFOIL WITH AUTOPILOT CONFIGURATION |
Inventors:
WANG ZHIYUE (CN)
Application Number:
PCT/CN2020/104879
Publication Date:
February 04, 2021
Filing Date:
July 27, 2020
Export Citation:
Assignee:
ORIENTAL RECREATIONAL PRODUCTS SHANGHAI CO LTD (CN)
International Classes:
B63B32/10; B63B34/10; B63H5/14
Foreign References:
| CN210653566U | 2020-06-02 | |||
| CN210681072U | 2020-06-05 | |||
| CN210912790U | 2020-07-03 | |||
| CN210653565U | 2020-06-02 | |||
| CN106143824A | 2016-11-23 | |||
| US3885516A | 1975-05-27 | |||
| DE3735409A1 | 1989-05-03 | |||
| US9981728B2 | 2018-05-29 | |||
| US10266239B2 | 2019-04-23 | |||
| CN208069989U | 2018-11-09 | |||
| CN103786853A | 2014-05-14 | |||
| CN109421911A | 2019-03-05 | |||
| CN109956015A | 2019-07-02 | |||
| CN201012744Y | 2008-01-30 |
Attorney, Agent or Firm:
WATSON & BAND INTELLECTUAL PROPERTY AGENT LTD. (CN)
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