Title:
ELECTRIC FIN AND WATER TRANSPORT TOOL
Document Type and Number:
WIPO Patent Application WO/2021/018092
Kind Code:
A1
Abstract:
An electric fin (1) and a water transport tool. The electric fin (1) comprises: a housing (10) which extends along a first direction and is provided with a water inlet cavity (11); and a flow guide member (30), at least part of the flow guide member (30) being located in the water inlet cavity (11). A water flow in the water inlet cavity (11) flows out of the flow guide member (30); the flow guide member (30) is provided with a flow guide shaft (31) and a plurality of blades (32); the flow guide shaft (31) extends in the first direction; the blades (32) are arranged on the flow guide shaft (31) in the circumferential direction; in the direction in which the water flow flows out of the flow guide member (30), the cross-sectional area of the flow guide shaft (31) is gradually reduced from a second end part (34) of the flow guide shaft (31) to a first end part (35) of the flow guide shaft (31); along the first direction, the first end part (35) and the second end part (34) of the flow guide shaft (31) are located at two opposite sides of the flow guide shaft (31).
Inventors:
WANG ZHIYUE (CN)
Application Number:
PCT/CN2020/104881
Publication Date:
February 04, 2021
Filing Date:
July 27, 2020
Export Citation:
Assignee:
ORIENTAL RECREATIONAL PRODUCTS SHANGHAI CO LTD (CN)
International Classes:
B63B32/40
Foreign References:
| CN210681072U | 2020-06-05 | |||
| CN106143824A | 2016-11-23 | |||
| CN101830278A | 2010-09-15 | |||
| CN107406134A | 2017-11-28 | |||
| US10308336B1 | 2019-06-04 |
Attorney, Agent or Firm:
WATSON & BAND INTELLECTUAL PROPERTY AGENT LTD. (CN)
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