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Title:
ELECTRIC FAN AND ELECTRIC VERTICAL TAKE-OFF AND LANDING CRAFT
Document Type and Number:
WIPO Patent Application WO/2023/286785
Kind Code:
A1
Abstract:
Provided are an electric fan and an electric vertical take-off and landing craft, wherein the following are included: a boss part, a periphery part disposed around the boss part, a moving wing disposed between the boss part and the periphery part and rotatably supported around the boss part, a drive unit provided on the periphery part and capable of rotating the moving wing, and a static wing disposed between the boss part and the periphery part downstream from the moving wing in the flow direction of a fluid. The static wing includes a plurality of static wing bodies disposed with a prescribed interval therebetween in the circumferential direction. Of the plurality of static wing bodies, a static wing body positioned in a region in which an obstacle is disposed outward in the radial direction includes, on the inner radial side thereof, a guide part that guides the fluid to the inner radial side on a front edge portion on the upstream side in the flow direction of the fluid, or on an end portion on the negative pressure surface side.

Inventors:
IWATANI JUNJI (JP)
KARIKOMI KAI (JP)
Application Number:
PCT/JP2022/027464
Publication Date:
January 19, 2023
Filing Date:
July 12, 2022
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
B64C27/20; B64C29/00; B64D27/24; F04D29/52
Domestic Patent References:
WO2021131196A12021-07-01
Foreign References:
JP2005010494A2005-01-13
US20070034738A12007-02-15
JP2020093705A2020-06-18
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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