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Patent Searching and Data


Title:
ダクテッドファン装置及び航空機
Document Type and Number:
Japanese Patent JP7374828
Kind Code:
B2
Abstract:
ProblemTo provide a ducted fan device and an aircraft capable of improving thrust force and suppressing separation in a lip portion.Solving MeansThe ducted fan device 10A includes, a plurality of fan devices 20, each including a fan 22 configured to rotate about an axis X1 to generate an air flow, and a small duct 23 having a cylindrical shape surrounding the fan 22 about the axis X1 and extending in a direction of the axis X1, and a large duct 30A having a tubular shape surrounding all of the fan devices 20. The plurality of fan devices 20 includes a central fan device 20a, and a plurality of peripheral fan devices 20b disposed at an outer peripheral of the small duct 23 included in the central fan device 20a.

Inventors:
Yuki Morisaki
Kazuhiro Imai
Pruning kingdom
Yasuhiro Saiki
Application Number:
JP2020051197A
Publication Date:
November 07, 2023
Filing Date:
March 23, 2020
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
B64C27/24; B64C29/00
Domestic Patent References:
JP64001698A
JP2020507708A
JP2007509790A
Foreign References:
CN108995802A
US20160311529
WO2017145622A1
Attorney, Agent or Firm:
Takaharu Fujita
Takaori Mitoma
Miki Kawakami
Daisuke Nagata