Title:
ダクテッドファン及び航空機
Document Type and Number:
Japanese Patent JP7358280
Kind Code:
B2
Abstract:
ProblemProvided is a ducted fan and an aircraft capable of drawing air about to be separated to a lip portion to suppress separation of the air at the lip portion.Solving MeansA ducted fan (1A) includes a fan and a cowl (20A) having a cylindrical shape and including an introduction port (21) configured to introduce air from a first end portion side. The fan includes a compressor blade (12b) provided on an outer circumferential side and a thrust blade (12a) provided on an inner circumferential side of the compressor blade (12b). The cowl (20A) includes a housing portion (23) configured to accommodate the compressor blade (12b) in an interior thereof, an outlet (28a) configured to allow air flowing through the housing portion (23) to be blown therethrough by the compressor blade (12b), and an inlet (28b) configured to suck air blown out. The outlet (28a) is provided inwards in a radial direction of the cowl (20A) and near the introduction port (21) of the cowl (20A), and the inlet (28a) is provided inwards in the radial direction of the cowl (20A) and between the outlet (28a) and the compressor blade (12b) in an axial line (X) direction.
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Inventors:
Yuki Morisaki
Kazuhiro Imai
Pruning kingdom
Yasuhiro Saiki
Kazuhiro Imai
Pruning kingdom
Yasuhiro Saiki
Application Number:
JP2020051196A
Publication Date:
October 10, 2023
Filing Date:
March 23, 2020
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
B64C27/24; B64C29/00
Domestic Patent References:
| JP2008190460A | ||||
| JP2017109726A | ||||
| JP2019501830A |
Foreign References:
| WO2015005776A1 | ||||
| US20180346108 |
Attorney, Agent or Firm:
Takaharu Fujita
Takaori Mitoma
Miki Kawakami
Daisuke Nagata
Takaori Mitoma
Miki Kawakami
Daisuke Nagata