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Title:
MOTOR-INTEGRATED FAN, AND VERTICAL TAKE-OFF AND LANDING AIRCRAFT
Document Type and Number:
Japanese Patent JP2020093706
Kind Code:
A
Abstract:
To provide a motor-integrated fan, etc. capable of favorably removing heat from a heat generating portion while suppressing degradation of fan performance.SOLUTION: A motor-integrated fan that suctions air through a suction port and blows out the suctioned air through a blow-out port, comprises: a shaft part provided at the center of a rotation shaft; a rotation part 12 that rotates about the shaft part; a duct 13 provided to an outer periphery of the shaft part; a motor 14 that causes the rotation part 12 to rotate; a coil 46 that emits heat due to the operation of the motor 14; and a cooling unit 17 that cools the coil 46 using cooling air. The cooling unit 17 includes: an air intake port 51 that takes in cooling air; an air discharge port 52 that discharges the cooling air; and a cooling stream flow channel 53 extending from the air intake port 51 to the air discharge port 52 through the coil 46. The air discharge port 52 is located at a position at which the pressure is more negative than at the air intake port 51.SELECTED DRAWING: Figure 3

Inventors:
YAJIMA TOSHIHIDE
URUMA OSAMU
TAKAGAKI AKIHIRO
Application Number:
JP2018233717A
Publication Date:
June 18, 2020
Filing Date:
December 13, 2018
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
B64D27/24; B64C27/16; B64C29/00; F04D29/32; F04D29/38; F04D29/58; H02K7/14; H02K9/06; H02K9/22; H02N11/00
Domestic Patent References:
JPS144950Y1
JP2013079606A2013-05-02
JP2015165127A2015-09-17
JPS55114399U1980-08-12
Foreign References:
WO2015005776A12015-01-15
US20080219844A12008-09-11
WO2017122406A12017-07-20
Attorney, Agent or Firm:
Sakai International Patent Office