Title:
MOTOR-INTEGRATED FAN, AND VERTICAL TAKEOFF AND LANDING CRAFT
Document Type and Number:
WIPO Patent Application WO/2020/122056
Kind Code:
A1
Abstract:
The present invention provides a motor-integrated fan that suctions air through a suction port and blows out the suctioned air through a blow-out port, wherein: the motor-integrated fan comprises a shaft part provided in the center of a rotation shaft, a rotation part 12 that rotates about the shaft part, a duct 13 provided to the outer circumference 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 the cooling air, an air discharge port 52 that discharges the cooling air, and a cooling flow path 53 extending from the air intake port 51 via the coil 46 to the air discharge port 52; and the air discharge port 52 is provided at a position at which the pressure is more negative than at the air intake port 51.
Inventors:
YAJIMA TOSHIHIDE (JP)
URUMA OSAMU (JP)
TAKAGAKI AKIHIRO (JP)
URUMA OSAMU (JP)
TAKAGAKI AKIHIRO (JP)
Application Number:
JP2019/048227
Publication Date:
June 18, 2020
Filing Date:
December 10, 2019
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
B64C27/16; B64C29/00; B64D27/24; F04D29/32; F04D29/58; H02K7/14; H02K9/06; H02K9/22; H02N11/00
Domestic Patent References:
| WO2015005776A1 | 2015-01-15 | |||
| WO2017122406A1 | 2017-07-20 |
Foreign References:
| US20080219844A1 | 2008-09-11 | |||
| JPS144950Y1 | ||||
| JP2013079606A | 2013-05-02 | |||
| JP2015165127A | 2015-09-17 | |||
| JPS55114399U | 1980-08-12 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
Download PDF: