Title:
INTEGRATED ELECTRIC PROPULSION UNIT
Document Type and Number:
Japanese Patent JP2022067637
Kind Code:
A
Abstract:
To provide an electric propulsion unit for aircraft.SOLUTION: An electric propulsion unit comprises a housing 112, an AC motor 30, a beta rod 58, a propeller 32, a governor 64, an inverter 50, and a controller MC. The AC motor includes a plurality of bearings 38 supported inside the housing, a hollow motor shaft, a stator 25, and a rotor. The beta rod is axially translatable inside the hollow motor shaft. The propeller is mechanically coupled to the hollow motor shaft. The propeller includes propeller blades 36 having an adjustable pitch angle. The governor is configured so as to adjust the pitch angle of the propeller blades. The inverter is connected so as to receive DC power and convert it to AC power. The controller is configured so as to control operation of the inverter and to control the pitch angle of the propeller blades.SELECTED DRAWING: Figure 2
Inventors:
FREDERIC LACAUX
KAMIAR J KARIMI
EUGENE V SOLODOVNIK
AARON J KUTZMANN
PATRICK R DARMSTADT
MARY E BECKMAN
ALEJANDRO SILVA
NICHOLAS J SILVERI
ESTHER S ZIDOVETZKI
KAMIAR J KARIMI
EUGENE V SOLODOVNIK
AARON J KUTZMANN
PATRICK R DARMSTADT
MARY E BECKMAN
ALEJANDRO SILVA
NICHOLAS J SILVERI
ESTHER S ZIDOVETZKI
Application Number:
JP2021165717A
Publication Date:
May 06, 2022
Filing Date:
October 07, 2021
Export Citation:
Assignee:
BOEING CO
International Classes:
B64D27/24; B64C11/34; B64D33/08
Attorney, Agent or Firm:
Usui Nao
Minoru Yoshida
Tatsuya Tanaka
Suzuki Yasumitsu
Shintaro Suzuki
Keita Kobuchi
Tomokazu Saito
Kazuma Tsurusaki
Minoru Yoshida
Tatsuya Tanaka
Suzuki Yasumitsu
Shintaro Suzuki
Keita Kobuchi
Tomokazu Saito
Kazuma Tsurusaki