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Patent Searching and Data


Title:
航空機用の推進システム
Document Type and Number:
Japanese Patent JP6745842
Kind Code:
B2
Abstract:
A hybrid-electric propulsion system includes a propulsor 104A, a turbomachine 102A, and an electrical system. The electrical system includes a first electric machine 56A coupled to the turbomachine 102A and an electric energy storage unit 55. A method 300 for operating the hybrid-electric propulsion system includes operating the hybrid electric propulsion system in a flight operation mode at 302, including rotating at 304 the first electric machine with the turbomachine to generate electrical power and provide at least a portion of such electrical power to the electric energy storage unit. The method also includes operating at 312 the hybrid electric propulsion system in a maintenance operation mode, including providing at 314 electrical power from an electrical power source to the first electric machine such that the first electric machine rotates a compressor and a turbine of the turbomachine during a borescope inspection of the turbomachine.

Inventors:
Robert Charles Hong
Michael Thomas Gunsler
Application Number:
JP2018116547A
Publication Date:
August 26, 2020
Filing Date:
June 20, 2018
Export Citation:
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Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
F02C7/00; B64D27/12; B64D27/24; B64F5/60; F01D25/00; F02C6/00
Domestic Patent References:
JP2016135671A
JP56060843A
Foreign References:
DE102005003853A1
FR2950657A1
EP3048042A1
EP2660440A2
US20080276620
Attorney, Agent or Firm:
Masato Iida
Choi
Kenji Tanaka
Arakawa Satoshi
Hirokazu Ogura
Takuto Tanaka