US 12,233,793 B2
Power conversion apparatus, electric power system for aircraft, and method of controlling power conversion apparatus
Junichi Nakashima, Tokyo (JP); Kenji Fujiwara, Tokyo (JP); Kozo Harada, Tokyo (JP); Kunihiko Tajiri, Tokyo (JP); and Yuji Shirakata, Tokyo (JP)
Assigned to MITSUBISHI ELECTRIC CORPORATION, Tokyo (JP)
Appl. No. 18/019,248
Filed by Mitsubishi Electric Corporation, Tokyo (JP)
PCT Filed Sep. 7, 2020, PCT No. PCT/JP2020/033822
§ 371(c)(1), (2) Date Feb. 2, 2023,
PCT Pub. No. WO2022/049778, PCT Pub. Date Mar. 10, 2022.
Prior Publication US 2023/0271579 A1, Aug. 31, 2023
Int. Cl. B60R 16/03 (2006.01); H02M 7/00 (2006.01); H02M 7/48 (2007.01)
CPC B60R 16/03 (2013.01) [H02M 7/003 (2013.01); H02M 7/48 (2013.01); B64D 2221/00 (2013.01); H02J 2310/44 (2020.01)] 18 Claims
OG exemplary drawing
 
1. A power conversion apparatus for an aircraft comprising:
a hermetic housing including a gas inlet valve and a gas outlet valve;
a power semiconductor module in an internal space in the hermetic housing; and
dry gas with which the internal space in the hermetic housing is filled,
wherein while the aircraft is moving, the gas inlet valve and the gas outlet valve are kept closed.