AIRCRAFT ELECTRICAL DRIVE (VERSIONS) Russian patent published in 2015 - IPC B64D27/24 

Abstract RU 2547938 C2

FIELD: transport.

SUBSTANCE: invention relates to aircraft engineering, particularly, to aircraft propeller electrical drives. Aircraft electrical drive (1), particularly, for helicopter (20) with at least one rotor (23) driven by dynamoelectric dual-type machine (2). Rotor (6) is arranged in air gap (12) and contains permanent magnets (13) at support (14). Note here that stators (4, 5) of said dynamoelectric machine (2) and/or rotor (6) includes cooling means. Planetary gear (3) is located in axial direction of dynamoelectric machine (2), between said rotor and said machine. Said dynamoelectric machine (2) and said planetary gear (3) are located in common housing and included common support (7) arranged there between. Support (14) of rotor (6) represents a composite design and is shaped to a bell. At least one stator (4, 5) includes oil cooling circuit. Note here that said oil circuit lubes both stator (4, 5) and said planetary gear (3).

EFFECT: higher efficiency.

6 cl, 2 dwg

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RU 2 547 938 C2

Authors

Khamann Jens

Kleptsig Markus

Kerner Olaf

Dates

2015-04-10Published

2011-07-22Filed