About 4 results
https://drivepatents.com/patents/994280 · 2 Jan 2013
An electrical generating system for aircraft with one or more engines (1,1a) includes a plurality of generators (13,23;33,43) associated with the engines so as to produce respective AC outputs. The frequencies of these outputs can differ from each other, a...
https://drivepatents.com/patents/995925 · 21 Nov 2012
A stator structure and a stator manufacturing method which are configured so that the stress occurring in resin-molded sections or insulators of the stator can be reduced. The structure of the stator is provided with coils formed by winding conductors, and...
https://drivepatents.com/patents/997655 · 3 Oct 2012
The method involves providing a low voltage frequency converter in a container (4), and providing a medium voltage frequency converter in another container (3). The latter container is placed relative to the former container, and the containers are interfa...
https://drivepatents.com/patents/1000014 · 25 Jul 2012
Apparatus for transferring power between an electricity network (U P ) operating on alternating-current electricity and a multiphase electric machine (M2, M3), which apparatus comprises low-voltage power cells (C S , C 11 ...C N6 ) operating on a cascade p...