FIELD: electric engineering.
SUBSTANCE: in proposed high-speed electric machine, comprising body equipped with end shields, stator core equipped with winding, in cylindrical cavity of which there is a rotor installed with gap, comprising inductor and bearing unit, according to invention, bearing unit is arranged with the possibility of gas dynamic support of rotor, for this purpose outer surface of rotor is shaped as a cylinder, besides it is located in cavity of cylindrical bush, preferably thin one, fixed against slipping in end shields, with a gap to its surface, open at the side of end shields, besides bush is made of insulation non-magnet antifriction material.
EFFECT: high reliability of high-speed electric machine operation at high speed of rotor rotation without increase of its dimensions and weight.
3 cl, 2 dwg
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Authors
Dates
2010-03-27—Published
2009-01-26—Filed