Gas-cooled rotary electric machine

Details Gas-cooled rotary electric machine Gas-cooled rotary electric machine

H - Electricity

02

K

310/22

H02K 5/12 (2006.01) H02K 9/08 (2006.01)

Patent

CA 1120523

ABSTRACT OF THE DISCLOSURE A hermetic casing filled with a cooling gas contains a stator core having cooling ducts in radial direction, and a rotor comprised of a rotor body and an end-winding region and a fan for circulating the cooling gas. The cooled gas is divided into two flows at fan outlet by the dividing wall. One gas flow pressurized by the fan makes its way to the rotor end region and cools the same, and is discharged to the armature end region. The other gas flow pressurized by the gas goes to the stator core and the rotor body and cools the same, and then is discharged to the inlet side of the cooler. The two gas flows merge with each other at the inlet of the cooler, axe cooled through the cooler, and reach the fan inlet region.

317770

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