Elektrische Maschine mit verminderten Ventilationsverlusten

Details

Veröffentlichungs-Nr.

EP2573906

Aktenzeichen

EP12185571

Anmeldetag

22. September 2012

Veröffentlichung

31. Oktober 2018

Erteilung

31. Oktober 2018

Rechtsraum

EP

IPC

H02K9/19// H02K1/32H02K5/20H02K16/00

Abstract

An electrical machine (10) includes a rotor (12) located at a central shaft (18) and a stator (14) located radially outboard of the rotor and secured at a back iron (26). A first baffle (46) is coupled to the central shaft at one axial end (44) of the rotor, the baffle extending radially outwardly from the shaft toward a baffle cavity (48) at the back iron. A flow of coolant is urged toward the baffle cavity along the baffle via centrifugal force. A method of flowing coolant through an electrical machine includes injecting a flow of coolant substantially radially into an electrical machine cavity (34). The flow of coolant is urged radially outwardly along a rotating baffle (46) located at one axial end (44) of a rotor (12) of the electrical machine via centrifugal force and into a baffle cavity (48) disposed at the back iron (26) at a radial end of the baffle.

Anmelder

Firma

Hamilton Sundstrand Corporation

Land

🇺🇸 USA

Fachgebiete