Motor stator heat spike

Details Motor stator heat spike Motor stator heat spike

1989-06-29

1991-09-24

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310216, H02K 518

Patent

active

050516345

ABSTRACT:
An electric motor includes a heat spike within the stator slots which extends radially inward from the stator back iron into the slot between the stator teeth. The heat spike, placed within the stator slots, reduces the heat path length and increases the heat transfer areas to the iron. Together, these allow the winding heat to dissipate quicker, and thereby, reduce the hotspot temperature and improve the motor's load rating.

REFERENCES:
patent: 1238213 (1917-08-01), Stuart
patent: 2172191 (1939-09-01), Denman
patent: 2556013 (1951-06-01), Thomas
patent: 3130337 (1964-04-01), Stoller
patent: 3495114 (1970-02-01), Kazansky
patent: 3671787 (1972-06-01), Herron
patent: 4358692 (1982-11-01), Hallerback

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