Method and apparatus for heat removal from electric motor...

Details Method and apparatus for heat removal from electric motor... Method and apparatus for heat removal from electric motor...

2006-03-14

2009-06-09

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S052000, C310S089000, C310S260000

Reexamination Certificate

active

07545060

ABSTRACT:
An electric motor includes a stator having a plurality of slots. The slots have slot ends and channels formed between the slot ends. A plurality of wire windings is disposed in the slots. A plurality of winding end-turns is formed by the wire windings and is adjacent to the slot ends. The electric motor also includes a cooling tube connected to a periphery formed by the winding end-turns. The cooling tube is operable to absorb heat from the electric motor. The cooling tube can cool the winding end-turns more efficiently than traditional electric motor water jackets and/or cooling fans.

REFERENCES:
patent: 2844745 (1958-07-01), Hamm
patent: 4322645 (1982-03-01), Spirk et al.
patent: 4396848 (1983-08-01), Scheldorf et al.
patent: 4644210 (1987-02-01), Meisner et al.
patent: 4797588 (1989-01-01), Capion
patent: 4959569 (1990-09-01), Snuttjer et al.
patent: 5081382 (1992-01-01), Collings et al.
patent: 5372213 (1994-12-01), Hasebe et al.

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