Motor with cooling structure

Details Motor with cooling structure Motor with cooling structure

1999-06-22

2000-09-05

LaBalle, Clayton

Electrical generator or motor structure

Dynamoelectric

Rotary

310 57, 310 54, 310113, 310114, 310216, 310259, 310266, H02K 900, H02K 908, H02K 122, H02K 4704, H02K 1600

Patent

active

061147842

ABSTRACT:
In a motor having a cylindrical stator fixed to a motor housing and inner and outer rotors concentrically arranged to the stator, a cooling structure of the motor includes cooling jackets formed in the stator. Coolant inlet and outlet ports are provided at an axial end of the rotor which end is opposite to an output end portion of the outer rotor. The coolant inlet and outlet ports are connected to the cooling jackets to supply and discharge coolant to and from the cooling jackets. A coolant return portion is provided at the other axial end of the rotor and connects each pair of the cooling jackets.

REFERENCES:
patent: 3462626 (1969-08-01), Kluss
patent: 4745314 (1988-05-01), Nakano
patent: 4839545 (1989-06-01), Chitayat
patent: 5705865 (1998-01-01), Ishida et al.
patent: 5744895 (1998-04-01), Seguchi et al.
patent: 5793136 (1998-08-01), Redzic
patent: 5886433 (1999-03-01), Oda et al.
patent: 5973427 (1999-10-01), Suzuki et al.

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