Heat insulation and heat dissipation construction for flat elect

Details Heat insulation and heat dissipation construction for flat elect Heat insulation and heat dissipation construction for flat elect

1983-08-12

1985-04-09

Beha, Jr., William H.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 60R, 310 62, 310 67R, H02K 132, H02K 906

Patent

active

045104093

ABSTRACT:
An electric rotary machine including a stationary armature coil, and a rotor for generating a rotary magnetic field, wherein the armature coil is formed with slits arranged radially and each located between segments of the coil which are arranged radially, and the armature coil is supported with radial gaps at outer and inner peripheral edges of the armature coil, so that thermal strain in the coil can be released through the slits, gaps, and a resilient insulator, and thermal stresses can be prevented from developing. By utilizing the rotation of the rotor, air is introduced from outside to a central portion of the armature coil, from which it is allowed to flow radially outwardly along the armature coil, to thereby suppress a rise in the temperature of the armature coil.

REFERENCES:
patent: 3091715 (1963-05-01), Henry-Baudot
patent: 3450909 (1969-06-01), Burr
patent: 4451749 (1984-05-01), Kanayama et al.

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