Patent ID: 8148858
Filing Date: 2012-04-03
Classification: H02K

Abstract:
1. A totally enclosed motor comprising: a housing structured such that there is no free exchange of air between an ambient exterior environment of the motor and an interior electrical package chamber within the housing; an electrical package enclosed within the electrical package chamber of the housing, the electrical package structured and operable to rotate within the electrical package chamber to produce electrical or mechanical power output by the motor, and to generate a closed circuit electrical package cooling air flow that circulates longitudinally along a shaft of the motor then flows radially outward through a plurality of slot vents formed within the electrical package then flows along a outer periphery of the electrical package and then longitudinally back along the shaft, the electrical package cooling air circuit confined within the housing; an exterior cooling assembly disposed exteriorly of the housing and structured and operable to generate a directed exterior air flow along an exterior portion of the housing, the exterior air flow being separate and isolated from the closed circuit electrical package cooling air flow; and a plurality of heat pipes, each heat pipe comprising: