Abstract: A totally enclosed motor comprising a housing totally encloses an electrical package that includes plurality of slot vents extending radially outward from a shaft on which the electrical package is mounted. The electrical package being operable to generate a closed circuit electrical package cooling air flow that circulates through the slot vents and is confined within the housing. The motor additionally including an exterior cooling assembly that is operable to generate a directed exterior air flow along an exterior portion of the housing. The motor further including a plurality of heat pipes having evaporator ends disposed within the closed circuit electrical package cooling air flow and condenser ends disposed within the exterior air flow, whereby heat is removed from the electrical package chamber such that the ‘Totally Enclosed’ more provides a power output substantially equivalent to that of an ‘Open’ motor of approximately the same size.

Abstract: A motor that includes a motor portion structured to house a stator and a rotor mounted to a shaft of the motor. The motor additionally includes a cooling portion disposed adjacent to the motor portion and separated from the motor portion by a structural interface. The cooling portion provides a cooling chamber structured to have a cooling fluid passed therethrough via a cooling fluid moving device that is structured to be coupled to and driven by the motor shaft. Furthermore, the motor includes a plurality of heat pipes having evaporator ends disposed within the motor portion and condenser ends disposed within the cooling chamber. During operation of the motor and cooling fluid moving device, the cooling fluid contacts the heat pipe condenser ends to extract heat from the condenser ends, hence cooling the evaporator ends of the heat pipes, thereby cooling the motor portion of the motor and the stator and rotor housed therein.

Abstract: A motor including a frame that defines a motor portion and an adjacent cooling portion, and a plurality of heat pipes disposed within and fully enclosed by the motor frame. Each heat pipe has an evaporator end disposed within the portion of the frame that defines the motor portion and a condenser end disposed within the portion of the frame that defines the cooling portion. A cooling chamber within the motor cooling portion is structured to have a fluid introduced therein by a working device such that at least a portion of the frame defining the cooling portion is cooled via the working fluid, thereby extracting heat from the heat pipe condenser ends and cooling the motor portion of the motor.

Abstract: Certain exemplary embodiments comprise a method comprising a plurality of activities comprising, for a shaft of an electric motor, the shaft comprising a runout sensing area: determining an electrical runout value for the runout sensing area; rotating the shaft; and/or heating the runout sensing area of the shaft sufficient to reduce the electrical runout value.

Abstract: A method of cooling shaft bearings of a high speed rotating machine is provided. In various embodiments, the method includes utilizing a primary cooling circuit of the machine that is structured and operable to cool a drive package of the machine to cool condenser ends of each of a plurality of heat pipes absent an auxiliary cooling system structured for cooling the heat pipe condenser ends. Each heat pipe including a respective evaporator end disposed proximate the shaft bearings to absorb heat generated by the bearings during operation of the machine.

Abstract: An electric motor including a motor portion, a cooling portion and a plurality of heat pipes is provided. The motor portion includes a stator and a rotor that when energized with electric current causes the rotor to rotate. The motor portion comprises a motor frame that encloses the rotor and stator from exterior elements. The cooling portion is adjacent the motor portion and exterior of the motor portion. In various embodiments it defines a fluid chamber containing a quantity of fluid that is prevented from contacting interior of the motor portion. The plurality of heat pipes within the motor portion extend from the motor portion to the cooling portion such that the fluid contacts the heat pipe within the cooling portion in order to remove heat from the heat pipe.

Abstract: A composite heat pipe structure is provided. In various embodiments, the composite heat pipe structure includes an outer body and a plurality of internal heat pipes sequentially disposed in a longitudinally adjacent relationship within an interior cavity of the outer body. The internal heat pipes are sequentially thermally coupled to one another along a portion of each respective internal heat pipes so that heat absorbed at a first end of the outer body is transferred to a second end of the outer body, via the internal heat pipes, with a high rate of thermal efficiency.

Abstract: Certain exemplary embodiments comprise a method comprising a plurality of activities comprising, for a shalt of an electric motor, the shaft comprising a runout sensing area: determining an electrical runout value for the runout sensing area; rotating the shaft; and/or heating the runout sensing area of the shaft sufficient to reduce the electrical runout value.

Abstract: Certain exemplary embodiments provide a rotating machine assembly comprising a rotor machine assembly including a shaft, a plurality of laminations shrink fit around the circumference of the shaft, and weights affixed therebetween the laminations for balancing the rotating machine assembly.

Abstract: Certain exemplary embodiments provide a rotating machine assembly comprising a rotor machine assembly including a shaft, a plurality of laminations shrink fit around the circumference of the shaft, and weights affixed therebetween the laminations for balancing the rotating machine assembly.

Abstract: A mechanical mount axially and radially secures a device, such as a fan, to a shaft of a motor without a need for setscrews or keyways. Elimination of a keyway and setscrew for securing a fan to a motor shaft minimizes stress that the fan is subjected to during its operation. Certain exemplary embodiments of a system of the present invention comprising: a device; a mount of hardened material having a insertion edge with a concave shape secured to the device; and a shaft including an axial groove having a concave shape and a circumferential groove, wherein the mount along the insertion edge is insertable within the axial and circumferential groove, the concave shape of the insertion edge of the mount and the shape of the axial groove promoting a secure fit between the shaft and the mount to substantially prevent movement of the device.

Abstract: Certain exemplary embodiments provide a rotating machine assembly comprising a rotor machine assembly including a shaft, a plurality of laminations shrink fit around the circumference of the shaft, and weights affixed therebetween the laminations for balancing the rotating machine assembly.

Abstract: Certain exemplary embodiments provide a rotating machine assembly comprising a rotor machine assembly including a shaft, a plurality of laminations shrink fit around the circumference of the shaft, and weights affixed therebetween the laminations for balancing the rotating machine assembly.

Abstract: Certain exemplary embodiments provide a rotating machine assembly comprising a rotor machine assembly including a shaft, a plurality of laminations shrink fit around the circumference of the shaft, and weights affixed therebetween the laminations for balancing the rotating machine assembly.

Abstract: An electric motor including a motor portion, a cooling portion and a plurality of heat pipes. The motor portion includes a stator and a rotor that when energized with electric current causes the rotor to rotate. The motor portion comprises a motor frame that encloses the rotor and stator from exterior elements. The cooling portion is adjacent the motor portion and exterior of the motor portion. It defines a fluid chamber containing a quantity of fluid that is prevented from contacting interior of the motor portion. The plurality of heat pipes within the motor portion extend from the motor portion to the cooling portion such that the fluid contacts the heat pipe within the cooling portion in order to remove heat from the heat pipe.

Abstract: Certain exemplary embodiments comprise a system comprising: a heating element; and a control system adapted to control a heating of a shaft to a temperature within a predetermined temperature range for a predetermined time interval, the heating sufficient to reduce an electrical runout value of the shaft, the heating occurring while the shaft is rotating.

Abstract: Certain exemplary embodiments comprise a system comprising: a heating element; and a control system adapted to control a heating of a shaft to a temperature within a predetermined temperature range for a predetermined time interval, the heating sufficient to reduce an electrical runout value of the shaft, the heating occurring while the shaft is rotating.

Abstract: Certain exemplary embodiments comprise a method comprising a plurality of activities comprising, for a shaft of an electric motor, the shaft comprising a runout sensing area: determining an electrical runout value for the runout sensing area; rotating the shaft; and/or heating the runout sensing area of the shaft sufficient to reduce the electrical runout value.

Abstract: Certain exemplary embodiments comprise a system for cooling bearing of a shaft of a motor, comprising: an oil sump adapted to collect oil that contacts a bearing enclosed within the sump; and a heat exchanger physically separated from the sump and the bearing, the heat exchanger adapted to be in fluid communication with the sump and the bearing.

Abstract: Certain exemplary embodiments comprise a system for cooling bearing of a shaft of a motor, comprising: an oil sump adapted to collect oil that contacts a bearing enclosed within the sump; and a heat exchanger physically separated from the sump and the bearing, the heat exchanger adapted to be in fluid communication with the sump and the bearing.