Pump, associated electric machine and associated method
First Claim
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1. A method for removing fluid from a subterranean surface of a building, comprising:
- providing a sump;
providing a discharging conduit;
providing a motor housing including a cylindrical shell and opposed end caps;
providing a pump;
providing a shaft;
providing an axial flux motor having an axial flux stator and an axial flux rotor;
connecting the shaft directly to the axial flux rotor;
connecting the axial flux stator to one of the opposed end caps of the motor housing;
providing a radial flux motor having a radial flux stator and a radial flux rotor, the radial flux rotor spaced from the axial flux rotor;
connecting the shaft directly to the radial flux rotor;
connecting the radial flux stator directly to the shell;
positioning the axial flux motor and the radial flux motor within the motor housing;
connecting the pump to the discharging conduit; and
connecting the pump to the shaft and to the sump; and
connecting the axial flux rotor and the radial flux rotor solely to each other by the shaft.
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Accused Products
Abstract
A pumping device for pumping a fluid is provided. The pumping device includes a pump and a power housing. At least a portion of the pump is positioned within the power housing. The pumping device also includes a first motor and a second motor. The first motor is operably connected to the pump and adapted to provide energy to the pump. At least a portion of the first motor is positioned within the power housing. The second motor is operably connected to the pump and adapted to provide energy to the pump. At least a portion of the second motor is positioned within the power housing.
79 Citations
19 Claims
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1. A method for removing fluid from a subterranean surface of a building, comprising:
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providing a sump; providing a discharging conduit; providing a motor housing including a cylindrical shell and opposed end caps; providing a pump; providing a shaft; providing an axial flux motor having an axial flux stator and an axial flux rotor; connecting the shaft directly to the axial flux rotor; connecting the axial flux stator to one of the opposed end caps of the motor housing; providing a radial flux motor having a radial flux stator and a radial flux rotor, the radial flux rotor spaced from the axial flux rotor; connecting the shaft directly to the radial flux rotor; connecting the radial flux stator directly to the shell; positioning the axial flux motor and the radial flux motor within the motor housing; connecting the pump to the discharging conduit; and connecting the pump to the shaft and to the sump; and connecting the axial flux rotor and the radial flux rotor solely to each other by the shaft. - View Dependent Claims (2, 3, 4, 5)
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6. A propulsion system for a pump for removing fluid collected from a subterranean surface adjacent a building, the system comprising:
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a housing including a cylindrical shell and opposed end caps; an axial flux motor having an axial flux stator, an axial flux rotor, and a shaft connected to the axial flux rotor, the cylindrical shell of said housing surrounding said axial flux motor, the axial flux rotor mounted on the shaft and rotatably supported by the housing, the axial flux stator connected to one the opposed end caps, the axial flux stator and the axial flux rotor positioned within the cylindrical shell of said housing; and a radial flux motor having a radial flux stator and a radial flux rotor, the shaft connected to the radial flux rotor, the radial flux stator and the radial flux rotor positioned within the cylindrical shell of said housing, the radial flux stator directly connected to the shell, the axial flux rotor and the radial flux rotor spaced from each other and solely connected to each other by the shaft, the shaft connecting the axial flux rotor and the radial flux rotor to the pump. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
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15. A propulsion system for a pump for removing fluid collected from the subterranean surface adjacent a building, the system comprising:
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a housing including a central portion and opposed end portions; an axial flux motor having an axial flux stator, an axial flux rotor, and a shaft connected to the axial flux rotor, the central portion of said housing surrounding said axial flux motor, the axial flux rotor mounted on the shaft and rotatably supported by the housing, the axial flux stator connected to one the opposed end portions, the axial flux stator and the axial flux rotor positioned within the central portion of said housing; and a radial flux motor having a radial flux stator and a radial flux rotor, the shaft connected to the radial flux rotor, the radial flux stator and the radial flux rotor positioned within the central portion of said housing, the radial flux stator directly connected to the central portion of said housing, the axial flux rotor and the radial flux rotor spaced from each other and solely connected to each other by the shaft, the shaft connecting the axial flux rotor and the radial flux rotor to the pump. - View Dependent Claims (16, 17, 18, 19)
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Specification