PUMP, ASSOCIATED ELECTRIC MACHINE AND ASSOCIATED METHOD

• US 20150110642A1
• Filed: 10/15/2014
• Published: 04/23/2015
• Est. Priority Date: 10/18/2013
• Status: Active Grant

• Current Assignee: Regal Beloit America, Inc.
• Original Assignee: Regal Beloit America, Inc.
• Inventors: Kreidler, Jason Jon, Manz, Lester Benjamin, Marks, Michael Allen, Guzelgunler, Yilcan, Dahouk, Mohamad Khalil, Cole, Bruce R., Golm, Norman Carl Jr., Gross, Gregory L., Wagley, John Sheldon
• Granted Patent: US 10,087,938 B2
• Time in Patent Office: Days
• US Class Current: 417/16
• CPC Class Codes: F04D 13/068 Battery powered
• CPC Class Codes: F04D 13/086 the pump and drive motor are both submerged
• CPC Class Codes: F04D 13/12 Combinations of two or more pumps combinations with priming pumps or booster pumps to counteract vapour-lock F04D9/04
• CPC Class Codes: F04D 15/0066 by changing the speed, e.g. of the driving engine
• CPC Class Codes: F04D 29/5806 Cooling the drive system
• CPC Class Codes: F04D 29/708 specially for liquid pumps
• CPC Class Codes: F04D 7/04 the fluids being viscous or non-homogenous
• CPC Class Codes: H02K 16/00 Machines with more than one rotor or stator machines for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts H02K51/00; permanent magnet machines with multiple rotors or stators relatively rotated for vectorially combining the excitation fields or the armature voltages H02K21/029
• CPC Class Codes: H02K 5/225 Terminal boxes or connection arrangements specially adapted for submersible motors H02K5/132
• CPC Class Codes: H02K 7/14 Structural association with mechanical loads, e.g. with hand-held machine tools or fans with fan or impeller for cooling the machine H02K9/06

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.

Claims

1. A propulsion system for a pump for removing fluid collected from the subterranean surface adjacent a building, the system comprising:

a housing operably connectable to the pump;

a first motor operably connected to the pump and adapted to provide energy to the pump, at least a portion of the first motor positioned within the power housing; and

a second motor operably connected to the pump and adapted to provide energy to the pump, at least a portion of the first motor positioned within the power housing.

2. The propulsion system according to claim 1, wherein at least one of the first motor and the second motor is adapted to be operably connectable to one of AC power, DC power, water pressure, a water reservoir, batteries of various voltage, DC solar power, DC wind turbine power, AC wind turbine power, DC wind turbine power, AC wind turbine power, and AC power.

3. The propulsion system according to claim 1, wherein at least one of the first motor and the second motor is one of an induction motor, a permanent magnet motor, a switched reluctance motor, an ECM motor and an axial flux motor.

4. The propulsion system according to claim 1, wherein at least one of the first motor and the second motor is adapted to operate at variable speeds.

5. The propulsion system according to claim 1, wherein at least one of the flit motor and the second motor has variable speeds adapted to match the incoming flow rate of the water in the pit.

6. The propulsion system according to claim 1, wherein at least one of the first motor and the second motor has variable speeds adapted to be changed to prevent water hammering.

7. The propulsion astern according to claim 1, wherein at least one of the first motor and the second motor is adapted to operate in a reverse direction to attempt to clear debris from one of an intake and or an impeller.

8. The propulsion system according to claim 1:

further comprising a battery;

further comprising a control; and

further comprising means to connect alternating current to the control.

9. The propulsion system according to claim 1:

further comprising a turbine; and

wherein the turbine is adapted to be positioned in one of a downspout, a pressurized water line, and a conduit connected to a water reservoir.

10. The propulsion system according to claim 1, further comprising a controller.

11. The propulsion system according to claim 10, wherein the controller utilizes DPT technology.

12. The propulsion system according to claim 10, wherein the controller is adapted to establish a signature or characteristics of the operating parameters of the system at initial startup and to compare actual operating parameters with the signature at initial startup.

13. The propulsion system according to claim 10, wherein the controller is adapted to monitor power used to calculate outgoing fluid flow rate and compare that flow to incoming fluid flow rate to measure the proper operation of the overall system including at least one of check valves, pipe connections and pipe and other blockages.

14. The propulsion system according to claim 1:

wherein the pump includes an impeller;

wherein at least one of the first motor and the second motor includes a shaft;

wherein the motor and the impeller are adapted to rotate in a first direction;

wherein the impeller is so secured to the shaft such that it will not release from the shaft if turned in a direction opposed to the first direction.

15. The propulsion system according to claim 1, wherein at least one of the first motor and the second motor is water cooled by the fluid being pumped.

16. The propulsion system according to claim 1, wherein at least one of the first motor and the second motor is a high speed motor adapted to operate at around 18,000 RPM or higher.

17. The propulsion system according to claim 1:

further comprising a controller;

wherein at least one of the motors comprises windings;

further comprising a temperature sensor positioned adjacent one of the windings and the controller, the controller and the sensor adapted to monitor the temperature of one of the windings and the controller to maximize system performance.

18. The propulsion system according to claim 1:

wherein at least one of the first motor and the second motor is an ECM motor;

further comprising a controller;

wherein the ECM motor is a backup motor; and

wherein the ECM motor is periodically operated and the controller is configured to preform diagnostics on the system.

19. The propulsion system according to claim 1:

wherein at least one of the first motor and the second motor comprises a first stator and a second stator;

wherein the first stator operates at a voltage of 100 volts or greater; and

wherein the second stator operates at a voltage 30 volts or less.

20. The propulsion system according to claim 19:

further comprising a switching mechanism; and

wherein the switching mechanism is adapted to switch at least one of the first winding and the second winding between a first mode in which the winding operates at a high voltage and second mode in which the winding operates at a low voltage.

21. A method for removing fluid from subterranean surface of a building, comprising:

providing a sump;

providing a discharging conduit;

providing a housing

providing a pump;

providing a first motor;

providing a second motor;

positioning the pump, the first motor and the second motor at least partially in the housing;

positioning the housing at least partially in the sump;

connecting the pump to the discharging conduit;

operably connecting the pump to the second motor.

22. A sump pump for pumping a fluid, comprising:

a pump adapted for pumping the fluid; and

a motor having a stator and a rotor rotatably connected to the stator, the rotor and the stator adapted to generate flux generally in a direction parallel to the rotational axis of the motor, the motor operably connected to the pump and adapted to provide rotational mechanical energy to the pump.