Inverted electric motor and method for using such to propel a vehicle

• US 20070188125A1
• Filed: 02/13/2006
• Published: 08/16/2007
• Est. Priority Date: 02/13/2006
• Status: Active Grant

• Current Assignee: Megay Lyn, Ms. Shepard, Roger Wade, Mr Shepard
• Original Assignee: Component Systems, Inc.
• Inventors: Shepard, BJ
• Granted Patent: US 7,262,579 B1
• Time in Patent Office: Days
• US Class Current: 318/778
• CPC Class Codes: B60K 2007/0038 the motor moving together with the wheel axle
• CPC Class Codes: B60K 2007/0092 the motor axle being coaxial to the wheel axle
• CPC Class Codes: B60K 6/46 Series type
• CPC Class Codes: B60K 7/0007 the motor being electric
• CPC Class Codes: B60L 1/003 to auxiliary motors, e.g. for pumps, compressors
• CPC Class Codes: B60L 1/02 to electric heating circuits
• CPC Class Codes: B60L 15/2045 for optimising the use of energy
• CPC Class Codes: B60L 2210/40 DC to AC converters
• CPC Class Codes: B60L 2220/44 Wheel Hub motors, i.e. integrated in the wheel hub
• CPC Class Codes: B60L 2240/12 Speed
• CPC Class Codes: B60L 2240/34 Cabin temperature
• CPC Class Codes: B60L 2240/36 Temperature of vehicle components or parts
• CPC Class Codes: B60L 2240/441 Speed
• CPC Class Codes: B60L 3/0061 relating to electrical machines
• CPC Class Codes: B60L 3/0084 relating to control modules
• CPC Class Codes: B60L 50/51 characterised by AC-motors
• CPC Class Codes: B60L 50/61 by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 58/20 having different nominal voltages
• CPC Class Codes: B60L 58/21 having the same nominal voltage
• CPC Class Codes: B60L 7/14 : for vehicles propelled by ac motors
• CPC Class Codes: H02K 17/16 : having rotors with internally short-circuited windings, e.g. cage rotors
• CPC Class Codes: Y02T 10/62 : Hybrid vehicles
• CPC Class Codes: Y02T 10/64 : Electric machine technologies in electromobility
• CPC Class Codes: Y02T 10/70 : Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 : Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 10/72 : Electric energy management in electromobility
• CPC Class Codes: Y02T 90/12 : Electric charging stations
• CPC Class Codes: Y02T 90/14 : Plug-in electric vehicles

Abstract

An alternating current, multiphase, squirrel cage induction electric motor in a unique inverted design, including a method of applying the motor with controls, operator interface, batteries, and peripheral devices to propel a non-polluting electric vehicle.

Claims

1. An inverted, alternating current, multiphase, squirrel cage, induction electric motor;

comprising;

A laminated rotor having a plurality of notches, said rotor having a squirrel cage disposed within said notches made of dissimilar metal than said laminations;

a laminated stator having a plurality of notches, said stator being disposed within said rotor and said stator having a smaller diameter than said rotor;

a plurality of electric wires traversing said stator through said notches forming coils;

a motor starter having capability of allowing electric current to pass in a controlled manner from the electrical source to said coils in said stator;

at least one battery pack supplying electric power to said motor starter, having connectors for an external battery charger; and

a means for attaching said rotor to a rotational device.

2. The inverted, electric motor of claim 1, wherein said means for attaching said rotor to a rotational device is a mounting hub having a double sided flange.

3. The inverted, electric motor of claim 1, wherein said stator is made of laminations of electrical sheet steel.

4. The inverted, electric motor of claim 1, wherein said rotor is made of laminations of electrical sheet steel.

5. The inverted electric motor of claim 1, wherein said rotor has a squirrel cage cast within said notches using metal dissimilar to said electrical sheet steel.

6. The inverted, electric motor of claim 1, wherein said rotor is made of aluminum alloy casting and has a plurality of permanent magnet segments disposed within the inside diameter of said rotor.

7. The inverted, electric motor of claim 1, further comprising a protective motor housing.

8. The inverted, electric motor of claim 1, wherein said motor starter is a programmable variable frequency, variable voltage motor controller.

9. The inverted, electric motor of claim 8, wherein said programmable variable frequency, variable voltage motor controller is modified to be heat sensitive and is capable of receiving power directly from said DC batteries to it'"'"'s DC BUS.

10. The inverted, electric motor of claim 8, wherein said programmable variable frequency, variable voltage motor controller is connected to an operator controlled interface.

11. The inverted, electric motor of claim 8, wherein said programmable variable frequency, variable voltage motor controller is connected to an automated controlled interface.

12. The inverted, electric motor of claim 1, wherein said motor starter is a programmable direct, variable voltage current motor control.

13. The inverted, electric motor of claim 12, wherein said programmable direct current, variable voltage motor controller is connected to an operator controlled interface.

14. The inverted, electric motor of claim 12, wherein said programmable, direct current, variable voltage motor controller is connected to an automated controlled interface.

15. The inverted, electric motor of claim 1, further comprising an internal combustion engine.

16. The inverted, electric motor of claim 15, further comprising a direct current generator that receives rotational power from said internal combustion engine and provides direct current to said at least one battery pack.

17. The inverted, electric motor of claim 15, further comprising an alternator that receives its rotational power from said internal combustion engine and provides direct current to said at least one battery pack.

18. A method of propelling a vehicle solely by electricity, comprising the steps of:

obtaining an inverted, alternating current, multiphase, squirrel cage induction electric motor;

obtaining at least one battery pack;

obtaining at least one programmable variable frequency, variable voltage motor controller that is modified to be heat sensitive and is capable of receiving power directly from the DC battery pack to it'"'"'s DC BUS, said motor controller having connections for an operator controlled interface and having at least one direct current bus; and

mechanically and electrically combining said inverted, alternating current, multiphase, squirrel cage induction electric motor with said heat sensitive programmable variable frequency, variable voltage motor controller and said at least one battery pack.

19. A method of propelling a vehicle solely by electricity, comprising the steps of:

obtaining an inverted, permanent magnet electric motor;

obtaining at least one battery pack;

obtaining at least one programmable variable voltage motor controller that is modified to be heat sensitive and is capable of receiving power directly from the DC battery pack to it'"'"'s DC BUS, said motor controller having connections for an operator controlled interface and having at least one direct current bus; and

mechanically and electrically combining said inverted, permanent magnet electric motor with said heat sensitive programmable direct current variable voltage motor controller and said at least one battery pack.