Electric vehicle control systems

• US 9,067,484 B2
• Filed: 10/23/2013
• Issued: 06/30/2015
• Est. Priority Date: 10/23/2013
• Status: Expired due to Fees

• Current Assignee: Dezhou David Zhao
• Original Assignee: Dezhou David Zhao
• Inventors: Zhao, Dezhou David
• Primary Examiner(s): Walters, John
• Assistant Examiner(s): TRIGGS, JAMES J
• Application Number:
  US14/061,016
• Publication Number:
  US 20150107914A1
• Time in Patent Office: 615 Days
• Field of Search: 180 541- 6551
• US Class Current: 1/1
• CPC Class Codes: B60F 3/0007 Arrangement of propulsion or steering means on amphibious vehicles marine propulsion or steering B63H
• CPC Class Codes: B60K 1/00 Arrangement or mounting of electrical propulsion units B60K7/00 takes precedence; arrangement or mounting of plural diverse prime-movers for mutual or common propulsion B60K6/00; electric transmission arrangements B60K17/12; electric equipment or propulsion of electrically-propelled vehicles per se B60L; current-collectors for power supply lines of electrically-propelled vehicles B60L5/00
• CPC Class Codes: B60K 1/02 comprising more than one electric motor
• CPC Class Codes: B60K 2001/001 one motor mounted on a propulsion axle for rotating right and left wheels of this axle
• CPC Class Codes: B60K 2016/003 solar power driven
• CPC Class Codes: B60K 2016/006 wind power driven
• CPC Class Codes: B60K 6/26 characterised by the motors or the generators
• CPC Class Codes: B60L 1/20 Energy regeneration from auxiliary equipment
• CPC Class Codes: B60L 15/20 for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
• CPC Class Codes: B60L 2200/40 Working vehicles
• CPC Class Codes: B60L 2220/42 with use of more than one motor
• CPC Class Codes: B60L 2220/46 Wheel motors, i.e. motor connected to only one wheel
• CPC Class Codes: B60L 2220/50 Structural details of electrical machines
• CPC Class Codes: B60L 2240/12 Speed
• CPC Class Codes: B60L 2240/26 Vehicle weight
• CPC Class Codes: B60L 2240/421 Speed
• CPC Class Codes: B60L 2240/423 Torque
• CPC Class Codes: B60L 2260/28 Four wheel or all wheel drive
• CPC Class Codes: B60L 50/15 with additional electric power supply with capacitors charged by engine-driven generators B60L50/40; with batteries charged by engine-driven generators B60L50/61
• CPC Class Codes: B60L 50/60 using power supplied by batteries in combination with fuel cells B60L50/75
• CPC Class Codes: B60L 50/66 : Arrangements of batteries
• CPC Class Codes: B60L 58/12 : responding to state of charge [SoC]
• CPC Class Codes: B60L 58/21 : having the same nominal voltage
• CPC Class Codes: B60L 8/003 : Converting light into electric energy, e.g. by using photo-voltaic systems
• CPC Class Codes: B60L 8/006 : Converting flow of air into electric energy, e.g. by using wind turbines
• CPC Class Codes: B60W 20/10 : Controlling the power contribution of each of the prime movers to meet required power demand
• 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 7/006 : Structural association of a motor or generator with the drive train of a motor vehicle
• CPC Class Codes: H02K 7/1163 : where at least two gears have non-parallel axes without having orbital motion
• 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 10/90 : Energy harvesting concepts as power supply for auxiliaries' energy consumption, e.g. photovoltaic sun-roof
• CPC Class Codes: Y10S 903/906 : Motor or generator

Abstract

An electric vehicle may include a first drive axle to drive a first wheel of the electric vehicle, a first electric motor mounted directly on the first drive axle, a power supply such as a battery to power the first electric motor, and a controller to control the electric motor. The electric vehicle may include a second drive axle to drive a second wheel and a second electric motor mounted on the second drive axle. The electric motor may be only mounted on the first drive axle. The battery may be formed from an array of batteries.

Claims

1. An electric vehicle, comprising:

a first drive axle to drive a first wheel of the electric vehicle;

a first electric motor mounted directly on the first drive axle;

a battery unit that powers the first electric motor;

a controller to control the electric motor,

wherein the controller controls the electric motor based upon driving speed, driving resistance, wind resistance, weight and the load,

wherein the controller controls the electric motor to have the same turning speed in order to meet the driving requirements;

and wherein the electrical motor includes a dirty cover.

2. An electric vehicle as in claim 1, wherein the electric vehicle includes a second drive axle to drive a second wheel and a second electric motor that is mounted on the second drive axle.

3. An electric vehicle as in claim 1, wherein the electric vehicle includes multiple driving axles to drive the vehicle and electrical motors mounted on those additional driving axles.

4. An electric vehicle as in claim 1, wherein the electrical motor includes a driving axle to raise the height of the electrical motor.

5. An electric vehicle as in claim 1, wherein the electrical motor turning direction is similar to the wheel turning direction, is perpendicular to the bottom body of the vehicle or road surface.

6. An electric vehicle as in claim 1, wherein the vehicle is a hybrid electrical vehicle combined with a fuel type generator/alternator and battery to provide electricity for the electrical motor.

7. An electric vehicle as in claim 1, wherein the vehicle is front drive;

wherein the vehicle is rear/back drive; and

wherein the vehicle is four-wheel-drive.

8. An electric vehicle as in claim 1, wherein the electrical motor is a disk type electrical motor, and wherein the stator is positioned in the middle of the electrical motor and sandwiched by the rotors or positioned into sides of the electrical motor and sandwiches the rotor.

9. An electric vehicle as in claim 1, wherein the electrical motor is a non-disk type electrical motor.

10. An electric vehicle as in claim 1, wherein the motor is a combination of disk type electrical motor and non-disk type electrical motor.

11. An electric vehicle as in claim 1, wherein the electrical motor is a single layer type electrical motor;

wherein the electrical motor is a two or multiple layer type electrical motor, and wherein the multiple layer type electrical motor includes multiple stators and multiple rotors provides higher torque for backup operation or startup operation.

12. An electric vehicle as in claim 1, wherein the controller controls additional electrical motors to meet driving requirements, and wherein the controller connects additional batteries to provide higher driving force.

13. An electric vehicle as in claim 1, wherein the controller may periodically detect electrical power level in each battery, and wherein the battery is charged by one utility power supply, solar, wind power charger mounted on the vehicle, sun heat from inside the vehicle or by wireless remote charging system.

14. An electric vehicle as in claim 1, wherein the vehicle is one of a car, a SUV, a pickup, a train, a boat, a ship, a yacht, a marine equipment, a submarine, an airplane, a helicopter, a bus, a truck, a snowmobile, an ATV, a RV, a tractor, a motorcycle, a scooter, a three wheel vehicle, a off-highway construction mobile machinery, a bicycle, a bike, a mowing machine;

and wherein the vehicle is a police car including a racing engine to provide higher moving speed.

15. An electric vehicle as in claim 1, wherein the battery is formed from an array of batteries;

wherein the battery is interior to the electric vehicle.

16. An electric vehicle as in claim 1, wherein the mechanical moving energy converted into electricity and charge back to the battery when slowing down the vehicle;

wherein using reversing electrical motor force with high frequency on/off to replace the traditional mechanical ABS system in the vehicle.

17. An electric vehicle as in claim 1, wherein the controller converts vehicle vertical vibration into electricity by using an electrical coil mounted on the wheel system of the vehicle, to cut the flux lines of magnetic field that are mounted on the body of a vehicle.