# US 11,993,242 B2 · Efficient electrical passenger car with motor control > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,993,242 B2 - Document ID: US11993242B2 - Status: Granted - Kind: B2 - Application number: 18/385,376 - Filed: 2023-10-30 - Published: 2024-05-02 - Granted: 2024-05-28 - Earliest claimed: 2016-06-12 - Assignees: Or-Ment LLC - Applicants: Or-Ment LLC - Inventors: Zvi Or-Bach; Brian Cronquist - Web page: https://patentgrep.com/patent/US11993242B2 ## CPC - B60W 10/08: including control of electric propulsion units, e.g. motors or generators - B62D 61/00: Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern - B60B 3/00: Disc wheels, i.e. wheels with load-supporting disc body (non- metallic B60B5/00; wheel cover discs B60B7/00 {; disc wheels comprising rail-engaging elements B60B17/0006}) - B60W 10/04: including control of propulsion units - B60W 10/20: including control of steering systems - B60B 3/10: apertured to simulate spoked wheels - B60W 2710/083: Torque - B60W 2720/28: Wheel speed - B60W 2720/403: between front and rear axle - B60Y 2200/11: Passenger cars; Automobiles - B62D 11/02: by differentially driving ground-engaging elements on opposite vehicle sides - Y02T 10/86: Optimisation of rolling resistance, e.g. weight reduction - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M) - B60B: VEHICLE WHEELS (making wheels or wheel parts by rolling B21H1/00, by forging, hammering or pressing B21K1/28); CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract An electrical passenger car, the electrical passenger car including: at least two electrically driven motors; a battery pack; motor control electronics, where the motor control electronics are connected to the at least two electrically driven motors; wheels, where the wheels are connected to the at least two electrically driven motors; and sensors, where the sensors are connected to at least the motor control electronics, where the wheels include a first wheel and a second wheel, where the second wheel has a radius at least 7% greater than a radius of the first wheel, where the battery pack is mounted in the car frame such that the battery pack could be moved forward or backward, and where the electrical passenger car is designed to be driven on a paved road. ## Claims ### Claim 1 An electrical passenger car, the electrical passenger car comprising: at least two electrically driven motors; a battery pack; motor control electronics, wherein said motor control electronics are connected to said at least two electrically driven motors; wheels, wherein said wheels are connected to said at least two electrically driven motors; and sensors, wherein said sensors are connected to at least said motor control electronics, wherein said wheels comprise a first wheel and a second wheel, wherein said second wheel has a radius at least 7% greater than a radius of said first wheel, wherein said battery pack is mounted in a frame of the electric passenger car such that said battery pack could be moved forward or backward, and wherein said electrical passenger car is designed to be driven on a paved road. ### Claim 2 (depends on 1) The electrical passenger car according to claim 1, wherein said motor control electronics control said at least two electrically driven motors to provide a greater torque to said first wheel than to said second wheel. ### Claim 3 (depends on 1) The electrical passenger car according to claim 1, wherein said electrical passenger car comprises a center of gravity, and wherein a distance from said center of gravity to a road surface is at least 10% longer or at least 10% shorter than said second wheel radius. ### Claim 4 (depends on 1) The electrical passenger car according to claim 1, wherein said motor control electronics are adapted to provide a greater braking and recharging efficiency from said second wheel than from said first wheel. ### Claim 5 (depends on 1) The electrical passenger car according to claim 1, wherein said electrical passenger car is designed to move for a first distance, for the same axial to wheel friction energy loss, said first distance which is greater than a second distance an electrical passenger car having wheels of a smaller radius would move. ### Claim 6 (depends on 1) The electrical passenger car according to claim 1, wherein said electrical passenger car comprises a center of gravity, and wherein a first distance from said center of gravity to said second wheel is at least 10% shorter than a second distance from said center of gravity to said first wheel. ### Claim 7 (depends on 1) The electrical passenger car according to claim 1, further comprising: electrical steering, wherein said wheels comprise a first front wheel and a second front wheel, wherein said electrical steering comprises independently controlling a first speed of said first front wheel and independently controlling a second speed of said second front wheel, and wherein during a turn of said electrical passenger car said first speed is not equal to said second speed. ### Claim 8 An electrical passenger car, the electrical passenger car comprising: at least two electrically driven motors; motor control electronics, wherein said motor control electronics are connected to said at least two electrically driven motors; wheels, wherein said wheels are connected to said at least two electrically driven motors; and sensors, wherein said sensors are connected to at least said motor control electronics, wherein said wheels comprise a first wheel and a second wheel, wherein said second wheel has a radius at least 7% greater than a radius of said first wheel, wherein said electrical passenger car is designed to be driven on a paved road, wherein during an acceleration of said electrical passenger car, said motor control electronics receive first signals from said sensors, wherein said first signals indicate skidding of said first wheel, wherein said motor control electronics send second signals to at least one of said at least two electrically driven motors, and wherein said second signals comprise instructions to reduce torque for said second wheel and to increase torque to said first wheel. ### Claim 9 (depends on 8) The electrical passenger car according to claim 8, wherein said second wheel comprises at least one rear wheel of said electrical passenger car. ### Claim 10 (depends on 8) The electrical passenger car according to claim 8, wherein said electrical passenger car comprises a center of gravity, and wherein a distance from said center of gravity to a road surface is at least 10% longer or at least 10% shorter than said second wheel radius. ### Claim 11 (depends on 8) The electrical passenger car according to claim 8, wherein said motor control electronics are adapted to provide a greater braking and recharging efficiency from said second wheel than from said first wheel. ### Claim 12 (depends on 8) The electrical passenger car according to claim 8, wherein said electrical passenger car is designed to move for a first distance, for the same axial to wheel friction energy loss, said first distance which is greater than a second distance an electrical passenger car having wheels of a smaller radius would move. ### Claim 13 (depends on 8) The electrical passenger car according to claim 8, wherein said electrical passenger car comprises a center of gravity, and wherein a first distance from said center of gravity to said second wheel is at least 10% shorter than a second distance from said center of gravity to said first wheel. ### Claim 14 (depends on 8) The electrical passenger car according to claim 8, further comprising: electrical steering, wherein said wheels comprise a first front wheel and a second front wheel, wherein said electrical steering comprises independently controlling a first speed of said first front wheel and independently controlling a second speed of said second front wheel, and wherein during a turn of said electrical passenger car said first speed is not equal to said second speed. ### Claim 15 An electrical passenger car, the electrical passenger car comprising: at least one permanent motor and at least one induction motor; motor control electronics, wherein said motor control electronics are connected to said at least one permanent motor and to said at least one induction motor; wheels, wherein said wheels are connected to said at least one permanent motor and to said at least one induction motor; and sensors, wherein said sensors are connected to at least said motor control electronics, wherein said wheels comprise a first wheel and a second wheel, wherein said second wheel has a radius at least 7% greater than a radius of said first wheel, wherein said electrical passenger car comprises a center of gravity designed so that greater than 50% of total weight will be over said second wheel, and wherein said electrical passenger car is designed to be driven on a paved road. ### Claim 16 (depends on 15) The electrical passenger car according to claim 15, wherein said motor control electronics control said at least one permanent motor and said at least one induction motor to provide a greater torque to said first wheel than to said second wheel. ### Claim 17 (depends on 15) The electrical passenger car according to claim 15, wherein said electrical passenger car comprises a center of gravity, and wherein a distance from said center of gravity to a road surface is at least 10% longer or at least 10% shorter than said second wheel radius. ### Claim 18 (depends on 15) The electrical passenger car according to claim 15, wherein said motor control electronics are adapted to provide a greater braking and recharging efficiency from said second wheel than from said first wheel. ### Claim 19 (depends on 15) The electrical passenger car according to claim 15, wherein said electrical passenger car is designed to move for a first distance, for the same axial to wheel friction energy loss, said first distance which is greater than a second distance an electrical passenger car having wheels of a smaller radius would move. ### Claim 20 (depends on 15) The electrical passenger car according to claim 15, wherein said electrical passenger car comprises a center of gravity, and wherein a first distance from said center of gravity to said second wheel is at least 10% shorter than a second distance from said center of gravity to said first wheel.