# US 10,479,177 B1 · Efficient wheel

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 10,479,177 B1
- Document ID: US10479177B1
- Status: Granted
- Kind: B1
- Application number: 16/566,861
- Filed: 2019-09-10
- Granted: 2019-11-19
- 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/US10479177B1

## CPC

- B60K 1/02: comprising more than one electric motor
- 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 19/00: Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
- B60B 2900/1212: due to friction
- 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)
- B60K 7/0007: {the motor being electric}
- B60K 17/356: having fluid or electric motor, for driving one or more wheels
- Y02T 10/86: Optimisation of rolling resistance, e.g. weight reduction
- B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- 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
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION

## Abstract

An electrical passenger car, the electrical passenger car including: an electrically driven motor; and wheels, where the wheels include a first wheel, a second wheel, a third wheel, and a fourth wheel, where the first wheel and the second wheel have a radius 20 percent larger than the third wheel and the fourth wheel, where the electrical passenger car includes a total weight, where the electrical passenger car includes a center of gravity designed so that greater than 50% of the total weight will be over the first wheel and the second wheel, where the electrical passenger car is designed to travel for a greater distance for the same axial to wheel friction energy loss than a similar electrical passenger car having wheels of a smaller radius, and where the second wheel width is equal to or less than the third wheel width.

## Claims

### Claim 1

An electrical passenger car, the electrical passenger car comprising:
an electrically driven motor; and
wheels,
wherein said wheels comprise a first wheel, a second wheel, a third wheel, and a fourth wheel,
wherein said first wheel and said second wheel have a radius 20 percent larger than said third wheel and said fourth wheel,
wherein said electrical passenger car comprises a total weight,
wherein said electrical passenger car comprises a center of gravity designed so that greater than 50% of said total weight will be over said first wheel and said second wheel,
wherein said electrical passenger car is designed to travel for a greater distance for the same axial to wheel friction energy loss than a similar electrical passenger car having wheels of a smaller radius, and
wherein said second wheel width is equal to or less than said third wheel width.

### Claim 2 (depends on 1)

The electrical passenger car according to claim 1,
wherein said center of gravity has a height from a road, and
wherein said height is equivalent in length to a radius of said second wheel.

### Claim 3 (depends on 1)

The electrical passenger car according to claim 1, further comprising:
electronic traction control.

### Claim 4 (depends on 1)

The electrical passenger car according to claim 1, further comprising:
electrical steering,
wherein said electrical steering comprises independently controlling a first speed of said first wheel and independently controlling a second speed of said second wheel.

### Claim 5 (depends on 1)

The electrical passenger car according to claim 1,
wherein said first wheel and said second wheel have a radius larger than 90 cm.

### Claim 6 (depends on 1)

The electrical passenger car according to claim 1,
wherein at least one of said wheels has a radius which is at least three times larger than its width.

### Claim 7 (depends on 1)

The electrical passenger car according to claim 1, further comprising:
mechanical steering; and
electrical steering.

### Claim 8

An electrical passenger car, the electrical passenger car comprising:
an electrically driven motor; and
wheels,
wherein said wheels comprise a first wheel, a second wheel, a third wheel, and a fourth wheel,
wherein said first wheel and said second wheel have a radius 20 percent larger than said third wheel and said fourth wheel,
wherein said electrical passenger car comprises a total weight,
wherein said electrical passenger car comprises a center of gravity designed so that greater than 50% of said total weight will be over said first wheel and said second wheel,
wherein said electrical passenger car is designed to travel for a greater distance for the same axial to wheel friction energy loss than a similar electrical passenger car having wheels of a smaller radius,
wherein said center of gravity has a height from a road, and
wherein said height is equivalent in length to a radius of said second wheel.

### Claim 9 (depends on 8)

The electrical passenger car according to claim 8,
wherein said second wheel width is equal to or less than said third wheel width.

### Claim 10 (depends on 8)

The electrical passenger car according to claim 8, further comprising:
electronic traction control.

### Claim 11 (depends on 8)

The electrical passenger car according to claim 8, further comprising:
electrical steering,
wherein said electrical steering comprises independently controlling a first speed of said first wheel and independently controlling a second speed of said second wheel.

### Claim 12 (depends on 8)

The electrical passenger car according to claim 8,
wherein said first wheel and said second wheel have a radius larger than 90 cm.

### Claim 13 (depends on 8)

The electrical passenger car according to claim 8,
wherein at least one of said wheels has a radius which is at least three times larger than its width.

### Claim 14 (depends on 8)

The electrical passenger car according to claim 8, further comprising:
mechanical steering; and
electrical steering.

### Claim 15

An electrical passenger car, the electrical passenger car comprising:
an electrically driven motor;
wheels,
wherein said wheels comprise a first wheel, a second wheel, a third wheel, and a fourth wheel,
wherein said first wheel and said second wheel have a radius 20 percent larger than said third wheel and said fourth wheel,
wherein said electrical passenger car comprises a total weight,
wherein said electrical passenger car comprises a center of gravity designed so that greater than 50% of said total weight will be over said first wheel and said second wheel, and
wherein said electrical passenger car is designed to travel for a greater distance for the same axial to wheel friction energy loss than a similar electrical passenger car having wheels of a smaller radius; and
electronic traction control.

### Claim 16 (depends on 15)

The electrical passenger car according to claim 15,
wherein said center of gravity has a height from a road, and
wherein said height is equivalent in length to a radius of said second wheel.

### Claim 17 (depends on 15)

The electrical passenger car according to claim 15,
wherein said second wheel width is equal to or less than said third wheel width.

### Claim 18 (depends on 15)

The electrical passenger car according to claim 15, further comprising:
electrical steering,
wherein said electrical steering comprises independently controlling a first speed of said first wheel and independently controlling a second speed of said second wheel.

### Claim 19 (depends on 15)

The electrical passenger car according to claim 15,
wherein said first wheel and said second wheel have a radius larger than 90 cm.

### Claim 20 (depends on 15)

The electrical passenger car according to claim 15, further comprising:
mechanical steering; and
electrical steering.