VEHICLE

• US 20190031033A1
• Filed: 09/13/2018
• Published: 01/31/2019
• Est. Priority Date: 05/09/2012
• Status: Active Grant

• Current Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Original Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Inventors: ICHIKAWA, Shinji
• Granted Patent: US 10,960,770 B2
• Time in Patent Office: Days
• CPC Class Codes: B60L 53/12 Inductive energy transfer
• CPC Class Codes: B60L 53/122 Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
• CPC Class Codes: B60L 53/126 Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10
• CPC Class Codes: H02J 2310/48 for electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• CPC Class Codes: H04B 5/26 using coils
• CPC Class Codes: H04B 5/79 for data transfer in combination with power transfer
• 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 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles

Abstract

A vehicle includes a coil (22) receiving electric power contactlessly from a power transmission unit (56) provided externally; and a bottom surface. The coil (22) is formed to surround a winding axis (O1) of the coil (22). When the winding axis (O1) and the bottom surface (76) are viewed from above the vehicle, the coil (22) is disposed such that the winding axis (O1) located to fall within the bottom surface (76) is shorter in length than the vehicle in a front-rear direction.

Claims

1. A vehicle comprising:

a first wheel and a second wheel arranged in a width direction of the vehicle;

a refueling portion configured to connected to an external refueling plug;

a charging portion configured to connected to an external charging plug,

wherein the refueling portion and the charging portion are located only at a rear side relative to a center of said vehicle in front-rear direction of the vehicle; and

a first coil and a second coil each receiving electric power contactlessly from a power transmission unit provided externally,

the first coil being formed to surround a first winding axis extending in a vertical direction,

the second coil being formed to surround a second winding axis extending in the vertical direction,

the first coil and the second coil being formed such that a current direction in a winging direction of the first coil and a current direction in a winding direction of the second coil are opposite to each other during power reception,

an electromagnetic field being formed around the first coil and the second coil,

wherein the first coil and the second coil are located at a front side relative to the center of said vehicle in the front-rear direction,

wherein the first coil and the second coil are disposed between the first front wheel and the second front wheel, and

wherein the electromagnetic field is distributed wider in width direction of the vehicle than in traveling direction of the vehicle.

2. A vehicle comprising:

a first wheel and a second wheel arranged in a width direction of the vehicle;

a refueling portion configured to connected to an external refueling plug;

a charging portion configured to connected to an external charging plug,

wherein the refueling portion and the charging portion are located only at a rear side relative to a center of said vehicle in front-rear direction of the vehicle; and

a first coil and a second coil each receiving electric power contactlessly from a power transmission unit provided externally,

the first coil being formed to surround a first winding axis extending in a vertical direction,

the second coil being formed to surround a second winding axis extending in the vertical direction,

the first coil and the second coil being formed to be symmetric with respect to a virtual plane located between the first and the second coil, the virtual plane being parallel with a traveling direction of the vehicle,

an electromagnetic field being formed around the first coil and the second coil,

wherein the first coil and the second coil are located at a front side relative to the center of said vehicle in the front-rear direction,

wherein the first coil and the second coil are disposed between the first front wheel and the second front wheel, and

wherein the electromagnetic field is distributed wider in width direction of the vehicle than in traveling direction of the vehicle.