ELECTRICITY SUPPLY APPARATUS AND ELECTRICITY RECEPTION APPARATUS

• Main Authors: Ohashi, Osamu, Nishio, Tsuyoshi, Koizumi, Masayoshi, Asaoka, Noriaki
• Format: Patent
• Language: English
• Published: 31.05.2018
• Subjects: BASIC ELECTRIC ELEMENTS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROLLING; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERATION; INDUCTANCES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MAGNETS; PERFORMING OPERATIONS; PHYSICS; POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES; REGULATING; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES; SYSTEMS FOR STORING ELECTRIC ENERGY; TRANSFORMERS; TRANSPORTING; VEHICLES IN GENERAL

An electricity supply apparatus supplies electricity in a contactless manner to an electricity reception section provided in a vehicle, the apparatus including: an electricity supply coil configured to supply electricity to an electricity reception coil of the electricity reception section, the electricity supply coil having a ring shape, an in-edge, an out-edge, and a mid-point, the inn-edge being adjacent to a hollow portion of the ring shape in a radial direction of the electricity supply coil, the out-edge being outer than the inn-edge in the radial direction, and the mid-point being between the inn-edge and the out-edge in the radial direction; and a casing which houses the electricity supply coil, the casing having a first surface configured to face the electricity reception section and a second surface on which the electricity supply coil is located.