ELECTRICITY SUPPLY DEVICE, ELECTRICITY RECEPTION DEVICE, AND ELECTRICITY SUPPLY SYSTEM
4 Assignments
0 Petitions
Accused Products
Abstract
In the present invention, an electricity supply unit (103) contactlessly supplies electricity using electromagnetic induction to an electricity reception unit (153) provided to a vehicle. An electricity supply coil (103a) has a ring shape, and supplies electricity to the electricity reception unit (153) while facing the electricity reception unit (153). A casing (103b) houses the electricity supply coil (103a). The casing (103b) has an inclined section (202) that is inclined in a manner so as to approach the electricity supply coil (103a) gradually in the direction towards the outer periphery (212) of the electricity supply coil (103a) in the radial direction of the electricity supply coil (103a) at the portion at which the electricity supply coil (103a) is projected when the electricity supply coil (103a) is projected at the casing (103b) in the direction towards the electricity reception unit (153).
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Citations
21 Claims
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1-9. -9. (canceled)
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10. An electricity supply apparatus that supplies electricity in a contactless manner to an electricity reception section provided in a vehicle, the apparatus comprising:
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a hollow ring-shaped electricity supply coil that supplies electricity to an electricity reception coil of the electricity reception section; and a casing that houses the electricity supply coil, wherein the casing includes an inclined portion that inclines in such a way as to gradually approach the electricity supply coil toward an outer periphery of the electricity supply coil, wherein; the inclined portion is formed in at least a part of a projection region formed when the electricity supply coil is projected to the casing in a center axis direction of the electricity supply coil; and when a foreign object having a flat surface is on the inclined portion with the flat surface in contact with the inclined portion, the inclined portion causes the flat surface of the foreign object to incline at a predetermined angle with respect to a radial direction of the electricity supply coil. - View Dependent Claims (11, 12, 13, 14)
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15. An electricity reception apparatus that is provided in a vehicle and that receives electricity from an electricity supply section in a contactless manner, the apparatus comprising:
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a hollow ring-shaped electricity reception coil that receives electricity from the electricity supply coil of the electricity supply section; and a casing that houses the electricity reception coil, wherein the casing includes an inclined portion that inclines in such a way as to gradually approach the electricity reception coil toward an outer periphery of the electricity reception coil, wherein the inclined portion is formed in at least a part of a projection region formed when the electricity reception coil is projected to the casing in a center axis direction of the electricity reception coil. - View Dependent Claims (16, 17, 18, 19)
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20. An electricity supply system comprising:
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an electricity reception apparatus that is provided in a vehicle; and an electricity supply apparatus that supplies electricity in a contactless manner to the electricity reception apparatus, wherein the electricity reception apparatus includes; a hollow ring-shaped electricity reception coil that receives electricity from an electricity supply coil of the electricity supply apparatus; and an electricity-reception-side casing that houses the electricity reception coil, and the electricity supply apparatus includes; a hollow ring-shaped electricity supply coil that supplies electricity to the electricity reception coil of the electricity reception apparatus; and an electricity-supply-side casing that houses the electricity supply coil, wherein; the electricity-reception-side casing includes an electricity-reception-side inclined portion that inclines in such a way as to gradually approach the electricity reception coil toward an outer periphery of the electricity reception coil, wherein the electricity-reception-side inclined portion is formed in at least a part of a first projection region formed when the electricity reception coil is projected to the electricity-reception-side casing in a center axis direction of the electricity reception coil; and the electricity-supply-side casing includes an electricity-supply-side inclined portion that inclines in such a way as to gradually approach the electricity supply coil toward an outer periphery of the electricity supply coil, wherein the electricity-supply-side inclined portion is formed in at least a part of a second projection region formed when the electricity supply coil is projected to the electricity-supply-side casing in a center axis direction of the electricity supply coil. - View Dependent Claims (21)
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Specification