# US 10,870,354 B2 · Vehicle-mounting structure for contactless power reception device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,870,354 B2 - Document ID: US10870354B2 - Status: Granted - Kind: B2 - Application number: 16/478,538 - Filed: 2017-01-30 - Published: 2020-02-13 - Granted: 2020-12-22 - Earliest claimed: 2017-01-30 - Assignees: Nissan Motor Co., Ltd. - Applicants: Nissan Motor Co., Ltd. - Inventors: Akihiro Asai - Web page: https://patentgrep.com/patent/US10870354B2 ## CPC - B60L 5/00: Current collectors for power supply lines of electrically-propelled vehicles (current collectors in general H01R41/00) - B60L 50/60: using power supplied by batteries (in combination with fuel cells B60L50/75) - B60L 53/12: Inductive energy transfer - B60L 53/122: Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil - H01F 38/14: Inductive couplings - H02J 50/10: using inductive coupling - H02J 50/12: of the resonant type - B60L 50/66: {Arrangements of batteries} - B60L 53/20: characterised by converters located in the vehicle - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY ## Abstract A power reception coil is a circular coil having a hollow portion formed in a center portion of the power reception coil in a radial direction. The power reception coil, a resonant capacitor, and a magnetic member are arranged in a power reception coil unit forming a contactless power reception device. The power reception coil unit is attached to a member element serving as a frame member of a vehicle body. A hollow portion corresponding region which is a portion of the power reception coil unit corresponding to the hollow portion of the power reception coil is in contact with the member element. ## Claims ### Claim 1 A vehicle-mounting structure for a contactless power reception device in which the contactless power reception device including a power reception coil configured to contactlessly receive power by way of magnetic coupling with a power transmission coil on a road surface side is mounted in a lower portion of a vehicle body of a vehicle, wherein the power reception coil is a circular coil having a hollow portion formed in a center portion of the power reception coil in a radial direction, the power reception coil, a resonant capacitor, and a magnetic member are arranged in a power reception coil unit forming the contactless power reception device, the power reception coil unit is attached to a member element serving as a frame member of the vehicle body, and a hollow portion corresponding region which is a portion of the power reception coil unit corresponding to the hollow portion of the power reception coil is in contact with the member element. ### Claim 2 (depends on 1) The vehicle-mounting structure for the contactless power reception device according to claim 1, wherein the member element is a suspension member connected to the vehicle body in a normal state and configured to be detachable from the vehicle body in response to input of a predefined impact load into the member element. ### Claim 3 (depends on 1) The vehicle-mounting structure for the contactless power reception device according to claim 1, wherein the magnetic member comprises a vehicle side magnetic member arranged on a vehicle side and a power transmission coil side magnetic member arranged on the power transmission coil side, and the power transmission coil side magnetic member is arranged in the hollow portion of the power reception coil. ### Claim 4 (depends on 1) The vehicle-mounting structure for the contactless power reception device according to claim 1, wherein an electronic part including the resonant capacitor is arranged behind and adjacent to the member element. ### Claim 5 (depends on 1) The vehicle-mounting structure for the contactless power reception device according to claim 1, wherein upper surfaces of the power reception coil unit are formed to have heights from a bottom surface such that a center portion in a front-rear direction of the vehicle body is lower than a forward portion and a rearward portion in the front-rear direction, the hollow portion corresponding region which is the portion of the power reception coil unit corresponding to the hollow portion of the power reception coil is located in the center portion, and the center portion in which the hollow portion corresponding region of the power reception coil unit is located is in contact with the member element.