# US 9,751,421 B2 · Charging system for vehicle, method for charging vehicle, power supply system, and power supply method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,751,421 B2 - Document ID: US9751421B2 - Status: Granted - Kind: B2 - Application number: 14/342,616 - Filed: 2011-09-08 - Published: 2014-08-07 - Granted: 2017-09-05 - Earliest claimed: 2011-09-08 - Assignees: Toyota Jidosha Kabushiki Kaisha - Applicants: Shigeki Kinomura; Shinji Ichikawa; Daisuke Ishii - Inventors: Shigeki Kinomura; Shinji Ichikawa; Daisuke Ishii - Web page: https://patentgrep.com/patent/US9751421B2 ## CPC - B60L 53/14: Conductive energy transfer - B60L 53/11: {DC charging controlled by the charging station, e.g. mode 4} - B60L 53/51: Photovoltaic means - B60L 58/12: responding to state of charge [SoC] - H02J 3/322: {the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging} - H02J 7/04: Regulation of charging current or voltage - H02J 7/35: with light sensitive cells - H02J 7/947: {in response to integrated charge or discharge current} - B60L 2240/545: Temperature - H02J 2105/37: exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV] - H02J 2207/40: adapted for charging from various sources, e.g. AC, DC or multivoltage - Y02B 70/3225: Demand response systems, e.g. load shedding, peak shaving - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 90/12: Electric charging stations - Y02T 90/14: Plug-in electric vehicles - Y02T 90/167: Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV] - Y04S 20/222: Demand response systems, e.g. load shedding, peak shaving - Y04S 30/12: Remote or cooperative charging - 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 - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION - Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS ## Abstract A vehicle includes a first inlet to be connected to a commercial power source, a second inlet to be connected to a battery of an HEMS (Home Energy Management System) which supplies electric power greater than electric power supplied by the commercial power source, and an ECU. The ECU indicates one of the first inlet and the second inlet to a user in accordance with a state of a battery of the vehicle. ## Claims ### Claim 1 A charging system for a vehicle equipped with a power storage device and provided with an outlet drawing electric power from said power storage device and supplying the electric power drawn from said power storage device to an electronic apparatus outside the vehicle, a power cord of the electronic apparatus being detachable from the outlet, the power storage device being mounted on the vehicle, the system comprising: a charging device configured to charge said power storage device in one of a first charging mode and a second charging mode such that electric power supplied in said second charging mode is greater than electric power supplied in said first charging mode; and an indicating device configured to indicate a selection of said first charging mode to a user when the power cord of the electronic apparatus outside the vehicle is connected to said outlet. ### Claim 2 (depends on 1) The charging system for the vehicle according to claim 1, wherein: in said first charging mode, said charging device is configured to charge said power storage device by electric power supplied from a first power source, and in said second charging mode, said charging device is configured to charge said power storage device by electric power supplied from a second power source that is different from said first power source. ### Claim 3 (depends on 2) The charging system for the vehicle according to claim 2, further comprising: a first connection portion to be connected to said first power source; and a second connection portion to be connected to said second power source, wherein, when the power cord of said electronic apparatus is connected to said outlet, said indicating device indicates said first connection portion to the user. ### Claim 4 (depends on 2) The charging system for the vehicle according to claim 2, wherein: said first power source is a commercial power source, and said second power source is a power storage device arranged outside said vehicle. ### Claim 5 (depends on 1) The charging system for the vehicle according to claim 1, wherein the indicating device indicating the selection of the first charging mode to the user when the power cord is connected to the outlet includes where the indicating device instructs the user to use the first charging mode instead of the second charging mode. ### Claim 6 A method for charging a vehicle equipped with a power storage device and provided with an outlet drawing electric power from said power storage device and supplying the electric power drawn from the power storage device to an electronic apparatus outside the vehicle, a power cord of the electronic apparatus being detachable from the outlet, the power storage device being mounted on the vehicle, the method comprising the steps of: determining a state of said power storage device; and indicating one of a first charging mode and a second charging mode to a user such that electric power supplied in said second charging mode is greater than electric power supplied in said first charging mode and a selection of said first charging mode is indicated when the power cord of the electronic apparatus outside the vehicle is connected to said outlet. ### Claim 7 (depends on 6) The method according to claim 6, wherein indicating the selection of the first charging mode to the user when the power cord is connected to the outlet includes instructing the user to use the first charging mode instead of the second charging mode.