# US 10,308,126 B2 · Charging apparatus and control method for charging apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,308,126 B2 - Document ID: US10308126B2 - Status: Granted - Kind: B2 - Application number: 15/677,094 - Filed: 2017-08-15 - Published: 2018-03-15 - Granted: 2019-06-04 - Earliest claimed: 2016-09-14 - Assignees: Toyota Jidosha Kabushiki Kaisha - Applicants: Toyota Jidosha Kabushiki Kaisha - Inventors: Tomokazu Masuda - Web page: https://patentgrep.com/patent/US10308126B2 ## CPC - B60L 53/14: Conductive energy transfer - B60L 53/60: Monitoring or controlling charging stations - 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 90/16: Information or communication technologies improving the operation of electric vehicles - 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 - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract In a case where a connector of a power supply facility is connected to an inlet, an ECU is configured to control a potential of a pilot signal so as to request power supply to the power supply facility and to permit execution of external charging. Further, in a case where the ECU detects a feeding voltage from the power supply facility without requesting the power supply to the power supply facility, when it is detected that the feeding voltage is not output from the power supply facility in a state where the connector is connected to the inlet, the ECU permits the external charging. ## Claims ### Claim 1 A charging apparatus for charging a power storage device provided in a vehicle upon receipt of an electric power supplied through a charger cable from a power supply facility provided outside the vehicle, the charging apparatus comprising: an inlet configured to be connectable to a connector provided in the charger cable; and an electronic control unit configured to control a potential of a pilot signal received through the charger cable from the power supply facility when the connector is connected to the inlet, so as to request power supply to the power supply facility and to permit charging of the power storage device, wherein when the electronic control unit detects an output start of a feeding voltage of the electric power from the power supply facility without requesting the power supply to the power supply facility and the electronic control unit detects that the feeding voltage of the electric power from the power supply facility is not output in a state where the connector is connected to the inlet, the electronic control unit is configured to permit the charging of the power storage device. ### Claim 2 (depends on 1) The charging apparatus according to claim 1, wherein: when the electronic control unit detects the output start of the feeding voltage of the electric power from the power supply facility without requesting the power supply to the power supply facility and the electronic control unit does not detect that the feeding voltage of the electric power is not output from the power supply facility in the state where the connector is connected to the inlet, the electronic control unit is configured to prohibit the charging of the power storage device. ### Claim 3 (depends on 1) The charging apparatus according to claim 1, wherein when the electronic control unit detects the output start of the feeding voltage of the electric power from the power supply facility without requesting the power supply to the power supply facility, the electronic control unit is configured to control the potential of the pilot signal such that a power supply stop is requested to the power supply facility, and when the output of the feeding voltage of the electric power from the power supply facility is stopped in response to the request of the power supply stop, the electronic control unit is configured to permit the charging of the power storage device. ### Claim 4 (depends on 1) The charging apparatus according to claim 1, wherein when the feeding voltage of the electric power is not output from the power supply facility in the state where the connector is connected to the inlet, the electronic control unit is configured to leave a history indicating that the feeding voltage of the electric power is not output from the power supply facility, and when the electronic control unit detects that the output start of the feeding voltage of the electric power from the power supply facility without requesting the power supply to the power supply facility and the history exists, the electronic control unit is configured to permit the charging of the power storage device. ### Claim 5 A control method for a charging apparatus for charging a power storage device provided in a vehicle upon receipt of an electric power supplied through a charger cable from a power supply facility provided outside the vehicle, the charging apparatus including an inlet configured to be connectable to a connector provided in the charger cable, and an electronic control unit, the control method comprising: requesting power supply to the power supply facility and permitting charging of the power storage device by the electronic control unit by controlling a potential of a pilot signal received through the charger cable from the power supply facility when the connector is connected to the inlet; and permitting the charging of the power storage device by the electronic control unit when an output start of a feeding voltage of the electric power from the power supply facility is detected without requesting the power supply to the power supply facility and the electronic control unit detects that the feeding voltage of the electric power from the power supply facility is not output in a state where the connector is connected to the inlet.