# US 12,767,118 B2 · Hybrid electric vehicle, control method for hybrid electric vehicle, power supply mode setting system, and power supply mode setting method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,767,118 B2 - Document ID: US12767118B2 - Status: Granted - Kind: B2 - Application number: 19/002,317 - Filed: 2024-12-26 - Published: 2025-07-03 - Granted: 2026-10-20 - Earliest claimed: 2023-12-29 - Assignees: Toyota Jidosha Kabushiki Kaisha - Applicants: Toyota Jidosha Kabushiki Kaisha - Inventors: Yoshimitsu Takahashi; Takahiro Ariie - Web page: https://patentgrep.com/patent/US12767118B2 ## CPC - B60W 20/17: for noise reduction - B60W 10/06: including control of combustion engines - B60W 10/30: including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps - B60W 50/14: Means for informing the driver, warning the driver or prompting a driver intervention - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT ## Abstract A hybrid electric vehicle includes engine configured to output power using fuel from a fuel tank, a generator configured to generate power using a power from the engine, a power storage device connected to a power line together with the generator; and a controller. When a user desires external power supply, in which power is supplied from the vehicle to outside of the vehicle, the controller presents the user with multiple power supply modes that have different power supply characteristics, and when the user selects one of the multiple power supply modes, the controller performs the external power supply in the power supply mode selected by the user. ## Claims ### Claim 1 A hybrid electric vehicle comprising: an engine configured to output power using fuel from a fuel tank; a generator configured to generate power using a power from the engine; a power storage device connected to a power line together with the generator; and a controller, wherein when a user desires external power supply, in which power is supplied from the vehicle to outside of the vehicle, the controller is programmed to present the user with multiple power supply modes that have different power supply characteristics, and when the user selects one of the multiple power supply modes, the controller is programmed to set a target power and set a target rotational speed of the engine based on the power supply mode selected by the user, and start control of the external power supply using the set target power and the set target rotational speed in the power supply mode selected by the user. ### Claim 2 (depends on 1) The hybrid electric vehicle according to claim 1, wherein the multiple power supply modes include, as a predetermined power supply mode for operating the engine and generating power with the generator, at least two of a first power supply mode that prioritizes noise suppression, a second power supply mode that prioritizes power supply performance, and a third power supply mode that prioritizes fuel efficiency. ### Claim 3 (depends on 2) The hybrid electric vehicle according to claim 2, wherein the predetermined power supply mode is a mode for operating the engine and generating power with the generator when a state of charge of the power storage device is less than a predetermined ratio during the external power supply. ### Claim 4 (depends on 1) The hybrid electric vehicle according to claim 1, wherein the controller presents the user with the multiple power supply modes, including a recommended power supply mode based on a current environment. ### Claim 5 (depends on 4) The hybrid electric vehicle according to claim 4, wherein the controller presents the recommended power supply mode and other power supply modes to the user in a manner that differs from each other. ### Claim 6 (depends on 4) The hybrid electric vehicle according to claim 4, wherein the multiple power supply modes include, as a predetermined power supply mode for operating the engine and generating power with the generator when a state of charge of the power storage device is less than a predetermined ratio during the external power supply, a first power supply mode that prioritizes noise suppression, a second power supply mode that prioritizes power supply performance, and a third power supply mode that prioritizes fuel efficiency, the controller sets the recommended power supply mode to the first power supply mode when a current time is within a predetermined time period, the controller sets the recommended power supply mode to the second power supply mode when the current time is not within the predetermined time period and a fuel amount in the fuel tank is greater than or equal to a predetermined amount, and the controller sets the recommended power supply mode to the third power supply mode when the current time is not within the predetermined time period and the fuel amount is less than the predetermined amount. ### Claim 7 (depends on 6) The hybrid electric vehicle according to claim 6, wherein the controller sets the recommended power supply mode to the first power supply mode when the current time is within the predetermined time period and when a vehicle's current location is within a residential area, the controller sets the recommended power supply mode to the second or third power supply mode based on the fuel amount when the current time is within the predetermined time period and when the vehicle's current location is outside the residential area. ### Claim 8 (depends on 2) The hybrid electric vehicle according to claim 2, wherein the first power supply mode is a mode for operating the engine to output a first power, the second power supply mode is a mode for operating the engine to output a second power greater than the first power, and the third power supply mode is a mode for operating the engine at a more efficient operating point compared to the first and second power supply modes. ### Claim 9 (depends on 7) The hybrid electric vehicle according to claim 7, wherein the first power supply mode is a mode for operating the engine to output a first power, the second power supply mode is a mode for operating the engine to output a second power greater than the first power, and the third power supply mode is a mode for operating the engine at a more efficient operating point compared to the first and second power supply modes. ### Claim 10 A control method for a hybrid electric vehicle comprising: an engine configured to output power using fuel from a fuel tank; a generator configured to generate power using the power from the engine; and a power storage device connected to a power line together with the generator, the control method comprising: when a user desires external power supply, in which power is supplied from the vehicle to outside of the vehicle, presenting the user with multiple power supply modes that have different power supply characteristics, and when the user selects one of the multiple power supply modes, setting a target power and setting a target rotational speed of the engine based on the power supply mode selected by the user, and starting control of the external power supply using the set target power and the set target rotational speed in the power supply mode selected by the user. ### Claim 11 A power supply mode setting system for a hybrid electric vehicle comprising: an engine configured to output power using fuel from a fuel tank; a generator configured to generate power using the power from the engine; a power storage device connected to a power line together with the generator; and a controller, and the power supply mode setting system being used to set a power supply mode when a user desires external power supply, in which power is supplied from the vehicle to outside of the vehicle, wherein the power supply mode setting system is programmed to present the user with multiple power supply modes that have different power supply characteristics, and when the user selects one of the multiple power supply modes, the power supply mode setting system is programmed to cause the vehicle to set a target power and set a target rotational speed of the engine based on the power supply mode selected by the user, and start control of the external power supply using the set target power and the set target rotational speed in the power supply mode selected by the user. ### Claim 12 A power supply mode setting method for a hybrid electric vehicle comprising: an engine configured to output power using fuel from a fuel tank; a generator configured to generate power using the power from the engine; a power storage device connected to a power line together with the generator; and a controller, and the power supply mode setting method being used to set a power supply mode when a user desires external power supply, in which power is supplied from the vehicle to outside of the vehicle, the power supply mode setting method comprising: presenting the user with multiple power supply modes that have different power supply characteristics, and when the user selects one of the multiple power supply modes, causing the vehicle to set a target power and set a target rotational speed of the engine based on the power supply mode selected by the user, and start control of the external power supply using the set target power and the set target rotational speed in the power supply mode selected by the user. ### Claim 13 (depends on 1) The hybrid electric vehicle according to claim 1, wherein the controller is programmed to set the target power to a predetermined power and set the target rotational speed to a predetermined rotational speed, the predetermined power being defined as a power that is lower than any power at multiple intersection points between an operating line and a boundary line of a muffled sound area. ### Claim 14 (depends on 13) The hybrid electric vehicle according to claim 13, wherein the predetermined rotational speed is defined as a rotational speed at an intersection point between a constant power line of the predetermined power and the operating line.