Hybrid electric vehicle

Patent metadata

Field	Value
Publication number	US-12441298-B2
Application number	US-202217818474-A
Country	US
Kind code	B2
Filing date	Aug 9, 2022
Priority date	Sep 13, 2021
Publication date	Oct 14, 2025
Grant date	Oct 14, 2025

Abstract

A communication device acquires schedule information in which a schedule of a user who uses a hybrid electric vehicle is recorded. The schedule information includes a traveling schedule for causing the hybrid electric vehicle to travel in a predetermined period. The predetermined period is a period from when fuel of an engine is refueled to a predetermined deterioration time. When a traveling distance in a long-distance traveling schedule is a first distance, an ECU increases a usage ratio of the engine in the predetermined period than when the traveling distance is a second distance that is longer than the first distance. The long-distance traveling schedule is a schedule included in the traveling schedule and in which the hybrid electric vehicle travels for a predetermined distance or longer.

First claim

What is claimed is:

1. A hybrid electric vehicle comprising:
an engine;
a motor configured to generate driving force;
a power storage device configured to supply electric power to the motor;
a control device configured to control the motor and the engine;
an acquisition unit configured to acquire schedule information in which a schedule of a user who uses the hybrid electric vehicle is recorded; and
a non-contact power receiving device that is able to receive electric power from power supply equipment outside a vehicle and that is able to receive electric power in a non-contact manner, wherein
the schedule information includes a traveling schedule, the hybrid electric vehicle travelling in a predetermined period according to the traveling schedule,
the predetermined period is a period from when fuel of the engine is refueled to a deterioration time, wherein the deterioration time is the time when the quality of the fuel has deteriorated due to aged deterioration,
when a traveling distance in a long-distance traveling schedule is a first distance, the control device increases a usage ratio of the engine relative to usage of the motor in the predetermined period than when the traveling distance is a second distance that is longer than the first distance,
the long-distance traveling schedule is a schedule included in the traveling schedule and in which the hybrid electric vehicle travels for a predetermined distance or longer,
the control device is configured to
set the hybrid electric vehicle to either a charge depleting mode or a charge sustaining mode,
perform promotion control in the predetermined period when the traveling distance in the long-distance traveling schedule is the first distance as compared with when the traveling distance is the second distance, the promotion control being a control in which the usage ratio of the engine is increased and a ratio of controlling to the charge sustaining mode is increased relative to normal control,
be rechargeable by the electric power received by the non-contact power receiving device, and
restrict charging from the power supply equipment when the promotion control is performed; and
in a case where the non-contact power receiving device receives electric power from the power supply equipment arranged on a traveling path while the hybrid electric vehicle is traveling, when the promotion control is being executed, the control device is configured to prohibit non-contact external charging in order to restrict an upper limit value of a state of charge (SOC) of the power storage device during the promotion control.

2. The hybrid electric vehicle according to claim 1 , wherein when the schedule information includes information about a location, the control device is configured to acquire the traveling distance based on the information about the location.

3. The hybrid electric vehicle according to claim 2 wherein the control device is configured to determine whether a schedule corresponds to the traveling schedule based on a keyword included in the schedule information.

4. The hybrid electric vehicle according to claim 1 , wherein when the schedule information includes information about a location, the control device is configured to acquire the traveling distance based on the information about the location and determine whether a schedule corresponds to the traveling schedule based on the traveling distance.

5. The hybrid electric vehicle according to claim 1 , wherein the control device is configured to
switch from the charge depleting mode to the charge sustaining mode when a state of charge of the power storage device drops to a predetermined threshold value,
determine whether a remaining amount of fuel becomes equal to or less than a predetermined amount indicating a decrease in the fuel by the deterioration time based on the traveling distance in the charge sustaining mode in the long-distance traveling schedule, and
perform the promotion control in which the predetermined threshold value is increased in the predetermined period when the control device determines that the remaining amount does not become equal to or less than the predetermined amount.

6. The hybrid electric vehicle according to claim 5 , wherein:
the predetermined threshold value includes a first threshold value, a second threshold value larger than the first threshold value, and a third threshold value larger than the second threshold value; and
the control device is configured to
use the first threshold value in the predetermined period when the promotion control is not performed, and
use the second threshold value in a first period in the predetermined period and uses the third threshold value in a second period later than the first period in the predetermined period when the promotion control is performed.

7. The hybrid electric vehicle according to claim 5 , wherein:
the predetermined threshold value includes a first threshold value, a second threshold value larger than the first threshold value, and a third threshold value larger than the second threshold value; and
the control device is configured to
use the first threshold value in the predetermined period when the promotion control is not performed, and
use the second threshold value when the remaining amount is a first amount and uses the third threshold value when the remaining amount is a second amount smaller than the first amount in a case where the promotion control is performed.

8. The hybrid electric vehicle according to claim 5 , wherein the deterioration time is a year.

Assignees

• Toyota Motor Co Ltd

Inventors

• Matsumori Hiroshi
• Sakayanagi Yoshihiro
• Handa Manabu
• Sugiyama Midori
• Saito Hirotaka
• Takahashi Yuki

Classifications

• B60W40/09

  Driving style or behaviour · CPC title

• B60W2530/211

  Fuel quality, e.g. water content due to age of fuel · CPC title

• B60W10/06

  including control of combustion engines · CPC title

• B60W10/08

  including control of electric propulsion units, e.g. motors or generators · CPC title

• B60W2510/244

  Charge state · CPC title