US 11,951,869 B1Granted

Preserving battery energy during a prolonged period of vehicle inactivity

AssigneeRivian IP Holdings, LLC

InventorsNicolas Viglucci, Tae Hoon Park, Tyler Jennings Bennett, Mansi Tandon

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Abstract

The present solution preserves an amount of charge sufficient to reach a nearest or most convenient charger in a battery of a vehicle during a prolonged vehicle disuse. The solution can include a data processing system that can identify an inactive state of a battery and determine that the vehicle should enter an energy reservation mode. The data processing system can identify a vehicle charger and determine, based on a location of the vehicle and the charger, an amount of energy needed for the vehicle to reach the charging unit. The data processing system can determine a power reservation threshold for the first battery and modify, based on the power reservation threshold, a level of energy provided by the first battery to the second battery to maintain at least the first amount of amount of energy in the first battery.

Claims18

Dependent claims

A system, comprising:

a data processing system comprising one or more processors and memory to:
identify, responsive to a time duration for which a vehicle has been inactive, that an inactive state of a first battery of the vehicle has exceeded an inactivity threshold for the first battery, wherein the first battery is configured to deliver power to a motor of the vehicle to drive the vehicle and provide energy to a second battery of the vehicle;
based on the inactive state exceeding the inactivity threshold, determine that the vehicle should enter an energy reservation mode;
responsive to the determination that the vehicle should enter the energy reservation mode:
identify a vehicle charging unit proximate to the vehicle;
determine, based on a location of the vehicle and a location of the charging unit, a first amount of energy needed by the first battery for the vehicle to reach the charging unit;
based on the first amount of energy, determine a power reservation threshold for the first battery;
and
modify, based on the power reservation threshold, a level of energy provided by the first battery to the second battery to maintain at least the first amount of amount of energy in the first battery.

6 more elements

A method, comprising:

identifying, by a data processing system comprising one or more processors and memory responsive to a time duration for which a vehicle has been inactive, that an inactive state of a first battery of the vehicle has exceeded an inactivity threshold for the first battery, wherein the first battery is configured to deliver power to a motor of the vehicle to drive the vehicle and provide energy to a second battery of the vehicle;
determining, based on the inactive state exceeding the inactivity threshold, that the vehicle should enter the energy reservation mode;
identifying a vehicle charging unit proximate the vehicle responsive to the determination that the vehicle should enter the energy reservation mode;
determining, based on a location of the vehicle and a location of the charging unit, a first amount of energy needed by the first battery for the vehicle to reach the charging unit;
determining, based on the first amount of energy, a power reservation threshold for the first battery;
and
determining, by the data processing system based on the first amount of energy, a power reservation threshold for the first battery;
and
modifying, based on the power reservation threshold, a level of energy provided by the first battery to the second battery to maintain at least the first amount of amount of energy in the first battery.

6 more elements

Dependencies are inferred from the claim text.