# US 12,005,793 B2 · Vehicle pass-through charging > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,005,793 B2 - Document ID: US12005793B2 - Status: Granted - Kind: B2 - Application number: 17/559,059 - Filed: 2021-12-22 - Published: 2023-06-22 - Granted: 2024-06-11 - Earliest claimed: 2021-12-22 - Assignees: Rivian IP Holdings, LLC - Applicants: Rivian IP Holdings, LLC - Inventors: Tyler Erikson; Kyle Underhill; Tyler Jennings Bennett; Trent Warnke - Web page: https://patentgrep.com/patent/US12005793B2 ## CPC - B60L 53/16: Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles - B60L 53/53: Batteries - B60L 50/60: using power supplied by batteries (in combination with fuel cells B60L50/75) - B60L 53/11: {DC charging controlled by the charging station, e.g. mode 4} - B60L 53/14: Conductive energy transfer - B60L 53/62: in response to charging parameters, e.g. current, voltage or electrical charge - B60L 55/00: Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements - 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 90/14: Plug-in 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 Disclosed embodiments include systems, vehicles, and methods to switchably provide electric power to a battery system and an external system, such as another battery system, from a single charging system or other source of electric power. In an illustrative embodiment, a charging input coupling couplable to an electric power source; a charging output coupling; a battery system coupling couplable to a rechargeable battery system; and an electric switching device electrically couplable to the charging input coupling, the charging output coupling, and the battery system coupling, and configured to selectively operate in an operating mode including at least one of a first mode and a second mode, wherein: in the first mode, the electric switching device directs the electric power to a the battery system coupling, and in the second mode, the electric switching device directs the electric power to the charging output coupling. ## Claims ### Claim 1 A system comprising: a charging input coupling couplable to an electric power source; a charging output coupling; a battery system coupling couplable to a rechargeable battery system; and an electric switching device electrically couplable to the charging input coupling, the charging output coupling, and the battery system coupling, and configured to selectively operate in an operating mode including at least one of a first mode and a second mode, wherein: in the first mode, the electric switching device directs the electric power to the battery system coupling, and in the second mode, the electric switching device directs the electric power to the charging output coupling. ### Claim 2 (depends on 1) The system of claim 1, wherein the electric switching device is configured to detect a first power demand signal indicative of a request for power from the rechargeable battery system at the battery system coupling and a second power demand signal indicative of a request for power from an external device at the charging output coupling. ### Claim 3 (depends on 2) The system of claim 2, wherein the electric switching device is configured to operate in the first mode in response to detecting the first power demand signal and operate in the second mode in response to detecting the second power demand signal. ### Claim 4 (depends on 3) The system of claim 3, wherein, responsive to detecting both the first power demand signal and the second power demand signal, the electric switching device is configured to select the operating mode in a sequence chosen from a first sequence and a second sequence wherein: in the first sequence, the electric switching device operates initially in the first mode, and then the second mode; and in the second sequence, the electric switching device operates initially in the second mode, and then the first mode. ### Claim 5 (depends on 1) The system of claim 1, wherein the rechargeable battery system includes a vehicle battery system of a first vehicle and the charging output coupling is configured to be coupled to a second vehicle. ### Claim 6 (depends on 5) The system of claim 5, wherein the charging input coupling is configured to receive the electric power from a vehicle charging system configured to charge a single vehicle battery system at one time. ### Claim 7 (depends on 2) The system of claim 2, wherein: in response to detecting the first power demand signal, the electric switching device is configured to convey the first power demand signal from the battery system coupling to the charging input coupling; and in response to detecting the second power demand signal, the electric switching device is configured to convey the second power demand signal from the charging output coupling to the charging input coupling. ### Claim 8 (depends on 1) The system of claim 1, wherein the charging input coupling and charging output coupling each includes a Combined Charging System (CCS) coupling. ### Claim 9 A vehicle comprising: a vehicle body; a drive system; a rechargeable battery system; a charging input coupling configured to receive electric power; a charging output coupling; a battery system coupling couplable to the rechargeable battery system; and an electric switching device electrically couplable to the charging input coupling, the charging output coupling, and the battery system coupling, and configured to selectively operate in an operating mode including at least one of a first mode and a second mode, wherein: in the first mode, the electric switching device directs the electric power to the battery system coupling, and in the second mode, the electric switching device directs the electric power to the charging output coupling. ### Claim 10 (depends on 9) The vehicle of claim 9, wherein the electric switching device is configured to detect a first power demand signal indicative of a request for power from the rechargeable battery system at the battery system coupling and a second power demand signal indicative of a request for power from an external device at the charging output coupling. ### Claim 11 (depends on 10) The vehicle of claim 10, wherein the electric switching device is configured to operate in the first mode in response to detecting the first power demand signal and operate in the second mode in response to detecting the second power demand signal. ### Claim 12 (depends on 10) The vehicle of claim 10, wherein, responsive to detecting both the first power demand signal and the second power demand signal, the electric switching device is configured to select the operating mode in a sequence chosen from a first sequence and a second sequence wherein: in the first sequence, the electric switching device operates initially in the first mode, and then the second mode; and in the second sequence, the electric switching device operates initially in the second mode, and then the first mode. ### Claim 13 (depends on 12) The vehicle of claim 12, wherein the charging input coupling is configured to receive the electric power from a vehicle charging system configured to charge a single vehicle battery system at one time. ### Claim 14 (depends on 9) The vehicle of claim 9, wherein the charging input coupling and charging output coupling each includes a Combined Charging System (CCS) coupling. ### Claim 15 A method comprising: providing a charging input coupling configured to receive electric power; providing a charging output coupling configured to provide the electric power to an external device; providing a battery system coupling couplable to a rechargeable battery system; and switchably coupling the charging input coupling to the battery system coupling and the charging output coupling to selectively operate in a first mode and a second mode wherein: in the first mode, directing the electric power to the battery system coupling, and in the second mode, directing the electric power to the charging output coupling. ### Claim 16 (depends on 15) The method of claim 15, further comprising detecting a first power demand signal indicative of a request for power from the rechargeable battery system at the battery system coupling and detecting a second power demand signal indicative of a request for power from an external device at the charging output coupling. ### Claim 17 (depends on 16) The method of claim 16, further comprising operating in the first mode in response to detecting the first power demand signal and operating in the second mode in response to detecting the second power demand signal. ### Claim 18 (depends on 17) The method of claim 17, further comprising, responsive to detecting both the first power demand signal and the second power demand signal, selecting the operating mode in a sequence chosen from a first sequence and a second sequence wherein: in the first sequence, operating initially in the first mode, and then the second mode; and in the second sequence, operating initially in the second mode, and then the first mode. ### Claim 19 (depends on 16) The method of claim 16, further comprising selectively directing the electric power from a single source of electric power to the battery system coupling and the charging output coupling. ### Claim 20 (depends on 16) The method of claim 16, further comprising: in response to detecting the first power demand signal, conveying the first power demand signal from the battery system coupling to the charging input coupling; and in response to detecting the second power demand signal, conveying the second power demand signal from the charging output coupling to the charging input coupling.