# US 11,305,657 B2 · Electric propulsion vehicle charging cable and power adapter attached to electric propulsion vehicle charging cable > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,305,657 B2 - Document ID: US11305657B2 - Status: Granted - Kind: B2 - Application number: 16/886,110 - Filed: 2020-05-28 - Published: 2020-10-08 - Granted: 2022-04-19 - Earliest claimed: 2017-11-30 - Assignees: Panasonic Corporation; Nissan Motor Co., Ltd. - Applicants: Panasonic Corporation; Nissan Motor Co., Ltd. - Inventors: Naruaki Akai; Kouichi Motooka - Web page: https://patentgrep.com/patent/US11305657B2 ## CPC - B60L 53/16: Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles - B60L 3/00: Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption (methods or circuit arrangements for monitoring or controlling batteries or fuel cells B60L58/00) - B60L 53/18: Cables specially adapted for charging electric vehicles - B60L 53/62: in response to charging parameters, e.g. current, voltage or electrical charge - H01M 10/46: Accumulators structurally combined with charging apparatus (circuits for charging H02J7/00) - H01R 31/06: Intermediate parts for linking two coupling parts, e.g. adapter (with a holder adapted for supporting apparatus to which its counterpart is attached H01R33/94) - H02J 7/00: Circuit arrangements for charging or discharging batteries or for supplying loads from batteries - H01R 13/6683: {with built-in sensor} - H01R 13/7135: {with ground fault protector (H01R13/7132 takes precedence)} - H01R 2103/00: Two poles - H01R 2105/00: Three poles - H01R 2201/26: for vehicles - Y02E 60/10: Energy storage using batteries - 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 - 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 - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract To provide the electric propulsion vehicle charging cable compatible with power sources of different standards, and the power adapter attached to an electric propulsion vehicle charging cable, the power plug of the electric propulsion vehicle charging cable includes has an electrode structure including three high-voltage electrodes and a high-voltage ground pin, the electric propulsion vehicle charging cable used for charging a battery of the electric propulsion vehicle by using two of the three high-voltage electrodes, and the power adapter has electrode receptacles to which the three high-voltage electrodes and the high-voltage ground pin are connected and connection terminals having an electrode structure corresponding to a power source of a different standard from the electrode structure of the power plug. ## Claims ### Claim 1 An electric propulsion vehicle charging cable having one end provided with a power plug connected to a power source of a charging facility and the other end provided with a charging coupler detachably connected via a controller to an electric propulsion vehicle, wherein the power plug has an electrode structure including three high-voltage electrodes and a high-voltage ground pin, the electric propulsion vehicle charging cable used for charging a battery of the electric propulsion vehicle by using two of the three high-voltage electrodes, wherein the electric propulsion vehicle charging cable has a power adapter including electrode receptacles to which the three high-voltage electrodes and the high-voltage ground pin are connected and connection terminals having an electrode structure corresponding to a power source of a different standard from the electrode structure of the power plug, wherein the connection terminals of the power adapter have an electrode structure including two low-voltage electrodes and a low-voltage ground pin of a different standard from the electrode structure of the power plug, and wherein in the power adapter, the electrode receptacle to be connected to one high-voltage electrode not used as a charging electrode among the three high-voltage electrodes of the power plug and the electrode receptacle to be connected to the high-voltage ground pin are electrically connected to each other. ### Claim 2 (depends on 1) The electric propulsion vehicle charging cable according to claim 1, wherein the two low-voltage electrodes are respectively electrically connected to two electrode receptacles respectively connected to the two high-voltage electrodes used as charging electrodes among the three high-voltage electrodes of the power plug. ### Claim 3 (depends on 2) The electric propulsion vehicle charging cable according to claim 2, wherein the power adapter includes four electrode holes into which the three high-voltage electrodes and the high-voltage ground pin of the power plug are inserted and led to respective electrode receptacles, wherein the four electrode holes are symmetrically arranged on a contact surface for the power plug, and wherein among the four electrode holes, the electrode hole leading to the electrode receptacle to be connected to the one high-voltage electrode not used as the charging electrode has substantially the same shape as the electrode hole leading to the electrode receptacle to be connected to the high-voltage ground pin. ### Claim 4 (depends on 3) The electric propulsion vehicle charging cable according to claim 3, wherein the power adapter is configured to be attached to the power plug at positions rotated by 180 degrees from each other with respect to a center of arrangement of the four electrode holes on the contact surface for the power plug. ### Claim 5 (depends on 3) The electric propulsion vehicle charging cable according to claim 3, wherein in the power adapter, the electrode hole leading to the electrode receptacle to be connected to the one high-voltage electrode not used as the charging electrode and the electrode hole leading to the electrode receptacle to be connected to the high-voltage ground pin are arranged on an arrangement center line included on the contact surface, and wherein the two electrode holes leading to the electrode receptacles respectively connected to the two high-voltage electrodes used as the charging electrodes are symmetrically arranged on both sides of the arrangement center line. ### Claim 6 (depends on 1) The electric propulsion vehicle charging cable according to claim 1, wherein the power adapter includes a lock engaging with the attached power plug. ### Claim 7 (depends on 2) The electric propulsion vehicle charging cable according claim 2, wherein the power adapter includes a lock engaging with the attached power plug. ### Claim 8 (depends on 3) The electric propulsion vehicle charging cable according to claim 3, wherein the power adapter includes a lock engaging with the attached power plug. ### Claim 9 (depends on 4) The electric propulsion vehicle charging cable according to claim 4, wherein the power adapter includes a lock engaging with the attached power plug. ### Claim 10 (depends on 5) The electric propulsion vehicle charging cable according to claim 5, wherein the power adapter includes a lock engaging with the attached power plug. ### Claim 11 A power adapter attached to an electric propulsion vehicle charging cable having one end provided with a power plug connected to a power source of a charging facility and the other end provided with a charging coupler detachably connected via a controller to an electric propulsion vehicle, wherein the power plug has an electrode structure including three high-voltage electrodes and a high-voltage ground pin, the electric propulsion vehicle charging cable used for charging a battery of the electric propulsion vehicle by using two of the three high-voltage electrodes, wherein the power adapter includes electrode receptacles to which the three high-voltage electrodes and the high-voltage ground pin are connected and connection terminals having an electrode structure corresponding to a power source of a different standard from the electrode structure of the power plug, wherein the connection terminals of the power adapter have an electrode structure including two low-voltage electrodes and a low-voltage ground pin of a different standard from the electrode structure of the power plug, and wherein the electrode receptacle to be connected to one high-voltage electrode not used as a charging electrode among the three high-voltage electrodes of the power plug and the electrode receptacle to be connected to the high-voltage ground pin are electrically connected to each other. ### Claim 12 (depends on 11) The power adaptor according to claim 11, wherein the two low-voltage electrodes are respectively electrically connected to two electrode receptacles respectively connected to the two high-voltage electrodes used as charging electrodes among the three high-voltage electrodes of the power plug. ### Claim 13 (depends on 12) The power adaptor according to claim 12, wherein the power adapter includes four electrode holes into which the three high-voltage electrodes and the high-voltage ground pin of the power plug are inserted and led to respective electrode receptacles, wherein the four electrode holes are symmetrically arranged on a contact surface for the power plug, and wherein among the four electrode holes, the electrode hole leading to the electrode receptacle to be connected to the one high-voltage electrode not used as the charging electrode has substantially the same shape as the electrode hole leading to the electrode receptacle to be connected to the high-voltage ground pin. ### Claim 14 (depends on 13) The power adaptor according to claim 13, wherein the power adapter is configured to be attached to the power plug at positions rotated by 180 degrees from each other with respect to a center of arrangement of the four electrode holes on the contact surface for the power plug. ### Claim 15 (depends on 14) The power adaptor according to claim 14, wherein the electrode hole leading to the electrode receptacle to be connected to the one high-voltage electrode not used as the charging electrode and the electrode hole leading to the electrode receptacle to be connected to the high-voltage ground pin are arranged on an arrangement center line included on the contact surface, and wherein the two electrode holes leading to the electrode receptacles respectively connected to the two high-voltage electrodes used as the charging electrodes are symmetrically arranged on both sides of the arrangement center line. ### Claim 16 (depends on 11) The power adaptor according to claim 11, wherein the power adapter includes a lock engaging with the attached power plug. ### Claim 17 (depends on 12) The power adaptor according to claim 12, wherein the power adapter includes a lock engaging with the attached power plug. ### Claim 18 (depends on 13) The power adaptor according to claim 13, wherein the power adapter includes a lock engaging with the attached power plug. ### Claim 19 (depends on 14) The power adaptor according to claim 14, wherein the power adapter includes a lock engaging with the attached power plug. ### Claim 20 (depends on 15) The power adaptor according to claim 15, wherein the power adapter includes a lock engaging with the attached power plug.