# US 12,009,672 B2 · Devices for the contactless inductive charging of an electrical energy store > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,009,672 B2 - Document ID: US12009672B2 - Status: Granted - Kind: B2 - Application number: 17/252,173 - Filed: 2019-06-24 - Published: 2021-09-02 - Granted: 2024-06-11 - Earliest claimed: 2018-06-29 - Assignees: BRUSA Elektronik AG - Applicants: BRUSA Elektronik AG - Inventors: Lukas Böhler; Marc Hanselmann; Martin Hamilton - Web page: https://patentgrep.com/patent/US12009672B2 ## CPC - H02J 50/005: {Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices} - B60L 53/12: Inductive energy transfer - B60L 53/66: Data transfer between charging stations and vehicles - H01F 27/2871: {Pancake coils} - H01F 27/36: Electric or magnetic shields or screens (movable for varying inductance H01F21/10) - H01F 27/363: {made of electrically conductive material} - H02J 7/02: for charging batteries from AC mains by converters - H02J 50/10: using inductive coupling - H01F 27/24: Magnetic cores - H01F 38/14: Inductive couplings - H01F 2038/143: {for signals} - H02J 50/70: involving the reduction of electric, magnetic or electromagnetic leakage fields - H02J 50/80: involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices - H02J 50/90: involving detection or optimisation of position, e.g. alignment - 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 - Y02T 90/16: Information or communication technologies improving the operation of electric vehicles - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - 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 - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A module for contactless inductive energy transfer, including a coil that includes a magnetic core to emit or receive electrical energy using inductive coupling, wherein the magnetic core includes a hole that forms a communication channel, and a wireless communication device that includes an antenna, the antenna installed in a region of the hole and configured to transmit and receive signals via the communication channel, wherein an opposite pole of the antenna is designed as a shield that is configured to shield electronics from a magnetic file generated by the electrical energy emitted or received by the coil via the inductive coupling. ## Claims ### Claim 1 A module for contactless inductive energy transfer, the module comprising: a coil including a magnetic core to emit or receive electrical energy using inductive coupling, the magnetic core including a hole that forms a communication channel; and a wireless communication device including an antenna, the antenna installed in a region of the hole and configured to transmit and receive signals via the communication, channel formed in the magnetic core, wherein an opposite pole of the antenna is designed as a shield configured to shield electronics from a magnetic field generated b the electrical energy emitted or received by the coil via the inductive coupling. ### Claim 2 (depends on 1) The module according to claim 1, wherein the magnetic core consists of a ferromagnetic material. ### Claim 3 (depends on 1) The module according to claim 1, wherein the hole is designed as a through channel. ### Claim 4 (depends on 3) The module according to claim 3, wherein the through channel has a rectangular, a round, or an elliptical cross section. ### Claim 5 (depends on 1) The module according to claim 1, wherein the hole is arranged centrally with respect to the magnetic core of the coil. ### Claim 6 (depends on 1) The module according to claim 1, wherein the module has a shield housing, the housing has a signal-permeable region for the signals to enter or exit. ### Claim 7 (depends on 1) A system for inductive energy transfer to a vehicle for charging a vehicle-mounted energy store, the system comprising: a ground pad module (GPM module) arranged in a stationary manner on a ground, the GPM module having a primary coil; and a car pad module (CPM module) arranged in the vehicle, the CPM module having a secondary coil, the (GPM module and/or the CPM module being a module according to claim 1. ### Claim 8 (depends on 1) A vehicle having a module according to claim 1.