# US 10,374,270 B2 · Battery holder with cooling system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,374,270 B2 - Document ID: US10374270B2 - Status: Granted - Kind: B2 - Application number: 15/684,585 - Filed: 2017-08-23 - Published: 2018-03-01 - Granted: 2019-08-06 - Earliest claimed: 2016-08-23 - Assignees: Benteler Automobiltechnik GmbH - Applicants: Benteler Automobiltechnik GmbH - Inventors: Rodscha Drabon; Florian Kneuper; Marcel Passon - Web page: https://patentgrep.com/patent/US10374270B2 ## CPC - H01M 10/625: Vehicles - B60L 50/64: Constructional details of batteries specially adapted for electric vehicles - H01M 10/613: Cooling or keeping cold - H01M 10/615: Heating or keeping warm - H01M 10/6556: Solid parts with flow channel passages or pipes for heat exchange (closed pipes H01M10/6552) - H01M 50/249: specially adapted for aircraft or vehicles, e.g. cars or trains (constructional details of batteries specially adapted for electric vehicles B60L50/64) - H01M 2220/20: Batteries in motive systems, e.g. vehicle, ship, plane - Y02E 60/10: Energy storage using batteries - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL 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 - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A battery holder for an electric vehicle is disclosed. The battery holder is mounted in a subfloor region of the electric vehicle and includes a pan and a cover. The pan is formed by an outer encircling frame and a bottom. A cooling system is integrated in the bottom of the pan. ## Claims ### Claim 1 A battery holder for an electric vehicle, comprising: a pan; a cover; wherein the pan is formed by an outer encircling frame and a double-layered bottom; and, a cooling system integrated in the bottom of the pan, and wherein the cooling system is formed by the bottom layers. ### Claim 2 (depends on 1) The battery holder according to claim 1, wherein the frame is formed from a hollow profile. ### Claim 3 (depends on 1) The battery holder according to claim 1, wherein cooling ducts are formed between the two bottom layers to carry a heat transfer fluid. ### Claim 4 (depends on 1) The battery holder according to claim 1, wherein the cooling system can operate as a heating system by reversal of the heat flux. ### Claim 5 (depends on 1) The battery holder according to claim 1, wherein latent heat storages are arranged in the bottom. ### Claim 6 (depends on 5) The battery holder according to claim 5, wherein the latent heat storages are arranged between the cooling ducts. ### Claim 7 (depends on 1) The battery holder according to claim 1, wherein at least one bottom layer is formed from a metallic material, preferably the two bottom layers are formed from a metallic material. ### Claim 8 (depends on 1) The battery holder according to claim 1, wherein at least one bottom layer is formed from a fiber composite and/or a plastic material. ### Claim 9 (depends on 1) The battery holder according to claim 1, wherein the first bottom layer facing the batteries is made from a light metal. ### Claim 10 (depends on 1) The battery holder according to claim 1, wherein at least one battery lies in sheetlike manner with a bias force against the bottom. ### Claim 11 (depends on 1) The battery holder according to claim 1, the bottom layers are coupled to each other in integrally bonded and/or form-fitting manner. ### Claim 12 (depends on 1) The battery holder according to claim 1, wherein the battery holder is mounted in a subfloor region of an electric vehicle. ### Claim 13 (depends on 2) The battery holder according to claim 2, wherein the hollow profile is a multichambered hollow profile. ### Claim 14 (depends on 2) The battery holder according to claim 2, further comprising at least one transverse web and at least one longitudinal web are arranged in the frame. ### Claim 15 (depends on 9) The battery holder according to claim 9, wherein the light metal is an aluminum alloy. ### Claim 16 (depends on 11) The battery holder according to claim 11, wherein the coupled comprises being joined together by adhesive and/or screws.