# US 12,003,080 B2 · Line arrangement, connection arrangement and energy transmission system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,003,080 B2 - Document ID: US12003080B2 - Status: Granted - Kind: B2 - Application number: 17/718,366 - Filed: 2022-04-12 - Published: 2022-10-20 - Granted: 2024-06-04 - Earliest claimed: 2021-04-16 - Assignees: Rosenberger Hochfrequenztechnik GmbH & Co. KG - Applicants: Rosenberger Hochfrequenztechnik GmbH & Co. KG - Inventors: Christian Dandl; Johann Edfelder; Johannes Hegenauer - Web page: https://patentgrep.com/patent/US12003080B2 ## CPC - H02G 3/03: Cooling - B60R 16/0207: {Wire harnesses} - B60R 16/0215: {Protecting, fastening and routing means therefor} - H01B 7/423: {using a cooling fluid} - H01R 13/005: {Electrical coupling combined with fluidic coupling} - H02G 5/10: Cooling - B60L 2240/36: Temperature of vehicle components or parts - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K}) - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - 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 A line arrangement comprising an electrical line which has at least one electrical insulator and at least one electrical conductor which runs at least in some sections adjacently to the electrical insulator along a longitudinal axis of the electrical line. The line arrangement additionally has a passive heat dissipator which runs at least in some sections along the longitudinal axis and which has at least one heat-absorbing surface portion and at least one heat-emitting surface portion thermally connected to the heat-absorbing surface portion. The heat-absorbing surface portion is brought towards the electrical conductor at least to such an extent that the heat-absorbing surface portion forms a thermally operative connection to the electrical conductor in order to dissipate waste heat from the electrical conductor to the heat-emitting surface portion. ## Claims ### Claim 1 A line arrangement comprising: an electrical line which has at least one electrical insulator and at least one electrical conductor which runs at least in some sections adjacently to the electrical insulator along a longitudinal axis of the electrical line, and a passive heat dissipator which runs at least in some sections along the longitudinal axis and which has at least one heat-absorbing surface portion and at least one heat-emitting surface portion thermally connected to the heat-absorbing surface portion, wherein the heat-absorbing surface portion is brought towards the electrical conductor at least to such an extent that the heat-absorbing surface portion enters into a thermally operative connection to the electrical conductor in order to dissipate waste heat of the electrical conductor to the heat-emitting surface portion, wherein the heat dissipator has a plurality of lugs spaced from one another along the longitudinal axis, which form the heat-emitting surface portion, and which branch laterally from the at least one heat-absorbing surface portion, wherein the heat-absorbing surface portion of the heat conductor extends along the longitudinal axis at least substantially over the entire length of the electrical conductor. ### Claim 2 (depends on 1) The line arrangement according to claim 1, wherein the at least one electrical insulator a) is formed as an electrically insulating encasement, wherein the at least one electrical conductor runs at least in some sections along the longitudinal axis inside the electrically insulating encasement; and/or b) is formed as an electrically insulating spacer element, wherein at least two of the electrical conductors are spaced apart from one another by means of the electrically insulating spacer element. ### Claim 3 (depends on 1) The line arrangement according to claim 1, wherein the heat dissipator is formed of a flat, elongate material and runs at least substantially plane-parallel to an outer surface of the electrical conductor. ### Claim 4 (depends on 1) The line arrangement according to claim 1, wherein the heat-absorbing surface portion and the heat-emitting surface portion are arranged relative to one another in such a way that a heat path which forms between the surface portions and along which the waste heat of the electrical conductor is dissipated runs at an angle to the longitudinal axis. ### Claim 5 (depends on 4) The line arrangement according to claim 4, wherein the angle is a right angle to the longitudinal axis. ### Claim 6 (depends on 1) The line arrangement according to claim 1, wherein the heat-absorbing surface portion of the heat dissipator runs at least substantially inside the electrical insulator. ### Claim 7 (depends on 6) The line arrangement according to claim 6, wherein the heat-absorbing surface portion of the heat dissipator: a) runs inside the electrically insulating encasement; and/or b) runs inside the electrically insulating spacer element. ### Claim 8 (depends on 1) The line arrangement according to claim 1, wherein the heat-emitting surface portion of the heat dissipator is led laterally out of the electrical insulator. ### Claim 9 (depends on 8) The line arrangement according to claim 8, wherein the heat dissipator is led laterally out of the electrically insulating encasement and/or laterally out of the electrically insulating spacer element. ### Claim 10 (depends on 1) The line arrangement according to claim 1, wherein the heat-emitting surface portion has at least one connection region which is designed to connect the heat-emitting surface portion heat-conductively to a heat sink. ### Claim 11 (depends on 1) The line arrangement according to claim 1, wherein the heat-emitting surface portion forms cooling fins. ### Claim 12 (depends on 1) The line arrangement according to claim 1, wherein the heat-emitting surface portion has a heat-emitting layer with an emissivity greater than the emissivity of the material of the heat dissipator itself. ### Claim 13 (depends on 1) The line arrangement according to claim 1, wherein the at least one electrical conductor is formed as an elongate flat conductor with a flat cross section. ### Claim 14 (depends on 1) The line arrangement according to claim 1, further comprising at least one fastening means for mechanically fastening the electrical line to an adjacent structure. ### Claim 15 (depends on 14) The line arrangement according to claim 14, wherein the electrical line is mechanically fastened to the heat sink. ### Claim 16 (depends on 1) A connection arrangement having two electrical connectors for electrical connection to a corresponding electrical device, and a line arrangement according to claim 1, wherein the electrical connectors are each electrically connected to the at least one electrical conductor of the line arrangement, and are arranged at opposite ends of the line arrangement along the longitudinal axis. ### Claim 17 (depends on 16) An energy transmission system having the connection arrangement according to claim 16, wherein a) the first electrical device of the two electrical devices is formed as a primary electrical energy source; and wherein b) the second electrical device of the two electrical devices is designed as an electrical consumer. ### Claim 18 (depends on 17) The energy transmission system of claim 17, wherein the primary electric source is an accumulator, accumulator group or charging device for charging accumulators, and the electrical consumer is as an electric motor, or as a secondary energy source, comprised of an accumulator or accumulator group. ### Claim 19 A line arrangement comprising: an electrical line which has at least one electrical insulator and at least one electrical conductor which runs at least in some sections adjacently to the electrical insulator along a longitudinal axis of the electrical line, a passive heat dissipator which runs at least in some sections along the longitudinal axis and which has at least one heat-absorbing surface portion and at least one heat-emitting surface portion thermally connected to the heat-absorbing surface portion, wherein the heat-absorbing surface portion is brought towards the electrical conductor at least to such an extent that the heat-absorbing surface portion enters into a thermally operative connection to the electrical conductor in order to dissipate waste heat of the electrical conductor to the heat-emitting surface portion, wherein the heat dissipator has a plurality of lugs spaced from one another along the longitudinal axis, which form the heat-emitting surface portion, and which branch laterally from the at least one heat-absorbing surface portion, and wherein the at least one electrical conductor is formed as an elongate flat conductor with a flat cross section.