# US 10,311,997 B2 · Wire harness and method for routing wire harness > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,311,997 B2 - Document ID: US10311997B2 - Status: Granted - Kind: B2 - Application number: 15/417,967 - Filed: 2017-01-27 - Published: 2017-08-03 - Granted: 2019-06-04 - Earliest claimed: 2016-01-29 - Assignees: Yazaki Corporation - Applicants: Yazaki Corporation - Inventors: Masaki Tanigawa; Hideomi Adachi - Web page: https://patentgrep.com/patent/US10311997B2 ## CPC - H01B 7/0045: {Cable-harnesses} - B60R 16/0215: {Protecting, fastening and routing means therefor} - H01R 13/53: Bases or cases for heavy duty; Bases or cases {for high voltage} with means for preventing corona or arcing - H02G 3/0468: {Corrugated} - H01R 2201/26: for vehicles - 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}) - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES ## Abstract A wire harness (41) has a harness main body (51) including at least a high-voltage wire (55). A bending load at a bent portion of the harness main body (51) is set to less than 44 newtons. ## Claims ### Claim 1 A wire harness comprising: a harness main body including a plurality of high-voltage wires, wherein a bending load at a bent portion of the harness main body is set to less than 44 newtons, the harness main body includes a connector connected to one end of the harness main body, the connector is connected to a counterpart connector by bending the harness main body, and when the harness main body includes a plurality of constituent members, the bending load at the bent portion of the harness main body is set according to a combination leading to a sum of the bending loads being less than 44 newtons, based on bending load data previously calculated for each of a plurality of bending forms in each of the constituent members. ### Claim 2 (depends on 1) The wire harness according to claim 1, wherein, when the connector is connected to the counterpart connector, no straight portion is provided or a length of a straight portion is not more than three times larger than a value of an outside diameter of the harness main body in a part where the harness main body starts to extend from the connector. ### Claim 3 (depends on 1) The wire harness according to claim 1, wherein the harness main body includes an exterior part covering a periphery of the high-voltage wire. ### Claim 4 (depends on 1) The wire harness according to claim 1, wherein the previously calculated bending load data indicates a bending form in which at least a part of the harness main body is bent, when the constituent member is the high-voltage wire, the bending load data includes data indicating a correlation between a curvature radius and a bending load of the high-voltage wire and data indicating a correlation between a diameter and the bending load of the high-voltage wire, and when an exterior part as the constituent member is a corrugated tube, the bending load data is data indicating a correlation between a thickness and a bending load of the corrugated tube. ### Claim 5 (depends on 1) The wire harness according to claim 1, wherein a curvature radius at the bent portion of the harness main body is not more than 60 mm. ### Claim 6 (depends on 1) The wire harness according to claim 1, wherein the wire harness connects between a battery and an inverter and between the inverter and a motor in an electric vehicle or a hybrid vehicle. ### Claim 7 A wire harness comprising: a harness main body including at least a high-voltage wire, wherein a bending load at a bent portion of the harness main body is set to less than 44 newtons, the harness main body includes an exterior part covering a periphery of the high-voltage wire, and when the harness main body includes a plurality of constituent members, the bending load at the bent portion of the harness main body is set according to a combination leading to a sum of the bending loads being less than 44 newtons, based on bending load data previously calculated for each of a plurality of bending forms in each of the constituent members. ### Claim 8 (depends on 7) The wire harness according to claim 7, wherein the bending load of the high-voltage wire is less than 37 newtons, and the bending load of the exterior part is less than 7 newtons. ### Claim 9 (depends on 7) The wire harness according to claim 7, wherein the previously calculated bending load data indicates a bending form in which at least a part of the harness main body is bent, when the constituent member is the high-voltage wire, the bending load data includes data indicating a correlation between a curvature radius and a bending load of the high-voltage wire and data indicating a correlation between a diameter and the bending load of the high-voltage wire, and when the exterior part as the constituent member is a corrugated tube, the bending load data is data indicating a correlation between a thickness and a bending load of the corrugated tube. ### Claim 10 (depends on 7) The wire harness according to claim 7, wherein the wire harness connects between a battery and an inverter and between the inverter and a motor in an electric vehicle or a hybrid vehicle. ### Claim 11 (depends on 10) The wire harness according to claim 10, wherein the wire harness is configured to be fixed to a vehicle body of an electric vehicle or a hybrid vehicle with at least two fixing members. ### Claim 12 A wire harness comprising: a harness main body including a plurality of high-voltage wires, wherein a bending load at a bent portion of the harness main body is set to less than 44 newtons, the harness main body includes a connector connected to one end of the harness main body, the connector is connected to a counterpart connector by bending the harness main body, and when the plurality of high-voltage wires differ in length in the bending form of the harness main body, a curvature radius of the high-voltage wire having a long length is set larger than that of the high-voltage wire having a short length.