US 11,887,756 B2
Thick electric wire
Yuhei Mayama, Tochigi (JP)
Assigned to SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Filed by SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka (JP)
Filed on Oct. 21, 2022, as Appl. No. 18/048,526.
Claims priority of application No. 2021-181499 (JP), filed on Nov. 5, 2021.
Prior Publication US 2023/0154643 A1, May 18, 2023
Int. Cl. H01B 3/44 (2006.01)
CPC H01B 3/44 (2013.01) 8 Claims
OG exemplary drawing
 
1. An electric wire for use in an electric vehicle with a large current of 100 A or more and a high voltage of 30 V or more, comprising:
a conductor; and
an electrically insulating layer covering an outer surface of the conductor,
wherein the conductor includes first twisted wires in each of which a plurality of element wires are twisted together, and the first twisted wires are twisted together to form one or more second twisted wires,
wherein an element-wire diameter of each of the element wires is 0.18 mm to 0.35 mm, and
wherein a secant modulus of the electrically insulating layer is 15 MPa to 41 MPa.