×

Inductive coupling apparatus for charging an electric car

  • US 5,929,599 A
  • Filed: 03/03/1998
  • Issued: 07/27/1999
  • Est. Priority Date: 03/10/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. An inductive coupling apparatus for charging an electric car, wherein a storage device in the electric car is charged through said inductive coupling apparatus by means of an external power source apparatus, wherein said inductive coupling apparatus includes a coil unit assembly comprising a primary coil unit having a primary coil connected to said external power source apparatus and a primary core for supporting said primary coil, and a secondary coil unit having a secondary coil connected to said storage device and a secondary core for supporting said secondary coil, and wherein said primary and secondary cores form a magnetic circuit between said primary and secondary coils;

  • said inductive coupling apparatus being characterized in that a gap for flowing a cooling medium is formed between each of said primary and secondary coils and a coil supporting portion of each of said primary and secondary cores.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×