×

Transformer and power supply device including the same

  • US 9,824,810 B2
  • Filed: 01/21/2015
  • Issued: 11/21/2017
  • Est. Priority Date: 08/29/2013
  • Status: Active Grant
First Claim
Patent Images

1. A transformer comprising:

  • a coil assembly including a magnetic core and first and second coil parts disposed in the magnetic core; and

    a base including an accommodation portion including a seating part having the coil assembly seated therein and a side wall protruding from the seating part,wherein the first coil part includes a multilayer substrate formed by stacking layers having inductor patterns formed thereon,the second coil part is disposed on at least one of upper and lower portions of the first coil part and is insulated by surrounding a conductive wire by two or more insulating papers,the second coil part has a thickness less than that of the multilayer substrate,the conductive wire and a conductive pattern formed on a layer of the first coil part constituting an inductor pattern closest to the second coil part are electrically insulated from each other and have an insulation distance based on the two or more insulating papers,the side wall of the accommodation portion has a coil outlet as a passage through which the second coil part is led out to an external surface of the accommodation portion,the transformer further comprises a first terminal portion and a second terminal portion, andthe second terminal portion includes a terminal strip supporting the second coil part led out from the accommodation portion and a fastening recess to which an end of the second coil part is fastened.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×