Patent ID: 9349521
Filing Date: 2016-05-24
CPC Classification: H01F

Claim Text:
1. A transformer, comprising: at least one primary side module comprising: at least one secondary winding structure comprising a fourth opening, which is in communication with said channel; and a magnetic core assembly partially embedded within said channel and said fourth opening; wherein said first covering structure comprises a first main body, a first outer wall and a first inner wall, wherein said first outer wall is vertically protruded from an outer periphery of a first inner surface of said first main body, and said first inner wall is vertically protruded from an inner periphery of said first inner surface of said first main body and located beside said second opening, wherein said first receiving recess is defined by said first outer wall, said first inner wall and said first inner surface; wherein said first inner wall is integrally formed with the first covering structure; wherein said first covering structure further comprises a first protrusion part, and said first main body of said first covering structure further comprises a first outer surface, which is opposed to said first inner surface, wherein said first protrusion part is protruded from said first outer surface and inserted into said fourth opening of said secondary winding structure; wherein said second covering structure comprises a second receiving recess, and said second receiving recess is accommodated within said first receiving recess.