The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 2020
Filed:
Mar. 02, 2018
Astec International Limited, Kwun Tong, Kowloon, HK;
Kwong Kei Chin, Fremont, CA (US);
Astec International Limited, Kwun Tong, Kowloon, HK;
Abstract
A transformer includes a transformer core, and a primary winding and a secondary winding each wound about the transformer core. The primary winding includes a wire wound in multiple primary winding layers, and each primary winding layer includes multiple primary turns arranged in a spiral. The secondary winding includes one or more substantially flat conductors defining multiple secondary winding layers. Each secondary winding layer includes one secondary turn, every two adjacent secondary turns have a single different one of the primary winding layers positioned between the two adjacent secondary turns to interleave the secondary winding and the primary winding, and each secondary turn has a different diameter than an adjacent one of the secondary turns.