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:
Aug. 15, 2023
Filed:
Apr. 28, 2022
Essex Furukawa Magnet Wire Usa Llc, Atlanta, GA (US);
Matthew Leach, Fort Wayne, IN (US);
James J. Connell, Fort Wayne, IN (US);
Allen Roe Guisinger, Huntertown, IN (US);
Allan R. Knerr, Fort Wayne, IN (US);
Frederick Marshall McFarland, Fort Wayne, IN (US);
Tamanna Ferdous McFarland, Fort Wayne, IN (US);
Mohammad Mazhar Said, South Barrington, IL (US);
Essex Furukawa Magnet Wire USA LLC, Atlanta, GA (US);
Abstract
Magnet wire with corona resistant enamel insulation may include a conductor and a multi-layer insulation system formed around the conductor. The insulation system may include a basecoat formed from a first polymeric enamel insulation. A midcoat formed from a second polymeric enamel insulation may be formed around the basecoat, and the second polymeric enamel insulation may include a filler dispersed in a base polyimide material. The filler may include between 20 percent and 80 percent by weight of silica dioxide and between 20 and 80 percent by weight of titanium dioxide. Additionally, the insulation system may include a topcoat formed from third polymeric enamel insulation formed around the midcoat.