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. 07, 2001
Filed:
Jun. 08, 1999
Robert John Kultzow, Okemos, MI (US);
Mangesh Yeshwant Rajadhyaksha, Okemos, MI (US);
Luciano Pilato, Haslett, MI (US);
William Bin Ferng, Novi, MI (US);
Vantico Inc., Brewster, NY (US);
Abstract
The present invention relates to a high voltage liquid-filled transformer including a housing and a dielectric liquid impregnated barrier material within the housing. The barrier material is prepared from an expandable epoxy resin formulation comprising: (i) at least one polyglycidyl compound; (ii) at least one curing agent for the polyglycidyl compound; and (iii) at least one blowing agent. An additional aspect of the present invention is a novel barrier component for a liquid-filled transformer. The present invention also relates to a method for manufacturing the novel barrier component. The present invention also relates to a method of manufacturing the transformer.