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:
Jan. 26, 1982
Filed:
Apr. 02, 1980
Applicant:
Inventors:
Henry A Pearce, Stoneboro, PA (US);
Paul Voytik, Hermitage, PA (US);
Edward J Walsh, Hermitage, PA (US);
Assignee:
Electric Power Research Institute, Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B / ;
U.S. Cl.
CPC ...
252581 ; 252578 ; 252580 ;
Abstract
A transformer is disclosed which contains a dielectric fluid of tetrachloroethylene. The dielectric fluid is ultra pure in that it contains less than 100 ppm of chlorohydrocarbons. A diluent, such as mineral oil, may be mixed with the tetrachloroethylene. The fluid can also contain 30 to 100 ppm of an inhibitor.
Pearce, Henry. (1982). Ultra pure tetrachloroethylene dielectric fluid (U.S. Patent No. 4312794). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4312794
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile