US2014260482A1PendingUtilityA1

Method of reducing oil volume in a poletype transformer

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Assignee: HOWARD IND INCPriority: Mar 15, 2013Filed: Mar 17, 2014Published: Sep 18, 2014
Est. expiryMar 15, 2033(~6.6 yrs left)· nominal 20-yr term from priority
Inventors:Darren Brown
H01F 27/12B21D 31/00H01F 27/025
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Claims

Abstract

A method of reducing the volume of oil required by a transformer is described. The sides of a transformer are embossed by use of a metal roller press causing indentations into the metal sides of the transformer.

Claims

exact text as granted — not AI-modified
We claim: 
     
         1 . A method of reducing the volume of oil required by a transformer comprising:
 a. embossing the sides of a transformer by use of a metal roller press that stretches the metal toward the inside of the transformer.

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