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:
Apr. 12, 2022
Filed:
Nov. 03, 2017
Applicant:
Weg Equipamentos Elétricos S.a., Jaraguá do Sul, BR;
Inventor:
Eliseu Tiburski Junior, Jaraguá do Sul, BR;
Assignee:
WEG EQUIPAMENTOS ELÉTRICOS S.A., Jaraguá do Sul, BR;
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/22 (2006.01); H02K 5/136 (2006.01); H02K 15/14 (2006.01);
U.S. Cl.
CPC ...
H02K 5/136 (2013.01); H02K 5/22 (2013.01); H02K 15/14 (2013.01);
Abstract
An explosion-proof electrical machine and, more specifically, to an electrical machine comprising an internal pressure reduction device. The internal pressure reduction device comprises a base for installation in a region of the casing below the connection box, a base being configured to receive a plurality of volume filling pieces; wherein the base comprises a bottom part and a part of wall which is extended by at least a part of the periphery of the bottom part. The base may further comprise at least one engaging means for each piece of the plurality of volume filling pieces.