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:
Jun. 07, 2022
Filed:
Feb. 24, 2021
Applicant:
Bender Gmbh & Co. KG, Gruenberg, DE;
Inventor:
Dieter Hackl, Fernwald, DE;
Assignee:
BENDER GMBH & CO. KG, Gruenberg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H 31/12 (2006.01); G01R 31/12 (2020.01); H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
G01R 31/1272 (2013.01); G01R 31/1281 (2013.01); H05K 7/20272 (2013.01); H05K 7/20927 (2013.01);
Abstract
A monitoring device and a method for monitoring an insulation resistance for an ungrounded electric system includes a liquid cooling operated to ground and having refrigerant flowing in tubes. For this purpose, the measuring signal is supplied in series in the tube system via the refrigerant resistance. The monitoring device is realized having a current measurement or a voltage measurement at the tube sections in order to detect the insulation resistance and can be enhanced for monitoring a shared insulation resistance of several ungrounded electric subsystems fed by a shared transformer.