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:
Dec. 29, 1981
Filed:
Aug. 21, 1979
Hans H Rheindorf, Herbrechtingen, DE;
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Abstract
An electric capacitor containing a winding of paper and/or synthetic dielectric foils and metallic coatings and having at least one winding which is disposed in a sealed gas-tight housing containing an excessive pressure safety system and filled with an impregnation fluid, such as mineral oil, up to a predetermined buffer volume. In accordance with the invention, the impregnation fluid is saturated with an electro-negative gas and the buffer volume in the housing likewise is filled with such gas in an amount which assures a pressure higher than the normal pressure but, lower than the response pressure for the safety system.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile