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:
Nov. 01, 2011
Filed:
May. 13, 2008
Andreas Zabel, Berlin, DE;
Stefan Mergel, Düsseldorf, DE;
Andreas Zabel, Berlin, DE;
Stefan Mergel, Düsseldorf, DE;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A capacitive liquid level detector for detecting a liquid level of a liquid in a receptacle, the liquid being conductive, the detector comprising: a capacitor with a first plate having a fixed size and being insulated from the liquid, and a second plate being formed by the liquid itself, its size being variable depending on the liquid level inside said receptacle, wherein a thin film dielectric layer is formed on the surface of the first plate and located between the first plate and the second plate, the first plate with the thin film dielectric layer formed on its surface is arranged such that it covers an open part of the outer wall of the receptacle, the first plate with the thin film dielectric layer formed on its surface is attached to the receptacle by sealing means in order to seal the receptacle against liquid leakage.