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. 04, 2019
Filed:
Feb. 23, 2015
Hydac Filtertechnik Gmbh, Sulzbach/Saar, DE;
Artur Jung, Quierschied, DE;
Jörg Michael Wendels, Riegelsberg, DE;
HYDAC FILTERTECHNIK GMBH, Sulzbach/Saar, DE;
Abstract
A contamination indicator is for filter elements () for fluids that are replaceably housed in a filter housing (). The indicator has a fluid-conveying connection () to the interior of the housing () and possesses an indicating device () providing information concerning the degree to which the filter element is contaminated (). A temperature-dependently active actuation device () is connected upstream from the indicating device () in the direction of fluid inlet. By the actuation device, the indicating device () is activated when the fluid temperature has reached a predefinable threshold value.