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. 04, 2018
Filed:
Dec. 14, 2014
Mann+hummel Gmbh, Ludwigsburg, DE;
Alfons Alois Schwinghammer, Dingolfing, DE;
Pamela Gohl, Remseck, DE;
Carolin Marquardt, Hemmingen, DE;
Stephan Niemeyer, Steinheim, DE;
MANN+HUMMEL GmbH, Ludwigsburg, DE;
Abstract
A filter () for liquid has a filter housing () with at least one hollow filter element (). The filter element at least partially surrounded by a liquid guidance region (). At least one additive chamber () of an additive dispensing device () is disposed on the side of the liquid guidance region () opposite the corresponding exterior side of the hollow filter element () by means of at least one partition (). The at least one partition has at least one dispensing port () by means of which the at least one additive chamber () can be fluidically connected to the liquid guidance region (). The at least one dispensing port () is closed with at least one closure element () at least in the original condition of the additive dispensing device (), this closure element being dissolvable by the liquid to be treated to release the at least one first dispensing port () during operation of the filter ().