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:
Mar. 05, 2024
Filed:
Jun. 13, 2019
Continental Automotive Gmbh, Hannover, DE;
Torsten Hahn, Frankfurt am Main, DE;
CONTINENTAL AUTOMOTIVE GMBH, Hannover, DE;
Abstract
An apparatus for volume-controlled portioning of cleaning fluid, having a housing and having a piston unit which is arranged displaceably in the housing and which displaces a cleaning fluid from a chamber into an outflow channel. In order to provide an improved apparatus, which permits exact portioning with reduced temperature dependency and in a cleaning sequence which is as quick as possible. It is proposed that the piston unit includes a piston body and at least one valve device which is arranged on the piston body and which ensures that the chamber is filled with the cleaning fluid during the reverse movement of the piston unit.