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. 22, 2022
Filed:
Oct. 28, 2019
Elaflex Hiby Gmbh & Co. KG, Hamburg, DE;
Lasse Schulz-Hildebrandt, Neumünster, DE;
Matthias Fedde, Hamburg, DE;
ELAFLEX HIBY GmbH & Co. KG, Hamburg, DE;
Abstract
The invention relates to a device for discharging a first fluid and for returning a second fluid, comprising a main channel () for discharging the first fluid and a return channel () for returning the second fluid. According to the invention, a test channel () is provided which connects the main channel () to the return channel (), the main channel () having a narrowing () and the test channel () issuing into the main channel () in the region of the narrowing (). The device further has a sensor () which is designed to determine a pressure in the test channel (). The invention further relates to an outflow tube, a delivery nozzle and a delivery pump having a device according to the invention. With the aid of the invention, active return of the second fluid can be shut off in a simple and safe manner.