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. 12, 2024
Filed:
Mar. 16, 2020
Valeo Systèmes D'essuyage, Le Mesnil Saint Denis, FR;
Michael Buss, Bietigheim-Bissingen, DE;
Felix Faehnle, Bietigheim-Bissingen, DE;
Wolfgang Scholl, Bietigheim-Bissingen, DE;
VALEO SYSTÈMES D'ESSUYAGE, Le Mesnil Saint Denis, FR;
Abstract
A device () for supplying air to a suction side () of a pump () of a wiper system (), includes a suction channel () for sucking in air, said suction channel () being able to be connected to the suction side () of the pump (). Provision is made that the device () is realized as a component separate from the pump () and comprises a connection area () for connecting the device () with a supply container () for washer fluid () and having an additional connection area () for a suction nozzle () of the pump (), and that a check valve () is disposed in the suction channel (), said check valve () being designed to open and close as a function of a negative pressure (P) on a suction nozzle () of the pump (), whereby when the said check valve () is opened air can enter the area of the suction nozzle () of the pump (), and when the check valve () is closed no air is sucked in.