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:
Jan. 12, 2021
Filed:
Sep. 06, 2018
Wabco Gmbh, Hannover, DE;
Jan Fiebrandt, Bad Pyrmont, DE;
Helge Westerkamp, Hemmingen, DE;
WABCO GMBH, Hannover, DE;
Abstract
A cleaning device for selectively bombarding a surface with a media sequence of at least a first medium and a second medium. The cleaning device includes a nozzle configured to bombard the surface with the second medium and a cleaning valve having a holding port, a pressure port, a plunger, and a pressure outlet. The cleaning device further includes a high-pressure accumulator configured to store the first medium, which is loaded with an accumulator pressure, and a changeover valve configured to selectively create a connection between a first medium supply line and a holding line connected to the holding port. The pressure outlet is configured to bombard the surface with the first medium in pulse-like fashion.