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, 2019
Filed:
Aug. 08, 2018
Hoerbiger Automatisierungstechnik Holding Gmbh, Altenstadt, DE;
Marcus Grödl, Altdorf, DE;
Jochen Schaible, Altensteig, DE;
Daniel Haller, Stuttgart, DE;
Collin Dymel, Stuttgart, DE;
Benedikt Hildebrandt, Filderstadt, DE;
Györg Molnar, Waldenbuch, DE;
Sebastian Neiss, Stuttgart, DE;
HOERBIGER FLOW CONTROL GMBH, Altenstadt, DE;
Abstract
A proportional valve is provided having a pilot control valve that can be controlled by means of a control signal and having a booster valve that can be actuated by means of the pilot control valve. The proportional valve has a compressed-air connection for connecting a compressed-air supply, a working connection, and an air-removal connection. The booster valve has three valve elements, which are arranged one after the other and can each be moved in an axial direction against a spring force.