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. 11, 2008
Filed:
Apr. 04, 2003
Roland Belser, Haigerloch, DE;
Roland Belser, Haigerloch, DE;
Brueninghaus Hydromatik GmbH, Elchingen, DE;
Abstract
The invention relates to a regulatory device for a pump (), whose delivery volume can be adjusted, said device comprising a control valve unit () for regulating a control pressure that operates in a control pressure chamber () of an actuator (). The control valve unit () comprises a threshold value control valve () and a delivery flow control valve (). The threshold value control valve () is subjected to a pressure from a working line () on the delivery side and the delivery flow control valve () can be subjected to a consumer input pressure taken from a consumer supply line (), at a comparison pressure connection (). In addition, the delivery flow control valve () is subjected to a control pressure that counteracts the consumer input pressure, at a regulatory pressure measurement connection (). A control pressure feed connection () of the delivery flow control valve () can be connected to the working pressure line () on the delivery side in a variable manner, by means of the threshold value control valve ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile