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. 06, 2012
Filed:
Dec. 19, 2005
Reinhold Schniederjan, Neu-Ulm, DE;
Markus Gepraegs, Ulm, DE;
Reinhold Schniederjan, Neu-Ulm, DE;
Markus Gepraegs, Ulm, DE;
Brueninghaus Hydromatik GmbH, Elchingen, DE;
Abstract
A pressure limiting valve comprises a valve closing body () which comprises a valve closing surface () which together with a first valve seat () opposing the valve closing surface () forms a first seal seat and a valve closing body orifice (), which is surrounded by a second valve seat () which together with a closing head () configured on an axially displaceable valve bolt () forms a second seal seat and with a spring plate () which is connected to the valve bolt () and axially displaceable therewith, and a first return spring () clamped between the spring plate () and the valve closing body (), which pretensions the valve bolt () against the second valve seat () configured on the valve closing body () and a second return spring () which pretensions a valve unit () against the first valve seat (). In the valve bolt () a longitudinal bore () is provided extending over the entire axial length of the valve bolt ().