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:
Oct. 10, 2017
Filed:
Aug. 18, 2015
Z & J Technologies Gmbh, Dueren, DE;
Robert Puetz, Dueren, DE;
Ingo Wirtz, Eschweiler, DE;
Z & J Technologies GmbH, Dueren, DE;
Abstract
The invention relates to a shut-off device for valve systems of industrial plants, in particular of chemical and petrochemical plants, with a disc () to shut off an opening for a fluid flow and with a seal seat (). The invention is characterised in that the disc () is arranged between the seal seat and a pressing means () to subject the disc () to a pressing force and can be pressed by the pressing means () against the seal seat (), wherein the pressing means () has in a housing () a plurality of pistons () and a transmission element for transmitting the pressing force to the disc (), the transmission element being arranged between the pistons () and the disc () and extending along the disc circumference, and wherein the pistons () are fluidically connected by a feed line () for hydraulic fluid.