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:
Apr. 26, 2022
Filed:
Aug. 22, 2018
Samson Ag, Frankfurt am Main, DE;
Christian Mellinger, Obertshausen, DE;
Harald Kah, Brechen, DE;
SAMSOON AG, Frankfurt am Main, DE;
Abstract
The invention relates to a control valve for adjusting a process fluid flow of a process plant, comprising a valve housing () with a valve seat () and a valve member () connected to a valve rod (), which cooperates with the valve seat () for opening and closing the control valve (), wherein the valve rod () is electrically connected to the valve housing () through a contact device (). The invention is characterized in that a measuring device () for the ohmic transition resistance measurement of the contact device () is provided, and that the measuring device () is arranged in a measuring line () that connects the valve housing () to the valve rod ().