Patent · US Active

Control valve

US11293563B2 · kind B2 · utility

0Cited by

11References

8Claims

0Family size

Assignee

SAMSON AKTIENGESELLSCHAFT · DE

Inventors

Uwe Kirbs · Frankfurt, DE
Domagoj Vnucec · Ilvesheim, DE

Key dates

Filing date	Aug 22, 2018
Grant date	Apr 5, 2022
Priority date	—
Expiry date	Aug 27, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH05F3/02
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.