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. 06, 2018
Filed:
Dec. 21, 2015
Samson Ag, Frankfurt am Main, DE;
SAMSON AG, , DE;
Abstract
A diaphragm actuator () for a control valve is shown including an actuator housing (), in which a diaphragm () including a diaphragm disk () is sealingly fitted thus forming a pressure chamber (), and furthermore at least one spring () is provided which rests against the diaphragm disk () and the actuator housing (), with the diaphragm disk () being connected to a valve stem () for actuating a valve body. At least two springs () are provided and are disposed one after another in an axial direction between the actuator housing () and the diaphragm disk (), with a spring seat element () linearly guided by at least one linear guiding element () being provided between the at least two springs ().