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.

Date of Patent:
Oct. 27, 2020

Filed:

Oct. 09, 2018
Applicant:

Buerkert Werke Gmbh & Co. KG, Ingelfingen, DE;

Inventor:

Jan Westermann, Ingelfingen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/122 (2006.01);
U.S. Cl.
CPC ...
F16K 31/1221 (2013.01); F16K 31/122 (2013.01);
Abstract

A valve drive system for a pneumatic or hydraulic valve is provided, comprising a drive unit and at least two cup-shaped upper casing parts having different geometries, wherein the drive unit comprises a sleeve, a piston being movable in the sleeve in a linear way, a drive spindle mounted on the piston, and a mounting portion, wherein each of the cup-shaped upper casing parts is couplable by means of the mounting portion to the drive unit, to close the valve drive system to the upper side.


Find Patent Forward Citations

Loading…