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:
Dec. 23, 2014
Filed:
Jun. 15, 2011
Jens Christian Folkmar Andersen, Fredericia, DK;
Karsten Schack Madsen, Odense, DK;
Louise Wichmann Agner, Broerup, DK;
Jens Christian Folkmar Andersen, Fredericia, DK;
Karsten Schack Madsen, Odense, DK;
Louise Wichmann Agner, Broerup, DK;
Alfa Laval Corporate AB, Lund, SE;
Abstract
A valve comprising a valve housing with a valve bonnet, an inlet opening and an outlet opening, the valve bonnet having a passage for a valve stem, the passage having a sidewall and the valve stem comprising a valve disk for closing the valve by bringing the valve disk in contact with a valve seat in the valve housing, the passage in the valve bonnet comprising at least a first section with a first cross sectional area and a second section with a second cross sectional area that is smaller than the first cross sectional area. The sidewall in the passage is in direct contact with the valve stem at the second section with the second cross sectional area.