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. 03, 2012
Filed:
May. 08, 2007
Applicants:
Esko Yli-koski, Kerava, FI;
Pekka Kivipelto, Helsinki, FI;
Inventors:
Esko Yli-Koski, Kerava, FI;
Pekka Kivipelto, Helsinki, FI;
Assignee:
Metso Automation Oy, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to a control valve which comprises a first and a second flow channel (), a valve chamber () and a closing member (), from which a shaft () extends. A flow connection is established in the control valve through the inner part of the chamber (). The flow connection into the chamber () and the one out of the chamber () are constricted at all openings (A, A, A) when the closing member () is turned about the rotation axis () in the chamber ().