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:
May. 05, 2015

Filed:

Sep. 18, 2011
Applicants:

Primoz Zlindra, Magstadt, DE;

Timo Hufnagel, Weinstadt, DE;

Mark Sealy, Warwickshire, GB;

Inventors:

Primoz Zlindra, Magstadt, DE;

Timo Hufnagel, Weinstadt, DE;

Mark Sealy, Warwickshire, GB;

Assignee:

Norgren GmbH, Alpen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/22 (2006.01); F16K 49/00 (2006.01); F16K 1/226 (2006.01); F02D 9/10 (2006.01); F02D 11/10 (2006.01); F16K 27/02 (2006.01);
U.S. Cl.
CPC ...
F16K 49/005 (2013.01); F16K 1/2263 (2013.01); F02D 9/106 (2013.01); F02D 11/10 (2013.01); F16K 1/221 (2013.01); F16K 1/222 (2013.01); F16K 27/0218 (2013.01); F16K 27/029 (2013.01); F16K 1/226 (2013.01); F16K 1/2268 (2013.01);
Abstract

A butterfly valve () is provided. The butterfly valve () includes a valve body () including a valve bore () passing through the valve body (), with the valve bore () including an upstream valve bore portion (U) and a downstream valve bore portion (D), a shaft bore (), a valve shaft () located in the shaft bore () and extending substantially across the valve bore (), and a valve flap () affixed to the valve shaft () and configured to be rotated by the valve shaft (). The valve flap () is configured to rotate between a closed orientation blocking the valve bore () and an open orientation. The valve flap () is affixed on an upstream valve bore portion side of the valve shaft (), wherein incoming fluid presses the valve flap () against the valve shaft ().


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