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. 09, 1997
Filed:
Jul. 19, 1995
Applicant:
Inventors:
Assignee:
J.M. Voith GmbH, Heidenheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137-2 ; 137504 ; 138 45 ;
Abstract
An apparatus and method for variably controlling fluid flow in a closed flow line, especially the flow of a pulp suspension through a headbox of a paper-making machine, includes guiding fluid through a cavity of a conduit having at least two different cross-sectional profiles. Fluid flow resistance is adjusted by changing the contour of an edge defined by the conduit and a transition step connecting the two cross-sections.
Quick Actions:
Begemann, Ulrich. (1997). Device and method for changing the flow resistance of a fluid flow (U.S. Patent No. 5694961). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5694961
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