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:
Mar. 27, 2001
Filed:
Sep. 08, 1999
Applicant:
Inventor:
Jakob Keller, late of Wohlen, CH;
Assignee:
Asea Brown Boveri AG, Baden, CH;
Primary Examiner:
Int. Cl.
CPC ...
F15D 1/02 ;
U.S. Cl.
CPC ...
F15D 1/02 ;
Abstract
A flow duct for the passage of a two-phase flow which has a liquid and a gaseous phase is described, comprising an inner wall completely enclosing the two-phase flow radially to the direction of flow. The invention is distinguished by the fact that raised contours are provided on the inner wall of the flow duct, and these raised contours are attached to the inner wall essentially perpendicularly to the direction of flow and are at a distance from one another in the direction of flow.