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:
Nov. 06, 2001
Filed:
Aug. 31, 1999
Applicant:
Inventor:
Jean Falcimaigne, Bois Colombes, FR;
Assignee:
Institut Francais Du Petrole, Rueil Malmaison Cedex, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 1/04 ;
U.S. Cl.
CPC ...
F04D 1/04 ;
Abstract
The invention is a device and method which varies the pressure of a multiphase fluid comprising at least one liquid phase and at least one gaseous phase. The device comprises a housing, a hub, a rotating shaft, and at least two blades defining at least one flow channel. At least one turbulence producing structure is disposed inside at least one flow channel which generates a turbulent zone inside the the at least one channel which mixes the liquid and gaseous phases of the multiphase fluid.