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:
Jul. 07, 1998
Filed:
Feb. 21, 1996
Applicant:
Inventor:
Pierre Durando, Lyons, FR;
Assignee:
Institut Francais du Petrole, Rueil-Malmaison, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417 45 ; 417 442 ; 417 53 ;
Abstract
The invention relates to a process and to a device for regulating a multiphase pumping assembly that includes notably at least one multiphase pump (1), a device (6) for determining a parameter representative of a working instability of multiphase pump (1) and at least one programmed processing assembly (7) allowing to store at least the determined parameter and initial parameter values, and to compute the new value of the speed of said multiphase pump in order to bring the working point of the pump back into its operating range.