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:
Apr. 01, 2008
Filed:
Jun. 25, 2003
Applicants:
Fabien Cens, Massy, FR;
Gilbert Galland, Clamart, FR;
Jean-pierre Chyzak, Eury Gregy sur Yerres, FR;
Inventors:
Fabien Cens, Massy, FR;
Gilbert Galland, Clamart, FR;
Jean-Pierre Chyzak, Eury Gregy sur Yerres, FR;
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/36 (2006.01); G01P 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to an impeller device for data acquisition in a flow. It comprises a support () with two bearing blocks () to hold a spindle () around which the impeller () is fitted. The spindle () comprises two approximately conical ends (). The bearing blocks () are made from a material with the lowest possible coefficient of friction and each comprises an approximately conical recess () into which one of the ends () of the spindle () fit.