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. 28, 2004
Filed:
Dec. 30, 2002
Applicant:
Inventors:
Daniel C Milan, Bresson, FR;
Fabrice R Loiseau, Echirolles, FR;
Assignee:
Alstom Power N.V., Amsterdam, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03B 1/506 ;
U.S. Cl.
CPC ...
F03B 1/506 ;
Abstract
An installation comprising a turbine equipped with a wheel rotatable about an axis (X-X′), and a tank feeding the turbine. The feed tank having, projecting on a plane globally perpendicular to the axis (X-X′), an external spiral shape. The feed tank forms a helico-convergent duct centered on the axis (X-X′) and convergent towards the turbine. The duct is bordered by an outer partition, an inner partition and at least an intermediate partition contributing to the reinforcement of the tank.