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:
Sep. 07, 2010
Filed:
Oct. 13, 2006
Fabien Wahl, Saint Marcel, FR;
Jean-michel Nguyen Duc, Vezillon, FR;
Fabien Tessier, Vernon, FR;
Sebastien Boufflert, Louviers, FR;
Fabien Wahl, Saint Marcel, FR;
Jean-Michel Nguyen Duc, Vezillon, FR;
Fabien Tessier, Vernon, FR;
Sebastien Boufflert, Louviers, FR;
SNECMA, Paris, FR;
Abstract
A suction stage for a pump with a centrifugal wheel, the suction stage including a rotational impeller equipped with a hub and arranged upstream of the centrifugal wheel, the suction stage further including a diffuser arranged between the impeller and the centrifugal wheel, the diffuser including a plurality of blades. The hub has a downstream surface extending axially so as to converge toward the centrifugal wheel, and the blades of the diffuser have free ends, the blades protruding radially toward the downstream surface.