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:
Jan. 31, 1978
Filed:
Mar. 18, 1976
Applicant:
Inventors:
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
415112 ; 415183 ; 417424 ; 308-9 ; 308107 ;
Abstract
A rotary machine such as a pump has a vertical driveshaft suspended from the upper end and provided at the lower end with an impeller surrounded by a casing in which provision is made for a suction chamber fitted with stationary radial vanes integral with the casing. The driveshaft is rotatably mounted in a hydrostatic bearing placed beneath the impeller, a removable sleeve being mounted coaxially with the shaft between the suction chamber and the impeller.