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:
Aug. 17, 1976
Filed:
Jan. 17, 1975
Applicant:
Inventor:
Hubert K Fuchs, Mayen, DT;
Assignee:
The De Laval Separator Company, Poughkeepsie, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
261 87 ; 259 32 ; 261 91 ; 261 93 ; 261D / ; 416176 ; 416234 ;
Abstract
A device for revolving a liquid has a hollow shaft for supplying gas to the liquid, and the free end of the shaft is immersed in the liquid where it carries a propeller for revolving the liquid. The propeller comprises at least one screw-shaped vane, and at least part of the vane's surface forms an acute angle with the longitudinal axis of the hollow shaft, as seen from the free end of the shaft, the vane extending along at least two thirds of the circumference of the shaft.