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:
Mar. 23, 1993
Filed:
Feb. 18, 1992
Applicant:
Inventor:
Nicholas R Nigrelli, Kiel, WI (US);
Assignee:
Nigrelli Systems Inc., Kiel, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
261 76 ; 261120 ; 261D / ; 261D / ;
Abstract
The aspirator or air-injector of the present invention includes an air transport pipe disposed within a fluid transport tube. The end of the pipe which is disposed within the tube is cut at an angle to the axis of the pipe and provides a beveled face disposed within the tube, facing upstream of any fluid passing through the tube, and being rotated at an angle between 5 and 20 degrees.