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. 31, 1987
Filed:
Feb. 26, 1987
Applicant:
Inventor:
Donald V Rubin, Huntsville, AL (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B64C / ; B64C / ;
U.S. Cl.
CPC ...
2441 / ; 2441291 ; 2441293 ;
Abstract
A system for lowering the level of turbulence in an opening over which a eam of air is flowing at a subsonic velocity wherein a fence positioned adjacent to the opening at an upstream location is provided with a plurality of apertures in the distal portion thereof. The apertures in the distal portion of the fence spread the shear layer of air flowing over the top edge of the fence and substantially reduce turbulence within the opening.