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:
Jul. 30, 1991
Filed:
Mar. 09, 1990
Applicant:
Inventors:
Minoru Yamada, Susono, JP;
Nobuo Kobayashi, Susono, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
239502 ; 239513 ; 73147 ;
Abstract
A device for changing a direction of an airstream, which comprises a plurality of spaced airstream direction control plates arranged in parallel in a plane perpendicular to the direction of flow of the airstream. The airstream direction control plates are swung about corresponding swing axes positioned at the downstream ends of the airstream direction control plates, to change the direction of flow of the airstream.