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:
Dec. 15, 1998
Filed:
Dec. 02, 1996
George R Seyfang, Preston, GB;
British Aerospace plc, , GB;
Abstract
Apparatus for the control of boundary layer fluids by a suction technique, the said apparatus being adapted to form part of or attach to a fluid dynamic surface and comprising; a sandwich skin material consisting of at least two layers, an outer layer of which is in use positioned adjacent to the boundary layer fluid, the said layers of material bounding internal intercommunicating passageways to allow in use the movement of fluid to substantially all areas within the material, the outer layer being provided with a plurality of holes communicating with the internal passageways of the said sandwich skin material and a plurality of hoods or steps being fixedly attached to the outer layer of the material located such that in use said hoods or steps are downstream of said plurality of holes and each upstream of and shielding an opening in said outer layer and communicating with at least one of said internal intercommunicating passageways.