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. 06, 2007
Filed:
Dec. 04, 2002
Anthony Alves, Colmar, FR;
Anthony Alves, Colmar, FR;
Mark IV Systemes Moteurs (Société Anonyme), Courbevoie, FR;
Abstract
A control device for the throughput in a conduit portion a is provided. The device comprises a valve or a flap composed of a body mounted on a rotary support shaft and being displaceable between a position of maximum closure and a position of minimum closure by pivoting about said shaft. The device is characterised in that at least one shape or structure (4,4') which is at least partially obstructive, by projecting into the internal passage of said conduit portion () and locally reducing the passage section thereof, is present in the region of the internal face of the wall of said conduit portion. The device includes at least one cooperating surface zone () which intimately mates with the shape of at least one part of the imaginary surface swept by at least one segment of the external peripheral edge () of the body () of the valve or flap when pivoted.