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. 08, 2003
Filed:
Aug. 01, 2001
Thomas Jessberger, Rutesheim, DE;
Heinz Dobusch, Marbach, DE;
Filterwerk Mann & Hummel GmbH, Ludwigsburg, DE;
Abstract
A shift drum ( ), especially for use in an intake manifold arrangement for a multi-cylinder internal combustion engine, having an induction distributor, long individual suction pipes ( ) that are arranged adjacent one another, and short individual suction pipes ( ) that are situated interiorly. The shift drum ( ) is arranged in a longitudinal bore ( ) which intersects at least the short individual suction pipes ( ). Shift drum ( ) is further provided with radial seals ( ) which seal the individual pipes ( ) from each other. Separate seals ( ) are provided which are fixed in position on the shift drum ( ) for sealing off long individual suction pipes ( ) from short individual suction pipes ( ) in a closed position.