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. 15, 2006
Filed:
Feb. 25, 2005
Renzo Moschini, Bologna, IT;
Nazario Bellato, Bologna, IT;
Federico Lancioni, San Gemini, IT;
Riccardo Nazzaro, Bologna, IT;
Sandro Sirani, San Benedetto Val Di Sambro, IT;
Renzo Moschini, Bologna, IT;
Nazario Bellato, Bologna, IT;
Federico Lancioni, San Gemini, IT;
Riccardo Nazzaro, Bologna, IT;
Sandro Sirani, San Benedetto Val Di Sambro, IT;
Magneti Marelli Powertrain S.p.A., Corbetta, IT;
Abstract
A choke valve for an intake manifold with a retracting tumble system for an engine provided with a number of cylinders, the choke valve being adapted to vary the passage section of the air through an intake duct which connects each cylinder with the intake manifold and is regulated by at least one intake valve; the choke valve comprises a butterfly mounted to rotate about an axis of rotation disposed transversely and externally with respect to the corresponding intake duct under the thrust of a corresponding rotary electric motor which comprises a stator and a rotor housed directly in the butterfly.