Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sandro Sirani0
Eugenio Dragoni0
Marcello Colli0
Nazario Bellato0
Date of Patent
July 8, 2008
0Patent Application Number
116011900
Date Filed
November 17, 2006
0Patent Primary Examiner
Patent abstract
A choke device for an intake system of an internal combustion engine; the choke device has at least one choke body fitted movably inside an intake conduit, and an actuating device for moving the choke body to and from a work position in which the choke body reduces the cross section of the intake conduit; and the actuating device has a filiform actuating member made of a shape-memory material that changes shape when subjected to physical external stress, and having a first portion embedded in the choke body, and a second portion located outside the choke body and secured mechanically to a fixed part.
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