Internal-combustion engines – Engine speed regulator – Having plural throttle valve structure
Reexamination Certificate
2007-10-05
2009-06-30
Solis, Erick (Department: 3747)
Internal-combustion engines
Engine speed regulator
Having plural throttle valve structure
C123S337000, C123S308000, C123S432000, C251S286000, C251S288000
Reexamination Certificate
active
07552710
ABSTRACT:
A variable geometry intake manifold for an internal combustion engine; the intake manifold presents: at least one intake pipe which connects the intake manifold to at least one cylinder of the internal combustion engine; and a choking system to vary the geometry of the intake manifold and comprising at least one choke valve provided with a choke body, which is arranged within the intake pipe and is turnably mounted about an axis of rotation; the choke valve integrates therein a pair of mechanical stoppers, which respectively determine the location of an active position and of a home position of the choke body.
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European Search Report dated Mar. 5, 2007 based on European application No. EP06425680.
Fornara Stefano
Lancioni Federico
Pecora Michele
Magneti Marelli Powertrain S.p.A.
Ohlandt Greeley Ruggiero & Perle L.L.P.
Solis Erick
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