Internal-combustion engines – Engine speed regulator – Having plural throttle valve structure
Reexamination Certificate
2008-01-22
2008-01-22
Kwon, John T. (Department: 3747)
Internal-combustion engines
Engine speed regulator
Having plural throttle valve structure
C123S442000
Reexamination Certificate
active
11541257
ABSTRACT:
A regulating device for regulating the air intake of an internal combustion engine, and comprising at least one throttled body having at least one air feed conduit connectable to the engine, and a first and second throttle housed in said at least one feed conduit to regulate air intake of the engine on command; the regulating device comprises a manually operated accelerator control device connected mechanically to the first throttle to rotate the first throttle about a first axis of rotation into an operating angular position related to the engine torque demanded by the user operating the accelerator control device; and electric control means for rotating the second throttle about a second axis of rotation into a target angular position determined as a function of the operating angular position of the first throttle.
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Alberghini Mirco
Fiorentini Maurizio
Grossi Claudio
Gottlieb Rackman & Reisman
Magneti Marelli Powertrain S.p.A.
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