SUCTION MANIFOLD WITH A PNEUMATIC ACTUATOR MECHANICALLY COUPLED TO A SHAFT OF A CHOKING DEVICE BY MEANS OF A RACK
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United States of America Patent
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N/A
Issued Date -
Jan 28, 2010
app pub date -
Jul 23, 2009
filing date -
Jul 24, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A suction manifold for an internal combustion engine provided with a head in which a number of cylinders are obtained; the suction manifold displays: a body of the suction manifold in which a suction chamber, which receives fresh air from the external environment, and a number of suction pipes, each of which connects the suction chamber to a corresponding cylinder of the internal combustion engine, are defined and which ends with an outlet mouth; and a choking system for varying the geometry of the suction manifold and comprising, for each suction pipe, a corresponding choking valve provided with a choking element, which is arranged inside the suction pipe and is fitted to a shaft which is rotated about a rotation axis by an actuator device; the shaft of the choking system is provided with a toothed wheel arranged at one end of the shaft itself; and the actuator device displays a movable rod, which is linearly movable and provided with a rack which meshes with the toothed wheel of the shaft of the choking system.
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