Internal-combustion engines – Means to whirl fluid before – upon – or after entry into...
Reexamination Certificate
2007-07-31
2008-11-25
Kamen, Noah (Department: 3747)
Internal-combustion engines
Means to whirl fluid before, upon, or after entry into...
C123S184530
Reexamination Certificate
active
07455043
ABSTRACT:
Described herein is a variable-geometry intake manifold for an internal-combustion engine; the intake manifold is provided with: at least one intake pipe, which connects the intake manifold to at least one cylinder of the internal-combustion engine; a partialization device for varying the geometry of the intake manifold that has at least one partialization body, which is set inside the intake pipe and is provided with a shaft mounted so that it can rotate about an axis of rotation; and at least one angular-position sensor, which is designed to determine the angular position of the shaft about the axis of rotation and has a permanent magnet fixed on the shaft, and a reader, which is designed to read the orientation of the permanent magnet and is set on the outside of the intake pipe in the proximity of a wall of the intake pipe itself and in the proximity of the permanent magnet.
REFERENCES:
patent: 2005/0028871 (2005-02-01), Kurita et al.
patent: 1398475 (2004-03-01), None
patent: 1568866 (2005-08-01), None
patent: 1632660 (2006-03-01), None
patent: 2006045027 (2006-04-01), None
Lancioni Federico
Pecora Michele
Gottlieb Rackman & Reisman
Kamen Noah
Magneti Marelli Powertrain S.p.A.
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