Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Reexamination Certificate
2007-10-16
2007-10-16
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
C123S184560, C123S184210
Reexamination Certificate
active
11362642
ABSTRACT:
This invention describes an improved intake tube for internal combustion vehicles by locally increasing and then decreasing the airflow over the Mass Airflow Sensor (MAS) preventing a lean condition, which over time is catastrophic to the life of the engine. The intake tube has a cross sectional area that decreases in proximity to the MAS, causing the increase in airflow velocity of the intake air.
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Benton Jason A
Brande Lewis M.
Brande & McCleary
Cronin Stephen K.
McCleary Thomas A.
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