ENGINE ASSEMBLY INCLUDING INDEPENDENT THROTTLE CONTROL FOR DEACTIVATED CYLINDERS
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United States of America Patent
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N/A
Issued Date -
May 17, 2012
app pub date -
Nov 17, 2010
filing date -
Nov 17, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An engine assembly may include an engine structure, a first intake valve located in a first intake port, a first valve lift mechanism, a second intake valve located in a second intake port, a second valve lift mechanism, a first throttle valve, and a second throttle valve. The second intake valve may be displaced to an open position by the second valve lift mechanism during a first mode and the second intake valve may be maintained in a closed position by the second valve lift mechanism during a second mode. The first throttle valve may be in communication with an air source and the first intake port and control air flow from the air source to the first intake port. The second throttle valve may be in communication with the air source and the second intake port and control air flow from the air source to the second intake port.
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