Four-cycle engine
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United States of America Patent
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-
Feb 11, 2003
Grant Date -
N/A
app pub date -
Sep 18, 2000
filing date -
Sep 17, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A four-cycle engine includes an improved construction that is provided with an air induction system, which is suitable for low speed engine operations and which can provide an easy assembling and/or maintenance work. The engine has multiple cylinders arranged in a V-configuration. An air induction system supplies air to combustion chambers of the cylinders and includes a pair of plenum chamber members. The plenum chamber members are generally disposed on an opposite side of a crankcase relative to a crankshaft. Both the plenum chamber members are positioned in close vicinity to each other. Each one of the plenum chamber members defines a plenum. A balance pipe is affixed to both the plenum chamber members to couple together the plenum chambers.
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