Throttle valve control mechanism for engine
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United States of America Patent
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Mar 25, 2003
Grant Date -
N/A
app pub date -
Jul 20, 1999
filing date -
Jul 21, 1998
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A throttle valve control mechanism for an internal combustion engine. In one feature of the invention, the engine has multiple cylinders extending generally horizontally, spaced vertically relative to each other. The engine also has an air induction system extending generally horizontally. The air induction system includes a plurality of air intake ducts each having a throttle valve. Each throttle valve has a throttle valve shaft extending generally vertically and linked together. A throttle valve control mechanism is provided. The throttle valve control mechanism has a throttle lever for rotating the throttle valve and the throttle lever is movable in a plane existing generally horizontally. Almost of the other part of the throttle valve control mechanism is movable in a plane existing generally vertically. If the engine is mounted on an outboard motor and encircled by a protective cowling, the other part of the throttle valve control mechanism is placed between the engine and the protective cowling. In another feature of the invention, the throttle valve control mechanism has a non-linear device so that the throttle valve opening changes non-linearly as compared with its input operation.
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