Importance

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Abstract

An electronic throttle-control system that includes: an electronic control unit (ECU) including a processor and a memory storing a throttle-control translation map; a throttle-input sensor in electrical communication with the ECU and configured to sense an input from an operator-actuated throttle device; and a 2-stroke internal-combustion engine. The 2-stroke internal-combustion engine may include: an electronic throttle-valve actuator in electrical connection with the ECU; a throttle body for controlling airflow to combustion chambers of the engine and defining first and second throttle bores; first and second throttle valves in the bores; and a throttle valve control shaft coupled to the throttle valves and the actuator, such that movement of the actuator causes the throttle valve control shaft to rotate and move the first and second throttle valves; and a throttle-position sensor in electrical communication with the ECU sensing an actual position of the first and second throttle valves.

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First Claim