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US 7,832,371 B2Granted
Intake system and motorcycle including the same
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorsHideo Fujita, Hidetoshi Ishigami
Life of this patent
Estimating the term…
Abstract
A motorcycle includes an air inlet pipe, an airflow box, an air cleaner box, and a throttle body as an air passage arranged to allow outside air to be taken into the engine. The air inlet pipe is provided in a front portion of a main frame. The air inlet pipe is provided with an airflow sensor and a throttle valve. An air cleaner element is provided between the airflow sensor and the engine.
Claims13
An intake system that allows air to be taken into an engine in a motorcycle, comprising:
- an intake passage provided on a main frame of the motorcycle and arranged to guide outside air into a cylinder in the engine;
- a first filter provided in the intake passage;
- a flow rate detector provided at an upstream side of the first filter in the intake passage and arranged to detect a flow rate of air;
- and
- a flow rate adjuster arranged to adjust the flow rate of air taken into the cylinder through the intake passage based on the flow rate detected by the flow rate detector.
2 more elements
A motorcycle, comprising:
- a main frame;
- a driving wheel provided rotatably on the main frame;
- an engine that generates power;
- a transmission mechanism that transmits the power generated by the engine to the driving wheel;
- and
- an intake system that allows air to come into a cylinder in the engine, the intake system including:
- an intake passage provided in the main frame and arranged to guide outside air into a cylinder in the engine;
- a first filter provided in the intake passage;
- a flow rate detector provided at an upstream side of the first filter in the intake passage and arranged to detect a flow rate of air;
- and
- a flow rate adjuster arranged to adjust the flow rate of air taken into the cylinder through the intake passage based on the flow rate detected by the flow rate detector.
8 more elements
Dependencies are inferred from the claim text.