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US 2016/0237918 A1Published application
Electronic throttle valve
AssigneeDenso Corporation
InventorsTakuma UCHIDA, Akira HIGUCHI, Yasushi KAWANO
Life of this patent
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Abstract
A housing defines a bore in a tubular shape to draw intake air to an engine. A shaft is supported rotationally relative to the housing. A valve is located in the bore and affixed to the shaft. An electric actuator is configured to rotate one end of the shaft. A load generating unit is configured to apply a biasing load onto the shaft from the one end of the shaft toward the bore in a high-temperature state in which a temperature is higher than a predetermined temperature.
Claims4
An electronic throttle device comprising:
- a housing defining a bore in a tubular shape to draw intake air to an engine;
- a shaft supported rotationally relative to the housing;
- a valve located in the bore and affixed to the shaft;
- an electric actuator configured to rotate one end of the shaft;
- and
- a load generating unit configured to apply a biasing load onto the shaft from the one end of the shaft toward the bore in a high-temperature state in which a temperature is higher than a predetermined temperature.
3 more elements
Dependencies are inferred from the claim text.