PROBLEM TO BE SOLVED: To solve the problem that when hot air with which an engine is filled in idling is suctioned again, response of an engine delays, thereby reducing torque.SOLUTION: A suctioned air taking-in structure is configured such that a suctioned air taking-in port of a suctioned air passage communicating with an air cleaner of an engine is disposed in front of a heat exchanger, a bypass passage is provided from the suctioned air passage between the suctioned air taking-in port and the air cleaner, and the bypass passage communicates with the inside of a radiator fan shroud. The suctioned air taking-in structure can suction outside air even in idling, by negative pressure occurring in the bypass passage from a radiator fan.SELECTED DRAWING: Figure 2
【課題】アイドリング時にエンジン内に充満する熱風を再吸気すると、エンジンのレスポンスが遅れる、トルクが低下するといった問題が発生する。【解決手段】エンジンのエアクリーナに通じる吸気経路の吸気取入れ口を熱交換器より前方に配設し、前記吸気取入れ口と前記エアクリーナの間の前記吸気経路からバイパス経路を設け、前記バイパス経路はラジエタファンシュラウド内に通じることを特徴とする吸気取入れ構造は、バイパス経路に発生するラジエタファンによる負圧によって、アイドリング時でも外気を吸気することができる。【選択図】図2
SUCTIONED AIR TAKING-IN STRUCTURE
吸気取入れ構造
2018-07-05
Patent
Electronic Resource
Japanese
IPC: | F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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