PROBLEM TO BE SOLVED: To provide a combine-harvester capable of preventing decrease in nitrogen-oxide purification performance of a urea purification unit by circulating air exhausted by a cooling fan, around a periphery of the urea purification unit.SOLUTION: A cooling fan (42) for cooling an air conditioner provided at a steering part (5), is provided on a rear wall of a cabin (40) covering the steering part (5); a cockpit frame (50) provided on the rear side of the steering part (5) and extending in the horizontal direction, and a thresher frame (63) provided on an upper side of a right wall (4B) of the thresher (4) and extending in the horizontal direction are connected to each other with a purification unit frame (20); and an exhaust purification unit (12) for purifying impurities in exhaust gas to be exhausted from an engine, and a urea purification unit (14) for purifying nitrogen oxide are juxtaposed on an upper face of the purification unit frame (20), where the urea purification unit (14) faces the rear side of the cooling fan (42).SELECTED DRAWING: Figure 7

    【課題】冷却ファンで排気された空気を尿素浄化装置の周囲に流通させて冷却し、尿素浄化装置の窒素酸化物の浄化性能の低下を防止することができるコンバインを提供する。【解決手段】操縦部(5)を覆うキャビン(40)の後壁に、操縦部(5)に備えられた空調装置を冷却する冷却ファン(42)を設け、操縦部(5)の後部に設けられた左右方向に延在する操縦席フレーム(50)と脱穀装置(4)の右壁(4B)の上部に設けられた前後方向に延在する脱穀装置フレーム(63)を浄化装置フレーム(20)で連結し、浄化装置フレーム(20)の上面に、エンジンから排出される排気ガス中の不純物を浄化する排気浄化装置(12)と窒素酸化物を浄化する尿素浄化装置(14)を並設し、尿素浄化装置(14)を冷却ファン(42)の後側に臨ませた。【選択図】図7


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    Title :

    COMBINE-HARVESTER


    Additional title:

    コンバイン


    Contributors:

    Publication date :

    2018-10-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    A01D Ernten , HARVESTING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein



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