PROBLEM TO BE SOLVED: To drive a combine by efficiently converting energy of a hydrogen fuel into power energy.SOLUTION: A combine is configured to travel on a farm field by a travel device being driven by a travel driving mechanism 6, reap a grain culm by a reaping device being driven by a reaping driving mechanism 5, then thresh the grain culm reaped by the thresher being driven by a threshing driving mechanism, and the combine is further configured to supply power which is generated by a fuel battery 2 for causing chemical reaction of hydrogen in a hydrogen tank 1 and oxygen in the air to an electric motor 3 for driving a hydraulic pressure stepless speed variator 4, then drive a part or all of respective driving mechanisms of the combine by rotary power of a hydraulic motor 4a of the hydraulic pressure stepless speed variator 4.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】本発明は、水素燃料の持っているエネルギーを効率よく動力エネルギーに変換してコンバインを駆動することを課題とする。【解決手段】走行駆動機構６で駆動する走行装置で圃場を走行して刈取駆動機構５で駆動する刈取装置で穀稈を刈り取り、脱穀駆動機構で駆動する脱穀装置で刈り取った穀稈を脱穀するコンバインにおいて、水素タンク１の水素と空気中の酸素を化学反応させる燃料電池２で発生する電力を電動モータ３に供給して油圧無段変速装置４を駆動し、該油圧無段変速装置４の油圧モータ４ａの回転動力でコンバインの各駆動機構の一部或いは全部を駆動するコンバインとする。【選択図】図１
