HYDROGEN ENGINE
To provide a hydrogen engine which can restrain occurrence of backfire and can achieve high engine efficiency.SOLUTION: A hydrogen engine using fuel gas containing hydrogen includes: a cylinder; a piston which can move in the cylinder; a cylinder head which forms a combustion chamber between the pis...
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Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a hydrogen engine which can restrain occurrence of backfire and can achieve high engine efficiency.SOLUTION: A hydrogen engine using fuel gas containing hydrogen includes: a cylinder; a piston which can move in the cylinder; a cylinder head which forms a combustion chamber between the piston and the cylinder head, and includes an intake port connected to the combustion chamber, and a fuel supply port connected to the combustion chamber; an intake valve for opening and closing the intake port; a fuel supply valve for opening and closing the fuel supply port; and a valve train which is provided commonly for the intake valve and the fuel supply valve so as to open and close the intake valve and the fuel supply valve in an interlocking manner. Valve opening timing of the fuel supply valve is retarded from valve opening timing of the intake valve.SELECTED DRAWING: Figure 4
【課題】逆火の発生を抑制するとともに高いエンジン効率を実現することができる水素エンジンを提供する。【解決手段】水素を含む燃料ガスを使用する水素エンジンであって、シリンダと、シリンダ内を移動可能なピストンと、ピストンとの間に燃焼室を形成し、燃焼室に接続する吸気ポートと燃焼室に接続する燃料供給ポートを含むシリンダヘッドと、吸気ポートを開閉するための吸気弁と、燃料供給ポートを開閉するための燃料供給弁と、吸気弁と燃料供給弁とに共通して設けられ、吸気弁と燃料供給弁とを連動させて開閉するように構成された動弁機構と、を備え、燃料供給弁の開弁タイミングが吸気弁の開弁タイミングよりも遅角側となるように構成される。【選択図】 図4 |
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