JP2024006546A - 水素供給装置及び水素エンジン車両 - Google Patents
水素供給装置及び水素エンジン車両 Download PDFInfo
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 430
- 239000001257 hydrogen Substances 0.000 title claims abstract description 305
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 305
- 239000007788 liquid Substances 0.000 claims abstract description 108
- 239000006200 vaporizer Substances 0.000 claims abstract description 24
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 19
- 239000001307 helium Substances 0.000 claims description 15
- 229910052734 helium Inorganic materials 0.000 claims description 15
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Abstract
Description
Claims (10)
- 水素供給装置であって、
液体水素タンクに貯留された液体水素を昇圧する液体水素ポンプと、
前記液体水素ポンプから吐出された液体水素を水素ガスとする気化器と、
前記気化器から流出した水素ガスが充填され、充填された水素ガスを水素エンジンに供給する圧力チャンバと、
前記液体水素ポンプの吐出流量を調整するポンプ制御ユニットと、を備え、
前記ポンプ制御ユニットは、前記水素エンジンに供給される水素流量と、前記圧力チャンバの実圧力と、に基づいて前記液体水素ポンプの吐出流量を調整すること、
を特徴とする水素供給装置。 - 請求項1に記載の水素供給装置であって、
前記ポンプ制御ユニットは、前記圧力チャンバの前記実圧力が目標圧力となるように前記液体水素ポンプの吐出流量を調整すること、
を特徴とする水素供給装置。 - 請求項2に記載の水素供給装置であって、
前記圧力チャンバの前記実圧力を検出する圧力センサを備え、
前記ポンプ制御ユニットは、
前記水素エンジンに供給する水素ガスの目標流量と前記水素エンジンに供給される水素ガスの実流量を検出する流量センサで検出した水素ガスの前記実流量とのいずれか一方又は両方が前記水素エンジンに供給する水素流量を調整するエンジン制御ユニットから入力され、
水素ガスの前記目標流量と水素ガスの前記実流量とのいずれか一方又は両方と、前記圧力センサで検出した前記圧力チャンバの前記実圧力と、に基づいて前記液体水素ポンプの吐出流量を調整すること、
を特徴とする水素供給装置。 - 請求項2に記載の水素供給装置であって、
前記圧力チャンバの前記実圧力を検出する圧力センサと、
前記水素エンジンに供給される水素ガスの実流量を検出する流量センサと、を備え、
前記ポンプ制御ユニットは、前記流量センサで検出した水素ガスの前記実流量と、前記圧力センサで検出した前記圧力チャンバの前記実圧力と、に基づいて前記液体水素ポンプの吐出流量を調整すること、
を特徴とする水素供給装置。 - 請求項1から4のいずれか1項に記載の水素供給装置であって、
前記圧力チャンバの容量は、前記水素エンジンの最大水素消費流量の30秒から60秒の容量であること、
を特徴とする水素供給装置。 - 請求項1から4のいずれか1項に記載の水素供給装置であって、
前記気化器は、液体水素とヘリウムとの間で熱交換を行う熱交換器であり、
ヘリウムと前記水素エンジンの冷却油との間で熱交換を行い、ヘリウムを加温する加温器を備えること、
を特徴とする水素供給装置。 - 車両駆動用の水素エンジンと、
前記水素エンジンに水素ガスを供給する水素供給装置と、を備える水素エンジン車両であって、
前記水素供給装置は、
液体水素タンクに貯留された液体水素を昇圧する液体水素ポンプと、
前記液体水素ポンプから吐出された液体水素を水素ガスとする気化器と、
前記気化器から流出した水素ガスが充填され、充填された水素ガスを前記水素エンジンに供給する圧力チャンバと、
前記液体水素ポンプの吐出流量を調整するポンプ制御ユニットと、を含み、
前記ポンプ制御ユニットは、前記水素エンジンに供給される水素流量と、前記圧力チャンバの実圧力と、に基づいて前記液体水素ポンプの吐出流量を調整すること、
を特徴とする水素エンジン車両。 - 請求項7に記載の水素エンジン車両であって、
前記ポンプ制御ユニットは、前記圧力チャンバの前記実圧力が目標圧力となるように前記液体水素ポンプの吐出流量を調整すること、
を特徴とする水素エンジン車両。 - 請求項8に記載の水素エンジン車両であって、
前記水素エンジンに供給する水素流量を調整するエンジン制御ユニットと、
前記水素エンジンに供給される水素ガスの実流量を検出する流量センサと、を備え、
前記水素供給装置が、前記圧力チャンバの前記実圧力を検出する圧力センサを備え、
前記ポンプ制御ユニットは前記エンジン制御ユニットと接続され、前記水素エンジンに供給する水素ガスの目標流量と水素ガスの前記実流量とのいずれか一方又は両方が前記エンジン制御ユニットから入力され、
水素ガスの前記目標流量と水素ガスの前記実流量とのいずれか一方又は両方と、前記圧力センサで検出した前記圧力チャンバの前記実圧力と、に基づいて前記液体水素ポンプの吐出流量を調整すること、
を特徴とする水素エンジン車両。 - 請求項9に記載の水素エンジン車両であって、
アクセルと、
前記アクセルの開度を検出する開度センサと、を備え、
前記エンジン制御ユニットは、前記開度センサで検出した前記アクセルの前記開度に基づいて前記水素エンジンに供給する水素ガスの前記目標流量を算出して前記ポンプ制御ユニットに出力すること、
を特徴とする水素エンジン車両。
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EP23181254.6A EP4303426A1 (en) | 2022-07-04 | 2023-06-23 | Hydrogen supplying device and hydrogen engine vehicle |
US18/342,735 US11971142B2 (en) | 2022-07-04 | 2023-06-28 | Hydrogen supplying device and hydrogen engine vehicle |
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