PROBLEM TO BE SOLVED: To provide an exhaust heat recovery system capable of improving engine warm-up efficiency.SOLUTION: This exhaust heat recovery system 100 comprises: an engine cooling water passage A cooling an engine 91; an exhaust heat recovery passage B including an exhaust heat recovery unit 10 that recovers exhaust heat of the engine 91 and transfers the exhaust heat to cooling water; a first water pump 20 circulating the cooling water in the engine cooling water passage A; a second water pump 30 circulating the cooling water in the exhaust heat recovery passage B; an oil warmer 40 transferring heat of the cooling water to engine oil; and a route switching part 60 that can switch over between the connection and non-connection of the engine cooling water passage A to the exhaust heat recovery passage B in a state where the oil warmer 40 is connected to the exhaust heat recovery passage B.SELECTED DRAWING: Figure 1
【課題】エンジンの暖機効率を向上させることが可能な排気熱回収システムを提供する。【解決手段】この排気熱回収システム100は、エンジン91を冷却するエンジン冷却水通路Aと、エンジン91の排気熱を回収して冷却水に伝達する排気熱回収器10を含む排気熱回収通路Bと、エンジン冷却水通路Aに冷却水を流通させる第1ウォータポンプ20と、排気熱回収通路Bに冷却水を流通させる第2ウォータポンプ30と、冷却水の熱をエンジンオイルに伝達するオイルウォーマ40と、排気熱回収通路Bに対してオイルウォーマ40が接続された状態で、排気熱回収通路Bに対するエンジン冷却水通路Aの接続と非接続とを切り替え可能な経路切替部60と、を備える。【選択図】図1
EXHAUST HEAT RECOVERY SYSTEM
排気熱回収システム
2016-05-12
Patent
Elektronische Ressource
Japanisch
IPC: | F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F01M Schmierung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , LUBRICATING OF MACHINES OR ENGINES IN GENERAL / 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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