ENGINE

To shorten a warming-up time.SOLUTION: An engine 1 includes a cylinder block 2 having a first cooling liquid passage 7a for circulating a cooling liquid, and provided with a plurality of cylinders 5a-5d, a cylinder head 3 provided with a second cooling liquid passage 7b for circulating the cooling l...

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Bibliographische Detailangaben
Hauptverfasser: MINOWA MASAHITO, OSATO TAKUYA, MOCHIZUKI HIROSHI, FUJIMURA TOSHIKI, HORIMA DAICHI, SHIMOKAWA SATOSHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To shorten a warming-up time.SOLUTION: An engine 1 includes a cylinder block 2 having a first cooling liquid passage 7a for circulating a cooling liquid, and provided with a plurality of cylinders 5a-5d, a cylinder head 3 provided with a second cooling liquid passage 7b for circulating the cooling liquid and fixed to the cylinder block 2, a head gasket 4 disposed between the cylinder head 3 and the cylinder block 2, and provided with a plurality of circulation holes 10a-10e formed in parallel in a flowing direction of the cooling liquid in the second cooling liquid passage 7b to communicate the first cooling liquid passage 7a with the second cooling liquid passage 7b, and valves 6a-6e respectively disposed on each of the plurality of circulation holes 10a-10e for opening and closing the circulation holes 10a-10e in accordance with a liquid temperature of the cooling liquid.SELECTED DRAWING: Figure 1 【課題】暖機時間を短縮する。【解決手段】エンジン1は、冷却液を流通させる第1冷却液通路7aが形成され、複数のシリンダ5a〜5dが配置されるシリンダブロック2と、冷却液を流通させる第2冷却液通路7bが形成され、シリンダブロック2に固定されるシリンダヘッド3と、シリンダヘッド3とシリンダブロック2との間に配置され、第1冷却液通路7aと第2冷却液通路7bとを連通させる複数の流通孔10a〜10eが、第2冷却液通路7bにおける冷却液の流れ方向に並んで形成されたヘッドガスケット4と、複数の流通孔10a〜10eに対してそれぞれ設けられ、冷却液の液温に応じて流通孔10a〜10eを開閉するバルブ6a〜6eと、を備える。【選択図】図1