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公开(公告)号：EP3719272A1
公开(公告)日：2020-10-07
申请号：EP20162152.1
申请日：2020-03-10
发明人： HAYAKAWA, Motoo , SEGUCHI, Junichi , WATANABE, Kazutoyo , TAKAHATA, Tatsuya , WATANABE, Shinji , MURAKAMI, Katsuya , YOKOYAMA, Nobuhiko
摘要： The cooling system includes: a radiator passage 65 that runs through a radiator 70; a radiator-bypass passage 66 that bypasses the radiator 70; a first fluid temperature sensor SW4 that acquires a fluid temperature of an engine coolant flowing through a bore passage 63 for cooling a cylinder 11; a second fluid temperature sensor SW5 that acquires the fluid temperature of the engine coolant flowing through a head passage 64 for cooling a cylinder head 13; a thermostat valve 80 arranged in the radiator passage 65; a flow rate regulator valve 90 arranged in the radiator-bypass passage 66; and an ECU 100. While controlling actuation of the thermostat valve 80 on the basis of a detection result of the first fluid temperature sensor SW4, the ECU 100 controls actuation of the flow rate regulator valve 90 on the basis of a detection result of the second fluid temperature sensor SW5.
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公开(公告)号：EP3719272A8
公开(公告)日：2020-11-25
申请号：EP20162152.1
申请日：2020-03-10
发明人： HAYAKAWA, Motoo , SEGUCHI, Junichi , WATANABE, Kazutoyo , TAKAHATA, Tatsuya , WATANABE, Shinji , MURAKAMI, Katsuya , YOKOYAMA, Nobuhiko
摘要： The cooling system includes: a radiator passage 65 that runs through a radiator 70; a radiator-bypass passage 66 that bypasses the radiator 70; a first fluid temperature sensor SW4 that acquires a fluid temperature of an engine coolant flowing through a bore passage 63 for cooling a cylinder 11; a second fluid temperature sensor SW5 that acquires the fluid temperature of the engine coolant flowing through a head passage 64 for cooling a cylinder head 13; a thermostat valve 80 arranged in the radiator passage 65; a flow rate regulator valve 90 arranged in the radiator-bypass passage 66; and an ECU 100. While controlling actuation of the thermostat valve 80 on the basis of a detection result of the first fluid temperature sensor SW4, the ECU 100 controls actuation of the flow rate regulator valve 90 on the basis of a detection result of the second fluid temperature sensor SW5.
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