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公开(公告)号：EP3392487A1
公开(公告)日：2018-10-24
申请号：EP16886541.8
申请日：2016-12-27
发明人： KOSHIBA, Yuki , YOSHIZUMI, Hiroshi
CPC分类号： F02B19/10 , F02B19/1085 , F02B19/12 , F02B43/00 , F02D19/023 , F02D19/024 , F02D19/027 , F02D35/027 , F02D41/0027 , F02M21/0218 , F02M21/0239 , F02M21/0242 , Y02T10/125 , Y02T10/32
摘要： A precombustion-chamber type gas engine, comprising includes: a check valve disposed in the precombustion-chamber gas supply passage and configured to block a backflow of fuel gas from a precombustion chamber; a supply pressure control valve which is disposed on an upstream side of the check valve in the precombustion-chamber gas supply passage and which is capable of adjusting a pressure of the fuel gas to be supplied to the precombustion chamber; a torch strength information acquisition device configured to obtain torch strength information correlated to strength of a torch from the injection nozzle, on the basis of a pressure in the main chamber and a pressure in the precombustion chamber; a precombustion-chamber gas supply amount calculation device configured to calculate an amount of the fuel gas to be supplied to a precombustion-chamber gas supply amount, on the basis of the torch strength information and correlation information representing a correlation between the torch strength information, a thermal efficiency, and the precombustion-chamber gas supply amount; and a precombustion-chamber gas supply pressure control device configured to control the supply pressure control valve on the basis of the precombustion-chamber gas supply amount calculated by the precombustion-chamber gas supply amount calculation device.
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公开(公告)号：EP3078828B1
公开(公告)日：2019-03-20
申请号：EP13898118.8
申请日：2013-11-27
发明人： KOSHIBA, Yuki , ODA, Yuji , YAMADA, Satoshi , KOMATSU, Hiromi
IPC分类号： F02B31/00 , F02F1/42 , F02M35/104 , F02M35/10
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公开(公告)号：EP3392487B1
公开(公告)日：2020-02-05
申请号：EP16886541.8
申请日：2016-12-27
发明人： KOSHIBA, Yuki , YOSHIZUMI, Hiroshi
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