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1. 发明申请

US20160053735A1 STARTING DEVICE FOR GAS INTERNAL COMBUSTION ENGINE 有权
标题翻译：燃气内燃机启动装置
公开(公告)号：US20160053735A1
公开(公告)日：2016-02-25
申请号：US14779937
申请日：2014-01-28
申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.
发明人： Hideki Nishio , Michiyasu Ishida , Hirotoshi Kitagawa
IPC分类号： F02N9/04 , F02N15/10
CPC分类号： F02N9/04 , F01N3/323 , F01N9/00 , F01N2900/08 , F01N2900/1404 , F01N2900/1628 , F02B21/00 , F02D19/02 , F02D19/025 , F02D41/0027 , F02D41/123 , F02D41/22 , F02D2041/225 , F02M65/006 , F02N15/10 , F02N2200/022 , G01M15/046 , Y02T10/32 , Y02T10/47
摘要： An object of the present invention is to provide a starting device for a gas internal combustion engine whereby non-combusted gas accumulating in the gas internal combustion engine and an exhaust channel is discharged before ignition startup of the gas internal combustion engine and abnormal combustion of the gas internal combustion engine is prevented so as to improve safety, breakage prevention, durability and reliability. A starting device of a gas internal combustion engine 1 having an air starting device 30 includes a rotation-speed detection unit of the gas internal combustion engine 1, a compressed-air introduction unit 5 for supplying compressed air to each of cylinders according to an order of an ignition timing of the gas internal combustion engine 1, a compressed-air supply unit 3 for supplying the compressed air to the compressed-air introduction unit 5, and a control device 2 including a cumulative rotation-speed setting device 21 whereby an operator can set a threshold value of a cumulative rotation speed optionally, the control device 2 being configured to halt supply of the compressed air by the compressed-air supply unit 3 when a set cumulative rotation speed is achieved on the basis of the rotation speed detected by the rotation-speed detection unit.
摘要翻译：本发明的目的是提供一种用于气体内燃机的启动装置，由此在气体内燃机的点火起动之前积聚在气体内燃机中的不燃烧气体和排气通道被排出，防止气体内燃机，从而提高安全性，防破坏性，耐久性和可靠性。具有空气启动装置30的气体内燃机1的起动装置具有气体内燃机1的转速检测部，按照顺序向每个气缸供给压缩空气的压缩空气导入部5 气体内燃机1的点火正时，用于向压缩空气导入单元5供给压缩空气的压缩空气供给单元3以及包括累积转速设定装置21的控制装置2，可以可选地设定累积转速的阈值，所述控制装置2构成为，当基于由所述压缩空气供给部3检测出的转速而设定的累计转速时，停止由所述压缩空气供给部3供给的压缩空气转速检测单元。

2. 发明申请

US20160061176A1 EXHAUST PURGE DEVICE FOR GAS INTERNAL COMBUSTION ENGINE 有权
标题翻译：用于气体内燃机的排气装置
公开(公告)号：US20160061176A1
公开(公告)日：2016-03-03
申请号：US14779959
申请日：2014-01-29
申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.
发明人： Hideki Nishio , Michiyasu Ishida , Hirotoshi Kitagawa
IPC分类号： F02N19/00 , F01N3/021 , F01N3/32 , F01N9/00 , F01N13/08
CPC分类号： F02N19/001 , F01N3/021 , F01N3/32 , F01N9/00 , F01N13/08 , F01N2260/06 , F01N2900/08 , F02B29/00 , F02D19/023 , F02D41/0027 , F02D41/042 , Y02T10/146 , Y02T10/20 , Y02T10/32
摘要： An object of the present invention is to provide a starting device for a gas internal combustion engine whereby non-combusted gas accumulating in the gas internal combustion engine and an exhaust channel is discharged during ignition startup of the gas engine and abnormal combustion is prevented so as to improve safety, breakage prevention, durability and reliability. An exhaust purge device for a gas internal combustion engine 1 which operates using flammable gas as fuel includes an exhaust channel 16 forming an exhaust channel of the gas internal combustion engine 1, a blast pipe 71 connected to an upstream portion of the exhaust pipe at one end, an exhaust purge fan 7 connected to another end of the blast pipe 71 and configured to send ambient air to the exhaust channel 16, and a control device 2 for performing a control to drive the exhaust purge fan 7. The control device 2 includes: a purge-fan operation determination part 24 configured to determine whether the exhaust purge fan 7 has been operated; and a purge-fan operation command part 28 configured to operate the exhaust purge fan for a set time if it is determined that the exhaust purge fan has not been operated.
摘要翻译：本发明的目的是提供一种用于气体内燃机的启动装置，由此在燃气发动机的起动启动期间积聚在气体内燃机中的不燃烧气体和排气通道被排出，并且防止异常燃烧，从而提高安全性，防破坏，耐用性和可靠性。用于使用可燃气体作为燃料进行操作的气体内燃机1的排气净化装置包括形成气体内燃机1的排气通道的排气通道16，在一个排气管的上游部分连接的鼓风管71 连接到鼓风管71的另一端并被配置为向排气通道16输送环境空气的排气净化风扇7以及用于执行驱动排气净化风扇7的控制的控制装置2.控制装置2包括：净化风扇动作判定部24，被构造为判断排气净化风扇7是否已经动作; 以及如果确定排气净化风扇未被操作，则被配置为在排气净化风扇运转设定时间的排气风扇运转指令部28。

3. 发明授权

US09816891B2 Gas internal combustion engine gas leak checking device and method for same 有权
公开(公告)号：US09816891B2
公开(公告)日：2017-11-14
申请号：US14779949
申请日：2014-02-19
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： Michiyasu Ishida , Hirotoshi Kitagawa
IPC分类号： F23N5/24 , F02D19/02 , G01M3/02 , F23K5/00 , F02M21/02 , G01M15/09
CPC分类号： G01M3/025 , F02D19/025 , F02D19/027 , F02M21/0242 , F02M21/0293 , F23K5/007 , F23K2900/05001 , F23N5/242 , F23N2031/18 , G01M15/09 , Y02T10/32
摘要： An object of the present invention is to provide a gas leakage checking device and a method for the same, for checking fuel-gas leakage of safety shutoff valves simply and securely by measuring a pressure in a fuel supply pipe. The gas-leakage checking device 8 includes a first safety shutoff valve 81 disposed in a fuel-gas supply pipe 89 of the gas internal combustion engine 1 for permitting or shutting off a flow of the fuel gas, a second safety shutoff valve 82 disposed on a downstream side of the first safety shutoff valve 81, a gas-leakage checking pipe 89c branched from between the first and second safety shutoff valves 81, 82, a gas-discharge valve 83 disposed in the gas-leakage checking pipe 89c and configured to discharge the fuel gas between the first and second safety shutoff valves 81, 82, a first pressure meter P1 for detecting a pressure of the fuel gas in the gas-leakage checking pipe 89c, and second pressure meters P2, P3 disposed on a downstream side of the second safety shutoff valve 82, for detecting the pressure of the fuel gas in the fuel-gas supply pipe 89.

4. 发明授权

US09777692B2 Exhaust purge device for gas internal combustion engine 有权
公开(公告)号：US09777692B2
公开(公告)日：2017-10-03
申请号：US14779959
申请日：2014-01-29
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： Hideki Nishio , Michiyasu Ishida , Hirotoshi Kitagawa
IPC分类号： F02N19/00 , F02B29/00 , G01N3/32 , F02D19/02 , F01N3/32 , F02D41/04 , F02D41/00 , F01N3/021 , F01N9/00 , F01N13/08
CPC分类号： F02N19/001 , F01N3/021 , F01N3/32 , F01N9/00 , F01N13/08 , F01N2260/06 , F01N2900/08 , F02B29/00 , F02D19/023 , F02D41/0027 , F02D41/042 , Y02T10/146 , Y02T10/20 , Y02T10/32
摘要： In particular embodiments, a starting device for a gas internal combustion engine whereby non-combusted gas accumulating in the gas internal combustion engine and an exhaust channel is discharged during ignition startup of the gas engine and abnormal combustion is reduced in the occurrence so as to improve safety, breakage prevention, durability and reliability. An exhaust purge device for a gas internal combustion engine 1, which operates using flammable gas as fuel, includes an exhaust channel 16 forming an exhaust channel of the gas internal combustion engine 1, a blast pipe 71 connected to an upstream portion of the exhaust pipe at a first end, an exhaust purge fan 7 connected to a second end of the blast pipe 71 and configured to send ambient air to the exhaust channel 16, and a control device 2 for performing a control to drive the exhaust purge fan 7.

5. 发明申请

US20160061685A1 GAS INTERNAL COMBUSTION ENGINE GAS LEAK CHECKING DEVICE AND METHOD FOR SAME 有权
标题翻译：气体内燃机气体泄漏检查装置及其方法
公开(公告)号：US20160061685A1
公开(公告)日：2016-03-03
申请号：US14779949
申请日：2014-02-19
申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.
发明人： Michiyasu Ishida , Hirotoshi Kitagawa
IPC分类号： G01M3/02 , G01M15/09
CPC分类号： G01M3/025 , F02D19/025 , F02D19/027 , F02M21/0242 , F02M21/0293 , F23K5/007 , F23K2900/05001 , F23N5/242 , F23N2031/18 , G01M15/09 , Y02T10/32
摘要： An object of the present invention is to provide a gas leakage checking device and a method for the same, for checking fuel-gas leakage of safety shutoff valves simply and securely by measuring a pressure in a fuel supply pipe. The gas-leakage checking device 8 includes a first safety shutoff valve 81 disposed in a fuel-gas supply pipe 89 of the gas internal combustion engine 1 for permitting or shutting off a flow of the fuel gas, a second safety shutoff valve 82 disposed on a downstream side of the first safety shutoff valve 81, a gas-leakage checking pipe 89c branched from between the first and second safety shutoff valves 81, 82, a gas-discharge valve 83 disposed in the gas-leakage checking pipe 89c and configured to discharge the fuel gas between the first and second safety shutoff valves 81, 82, a first pressure meter P1 for detecting a pressure of the fuel gas in the gas-leakage checking pipe 89c, and second pressure meters P2, P3 disposed on a downstream side of the second safety shutoff valve 82, for detecting the pressure of the fuel gas in the fuel-gas supply pipe 89.
摘要翻译：本发明的目的是提供一种气体泄漏检查装置及其方法，用于通过测量燃料供给管中的压力简单且可靠地检查安全截止阀的燃料气体泄漏。气体泄漏检查装置8包括：第一安全截止阀81，设置在气体内燃机1的燃料气体供给管89中，用于允许或关闭燃料气体的流动;第二安全截止阀82，第一安全截止阀81的下游侧，从第一和第二安全截止阀81,82之间分支的气体泄漏检查管89c，设置在气体泄漏检查管89c中的排气阀83，在第一和第二安全截止阀81,82之间排出燃料气体，用于检测气体泄漏检查管89c中的燃料气体的压力的第一压力计P1和设置在下游侧的第二压力计P2，P3 用于检测燃料气体供给管89中的燃料气体的压力的第二安全截止阀82。

6. 发明授权

US09920729B2 Starting device for gas internal combustion engine 有权
公开(公告)号：US09920729B2
公开(公告)日：2018-03-20
申请号：US14779937
申请日：2014-01-28
申请人： Mitsubishi Heavy Industries, Ltd.
发明人： Hideki Nishio , Michiyasu Ishida , Hirotoshi Kitagawa
IPC分类号： F02N9/04 , F02D19/02 , F02N15/10 , F02M65/00 , F01N9/00 , F02B21/00 , G01M15/04 , F02D41/22 , F02D41/00 , F01N3/32 , F02D41/12
CPC分类号： F02N9/04 , F01N3/323 , F01N9/00 , F01N2900/08 , F01N2900/1404 , F01N2900/1628 , F02B21/00 , F02D19/02 , F02D19/025 , F02D41/0027 , F02D41/123 , F02D41/22 , F02D2041/225 , F02M65/006 , F02N15/10 , F02N2200/022 , G01M15/046 , Y02T10/32 , Y02T10/47
摘要： Embodiments may provide a starting device for a gas internal combustion engine whereby non-combusted gas accumulating in the gas internal combustion engine and an exhaust channel is discharged before ignition startup of the gas internal combustion engine and abnormal combustion of the gas internal combustion engine is prevented so as to improve safety, breakage prevention, durability and reliability. A starting device of a gas internal combustion engine 1 having an air starting device 30 includes a rotation-speed detection unit of the gas internal combustion engine 1, a compressed-air introduction unit 5 for supplying compressed air to each of cylinders according to an order of an ignition timing of the gas internal combustion engine 1, a compressed-air supply unit 3 for supplying the compressed air to the compressed-air introduction unit 5, and a control device 2 including a cumulative rotation-speed setting device 21 whereby an operator can set a threshold value of a cumulative rotation speed optionally, the control device 2 being configured to halt supply of the compressed air by the compressed-air supply unit 3 if a set cumulative rotation speed is achieved on the basis of the rotation speed detected by the rotation-speed detection unit.

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