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1. 发明申请

US20130110377A1 Fuel Injection Apparatus for Internal Combustion Engine 审中-公开
标题翻译：内燃机燃油喷射装置
公开(公告)号：US20130110377A1
公开(公告)日：2013-05-02
申请号：US13660406
申请日：2012-10-25
申请人： Hitachi Automotive Systems, Ltd.
发明人： Yoshihiro SUKEGAWA , Tomoyuki Murakami , Masayuki Saruwatari , Kosuke Kanda
IPC分类号： F02D41/34
CPC分类号： F02D41/345 , F02D13/0265 , F02D41/0062 , F02D2041/001 , F02M26/01 , Y02T10/44 , Y02T10/47
摘要： A fuel injection apparatus for an internal combustion engine of port injection type is configured to change a ratio between a fuel injection period in an exhaust stroke and one in an inlet stroke in accordance with an internal EGR rate.
摘要翻译：一种用于端口喷射型内燃机的燃料喷射装置被配置为根据内部EGR率改变排气行程中的燃料喷射期间与入口行程中的燃料喷射期间之间的比率。

2. 发明授权

US11319892B2 Internal-combustion engine control device 有权
公开(公告)号：US11319892B2
公开(公告)日：2022-05-03
申请号：US16626643
申请日：2018-07-05
申请人： Hitachi Automotive Systems, Ltd.
发明人： Yoshihiro Sukegawa , Toshihiro Aono , Masayuki Saruwatari
IPC分类号： F02D41/22 , F02D35/02 , F02D41/00 , F02D41/40 , F02P5/15
摘要： Provided is a novel internal-combustion engine control device that can accurately determine a combustion state of an air-fuel mixture in a combustion chamber even in a case where operation is switched between a steady operation state and a transient operation state. For this purpose, the internal-combustion engine control device includes a physical quantity detection unit that detects a physical quantity that fluctuates output of the internal-combustion engine, an output fluctuation value calculation unit that calculates an output fluctuation value for each cylinder based on a detection result of the physical quantity detection unit, and a state determination unit that determines a transient operation state or a steady operation state based on a difference or a ratio between a first output fluctuation value of a predetermined first cylinder and a second output fluctuation value of a predetermined second cylinder calculated by the output fluctuation value calculation unit. Since combustion failure determination is performed in a section determined as the steady state, it is possible to accurately determine a combustion failure state of an air-fuel mixture of a cylinder even in a case where operation is switched between the steady operation state and the transient operation state.

3. 发明授权

US11105282B2 Control device and control method 有权
公开(公告)号：US11105282B2
公开(公告)日：2021-08-31
申请号：US17051358
申请日：2019-04-22
申请人： Hitachi Automotive Systems, Ltd.
发明人： Yoshihiro Sukegawa , Atsushi Shimada , Masayuki Saruwatari
IPC分类号： F02D41/00 , F02M25/022 , F02M25/03
摘要： Provided is a control device for an internal combustion engine, which can control an injection amount of water injected into each cylinder of the internal combustion engine to a minimum injection amount that allows knock to be suppressed for each cylinder. Therefore, in a control device 1 that controls water supply valves 35 (water supply devices) that supply water into each of combustion chambers of a plurality of cylinders R (cylinders R1 to R3 in the embodiment) of an internal combustion engine 100, the control device 1 includes a water supply amount calculation unit 2 that calculates a supply amount of water supplied to each of the combustion chambers of the plurality of cylinders R1 to R3 for each cylinder, and a water supply control unit 3 that controls the water supply valves 35 based on the supply amount of water calculated by the water supply amount calculation unit 2 for each cylinder.

4. 发明授权

US10808630B2 Control device for internal combustion engine 有权
公开(公告)号：US10808630B2
公开(公告)日：2020-10-20
申请号：US16485849
申请日：2018-01-31
申请人： HITACHI AUTOMOTIVE SYSTEMS, LTD.
发明人： Naoki Yoneya , Masayuki Saruwatari
IPC分类号： F02D15/00 , F02D43/00 , F02D41/02 , F02M26/06 , F02D45/00 , F02P5/153
摘要： There is a problem of a difficulty in estimating the temporal change of the MBT for each of cylinders with light calculation load and high accuracy. An object of the present invention is to provide a control device capable of detecting a temporal change in the fuel efficiency optimum ignition timing (MBT) for each of cylinders. Therefore, the control device for internal combustion engine includes a control unit (CPU) that estimates an optimum ignition timing of each of cylinders from the relationship between the phase angle (θTmax) at which the torque peaks and the phase angle (θPmax) at which the in-cylinder pressure peaks with respect to the ignition timing of the cylinder.

5. 发明授权

US09394847B2 Fuel injection control apparatus for internal combustion engine 有权
标题翻译：内燃机燃油喷射控制装置
公开(公告)号：US09394847B2
公开(公告)日：2016-07-19
申请号：US14099173
申请日：2013-12-06
申请人： Hitachi Automotive Systems, Ltd.
发明人： Yoshihiro Sukegawa , Masayuki Saruwatari , Kohsuke Kanda , Yoshitatsu Nakamura
IPC分类号： F02D7/00 , F02D41/34 , F02D41/18 , F02D13/02 , F02D41/10 , F02D11/10 , F02D41/00 , F02D41/14 , F02D41/28
CPC分类号： F02D41/345 , F02D13/0219 , F02D41/107 , F02D41/182 , F02D2011/102 , F02D2041/001 , F02D2041/1432 , F02D2041/286 , F02D2200/021 , F02D2200/0402 , F02D2200/0404 , F02D2200/0406 , F02D2200/101 , Y02T10/18 , Y02T10/44
摘要： A fuel injection control apparatus for fuel injection at optimum timing in correspondence with level of gas flow velocity in an intake port upon intake stroke injection. A fuel injection valve is controlled so as to set a large majority (more than half) of an injection period to inject fuel during an intake stroke in respective cylinders within a period where intake port gas pressure is increased. Upon intake stroke injection, the fuel is injected at optimum timing in correspondence with the direction and the level of gas flow velocity in the intake port. Accordingly, the status of air-fuel mixture in a combustion chamber is excellent. It is possible to improve fuel consumption and to reduce exhaust emission.
摘要翻译：一种燃料喷射控制装置，用于在进气冲程喷射时与进气口中的气体流速的水平对应的最佳定时进行燃料喷射。燃料喷射阀被控制成在进气口气体压力增加的时段内，在各个气缸中的进气冲程期间设定喷射周期的大部分（大于一半）喷射燃料。在进气行程喷射时，根据进气口中的气体流速的方向和水平，以最佳定时喷射燃料。因此，燃烧室中的空气 - 燃料混合物的状态是优异的。可以提高燃料消耗和减少废气排放。

6. 发明授权

US11118523B2 Control device 有权
公开(公告)号：US11118523B2
公开(公告)日：2021-09-14
申请号：US16328866
申请日：2017-08-02
申请人： Hitachi Automotive Systems, Ltd.
发明人： Tomoyuki Hosaka , Taisuke Sugii , Eiji Ishii , Yoshihiro Sukegawa , Masayuki Saruwatari
IPC分类号： F02D41/26 , F02D45/00 , F02D41/06 , F02D41/34 , F02D41/32 , F02B75/12
摘要： Provided is a fuel injection device and a control unit therefor which enable reliable ignition even in a case where fuel pressure is low immediately after starting an engine. In the control unit for controlling an injector injecting fuel into an internal combustion engine, a plurality of injectors is provided in the internal combustion engine, a static flow rate of a first injector is configured to be smaller than a static flow rate of a second injector. In a case where a fuel pressure of fuel supplied by a pressurizing unit is lower than a set value set lower than a fuel pressure in warming up, an injection ratio of the first injector is controlled to increase according to a difference between a fuel pressure of fuel from the pressurizing unit and a fuel pressure in warming up.

7. 发明授权

US10941726B2 Control device for internal combustion engine 有权
公开(公告)号：US10941726B2
公开(公告)日：2021-03-09
申请号：US16341251
申请日：2017-11-01
申请人： HITACHI AUTOMOTIVE SYSTEMS, LTD.
发明人： Shogo Namba , Masayuki Saruwatari , Kazuhiro Oryoji
IPC分类号： F02B17/00 , F02D41/30 , F02B29/04 , F02D13/02 , F02P5/04 , F02P5/15
摘要： Torque fluctuations caused by misfire and abnormal combustion are prevented appropriately at the time of switching from SI to HCCI, and exhaust of NOx is restricted at the time of switching.
Provided is a control apparatus for an internal combustion engine performing a plurality of combustion modes each having a different air-fuel ratio and compression end temperature in a cylinder 7 from each other. In the middle of switching from a first combustion mode to a second combustion mode, an intermediate combustion mode in which the compression end temperature is increased while keeping a different air-fuel ratio from the air-fuel ratio of the first combustion mode and the air-fuel ratio of the second combustion mode is performed. Accordingly, at the time of switching between an operation mode performing SI and an operation mode performing HCCI, a temperature in the cylinder 7 and an air-fuel ratio are controlled appropriately, torque fluctuations caused by misfire and abnormal combustion can be prevented appropriately, and exhaust of NOx can be restricted.

8. 发明授权

US10837418B2 Internal combustion engine control device 有权
公开(公告)号：US10837418B2
公开(公告)日：2020-11-17
申请号：US15763808
申请日：2016-08-02
申请人： Hitachi Automotive Systems, Ltd.
发明人： Kazuhiro Oryoji , Masayuki Saruwatari , Yoshihiro Sukegawa
IPC分类号： F02P5/04 , F02D15/02 , F02P5/15 , F02D37/02 , F02B29/04 , F02D41/00 , F02D41/40 , F02B75/04 , F02D41/38
CPC分类号： F02P5/045 , F02B29/0493 , F02D15/02 , F02D37/02 , F02D41/0002 , F02D41/401 , F02P5/15 , F02P5/1502 , F02B75/04 , F02D2041/389 , F02D2200/024 , F02D2200/0414 , Y02T10/12
摘要： The invention provides an internal combustion engine control device capable of performing a stable combustion at a lean combustion limit. In an internal combustion engine control device that controls an internal combustion engine provided with an ignition device igniting an air-fuel mixture formed inside a combustion chamber, an intake side air temperature of the internal combustion engine is controlled in response to a compression ratio of the combustion chamber.

9. 发明授权

US10696302B2 Internal combustion engine control device 有权
公开(公告)号：US10696302B2
公开(公告)日：2020-06-30
申请号：US15762404
申请日：2016-07-28
申请人： Hitachi Automotive Systems, Ltd.
发明人： Yuuki Okuda , Kazuhiro Oryoji , Masayuki Saruwatari
IPC分类号： B60W30/18 , F02B41/10 , F02D29/06 , F02D41/02 , F01N5/04 , F02D41/00 , F16H61/21 , F02D41/12 , F16H59/74 , B60W10/06 , B60W10/11 , F02C5/12 , F02C9/16 , F02D13/02 , H02P9/00 , F02G5/02 , H02P101/25
摘要： An internal combustion engine control device is provided. The internal combustion engine control device is provided with a generator that is driven by exhaust gas of the internal combustion engine. The internal combustion engine control device is capable of increasing the power generation of the generator. The internal combustion engine control device includes an exhaust amount control unit. The exhaust amount control unit increases the amount of the exhaust gas supplied to the generator in a coasting state.

10. 发明授权

US10677208B2 Fuel injection device 有权
公开(公告)号：US10677208B2
公开(公告)日：2020-06-09
申请号：US15568282
申请日：2016-04-08
申请人： Hitachi Automotive Systems, Ltd.
发明人： Tomoyuki Hosaka , Eiji Ishii , Yoshihiro Sukegawa , Taisuke Sugii , Kazuki Yoshimura , Kazuhiro Oryoji , Masayuki Saruwatari
IPC分类号： F02M61/10 , F02M61/18
摘要： Provided is a fuel injector that is capable of reducing penetration. The fuel injector of the present invention includes a valve body having a valve body side seat surface, a valve seat side seat surface that abuts on the valve body side seat surface, and an injection hole that is provided downstream of a position at which the valve body side seat surface abuts on the valve seat side seat surface. The valve body has a projection that is formed from the valve body side seat surface toward the injection hole, and the projection is formed to be smaller in a direction of fuel flow between seats than a radius of an upstream opening surface of the injection hole.

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