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1. 发明申请

US20160281663A1 FUEL CONTROL SYSTEM OF ENGINE 有权
标题翻译：发动机燃油控制系统
公开(公告)号：US20160281663A1
公开(公告)日：2016-09-29
申请号：US15055196
申请日：2016-02-26
申请人： Mazda Motor Corporation
发明人： Junsou Sasaki , Naohiro Yamaguchi , Yusuke Oda , Yoshitaka Wada , Yuya Honda
IPC分类号： F02M45/04 , F02F3/24 , F02B67/10
CPC分类号： F02F3/24 , F02B23/104 , F02B2023/106 , F02B2023/107 , F02B2275/14 , F02D41/402 , F02D2041/0015 , Y02T10/123 , Y02T10/125
摘要： A fuel control system of an engine is provided which controls, by using a tumble flow, a behavior of fuel directly injected into a combustion chamber formed inside a cylinder of the engine. The fuel control system includes a fuel injector for directly injecting the fuel into the combustion chamber, a tumble flow generator for generating the tumble flow within the combustion chamber, and a fuel injector controlling module for causing the fuel injector to inject the fuel at a first injection timing and then inject a smaller amount of fuel than an amount injected at the first injection timing, in a direction opposing a positive direction of the tumble flow at a second injection timing, the first injection timing designed to be in an intake stroke of the cylinder, the second injection timing designed to be in a latter half of the compression stroke of the cylinder.
摘要翻译：提供了一种发动机的燃料控制系统，其通过使用翻转流控制直接喷射到形成在发动机气缸内的燃烧室中的燃料的行为。燃料控制系统包括用于将燃料直接喷射到燃烧室中的燃料喷射器，用于在燃烧室内产生翻转流的转鼓发生器，以及燃料喷射器控制模块，用于使燃料喷射器在第一喷射正时，然后在与第一喷射正时的喷射时刻相比，在与第二喷射正时相反的方向相反的方向喷射较少量的燃料，第一喷射正时设计成处于气缸，第二喷射正时设计为气缸的压缩冲程的后半部分。

2. 发明授权

US11506135B2 Engine system 有权
公开(公告)号：US11506135B2
公开(公告)日：2022-11-22
申请号：US17684315
申请日：2022-03-01
申请人： Mazda Motor Corporation
发明人： Yusuke Oda , Naoki Mine , Tomomi Watanabe , Korin Hata , Junsou Sasaki
IPC分类号： F02D21/08 , F02M35/10 , F02M26/20 , F02M26/21 , F02B39/00
摘要： An engine system is provided, which includes an engine, a swirl control valve, and a controller. The engine includes a cylinder, a piston, and a fuel injection valve provided incliningly with respect to an axial direction of the piston and configured to directly inject fuel into the cylinder. The swirl control valve is provided inside an intake passage and generates a swirl flow inside the cylinder at least when the valve closes. When an engine load is below a given threshold, the controller controls the swirl control valve to close, and controls the fuel injection valve to inject fuel during an intake stroke. While the engine load is below the threshold, at a fixed engine speed, the controller controls to advance a fuel injection timing when the engine load is at a first load, compared with at a second load higher than the first load.

3. 发明授权

US09897037B2 Fuel control system of engine 有权
公开(公告)号：US09897037B2
公开(公告)日：2018-02-20
申请号：US15055196
申请日：2016-02-26
申请人： Mazda Motor Corporation
发明人： Junsou Sasaki , Naohiro Yamaguchi , Yusuke Oda , Yoshitaka Wada , Yuya Honda
IPC分类号： F02B23/10 , F02D41/00 , F02F3/24 , F02D41/40
CPC分类号： F02F3/24 , F02B23/104 , F02B2023/106 , F02B2023/107 , F02B2275/14 , F02D41/402 , F02D2041/0015 , Y02T10/123 , Y02T10/125
摘要： A fuel control system of an engine is provided which controls, by using a tumble flow, a behavior of fuel directly injected into a combustion chamber formed inside a cylinder of the engine. The fuel control system includes a fuel injector for directly injecting the fuel into the combustion chamber, a tumble flow generator for generating the tumble flow within the combustion chamber, and a fuel injector controlling module for causing the fuel injector to inject the fuel at a first injection timing and then inject a smaller amount of fuel than an amount injected at the first injection timing, in a direction opposing a positive direction of the tumble flow at a second injection timing, the first injection timing designed to be in an intake stroke of the cylinder, the second injection timing designed to be in a latter half of the compression stroke of the cylinder.

4. 发明授权

US09638115B2 Method and device for controlling multi-cylinder engine 有权
公开(公告)号：US09638115B2
公开(公告)日：2017-05-02
申请号：US14460294
申请日：2014-08-14
申请人： Mazda Motor Corporation
发明人： Toshiaki Nishimoto , Hisashi Okazawa , Masanori Hashimoto , Junsou Sasaki
IPC分类号： F02D31/00 , F01M1/02 , F02B75/18 , F02D29/04 , F02D29/06 , F02D41/14 , F02D41/00 , F02D13/02 , F02D13/06 , F02D41/08 , F01L1/344 , F01L13/00 , F01L1/053
CPC分类号： F02D31/001 , F01L1/344 , F01L1/3442 , F01L13/0005 , F01L2001/0537 , F01L2013/001 , F01M1/02 , F02B75/18 , F02D13/0219 , F02D13/0261 , F02D13/06 , F02D29/04 , F02D29/06 , F02D41/0087 , F02D41/083 , F02D41/1401 , F02D41/1498 , F02D2041/0012 , F02D2250/24 , Y02T10/18
摘要： A control device of a multi-cylinder engine is provided. The device includes first and second auxiliary components. The first auxiliary component generates energy. The device includes an angular speed variation detecting device for detecting an angular speed variation of a crankshaft, and an auxiliary component control device for controlling drive loads of the first and second auxiliary components. When an engine load is low and the angular speed variation exceeds a predetermined threshold, the auxiliary component control device increases a total drive load of the auxiliary components. Here, if the drive load of the first auxiliary component is increasable, the drive load of the first auxiliary component is increased, and when this increase amount is insufficient, the drive load of the second auxiliary component is increased, whereas if the drive load of the first auxiliary component is not increasable, the drive load of the second auxiliary component is increased.

5. 发明申请

US20220307452A1 ENGINE SYSTEM 有权
公开(公告)号：US20220307452A1
公开(公告)日：2022-09-29
申请号：US17684315
申请日：2022-03-01
申请人： Mazda Motor Corporation
发明人： Yusuke Oda , Naoki Mine , Tomomi Watanabe , Korin Hata , Junsou Sasaki
IPC分类号： F02M35/10 , F02B29/04 , F02D21/08 , F02M26/20 , F02M26/21
摘要： An engine system is provided, which includes an engine, a swirl control valve, and a controller. The engine includes a cylinder, a piston, and a fuel injection valve provided incliningly with respect to an axial direction of the piston and configured to directly inject fuel into the cylinder. The swirl control valve is provided inside an intake passage and generates a swirl flow inside the cylinder at least when the valve closes. When an engine load is below a given threshold, the controller controls the swirl control valve to close, and controls the fuel injection valve to inject fuel during an intake stroke. While the engine load is below the threshold, at a fixed engine speed, the controller controls to advance a fuel injection timing when the engine load is at a first load, compared with at a second load higher than the first load.

6. 发明授权

US09624843B2 Control device of multi-cylinder engine 有权
公开(公告)号：US09624843B2
公开(公告)日：2017-04-18
申请号：US14460288
申请日：2014-08-14
申请人： Mazda Motor Corporation
发明人： Toshiaki Nishimoto , Hisashi Okazawa , Masanori Hashimoto , Junsou Sasaki
IPC分类号： F02D13/02 , F02D13/06 , F02D41/00 , F02D41/14 , F01L1/24 , F01L13/00 , F01L1/344
CPC分类号： F02D13/0207 , F01L1/2405 , F01L1/3442 , F01L13/0005 , F01L2013/001 , F01L2800/00 , F01L2820/042 , F02D13/0219 , F02D13/0261 , F02D13/06 , F02D41/0002 , F02D41/0087 , F02D41/0097 , F02D41/1498 , F02D2041/0012 , F02D2200/024 , F02D2250/24 , Y02T10/18 , Y02T10/42
摘要： A control device of a multi-cylinder engine is provided. The control device includes an auxiliary component and a valve stopping device having a locking mechanism for stopping an operation of at least one of intake and exhaust valves of a specific cylinder of the multi-cylinder engine according to an engine operating state. The control device includes an angular speed variation detecting device for detecting an angular speed variation of a crankshaft, an auxiliary component control device for controlling a drive load of the auxiliary component. In an all-cylinder operation, when an engine load is lower than a predetermined value and the detected angular speed variation exceeds a predetermined threshold, the auxiliary component control device performs an auxiliary component drive load increase control in which the drive load of the auxiliary component is increased to reduce the angular speed variation to be lower than the predetermined threshold.

7. 发明授权

US09212600B2 Variable cylinder engine 有权
标题翻译：可变气缸发动机
公开(公告)号：US09212600B2
公开(公告)日：2015-12-15
申请号：US14155273
申请日：2014-01-14
申请人： Mazda Motor Corporation
发明人： Junsou Sasaki , Kazutoyo Watanabe
IPC分类号： F02D13/06 , F01P7/16 , F02D17/02 , F02D41/00 , F02B23/10
CPC分类号： F01P7/167 , F01P7/16 , F02B23/104 , F02D13/06 , F02D17/02 , F02D41/0087 , Y02T10/18
摘要： A variable cylinder engine is provided. The engine includes an engine body having a plurality of cylinders, a cooling mechanism for cooling the engine body, and a controller for controlling the cooling mechanism and changing a number of active cylinders according to an operating state of the engine. The controller reduces the number of active cylinders in a reduced-cylinder operating range set within a partial engine load range, and in a first reduced-cylinder range set within a high load part of the reduced-cylinder operating range, the controller improves a cooling performance of the cooling mechanism compared with that in a second reduced-cylinder range set within a low load part of the reduced-cylinder operating range.
摘要翻译：提供可变气缸发动机。发动机包括具有多个气缸的发动机主体，用于冷却发动机主体的冷却机构，以及用于控制冷却机构并根据发动机的运行状态改变多个活动气缸的控制器。控制器减少在部分发动机负载范围内设定的减缸运行范围内的有效气缸数量，以及在减缸工作范围的高负荷部分内设定的第一减缸范围内，控制器改善冷却与在减缸工作范围的低负荷部分中设定的第二减缸范围内的冷却机构的性能相比。

8. 发明申请

US20150053174A1 CONTROL DEVICE OF MULTI-CYLINDER ENGINE 有权
标题翻译：多缸发动机控制装置
公开(公告)号：US20150053174A1
公开(公告)日：2015-02-26
申请号：US14460288
申请日：2014-08-14
申请人： Mazda Motor Corporation
发明人： Toshiaki Nishimoto , Hisashi Okazawa , Masanori Hashimoto , Junsou Sasaki
IPC分类号： F02D13/02 , F02D13/06
CPC分类号： F02D13/0207 , F01L1/2405 , F01L1/3442 , F01L13/0005 , F01L2013/001 , F01L2800/00 , F01L2820/042 , F02D13/0219 , F02D13/0261 , F02D13/06 , F02D41/0002 , F02D41/0087 , F02D41/0097 , F02D41/1498 , F02D2041/0012 , F02D2200/024 , F02D2250/24 , Y02T10/18 , Y02T10/42
摘要： A control device of a multi-cylinder engine is provided. The control device includes an auxiliary component and a valve stopping device having a locking mechanism for stopping an operation of at least one of intake and exhaust valves of a specific cylinder of the multi-cylinder engine according to an engine operating state. The control device includes an angular speed variation detecting device for detecting an angular speed variation of a crankshaft, an auxiliary component control device for controlling a drive load of the auxiliary component. In an all-cylinder operation, when an engine load is lower than a predetermined value and the detected angular speed variation exceeds a predetermined threshold, the auxiliary component control device performs an auxiliary component drive load increase control in which the drive load of the auxiliary component is increased to reduce the angular speed variation to be lower than the predetermined threshold.
摘要翻译：提供了一种多缸发动机的控制装置。控制装置包括辅助部件和具有锁定机构的阀止动装置，该锁定机构用于根据发动机运转状态停止多气缸发动机的特定气缸的进气门和排气门中的至少一个的操作。控制装置包括用于检测曲轴的角速度变化的角速度变动检测装置，用于控制辅助部件的驱动负荷的辅助部件控制装置。在全缸操作中，当发动机负载低于预定值并且检测到的角速度变化超过预定阈值时，辅助部件控制装置执行辅助部件驱动负载增加控制，其中辅助部件的驱动负载增加以将角速度变化减小到低于预定阈值。

9. 发明授权

US11492993B2 Engine system 有权
公开(公告)号：US11492993B2
公开(公告)日：2022-11-08
申请号：US17684925
申请日：2022-03-02
申请人： Mazda Motor Corporation
发明人： Yusuke Oda , Naoki Mine , Tomomi Watanabe , Atsushi Suzuki , Junsou Sasaki
IPC分类号： F02D41/00 , F02M26/00 , F02D41/30 , F02D41/40
摘要： An engine system is provided, which includes an engine, a swirl control valve, an EGR passage, an EGR gas adjusting mechanism, and a controller. The engine includes a cylinder, a piston, and a fuel injection valve. The swirl control valve is provided inside an intake passage and generates a swirl flow inside the cylinder when it closes. When an engine load is at or below a given threshold, the controller controls the swirl control valve to close. While the engine load is the threshold or below, the controller controls the EGR gas adjusting mechanism such that, at a fixed engine speed, an increase rate of an EGR gas amount with respect to an increase in the engine load is lower in a first load range than in a second load range, the first load range being on a higher load side of the second load range and including the threshold.

10. 发明申请

US20220307442A1 ENGINE SYSTEM 有权
公开(公告)号：US20220307442A1
公开(公告)日：2022-09-29
申请号：US17684925
申请日：2022-03-02
申请人： Mazda Motor Corporation
发明人： Yusuke Oda , Naoki Mine , Tomomi Watanabe , Atsushi Suzuki , Junsou Sasaki
IPC分类号： F02D41/30 , F02D41/40
摘要： An engine system is provided, which includes an engine, a swirl control valve, an EGR passage, an EGR gas adjusting mechanism, and a controller. The engine includes a cylinder, a piston, and a fuel injection valve. The swirl control valve is provided inside an intake passage and generates a swirl flow inside the cylinder when it closes. When an engine load is at or below a given threshold, the controller controls the swirl control valve to close. While the engine load is the threshold or below, the controller controls the EGR gas adjusting mechanism such that, at a fixed engine speed, an increase rate of an EGR gas amount with respect to an increase in the engine load is lower in a first load range than in a second load range, the first load range being on a higher load side of the second load range and including the threshold.

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