公开(公告)号：US08511279B2

公开(公告)日：2013-08-20

申请号：US13142975

申请日：2009-01-06

申请人： Daisuke Akihisa ,  Mamoru Yoshioka

发明人： Daisuke Akihisa ,  Mamoru Yoshioka

IPC分类号： F02D41/06

CPC分类号： F02D13/0226 ,  F02D9/02 ,  F02D13/0234 ,  F02D15/04 ,  F02D41/0002 ,  F02D41/047 ,  F02D41/064 ,  F02D2041/001 ,  F02D2041/002 ,  F02D2200/021 ,  Y02T10/18 ,  Y02T10/42

摘要： A spark ignition type internal combustion engine of the present invention is provided with a variable closing timing mechanism which can change a closing timing of an intake valve after suction bottom dead center wherein the amount of intake air fed into a combustion chamber is controlled mainly by changing the closing timing of the intake valve. At the time of engine cold start, the closing timing of the intake valve is advanced compared with the time of engine warm operation. At the time of engine cold start, the air-fuel mixture which is taken into a combustion chamber is blown back into the engine intake passage whereby the air-fuel ratio varies among cylinders, but according to the spark ignition type internal combustion engine of the present invention, it is possible to suppress such variation in the air-fuel ratio among cylinders.

摘要翻译： 本发明的火花点火型内燃机设置有可变关闭正时机构，其可以改变吸入下死点之后的进气门的关闭正时，其中进入燃烧室的进气量主要通过改变 进气阀的关闭正时。 在发动机冷启动时，进气门的关闭正时与发动机暖机运转时相比进步。 在发动机冷启动时，被送入燃烧室的空气 - 燃料混合物被吹送到发动机进气通道中，由此空气燃料比在气缸之间变化，但是根据火花点火式内燃机 在本发明中，可以抑制气缸之间的这种空燃比的变化。

公开(公告)号：US08413618B2

公开(公告)日：2013-04-09

申请号：US12670677

申请日：2008-10-24

申请人： Eiichi Kamiyama ,  Daisuke Akihisa ,  Daisaku Sawada

发明人： Eiichi Kamiyama ,  Daisuke Akihisa ,  Daisaku Sawada

IPC分类号： F02B75/04

CPC分类号： F02D13/0261 ,  F02D15/02 ,  Y02T10/18

摘要： An internal combustion engine comprises a variable compression ratio mechanism capable of varying the mechanical compression ratio and a variable valve timing mechanism capable of controlling the closing timing of an intake valve. In an engine low-load operation, the mechanical compression ratio is maintained at a maximum mechanical compression ratio. In an engine high-load operation, the mechanical compression ratio is gradually decreased as the engine load increases. In the engine high-load operation, a load at which a predetermined mechanical compression ratio lower than the maximum mechanical compression ratio is obtained is preset, and a throttle valve is closed in the range of loads lower than the preset load.

摘要翻译： 内燃机包括能够改变机械压缩比的可变压缩比机构和能够控制进气门的关闭正时的可变气门正时机构。 在发动机低负载运转中，机械压缩比保持在最大的机械压缩比。 在发动机高负荷运转中，随着发动机负荷的增加，机械压缩比逐渐降低。 在发动机高负荷运转中，预先设定得到比最大机械压缩比低的规定的机械压缩比的负荷，在低于预设载荷的负荷范围内关闭节流阀。

公开(公告)号：US08356582B2

公开(公告)日：2013-01-22

申请号：US12672143

申请日：2008-08-12

申请人： Daisuke Akihisa ,  Daisaku Sawada ,  Eiichi Kamiyama

发明人： Daisuke Akihisa ,  Daisaku Sawada ,  Eiichi Kamiyama

IPC分类号： F02B75/04

CPC分类号： F02D15/02 ,  F02D13/0226 ,  F02P5/152 ,  Y02T10/12 ,  Y02T10/18

摘要： A spark ignition internal combustion engine includes a variable expansion ratio mechanism which can alter the mechanical expansion ratio, and an exhaust variable valve mechanism which can alter the timing for opening an exhaust valve. The mechanical expansion ratio and the timing for opening the exhaust valve are set depending on the engine load such that the mechanical expansion ratio increases and the timing for opening the exhaust valve is retarded to the exhaust bottom dead center side as the engine load decreases. By setting the mechanical expansion ratio in such a manner depending on the engine load, thermal efficiency can be enhanced as compared with a case where the mechanical expansion ratio is set to make the actual compression rate constant for example. Consequently, a spark ignition internal combustion engine exhibiting high thermal efficiency is provided.

摘要翻译： 火花点火式内燃机包括可改变机械膨胀比的可变膨胀比机构，以及可改变排气阀打开正时的排气可变气门机构。 随着发动机负荷的减小，机械膨胀率和打开排气门的时间是根据发动机负载设定的，使得机械膨胀比增大，打开排气门的时间延迟到排气下死点。 通过根据发动机负荷设定机械膨胀率，与设定机械膨胀比使实际压缩比例如一致的情况相比，能够提高热效率。 因此，提供了表现出高热效率的火花点火内燃机。

公开(公告)号：US08347834B2

公开(公告)日：2013-01-08

申请号：US12668472

申请日：2008-07-11

申请人： Daisuke Akihisa ,  Eiichi Kamiyama

发明人： Daisuke Akihisa ,  Eiichi Kamiyama

IPC分类号： F02B75/04

CPC分类号： F02D15/02 ,  F02D13/0238 ,  F02D13/0269 ,  F02D15/04 ,  F02D35/02 ,  F02D2041/0075 ,  Y02T10/142

摘要： A spark-ignited internal combustion engine includes a variable compression ratio mechanism that changes a mechanical compression ratio and an actual compression ratio start timing-changing mechanism that changes a start timing at which actual compression starts. An actual compression ratio is changed according to the specific heat ratio of an intake gas that is supplied into a cylinder.

摘要翻译： 火花点火的内燃机包括改变机械压缩比的可变压缩比机构和改变实际压缩开始的开始定时的实际压缩比开始时刻变化机构。 实际压缩比根据供给到气缸中的进气的比热变化。

公开(公告)号：US08342143B2

公开(公告)日：2013-01-01

申请号：US12674846

申请日：2009-01-16

申请人： Mamoru Yoshioka ,  Daisuke Akihisa ,  Eiichi Kamiyama ,  Yukihiro Nakasaka

发明人： Mamoru Yoshioka ,  Daisuke Akihisa ,  Eiichi Kamiyama ,  Yukihiro Nakasaka

IPC分类号： F02B75/04 ,  F01L1/34

CPC分类号： F02D15/02 ,  F02D13/0261 ,  F02D41/0025 ,  F02D2200/0611 ,  Y02T10/18

摘要： Disclosed is a spark ignition type internal combustion engine, which comprises a variable compression ratio mechanism capable of changing a mechanical compression ratio, and a variable valve timing mechanism capable of controlling the closing timing of an intake valve. The intake air flow to be fed to the inside of a combustion chamber is controlled mainly by changing the closing timing of an intake valve so that the mechanical compression ratio is set higher at an engine low-load running time than that at an engine high-load running time. The mechanical compression ratio at the engine low-load running time before completion of the warm-up of the internal combustion engine is set lower than that at the engine low-load running time after completion of the warm-up of the internal combustion engine. Although the expansion ratio at the engine low-load running time is raised to improve the mileage, it is possible at an engine cold start to heat an exhaust purifying catalyst promptly and to suppress the deterioration of an exhaust emission.

摘要翻译： 公开了一种火花点火式内燃机，其包括能够改变机械压缩比的可变压缩比机构，以及能够控制进气门的关闭正时的可变气门正时机构。 主要通过改变进气门的关闭正时来控制供给到燃烧室内部的进气流，使发动机低负荷运转时的机械压缩比在发动机高压运转时设定得更高， 负载运行时间。 在内燃机的预热结束之前的发动机低负荷运行时间的机械压缩比设定得比内燃机的预热结束后的发动机低负荷运转时的机械压缩比低。 虽然提高发动机低负荷运转时间的膨胀率以提高里程，但是在发动机冷启动时可以及时加热排气净化催化剂并抑制废气排放的劣化。

公开(公告)号：US08322315B2

公开(公告)日：2012-12-04

申请号：US12669109

申请日：2008-11-04

申请人： Daisuke Akihisa ,  Yukihiro Nakasaka ,  Eiichi Kamiyama ,  Daisaku Sawada

发明人： Daisuke Akihisa ,  Yukihiro Nakasaka ,  Eiichi Kamiyama ,  Daisaku Sawada

IPC分类号： F02B75/04 ,  F02B75/32

CPC分类号： F02D41/0002 ,  F02D13/0261 ,  F02D15/02 ,  F02D2041/001 ,  Y02T10/18 ,  Y02T10/42

摘要： In an internal combustion engine, a variable compression ratio mechanism able to change a mechanical compression ratio and a variable valve timing mechanism able to control the closing timing of an intake valve are provided. At the time of engine low load operation, the mechanical compression is made the maximum so that the expansion ratio becomes 20 or more. Further, at the time of engine low load operation, in part of the operating region or all of the operating region, the actual compression ratio is lowered compared with the time of the engine high load operation and, at the time of engine low load operation, at least when the actual compression ratio is being lowered compared with the time of engine high load operation, the throttle valve is made to close.

摘要翻译： 提供一种内燃机，能够改变机械压缩比的可变压缩比机构和能够控制进气门关闭正时的可变气门正时机构。 在发动机低负载运转时，机械压缩最大，使得膨胀比达到20以上。 此外，在发动机低负载运转时，在运转区域的一部分或全部运转区域中，实际压缩比与发动机高负荷运转时相比降低，在发动机低负荷运转时 至少当与发动机高负载运转时相比实际的压缩比被降低时，使节流阀关闭。

公开(公告)号：US08302569B2

公开(公告)日：2012-11-06

申请号：US12663292

申请日：2008-07-11

申请人： Daisuke Akihisa ,  Eiichi Kamiyama

发明人： Daisuke Akihisa ,  Eiichi Kamiyama

IPC分类号： F02B75/04

CPC分类号： F02D15/04 ,  F01L1/024 ,  F01L1/3442 ,  F01L2001/0537 ,  F01L2001/34426 ,  F02B75/041 ,  F02D13/0238 ,  F02D13/0269 ,  F02D41/0002 ,  F02D2041/001 ,  F02D2250/21 ,  Y02T10/142 ,  Y02T10/42

摘要： A spark-ignited internal combustion engine includes a variable compression ratio mechanism (A) that changes a mechanical compression ratio and an actual compression ratio start timing-changing mechanism (B) that changes a start timing at which actual compression starts. The maximum mechanical compression ratio while the engine is in operation is reduced with increase in engine speed.

摘要翻译： 火花点火式内燃机包括改变机械压缩比的可变压缩比机构（A）和改变实际压缩开始的开始时刻的实际压缩比开始时刻变更机构（B）。 发动机运转时的最大机械压缩比随着发动机转速的增加而减小。

公开(公告)号：US08229649B2

公开(公告)日：2012-07-24

申请号：US12673298

申请日：2009-06-15

申请人： Daisuke Akihisa

发明人： Daisuke Akihisa

IPC分类号： F02D41/30 ,  F02B75/04 ,  F01L1/34

CPC分类号： F02D13/0238 ,  F02B75/041 ,  F02D13/0269 ,  F02D15/04 ,  F02D41/0002 ,  F02D41/10 ,  F02D2041/001 ,  Y02T10/142 ,  Y02T10/42

摘要： In an internal combustion engine, a variable compression ratio mechanism (A) able to change a mechanical compression ratio and a variable valve timing mechanism (B) able to change a closing timing of an intake valve (7) are provided. When an amount of intake air supplied to a combustion chamber (5) is small, the closing timing of the intake valve (7) is held at a limit closing timing, and usually, when the amount of intake air supplied to the combustion chamber (5) increases by a certain extent, the action of advancing the closing timing of the intake valve (7) is started. As opposed to this, when the amount of intake air supplied to the combustion chamber (5) is small, if the rapid acceleration operation is performed, the action of advancing the closing timing of the intake valve (7) is started immediately.

摘要翻译： 在内燃机中，提供能够改变机械压缩比的可变压缩比机构（A）和能够改变进气门（7）的关闭正时的可变气门正时机构（B）。 当向燃烧室（5）供给的进气量少时，进气门（7）的关闭正时保持在极限关闭时刻，通常在供给到燃烧室 5）在一定程度上增加了启动进气门（7）的关闭正时的动作。 与此相反，当供给到燃烧室（5）的进气量少时，如果进行快速加速运转，则立即开始使进气门（7）的关闭正时进行的动作。

公开(公告)号：US08011332B2

公开(公告)日：2011-09-06

申请号：US12671074

申请日：2008-10-30

申请人： Daisaku Sawada ,  Yukihiro Nakasaka ,  Daisuke Akihisa ,  Eiichi Kamiyama

发明人： Daisaku Sawada ,  Yukihiro Nakasaka ,  Daisuke Akihisa ,  Eiichi Kamiyama

IPC分类号： F02B75/04

CPC分类号： F02D41/08 ,  F02D9/02 ,  F02D13/0234 ,  F02D13/0238 ,  F02D15/00 ,  F02D15/04 ,  Y02T10/18

摘要： In an internal combustion engine, a variable compression ratio mechanism able to change a mechanical compression ratio and a variable valve timing mechanism able to control the closing timing of an intake valve are provided. The mechanical compression ratio is made to be the maximum mechanical compression ratio at low load operation regions excluding idling operation, while during idling operation, the mechanical compression ratio is made lower than the maximum mechanical compression ratio.

摘要翻译： 提供一种内燃机，能够改变机械压缩比的可变压缩比机构和能够控制进气门关闭正时的可变气门正时机构。 除了怠速运转以外，机械压缩比为低负荷运转区域的最大机械压缩比，在空转运转时，使机械压缩比低于最大机械压缩比。

公开(公告)号：US20110094479A1

公开(公告)日：2011-04-28

申请号：US12673298

申请日：2009-06-15

申请人： Daisuke Akihisa

发明人： Daisuke Akihisa

IPC分类号： F02B75/04 ,  F01L1/34

CPC分类号： F02D13/0238 ,  F02B75/041 ,  F02D13/0269 ,  F02D15/04 ,  F02D41/0002 ,  F02D41/10 ,  F02D2041/001 ,  Y02T10/142 ,  Y02T10/42

摘要： In an internal combustion engine, a variable compression ratio mechanism (A) able to change a mechanical compression ratio and a variable valve timing mechanism (B) able to change a closing timing of an intake valve (7) are provided. When an amount of intake air supplied to a combustion chamber (5) is small, the closing timing of the intake valve (7) is held at a limit closing timing, and usually, when the amount of intake air supplied to the combustion chamber (5) increases by a certain extent, the action of advancing the closing timing of the intake valve (7) is started. As opposed to this, when the amount of intake air supplied to the combustion chamber (5) is small, if the rapid acceleration operation is performed, the action of advancing the closing timing of the intake valve (7) is started immediately.

摘要翻译： 在内燃机中，提供能够改变机械压缩比的可变压缩比机构（A）和能够改变进气门（7）的关闭正时的可变气门正时机构（B）。 当向燃烧室（5）供给的进气量少时，进气门（7）的关闭正时保持在极限关闭时刻，通常在供给到燃烧室 5）在一定程度上增加了启动进气门（7）的关闭正时的动作。 与此相反，当供给到燃烧室（5）的进气量少时，如果进行快速加速运转，则立即开始使进气门（7）的关闭正时进行的动作。