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公开(公告)号：US4942860A
公开(公告)日：1990-07-24
申请号：US151422
申请日：1988-02-02
申请人： Yoshiki Chujo , Tokuta Inoue , Toshiaki Konomi , Yoshihiko Hyodo
发明人： Yoshiki Chujo , Tokuta Inoue , Toshiaki Konomi , Yoshihiko Hyodo
CPC分类号： F02D35/0038 , F02D41/0007 , F02D41/144 , F02D41/1455 , F02D41/1456 , Y02T10/144
摘要： An engine control system having an oxygen density sensor arranged in an intake system at a position downstream of a throttle valve for detecting the amount of air newly introduced into the engine. The sensor is a limit electric current detection type capable of detecting a continuously changing density of the oxygen. An amount of fuel to be injected is calculated in accordance with the output level of the sensor by using mapped data of the output level of the sensor signal. A precise detection of new air is made possible while maintaining the advantages of the known D-J system. An ignition timing also may be calculated by the signal from the oxygen sensor.
摘要翻译： 一种具有氧气密度传感器的发动机控制系统，其布置在进气系统中的节气门下游的位置处，用于检测新引入发动机的空气量。 该传感器是能够检测氧的浓度连续变化的极限电流检测型。 通过使用传感器信号的输出电平的映射数据，根据传感器的输出电平来计算要喷射的燃料量。 可以精确地检测新的空气，同时保持已知的D-J系统的优点。 也可以通过来自氧传感器的信号来计算点火正时。
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公开(公告)号：US4836174A
公开(公告)日：1989-06-06
申请号：US151576
申请日：1988-02-02
申请人： Yoshiki Chujo , Tokuta Inoue , Toshiaki Konomi , Yoshihiko Hyodo
发明人： Yoshiki Chujo , Tokuta Inoue , Toshiaki Konomi , Yoshihiko Hyodo
CPC分类号： F02D41/2496 , F02D41/144 , F02D41/1476 , F02D41/1456
摘要： An engine control system having an oxygen density sensor arranged in an intake system at a position downstream of a throttle valve for detecting the amount of air newly introduced into the engine. The sensor is a limit electric current detection type capable of detecting a continuously changing density of oxygen. An amount of fuel to be injected is calculated in accordance with the output level of the sensor by using mapped data of the output level of the sensor signal. The sensitivity of the sensor is detected and multiplied by the output value of the sensor for obtaining a precise oxygen partial pressure. Instead of calculating the basic fuel amount from the output level of the oxygen density sensor, a normal intake pressure sensor with an intake pressure-engine speed map can be employed. In the latter case, the oxygen partial pressure from the oxygen density sensor is used for correcting the calculated basic fuel amount. The sensitivity of the sensor is also corrected.
摘要翻译： 一种具有氧气密度传感器的发动机控制系统，其布置在进气系统中的节气门下游的位置处，用于检测新引入发动机的空气量。 该传感器是能够检测氧气的连续变化的密度的极限电流检测型。 通过使用传感器信号的输出电平的映射数据，根据传感器的输出电平来计算要喷射的燃料量。 检测传感器的灵敏度并乘以传感器的输出值，以获得精确的氧分压。 可以采用具有进气压力 - 发动机转速图的正常进气压力传感器代替从氧浓度传感器的输出水平计算基本燃料量。 在后一种情况下，来自氧浓度传感器的氧分压用于校正计算出的基本燃料量。 传感器的灵敏度也得到了修正。
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公开(公告)号：US5233830A
公开(公告)日：1993-08-10
申请号：US709000
申请日：1991-05-21
CPC分类号： F01N3/22 , F01N13/0097 , F01N13/011 , F01N3/2053 , F01N3/2803 , F01N3/38 , F01N2370/04 , F01N2410/06 , F01N2510/06 , Y02T10/20 , Y02T10/22
摘要： An exhaust gas purification system for an internal combustion engine includes a dual passage portion having a first passage and a second passage which are connected in parallel to each other. In the first passage, a first catalyst constructed of lean NOx catalyst is located and further a second catalyst constructed of oxidizing catalyst or three-way catalyst is located downstream of the first catalyst. In the second passage, a third catalyst constructed of oxidizing or three-way catalyst is located. A flow switching valve is provided so as to switch the flow of exhaust gas between the first passage and the second passage. The flow switching valve is switched so that exhaust gas flows through the third catalyst when the engine is being warmed-up and flows through the first catalyst and the second catalyst after the engine has been warmed-up.
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公开(公告)号：US4682577A
公开(公告)日：1987-07-28
申请号：US696172
申请日：1985-01-29
申请人： Kenji Kato , Tokuta Inoue , Kiyoshi Nakanishi , Soichi Matsushita
发明人： Kenji Kato , Tokuta Inoue , Kiyoshi Nakanishi , Soichi Matsushita
CPC分类号： F02D41/10
摘要： A method of reducing the amount of nitrogen oxides (NOx) in an internal combustion engine in which the air/fuel ratio is controlled higher than a theoreticl air/fuel ratio during normal operation of a vehicle, characterized in that the air/fuel ratio is controlled lower than the theoretical air-fuel ratio for a predetermined period of time during acceleration from the start of acceleration, the control being effected by means for detecting an accelerated state of the vehicle, means for measuring the lapse of time during acceleration from the start of acceleration and means for performing an acceleration increment correction upon detection of acceleration.
摘要翻译： 一种在车辆的正常运行中将空气/燃料比控制为高于理论空燃比的内燃机中的氮氧化物（NOx）的量减少的方法，其特征在于，所述空燃比为 在从加速开始加速期间的预定时间段内控制低于理论空燃比，通过用于检测车辆的加速状态的装置进行控制，用于测量从起动开始加速期间的经过时间的装置 的加速度和用于在检测到加速度时执行加速度增量校正的装置。
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公开(公告)号：US4481916A
公开(公告)日：1984-11-13
申请号：US491770
申请日：1983-05-05
CPC分类号： F02B31/082 , F02F1/4228 , F02B1/04 , Y02T10/146
摘要： An engine comprising an intake port which has a separating wall projecting downward from the upper wall of the intake port. The separating wall defines a helical portion, an inlet passage portion tangentially connected to the helical portion, and a bypass passage interconnecting the inlet passage portion to the helical portion. A rotary valve is arranged in the bypass passage and actuated by a vacuum operated diaphragm apparatus. The rotary valve is opened when the amount of air fed into the cylinder of an engine is increased beyond a predetermined value. The separating wall has a height which is equal to approximately half the height of the intake port in the vicinity of the rotary valve.
摘要翻译： 一种发动机，其特征在于，具有从所述进气口的上壁向下突出的分隔壁的进气口。 分隔壁限定螺旋部分，与螺旋部分切向连接的入口通道部分，以及将入口通道部分与螺旋部分相互连接的旁通通道。 旋转阀布置在旁路通道中并由真空操作的隔膜装置致动。 当进给发动机气缸的空气量增加超过预定值时，旋转阀打开。 分离壁的高度等于旋转阀附近的进气口的高度的大约一半。
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公开(公告)号：US4478182A
公开(公告)日：1984-10-23
申请号：US490339
申请日：1983-05-02
CPC分类号： F02B31/082 , Y02T10/146
摘要： An engine comprising an intake port which has a separating wall projecting downward from the upper wall of the intake port. The separating wall defines a helical portion, an inlet passage portion tangentially connected to the helical portion, and a bypass passage interconnecting the inlet passage portion to the helical portion. A rotary valve is arranged in the bypass passage and actuated by a vacuum operated diaphragm apparatus. The rotary valve is opened when the amount of air fed into the cylinder of an engine is increased beyond a predetermined value. A conical shaped groove is formed on the bottom wall of the intake port. The lower end of the rotary valve is located in the groove.
摘要翻译： 一种发动机，其特征在于，具有从所述进气口的上壁向下突出的分隔壁的进气口。 分隔壁限定螺旋部分，与螺旋部分切向连接的入口通道部分，以及将入口通道部分与螺旋部分相互连接的旁通通道。 旋转阀布置在旁路通道中并由真空操作的隔膜装置致动。 当进给发动机气缸的空气量增加超过预定值时，旋转阀打开。 在进气口的底壁上形成圆锥形槽。 旋转阀的下端位于凹槽内。
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公开(公告)号：US4242997A
公开(公告)日：1981-01-06
申请号：US62556
申请日：1979-07-31
申请人： Tokio Kohama , Takeshi Matsui , Akira Nishimatsu , Tokuta Inoue , Kiyohiko Oishi , Kiyoshi Kobashi
发明人： Tokio Kohama , Takeshi Matsui , Akira Nishimatsu , Tokuta Inoue , Kiyohiko Oishi , Kiyoshi Kobashi
CPC分类号： F02D41/0077 , F02M26/57 , F02M26/60 , Y02T10/47
摘要： In an exhaust gas recirculation system for an internal combustion engine, a flow control valve is disposed within a recirculation pipe and operatively connected to a pneumatically operated servomotor to control the flow quantity of exhaust gases through the recirculation pipe, and an orifice is disposed within the recirculation pipe upstream of the valve to form a space between the valve and the orifice. A pressure regulator serves to modulate negative pressure from an engine intake manifold to the servomotor on a basis of pneumatic pressure applied thereto and pressure in the space. The pneumatic pressure applied to the pressure regulator is electrically controlled to satisfy the following equation.Pd=f(Pv, N)where the character Pd is the pneumatic pressure applied to the pressure regulator, and the characters Pv and N respectively indicate the negative pressure in the intake manifold and the engine speed.
摘要翻译： 在用于内燃机的排气再循环系统中，流量控制阀设置在再循环管内并且可操作地连接到气动伺服电动机以控制通过再循环管的废气的流量，并且孔设置在内 再循环管在阀的上游，以在阀和孔之间形成空间。 压力调节器用于基于施加到其上的气动压力和空间中的压力来调节从发动机进气歧管到伺服电动机的负压。 施加到压力调节器的气压被电控制以满足以下等式。 Pd = f（Pv，N）其中字符Pd是施加到压力调节器的气压，并且字符Pv和N分别表示进气歧管中的负压和发动机转速。
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8.发明授权
公开(公告)号：US4916897A
公开(公告)日：1990-04-17
申请号：US291273
申请日：1988-12-28
申请人： Kotaro Hayashi , Tokuta Inoue , Sumio Ito , Kiyoshi Kobashi , Shinichi Takeshima
发明人： Kotaro Hayashi , Tokuta Inoue , Sumio Ito , Kiyoshi Kobashi , Shinichi Takeshima
IPC分类号： B01D53/94 , F01N1/08 , F01N3/023 , F01N3/027 , F01N3/031 , F01N3/033 , F01N3/035 , F01N9/00 , F02B3/06 , F02D41/38 , F01N3/02
CPC分类号： F01N3/0233 , B01D53/944 , F01N1/089 , F01N3/023 , F01N3/027 , F01N3/031 , F01N3/033 , F01N3/0335 , F01N3/035 , F01N9/00 , F01N9/002 , F02D41/38 , F01N2230/02 , F01N2250/00 , F01N2250/02 , F01N2250/12 , F01N2560/026 , F02B3/06 , F02D2041/0022 , Y02T10/47 , Y10S55/30
摘要： An exhaust gas purifying apparatus comprising a first and a second casings having expansion chambers, respectively, a third casing arranged between the first and second casings to form a passage therebetween, an inlet pipe introducing the exhaust gas into the first expansion chamber, and an outlet pipe discharging the exhaust gas from the second expansion chamber, whereby a muffler is constituted. The apparatus also comprises a filter arranged in the third casing to trap particulates in the exhaust gas, and a heater arranged adjacent to the filter on the side of the second expansion chamber to burn the particulates deposited on the filter, to regenerate the filter. A flow control unit, comprising a bypass and a valve therein, is arranged such that the exhaust gas normally flows through the filter and the heater, and when the filter is regenerated, at least a part of the exhaust gas flows in reverse through the heater and the filter. This exhaust gas purifying apparatus is built-in to the muffler.
摘要翻译： 一种废气净化装置，包括具有膨胀室的第一和第二壳体，分别设置在所述第一和第二壳体之间以在其间形成通道的第三壳体，将废气引入到所述第一膨胀室中的入口管，以及出口 管从第二膨胀室排出废气，由此构成消音器。 该装置还包括布置在第三壳体中的滤器以捕集废气中的微粒，以及在第二膨胀室一侧邻近过滤器布置的加热器，用于燃烧沉积在过滤器上的微粒，以再生过滤器。 在其中包括旁路和阀的流量控制单元布置成使得废气通常流过过滤器和加热器，并且当过滤器被再生时，排气的至少一部分反向流过加热器 和过滤器。 该废气净化装置内置于消声器。
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公开(公告)号：US4608956A
公开(公告)日：1986-09-02
申请号：US671013
申请日：1984-11-13
CPC分类号： F02P5/1502 , F02D41/1475 , Y02T10/46
摘要： An internal combustion engine of a lean burn type, wherein the air-fuel ratio is feedback controlled to a predetermined fixed value which is higher than a theoretical air-fuel ratio. The ignition timing is changed when the air-fuel ratio as detected by a lean sensor is off from the target air-fuel ratio, enabling quick control of the engine when the air-fuel ratio is off from the target air fuel ratio.
摘要翻译： 一种稀燃型的内燃机，其中所述空燃比被反馈控制为高于理论空燃比的预定固定值。 当由稀薄传感器检测到的空燃比从目标空燃比偏离时，点火正时变化，能够在空燃比与目标空燃比相关时快速控制发动机。
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公开(公告)号：US4574748A
公开(公告)日：1986-03-11
申请号：US650072
申请日：1984-09-13
申请人： Tokuta Inoue , Kiyohiko Oishi , Takamitsu Okamoto , Keiso Takeda
发明人： Tokuta Inoue , Kiyohiko Oishi , Takamitsu Okamoto , Keiso Takeda
CPC分类号： F02M35/10229 , F02B27/0221 , F02B27/0289 , F02B27/0294 , F02B31/082 , F02B2075/1816 , F02B27/0252 , F02B3/06 , F02B75/20 , Y02T10/146
摘要： An air intake device comprising a main air intake passage and an auxiliary air intake passage, in which the main air intake passage interconnects the air cleaner to the engine cylinders and the auxiliary air intake passage is connected to the air cleaner at one end thereof and to the main air intake passage at the other end thereof. The equivalent pipe lengths of the main air intake passage and the auxiliary air intake passage are almost the same. An air pulsation control valve actuated in response to the engine load and the engine speed is arranged in the other end of the auxiliary air intake passage. The engine has a helically-shaped intake port comprising a helical portion, an inlet passage portion, and a bypass passage branched off from the inlet passage portion and connected to the helix terminating portion of the helical portion. A flow path control valve actuated in response to the engine load is arranged in the bypass passage. The opening and closing operation of the air pulsation control valve is carried out when the flow path control valve is open.
摘要翻译： 一种进气装置，包括主进气通道和辅助进气通道，主进气通道将空气滤清器与发动机气缸相连，辅助进气通道在其一端连接到空气滤清器，并且 主进气通道在另一端。 主进气通道和辅助进气通道的等效管长度几乎相同。 在辅助进气通道的另一端设置有响应于发动机负荷而启动的空气脉动控制阀和发动机转速。 发动机具有螺旋形的进气口，其包括螺旋部分，入口通道部分和从入口通道部分分支并连接到螺旋部分的螺旋终止部分的旁路通道。 在旁路通路中设置有响应于发动机负荷而致动的流路控制阀。 当流路控制阀打开时，执行空气脉动控制阀的打开和关闭操作。
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