公开(公告)号：US4589254A

公开(公告)日：1986-05-20

申请号：US630053

申请日：1984-07-12

申请人： Satoru Kume ,  Michiyasu Yoshida ,  Yoshihiro Konno ,  Tateo Kume ,  Hiroaki Takada ,  Kiyoichi Shinsei ,  Akio Matsumoto ,  Hitoshi Ogawa

发明人： Satoru Kume ,  Michiyasu Yoshida ,  Yoshihiro Konno ,  Tateo Kume ,  Hiroaki Takada ,  Kiyoichi Shinsei ,  Akio Matsumoto ,  Hitoshi Ogawa

IPC分类号： F01N3/02 ,  F01N3/025 ,  F01N3/032 ,  F01N3/22 ,  F02B3/06

CPC分类号： F01N3/222 ,  F01N3/025 ,  F01N3/032 ,  F01N3/22 ,  F01N3/227 ,  F01N2390/04 ,  F01N2410/04 ,  F01N2560/08 ,  F02B3/06

摘要： An apparatus for controlling the supply of air to a burner used to recombust diesel particulates trapped in a ceramic filter. The inventive control apparatus includes an exhaust bypass line that bypasses the filter, an air supply line leading to a burner associated with the filter, a flow control valve that adjusts the cross-sectional area for the air flow in the air supply line, a relief valve that maintains a constant difference between pressures at points upstream and downstream of the flow control valve, and a control unit that controls the degree of opening of the flow control valve. With the invention, precise control over the flow rate of secondary air is ensured.

摘要翻译： 用于控制向燃烧器供应空气的装置，所述燃烧器用于将捕集在陶瓷过滤器中的柴油微粒重组。 本发明的控制装置包括旁路过滤器的排气旁通管线，通向与过滤器相关联的燃烧器的空气供应管线，调节空气供应管线中的空气流的横截面积的流量控制阀， 阀，其在流量控制阀的上游和下游的点处的压力之间保持恒定的差异;以及控制单元，其控制流量控制阀的打开程度。 利用本发明，确保对二次空气流量的精确控制。

公开(公告)号：US06532808B1

公开(公告)日：2003-03-18

申请号：US09570540

申请日：2000-05-12

申请人： Takuya Matsumoto ,  Yoshiaki Higuchi ,  Tateo Kume ,  Hidetsugu Kanao ,  Tomonobu Sakagami

发明人： Takuya Matsumoto ,  Yoshiaki Higuchi ,  Tateo Kume ,  Hidetsugu Kanao ,  Tomonobu Sakagami

IPC分类号： G01M1500

CPC分类号： F02D41/222 ,  F01P11/16 ,  F01P2023/00 ,  F01P2031/20 ,  F01P2031/32 ,  F02D41/187 ,  F02D2200/0414 ,  Y02T10/40

摘要： In a thermostat failure diagnosis apparatus for an internal combustion engine in which a failure diagnosis of a thermostat can be effectively made, in the case where, after starting of the engine, an intake air quantity of the engine or a parameter related to the intake air quantity is equal to or higher than a predetermined value, and a cooling water temperature is equal to or higher than an intake air temperature (outside air temperature), on the basis of a time in which a rising quantity in the cooling water temperature at an upstream side of the thermostat reaches a predetermined value, or a time in which the cooling water temperature rises to a predetermined temperature, the failure of the thermostat is judged. By this, the failure diagnosis is not made in the state where an engine generating heat quantity is small so that there is a fear that an erroneous diagnosis occurs, and the failure diagnosis of the thermostat can be rationally made only in the state where the engine generating heat quantity is large to some degree so that there is no fear of erroneous diagnosis.

公开(公告)号：US06397824B1

公开(公告)日：2002-06-04

申请号：US09633345

申请日：2000-08-04

申请人： Takashi Takatsuka ,  Hidetsugu Kanao ,  Tomonobu Sakagami ,  Kenji Saito ,  Tateo Kume ,  Haruki Fukuda

发明人： Takashi Takatsuka ,  Hidetsugu Kanao ,  Tomonobu Sakagami ,  Kenji Saito ,  Tateo Kume ,  Haruki Fukuda

IPC分类号： F02M3302

CPC分类号： F02D41/22 ,  F02M25/0809

摘要： A fault diagnosing apparatus for evapopurge systems, including a device adapted to detect a pressure in the interior of an evapopassage including a fuel tank, a depressurization device adapted to close a first valve provided in an atmosphere-opened port of a canister and depressurize the interior of the evapopassage by a negative pressure occurring in a suction passage of an internal combustion engine, a repressurization device adapted to close a second valve after the operation of the depressurization device finishes, to repressurize the interior of the evapopassage, and a fault judgement device adapted to allow a judgement, which is based on an output from the pressure detecting device, that an evapopurge system is abnormal to be given on condition that the depressurization and repressurization devices are operated plural times.

摘要翻译： 一种用于蒸发系统的故障诊断装置，包括适于检测包括燃料箱的蒸发器内部的压力的装置，适于关闭设置在罐的大气开放端口中的第一阀的减压装置，并且使内部 通过在内燃机的吸入通道中产生的负压引起的蒸发作用，在减压装置的运转结束后适合关闭第二阀的再加压装置，对蒸发器的内部进行再加压，以及适应的故障判断装置 为了允许基于来自压力检测装置的输出的判断，在减压和再加压装置多次操作的条件下，蒸发系统异常。

公开(公告)号：US5598817A

公开(公告)日：1997-02-04

申请号：US303008

申请日：1994-09-08

申请人： Kyoya Igarashi ,  Tateo Kume ,  Masato Yoshida ,  Nobuaki Murakami ,  Hideyuki Oda

发明人： Kyoya Igarashi ,  Tateo Kume ,  Masato Yoshida ,  Nobuaki Murakami ,  Hideyuki Oda

IPC分类号： F02B3/06 ,  F02B75/02 ,  F02B75/12 ,  F02D41/04 ,  F02D41/06 ,  F02D41/30 ,  F02D41/38 ,  F02M37/00 ,  F02M37/18 ,  F02M55/00 ,  F02M63/00 ,  F02M63/02 ,  F02N17/00 ,  F02M41/00

CPC分类号： F02D41/3836 ,  F02D41/062 ,  F02D41/3082 ,  F02M37/0029 ,  F02M37/0047 ,  F02M37/18 ,  F02M63/0245 ,  F02B2075/027 ,  F02B2075/125 ,  F02B3/06 ,  F02D2041/224 ,  F02D2041/225 ,  F02D2041/389 ,  F02D2250/02 ,  F02D41/042 ,  F02D41/3863 ,  F02M2200/40 ,  F02M2200/60 ,  F02M37/0052 ,  F02M55/007 ,  F02M63/0225 ,  Y02T10/123

摘要： A fuel feeding system is provided for an internal combustion engine to permit appropriate feeding of fuel in accordance with the state of operation of the engine. A fuel line is arranged as a recirculation circuit between a fuel injector and a fuel tank. A low-pressure fuel pump is arranged in an upstream part of the fuel line. A high-pressure fuel pump is arranged between the fuel pump and the injector. A high-pressure regulator is arranged in a fuel line portion on a downstream side of the regulator to control the pressure of fuel delivered from the pump. A bypass line connects another fuel line portion on an upstream side of the regulator and the fuel line portion each other. A switching valve is arranged in the bypass line to open or close the same. A low-pressure regulator controls the pressure of fuel in the fuel line portion at a pressure lower than a control pressure set by the regulator while the switching valve is open. ECU is arranged to perform open/close control of the switching valve so that the switching valve is closed in an ordinary operation state of the engine but is opened in a specific operation state of the engine.

摘要翻译： 一种用于内燃机的燃料供给系统，用于根据发动机的运转状况来适当地进给燃料。 燃料管线被布置为燃料喷射器和燃料箱之间的再循环回路。 在燃料管路的上游部分设有低压燃料泵。 在燃料泵和喷射器之间设置有高压燃料泵。 高压调节器设置在调节器的下游侧的燃料管路部分中，以控制从泵输送的燃料的压力。 旁路管路将调节器的上游侧的另一个燃料管路部分与燃料管路部分相互连接。 旁通管路中设置切换阀，以将其打开或关闭。 当切换阀打开时，低压调节器以低于由调节器设定的控制压力的压力来控制燃料管路部分中的燃料压力。 ECU被布置成执行切换阀的打开/关闭控制，使得切换阀在发动机的正常操作状态下关闭，但在发动机的特定操作状态下打开。

公开(公告)号：US5119629A

公开(公告)日：1992-06-09

申请号：US372562

申请日：1989-06-28

申请人： Tateo Kume ,  Reijiro Komagome ,  Katsuo Akishino ,  Yoshiaki Kodama ,  Michiyasu Yoshida ,  Toshio Yuminaka

发明人： Tateo Kume ,  Reijiro Komagome ,  Katsuo Akishino ,  Yoshiaki Kodama ,  Michiyasu Yoshida ,  Toshio Yuminaka

IPC分类号： F02D41/14

CPC分类号： F02D41/1487 ,  F02D41/1408

摘要： A method of and an apparatus for controlling the air fuel ratio of an internal combustion engine by which the air fuel ratio can be controlled so that the exhaust gas purifying efficiency of a catalytic converter for purifying exhaust gas of the engine may be maximum. In the apparatus, exhaust gas of the engine is first passed through a catalytic converter and then is introduced into an oxygen concentration sensor of the .lambda. type. When the air fuel ratio is compulsorily varied, the compulsorily varied condition of the air fuel ratio such as an average of variations of the air fuel ratio (average air fuel ratio) is corrected in accordance with an output of the oxygen concentration sensor thereby to control the air fuel ratio so that the purifying efficiency of the exhaust gas purifying catalytic converter may be maximum.

摘要翻译： 用于控制可以控制空燃比的内燃机的空燃比的方法和装置，使得用于净化发动机废气的催化转化器的废气净化效率最大。 在该装置中，首先将发动机的废气通过催化转化器，然后引入到λ型的氧浓度传感器中。 当空燃比强制变化时，根据氧浓度传感器的输出来校正诸如空燃比（平均空燃比）的变化的平均值的空燃比的强制变化状态，从而控制 空燃比使排气净化催化剂的净化效率最大化。

公开(公告)号：US5056308A

公开(公告)日：1991-10-15

申请号：US470135

申请日：1990-01-25

申请人： Tateo Kume ,  Michiyasu Yoshida ,  Yoshiaki Kodama ,  Kazuo Koga

发明人： Tateo Kume ,  Michiyasu Yoshida ,  Yoshiaki Kodama ,  Kazuo Koga

IPC分类号： F02D41/14

CPC分类号： F02D41/1443 ,  F02D41/1495 ,  F02D2041/1432 ,  F02D41/1456

摘要： A feedback control system for an air-fuel ratio according to the present invention comprises a first oxygen sensor for detecting the oxygen concentration of exhaust gas flowing through a first exhaust pipe of an internal combustion engine, a second oxygen sensor for detecting the oxygen concentration of the exhaust gas passed through an exhaust gas disposer in a common exhaust passage which is connected with both first and second exhaust pipes of the engine, and an electronic control unit for calculating the amount of fuel supply to each cylinder of the engine in accordance with the oxygen concentration of the exhaust gas detected by means of the first oxygen sensor. The electronic control unit contains therein a correction circuit for correcting the amount of fuel supply to that cylinder of the engine which is associated with the second exhaust pipe, in accordance with the oxygen concentration of the exhaust gas detected by means of the second oxygen sensor.

摘要翻译： 根据本发明的用于空燃比的反馈控制系统包括用于检测流过内燃机的第一排气管的排气的氧浓度的第一氧传感器，用于检测内燃机的第一排气管的氧浓度的第二氧传感器 排气通过与发动机的第一排气管和第二排气管连接的公共排气通道中的废气处理器，以及电子控制单元，用于计算根据该发动机的每个气缸的燃料供给量 通过第一氧传感器检测的废气的氧浓度。 电子控制单元包含校正电路，用于根据通过第二氧传感器检测的排气的氧气浓度来校正与第二排气管相关联的发动机气缸的燃料量。

公开(公告)号：US4912926A

公开(公告)日：1990-04-03

申请号：US190259

申请日：1988-05-04

申请人： Shiro Kumagai ,  Reijiro Komagome ,  Yoshiaki Kodama ,  Tateo Kume

发明人： Shiro Kumagai ,  Reijiro Komagome ,  Yoshiaki Kodama ,  Tateo Kume

IPC分类号： F02D41/00 ,  F02D41/14

CPC分类号： F02D41/1441 ,  F02D41/1479

摘要： An air/fuel ratio control system is provided for an internal combustion engine. The system includes first and second oxygen density sensors, an air/fuel ratio control device and a standard-value changing device. The first oxygen density sensor is arranged on an upstream side of a catalytic converter, while the second oxygen density sensor is provided either inside or on a downstream side of the catalytic converter. The air/fuel control device controls the air/fuel ratio of the internal combustion engine on the basis of results of comparison between a detection value from one of the first and second oxygen density sensors and a predetermined standard value. The standard-value changing device changes the standard value on the basis of outputs from the first and second oxygen density sensors.

公开(公告)号：US4835964A

公开(公告)日：1989-06-06

申请号：US145772

申请日：1988-01-19

申请人： Satoru Kume ,  Michiyasu Yoshida ,  Tateo Kume ,  Hiroki Oshima ,  Mitsuhiro Kawagoe ,  Kazuo Koga

发明人： Satoru Kume ,  Michiyasu Yoshida ,  Tateo Kume ,  Hiroki Oshima ,  Mitsuhiro Kawagoe ,  Kazuo Koga

IPC分类号： F01N3/021 ,  F01N3/023 ,  F01N3/035 ,  F01N3/20 ,  F01N3/22 ,  F01N3/30 ,  F01N3/36 ,  F01N7/00 ,  F01N9/00 ,  F02B1/04 ,  F02B3/06 ,  F02D11/08 ,  F02D21/08 ,  F02D41/02 ,  F02D41/08 ,  F02D41/14 ,  F02D41/38 ,  F02D41/40 ,  F02M25/07 ,  G01L19/06

CPC分类号： F01N3/2033 ,  F01N3/0211 ,  F01N3/023 ,  F01N3/035 ,  F01N3/222 ,  F01N3/30 ,  F01N3/36 ,  F01N9/00 ,  F01N9/002 ,  F02D11/08 ,  F02D41/0055 ,  F02D41/0235 ,  F02D41/029 ,  F02D41/08 ,  F02D41/1446 ,  F02D41/38 ,  F02D41/401 ,  F02M26/57 ,  G01L19/0609 ,  F01N2250/02 ,  F01N2330/06 ,  F01N2390/02 ,  F01N2430/02 ,  F01N2610/1453 ,  F01N2900/0422 ,  F02B1/04 ,  F02B3/06 ,  F02B37/00 ,  F02D2041/0022 ,  F02D2200/0406 ,  F02D2200/0812 ,  F02D2250/32 ,  F02D41/408 ,  F02M26/15 ,  Y02T10/26 ,  Y02T10/42 ,  Y02T10/44 ,  Y02T10/47

摘要： Flammable fine particles (particulates) consisting principally of carbon and hydrocarbons are discharged from a diesel engine to its exhaust system. A diesel particulate oxidizer (DPO) is disposed in the exhaust passage for collecting and burning the particulates without allowing the particulates to be discharged directly to the atmosphere. This DPO comprises a ceramic foam with catalyst. When the quantity of particulates collected is above a predetermined value, the DPO will undergo clogging. To prevent this, a high temperature gas containing oxygen is fed to the DPO to burn (regenerate) the collected particulates. In order to accelerate the normal regeneration of the DPO, there are provided a regeneration means for making a retard control of the fuel injection timing in the diesel engine, and a regeneration timing control means for controlling the operation of the regeneration means. Further, there is provided a regeneration timing detection means for detecting the regeneration timing of the DPO.

摘要翻译： 主要由碳和烃组成的易燃微粒（颗粒）从柴油发动机排放到其排气系统。 柴油颗粒氧化剂（DPO）设置在排气通道中用于收集和燃烧颗粒而不使颗粒直接排放到大气中。 该DPO包括具有催化剂的陶瓷泡沫。 当收集的颗粒物的数量超过预定值时，DPO会发生堵塞。 为了防止这种情况，含氧气体的高温气体被供给到DPO以燃烧（再生）所收集的微粒。 为了加速DPO的正常再生，提供了一种用于对柴油发动机中的燃料喷射正时进行延迟控制的再生装置，以及用于控制再生装置的运转的再生定时控制装置。 此外，提供了一种用于检测DPO的再生定时的再生定时检测装置。