Toyota Jidosha Kabushiki Kaisha

Other

Aisin Aw Co., Ltd.

Hiroshi Tanaka

Takaaki Itou

Naohide Fuwa

Koji Aso

Toshio Tanahashi

Naoto Suzuki

Kouji Yoshizaki

Kenji Katoh

Makoto Suzuki

Yasuyuki Irisawa

Yukio Kinugasa

Kazuki Tsurumi

Keiso Takeda

Shigeki Miyashita

Toshinari Nagai

Takahiko Fujiwara

Yusuke Saito

Hidemi Ohnaka

Keisuke Nagasaka

Kiyoshi Yuuki

Kazuhisa Kunitake

Masao Watanabe

Takashi Kawai

Masashi Hattori

Koichi Hoshi

Akihito Iwata

Toshiaki Hayashi

Shigemasa Hirooka

Hiroki Ichinose

Toshihiro Takagi

Shingo Korenaga

Tomojiro Sugimoto

Takehisa Yaegashi

Hiroyuki Hokuto

Norio Imai

Akira Fukatsu

Ken Kuretake

Iwao Maeda

Kenji Harima

Junichi Kako

Kouhei Igarashi

Takeshi Nobukawa

Hideyuki Komitsu

Junichi Tokunaga

Shigeo Kikori

Toshihiro Aoyama

Shoji Ogimura

Koichi Takeuchi

Hiroaki Nihei

Shuichi Kubo

Rio Shimizu

Ichiro Hosotani

Masahiro Taki

Ritsuo Masaki

Ryoji Habuchi

Keiji Itou

Kouichi Takeuchi

Masaru Goudo

Mitsuhiro Suzuki

Teruaki Naito

Yoshiyuki Mandokoro

Tadashi Fukuyama, Deceased

Yoshihiro Yamamoto

A peripheral monitoring device includes: a photographing device that is configured to photograph a peripheral area of a vehicle; and a control unit that is configured to display a peripheral screen including a predetermined peripheral image generated based on an image photographed by the photographing device, when a predetermined display condition is established.

Peripheral monitoring device

According to one aspect of the present invention, there is provided a control device for an internal combustion engine, in which an electric heating catalyst (EHC) having a catalyst support generating heat by energizing is provided to an exhaust passage. The control device includes a control unit configured to energize the support in the case where a rapid change in intake air flow is detected based on an intake air flow of the internal combustion engine or a correlation value of the intake air flow, so as to suppress any occurrence of a crack caused by an increase in difference in temperature between predetermined portions at the support during the rapid change in intake air flow.

Control device and method for internal combustion engine

In an EHC, a ratio of a heat capacity of the second catalyst body with respect to a heat capacity of the first catalyst body is made within a range of 0.67-1.5. A ratio of an amount of coat of an OSC material in the second catalyst body with respect to an amount of coat of an OSC material in the first catalyst body is made larger than the ratio of the heat capacity of the second catalyst body with respect to the heat capacity of the first catalyst body. A ratio of an amount of support of a noble metal in the second catalyst body with respect to an amount of support of a noble metal in the first catalyst body is made smaller than the ratio of the heat capacity of the second catalyst body with respect to the heat capacity of the first catalyst body.

Electrically heated catalyst

In a catalytic converter having a catalyst support that generates heat by being energized, short circuiting due to soot within exhaust is suppressed. A catalyst support is provided in a range of a glass coat layer that is provided on an inner surface of a tube body. A maximum diameter portion of an upstream side reduced diameter member and a maximum diameter portion of a downstream tube are positioned in the range of the glass coat layer.

Catalytic converter

In an internal combustion engine that is capable of performing a fuel supply cut control (FC control), a performance of the FC control is suspended, in a case where, when the performance of the FC control is requested to initiate, a deviation between a solid solution of an active element in a carrier and a target solid solution is equal to or more than a predetermined upper limit value and a catalyst temperature is equal to or more than a predetermined upper limit temperature.

Control device of internal combustion engine and method of controlling the same

A control system includes an electrical heating catalyzer, a measuring device and an electronic control unit. The measuring device measures an insulation resistance between a catalyst carrier and case of the electrical heating catalyzer. The electronic control unit determines that the electrical heating catalyzer has a failure when a variation width of the insulation resistance is smaller than or equal to a set value in a historical variation in the insulation resistance measured by the measuring device.

Control system and control method for electrical heating catalyzer

The invention relates to an exhaust gas purification device of an internal combustion engine comprising a catalyst () having an active element and a composite oxidation which carries the active element in an exhaust passage (), the active element transforming into the composite oxide as a solid solution when the catalyst temperature is higher than or equal to a predetermined solid solution temperature and the atmosphere of the interior of the catalyst is an oxidation atmosphere and the active element precipitating from the composite oxide when the catalyst temperature is higher than or equal to a predetermined precipitation temperature and the atmosphere of the interior of the catalyst is a reduction atmosphere. According to the invention, in case that the performance of the fuel supply stop control is inhibited when the catalyst temperature is higher than or equal to the performance inhibiting temperature, a temperature lower than a base temperature of the performance inhibiting temperature is set as the performance inhibiting temperature while the use degree of the catalyst is lower than or equal to a predetermined degree and in case that the performance of the fuel supply amount increase control is permitted when the catalyst temperature is higher than or equal to a performance permitting temperature, a temperature higher than a base temperature of the performance permitting temperature is set as the performance permitting temperature while the use degree of the catalyst is smaller than or equal to the predetermined degree.

Exhaust gas purification device of internal combustion engine

An exhaust gas control apparatus for an internal combustion engine includes: a catalyst that is provided in an exhaust system of an internal combustion engine; a HC adsorption member that is provided in the exhaust system at a position downstream of the catalyst, and that has a function of adsorbing hydrocarbon in exhaust gas; a secondary air supply device that supplies secondary air to the exhaust system at a portion upstream of the catalyst; a supply prohibition unit that prohibits supply of the secondary air when the internal combustion engine is started; and a supply start time control unit that controls the time when supply of the secondary air is started after the internal combustion engine is started based on the amount of hydrocarbon discharged from the internal combustion engine or a value correlated with the amount of hydrocarbon discharged from the internal combustion engine.

Exhaust gas control apparatus for internal combustion engine

The invention relates to an exhaust control device of an engine () comprising a catalyst () in an exhaust passage (). In this invention, the active element transforms as a solid solution in the carrier when a catalyst temperature is higher than or equal to a predetermined solid solution temperature and an atmosphere in the catalyst is an oxidation atmosphere and the active element precipitates from the carrier when the catalyst temperature is higher than or equal to a predetermined precipitation temperature and the atmosphere in the catalyst is a reduction atmosphere. According to this invention, an air-fuel ratio of an exhaust gas flowing into the catalyst is controlled to an air-fuel ratio leaner than the stoichiometric air-fuel ratio when the active element solid solution degree is smaller than a target solid solution or a lower limit of a target solid solution degree range and the catalyst temperature is higher than or equal to the predetermined solid solution temperature, and the air-fuel ratio of the exhaust gas flowing into the catalyst is controlled to an air-fuel ratio richer than the stoichiometric air-fuel ratio when the active element solid solution degree is larger than the target solid solution degree or an upper limit of the target solid solution degree range and the catalyst temperature is higher than or equal to the predetermined precipitation temperature.

Exhaust gas purification device for internal combustion engine

An internal combustion engine is started by performing fuel supply into part of a plurality of cylinders included in the internal combustion engine. After the magnitude of the negative pressure produced in intake piping of the internal combustion engine exceeds a predetermined reference value, fuel supply into the remaining cylinder(s) is started.

Controlling cylinders based on intake vacuum during engine start

A fluid pressure control device controls input and output of a fluid pressure to and from a fluid chamber in a device that transfers power from a motor via working fluid in the chamber, the chamber being partitioned into engagement and disengagement oil chambers by a lock-up clutch. A signal pressure output valve performs pressure regulation to output a signal pressure. The control device includes a control valve connected to an output source flow passage leading to an output source of the fluid pressure, and a control unit controlling the signal pressure output valve so the control valve establishes a first state when the lock-up clutch is turned off, establishes a third state when the lock-up clutch is turned on, and establishes a second state so the working fluid can be confined in the disengagement oil chamber when the lock-up clutch is switched on.

Fluid pressure control device

A control apparatus for an internal combustion engine starts the internal combustion engine by initiating combustion in cylinders belonging to a first cylinder group, from among a plurality of cylinders that make up the internal combustion engine. The control apparatus monitors a change in an amount of negative pressure generated in an intake pipe when the internal combustion engine is started, and obtains information related to an alcohol concentration of fuel used in the internal combustion engine. The control apparatus also calculates a fuel injection quantity necessary to initiate combustion in cylinders belonging to a second cylinder group, based on the amount of negative pressure generated in the intake pipe and the alcohol concentration of the fuel, and initiates combustion in each cylinder belonging to the second cylinder group when the necessary fuel injection quantity enters a range of quantities that are able to be injected by corresponding injectors.

Control apparatus and control method for internal combustion engine

A control apparatus for an internal combustion engine that can suppress the emission of unburned HC accompanying start-up of an internal combustion engine. The control apparatus including a fuel supply control unit that initially supplies fuel to only some cylinders, and delays the start of fuel supply to delayed cylinders that are cylinders other than the aforementioned cylinders; an engine discharge gas HC amount predicting unit that calculates a relationship between a delayed cylinder starting engine speed that is a engine speed at a timing at which a cycle starts in which a delayed cylinder initially carries out combustion and a predicted value of an engine discharge gas HC amount; and a target engine speed calculating unit that calculates a target engine speed that is a target value of the delayed cylinder starting engine speed.

Control apparatus for internal combustion engine

An ammonia burning internal combustion engine in which, in addition to ammonia, a reformed gas reformed at a reformer is fed into a combustion chamber. When a reforming ability of the reformer is less than a predetermined reforming ability, an ammonia ratio is increased to a ratio more than the ammonia ratio after completion of engine warmup set in advance in accordance with an operation state of the engine, and secondary air is fed from a secondary air feeding device into an engine exhaust passage upstream of an exhaust purification catalyst.

Ammonia burning internal combustion engine

A control system of an internal combustion engine in which a first fuel of ammonia and a second fuel which is easier to burn than ammonia are used as fuels. An ammonia ratio is usually set to a reference ammonia ratio which is determined in advance in accordance with an operating state of an engine. At the time when feed of the fuel is restarted after suspension of feed of the fuel at the time of deceleration, the ammonia ratio is temporarily made lower than the reference ammonia ratio in accordance with the operating state of the engine.

Control system of internal combustion engine

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Susono, Japan

Hiroshi Tanaka