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JP2022054605A |
To provide a reducer supply device suppressed in corrosion by a reducer.A reducer supply device 7 in which a reducer for reduction treatment of an exhaust gas discharged from an internal combustion engine 1 to an exhaust pipe 2 is guided...
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JP7047677B2 |
A vehicle (110) includes an internal combustion engine (100), an electrically-heated catalyst device (33) provided in an exhaust passage (34) thereof, and an electronic control unit (200) configured to control base material electric powe...
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JP2022053083A |
To prevent detachment of a battery before completion of an operation of an injection control section.An exhaust emission control system includes: an injection section injecting a reducing agent for purifying exhaust gas flowing in an exh...
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JP2022052877A |
To appropriately remove a reducing agent remaining in a supply pipe.An exhaust emission control system includes: a supply pipe guiding reducing agent in an accommodation section to an injection section injecting the reducing agent to an ...
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JP2022045764A |
To provide a heater controller capable of appropriately performing heating with a heater before travel start of a vehicle.A heater control unit 2 controls a heater 1 mounted on a vehicle 100, and is configured to set a predetermined even...
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JP2022042976A |
To provide a method for adapting modeled reaction kinetics in a catalytic converter.A method includes: setting a target value of a filling level of an exhaust gas component capable of being stored in a catalytic converter; calculating th...
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JP2022036489A |
To provide a control device capable of properly controlling a temperature of an electric heating-type catalyst.A control device 10 includes a power supply portion 11 for supplying electric power for heat generation to an electric heating...
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JP2022036487A |
To provide a control device capable of properly controlling a temperature of an electric heating-type catalyst.A control device 10 of an electric heating-type catalyst 200 includes a power supply portion 11 for supplying electric power f...
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JP2022015566A |
To provide a reducing agent supply control device and a reducing agent supply control method capable of promptly lowering a temperature of exhaust gas.A reducing agent supply control device controlling a reducing agent supply device that...
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JP2021179181A |
To suppress the unnecessary consumption of urea water while properly purifying NOx.An exhaust emission treatment device performs treatment including the following steps of: a step (S104) for setting a consumption suppression mode when an...
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JP2021148071A |
To effectively remove NOx while preventing the deterioration of fuel economy.An exhaust emission control device of one embodiment comprises a control device for determining a first injection amount being an injection amount of a reductan...
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JP2021134762A |
To devise the arrangement of a plurality of controllers to improve assemblability.An exhaust emission control device 1 for purifying the exhaust of an engine mounted on a vehicle, comprises: a first casing 2C in which a first purificatio...
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JP6919207B2 |
To recover suitably a remaining capacity of a battery after an internal combustion engine is started by supplying power to an electric heating type catalyst.A hybrid vehicle equipped with an internal combustion engine and an electric mot...
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JP2021110288A |
To suppress erroneous determination of the remaining amount of liquid in a storage part.A liquid supply system includes a storage part 21 storing liquid, a pump 32 for supplying the liquid in the storage part 21 to an injection part, a m...
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JP2021043150A |
To increase the accuracy of detection of a detector for detecting the number of fine particles.The detector for detecting the number of fine particles according to the present invention includes: a bottomed cylindrical protective cover 8...
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JP2021043123A |
To increase the accuracy of detection of a detector for detecting the number of fine particles.The detector for detecting the number of fine particles has a bottomed cylindrical protective cover 80 surrounding a region around a gas flow ...
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JP6790787B2 |
To suppress deterioration of performance of a selective reduction type NOx catalyst caused by adhesion of noble metal.An exhaust emission control device for an internal combustion engine includes: an exhaust passage 4 where exhaust gas f...
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JP2020169597A |
To provide an exhaust emission control device which is employed to an exhaust emission purification system having an SCR catalyst and a three-dimensional catalyst at a catalyst layer, and promotes a reduction reaction of a nitrogen oxide...
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JP6769861B2 |
To provide an addition control device for urea water capable of performing feedback control on an addition amount of the urea water while using a detection value of a NOx sensor even in a case where a concentration of ammonia interferes ...
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JP6663645B2 |
The present invention relates to a method and a device for operating a feed pump having a magnetic coil and an operating armature and especially to a control unit. The feed pump of the present invention is a component of a measuring supp...
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JP6515481B2 |
To suppress excess and deficiency in amount of produced ozone.There is provided an ozone supply device for oxidizing NO contained in the exhaust gas into NOby supplying ozone to an upstream side of NOx removal device 12 in the exhaust ga...
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JP6501520B2 |
A method for regulating an ionization device in an exhaust gas after-treatment device of an internal combustion engine, includes placing at least one cathode at a distance from an anode in the exhaust gas after-treatment device, applying...
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JP6455849B2 |
To provide an exhaust gas system for a heat engine and a ship capable of surely preventing intrusion of exhaust gas from a heat engine in operation to a heat engine in stopping, and capable of discharging the exhaust gas through a connec...
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JP6451200B2 |
To attain both reduction of consumption power required for generating ozone and improvement of adsorption of NOx through ozone addition by restricting excessive or lack of ozone added amount.An ECU 40 [ozone addition control device] is a...
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JP6446074B2 |
An engine and one or more aftertreatment subsystems integrated into one system for optimization and control. At least one controller may be connected to the engine and the one or more aftertreatment subsystems. The controller may contain...
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JP6424861B2 |
An electrically heated catalyst (EHC) device has a catalyst that purifies exhaust gas from an engine, and is configured to heat the catalyst with electric power that is supplied from an electric storage device. A current sensor detects a...
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JP6375989B2 |
To suppress surplus energy consumption when it is assumed that engine operation frequency is low.When an engine is operated in a CS mode for prevailing a hybrid travel (HV travel) relative to electric travel (EV travel), and in a CD mode...
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JP2018105127A |
To improve ammonia generation efficiency.An exhaust purification system comprises: a first catalyst device which generates ammonia by hydrolyzing urea water supplied to an exhaust flow passage; a second catalyst device which reduces nitr...
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JP2018105283A |
To prevent a sensor control part from being damaged by scattering stones, mud, and water during driving.A sensor unit is formed so as to include: a detection part which is fixed to an exhaust passage of an after treatment device and dete...
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JP6333694B2 |
To provide an ozone generating quantity control device capable of increasing NOx reduction rate under a transient state of an engine.Some molar ratios in this invention are defined as follows. A ratio of a NOamount in respect to a NOx am...
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JP6314804B2 |
To control a reactor without installing either one of a temperature sensor or a humidity sensor.An ECU 2 controls a reactor 3 that generates discharge between an electrode 31 and an electrode 32. The ECU 2 acquires information indicating...
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JP2018059460A |
To provide an exhaust emission control device which protects a heating wire, and can purify an exhaust gas immediately after a start of an engine.An exhaust emission control device comprises a monolith carrier which is arranged at an exh...
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JP6245309B2 |
A control apparatus is applicable to an internal combustion engine having an exhaust passage arranged with an NSR catalyst and an SCR catalyst, wherein when it is necessary to decrease NH3 adsorbed to the SCR catalyst, then an air-fuel r...
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JP6236529B2 |
An exhaust aftertreatment system may include a tank, an injector, a supply conduit, a pump, a pressure sensor, and a control module. The tank may contain a volume of a fluid. The injector may be configured to inject the fluid into a stre...
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JP6180357B2 |
To provide a rolling machine capable of executing application of a load of a post-treatment device without having influence on rolling work.A rolling machine comprises a traveling hydraulic pump of a traveling hydraulic circuit connected...
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JP6180322B2 |
The method involves calculating set pressure or set temperature in a storage chamber (8) according to parameters of a motor vehicle, where the parameters depend on moving type of the motor vehicle during operation of the motor vehicle fo...
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JP6108534B2 |
To provide an exhaust purification system and a control method of the exhaust purification system which avoids further rise of solidification temperature due to overheat of residual urea aqueous solution upon execution of thawing control...
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JP6101249B2 |
There is disclosed a heating method of honeycomb structure in which it is possible to suitably heat the honeycomb structure with less temperature unevenness during the heating and with less power consumption. The heating method of honeyc...
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JP6082649B2 |
The invention relates to a metering system for injecting a urea solution into the exhaust gas flow (9) of an internal combustion engine for selective catalytic reduction, and method for controlling the injecting of a urea solution by mea...
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JP6065822B2 |
To stably form a target value even in a case where the running condition for an internal combustion engine suddenly changes in a future estimation using a reference governor.In one embodiment, for a correction target value candidate w, t...
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JP6046622B2 |
A configuration for a power supply of a component in an exhaust gas system includes at least one electrical contact disposed at an exhaust gas line. The at least one electrical contact is surrounded by an electrical insulation material.
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JP5930059B2 |
An ECU executes a program including the steps of: determining whether an insulation resistance Ri is smaller than a threshold value Ri(0); if the insulation resistance Ri is smaller than the threshold value Ri(0), determining whether the...
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JP2016050499A |
To provide a combine-harvester capable of stopping supply of non-required urea water solution and reducing an amount of usage of urea water solution.This invention relates to a combine-harvester comprising: a mower; a thresher; a travel ...
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JP2016050547A |
To enable keeping or improvement of performance of exhaust emission control at a high spatial speed to be carried out at a side of control of an internal combustion engine without increasing a catalyst capacity or increasing an amount of...
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JP5895931B2 |
Provided is a NOx reducing device which is capable of effectively protecting a NOx controller against heat and water, while suppressing an increase in cost of a construction machine and deterioration in assemblability of the NOx controll...
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JP5884693B2 |
To provide a temperature estimating device which estimates a catalyst temperature with high accuracy even in a transient operation of an engine without using a complicated arithmetic processing, in a system including an electric heating ...
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JP5867357B2 |
In a system having an oxygen sensor arranged downstream of a NOx storage-reduction catalyst, a constant current is made to flow between sensor electrodes by a constant current circuit provided in the outside of the oxygen sensor, which m...
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JP5864853B2 |
The invention relates to a method to put an exhaust gas probe capable of heating into 'ready for operation' state quickly. A method to put an exhaust gas probe capable of heating, especially a ceramic probe into 'ready for operation' sta...
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JP5847784B2 |
A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, tparticulate filter, a source of reductant such as NH3 and an SCR catalyst. Co...
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JP5796350B2 |
To make compatible improvement in detection accuracy of a particulate object detection apparatus and disconnection detection.A particulate object detection apparatus 1 is composed of a particulate object detection element 10 in which a p...
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