#B01D53/9495

EXHAUST PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

An exhaust gas purification catalyst is recovered from the sulfur poisoning more appropriately. For this purpose, an exhaust gas purification apparatus for an internal combustion engine selectively ex…

DRIVE·May 6·2 min read

B01D53/9495 TOYOTA MOTOR CO LTD [JP]

DIESEL ENGINE EXHAUST GAS PURIFICATION METHOD AND EXHAUST GAS PURIFICATION SYSTEM

An exhaust gas purification method of a diesel engine, which purifies exhaust gas while suppressing deteriorations in drivability and fuel consumption, when the exhaust gas G enters a rich reduction s…

DRIVE·Oct 22·1 min read

B01D53/9495 ISUZU MOTORS LTD [JP]

EXHAUST GAS PURIFICATION SYSTEM AND EXHAUST GAS PURIFICATION METHOD

An exhaust gas purification system which feeds hydrocarbon (HC) by means of a post-injection under preset conditions to the upstream side of an exhaust gas purification device which is positioned on t…

DRIVE·Oct 22·2 min read

B01D53/9495 ISUZU MOTORS LTD [JP]

LNT control method for vehicle

An LNT (Lean NOx Trap) control method for vehicles increases a purification rate of NOx while preventing an increase in the amount of slip of separated NOx at a relatively low LNT temperature. The met…

DRIVE·Jun 25·1 min read

B01D53/9495 HYUNDAI MOTOR CO LTD [KR]

CATALYST DETERIORATION JUDGING SYSTEM

The deterioration judgment for an absorption reduction type NOx catalyst (1) is performed quickly and correctly. A catalyst deterioration judging system comprises a supply unit (5) which supplies a re…

DRIVE·Aug 28·1 min read

B01D53/9495 TOYOTA MOTOR CO LTD [JP]

EXHAUST EMISSION CONTROL DEVICE OF DIESEL ENGINE

A DPF target temperature setting unit has a temperature increase rate setting portion which sets a temperature increase change rate such that, until a target set temperature at which PM is burnt is re…

DRIVE·Aug 28·1 min read

B01D53/9495 MITSUBISHI HEAVY IND LTD [JP]

EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

An exhaust gas purification system includes a feedforward controller 47, a feedback controller 49 outputting a correcting variable for achieving a target temperature of DPF 7, and a variable adding un…

DRIVE·Aug 7·1 min read

B01D53/9495 MITSUBISHI HEAVY IND LTD [JP]

NOX PURIFICATION METHOD OF AN EXHAUST PURIFICATION SYSTEM OF AN INTERNAL COMBUSTION ENGINE

In an internal combustion engine, inside of an engine exhaust passage, a hydrocarbon feed valve (15) and an exhaust purification catalyst (13) are arranged. The concentration of hydrocarbons which flo…

DRIVE·Jul 24·1 min read

B01D53/9495 TOYOTA MOTOR CO LTD [JP]

EXHAUST PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE

In an internal combustion engine, an SO x trap catalyst (13) which traps SO x contained in the exhaust gas is arranged upstream of an NO x storing catalyst (15) in an engine exhaust passage. When the …

DRIVE·Feb 2·1 min read

B01D53/9495 TOYOTA MOTOR CO LTD [JP]

Sulfur purge control method and exhaust gas purifying system

In an exhaust gas purifying system (1) for removing NOx by a NOx occlusion reduction type catalyst (11) for exhaust gas of an internal combustion engine, the air-fuel ratio in the exhaust gas is contr…

DRIVE·May 11·2 min read

B01D53/9495 ISUZU MOTORS LTD [JP]

METHOD OF DECIDING ON CATALYST DETERIORATION AND MEANS FOR DECIDING ON CATALYST DETERIORATION IN NOx PURGING SYSTEM

An exhaust gas for decision is generated, when the operating condition of the engine is within a deterioration decision zone and is of stationary operation. The direct reduction type nitrous oxide (NO…

DRIVE·Dec 29·1 min read

B01D53/9495 ISUZU MOTORS LTD [JP]

Method for estimating the sulfur content in the fuel of an internal combustion engine

A method for estimating the sulfur content in the fuel of an internal combustion engine (1) equipped with a catalyser (11); the method providing the use of a current sulfur concentration value (Sold) …

DRIVE·Dec 22·1 min read

B01D53/9495 MAGNETI MARELLI POWERTRAIN SPA [IT]

NOx catalyst regeneration method for NOx purifying system and NOx purifying system

This is a method for regenerating the NOx catalyst in a NOx purifying system provided in the exhaust passage with a direct reduction type NOx catalyst which directly decomposes the NOx during lean-con…

DRIVE·Aug 25·1 min read

B01D53/9495 ISUZU MOTORS LTD [JP]

Exhaust gas purifying system

An exhaust gas purifying system (1) having a continuous regeneration DPF (3) installed in the exhaust passage (2) of a diesel engine (E) provided with a glow plug (16) and a regeneration control means…

DRIVE·Aug 11·2 min read

B01D53/9495 ISUZU MOTORS LTD [JP]

Exhaust emission control apparatus for internal combustion engine

In an exhaust emission control apparatus having an NOx catalyst (9) disposed in an exhaust passage (8) of an internal combustion engine, the present invention is intended to suppress deterioration in …

DRIVE·Jun 16·1 min read

B01D53/9495 TOYOTA MOTOR CO LTD [JP]

Method to control the exhaust gas treating of a direct injection Otto engine and of a lean-burn engine

Exhaust gas temperature (1) is measured. In lean running, this provides an indication of storage catalyst loading. Preferred features: One or more further operational parameters are used in forming th…

DRIVE·May 6·1 min read

B01D53/9495 VOLKSWAGEN AG [DE]

AIR-FUEL RATIO CONTROLLER OF INTERNAL COMBUSTION ENGINE

An air-fuel ratio controller, based on the emission air-fuel ratio of exhaust emission flowing into an exhaust emission control catalyst (19) in the exhaust emission passage (7) of an engine (1), the …

DRIVE·Apr 21·1 min read

B01D53/9495 TOYOTA MOTOR CO LTD [JP]

Exhaust gas purifying catalyst for internal combustion engine

An exhaust gas purifying system for an internal combustion engine, has an exhaust gas purifying catalyst disposed in an exhaust gas passage of the engine to remove an exhaust gas component; a concentr…

DRIVE·Mar 31·2 min read

B01D53/9495 NISSAN MOTOR [JP]

Apparatus and method for purifying exhaust gases in automotive engines

An exhaust gas purifying apparatus applied to an automotive engine (10) that performs lean combustion is installed in a vehicle, to purify exhaust gas with a NOx storage reduction catalytic converter …

DRIVE·Jan 14·1 min read

B01D53/9495 TOYOTA MOTOR CO LTD [JP]

Exhaust emission control device

An exhaust emission control device has operating condition detecting means (66) for detecting an operating condition of an engine, fuel control means (64) for controlling fuel supply into a combustion…

DRIVE·Sep 17·1 min read

B01D53/9495 MITSUBISHI MOTORS CORP [JP]

Method for controlling engine exhaust gas system

A method for controlling an engine exhaust gas system includes the steps of detecting an air-fuel ratio of exhaust gas discharged from an internal engine by an oxygen sensor, controlling the exhaust g…

DRIVE·Apr 16·2 min read

B01D53/9495 NGK INSULATORS LTD [JP]

Apparatus and method for emission control of an internal combustion engine

A catalytic emission control apparatus of an internal combustion engine (1) that has an engine stop mode of stopping the internal combustion engine (1) during a run of a vehicle utilizes an oxygen abs…

DRIVE·Mar 12·2 min read

B01D53/9495 TOYOTA MOTOR CO LTD [JP]

NOx release index

Method of monitoring the adsorptive capacity of a NOX adsorber of an internal combustion engine, comprising the following steps: 1) identification of O2 moles released from the adsorber during rich pu…

DRIVE·Jan 8·1 min read

B01D53/9495 DELPHI TECH INC [US]

Exhaust gas purification system and method for internal combustion engine

A high-temperature NOx trap for trapping NOx in a lean condition in a high temperature range is so located as to trap NOx released from a low-temperature NOx trap for trapping NOx in the lean exhaust …

DRIVE·Nov 13·1 min read

B01D53/9495 NISSAN MOTOR [JP]

Dosing system for liquids

The liquid auxiliary dosing system includes a determining arrangement (38) for determining an operating variable in the operating of the dosing pump unit (14), characterizing and adjusting this. A com…

DRIVE·Aug 7·1 min read

B01D53/9495 EBERSPAECHER J GMBH & CO KG [DE]

Control of an NOx-storage catalyst

Process for regulating a nitrogen oxides absorber catalyst (3) in an I.C. engine (1) comprises using a nitrogen oxides-sensitive measuring device (4) arranged in the direction of the exhaust gas strea…

DRIVE·Apr 3·1 min read

B01D53/9495 VOLKSWAGEN AG [DE]

Multi-cylinder internal combustion engine with a catalyst heating device

The engine has a mixture formation device for heat-controlled/ heat-regulated alternate production of fat exhaust gas in a first cylinder group (2), and lean exhaust gas in a second group (3). Each gr…

DRIVE·Feb 20·1 min read

B01D53/9495 BAYERISCHE MOTOREN WERKE AG [DE]

Device for detecting deterioration of NOx absorbent

A device for detecting deterioration of a NOx absorbent arranged in the exhaust passage of an engine. An O2 sensor generating a current proportional to the air-fuel ratio is arranged in the exhaust pa…

DRIVE·Oct 17·1 min read

B01D53/9495 TOYOTA MOTOR CO LTD [JP]

An exhaust purification device of an engine

An exhaust purification device of an engine having an exhaust passage, comprising: a NOx absorbent (18) arranged in the exhaust passage (17); air-fuel ratio control means (20) for controlling the air-…

DRIVE·Jul 4·2 min read

B01D53/9495 TOYOTA MOTOR CO LTD [JP]

Control method for a motor vehicle drive unit to increase the richness of the exhaust gas during regeneration of a nitrogen oxide trap

IC engine (12) has an exhaust gas recirculation pipe (30) linking the exhaust (16) to the intake (14) placed before the nitrogen oxide trap (28). Motopropulsion group command (10) regulates the air in…

DRIVE·Jun 13·1 min read

B01D53/9495 RENAULT [FR]