GAS ENGINE HEAT PUMPThe present disclosure relates to a gas engine heat pump including: an engine which burns a mixed air of air and fuel; a first charger which compresses the mixed air and supplies to the engine; a firs…DRIVE·Feb 24·1 min readFollowF01N3/0842LG ELECTRONICS INC.
METHOD AND SYSTEMS FOR ENGINE CONTROLVarious methods and systems are provided for controlling emissions. In one example, a controller is configured to respond to a sensed exhaust oxygen concentration by changing a fuel injection timing t…DRIVE·Aug 5·1 min readFollowF01N3/0842Transportation IP Holdings, LLC
EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINERich control is performed to hold an air-fuel ratio of an exhaust gas discharged from an engine combustion chamber temporarily richer than the stoichiometric air-fuel ratio by injecting additional fue…DRIVE·Oct 26·1 min readFollowF01N3/0842TOYOTA MOTOR CO LTD [JP]
EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINERich control is performed to hold an air-fuel ratio of an exhaust gas discharged from an engine combustion chamber temporarily richer than the stoichiometric air-fuel ratio by injecting additional fue…DRIVE·Oct 26·1 min readFollowF01N3/0842TOYOTA MOTOR CO LTD [JP]
MOTOR VEHICLE WITH IMPROVED EXHAUST GAS PURIFICATION DEVICEThe invention relates to a motor vehicle comprising a control module capable of selectively placing the selective catalytic reduction module and/or the nitrogen oxide absorption module in poor operati…DRIVE·Mar 9·1 min readFollowF01N3/0842PEUGEOT CITROEN AUTOMOBILES SA [FR]
EXHAUST GAS PURIFICATION SYSTEMProvided is an exhaust gas purification system which can suppress a decrease in engine torque during a desulfurization process applied to a NOx storage reduction catalyst. The exhaust gas purification…DRIVE·Feb 10·1 min readFollowF01N3/0842ISUZU MOTORS LTD [JP]
CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINEAn internal combustion engine comprises a hydrocarbon feed valve (15) arranged in an engine exhaust passage and a booster pump (60) for boosting an injection pressure of the hydrocarbon feed valve (15…DRIVE·Feb 10·1 min readFollowF01N3/0842TOYOTA MOTOR CO LTD [JP]
Control device of internal combustion engineIn an internal combustion engine, a fuel injector (15), an NO x storage catalyst (13), and a particulate filter (14) are arranged in an engine exhaust passage. When post injection (PI) is performed fo…DRIVE·Mar 11·1 min readFollowF01N3/0842TOYOTA MOTOR CO LTD [JP]
INTERNAL COMBUSTION ENGINEAn internal combustion engine according to the present invention includes an exhaust treatment apparatus provided in an exhaust passage, and a burner apparatus provided upstream of the exhaust treatme…DRIVE·Mar 6·1 min readFollowF01N3/0842TOYOTA MOTOR CO LTD [JP]
EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR DETERMINING NOx PURIFYING CATALYST DETERIORATIONAn exhaust emission control device includes a NOx purification catalyst, a three-way catalyst provided upstream of the NOx purification catalyst, a first air-fuel ratio sensor provided upstream of the…DRIVE·Jul 25·2 min readFollowF01N3/0842NISSAN MOTOR [JP]
INTERNAL COMBUSTION ENGINE EXHAUST PURIFYING DEVICE AND EXHAUST PURIFYING METHODAn internal combustion engine exhaust purifying device is provided that can avoid surging occurring with enrichment of the exhaust A/F. It includes a high-pressure EGR path 6 that recirculates a porti…DRIVE·Dec 14·2 min readFollowF01N3/0842HONDA MOTOR CO LTD [JP]
Diesel engineA new engine control system has been developed for diesel engines (10). This operates in accordance with the engine performance characteristic diagrams, to enable rich/weak running control. In the new…DRIVE·Mar 1·1 min readFollowF01N3/0842DAIMLER CHRYSLER AG [DE]
Catalyst control apparatus for internal combustion engine and method for performing catalyst controlA degree of deviation between an actual air-fuel ratio and a value detected by an air-fuel ratio sensor is obtained as a difference dTHC between a target catalyst bed temperature THCt and a catalyst b…DRIVE·Jun 1·2 min readFollowF01N3/0842TOYOTA MOTOR CO LTD [JP]
Engine control apparatusThe invention relates to a control apparatus capable of separately detecting an unexpected fluctuation in the amount of NOx discharged from an engine (10) (combustion chamber (17)), separately from de…DRIVE·Mar 23·2 min readFollowF01N3/0842HITACHI LTD [JP]
Combustion control apparatus for internal combustion engineA combustion control apparatus for an internal combustion engine, including an exhaust gas purifier, and a control unit programmed to selectively implement a first combustion mode and a second combust…DRIVE·Jan 12·1 min readFollowF01N3/0842NISSAN MOTOR [JP]
Assistance system for the regeneration of a NOx trapTwo lambda sensors (6, 7) are located at equal distances downstream of the nitrogen oxides (NOx) trap (3) in the exhaust line (2). One lambda sensor has a rhodium-based catalytic layer. Their output s…DRIVE·Nov 17·1 min readFollowF01N3/0842PEUGEOT CITROEN AUTOMOBILES SA [FR]
Exhaust gas purification apparatus and method for internal combustion engineAn exhaust passageway (5) of an engine (1) is provided with a NOx storage-reduction catalyst (20) for trapping and storing NOx from an exhaust gas lean of a stoichiometric air-fuel ratio. When the sto…DRIVE·Jun 9·2 min readFollowF01N3/0842TOYOTA MOTOR CO LTD [JP]
Method to operate an internal combustion engine with direct injectionProcess for operating a direct-injection I.C. engine, especially a direct-injection Otto engine, involves feeding a predetermined exhaust gas amount from the exhaust gas back into the intake air. Duri…DRIVE·Jun 9·1 min readFollowF01N3/0842VOLKSWAGEN AG [DE]
Method for assisting the regeneration of an exhaust gas filter in an automotive engineA means (16) is provided for delaying combustion in the engine (1) and a control system (11, 15) is provided for activating the combustion delay means during the regeneration of the filter (5). The en…DRIVE·Jan 21·1 min readFollowF01N3/0842RENAULT SA [FR]
Exhaust gas purifying apparatus and method for internal combustion engineRemoval of poisoning substance (sulfur oxidant) is controlled based upon estimating an amount of the poisoning substance deposited in an exhaust gas purification catalyst (5) disposed in an exhaust pi…DRIVE·Nov 26·1 min readFollowF01N3/0842NISSAN MOTOR [JP]
Control device and method for a diesel engineA low NOx combustion mode is executed in which the fuel injection timing IT is greatly advanced to 36 DEG BTDC as compared with a normal value of roughly 10 DEG BTDC. At this fuel injection timing IT,…DRIVE·May 7·1 min readFollowF01N3/0842MITSUBISHI MOTORS CORP [JP]
Control device and method of internal combustion engineA control device of an internal combustion engine (1) which is equipped with an exhaust system including an exhaust purification device (11) purifying exhaust gas, and which performs a recovery proces…DRIVE·Jan 29·1 min readFollowF01N3/0842TOYOTA MOTOR CO LTD [JP]
Air-fuel ratio control system for internal combustion engineAn air-fuel ratio control system for an internal combustion engine provided with a NOx trap catalyst which is disposed in an exhaust gas passageway and arranged to trap NOx when the air-fuel ratio of …DRIVE·Jan 2·2 min readFollowF01N3/0842NISSAN MOTOR [JP]
Exhaust gas purifying apparatus for internal combustion engineAn exhaust gas purifying apparatus comprises a control unit (29) operative to estimate an amount of NOx absorbed by a NOx trap material (17) disposed in an exhaust passage (10) and to make an air-fuel…DRIVE·Jan 2·2 min readFollowF01N3/0842MAZDA MOTOR [JP]
Exhaust gas purifying facility with nitrogen oxides absorption-reduction catalystIn an exhaust gas purifying apparatus 1 provided with a nitrogen oxides absorption-reduction catalyst 2 for executing rich spike when the integrated value NOx mass of the NOx computed from the operati…DRIVE·Jan 2·2 min readFollowF01N3/0842ISUZU MOTORS LTD [JP]
Desulphating of nitrogen oxide trapping catalystSulphur oxides in the exhaust gas of a vehicle engine (1) are trapped by a nitrogen oxide trapping catalyst (5A). A controller (6) calculates the sulphur oxide poisoning amount of the trapping catalys…DRIVE·Dec 11·1 min readFollowF01N3/0842NISSAN MOTOR [JP]
Method for desulfating an NOx absorber in internal combustion engineIn a process to remove sulfur from an automotive NOx storage trap operated in lean burn mode, a calculation model determines the sulfur removal steps. The steps are modified using information derived …DRIVE·Nov 20·1 min readFollowF01N3/0842BAYERISCHE MOTOREN WERKE AG [DE]
Method for controlling of an operating mode of a lean burn internal combustion engineProcess for controlling an operating modulus of a lean burn IC engine (10) having an exhaust gas tract (14) with a NOx storage catalyst (20) and a gas sensor (24) comprises allowing a lean operating m…DRIVE·Oct 9·1 min readFollowF01N3/0842VOLKSWAGEN AG [DE]
Air-fuel ratio control apparatus and method for internal combustion engineIn air-fuel ratio control apparatus and method for an internal combustion engine having an EGR valve interposed in an EGR passage between an intake manifold and an exhaust manifold, a target EGR quant…DRIVE·Oct 2·1 min readFollowF01N3/0842NISSAN MOTOR [JP]
Apparatus for and method of purifying exhaust gas and method of injecting fuel for diesel engineIn an exhaust gas purifying apparatus disposed in an exhaust passage of a diesel engine, an NOx trap catalyst is filled. The NOx trap catalyst uses an NOx absorber which absorbs NOx in an atmosphere w…DRIVE·Oct 2·2 min readFollowF01N3/0842MAZDA MOTOR [JP]
Control system for internal combustion engineAn engine control unit (50) performs homogeneous charge combustion with a rich air-fuel ratio when a NOx absorption material has absorbed a specified amount of NOx absorption so as to purge NOx and to…DRIVE·Aug 21·2 min readFollowF01N3/0842MAZDA MOTOR [JP]
Method and apparatus for operating a NOx-sensor located in the exhaust line of an internal combustion engineThe method involves coordinating measurement values of a nitrogen oxides (NOx) sensor in an exhaust system with earlier signals values for the same NOx content. This involves setting a defined engine …DRIVE·Jul 31·1 min readFollowF01N3/0842BAYERISCHE MOTOREN WERKE AG [DE]
Excess air factor control device for internal combustion engineA basic target excess air factor tLAMBDAO and a target fresh air intake amount tQac are set base upon the operation condition of an engine (30). A target excess air factor tLAMBDA is calculated by mul…DRIVE·Jul 3·2 min readFollowF01N3/0842NISSAN MOTOR [JP]
Engine fuel control apparatus, method and computer program productIn the case that an engine is operated in a state where an in-cylinder air/fuel ratio is lean in a stratified combustion region (I) and a fuel cut control is performed under a predetermined condition,…DRIVE·Apr 3·2 min readFollowF01N3/0842MAZDA MOTOR [JP]
Method for regulating the regeneration of a NOx storage catalystA process for controlling nitrogen oxide (NOx) regeneration in a NOx storage catalyst, located in the exhaust gas of a lean burn combustion engine, comprises establishing the catalyst damage and then …DRIVE·Mar 20·1 min readFollowF01N3/0842VOLKSWAGEN AG [DE]
Exhaust emission control system for internal combustion engineAn exhaust emission control system for an internal combustion engine, having a catalyst provided in an exhaust system of the engine for purifying exhaust gases, and a NOx removing device provided down…DRIVE·Jan 23·2 min readFollowF01N3/0842HONDA MOTOR CO LTD [JP]
Internal combustion engine control apparatus and method for controlling the sameA forced stoichiometric combustion is executed every time a cumulative travel distance of a vehicle increases by a distance, thereby creating an opportunity to determine an air-fuel ratio value in a r…DRIVE·Nov 28·1 min readFollowF01N3/0842TOYOTA MOTOR CO LTD [JP]
Method and device for purification of exhaust gasesProcess for purifying IC engine exhaust gases comprises terminating a NOx regeneration depending on one of the NOx storage catalysts (3, 4); and measuring a condition parameter value characteristic fo…DRIVE·Oct 4·1 min readFollowF01N3/0842VOLKSWAGEN AG [DE]
Method for improved performance of a vehicle having an internal combustion engineAn engine control system for managing lean operation of an internal combustion engine coupled to a lean NOx trap (72) uses an indication of vehicle activity. A target amount of tailpipe emission per d…DRIVE·Sep 19·1 min readFollowF01N3/0842FORD GLOBAL TECH INC [US]
Method for improved vehicle performanceAn engine control system for managing lean NOx trap decontamination uses associated fuel economy impacts to determine when decontamination is enabled. In particular, a maximum achievable benefit provi…DRIVE·Sep 19·1 min readFollowF01N3/0842FORD GLOBAL TECH INC [US]
