#F02D41/0085

CONTROL METHOD AND CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

A control method for an internal combustion engine configured to implement fuel cut in response to becoming zero of an accelerator opening degree during travel of a vehicle, and generate an antiphase …

DRIVE·Feb 2·1 min read

F02D41/0085 NISSAN MOTOR CO., LTD.

VEHICLE CONTROL SYSTEM

When an amount of particulate matters (PM) collected by a gasoline particulate filter (GPF) increases, a control processing unit (CPU) of an engine electronic control unit (ENG ECU) stops combustion c…

DRIVE·Jan 12·1 min read

F02D41/0085 TOYOTA JIDOSHA KABUSHIKI KAISHA

CYLINDER IMBALANCE CORRECTION SYSTEM AND METHOD

Systems and methods are provided for determining and correcting air/fuel imbalance between cylinders of an internal combustion engine. A deactivation strategy is determined and implemented. An evaluat…

DRIVE·May 20·1 min read

F02D41/0085 GM GLOBAL TECHNOLOGY OPERATIONS LLC

AIR-FUEL RATIO CONTROL METHOD AND EXHAUST GAS PURIFICATION DEVICE

To improve injection efficiency and stability of post injection required for regeneration of a nitrogen oxide occlusion catalyst. [0002] An average post-injection amount as a post-injection amount tha…

DRIVE·Mar 22·2 min read

F02D41/0085 BOSCH CORP [JP]

COMBINATION CYLINDER STATE AND TRANSMISSION GEAR CONTROL SYSTEMS AND METHODS

A firing module determines a target number of activated cylinders of an engine based on a torque request and a present gear ratio of a transmission. A combination identification module, based on the t…

DRIVE·May 26·2 min read

F02D41/0085 GM Global Technology Operations LLC

SYSTEM AND METHOD FOR DETECTING AIR FUEL RATIO IMBALANCE

A system and method of detecting fueling imbalance(s) in an internal combustion engine is provided. The method includes receiving data regarding an oxygen content of engine exhaust for the engine oper…

DRIVE·Dec 2·2 min read

F02D41/0085 CUMMINS INC [US]

CONTROL DEVICE AND CONTROL METHOD OF ENGINE

It is possible to prevent the stability of an engine from deteriorating even when degrees of changes over time of injection characteristics are different in each fuel injection valve. An inter-cylinde…

DRIVE·Nov 25·2 min read

F02D41/0085 HITACHI AUTOMOTIVE SYSTEMS LTD [JP]

FUEL INJECTION QUANTITY CONTROL APPARATUS

A fuel injection amount control apparatus (control apparatus) according to the present invention comprises an air-fuel ratio sensor 67 which is disposed between the exhaust gas merging portion HK and …

DRIVE·Apr 10·2 min read

F02D41/0085 TOYOTA MOTOR CO LTD [JP]

Detection and reduction of an injection volume difference in a combustion engine with multiple cylinders

The consecutive pressure values of pressure tube (14) are acquired before fuel injection into cylinder for all cylinders (2-5). The consecutive pressure values of pressure tubes after the injection of…

DRIVE·Oct 31·1 min read

F02D41/0085 VOLKSWAGEN AG [DE]

DEVICE FOR DETERMINING IMBALANCE IN AIR-FUEL RATIO BETWEEN CYLINDERS OF INTERNAL COMBUSTION ENGINE

An inter-cylinder air-fuel ratio imbalance determination apparatus (determination apparatus) according to the present invention obtains, based on an output value Vabyfs of an air-fuel ratio sensor 67,…

DRIVE·Oct 24·2 min read

F02D41/0085 TOYOTA MOTOR CO LTD [JP]

DEVICE FOR DECIDING AN IMBALANCE OF AIR/FUEL RATIOS BETWEEN CYLINDERS OF AN INTERNAL COMBUSTION ENGINE

An air-fuel ratio imbalance among cylinders determining apparatus according to the present invention comprises an air-fuel ratio sensor having a protective cover and an air-fuel ratio detection elemen…

DRIVE·May 9·2 min read

F02D41/0085 TOYOTA MOTOR CO LTD [JP]

INTER-CYLINDER AIR/FUEL RATIO IMBALANCE JUDGMENTAL DEVICE FOR INTERNAL-COMBUSTION ENGINE

An apparatus for determining an air-fuel ratio imbalance among cylinders according to the present invention comprises "an upstream air-fuel ratio sensor 67, a catalytic converter 53, and a downstream …

DRIVE·Dec 14·2 min read

F02D41/0085 TOYOTA MOTOR CO LTD [JP]

MONITORING DEVICE FOR MULTICYLINDERED INTERNAL-COMBUSTION ENGINE

A monitoring apparatus comprises a catalytic converter 43, an upstream air-fuel ratio sensor 55, and a downstream air-fuel ratio sensor 56; calculates a sub feedback amount to have an air-fuel ratio r…

DRIVE·Dec 7·2 min read

F02D41/0085 TOYOTA MOTOR CO LTD [JP]

DEVICE FOR JUDGING IMBALANCE OF AIR/FUEL RATIO AMONG CYLINDERS OF MULTICYLINDER INTERNAL COMBUSTION ENGINE

A determining apparatus comprises a catalytic converter 43, an upstream air-fuel ratio sensor 55 including an air-fuel ratio detecting element covered by a diffusion resistance layer, and a downstream…

DRIVE·Aug 24·2 min read

F02D41/0085 TOYOTA MOTOR CO LTD [JP]

Control diagnostic apparatus for an internal combustion engine

To prevent the deterioration of exhaust emissions of an internal combustion engine due to air-fuel ratio variation among multiple cylinders, and to identify an abnormal cylinder during an abnormality …

DRIVE·Aug 10·2 min read

F02D41/0085 HITACHI AUTOMOTIVE SYSTEMS LTD [JP]

FUEL INJECTION CONTROLLER OF ENGINE

Increase in combustion noise and deterioration of exhaust gas performance caused by inter-cylinder correction are prevented, and decrease in temperature rise performance of a diesel particulate remova…

DRIVE·Mar 2·2 min read

F02D41/0085 ISUZU MOTORS LTD [JP]

Engine control apparatus

The present invention performs correction appropriately according to errors in the fuel system and air system respectively and corrects both variations in the air-fuel ratio and torque. When the diffe…

DRIVE·Feb 16·1 min read

F02D41/0085 HITACHI AUTOMOTIVE SYSTEMS LTD [JP]

Method for balancing the torque generated by the cylinders of an internal combustion engine

A description is provided of a method for balancing the torque generated by the cylinders (4) of an internal combustion engine (1), comprising the stages of: determining for each cylinder (4) quantity…

DRIVE·Apr 27·2 min read

F02D41/0085 FIAT RICERCHE [IT]

Operating condition learning control device for internal combustion engine

Learning control is carried out to learn and correct degradation in the functionality of a fuel supply pump (3) having a solenoid coil (6) for an engine. During the learning control, a temporary prese…

DRIVE·Jul 28·1 min read

F02D41/0085 DENSO CORP [JP]

Air-fuel ratio control system and method for internal combustion engine

An air-fuel ratio control system for an internal combustion engine is provided which is capable of appropriately and promptly correcting variation in the air-fuel ratio of a mixture between cylinders …

DRIVE·Jun 2·1 min read

F02D41/0085 HONDA MOTOR CO LTD [JP]

Fuel injection quantity control system for engine

An injection quantity control system for an internal combustion engine (1) stores a value Qb, which is a sum of an FCCB correction value and an ISC correction value corresponding to an injection frequ…

DRIVE·Jan 2·1 min read

F02D41/0085 DENSO CORP [JP]

Engine cylinder power measuring and balance method

An accurate method of determining the power developed by selected cylinders of a multiple cylinder engine is based on the concept of controlling engine rpm for test purposes by adjusting the load on t…

DRIVE·Nov 19·1 min read

F02D41/0085 GEN MOTORS CORP [US]

Fuel injection control system for engine

A fuel injection is carried out as n split injections. Each of injection quantities is defined by dividing an injection quantity into n fuel injections. A FCCB correction and an ISC correction are car…

DRIVE·Sep 3·1 min read

F02D41/0085 DENSO CORP [JP]

Individual cylinder fuel control method

An improved individual cylinder fuel control method based on sampled readings of a single oxygen sensor responsive to the combined exhaust gas flow of several engine cylinders. A model-based observer …

DRIVE·Sep 26·1 min read

F02D41/0085 GEN MOTORS CORP [US]

Method for controlling the air-fuel mixture in an internal combustion engine

A method for controlling the titre of the air-fuel mixture in an internal combustion engine (2) provided with at least two cylinders (3), in which the exhaust gas present in a common exhaust manifold …

DRIVE·Sep 12·2 min read

F02D41/0085 MAGNETI MARELLI SPA [IT]