#F02D41/1498

CONTROLLER FOR INTERNAL COMBUSTION ENGINE

Processing circuitry controls a fuel injection amount of a direct injection valve provided in an internal combustion engine that uses hydrogen as fuel. An amount of combustion gas that flows back into…

DRIVE·Apr 3·1 min read

F02D41/1498 TOYOTA JIDOSHA KABUSHIKI KAISHA

TORSIONAL VIBRATION SOLUTIONS FOR CYLINDER DEACTIVATION

A method for operating a 6-cylinder engine connected to a driveline including a transmission. The method includes: monitoring a rotational speed of a crankshaft of the 6-cylinder engine: monitoring a …

DRIVE·Mar 6·1 min read

F02D41/1498 Eaton Intelligent Power Limited

DETECTION METHOD FOR DETECTING A SPEED SENSING ANOMALY OF AN INTERNAL COMBUSTION ENGINE AND DEVICE FOR DETECTING THE SPEED SENSING ANOMALY

The present invention pertains to a detection method for detecting a short-lived speed sensing anomaly of an internal combustion engine. The detection method comprises the steps of performing a sensor…

DRIVE·Jan 16·1 min read

F02D41/1498 Caterpillar Energy Solutions GmbH

METHOD AND CONTROL UNIT FOR IDENTIFYING MISFIRE SUBJECTED CYLINDERS OF AN INTERNAL COMBUSTION ENGINE

Method for identifying cylinders of an internal combustion engine which are subjected to misfire during operation, comprising a step of determining whether the engine is subjected to a misfire conditi…

DRIVE·Oct 26·1 min read

F02D41/1498 Caterpillar Energy Solutions GmbH

MARINE PROPULSION DEVICE AND MARINE VESSEL

A marine propulsion device includes a controller configured or programmed to perform a control to suppress an engine rotation speed. The controller is configured or programmed to perform an initial mi…

DRIVE·Oct 19·2 min read

F02D41/1498 YAMAHA HATSUDOKI KABUSHIKI KAISHA

APPARATUSES, METHODS, SYSTEMS, AND TECHNIQUES OF MISFIRE DETECTION USING ENGINE SPEED SENSOR

A system includes a reciprocating piston engine configured to output torque to drive a load. The system includes an engine speed sensor operatively coupled with the engine and configured to output an …

DRIVE·Dec 8·1 min read

F02D41/1498 Pradheepram Ottikkutti

MISFIRE DETECTION DEVICE FOR INTERNAL COMBUSTION ENGINE

A CPU performs a regeneration process for a GPF by stopping combustion control of cylinder #1 and causing an air-fuel ratio of an air-fuel mixture in the other cylinders to be richer. The CPU calculat…

DRIVE·Aug 4·1 min read

F02D41/1498 TOYOTA JIDOSHA KABUSHIKI KAISHA

MISFIRE DETECTION DEVICE FOR INTERNAL COMBUSTION ENGINE, MISFIRE DETECTION METHOD FOR INTERNAL COMBUSTION ENGINE, AND MEMORY MEDIUM

A misfire detection device and method for an internal combustion engine are provided. A deactivating process deactivates combustion control for air-fuel mixture in a deactivated cylinder. An instantan…

DRIVE·Aug 4·2 min read

F02D41/1498 TOYOTA JIDOSHA KABUSHIKI KAISHA

METHOD OF ASSIGNING AN OCTANE NUMBER TO A FUEL

A method of assigning an octane number to a sample fuel based on the knock intensities obtained from a plurality of reference fuels each having a different assigned octane number while operating an en…

DRIVE·Jul 14·2 min read

F02D41/1498 ExxonMobil Technology and Engineering Company

METHODS AND SYSTEMS FOR ENGINE

Methods and systems are provided for controlling fueling and mitigating knock in internal combustion engines, such as multi-fuel engines. In one example, a method may include monitoring a frequency of…

DRIVE·May 26·1 min read

F02D41/1498 Transportation IP Holdings, LLC

ENGINE MISFIRE DETECTION DEVICE FOR HYBRID ELECTRIC VEHICLE

An engine misfire detection device is mounted on a hybrid electric vehicle that includes an internal combustion engine and a generator. The internal combustion engine has a plurality of cylinders and …

DRIVE·May 12·1 min read

F02D41/1498 TOYOTA JIDOSHA KABUSHIKI KAISHA

MISFIRE DETECTING DEVICE AND METHOD FOR INTERNAL COMBUSTION ENGINE

A CPU determines that there is a misfire when a relative magnitude of a rotation fluctuation amount ΔT] related to a cylinder subject to the determination in relation to a rotation fluctuation amounts…

DRIVE·Apr 14·1 min read

F02D41/1498 TOYOTA JIDOSHA KABUSHIKI KAISHA

MISFIRE DETERMINATION DEVICE OF INTERNAL COMBUSTION ENGINE

A misfire determination period is set to a predetermined range of a crank angle. A CPU performs: a calculation process of calculating an average value of a torque of an output shaft of an internal com…

DRIVE·Apr 14·1 min read

F02D41/1498 TOYOTA JIDOSHA KABUSHIKI KAISHA

MISFIRE DETECTION DEVICE AND METHOD FOR INTERNAL COMBUSTION ENGINE

A misfire detection device for an internal combustion engine is configured to execute: a deactivating process that deactivates combustion control for air-fuel mixture in one or some of cylinders; a pr…

DRIVE·Mar 31·1 min read

F02D41/1498 TOYOTA JIDOSHA KABUSHIKI KAISHA

Method for Computer-Assisted Determination of Multiple Rotational Irregularities in an Internal Combustion Engine

Multiple rotational irregularities in an internal combustion engine are determined. An uneven running value of a currently-ignited combustion chamber in a logical ignition sequence of a plurality of c…

DRIVE·Dec 16·1 min read

F02D41/1498 Bayerische Motoren Werke Aktiengesellschaft

MISFIRE DETECTING DEVICE FOR INTERNAL COMBUSTION ENGINE

The occurrence of the misfire having a level at which exhaust purifying function of a catalyst is impaired (OT-level misfire) is detected. Upon the detection of the OT-level misfire, basic OT risk fro…

DRIVE·Mar 25·1 min read

F02D41/1498 TOYOTA JIDOSHA KABUSHIKI KAISHA

STATE DETERMINATION DEVICE FOR INTERNAL COMBUSTION ENGINE, STATE DETERMINATION SYSTEM FOR INTERNAL COMBUSTION ENGINE, DATA ANALYSIS DEVICE, AND CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

Provided is a state determination device for an internal combustion engine. The state determination device includes a storage device, and an execution device. The storage device stores mapping data th…

DRIVE·Mar 4·2 min read

F02D41/1498 TOYOTA JIDOSHA KABUSHIKI KAISHA

MISFIRE DETECTION APPARATUS, MISFIRE DETECTION SYSTEM, AND DATA ANALYSIS APPARATUS

A misfire detection apparatus includes storage devices that store first mapping data and second mapping data, and execution devices. The execution device executes a first acquisition process, a first …

DRIVE·Feb 25·1 min read

F02D41/1498 Toyota Jidosha Kabushiki Kaisha

STATE DETECTION SYSTEM FOR INTERNAL COMBUSTION ENGINE, DATA ANALYSIS DEVICE, AND VEHICLE

A state detection system for an internal combustion engine includes: a memory configured to store mapping data, the mapping data being data that defines a detection mapping, the detection mapping bein…

DRIVE·Feb 4·2 min read

F02D41/1498 TOYOTA JIDOSHA KABUSHIKI KAISHA

STATE DETECTION SYSTEM FOR INTERNAL COMBUSTION ENGINE, DATA ANALYSIS DEVICE, AND HYBRID VEHICLE

DRIVE·Feb 4·1 min read

F02D41/1498 TOYOTA JIDOSHA KABUSHIKI KAISHA

METHOD FOR OPERATING A SPARK IGNITED ENGINE

A method includes forming a combustible mixture by mixing generally homogeneously a first fuel and air and introducing this mixture into a cylinder, compressing the combustible mixture with a piston i…

DRIVE·Jun 23·1 min read

F02D41/1498 GE Jenbacher GmbH & Co OG

METHOD AND APPARATUS FOR DETECTING A MISFIRE OF AN INTERNAL COMBUSTION ENGINE

The present invention relates to a method and apparatus for detecting a misfire which may occur during the operation of an internal combustion engine, and which, in particular, not only detects a misf…

DRIVE·Mar 13·2 min read

F02D41/1498 STXENGINE CO LTD [KR]

PHASE-BASED MISFIRE DETECTION IN ENGINE ROTATION FREQUENCY DOMAIN

A misfire detection system monitors engine speed fluctuations in the engine rotation frequency domain and identifies misfire when a phase angle locks onto a stable value rather than fluctuating random…

DRIVE·Mar 30·1 min read

F02D41/1498 DELPHI TECH INC [US]

Method for determining the variation of engine speed

The invention particularly relates to method for determination of variation of engine speed based on interpolation of a trigonometric polynomial using a recursive formula. In one embodiment of the inv…

DRIVE·Aug 3·1 min read

F02D41/1498 FORD GLOBAL TECH LLC [US]

Method for controlling an internal combustion engine

The engine has 4-stroke cylinders with controlled auto ignition and spark ignition. If misfiring occurs during controlled auto-ignition mode, the cylinder is re-ignited in spark ignition mode during t…

DRIVE·Jun 15·1 min read

F02D41/1498 FORD GLOBAL TECH LLC [US]

Method and device for the determination of the pre-injection quantity in an injection system of an internal-combustion engine exhibiting a fuel quantity balance regulation

To establish the initial volume of fuel to be injected, as part of the fuel compensation control (MAR) for the fuel injection at an internal combustion motor where at least one fuel injector is contro…

DRIVE·May 25·1 min read

F02D41/1498 BOSCH GMBH ROBERT [DE]

System and method for controlling spark-ignition internal combustion engine

A control system controls a spark-ignition internal combustion engine (11). The spark-ignition internal combustion engine (11) includes a cylinder (12), and a fuel injection valve (17) arranged in the…

DRIVE·Mar 16·1 min read

F02D41/1498 TOYOTA MOTOR CO LTD [JP]

Engine control method and apparatus

The revolution time (C') of a crankshaft rotor is detected based on the time (A) during which the pick-up (104) passes along the rotor at fixed angle range which is set based on the top dead center of…

DRIVE·Oct 27·1 min read

F02D41/1498 MORIC KK [JP]

Engine control method and device for a vehicle

An engine speed control that avoid undesirable transmission conditions such as clutch chattering. This is done by sensing actual conditions, which are likely to result in the undesirable transmission …

DRIVE·Feb 12·1 min read

F02D41/1498 MORIC KK [JP]

Misfiring detection apparatus for internal combustion engine

In a misfiring detection apparatus according to an embodiment, a comparison unit 22 and a time counting unit 24 accumulate periods of time during which the ion current flowing between the center elect…

DRIVE·Mar 20·1 min read

F02D41/1498 NGK SPARK PLUG CO [JP]

Onboard misfire, partial-burn detection and spark-retard control using cylinder pressure sensing

A method is disclosed for detecting misfire or partial burn and for controlling spark retard in the cylinders of an internal combustion engine operated under the control of a microprocessor and utiliz…

DRIVE·Sep 19·1 min read

F02D41/1498 GEN MOTORS CORP [US]