CONTROLLER FOR INTERNAL COMBUSTION ENGINEA controller for an internal combustion engine is provided. Control circuitry executes a determination process when the internal combustion engine is in an idling operation state. A pressure sensor de…DRIVE·Jun 11·1 min readFollowF02D41/221TOYOTA JIDOSHA KABUSHIKI KAISHA
FUEL QUANTITY MONITORING USING FUEL RAIL PRESSUREA system for determining fuel delivery includes an internal combustion engine having a plurality of cylinders, a plurality of fuel injectors configured to inject fuel for combustion in the cylinders, …DRIVE·Apr 9·2 min readFollowF02D41/221Caterpillar Inc.
SYSTEMS AND METHODS OF FUEL INJECTION TIMING DRIFT DETECTION AND COMPENSATIONAt least some embodiments of present disclosure direct to a fuel injection timing drift detection and/or compensation system. In some cases, the system collects or receives a series of fuel pressure d…DRIVE·Jun 20·1 min readFollowF02D41/221Cummins Inc.
MOTOR CONTROL DEVICEA motor control device includes: a rotation control determination unit configured to determine whether a motor rotation control to rotate the motor fails; a parameter calculation unit configured to ca…DRIVE·Feb 8·1 min readFollowF02D41/221DENSO CORPORATION
THROTTLE CONTROL SYSTEM AND THROTTLE CONTROL METHODA throttle control system includes a throttle device and a controller that controls the throttle device. The controller executes a driving process of driving the electric motor such that a target angu…DRIVE·Sep 7·1 min readFollowF02D41/221TOYOTA JIDOSHA KABUSHIKI KAISHA
METHOD FOR OPERATING AN INJECTOR ON AN INTERNAL COMBUSTION ENGINE, CONTROL UNIT FOR AN INTERNAL COMBUSTION ENGINE, DESIGNED TO CARRY OUT A METHOD OF THIS TYPE, AND INTERNAL COMBUSTION ENGINE HAVING A CONTROL UNIT OF THIS TYPEA method for operating an injector on an internal combustion engine includes the steps of: introducing a fuel into a combustion chamber of the internal combustion engine by way of the injector; captur…DRIVE·Aug 31·2 min readFollowF02D41/221Rolls-Royce Solutions GmbH
EXHAUST VALVE FAILURE DIAGNOSTICS AND MANAGEMENTA method of operating an engine is provided. An exhaust valve actuation fault is detected for a first exhaust valve associated with a first cylinder during a first working cycle. In response to the de…DRIVE·Jul 13·1 min readFollowF02D41/221Tula Technology, Inc.
METHOD FOR DIAGNOSING A PART OF A POWERTRAIN SYSTEMA method for diagnosing a part of a powertrain system is provided. The powertrain system comprising an internal combustion engine system having an internal combustion engine provided with a plurality …DRIVE·Jan 12·1 min readFollowF02D41/221VOLVO TRUCK CORPORATION
Method To Estimate The Temperature Of An Electromagnetic ActuatorA method to estimate the temperature of an electromagnetic actuator, which entails a preliminary step in which to define a first threshold value for the current or for the voltage; and define a charac…DRIVE·Dec 1·2 min readFollowF02D41/221MARELLI EUROPE S.p.A.
EXHAUST VALVE FAILURE DIAGNOSTICS AND MANAGEMENTA method of operating an engine is provided. An exhaust valve actuation fault is detected for a first exhaust valve associated with a first cylinder during a first working cycle. In response to the de…DRIVE·Jul 14·1 min readFollowF02D41/221Tula Technology, Inc.
Injector Diagnosis Device and Injector Diagnosis MethodAn injector diagnosis device includes: an engine sound model generator configured to generate a normal engine sound model and an abnormal engine sound model based on the number of cylinders of the eng…DRIVE·Jun 2·1 min readFollowF02D41/221Hitachi Construction Machinery Co., Ltd.
WEAR MONITORING FOR ELECTRICAL ACTUATORSMethods and systems that monitor an actuator state of wear. One or more observations are made as to one or more extremum positions of the actuator to determine a reference extremum position when the a…DRIVE·Jun 2·1 min readFollowF02D41/221Garrett Transportation I Inc.
INJECTOR FAILURE DIAGNOSTIC DEVICE AND INJECTOR FAILURE DIAGNOSTIC METHODAn injector failure diagnostic device diagnoses injector failures for a multi-cylinder internal combustion engine having injectors to each injector injects fuel to the corresponding cylinder. The inje…DRIVE·May 19·1 min readFollowF02D41/221HITACHI CONSTRUCTION MACHINERY CO., LTD.
INJECTION CONTROL DEVICEAn injection control device includes: a drive control unit that controls energization by correcting an energization instruction time when injecting the fuel by executing the current-drive, and include…DRIVE·Dec 30·1 min readFollowF02D41/221DENSO CORPORATION
INJECTION CONTROL DEVICEAn injection control device includes: an area correction unit that calculates an energization time correction amount when executing a current drive of the fuel injection valve to inject a fuel from th…DRIVE·Dec 30·1 min readFollowF02D41/221DENSO CORPORATION
ON BOARD DIAGNOSTIC METHOD FOR ELECTROMAGNETIC LATCH ASSEMBLYA method of providing diagnostic information for an electromagnetic latch assembly () includes providing a pulse to a circuit () that include one or more electromagnetic latch assemblies. The circuit …DRIVE·Dec 16·1 min readFollowF02D41/221Eaton lntelligent Power Limited
CONTROL DEVICE FOR FUEL SUPPLY SYSTEMA control device is applied to a fuel supply system including a fuel pump that rotates an impeller in a housing and pumps fuel from a fuel tank and a fuel pipe in which fuel discharged from the fuel p…DRIVE·Dec 9·1 min readFollowF02D41/221TOYOTA JIDOSHA KABUSHIKI KAISHA
INJECTION CONTROL DEVICEAn injection control device of capable of correcting an energization time even in an S/N non-guaranteeable situation includes: an energization controller calculating an energization time correction am…DRIVE·Dec 2·1 min readFollowF02D41/221DENSO CORPORATION
METHOD OF IDENTIFYING FAULTS IN THE OPERATION OF HYDRAULIC FUEL INJECTORS HAVING ACCELEROMETERSA method of determining the nature of a fault in the operation of a hydraulic fuel injector includes sending an actuation pulse to an actuator of the injector, the actuation pulse being above the mini…DRIVE·Jul 29·1 min readFollowF02D41/221DELPHI TECHNOLOGIES IP LIMITED
DIAGNOSTIC SYSTEMS AND METHODS FOR ISOLATING FAILURE MODES OF A VEHICLEA system includes a controller having a control signal generation unit that provides control signals to actuate one or more valve actuators of an engine to a desired position, and control signals to m…DRIVE·Mar 18·2 min readFollowF02D41/221Cummins Inc.
DIAGNOSTIC METHODS AND SYSTEMSMethods and systems are provided for monitoring a fuel injector of an internal combustion engine. In one embodiment, a method includes: receiving a set of feature data, the feature data sensed from a …DRIVE·Mar 18·1 min readFollowF02D41/221GM GLOBAL TECHNOLOGY OPERATIONS LLC
METHOD FOR DETECTING HEATER CORE ISOLATION VALVE STATUSMethods and systems are provided for monitoring a status of a heater core isolation valve (HCIV) housing in an engine coolant circuit including a first coolant loop and a second coolant loop. In one e…DRIVE·Feb 11·1 min readFollowF02D41/221Ford Global Technologies, LLC
SYSTEM AND METHOD FOR ENGINE POPPET VALVE DIAGNOSTICSSystems and methods for determining operation of a cylinder deactivating/reactivating device are disclosed. In one example, a warm engine is rotated without being supplied fuel to determine the presen…DRIVE·Aug 29·1 min readFollowF02D41/221Ford Global Technologies, LLC
METHOD TO DETERMINE THE COKING OF A FUEL INJECTORA method to determine the level of coking in a fuel injector, said injector including a needle valve having a needle adapted to move to and from a first (closed valve) position, where the tip of the n…DRIVE·Feb 1·1 min readFollowF02D41/221DELPHI INT OPERATIONS LUXEMBOURG SARL [LU]
MONITORING DEVICE FOR FUEL INJECTION QUANTITY CONTROL DEVICEA microcomputer determines a presence of an abnormality of a fuel injection quantity control device based on a comparison between a required injection quantity as a command value for the amount of a f…DRIVE·Jul 20·2 min readFollowF02D41/221TOYOTA MOTOR CO LTD [JP]
METHOD AND DIAGNOSTIC FACILITY FOR CHECKING HIGH-PRESSURE TANK VALVES, HIGH-PRESSURE TANK SYSTEM AND MOTOR VEHICLE WITH A HIGH-PRESSURE TANK SYSTEMA method and diagnostic facility for checking a plurality of magnetic valves in a high-pressure tank system of a motor vehicle is described. A magnetic valve is activated for opening the magnetic valv…DRIVE·Jun 23·1 min readFollowF02D41/221GM GLOBAL TECHNOLOGY OPERATIONS LLC
METHOD AND SYSTEMS FOR DIAGNOSING AN INLET METERING VALVEVarious methods and systems are provided diagnosing a valve. In one example, a system comprises a valve (236) configured to regulate a fuel flow, and a controller (180) configured to determine degrada…DRIVE·Mar 23·1 min readFollowF02D41/221GEN ELECTRIC [US]
Control apparatus for general purpose engineIn an apparatus for controlling a general purpose engine having a choke valve, a choke valve opening/closing mechanism, a choke valve opening regulating mechanism, a heater and a heater connection ter…DRIVE·Jul 1·1 min readFollowF02D41/221HONDA MOTOR CO LTD [JP]
System for diagnosing the starting of an internal combustion engineA system for diagnosing the starting of an internal combustion engine is described, comprising internal components of the engine and components for managing the engine functionalities, vehicle batteri…DRIVE·Jun 25·1 min readFollowF02D41/221IVECO SPA [IT]
FUEL INJECTION CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINEAn object of the invention is to detect, in a fuel injection control system for an internal combustion engine equipped with a low pressure fuel pump and a high pressure fuel pump, a failure in the fue…DRIVE·Apr 2·1 min readFollowF02D41/221TOYOTA MOTOR CO LTD [JP]
METERING DEVICE FOR HIGH-PRESSURE PUMPIn an adjustment device of a high-pressure pump for increasing a pressure of a fuel supplied from a feed pump and pressure-feeding the fuel, the adjustment device includes: an inlet valve changing a c…DRIVE·Mar 5·1 min readFollowF02D41/221TOYOTA MOTOR CO LTD [JP]
DEVICE FOR ESTIMATING AMOUNT OF DEPOSIT ACCUMULATION IN INTERNAL COMBUSTION ENGINEThe invention relates to a deposit amount estimation device for estimating a deposit amount by calculating an amount of a deposit on an injection hole wall face of a fuel injector (22). An increment j…DRIVE·Mar 5·1 min readFollowF02D41/221TOYOTA MOTOR CO LTD [JP]
COMBUSTION PRODUCT PRODUCTION AMOUNT ESTIMATION DEVICE, DEPOSIT SEPARATION AMOUNT ESTIMATION DEVICE, DEPOSIT ACCUMULATION AMOUNT ESTIMATION DEVICE, AND FUEL INJECTION CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE.This invention relates to a deposit remove amount estimation device for estimating inlet and outlet deposit remove amounts by calculating an inlet deposit remove amount which is an amount of a removed…DRIVE·Mar 5·2 min readFollowF02D41/221TOYOTA MOTOR CO LTD [JP]
Method for monitoring an injection valveMethod for monitoring an opening of an injection valve comprising a movable valve needle and preventing a fluid flow through a fluid outlet portion in a closing position and releasing the fluid flow t…DRIVE·Nov 13·2 min readFollowF02D41/221CONTINENTAL AUTOMOTIVE GMBH [DE]
Method and device for diagnosing injection systems of self-ignition enginesThe subject of the invention is a non-invasive method of diagnosing injection systems of self-ignition engines, marine engines in particular. The diagnostic method of the fuel injection process in a s…DRIVE·Oct 9·2 min readFollowF02D41/221AKADEMIA MORSKA W SZCZECINIE [PL]
INTERNAL COMBUSTION ENGINE CONTROL DEVICEAn internal combustion engine control apparatus includes an output-current abnormality-signal holding unit (112) that determines whether a current abnormality signal is being output from a current-abn…DRIVE·Aug 8·1 min readFollowF02D41/221KEIHIN CORP [JP]
Method for recognising and determining a defective high pressure pump of a common rail system by means of sensor signals and control device for a combustion engineThe engine (1) has two injection pumps (2, 3) driven by a camshaft/crankshaft of the engine. The pumps convey a fuel into a common rail (4) and into a respective cylinder head of the engine. The commo…DRIVE·Jun 22·1 min readFollowF02D41/221DEUTZ AG [DE]
Fuel pump apparatusThe arrangement has a pump element, a pressure damper with a vent line for compensating fluctuations on the low pressure input side and a shut-off valve in the vent line, whose end not connected to th…DRIVE·Jun 30·2 min readFollowF02D41/221BOSCH GMBH ROBERT [DE]
Fuel supply control system for internal combustion engineA fuel supply control system is arranged to execute a first diagnosis based on the a fuel injection quantity (Qi) and a fuel pump discharge quantity (Q) after a feedback control of a fuel pressure (p)…DRIVE·Dec 17·1 min readFollowF02D41/221NISSAN MOTOR [JP]
Method, computer program and apparatus for controlling and/or diagnosing a fuel metering device, and internal combustion engineThe control and/or diagnosis process is for an engine (1) with a mixture adaptation function. Fuel from at least one valve (5) is injected directly into at least one combustion chamber (4). The proces…DRIVE·Sep 17·1 min readFollowF02D41/221BOSCH GMBH ROBERT [DE]
