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| Number | Title | Issue Date |
| 8113186 | Multifuel internal combustion engine A multifuel internal combustion engine in which single low boiling point component fuel and at least one kind of fuel having properties different from those of the single low boiling point component fuel are introduced into a combustion chamber CC separately or toge... | 02/14/2012 |
| 7740010 | System and method of stoichiometric combustion for hydrogen fueled internal combustion engines A system includes a hydrogen fueled internal combustion engine, a fuel system configured to provide a flow of hydrogen fuel to the engine, and an exhaust gas recirculation (EGR) system configured to provide a flow of recirculated gas to the engine which includes exh... | 06/22/2010 |
| 7690370 | Fuel injection controller for internal combustion engine A fuel injection controller for an internal combustion engine. The engine includes a fuel vapor treatment device having a collector for collecting fuel vapor generating in a fuel tank; a purge line that introduces purge gas into an intake passage of the engine, the ... | 04/06/2010 |
| 7503320 | Method of operating an engine at idle speed for operational diagnosis of a purge valve This in particular involves testing the operation of a fuel vapor purge valve (31). The engine (1) is running at idle. An idle speed controller (ISC, 47) acts on the engine idle speed. At a given moment in this operation of the engine, a command... | 03/17/2009 |
| 7392800 | Fuel vapor treatment A fuel vapor treatment system includes a canister containing an adsorbent, a detector detecting a concentration of a fuel vapor, a purge passage for introducing the mixture gas into an engine, and an ECU which controls a purge based on a detected fuel vapor conditio... | 07/01/2008 |
| 7370642 | Fuel vapor treatment apparatus A CPU measures an actual air-fuel ratio based on the signals detected by the air-fuel ratio sensor. When the difference between the actual air-fuel ratio and a target air-fuel ratio is larger than a predetermined value, the computer determines that a fuel vapor amou... | 05/13/2008 |
| 7363906 | Control system for internal combustion engine A control system for an internal combustion engine, which can determine just enough amounts of demanded combustion fuel and auxiliary fuel during execution of auxiliary fuel supply, for improvement of fuel economy and drivability and the emission-reducing capability... | 04/29/2008 |
| 7322344 | Fuel injection control apparatus for internal combustion engine An internal combustion engine includes a direct injector for injecting fuel directly into a combustion chamber of the engine, an intake passage injector for injecting fuel into an intake passage of the engine, and a vaporized fuel processing unit for purging purge g... | 01/29/2008 |
| 7320309 | Method and device for controlling an internal combustion engine A method and device for controlling an internal combustion engine are provided. A first quantity characterizing the actually injected fuel amount and a second quantity characterizing the desired amount of fuel to be injected are determined on the basis of performanc... | 01/22/2008 |
| 7320315 | Fuel vapor treatment system for internal combustion engine A butterfly valve restricts flow passage areas of a purge passage and a blow-by gas passage by the same degree. A first pressure sensor detects variation in pressure of the purge gas, which is generated by the butterfly valve. A second pressure sensor detects variat... | 01/22/2008 |
| 7316225 | Fuel vapor treatment apparatus A fuel vapor treatment apparatus that includes a purge valve for controlling a quantity of fuel vapor purged from a canister. The apparatus also includes a controlling device that drives the purge valve based upon flow characteristic of the purge valve to a control ... | 01/08/2008 |
| 7316228 | Evaporated fuel treatment system for internal combustion engine In an evaporated fuel treatment system, a pump is operated to flow air through a specified restriction and a sensor detects a first differential pressure across the restriction. A fuel tank, a canister, and the restriction are made to communicate with each other and... | 01/08/2008 |
| 7311094 | Method for operating an internal combustion engine Operation of an internal combustion engine with oil lubrication and electronic fuel injection, includes the steps of determining a flow of fuel mass (mkp_ausg) evaporating out of oil, and determining a setpoint injected-fuel quantity (rk_ev) with taking into account... | 12/25/2007 |
| 7305978 | Vaporized fuel purge system A feedback correction coeficient used to perform feedback-control of the fuel injection amount based on the air-fuel ratio of exhaust gas is calculated. A concentration updating based value is set based on the deviation of the oscillation center of the feedback corr... | 12/11/2007 |
| 7299794 | Control system for supplying fuel vapour at start-up and method for using the system A method and a system for improved control of fuel supply to an internal combustion engine are presented. The system, in addition to a liquid fuel injector, includes a fuel vapor injector disposed in an engine air intake manifold. The method includes determining the... | 11/27/2007 |
| 7290534 | Injector leakage limitation A fuel supply system (100) for a combustion engine (180) has at least one fuel injector (110), a fuel pump (130) and a conduit (150) connecting the fuel pump (130) with the fuel injector (110). An air intake valve ( | 11/06/2007 |
| 7260928 | Diagnostic device for secondary air supply system A secondary air control system supplies secondary air to the upstream of a catalyst purifying exhaust gas in an exhaust passage of an engine. A diagnostic device includes a secondary air detecting means that detects a secondary air information related to pressure of... | 08/28/2007 |
| 7251557 | Method for auto-ignition operation and computer readable storage device for use with an internal combustion engine An internal combustion engine that can be operated in compression ignition mode, comprising a fuel injector (2) for each cylinder; a fuel injection control unit (4) for controlling fuel injection quantity and a piston (5) in each cylinder whose ... | 07/31/2007 |
| 7234447 | Control device of internal combustion engine When an injection sharing ratio r is neither 0 nor 1, an engine ECU executes a program including a step of calculating a purge reduction amount of an in-cylinder injector as fpg×r and calculating a purge reduction amount of an intake manifold injector as fpg×(1-r)... | 06/26/2007 |
| 7222483 | Device for supplying secondary air There is provided a device for supplying secondary air, which comprises a secondary air passage for supplying secondary air, to an exhaust passage of an engine, upstream of an exhaust purification device provided in the exhaust passage, a pump provided in the second... | 05/29/2007 |
| 7216640 | Engine control to compensate for fueling dynamics A method for calculating transient fuel wall wetting characteristics of an operating engine is described. The method accounts for cylinder valve deactivation of cylinders in the engine in calculating the dynamic fueling compensation. In one example, fuel vaporizatio... | 05/15/2007 |
| 7209826 | Fuel properties estimation for internal combustion engine Fuel properties estimating apparatus for an internal combustion engine includes a controller to determine an estimated component concentration of a component in a fuel. The controller calculates an air-fuel correction quantity in accordance with an actual air fuel r... | 04/24/2007 |
| 7203591 | Method for controlling an internal combustion engine A method for controlling an internal combustion engine in which each cylinder of the internal combustion engine is assigned at least one system deviation and at least one controller, each controller predefining a cylinder-specific control signal on the basis of the ... | 04/10/2007 |
| 7198025 | In-cylinder injection type spark-ignition internal combustion engine When, in a coexistence region where stratified combustion by a spray-guide method (SG combustion) and stratified combustion by a wall-guide method (WG combustion) are both practicable, a change from the SG combustion to the WG combustion is carried out, an ECU obtai... | 04/03/2007 |
| 7185641 | Control apparatus of internal combustion engine Both evaporated fuel purge and EGR are performed by supplying both an evaporated fuel and an exhaust gas at a position downstream from a throttle valve, of an intake pipe. A controller for controlling a purge flow rate and an EGR flow rate controls an opening degree... | 03/06/2007 |
| 7182050 | Control device for spark-ignition engine The invention is intended to provide improved emission-cleaning performance by use of a three-way catalyst alone, without the need for a lean NOx catalyst, while ensuring a fuel economy improvement effect of lean burn operation. A multicylinder spark-ignition engine... | 02/27/2007 |
| 7182072 | Purge fuel vapor control A system and method for controlling the introduction of purge fuel vapor into a multi-cylinder internal combustion engine is provided. According to one aspect of the disclosure, a schedule for opening and closing an on-off, pulse-width-modulated, purge control valve... | 02/27/2007 |
| 7177752 | Method of regulating an internal combustion engine A method of regulating an internal combustion engine, in particular involving a lean-burn mode of operation, for achieving predeterminable nitrogen oxide emission values from the internal combustion engine, wherein the actual value of the λ-value or the calorific v... | 02/13/2007 |
| 7171960 | Control apparatus for an internal combustion engine A control apparatus for an internal combustion engine prevents variation of an air fuel ratio even upon introduction of purge air. A delay time occurring until the intake air detected, after having arrived at the combustion chamber through a surge tank, influences a... | 02/06/2007 |
| 7161258 | Control apparatus for internal combustion engine In a control apparatus for an internal combustion engine, an amount of electricity to be generated by an alternator (a target charging voltage) is set based on a vapor concentration of vaporized fuel when a purge execution condition is met for purging the vaporized ... | 01/09/2007 |
| 7146969 | Motor vehicle comprising an activated carbon filter and method for regenerating an activated carbon filter 1. Motor vehicle having an activated carbon filter and method for regenerating an activated carbon filter. 2. A motor vehicle (1) is proposed, comprising an, in particular, direct-injection internal combustion engine (2), a fuel tank (3) ... | 12/12/2006 |
| 7149619 | Method of regulating an internal combustion engine A method of regulating an internal combustion engine, in particular involving a lean-burn mode of operation, for achieving predeterminable nitrogen oxide emission values from the internal combustion engine, wherein the λ-value of a fuel-air mixture to be burnt in t... | 12/12/2006 |
| 7143756 | Control device and control method for internal combustion engine If the amount of fuel added to exhaust gas becomes excessive as a result of an abnormality of an addition agent supply unit (60), the air-fuel ratio of exhaust as decreases. If an exhaust gas air-fuel ratio obtained from a value output from an A/F sensor (... | 12/05/2006 |
| 7144558 | Wood gasification apparatus A wood gasification apparatus in which cellulosic material is transported by an auger through a housing and heated to vaporize at least a portion of the cellulosic material by frictional heating. The auger and housing define a spiral void through which the cellulosi... | 12/05/2006 |
| 7140360 | System for controlling exhaust emissions produced by an internal combustion engine A system for controlling the air-to-fuel ratio in an internal combustion engine includes an air intake conduit coupled to an intake manifold, an EGR valve disposed in-line with an EGR conduit responsive to a valve control signal, a lambda sensor producing a lambda s... | 11/28/2006 |
| 7128065 | Method and device for controlling an internal combustion engine A method and a device are described for controlling an internal combustion engine. On the basis of the comparison of a setpoint value with an actual value for a variable that characterizes the supplied oxygen quantity, an actuating variable is predefined for control... | 10/31/2006 |
| 7124018 | Method for diagnosing a tank venting valve A method for testing the operability of a tank venting valve between an internal combustion engine and a fuel vapor storage device of a motor vehicle. The stored fuel vapor from the fuel vapor storage device is fed to the internal combustion engine when the tank ven... | 10/17/2006 |
| 7111593 | Engine control to compensate for fueling dynamics A method for calculating transient fuel wall wetting characteristics of an operating engine is described. The method accounts for cylinder valve deactivation of cylinders in the engine in calculating the dynamic fueling compensation. In one example, fuel vaporizatio... | 09/26/2006 |
| 7111454 | Fuel control compensation for secondary air system flow variation An engine control system and method maintains an optimum exhaust fuel to air ratio in an internal combustion engine. A secondary air injection (SAI) pressure is measured in an SAI system. The SAI pressure measurement is converted into an SAI flow value. A fuel compe... | 09/26/2006 |
| 7102322 | Motor controller A microcomputer includes an actual DUTY value detection section that detects an actual DUTY value γx by measuring the ratio of time in which an output voltage of each phase becomes a power supply voltage in a cycle of a triangular wave. A dead time compensation com... | 09/05/2006 |
