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| Number | Title | Issue Date |
| 8051838 | Fuel injection control device A high-pressure pump section pumps fuel in a fuel tank into a delivery pipe. An injector injects the fuel in the delivery pipe directly into a combustion chamber of an engine. An ECU calculates fuel injection quantity based on an operation state of the engine and ca... | 11/08/2011 |
| 7707995 | Multi-cylinder engine fuel control method, engine fuel injection amount control method and engine operation state discrimination method using the same, propulsion apparatus for multiple engines, and fuel injection control method during crash astern in marine engine with reduction and reversal device Rotation recognition means for recognizing a revolution of a crankshaft based on the cylinders before the combustion cycle of a cylinder in question is provided. When the supply of fuel by injection from an injector to a certain cylinder of the six cylinders has bec... | 05/04/2010 |
| 7438066 | Method and device for controlling an internal combustion engine A method and device for controlling an internal combustion engine, in which the fuel quantity to be injected into the engine is limited to a limiting value. The limiting value is predefined on the basis of the output signal of a closed-loop controller or an open-loo... | 10/21/2008 |
| 7370518 | Heating resistor type fluid flow rate measuring apparatus and control apparatus for internal combustion engine having the measuring apparatus To realize a control apparatus for an internal combustion engine having a heating resistor type air flow rate measuring apparatus which can effectively remove salinity adhered to the heating resistor. Salt adheres not only to the heating portion of a heating resisto... | 05/13/2008 |
| 7370521 | Method to detect a contaminated fuel injector A method of diagnosing a fuel injector of an engine system as contaminated is provided. The method comprises: recording a first fuel injection quantity; commanding a fuel rail pressure high; recording a second fuel injection quantity while the fuel rail pressure is ... | 05/13/2008 |
| 7364793 | Powdered lithium transition metal oxide having doped interface layer and outer layer and method for preparation of the same The present invention provides a powdered lithium transition metal oxide useful as a major component for cathode active material of rechargeable lithium batteries, comprising a lithium transition metal oxide particle, a doped interface layer formed near the surface ... | 04/29/2008 |
| 7363183 | Method for correcting sensor signal The invention provides a method of compensating for the error of a signal indicative of the mass of air flow output from an air mass flow sensor for an internal combustion engine, the method comprising deriving an air mass flow value from an air mass flow sensor out... | 04/22/2008 |
| 7357122 | Internal combustion engine control apparatus An engine ECU executes a program including the steps of: detecting an engine speed NE, a throttle angle THA and an amount of intake air GA; estimating an amount of intake air GAINI from the engine speed NE and the throttle angle THA; if the estimated amount of intak... | 04/15/2008 |
| 7359795 | Calibration method for air intake tracts for internal combustion engines A Calibration Method for Air Intake Tracts for Internal Combustion Engines is disclosed. The method tunes the replacement cold air intake so that the Original Equipment Mass Airflow Sensor will function with the emissions control system without check engine light il... | 04/15/2008 |
| 7358644 | Method for controlling an actuator and control device belonging thereto A method for the electric control of an actuator, especially a piezoelectric actuator of an injection system comprises the following steps: charging the actuator; waiting during a specific period of time (D1, D2) and discharging the actuator after the ... | 04/15/2008 |
| 7357127 | Method for determining the air mass in a cylinder The method for determining an air mass in a cylinder of an internal combustion engine with a supercharging device and with a device for variably controlling the valve overlap of the gas exchange valves is characterized by a reference characteristic curve for the air... | 04/15/2008 |
| 7353104 | Signal output unit and electronic control unit A timer module in an ECU has an angle counter and a timer counter. A value counted by the angle counter indicates a crank angle of a crankshaft. Under the control of the termination to output an ignition pulse signal to an igniter, the ECU inverts the level of the i... | 04/01/2008 |
| 7286925 | Method for pulsation correction within a measuring device measuring a media mass flow A method and a device for the pulsation correction of measured values of a flow device, which is used to measure pulsating gas flows in internal combustion engines. A raw signal of the flow sensor is fed to an adder of a compensation circuit. The raw signal is at th... | 10/23/2007 |
| 7285247 | Apparatus and method for operating a fuel reformer so as to purge soot therefrom A method of operating a fuel reformer includes advancing a first air/fuel mixture having a first air-to-fuel ratio into the fuel reformer. The method further includes determining if a soot purge is to be performed and generating a purge-soot signal in response there... | 10/23/2007 |
| 7246603 | Control unit for an internal combustion engine A control unit calculates a quantity of air that is taken into an engine from an output current from an air flow meter that is located downstream from a throttle valve. The control unit then determines the quantity of fuel to be injected for this quantity of air. A ... | 07/24/2007 |
| 7244281 | Method and apparatus for trapping and purging soot from a fuel reformer A plasma fuel reformer assembly for producing reformate gas includes a fuel reformer having an air/fuel input assembly, an electrode assembly, and a soot trap positioned downstream of the electrode assembly. The electrode assembly includes a first electrode and a se... | 07/17/2007 |
| 7219003 | Regulating the mode of operation of an internal combustion engine Combustion failures of an internal combustion engine are controlled in closed loop fashion by sampling an engine r.p.m. to obtain a speed signal. The speed signal is subjected to a Hartley-Transformation to obtain angular frequencies or engine orders which are furth... | 05/15/2007 |
| 7212912 | Internal cylinder pressure detection An in-cylinder pressure sensor outputs a signal corresponding to a change rate of an internal cylinder pressure of an engine. The output signal of the in-cylinder pressure sensor is filtered so that frequency components lower than frequencies that substantially comp... | 05/01/2007 |
| 7162357 | Signal conditioner and user interface A signal modifying device, user interface, and method of modifying a signal. The signal modifying device includes a processor, a first input coupled to the processor and an output coupled to the processor. Instructions are stored within the processor that, when exec... | 01/09/2007 |
| 7150139 | Lawnmower utilizing hydrogen from the electrolysis of water A lawnmower having a hydrogen generator for supplying hydrogen to drive an hydrogen operated engine. A regulator supplies hydrogen to drive an engine for operating a cutter assembly of the lawnmower. ... | 12/19/2006 |
| 7124013 | Control device, control method, control unit, and engine control unit There are provided a control device, a control method, a control unit, and an engine control unit, which are capable of controlling a controlled object with relatively large phase delay and dead time, while attaining elimination of lag in control timing between the ... | 10/17/2006 |
| 7082929 | Method for determining amount of fuel injection in engine system Determining a fuel injection amount of an engine system having a crank sensor and airflow sensor includes computing a speed change of engine revolutions per minute and computing a speed change of an intake-air amount. Comparing the speed change of the engine rpm and... | 08/01/2006 |
| 7075144 | Non-volatile memory device The present invention includes a method of fabricating a non-volatile memory device having two transistors for two-bit operations to improve electron trapping efficiency and integration degree of the non-volatile memory device, and a method of driving the non-volati... | 07/11/2006 |
| 7028644 | High compression ratio, hydrogen enhanced engine system A hydrogen enhanced engine system using high compression ratio is optimized to minimize NOx emissions, exhaust aftertreatment catalyst requirements, hydrogen requirements, engine efficiency and cost. In one mode of operation the engine is operated very lean (equival... | 04/18/2006 |
| 7031823 | Signal conditioner and user interface A signal conditioning device, user interface, and method of conditioning a signal. The signal conditioning device includes a processor, a first input coupled to the processor and an output coupled to the processor. Instructions are stored within the processor that, ... | 04/18/2006 |
| 7024945 | Flow sensing apparatus A flow sensing apparatus for detecting fluid flow rate and direction is described. The flow sensing apparatus includes a flow-responsive element projecting into the fluid flow path, and a position sensor which detects the degree and direction of any change in positi... | 04/11/2006 |
| 7021284 | Method and apparatus for minimizing engine air tip-in noise A method for throttle progression control to minimize tip-in noise of an internal combustion engine by allowing the engine to receive only the required air for the commanded engine acceleration. The method comprises the steps of a) providing an electronically contro... | 04/04/2006 |
| 6976475 | Method for detecting a leakage in the intake port of a combustion engine, and a combustion engine equipped for implementing the method In a combustion engine, the fuel quantity is determined as a function of the inflowing air mass. As a measure for the inflowing air mass, one uses either a main load signal, which is generated by an air-mass flow sensor and represents a measure of the inflowing air ... | 12/20/2005 |
| 6975061 | Apparatus for moving a pair of opposing surfaces in response to an electrical activation An apparatus for moving a pair of opposing surfaces in response to an electrical activation having a support including a rigid non-flexing portion, at least one pivotable arm portion extending from the rigid non-flexing portion, a pair of opposing surfaces with one ... | 12/13/2005 |
| 6957127 | Dynamic current-to-pneumatic converter and pneumatic amplifier A dynamically balanced pneumatic relay amplifier and a current-to-pneumatic converter are disclosed. The relay has a balance plug, a supply plug positioned on top of the balance plug, a bead chain connecting the balance plug and the supply plug, and a vent plug posi... | 10/18/2005 |
| 6924586 | Uni-body piezoelectric motor An apparatus according to the present invention includes a support structure having a primary portion with first and second arm portions formed thereon for movement relative to one another, and a secondary portion with either a clamp portion or valve portion integra... | 08/02/2005 |
| 6915788 | Engine controller To provide a method of processing intake air pressure signals for accurately detecting the engine load including the accelerating state and the intake air flow rate from the intake air pressure. Intake air pressure signals detected with an intake air pressure... | 07/12/2005 |
| 6868328 | Diesel engine fuel control system A method and system for controlling fuel for an internal combustion engine. Two fuel demand signals are provided, one from an idle speed fuel controller (i.e., a base fuel demand signal) and one from pedal position (i.e., an unmodified pedal fuel demand signal). The... | 03/15/2005 |
| 6837233 | System for enhancing performance of an internal combustion engine A system for improving the performance of a motor vehicle internal combustion engine includes a controller positioned between an O2 sensor. The controller alters the O2 sensor signals and adjusts supplemental sensor signals received from supple... | 01/04/2005 |
| 6810859 | Control system of internal combustion engine with output correcting means of thermal type air flow sensor Disclosed here is a control unit employed for an internal combustion engine and provided with air flow sensor output correcting element capable of correcting a detected voltage error to occur in the air flow sensor according to a surge voltage and a supply voltage a... | 11/02/2004 |
| 6789414 | Estimation apparatus of air intake flow for internal combustion engine and estimation method thereof In an estimation apparatus of an air intake flow for an internal combustion engine, an air intake flow rate fed into a portion just upstream of an intake valve at a predetermined timing before starting of fuel injection is calculated based on an output of an air flo... | 09/14/2004 |
| 6712046 | Engine control device An engine control device includes a reference voltage memory device (21) for memorizing reference voltage VAFS_STD of AFS (9) for controlling an engine (1) under a normal state, a comparing device (22) for comparing an output voltage VAFS... | 03/30/2004 |
| 6711491 | Mass airflow sensor for pulsating oscillating flow systems A method for calibrating an output signal of a mass airflow (MAF) sensor in operative communication with an induction system of an internal combustion engine is provided. The method comprises the steps of determining an engine speed value, determining a maximum MAF ... | 03/23/2004 |
| 6705295 | Method for measuring the fuel pressure in an injection train of an internal combustion engine The injectors (6i) allocated to the cylinders are supplied with fuel by a common injection train and their opening time is calculated and controlled by a computer. According to the invention, a) any possible overlap in the opening time of at least two ... | 03/16/2004 |
| 6701906 | System and method for controlling fuel injection A system and method for controlling fuel injection of a vehicle, in which a MAP (manifold absolute pressure) sensor is used to calculate variations in intake pressure in a purge interval to perform compensation of a final fuel amount, thereby improving dr... | 03/09/2004 |
