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| Number | Title | Issue Date |
| 7406861 | Method and device for detecting the idle stroke of injectors In a method and device for characterising the return stroke of injectors, in particular piezo-injectors of an internal combustion engine provided with a common rail system, when the internal combustion engine is switched off, a constant pressure is dropped in the ra... | 08/05/2008 |
| 7380449 | Method and device for testing a fuel metering system A method and device for testing a fuel metering system. A control unit checks the injector contacts during the initialization phase prior to starting up the fuel metering system. For the test, the injectors are activated by the control unit, and the current values a... | 06/03/2008 |
| 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 |
| 7370519 | Device and method for detecting malfunctions in a fuel injection system provided with a fuel pressure damper In the low pressure zone (10) of a fuel injection system a fuel pressure damper (12) is provided which dampens pressure variations, especially such pressure variations that are caused by operation of a high-pressure fuel pump (16) mounted downst... | 05/13/2008 |
| 7370520 | Method of testing a fuel injection valve for a diesel engine Method of testing a fuel injection valve 1 for a diesel engine by supplying pressurized oil to the inlet side of the valve. According to the invention the oil pressure is gradually recorded, the pressure increase being interrupted at the moment when the openi... | 05/13/2008 |
| 7370635 | System and method for resolving electrical leads A control system for controlling a device, the device having at least two functional elements, each functional element being controlled by a control signal, is disclosed in the present disclosure. The control system may include detecting means operatively connected ... | 05/13/2008 |
| 7370638 | Fuel injection control system ensuring steady balance in pressure in accumulator An accumulator fuel injection system working to energize fuel injectors to inject fuel at a sequence of injection timings into an internal combustion engine and also to control a fuel pump to feed the fuel to an accumulator at a sequence of controlled times for comp... | 05/13/2008 |
| 7367321 | Erroneous connection detecting method of ignition devices and apparatus of the same A method and an apparatus detect an erroneous connection between a plurality of ignition devices and a fuel injection control device. A first time interval is measured from an input of an ignition signal for a certain cylinder to an input of the next ignition signal... | 05/06/2008 |
| 7363141 | Apparatus and method for manufacturing fuel injection control systems A method is provided to manufacture a fuel injection control system controlling fuel injection in an internal combustion engine with a fuel injection valve. A fuel injection valve is trial-manufactured. Using this valve, correcting amounts for an injection period ar... | 04/22/2008 |
| 7357020 | Valve-testing system and method employing a fluid-transfer system with a reservoir A valve-testing system for gathering information relating to the operation of a fuel injector. The valve-testing system may include a fluid-transfer system. The fluid-transfer system may include an inlet configured to receive fluid discharged by the fuel injector, a... | 04/15/2008 |
| 7357123 | Electromagnetic actuator, fuel injection valve, method of controlling fuel injection valve, and method of driving the same Information storage element 102 and transmitter-receiver 103 are molded in resin connector part 101 of fuel injection valve 100 which projects outside of the engine by molding. The precise control of an injection amount is enabled by usin... | 04/15/2008 |
| 7353795 | Method for cylinder diagnostic test in an internal combustion engine In a multi-cylinder piston engine, a diagnostic method of determining if there is low compression in a cylinder (5) by using a split engine brake (18) and turning the engine brake on during one cycle and the engine brake off during another cycle and me... | 04/08/2008 |
| 7353095 | Diagnostic system for watercraft A diagnostic system is provided for a watercraft that is propelled by an outboard drive. Sensors can detect conditions of components related to at least the operation of the outboard drive. The diagnostic system can leave inside and outside computers. The inside com... | 04/01/2008 |
| 7343240 | Fuel injection controller In a case that actual values of a fuel injection quantity and fuel pressure are not in consistent with a representative point, an interpolation process is conducted by used of a learn value of a plurality of representative points. During the interpolation process, a... | 03/11/2008 |
| 7341048 | Fuel vapor treatment apparatus A concentration-detecting unit detects concentration of fuel vapor flowing in a concentration-detecting passage branched from a purge passage. The concentration-detecting passage communicates with a communicating passage of a canister. Air including the fuel vapor o... | 03/11/2008 |
| 7340118 | Fuel injectors with integral fiber optic pressure sensors and associated compensation and status monitoring devices Fuel injectors (10) for internal combustion engines are modified and equipped with fiber optic fuel pressure sensors (12) and fiber optic combustion pressure sensors (14). The combustion pressure sensors (14) are located in separate chann... | 03/04/2008 |
| 7337652 | Fuel system with leak location diagnostic features and component for same A leak diagnostic strategy for an engine equipped with a high pressure common rail fuel system includes a plurality of separate leak lines. Each of the leak lines is constructed and positioned to capture fuel leaking from one of several different high pressure space... | 03/04/2008 |
| 7333886 | Method for estimating quantity of fuel injected In a method for estimating an injected quantity of fuel of an isolated injection, the segment time of the cylinder in which the isolated injection takes place is evaluated numerically by forming the second temporal derivation. With the aid of the second temporal der... | 02/19/2008 |
| 7325781 | Automatic bathroom flushers with modular design A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 02/05/2008 |
| 7322340 | Engine fuel injection control method and engine fuel injection control apparatus An engine fuel injection control apparatus has a parameter setting section, a parameter changing section and a determining section. The parameter setting section is configured to set a parameter of fuel injected into an engine to a first injection parameter to contr... | 01/29/2008 |
| 7318419 | Method for determining the actuator energy required for the different injection types of an actuator of an internal combustion engine In a method for determining the actuator energy required for the different injection types of an actuator of an internal combustion engine, the actuator is impinged by a control signal in such a way that an actuator signal is generated and an injection parameter of ... | 01/15/2008 |
| 7316153 | Method, apparatus, and computer program for measuring the leakage from fuel injection systems for internal combustion engine A method for ascertaining the leakage from injection systems is proposed which is fully automatable and which furnishes unambiguous measurement results, which make a simple decision possible about the tightness of an injection system, in particular of an injector or... | 01/08/2008 |
| 7313950 | Integrated multisensor An integrated multisensor, in particular for use in an internal combustion engine of a motor vehicle is provided. The multisensor includes at least one pressure/temperature sensor, at least one magnetic field sensor, and a plurality of insulating wells, wherein a se... | 01/01/2008 |
| 7299706 | Flow meter and method of using the same The invention relates to a new method and a new apparatus to accurately measure flow rates in injection systems such as gasoline, direct injection gasoline and diesel downstream of the injector where the fuel (liquid in general) is discharged from a nozzle (e.g. an ... | 11/27/2007 |
| 7278405 | Fuel injection system designed to ensure enhanced reliability of diagnosis of valve A fuel injection system for automotive diesel engine is provided which is equipped with a fuel pressure sensor working to measure the pressure of fuel in an accumulator and a pressure-reducing valve working to drain the fuel from the accumulator. The system is desig... | 10/09/2007 |
| 7275009 | Fault diagnosis apparatus A fault diagnosis section activates a driving component alone, measures an operation state signal and a paper passage time, and stores feature values (Vm, σv, Tqs, σts) extracted as a determination reference in a storage medium. A paper passage fault determination... | 09/25/2007 |
| 7273039 | Control apparatus for vehicular internal combustion engine In a case where fuel injection system abnormality is detected, and fuel supply stop processing is carried out against the abnormality, since a judgment is made using a misfire judgment, in a case where the misfire judgment is carried out in a periodic measurement sy... | 09/25/2007 |
| 7272486 | Method of controlling an internal combustion engine with a common rail fuel injection system In a method of controlling an internal combustion engine with a common rail fuel injection system including individual fuel storage chambers for the supply of fuel to the various cylinders of the internal combustion engine, a fuel pressure (pE(i)) is determined duri... | 09/18/2007 |
| 7269500 | Process for determining the operating parameters of an injection device A process for determining the operating parameters of an injection device of a combustion engine includes the steps of: (a) selecting an injector to test; (b) calculating a mean velocity associated with a preceding injector arranged before the injector to test; c) a... | 09/11/2007 |
| 7257994 | Measuring device and method for determining the position of an electrically conductive test object Measuring device and method for determining the position of an electrically conductive test object (1) with a noncontacting sensor, in particular an eddy current sensor (2), wherein the test object (1) is adapted for linear reciprocal movement i... | 08/21/2007 |
| 7257995 | Method for testing nozzles of internal-combustion engines A method according to the invention makes it possible to make a check of the correct installation and operation of piston cooling nozzles (10) in a cold text prior to the final assembly of the engine by applying compressed air to each piston cooling nozzle ( | 08/21/2007 |
| 7257813 | System and method for a control unit with a scheduler preventing simultaneous activation of modules from interference A control unit for a system and a method of operating a control unit have modules that are activated. Before activation of a certain module, inquiries are made to detect cross-dependencies with other modules that have already been activated. To do so, a first storag... | 08/14/2007 |
| 7254993 | Device for measuring time-resolved volumetric flow processes The invention relates to a device for measuring time-resolved volumetric throughflow processes, especially injection process in internal combustion engines, having a translational volume difference sensor having a piston disposed in a measuring compartment and a det... | 08/14/2007 |
| 7253539 | Circuit arrangement and method for sequential classification of a plurality of controllable components A circuit arrangement for sequential classification of a plurality of controllable components, to each of which a calibration resistor (11) is assigned for which the resistance value classifies the component in relation to at least one characteristics, compri... | 08/07/2007 |
| 7252072 | Methods and systems of diagnosing fuel injection system error A fueling system for an internal combustion engine. The system has a voltage booster and a fuel injector. The voltage booster is operatively coupled to the injector to selectively drive the injector. A method includes determining compliance of a booster voltage with... | 08/07/2007 |
| 7234450 | Gas density ratio detector, gas concentration detector, and fuel vapor treatment apparatus When a gas flow producer is driven, plural kinds of gases flow into a measure-passage at respective timing. An orifice is provided in the measure-passage. The orifice has a diameter-changing portion which restricts a separation of gases from an inner surface of the ... | 06/26/2007 |
| 7232110 | Automatic flush actuation apparatus An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve member being moved by a flush lever for releasing the water pressure with... | 06/19/2007 |
| 7231816 | Method and apparatus for continuous measuring of dynamic fluid consumption A method and device for continuous measuring of dynamic fluid consumption, particularly gaseous or liquid motor fuel, employs a continuously operating flow sensor with variable decrease in pressure, preferably a mass flow sensor. The pressure downstream from the flo... | 06/19/2007 |
| 7228746 | Strain-measuring device The invention relates to a miniature, integrated strain-measuring device with a simple and economical design which can be mass produced at least cost and comprising reliable, reproducible and tamperproof settings. The inventive device can be quickly installed on the... | 06/12/2007 |
| 7228729 | Apparatus and method for testing fuel flow Apparatus for testing fuel flow in a return or returnless fuel system. The apparatus comprises a housing, a primary flow passage in the housing having an inlet for connection to the fuel system for receiving fuel pumped by the fuel pump, and an outlet adapted for co... | 06/12/2007 |
