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| Number | Title | Issue Date |
| 7757668 | Method of correcting flow rate in fuel supply unit of fuel cell system A method of controlling a flow rate of fuel in a fuel supply unit of a fuel cell system is provided. The fuel cell system includes a fuel pump, a revolution per minute (RPM) measuring unit, a microcomputer, and a power converter. The method of controlling the flow r... | 07/20/2010 |
| 7350503 | Fuel injection pump A fuel injection pump 100 comprises a thermoelement CSD 47 for advancing injection timing in a cold temperature condition. The CSD 47 uses a piston 46 for opening and closing a sub port 42 formed in a plunger barrel 8. An el... | 04/01/2008 |
| 7350508 | Advance arrangements An advance arrangement for use in controlling timing of fuel delivery by a fuel pump for use in an engine comprises an advance piston (12) which is slidable within a first bore (14) and which cooperates, in use, with a cam arrangement of a fuel pump to... | 04/01/2008 |
| 7347186 | High-pressure pump for a fuel, with sump in communication with the fuel The pump (7) is provided with a body (16) having a compartment (17), and with at least one pumping element (13) that moves in a cylinder (12) in communication with the compartment (17), to raise the pressure of the fuel. The... | 03/25/2008 |
| 7339283 | Electronic load regulator An electronic load regulation system for a locomotive may comprise a solid state replacement for existing electro-mechanical load regulators that are used to adjust the excitation current in the field windings of the locomotive's generator. A pressure sensor may inc... | 03/04/2008 |
| 7311086 | Low emission fuel efficient diesel locomotive engine including a piston having a toroidal surface A diesel locomotive engine having a piston with a unique bowl geometry. The bowl is defined in part by a center portion having a partial spherical shape. A cone portion (22) is located adjacent the central portion. An annular toroidal surface (24) is c... | 12/25/2007 |
| 7299789 | Fuel injection timer and current regulator A fuel injector control system and method provides precise fuel injection timing while eliminating the need for a voltage regulator by estimating or predicting ramp times between voltage application and actual fuel injection. In one embodiment, an estimated ramp tim... | 11/27/2007 |
| 7278593 | Common rail fuel injector A common rail fuel injector comprises a three-way control valve that controls the flow of high-pressure fuel to a fuel cavity for fuel injection. Specifically, when the control valve is transitioning to a first, on position, from a second, off position, high-pressur... | 10/09/2007 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7261090 | Electromagnetic controlled fuel injector The injector is provided with an electromagnetic opening/closing valve device composed such that a command piston device is provided at an end side of the poppet valve opposite to the solenoid device. The command piston device has a command piston capable of being c... | 08/28/2007 |
| 7252073 | Engine timer for cold-start advance Each of paired centrifugal weights are interlockingly connected to an advancing spring, which is interlockingly connected to a temperature-sensing operation device. When cold-starting the engine, the advancing spring is maintained extensible based on a state of the ... | 08/07/2007 |
| 7252074 | Advance arrangements An advance arrangement for controlling timing of fuel delivery by a fuel pump in an engine comprises an advance piston which is movable in either an advance or a retard direction to advance or retard, respectively, the timing of fuel pump delivery, wherein a surface... | 08/07/2007 |
| 7198034 | Method and system for the direct injection of fuel into an internal combustion engine A method and system for the direct injection of fuel into an internal combustion engine, according to which a high-pressure pump with a variable flow rate supplies the fuel to a common rail, which in turn supplies the fuel to a series of injectors; the flow rate of ... | 04/03/2007 |
| 7133761 | Method and apparatus for controlling an internal combustion engine using accelerometers A method for processing an accelerometer data set generated from an operating internal combustion engine is disclosed. The processed accelerometer data is cepstrally filtered and a heat release trace is pulled from the accelerometer data set. That heat release trace... | 11/07/2006 |
| 7083126 | Fuel injection arrangement A fuel injection arrangement, which comprises a fuel source and a fuel nozzle connected thereto, including a fuel chamber and a needle valve arrangement in connection with the fuel chamber for controlling the fuel injection and an arrangement for bringing about a fo... | 08/01/2006 |
| 7048516 | High pressure fuel pump with multiple radial plungers A fuel pump for supplying fuel at high fuel pressures includes a stationary body having a plurality of radial cylinders connecting with a central fuel chamber. Inlet and outlet passages communicate with the fuel chamber. Plungers are reciprocated in the cylinders by... | 05/23/2006 |
| 7044095 | Roller tappet with cold advance A cold advance device for advancing the injection beginning in cold condition diesel engine with single plunger pumps, by means of which the injection onset is adjusted in cold conditions and also in normal conditions. A piston is provided in the roller tappet and t... | 05/16/2006 |
| 7021293 | Method for the automatic control of an internal combustion engine-generator unit An automatic control method for a load application for an internal combustion engine-generator unit. The method includes computing a first injection start at a steady-state speed by an injection start input-output map and setting this first injection start as the co... | 04/04/2006 |
| 7017553 | Fuel injection device for an internal combustion engine A fuel injection apparatus having a high-pressure fuel pump and a fuel injection valve for each cylinder of an internal combustion engine, in which fuel pump has two pump pistons driven by the engine and delimiting a pump working chamber supplied with fuel from a ta... | 03/28/2006 |
| 6973923 | Dynamic fuel injection control pressure set-point limits An internal combustion engine fuel system applies injection control pressure to fuel injectors (26) to force fuel into combustion chambers (28). A processor of a control system (22) develops data values for injection control pressure set-point (... | 12/13/2005 |
| 6968830 | Apparatus and method for suppressing internal combustion ignition engine emissions A method of reducing emissions from a large, medium speed fuel injected diesel engine of the type used on locomotives subject to transient modes of engine operation in which the engine is accelerated or increased loads are applied. The method comprises: monitor at l... | 11/29/2005 |
| 6966301 | Accumulator fuel system An accumulator fuel system for an internal combustion engine having a plurality of engine cylinders, includes an accumulator fuel volume for supplying high pressure fuel to one or more of a plurality of injectors, each of which is arranged to supply fuel to an assoc... | 11/22/2005 |
| 6941932 | Advance arrangement An advance arrangement controls timing of fuel delivery by a fuel pump for use in an engine. The advance arrangement includes an advance piston, a servo piston, a light load piston, and an arrangement. The advance piston is slidable within a first bore and cooperate... | 09/13/2005 |
| 6935294 | Fluid actuated engine starting system and method for a hybrid vehicle powertrain A pump-motor is used to move engine pistons to a position where the exhaust ports of a first cylinder are opened, and later to move the pistons to a position where the inlet ports and exhaust ports of the first cylinder are closed. Fuel is then injected into the fir... | 08/30/2005 |
| 6935307 | Diesel engine A diesel engine capable of favorably preventing the generation of white smoke even when an engine load is shifted from a high load side to a low load side. For this purpose, a diesel engine (1) includes fuel injection timing control means (42) for cont... | 08/30/2005 |
| 6923161 | Fuel injection timer and current regulator A fuel injector control system and method provides precise fuel injection timing while eliminating the need for a voltage regulator by estimating or predicting ramp times between voltage application and actual fuel injection. In one embodiment, an estimated ramp tim... | 08/02/2005 |
| 6910465 | Throttle valve especially for high-pressure diesel pumps of injection devices of motor vehicles A throttle valve for a high-pressure diesel pump of an injection device of a motor vehicle has at least one piston movable by a medium under pressure against a counter force and has at least one throttle location. A prestage valve in the form of a pressure control v... | 06/28/2005 |
| 6892709 | Pressure regulator A pressure regulator for use in regulating the outlet pressure of a pump for use in an engine comprises a piston member which is moveable with respect to an outlet opening under the influence of fluid pressure acting on the piston member to control the degree by whi... | 05/17/2005 |
| 6883499 | Advance arrangement An advance arrangement for use in controlling timing of fuel delivery by a fuel pump comprises an advance piston which is moveable within a first bore and which cooperates, in use, with a cam arrangement of a fuel pump to adjust the timing of fuel delivery by the pu... | 04/26/2005 |
| 6792922 | Injection pump having cold start acceleration for direct injection internal combustion engines A fuel delivery unit for an internal combustion engine including a housing, which includes a timing unit for shifting the point of injection of fuel into the combustion chambers of the internal combustion engine. An injection timing piston is accommodated in the tim... | 09/21/2004 |
| 6766792 | Engine component actuation module The present invention relates to a module for actuating fuel injectors and valves an internal combustion engine. The actuation module includes a housing having a high pressure rail and a low pressure rail. A plurality of actuation pistons are disposed in the housing... | 07/27/2004 |
| 6748930 | Mechanical distributor injection pump having cold-start acceleration A high-pressure pump for supplying internal combustion engines with fuel includes a housing, on which a timing unit for displacing the point of injection is accommodated. The timing unit includes an injection timing piston having inlet bores, and a regulating slide,... | 06/15/2004 |
| 6732716 | Metering valve arrangement A metering valve arrangement comprises a metering valve member which is angularly adjustable within a metering valve bore provided in a metering valve housing and an adjustment arrangement for adjusting the axial position of the metering valve member within the mete... | 05/11/2004 |
| 6718951 | Advance arrangement An advance arrangement for use in controlling timing of fuel delivery by a fuel pump comprises an advance piston which is moveable within a first bore and which cooperates, in use, with a cam arrangement of a fuel pump to adjust the timing of fuel delivery by the pu... | 04/13/2004 |
| 6619186 | Servo controlled timing advance for unit pump or unit injector A hydraulically actuated servo piston and hydraulic advance piston are integrated into the cam follower of a unit pump or injector to provide variable advance for an injection event produced by the pump or injector. The servo piston is nested in the advan... | 09/16/2003 |
| 6612292 | Fuel injection control for diesel engine A sensor (55) detects a parameter expressing the oxygen concentration or oxygen amount in gas aspirated into the diesel engine (51). A controller (41) calculates a target parameter during a steady running state of the diesel engine (51) (S4) and calculate... | 09/02/2003 |
| 6546916 | Fuel injection pump timing mechanism A mechanism for advancing and retarding the injection timing of a mechanically-actuated fuel injection pump. The mechanism includes a housing having a bore slidably receivable of an advance piston which cooperates with a lever of the fuel injector timing ... | 04/15/2003 |
| 6546913 | Pressure regulator A pressure regulator for use in regulating the outlet pressure of a pump for use in an engine comprises a piston member which is moveable with respect to an outlet opening under the influence of fluid pressure acting on the piston member to control the de... | 04/15/2003 |
| 6532943 | Hydraulically actuated electronically controlled fuel injection system Fuel injectors are disclosed for use in internal combustion engines including a housing which includes a working chamber, a piston, including a plunger, for reciprocal movement within the working chamber, a hydraulic valve having one side facing the contr... | 03/18/2003 |
| 6499448 | Apparatus for direct gasoline injection in a piston engine An apparatus for direct gasoline injection in a piston engine, which has a hydraulic valve control system with hydraulically actuated gas exchange valves. The direct gasoline injection is associated with the hydraulic valve control system via a pressure b... | 12/31/2002 |
