Abstract: A power generating apparatus including an AC generator that supplies electric power to a load including a voltage accumulating means, an inverter that applies AC control voltage to armature winding of the generator from the voltage accumulating means, and a controller that controls a phase of control voltage applied to the armature winding by the inverter to keep load voltage at a target value, wherein the phase of the control voltage is controlled so as to advance when the load voltage is higher than the target value, hold the present phase when the load voltage is equal to the target value, advance when the load voltage is lower than the target value and a phase of phase voltage of the generator is delayed behind a phase of a phase current of the same phase, and delay when the load voltage is lower than the target value and the phase of the phase voltage of the generator is advanced ahead of a phase of a phase current of the same phase.

Abstract: A fuel injection and ignition control method including the steps of: calculating a total injection amount correction value at the restart of fuel injection by adding an injection amount correction value determined with respect to a fuel cut period and an engine operating state to an injection amount increase correction value in acceleration when an engine accelerating operation is performed in a state where fuel cut is performed and the engine is operated; determining an injection restart time ignition timing delay amount with respect to the total injection amount correction value and a throttle valve opening degree; and performing fuel injection control to increase a fuel injection amount to be higher than a fuel injection amount in normal time by the total injection amount correction value, and ignition control to delay ignition timing from ignition timing in normal operation by the injection restart time ignition timing delay amount.

Abstract: A method of producing an electronic unit in which components are housed in a case and molded with resin, wherein an opening portion of the case housing the components of the unit is closed by a lid plate, the resin is poured into the case through the hole provided in the lid plate to fill the case with the resin while allowing air to be exhausted through a hole provided in a bottom wall portion of the case, with the lid plate of the case directed downward, then the resin in the case is discharged to the outside through the hole provided in the lid plate, and thus a resin mold layer that continuously covers entire surfaces of the components housed in the case and an inner surface of the case is formed with space in contact with the resin mold layer remaining in the case.

Abstract: A control device for a marine engine comprised so that a section of an angle sufficiently narrower than a crank angle corresponding to each stroke of a combustion cycle of the engine is set as an instantaneous speed detection section, a crank angle position that appears every time the engine rotates in the instantaneous speed detection section is detected as a specific crank angle position, an instantaneous rotational speed of the engine is detected every time each specific crank angle position is detected, it is determined whether the engine needs to be assisted from the degree of reduction in the instantaneous rotational speed, and a motor-generator including a rotor directly connected to a crankshaft of the engine is driven to apply a drive force from the motor-generator to the engine when it is determined that the engine needs to be assisted.

Abstract: An engine starting device including: a battery capacity monitoring portion that estimates a remaining capacity of a battery; a start time starter driving portion that supplies a driving current from the battery to a starter generator for causing cranking of the engine when a start mode of the engine is a normal start mode; and a display portion that displays that the cranking for starting the engine is to be performed by a manual starter when the estimated remaining capacity of the battery is insufficient, wherein the driving of the starter generator is prohibited and the start mode of the engine is switched to the manual start mode when the estimated remaining capacity of the battery is insufficient.

Abstract: A capacitor discharge ignition device for an internal combustion engine including: idling time advance angle control permission condition determination means for determining whether an idling time advance angle control permission condition is met that is a condition for permitting control to advance an ignition position during idling immediately after completion of the start of the engine in order to stabilize idling immediately after completion of the start of the internal combustion engine; and idling time advance angle control means for advancing the ignition position during idling immediately after completion of the start of the internal combustion engine when it is determined that the idling time advance angle control permission condition is met.

Abstract: A battery charging control device comprising a control circuit that performs control to keep a voltage across a battery charged by an output of an AC generator around a target value, comprising: a load driving switch inserted between the battery and a load; and a load driving switch control circuit that performs control to turn on the load driving switch when the AC generator generates the output and a voltage across the load is equal to or lower than a set value, and turn off the load driving switch when the voltage across the load exceeds the set value lower than the target value of the voltage across the battery.

Abstract: A control device for a power trim unit for an outboard engine includes: a circuit that supplies a driving current to a power trim motor of the outboard engine from a DC power supply through an overcurrent protection switch and an H bridge circuit comprised of semiconductor switches; a trim angle control portion that performs control to cause a trim angle to reach a target value by performing PWM control of the driving current supplied from the DC power supply through the H bridge circuit to the power trim motor according to a deviation between the target value of the trim angle of the outboard engine and a trim angle detected by a trim angle sensor; and an overcurrent protection portion that turns off the overcurrent protection switch when overcurrent flows through the H bridge circuit.

Abstract: A semiconductor device having a plurality of semiconductor chips mounted on a lead frame (10) and required portions covered with seal portions in which: the plurality of semiconductor chips are divided into a first group of semiconductor chips (Dx to Dz) and a second group of semiconductor chips (Du to Dw and Thx to Thz); both groups of semiconductor chips are mounted on the lead frame (10) at a distance from each other; the seal portions are comprised of first and second resin-seal portions (41 and 42) which cover the first and second groups of semiconductor chips, respectively, along with required portions of the lead frame; both resin-seal portions are mechanically coupled with each other by coupling portions; and a group of read terminals respectively connected to circuits within the first resin-seal portion and circuits within the second resin-seal portion are led out through a gap between the first resin-seal portion (41) and the second resin-seal portion (42).

Abstract: A magneto rotor in which a plurality of magnets are secured on an inner periphery of a peripheral wall portion of a cup-like rotor yoke, and a magnet protecting cover is provided that integrally has a cylindrical portion that covers inner peripheries of the magnets, and an outer flange that is formed at one axial end of the cylindrical portion and covers end surfaces of the magnets, wherein an annular protrusion protruding toward the opening of the rotor yoke is formed on an area closer to an inner periphery of the outer flange of the magnet protecting cover, an annular adhesive storage portion is formed between the peripheral wall portion closer to the open end of the rotor yoke and the annular protrusion, a groove opening into the adhesive storage portion and continuing circumferentially of the rotor yoke is also formed in the peripheral wall portion closer to the open end of the rotor yoke, and the adhesive storage portion and the groove are filled with an adhesive to seal a boundary between the outer flan

Abstract: An engine control device that controls an engine having a brushless motor as a starter motor, wherein the control device comprises a pickup coil that outputs a pulse signal at a crank angle position set in a crank angle section where a load applied to the brushless motor in cranking the engine is light, said brushless motor including a stator, a rotor and a position detecting device that detects rotational angle positions of the rotor to output position detection signals which represent level changes at fixed crank angle positions of the engine, and the control device being constructed so as to identify a crank angle position corresponding to each position where the level of the position detection signal is changed, based on the output signal of the pickup coil and to obtain crank angle information from the level changes of the position detection signals to control ignition timing or the like.

Abstract: A control device for a power trim unit for an outboard engine includes: a circuit that supplies a driving current to a power trim motor of the outboard engine from a DC power supply through an overcurrent protection switch and an H bridge circuit comprised of semiconductor switches; a trim angle control portion that performs control to cause a trim angle to reach a target value by performing PWM control of the driving current supplied from the DC power supply through the H bridge circuit to the power trim motor according to a deviation between the target value of the trim angle of the outboard engine and a trim angle detected by a trim angle sensor; and an overcurrent protection portion that turns off the overcurrent protection switch when overcurrent flows through the H bridge circuit.

Abstract: An emergency engine shutoff apparatus for shutting off an engine in an accident of a ship having a hull and an outboard engine system is provided which includes: an acceleration detector for detecting an acceleration applied in a longitudinal direction of the hull and an acceleration applied in a vertical direction of the hull; an accident determining apparatus for determining that a collision accident occurred when the acceleration applied in a longitudinal direction of the hull exceeds a threshold, and for determining that a capsize accident occurred when a roll angle of the ship exceeds a threshold, the roll angle being arithmetically operated by using the acceleration in the vertical direction; and an engine shutoff apparatus for shutting off the engine by stopping fuel supply to the engine when it is determined that a collision accident or a capsize accident occurred.

Abstract: An engine control device that controls, using a microprocessor, a fuel injection device including an injector and a fuel pump, and a starter motor that starts an engine, including: first fuel pump driving means for driving the fuel pump only during set time at power-on of the microprocessor; and first fuel injection control means for causing the injector to perform first fuel injection before driving of the starter motor when it is confirmed that the driving of the fuel pump by the first fuel pump driving means is completed and that a start command for commanding the start of the engine is given.

Abstract: A diagnosis device of a capacitor discharge ignition device for an engine that detects, as a singularity, a leading edge or a trailing edge of a voltage between output terminals of an ignition power supply portion that generates a voltage for charging an ignition capacitor, counts the number of singularities detected while a crankshaft rotates through a measurement section, which is a section of a certain crank angle determined with reference to a pulse signal obtained by a signal generator that generates a pulse signal at a specific crank angle position of an engine, and diagnoses an abnormality of the ignition device and a cause of the abnormality by comparing the count value of singularity with the number of times of normal ignition of the engine performed while the crankshaft rotates through the measurement section.

Abstract: A fuel injection and ignition control method including the steps of: calculating a total injection amount correction value at the restart of fuel injection by adding an injection amount correction value determined with respect to a fuel cut period and an engine operating state to an injection amount increase correction value in acceleration when an engine accelerating operation is performed in a state where fuel cut is performed and the engine is operated; determining an injection restart time ignition timing delay amount with respect to the total injection amount correction value and a throttle valve opening degree; and performing fuel injection control to increase a fuel injection amount to be higher than a fuel injection amount in normal time by the total injection amount correction value, and ignition control to delay ignition timing from ignition timing in normal operation by the injection restart time ignition timing delay amount.

Abstract: A fuel injection device for an internal combustion engine including: an injector that injects fuel to be supplied to the internal combustion engine; a battery to which a DC converter that charges a capacitor of a capacitor discharge ignition circuit is connected as a load; a control portion that is provided to operate when a power supply voltage is provided from the battery through a power supply circuit, and generates an injection command signal when fuel injection timing is detected; and an injector drive circuit that applies a driving voltage from the battery to the injector while receiving the injection command signal, wherein the device further comprises converter operation stopping portion for stopping an operation of the DC converter during set load driving stop time when the injection command signal is generated.

Abstract: An on-vehicle battery and electric unit assembly including: a battery mounted to a body of a vehicle driven by an engine; and an electric unit in which components of an electrical circuit connected to the battery are housed in a unit case provided with a positive DC terminal and a negative DC terminal connected to a positive terminal and a negative terminal of the battery, wherein the electric unit is placed adjacent to the battery, and the positive terminal and the negative terminal of the battery are connected to the positive DC terminal and the negative DC terminal of the electric unit by a positive busbar and a negative busbar, respectively.

Abstract: There is provided an electronic control unit including: input terminals connected to output terminals of a magneto generator driven by an engine; DC output terminals; a control power supply circuit that converts an AC voltage input between the input terminals into a DC voltage equal to a set value; and a microprocessor that controls electrical components of the engine, wherein the electronic control unit further includes an interruption signal generation circuit that compares an output voltage of the control power supply circuit with a certain abnormality determination voltage and generates an interruption signal when the output voltage of the control power supply circuit becomes the abnormality determination voltage or less, and an abnormality state storage unit for storing that an abnormality occurs in a power supply portion when the interruption signal is generated.

Abstract: A control apparatus for an internal combustion engine-driven vehicle equipped with a power supply unit having an AC generator driven by an internal combustion engine, and a power converter which converts an output voltage from the AC generator into an AC voltage of a certain frequency, which comprises a leakage detection means which detects an occurrence of electric leakage in the power supply unit, a leakage occurrence position identification means which identifies a leakage occurrence position, and an electric shock preventing control means which performs control for preventing electric shock on at least one of the internal combustion engine and the power converter, while allowing a rotational speed of the internal combustion engine to increase to a speed at which travel of the vehicle is enabled, when the occurrence of electric leakage is detected.