Abstract: An engine starting method for starting an engine by causing first fuel injection when a crankshaft is reversely rotated by a predetermined angle at the start, and then rotating the crankshaft forward to perform first ignition, the method comprising the steps of immediately stopping driving of a starter motor when a starter switch is turned off before the first fuel injection at the start; and continuously driving the starter motor forward until a cylinder into which an air/fuel mixture is supplied by the first fuel injection performs at least one exhaust stroke and then stopping the driving of the starter motor when the starter switch is turned off after the first fuel injection at the start.

Abstract: An engine control device with a reverse control function including: reverse control means for performing reverse control including a process of excessively advancing an ignition position of an engine for reversing a rotational direction of the engine when a reverse switch is operated; and a light emitting display device that displays that the reverse control is performed, wherein the reverse control means further includes light emitting display device blinking means for blinking the light emitting display device when the reverse switch is once operated, and operating error preventing means for starting the reverse control when the reverse switch is again operated within a set time after the one operation of the reverse switch, and stopping the reverse control when the reverse switch is not again operated within the set time after the one operation of the reverse switch.

Abstract: A generation device, having a magneto generator, in which an AC control voltage is applied from a battery charged with a rectified output of the magneto generator to an armature winding of the generator through an inverter to control a battery voltage to a limit value or less, comprising: fixed point detection means for detecting a fixed point on a waveform of a phase current of the generator; phase current phase detection means for detecting a phase angle of the fixed point in relation to a reference phase; arithmetical operation means for arithmetically operating timing for generating the AC control voltage with reference to the phase of the fixed point; and inverter control means for controlling switch elements of the inverter so as to generate the AC control voltage at the timing arithmetically operated by the arithmetical operation means.

Abstract: An engine control device with a reverse control function including: reverse control means for performing reverse control including a process of excessively advancing an ignition position of an engine for reversing a rotational direction of the engine when a reverse switch is operated; and a light emitting display device that displays that the reverse control is performed, wherein the reverse control means further includes light emitting display device blinking means for blinking the light emitting display device when the reverse switch is once operated, and operating error preventing means for starting the reverse control when the reverse switch is again operated within a set time after the one operation of the reverse switch, and stopping the reverse control when the reverse switch is not again operated within the set time after the one operation of the reverse switch.

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 power supply apparatus comprised of a bridge circuit made up of rectification diodes and MOSFETs for rectifying an output of a generator through a full-wave rectifier circuit comprised of rectification diodes and parasitic diodes of the MOSFETs and obtaining a supply voltage of a fuel injection apparatus, the power supply apparatus being comprised of an FET control section which turns ON/OFF the MOSFETs to step up the output voltage of the generator and a transistor provided for each MOSFET, which is set in an ON-state for a period during which a reverse voltage is applied to a parasitic diode of each MOSFET and set in an OFF-state for a period during which a forward voltage is applied to the parasitic diode of each MOSFET, wherein a control voltage for turning ON the MOSFET is given between the gate and source of the corresponding MOSFET for a period during which each transistor is in an OFF-state.

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 stator for an inner rotor type rotating electric machine including: an annular armature core comprised of a plurality of arcuate segmented cores circumferentially arranged; a bobbin assembly comprised of a plurality of arcuate segmented bobbins arranged circumferentially of the armature core to cover the armature core; and a coil wound around each salient pole portion of the armature core via a coil winding barrel of the bobbin assembly, wherein each segmented bobbin is placed across adjacent segmented cores, and when the armature core is covered with the plurality of segmented bobbins to assemble the bobbin assembly, the plurality of segmented cores that constitute the armature core are restrained and held by the bobbin assembly.

Abstract: An electric leakage detection system having: a detection point forming circuit which forms a detection point being connected through three resistors which are star-connected to a three-phase output line of an AC generator; a voltage detection circuit which detects a voltage across the detection point and ground; and an electric leakage detecting part which detects existence of an electric leakage from a period of the detected voltage and determines an occurrence position of the electric leakage from a period of the detected voltage.

Abstract: An outer-rotor-type magneto generator comprising: a magnet rotor having a cup-shaped rotor yoke and permanent magnets bonded to an inner surface of a periphery wall portion of the rotor yoke; and a stator having an armature core and armature coils wound around salient pole portions of the armature core, wherein a plurality of protrusions and recesses are arranged alternatively in a peripheral direction on an inner periphery of the peripheral wall portion of the rotor yoke, and the permanent magnets are bonded on stator sides of each protrusions.

Abstract: A vehicle-mounted power generator set including: an AC generator driven by an engine of a vehicle; an electric power conversion portion that converts an output of the AC generator into an AC output having commercial frequency; a controller having electric power conversion portion control means for controlling the conversion portion to generate an AC output having commercial frequency when a control mode is a power generation mode, and engine control means for controlling the engine to rotate at a rotational speed suitable for supplying electric power from the conversion portion to a load when the control mode is the power generation mode and controlling the engine to be suitable for driving the vehicle when the control mode is the vehicle driving mode; and a control switch inserted between each output terminal of the AC generator and each input terminal of the electric power conversion portion, and controlled to be in an ON state when the control mode is the power generation mode and in an OFF state when the

Abstract: An ignition coil for an internal combustion engine includes: an iron core; a primary coil wound around the iron core via a primary bobbin; a secondary coil provided to externally surround the primary coil; a ground terminal fitting placed with a part thereof being held between the primary bobbin and the iron core; and a resin-molded portion provided to cover the primary coil and the secondary coil, a ground side terminal portion of the primary coil being connected to the ground terminal fitting, wherein at least one protrusion is formed in the part of the ground terminal fitting held between the primary bobbin and the iron core, and the protrusion has a pointed tip that is brought into contact with the iron core.

Abstract: A power supply device comprises: a voltage converting portion that converts a voltage generated from a power supply portion into an output voltage to be supplied to a load; a voltage divider circuit that generates an output voltage setting signal for providing a set value of the output voltage; a set value changeover portion that turns on/off set value changeover switches to change a voltage divider ratio of the voltage divider circuit to change the set value; a storage device that stores a state appropriate for each set value changeover switch for keeping the value of the output voltage within a specified range; a set value changeover switch control portion that controls the set value changeover switches so as to bring each set value changeover switch into a state as stored in the storage device when the voltage is supplied from the voltage converting portion to the load; and an output voltage control portion that controls the voltage converting portion so as to make zero a deviation between the value of the

Abstract: An engine starting device which makes fuel injected in preparation for ignition performed in a cylinder of an engine after starting drive of a starter motor in a forward rotational direction so as to start the engine, and makes ignition performed in a suitable ignition position at the time of engine start while the starter motor is driven in a forward rotational direction, the engine starting device being comprised so as to continue driving the starter motor in a direction for starting the engine, even when a crankshaft stops before a piston in a cylinder of the engine reaches a top dead center of a compression stroke.

Abstract: An inverter controlled generator set including: a power supply unit that uses a generator driven by an engine as a power supply to output a DC voltage; an inverter device that converts the output voltage of the power supply unit into an AC voltage; and a rotational speed control unit that controls a rotational speed of the engine so as to be kept at a target rotational speed suitable for a load applied to the inverter device, wherein the rotational speed control unit is comprised so that a settling time when the rotational speed of the engine is caused to converge to the target rotational speed in a state where the load is above a set value is longer than a settling time when the rotational speed is caused to converge to the target rotational speed in a state where the load is below the set value, in order to minimize an operation sound of the engine when the load is intermittently driven.

Abstract: An output control device of a generation device including: a rectifier circuit that rectifies an output of an AC generator and applies the output across a battery; an inverter circuit provided between the battery and the generator; inverter control means for controlling the inverter circuit to convert a voltage across the battery into an AC control voltage and apply the voltage to an armature winding of the generator; and phase detection means for detecting a phase of a phase current flowing through the armature winding of the generator as a maximum output current phase, wherein the inverter control means is comprised to control a phase of the AC control voltage so as not to be delayed with respect to the maximum output current phase, and thus prevent a reduction in the output of the generator caused by an excessive delay of the phase of the AC control voltage.

Abstract: An engine control device including: a fuel pump driving portion that starts operating a fuel pump between when an operation permit switch is turned on and an operation permit command is given and when a starter switch is closed and a start command is given, and continuously operates the fuel pump after the start command is given; the first fuel injection control portion that causes an injector to perform first fuel injection at the start of an engine when both conditions are met that the start command is given and that the fuel pump is continuously operated for a set time or longer; and a rotating electric machine control portion that starts driving a rotating electric machine that operates as an engine starting motor when the first fuel injection is completed, and stops driving the rotating electric machine when the start of the engine is completed.

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: An inverter controlled generator set including: a power supply unit that uses a generator driven by an engine as a power supply to output a DC voltage; an inverter device that converts the output voltage of the power supply unit into an AC voltage; and a rotational speed control unit that controls a rotational speed of the engine so as to be kept at a target rotational speed suitable for a load applied to the inverter device, wherein the rotational speed control unit is comprised so that a settling time when the rotational speed of the engine is caused to converge to the target rotational speed in a state where the load is above a set value is longer than a settling time when the rotational speed is caused to converge to the target rotational speed in a state where the load is below the set value, in order to minimize an operation sound of the engine when the load is intermittently driven.

Abstract: A control unit having a package in which at least a part of components of a control system controlling specified controlling objects is housed, wherein a pair of protrusions is provided on each of opposite side surfaces of the package, and supporting members which operate as a vibration proof material are provided on each of opposite side surfaces of the package, wherein the pair of protrusions provided each of side surfaces of the package is fitted into a corresponding pair of holes of the supporting members to mount the supporting members on each of opposite side surfaces, and wherein transmission of vibration from the mounting portion to the package is prevented by mounting the package on the mounting portion through the supporting members.