Abstract: The invention relates to a method and a control system for driving an electric motor (4) coupled with a crankshaft (2) of an internal combustion engine, in order to position the crankshaft (2) at a starting angle, wherein the control system comprises: a detection device (7) for receiving and/or determining a position angle and/or the rotational speed of the crankshaft (2), and a control unit (5) which is capable of driving the electric motor (4) in a closed loop control mode dependent on the rotational speed of the crankshaft and of positioning the crankshaft (2) at said starting angle after the internal combustion engine (1) is stopped, so that, in the case of a subsequent start, the internal combustion engine (1) is started from this starting angle, wherein the control unit (5) is designed so as to drive the electric motor (4) according to an open loop control mode, below a prespecified rotational speed limit independently of the rotational speed in an open loop control, so that the crankshaft (2) is set to

Abstract: The present invention relates to methods for charging at least one combustion chamber (12) of a spark-ignition combustion engine (10) with fuel and air. At least one combustion chamber charge is produced during a shutoff phase of the internal-combustion engine (10) and is ignited when the internal-combustion engine (10) is subsequently started. The methods are characterized in that, during the shutoff phase, at least one measure is taken to produce a high percentage of fuel vapor in the combustion chamber charge. The present invention also relates to a control unit for controlling the methods.

Abstract: A receiver capable of receiving a remote vehicle stop request signal is mounted to a commercial vehicle and connected to the vehicle antilock braking ECU by a vehicle communication bus. The receiver may also be capable of transmitting a signal, thereby allowing the desired vehicle to be isolated. Furthermore, a user input device may be mounted to the vehicle that allows manual input of a park signal. When the park signal has been received by the vehicle ECU, the vehicle braking system is employed, thereby preventing the movement of the vehicle.

Abstract: A foot controlled engine start and stop system characterized by a control circuit arranged among an ignition switch, an ignition grounding circuit, a warm-up switch, a starter motor, an accelerator pedal, an alternator and an actuator to disengage the parking brake when the engine is started. The system controls automatic start and stop of the starter motor and engine by feeding back the output frequency of the alternator. When installed on an off-road utility vehicle, this system, will allow the operator to conveniently start and stop the engine by depressing or releasing the accelerator pedal. The system senses the engine speed by monitoring the frequency of the alternator output voltage and disables the starter circuit when the engine speed is at or above a level necessary to allow the engine to run without starter assistance. When the operator removes his/her foot from the accelerator pedal, the ignition circuit is grounded to stop the engine.

Abstract: A method for operating an engine in a vehicle, the engine having at least a cylinder, is described. The method comprises decreasing rotational speed of the engine; and when said engine speed falls in a specified region, adjusting a valve timing of the cylinder to generate one of expansion or compression braking torque to stop rotation of said engine in a desired range.

Abstract: An internal combustion engine may be provided with independently controllable valves, fuel injectors and ignition elements that may be used to start the engine without a separate auxiliary device such as an electric starter motor. The engine may fire the cylinders under a startup mode of control at the same time it fires the cylinders under a normal mode of control in order to smooth the transition from start up to normal operating mode. Additionally, an internal combustion engine may use independently controllable valves to stop the engine and ensure that one or more of the pistons come to rest at a position which allows them to be used to restart the engine.

Abstract: A two-stroke engine has an intake channel via which the engine (1) is supplied with an air/fuel mixture prepared in a carburetor (12). The engine also has a starting device (19, 40) for enrichment of the air/fuel mixture during the start operation. The starting device (19, 40) is disposed in the region of the carburetor (12). To avoid an overenrichment of the mixture after start-up of the engine, a bypass channel (20) is provided which branches off upstream of the starting device (19, 40) viewed in the flow direction (30) of the air/fuel mixture and opens downstream of the starting device (19, 40). A switching valve (23) is mounted in the bypass channel (20) and is essentially closed when the engine (1) is started. When the engine (1) runs up, the switching valve (23) automatically switches into a position where less throttling occurs.

Abstract: A control apparatus for driving a vehicle and a control method for driving a vehicle. A control apparatus for driving a vehicle has an engine start permission output control processing module which reads engine rotational speed; determines whether the engine rotational speed takes a value within a predetermined start disable range; does not output an engine start permission when the engine rotational speed takes a value within the start disable range; and outputs an engine start permission when the engine rotational speed takes a value except a value within the start disable range, and has an engine start control processing module which starts an engine when the engine start permission is outputted. An engine start permission is not outputted and the engine is not started when the engine rotational speed takes the value except the value within the start disable range.

Abstract: The invention relates to a method and an arrangement for starting or stopping a motor-driven motor vehicle having motor functions (1) and motor-independent vehicle functions (5) which can be used independently of the type of drive and independently of the type of motor start or motor stop. For a start operation or a stop operation, at least one command to the motor functions (1) to start or stop the motor (15) of the motor vehicle is imparted by the vehicle functions (5) via an interface (10). At least one status datum as to the motor (15) and/or the motor functions (1) is transmitted by the motor functions (1) via the interface (10) to the vehicle functions.

Abstract: The present invention provides an engine stoppage notification apparatus with which, due to its compatibility with and good correspondence to the intention of a driver to start off a vehicle and to stop and idle the vehicle, it is possible to anticipate the possibility of enhancement of product quality along with alleviation of the burden upon the driver. This engine stoppage notification apparatus notifies the driver that the engine is about to stop when the engine has satisfied certain predetermined stoppage permission conditions, and includes a notification device which, from when the stoppage permission conditions are satisfied until the engine stops, issues a notification of the engine stoppage.

Abstract: An engine has variable-valve mechanisms. An engine control system has an engine control unit for executing automatic stop and start control. At an automatic-stop, the variable-valve mechanisms are controlled to obtain a valve operation characteristic suitable for a restart of the engine. When a catalyst is in an inactivated state, the variable-valve mechanisms are controlled to reduce the amount of residual gas leaking out from cylinders. At an automatic-start, the control of the variable-valve mechanism is prohibited and an intake air is adjusted by using a throttle valve. At an automatic-stop, the engine speed is abruptly reduced so that the engine speed passes through a resonant revolution speed area in a short period of time. When the voltage of a battery is low, the control of the variable-valve mechanism may be prohibited.

Abstract: A counterweight 40 attached to a crankshaft 38 has a projection 42, which is aligned with and faces an electromagnet 44 attached to a crank casing 46 when the crankshaft 38 is at a preset rotational position of ensuring good startability of an engine 22. Engine stop control starts a power supply to the electromagnet 44 to attract the projection 42 of the counterweight 40 at a timing when the projection 42 of the counterweight 40 is practically aligned with the electromagnet 44, on the condition that the revolution speed of the crankshaft 38 is lowered to or below a preset level immediately before a full stop of rotation of the crankshaft 38. This engine stop control stops the rotation of the crankshaft 38 and desirably holds the crankshaft 38 at the preset rotational position of ensuring good startability of the engine 22.

Abstract: If it is determined that the present engine startup is a high-temperature startup, immediately fuel injection in concert with start of cranking is prohibited. After a delay time elapses following the start of cranking, or when THC<THCh is satisfied, fuel injection is started. Therefore, the cranking during the delay time cools interior of the combustion chambers. Since fuel injection starts after the cooling, pre-ignition can be prevented.

Abstract: A switch device that improves reliability in starting an engine is provided. The switch device includes a push button, a magnetic sensor, and a power supply ECU. The push button is pressed by a driver to start the engine. The magnetic sensor detects that the push button has been pressed, in a non-contact manner. The power supply ECU is connected to the magnetic sensor and supplies power to the magnetic sensor to enable the magnetic sensor to detect that the push button has been pressed.

Abstract: The auto engine start control of the invention regulates a throttle valve to a restricted opening to reduce an air intake flow at an ordinary start of an engine (step S140). When the driver stamps on an accelerator pedal to raise an engine power demand Pe* to or above a preset threshold value Pref, the auto engine start control regulates the throttle valve to a standard opening to ensure the air intake flow corresponding to the engine power demand Pe* (step S150) and thereby cranks the engine. This arrangement desirably dampens potential vibration induced by ignition at the ordinary start of the engine, while ensuring prompt output of the required driving force from the engine under the condition of the higher engine power demand Pe*.

Abstract: A vehicle engine control having an automatic start and stop feature for idling the engine to maintain the battery charge includes adjustment for the battery voltage threshold at which the engine is started to recharge the battery. Preferably, the adjustment results from use of an ambient air temperature sensor and a look up table in the control that varies the threshold based on a predetermined relationship between battery voltage and ambient air temperature.

Abstract: Systems and methods for controlling stopping position of a crankshaft during shutdown of an internal combustion engine control a fluid pressure to control a corresponding drive torque of a fluid pump. Kinetic energy of the engine at shutdown may be used to control fluid pressure in a power steering system or fuel injection system to stop the crankshaft in a position favorable for restarting.

Abstract: An idling stop control apparatus includes a starter motor operation prohibiting device, an idling state determination device, an idling stop function determination device, a switch status determination device, an indicator, and an idling stop function rendering inoperative device. The idling stop function rendering inoperative device switches the idling stop function from an operative state to an inoperative state, when the idling state determination device determines that the internal combustion engine is running, and when the switch status determination device determines that the starter switch is turned on.

Abstract: An engine control system is provided which is designed to estimate an angular position at which a crankshaft of an engine is expected to stop at a stop of the engine for use in determining the position of the crankshaft at a start of the engine which is to be employed in initiating given engine control tasks. When a preselected condition which indicates the possibility of performing the engine control tasks or will result in initiation of the engine control tasks based on an erroneous value of the estimate of the stop position of the crankshaft, the engine control system inhibits the engine control tasks from being initiated using the estimate of the stop postion, thereby ensuring the stability of control of the engine.

Abstract: A method for determining the angle-of-rotation position of a shaft of an internal combustion engine, particularly of a crankshaft, information regarding at least incremental angles of rotation of the shaft and run times for each incremental angle of rotation being registered and stored at least temporarily, the angle-of-rotation position being determined on the basis of information regarding already stored incremental angles of rotation and run times in the event of an absence of information regarding incremental angles of rotation. In addition, the use of a double Hall sensor for registering information in implementing the method, a device for determining the angle-of-rotation position of a shaft of an internal combustion engine, as well as an automatic start-stop system for a motor vehicle.

Abstract: An automatic stop/start controller having an engine, a motor generator to drive the engine, and an automatic transmission. The automatic stop/start controller permits the engine to stop and start without operation of an ignition key. At start of the engine by not operation of the ignition key and after the engine is started to drive by the motor generator, a control means corrects to increase the torque generated by the motor generator according to the degree of the engagement of frictional engaging elements of the automatic transmission.

Abstract: An automotive starting system includes an accumulator, a hydraulic motor, and an engine controller. The accumulator is adapted for holding a charge of pressurized fluid. The hydraulic motor has a fluid input operatively connected to the accumulator and has an output shaft operatively connected to an internal combustion engine of an automotive vehicle. The engine controller shuts off the engine if an idle engine condition exists and restarts the engine using the hydraulic motor following an idle engine shut-off if a predetermined engine-start condition exists. A method for starting an internal combustion engine of an automotive vehicle includes having the engine controller shut off the engine if an idle engine condition exists and thereafter having the engine controller restart the engine using the hydraulic motor if a predetermined engine-start condition exists.

Abstract: Embodiments of the invention enhance the starting performance of an engine from an automatic stoppage state, in a vehicle with an automatic engine stopping and starting system mounted thereon. In an embodiment, an engine start judging unit detects the presence or absence of a vehicle starting operation on the basis of the status of a throttle switch in an automatic stoppage state of an engine, and, when the seating of the driver is confirmed based on the status of a seat switch, the engine is started. A basic injection amount calculating unit calculates a basic fuel injection amount Ti on the basis of engine parameters such as the engine cooling water temperature TW and the engine speed Ne. An injection amount increasing unit performs a control to increase the fuel injection amount at the time of starting the engine from the automatic stoppage state of the engine, based on the throttle opening detected by a throttle sensor.

Abstract: A CAT temperature sensor which detects the temperature of a catalyst (catalyst temperature TCAT) is provided in an exhaust purification apparatus of an exhaust pipe, and an exhaust vent temperature sensor which detects the temperature of an exhaust vent (exhaust vent TEND) is provided in near the exhaust vent. A FIECU, in the case where the catalyst temperature TCAT is above a predetermined temperature TCAT1, or in the case where a temperature difference ?T obtained by subtracting the catalyst temperature TCAT from the exhaust vent temperature TEND is above a predetermined temperature difference ?T1, sets the flag value of a flooding determination flag F_INUN to “1”, and sets the flag value of an idle rotation speed increase flag F_INEUP which indicates that a target engine speed in the idle operating state of the internal combustion engine is increased by a predetermined rotation speed, to “1”.

Abstract: An automatic shutdown control apparatus for a vehicular internal combustion engine, which permits automatic shutdown of an internal combustion engine when a value indicative of vehicle driving history is equal to or greater than a predetermined reference value. The control apparatus automatically shuts down the internal combustion engine when a predetermined shutdown condition including the automatic shutdown permission is satisfied while the internal combustion engine is operating. The control apparatus detects the degree of congestion of the road, and sets the reference value smaller when the degree of congestion is high.

Abstract: An engine control system (10) operates off a microprocessor of an engine control module, ECM (62), which will automatically start a combustion engine (12) upon any one of a series of enabler signals (68, 67, 70) indicative of low battery voltage, low cab temperature and/or low engine temperature. The system (10) also includes safety measures which will override the automatic starting of the engine. For instance, the vehicle will not automatically start if a vehicle speed is detected, if the parking brake is not set, if the ignition key (50) is not in the “on” position, or if the hood (56) is open. Moreover, the system (10) is configured not to start if the fuel level is low, thus preventing an unintended depletion of fuel which could strand the vehicle and operator.

Abstract: The method for controlling an idle stop-and-go system is based on one or more engine control modes, including a starting mode wherein an engine control unit (ECU) starts an engine by an engine stop release signal received from a starter/generator control unit (SCU), a normal mode for normally operating the engine, and an after-run mode wherein the ECU stops the engine based on an engine stop signal received from the SCU. Initially, it is determined whether a present engine control mode is the normal mode. Thereafter, it is determined whether an engine stop signal is received from the SCU. The engine control mode is then changed to the after-run mode whern the present engine control mode is the normal mode and an engine stop signal is received from the SCU. Finally, the engine warning lamp is blocked from illuminating.

Abstract: A system and method for controlling an idle stop-and-go in which an engine control mode is determined according to states and conditions of an engine, so that load calculation of the engine contact unit can be reduced and the engine and the integrated starter generator can be stably controlled.

Abstract: A stop position control apparatus of an internal combustion engine is applied to a vehicle having of a motor or a generator connected to a crankshaft of the engine, such as an economic-running vehicle and a hybrid vehicle. A rotation position of a motor generator is detected by a motor angle sensor, and a crank angle of the engine is detected by a crank angle sensor. A stop position of the internal combustion engine, at the time of stoppage is estimated based on the rotation position of the motor generator and the crank angle. By utilizing the results, the stop position of the internal combustion engine can be accurately estimated. By detecting a rotation direction of the crankshaft, the stop position of the engine can be accurately estimated even when the engine is rotated in the reverse direction at the time of the engine stopping.

Abstract: A method for controlling starting of an internal combustion engine in a hybrid electric vehicle powertrain having multiple power flow paths to vehicle traction wheels from the engine and from an electric motor. A smoothness factor is calculated to determine how smooth an engine start should be. Engine operating variables regulate engine smoothness during engine start events as determined by the calculated smoothness factor appropriate for selected vehicle operating conditions.

Abstract: A system for bringing an internal combustion engine to a stop at a predetermined angular position of an engine shaft, such as a crankshaft or a camshaft, with respect to the engine's valves. The optimum shaft stop position is the point wherein the fewest lifters are collapsed the least amount. Exemplary methods and apparatus include using the engine starter motor to jog the stopped engine to the desired position; using the engine alternator to impose a variable electromagnetic load on the engine to bring the engine to a stop at the desired position; using variable firing of cylinders to control the deceleration profile to bring the engine to a stop at the desired position; and providing one or more detents formed in the shaft and using a shaft follower to control the stop position of the shaft by engaging the follower into a detent.

Abstract: During a shut-down period of an engine based on an idle stop control, a computer estimates a power stroke cylinder and a compression stroke cylinder when the engine is stopped. A fuel is injected into the power stroke cylinder and the compression stroke cylinder in an intake stroke just before the engine is stopped. An air-fuel mixture is hold in each cylinder with the engine stopped. When an auto start is required while the engine is stopped, a spark ignition is performed in the power stroke cylinder to start cranking of the engine by combustion energy. At nest ignition timing, a spark ignition is performed in the compression stroke cylinder to start the engine without an aid of a starter.

Abstract: A stop control apparatus for an internal combustion engine is provided with a valve mechanism capable of operating at least one of an intake valve and an exhaust valve independently a crankshaft of an internal combustion engine, and a valve controlling device for controlling an operation of the valve mechanism so that the internal combustion engine is stopped in a predetermined state.

Abstract: An engine control practices a method for engine control in a vehicle control system having an automated start and stop system that keeps a battery charged and an engine temperature in a preselected range, the run time for the engine being extended beyond a preset run time when said control senses that a time interval between start up and the last shut off is shorter than a preset start up time limit.

Abstract: A method and system for controlling an engine in order to maintain a comfortable cabin temperature within a vehicle that is equipped with an engine, a battery and a heating/cooling apparatus including determining an acceptable range of cabin temperatures, monitoring cabin and outside air temperatures, controlling automatic starting of the vehicle engine when both temperatures are outside of the acceptable range and running the engine only as is minimally necessary to maintain the cabin temperature within the acceptable range.

Abstract: A method for controlling starting of an internal combustion engine in a hybrid electric vehicle powertrain having multiple power flow paths to vehicle traction wheels from the engine and from an electric motor. A smoothness factor is calculated to determine how smooth an engine start should be. Engine operating variables regulate engine smoothness during engine start events as determined by the calculated smoothness factor appropriate for selected vehicle operating conditions.

Abstract: The speed of rotation and the angular position of the rotating part (2, 3) of the engine (1) are measured continuously, and the fuel injection is cut off at predetermined speed and angular position values of the rotating part (2, 3) in order to stop the engine in a predetermined position that facilitates restarting the engine. In order to restart the engine, using a starter (4), fuel is injected into at least one cylinder of the engine when the piston moving in the cylinder is in a determined position. The spark ignition and/or fuel injection is interrupted at predetermined speed and angular position values of the rotating part (2, 3) of the engine (1), and fuel is injected into at least one cylinder of the engine (1) during the last revolution of the engine before stopping. In order to restart the engine, ignition is carried out in at least one cylinder, the piston of which is in the compression position at the moment when the engine (1) stops.

Abstract: A device for and method of decarboning a combustion chamber and compression rings in an internal combustion engine. The device is a squid shaped container with a cylindrical body, a screw cap, and conduits depending from the body for transmitting cleaner to the combustion chambers on the engine. Once cleaner is transmitted to the combustion chambers, the engine is bumped to work the fluid into the compression rings using an automated system with a timer. When the engine is bumped, the device allows the cleaner to be vented to the device to avoid hydrolocking the engine. The device also contains the cleaner so that it is not splashed outside the engine.

Abstract: An engine is automatically stopped when a predetermined amount of time has passed with a predetermined stopping condition being fulfilled, even if learning is not yet complete, when an automatic stopping condition of the engine and a learning execution condition of a control amount of the engine during idling have been fulfilled. However, the engine is prohibited from automatically stopping until the learning is complete when the learning history of the control amount has been cleared by battery disconnection or the like and is not stored. Accordingly, it is possible to both simultaneously control an idling stop when the engine is idling and learn the control amount, as well as minimize a strange sensation felt by the driver that arises from an idling stop not being performed.

Abstract: An engine switch for selectively starting and stopping an engine and an LED for irradiating the engine switch are located in a passenger compartment of a vehicle. When a vehicular lighting device, such as a headlight, is switched from an on state to an off state, the LED is lighted up. Therefore, even if the passenger compartment is dark, the position of the engine switch is easily found.

Abstract: A motor control device for a vehicle having a deceleration deactivatable engine which includes at least one deactivatable cylinder which is deactivated during a deceleration traveling of the vehicle, and which is started by a motor when the operation thereof transitions from a deceleration deactivation operation to a normal operation. The motor control device comprises a cylinder deactivation state determining section (S202) for determining whether or not the engine is in a cylinder deactivation state, a cylinder deactivation executing section, a cylinder deactivation operation detecting section (S201) for detecting whether or not the cylinder deactivation executing section is activated, and a starting torque setting section (S201-S204) for setting staring torque for starting the engine by the motor.

Abstract: An engine 1 is stopped according to conditions when a vehicle has stopped, and the engine 1 is started by starting a motor/generator 2 when a request to restart the engine 1 which has stopped, is determined. Engine torque is absorbed by the motor/generator 2 so that that the starting torque according to an accelerator pedal depression after restart, is effectively the same torque for starting from the engine stop state as for starting from the engine idle state. In this way, the same starting performance is obtained when the vehicle starts from the engine stop state as when the vehicle starts from the engine idle rotation state.

Abstract: A control system of an internal combustion engine controls the starting of an internal combustion engine, which has been stopped, based on the establishment of a predetermined starting condition. The control system is provided with at least two power sources, a low-voltage power source and a high-voltage power source, a starting mechanism that is driven by the power source so as to operate the internal combustion engine, and a switching mechanism for switching between a connection, of the starting mechanism, to the low-voltage power source and a connection, of the starting mechanism, to the high-voltage power source.

Abstract: An automatic stop/start controller for an engine, having an air conditioner which employs a coolant or driving force of the engine to control the air in a driver's compartment. The engine can be stopped and started without operation of an ignition key. After a predetermined automatic stop condition is satisfied and the engine is automatically stopped, a control unit maintains the engine in a stopped state as long as the duration of an automatic stop of the engine is shorter than an automatic stop maximum time set based on air temperature at an inlet of the air conditioner.

Abstract: The pressure within the common-rail 3 is reduced when the engine is stopped without an operation of the automatic engine stopping and restarting device for automatically stopping and restarting the engine to improve fuel consumption. A reducing amount of the pressure within the common-rail 3 when the engine is stopped with an operation of the automatic engine stopping and restarting device is made smaller than that when the engine is stopped without an operation of the automatic engine stopping and restarting device.

Abstract: A method and an arrangement automatically restarts a drive unit (1) when there is an unintended stalling of the drive unit (1). In the case of stalling, checks are made as to whether the drive unit (1) was already in a steady-state condition directly before the stalling, as to whether the stalling took place because of an operator input, especially at an input unit (5) and as to whether a force-tight connection between the drive unit (1) and a transmission (25 or 80) is present. A restart of the drive unit (1) is automatically initiated when: the drive unit (1) was already in a steady-state condition directly before the stalling; when the stalling took place in a departure from the operator input; and, when the force-tight connection between the transmission (25 or 80) and the drive unit (1) is interrupted.

Abstract: The electronic control unit sets an initial value of an inertia torque equivalent flow rate Qmg as an air flow equivalent to an inertia torque that acts on rotational elements related to a crankshaft 26, and a diminishing rate thereof, based on a shift position SP and coolant temperature Tw after the engine is cranked by a motor generator and the engine speed reaches an idle speed. The electronic control unit controls an the engine speed using an idle speed maintaining flow rate Qisc which is obtained by subtracting the inertia torque equivalent flow rate Qmg from a target idle speed maintaining flow rate Qisc*.

Abstract: The vehicle disabling system includes a vehicle control unit for positioning in a vehicle with a transceiver for transmitting and receiving signals to receive an inquiry signal and transmit an identification code upon the receipt of the inquiry signal. A central database station includes memory for storing a plurality of identification codes of vehicle control units. An authorization code is associated each identification code. A mobile law enforcement unit is positionable in a law enforcement vehicle, and includes a transceiver for transmitting and receiving signals to transmit the inquiry signal to a vehicle control unit. The law enforcement unit receives an identification code from the vehicle control unit and transmits the identification code to central database station. The law enforcement unit transmits the stop signal with the authorization code to the vehicle control unit upon receiving the authorization code from the central database station.

Abstract: Engine starting performance is enhanced by a brushless motor having no rotor position detecting sensor. In the first place an engine is rotated forward and then is reversely rotated to overcome a high load region of the engine. Then, the engine is accelerated and rotated forward and started. In a light load region of the engine, the engine is immediately accelerated and normally rotated. It is judged whether the region of the engine is the high load region or light load region based on the rotation speed when the starting operation is started. After the starting operation is started, if the forward rotation speed reaches a first speed, and a second speed which is higher than the first speed is obtained even after predetermined time is elapsed, an immediate starting-judging section 36 outputs a detection signal to a starting/normal rotation control section 37.

Abstract: In an eco-run control, determination of a stop of an internal combustion engine (1) is reliably and promptly made.