Class / Patent application number | Description | Number of patent applications / Date published |
123179400 | Including automatic engine stop | 53 |
20090241883 | CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE SYSTEM, AND INTERNAL COMBUSTION ENGINE SYSTEM - The invention relates to a control method for an internal combustion engine system, capable of preventing an internal combustion engine in a state after being automatically stopped, from falling into an unrestartable state. Upon satisfaction of a given automatic stop condition, the engine | 10-01-2009 |
20090241884 | DIAGNOSIS DEVICE FOR VEHICLE - After an engine automatic stop processing is started, a diagnosis of a starter is started at a time of t | 10-01-2009 |
20090301420 | Method for Controlling an Automatic Shut-off Process of an Internal Combustion Engine - A method is provided for controlling an automatic shut-off process of an internal combustion engine in a motor vehicle. An automatic shut-off process of the internal combustion engine is inhibited as a function of predetermined operating conditions. The automatic shut-off process of the internal combustion engine is inhibited, if the internal combustion engine was started by a tow start process within a current operating cycle or within a predetermined number of previous operating cycles. | 12-10-2009 |
20100000487 | ENGINE STARTING APPARATUS - An ECU restarts a diesel engine without using a starter by injecting fuel into one of a plurality of cylinders, which is stopped in an expansion stroke, when an in-cylinder temperature of the one of the plurality of cylinders, which is stopped in the expansion stroker is equal to or higher than a preset temperature. Furthermore, the ECU restarts the diesel engine by using the starter when the in-cylinder temperature of the one of the plurality of cylinders, which is stopped in the expansion stroke, is lower than the preset temperature. | 01-07-2010 |
20100050970 | System for restarting internal combustion engine when engine restart request occurs - In a system, a starter includes a motor for rotatably driving an output shaft with a pinion and an actuator that shifts the pinion toward a ring gear to be engaged with the ring gear. A monitor unit monitors a rotational speed of the internal combustion engine. The rotational speed of the internal combustion engine drops after an automatic control for stop of the engine. When an engine restart request occurs with the rotational speed being within a preset range during the rotational speed of the internal combustion engine dropping by the automatic control for stop of the engine, a drive unit drives the actuator to shift the pinion toward the ring gear to be engaged with the ring gear. The drive unit rotatably drives the motor with the pinion being engaged with the ring gear to thereby crank the crankshaft. | 03-04-2010 |
20100059007 | Engine start system for use in idle stop system for automotive vehicle - An engine start system which may be employed in automotive idle stop systems. The engine start system includes a pinion gear to be pushed to a ring gear coupled to an engine for achieving meshing engagement with the ring gear. After the pinion gear engages the ring gear, the engine start system starts to rotate the pinion gear using a starter motor to crank the engine. Specifically, when an engine restart request is made following an engine stop request, the engine start system waits until after the speed of the engine drops below a preselected gear engageble speed and then moves the pinion gear toward the ring gear without rotating the pinion gear. This minimizes the consumption of fuel in the vehicle in supplying electric power to the starter motor and a maximum level of mechanical noise arising from the engagement of the pinion gear with the ring gear. | 03-11-2010 |
20100083926 | System for restarting internal combustion engine when engine restart request occurs - In a system for cranking a crankshaft of an internal combustion engine, a starter is provided with a motor working to, when energized, rotatably drive an output shaft with a pinion and an actuator working to, when energized, shift the pinion toward the ring gear to be engaged with the ring gear. A power supply is electrically connected to the motor and operative to output electrical power. A first mechanical relay is electrically connected between the power supply and the motor, and works to turn on and off a supply of a current based on the electrical power to the motor for rotating the pinion. A switching element is electrically connected across the first mechanical relay, and works to turn on and off the supply of the current to the motor for rotating the pinion. | 04-08-2010 |
20100116236 | Engine start control device and method - An engine start control device includes a starter energizing circuit that has two transistors connected in series and energizes a starter relay, and an idling stop ECU that performs energization control to turn on a transistor and energizes the starter relay when automatic start requirements are satisfied. Prior to the energization control, the idling stop ECU sequentially performs OFF failure detection and ON failure detection in one of the transistors, and OFF failure detection and ON failure detection in the other one of the transistors. The failure detection is aborted when failure is found. With this structure, ON failure in the two transistors can be detected with accuracy, and inadvertent driving of the starter can be prevented. | 05-13-2010 |
20100180849 | SYSTEM FOR RESTARTING INTERNAL COMBUSTION ENGINE WHEN ENGINE RESTART CONDITION IS MET - In a system, an angle sensor outputs a pulse each time an output shaft of an internal combustion engine rotates by a preset angle, and a calculator calculates speed-change information indicative of a change in a speed of rotation of the output shaft based on the pulses outputted from the angle sensor. A determiner determines, based on the speed-change information, whether at least one of the pulses outputted from the angle sensor represents a proper timing for a preset of a pinion of a starter with a ring gear mounted on the output shaft. A pinion engaging unit shifts the pinion toward the ring gear so that the pinion is engaged with the ring gear when it is determined that the at least one of the pulses outputted from the angle sensor represents the proper timing for the preset of the pinion with the ring gear. | 07-22-2010 |
20100224157 | APPARATUS FOR DETECTING THE STATE OF BATTERY - In an apparatus for detecting a state of a battery serving as a power source for cranking an internal combustion engine, a detecting unit and an internal resistance calculating unit are installed. The detecting unit detects a current and a voltage of the battery during a cranking period of the internal combustion engine, and outputs a parameter associated with at least one of the detected current and voltage of the battery. When a degree of change in the parameter within a specified period included in the cranking period is equal to or greater than a predetermined threshold, the internal resistance calculating unit calculates an internal resistance of the battery based on values of the current and voltage of the battery, the values of the current and the voltage being detected within the specified period. | 09-09-2010 |
20100229815 | SYSTEM FOR RESTARTING INTERNAL COMBUSTION ENGINE WHEN ENGINE RESTART CONDITION IS MET - In a system installed in a vehicle, an automatic stop of an engine is carried out when an engine automatic stop condition is met during the vehicle being decelerated. The automatically stopped engine is restarted when an engine restart condition is met before the vehicle is stopped. A vehicle speed obtaining unit obtains a vehicle speed, and a threshold determining unit determines a threshold based on a predetermined-timing value of the vehicle speed. The predetermined-timing value is obtained at a predetermined timing when or after the engine restart condition is met. The threshold is used to determine whether to enable a next automatic stop of the engine. A stop enabling unit enables the next automatic stop of the engine when the speed of the vehicle obtained after the engine restart condition is met is equal to or higher than the threshold. | 09-16-2010 |
20100242889 | METHOD FOR STARTING AN INTERNAL COMBUSTION ENGINE - A method automatically starts an internal combustion engine having variable valve lift. The internal combustion engine is shut down temporarily in certain driving operating states in order to save fuel and being re-started in the event of a change in the driving operating state. During the engine run-down, the inlet valve is actuated such that the closing time is shifted, with the cylinder being opened via the inlet valve until a pressure compensation has taken place in the cylinder in which an under-pressure would prevail during the engine run-down. | 09-30-2010 |
20100269776 | AUTOMATIC ENGINE CONTROL DEVICE - An ECU in an automatic engine control device predicts a maximum discharging current to be supplied from a battery to a starter during a next restart of the engine based on a present voltage, an internal resistance value of the battery, and a starter total resistance value during automatic engine stop. The ECU further predicts a minimum voltage of the battery during a period until the next restart of the engine based on the present voltage, the present internal resistance value of the battery, and the predicted maximum discharging current. The ECU judges whether or not execution of the next restart of the engine during the automatic engine stop based on the predicted minimum voltage of the battery. | 10-28-2010 |
20100326389 | SYSTEM FOR RESTARTING INTERNAL COMBUSTION ENGINE WHEN ENGINE RESTART REQUEST OCCURS - In a system, a starter includes a motor for rotatably driving an output shaft with a pinion and an actuator that shifts the pinion toward a ring gear to be engaged with the ring gear. A monitor unit monitors a rotational speed of the internal combustion engine. The rotational speed of the internal combustion engine drops after an automatic control for stop of the engine. When an engine restart request occurs with the rotational speed being within a preset range during the rotational speed of the internal combustion engine dropping by the automatic control for stop of the engine, a drive unit drives the actuator to shift the pinion toward the ring gear to be engaged with the ring gear. The drive unit rotatably drives the motor with the pinion being engaged with the ring gear to thereby crank the crankshaft. | 12-30-2010 |
20110005486 | Vehicle control device and method for idle stop control for the same - A vehicle control device for a vehicle system automatically stops an internal combustion engine of a vehicle when a predetermined stop condition is satisfied and automatically starts the automatically stopped internal combustion engine when a predetermined start condition is satisfied. A stop point detection unit detects a stop point, at which the vehicle possibly stops, while the vehicle travels based on map information stored in a map information storage unit. A traveling information control unit stores traveling information, which includes a state of the vehicle stopping at a stop point and a state of the vehicle passing by the stop point, in the traveling information storage unit. A stop determination unit determines whether to stop the internal combustion engine when the vehicle stops at a stop point based on the traveling information of the stop point stored in the traveling information storage unit. | 01-13-2011 |
20110017165 | ENGINE START CONTROL SYSTEM AND METHOD - An engine start control system is provided that includes a controller configured to perform an idle stop control to stop an engine based on an establishment of a condition. The system further includes a motor configured to reverse-rotationally drive a crankshaft to a predetermined position for normal-rotational or reverse-rotational driving, after engine stop. The controller includes a reverse-rotational drive controller configured to reverse-rotationally drive the motor at a rewinding control duty ratio immediately after the engine is stopped. The controller further includes a reverse-rotation stop condition processor configured to detect whether the crankshaft is rewound to the predetermined position by the reverse-rotational drive controller. Further, the controller includes a motor brake controller configured to apply a brake to the crankshaft by reverse-rotationally driving the motor when it is detected that the crankshaft is rewound to the predetermined position. The motor brake controller is configured to apply the brake stepwise. | 01-27-2011 |
20110056450 | SYSTEM FOR RESTARTING INTERNAL COMBUSTION ENGINE WHEN ENGINE RESTART CONDITION IS MET - In a system, a pinion shift unit starts shift of a pinion to a ring gear for engagement therebetween during an internal combustion engine coasting in a forward direction after an automatic stop of the internal combustion engine. An engagement determining unit determines whether the pinion and the ring gear have any one of first and second positional relationships therebetween. The first positional relationship represents that the pinion is at least partly engaged with the ring gear. The second positional relationship represents that the pinion is in abutment with the ring gear. When an engine restart condition is met before it is determined that the pinion and the ring gear have any one of first and second positional relationships therebetween after the start of the shift of the pinion to the ring gear, a rotation adjusting unit adjusts a start timing of rotation of the pinion. | 03-10-2011 |
20110088647 | METHOD FOR STARTING AN INTERNAL COMBUSTION ENGINE WITH START-STOP FUNCTION - In a method for starting an internal combustion engine ( | 04-21-2011 |
20110132308 | METHODS AND SYSTEMS FOR ASSISTED DIRECT START CONTROL - Methods and systems are provided for controlling a vehicle system including an engine that is selectively deactivated during engine idle-stop conditions. One example method includes, during a first condition, engaging an engine starter, without applying a starter current, to the deactivated rotating engine after the engine speed drops below a threshold speed. The method further includes, during a second condition, engaging the starter and adjusting a starter motor switch to apply a starter braking torque to the rotating engine. | 06-09-2011 |
20110174255 | METHOD AND DEVICE OF A START-STOP CONTROL FOR AN INTERNAL COMBUSTION ENGINE - In a method of a start-stop control for an internal combustion engine including briefly stopping and starting the internal combustion engine using an electric machine as a starter, the internal combustion engine is switched off by an engine control when switch-off conditions obtain, and the start-stop control queries whether a start signal exists on the basis of switch-on conditions. In order to ensure that a restart of the internal combustion engine is able to be performed more quickly, the start-stop control acts on the internal combustion engine using an operating strategy within a time period t until the internal combustion engine comes to a standstill. | 07-21-2011 |
20110174256 | CONTROL APPARATUS AND CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE - In a startup operation of an internal combustion engine, the internal combustion engine is started by supplying fuel to only a first cylinder group formed of a portion of cylinders, from among a plurality of cylinders that make up the internal combustion engine, when a startup condition of the internal combustion engine has been satisfied, and then fuel starts to be supplied to a second cylinder group formed of the remaining cylinders after the internal combustion engine has started. Meanwhile, in a stopping operation of the internal combustion engine, the internal combustion engine is stopped when a shutoff condition of the internal combustion engine is satisfied, by first stopping the supply of fuel to the second cylinder group and then stopping the supply of fuel to the first cylinder group after the supply of fuel to the second cylinder group has been stopped. | 07-21-2011 |
20110180031 | CONTROL OF IDLE-STOP OPERATION | 07-28-2011 |
20110232597 | METHOD AND DEVICE FOR CONTROLLING AN ENGINE STOP/RESTART SYSTEM TO BE MOUNTED ON AN AUTOMOBILE - A method and a device ( | 09-29-2011 |
20110239974 | INTERNAL-COMBUSTION-ENGINE AUTOMATIC STOP AND RESTART SYSTEM - An internal-combustion-engine automatic stop and restart system according to the present invention is provided with a restarting control unit that performs restarting control of the internal combustion engine by making the pinion pushing unit push out the pinion gear so as to engage the pinion gear with the ring gear, when the restarting condition is satisfied in a time period from a time instant when the automatic stopping condition is satisfied to a time instant when the rotation of the internal combustion engine stops; and a throttle valve control unit that opens the throttle valve even when the restarting condition has not been satisfied and stops control of the throttle valve in a time period from a time instant when the rotation of the internal combustion engine stops to a time instant when the restarting condition is satisfied, when the rotation speed of the internal combustion engine becomes lower than a predetermined value in a time period from a time instant when the automatic stopping condition is satisfied to a time instant when the rotation of the internal combustion engine stops. | 10-06-2011 |
20110271927 | AUTOMATIC START/STOP DEVICE FOR ENGINE-DRIVEN POWER GENERATOR - Starting and stopping an engine is automatically controlled based on a load without using a relay. An inverter engine-driven power generator has an alternator, a rectifying circuit, a DC/DC converter, and an inverter circuit. A load detection circuit is connected to an output of the inverter circuit in parallel. A load detection line of the load detection circuit is connected to an output line of the inverter circuit in parallel via resistors. A power supply formed of a battery is connected to the load detection line. A decision circuit outputs a load detection signal when a current having a preset value or more flows through the load detection line. A drive/stop CPU starts the engine in response to the load detection. The resistors are set at a resistance value which does not influence a load to which a generator output is supplied. | 11-10-2011 |
20110308490 | Method And Device For Start-Stop Systems Of Internal Combustion Engines In Motor Vehicles - The invention relates to a starting method for internal combustion engines in motor vehicles, comprising a start-stop system, and to a starting device ( | 12-22-2011 |
20110315108 | Control Device for Engine - Provided is a control device for an engine which is capable of purifying NOx with high efficiency at a restart after an idle stop without deteriorating purification efficiency of HC and CO. At the restart after the idle stop, an air-fuel ratio is controlled to be rich, and an atmosphere inside of a catalyst is estimated on the basis of a required time ΔT from a time point at which an output value (VO | 12-29-2011 |
20120080001 | ENGINE CONTROL APPARATUS - An engine control apparatus is configured to perform engine automatic stop to automatically stop an engine when predetermined engine stop conditions are satisfied and automatically restart the engine when predetermined engine restart conditions are satisfied. The stop conditions including that a vehicle speed decreases below a predetermined stop permission speed. The engine control apparatus includes a variation amount detection means for detecting a variation amount of a brake operation being performed by the vehicle driver during a deceleration period from when the vehicle has started to decelerate to when the vehicle speed has decreased below the stop permission speed, and a stop determination means for determining whether the engine automatic stop should be performed when the engine stop conditions are satisfied based on the variation amount detected by the variation amount detection means. | 04-05-2012 |
20120103292 | ENGINE AUTOMATIC STOP AND RESTART APPARATUS - An apparatus including an engine control unit which is configured to: start to supply electricity to a starter motor and start measurement of a power supply period; supply electricity to a solenoid when an absolute value of a rpm difference between an rpm of the engine and an estimated rpm of a pinion gear determined from a rpm table based on the measured power supply period becomes smaller than a rpm difference threshold value at which the pinion gear and a ring gear can be engaged with each other; judge that the engine is self-resumed when the engine becomes a state capable of self rotation with only fuel supply in a case where the rpm of the engine is larger than the estimated rpm of the pinion gear; and finish supplying electricity to the starter motor and finish measuring the power supply period, and finish supplying electricity to the solenoid. | 05-03-2012 |
20120138006 | IDLE STOP AND GO SYSTEM AND METHOD FOR CONTROLLING THEREOF - An ISG system prevents fuel consumption due to unnecessary idling, by controlling the start of an engine, in accordance with engine stop conditions and restart conditions of a vehicle equipped with an automatic transmission. A method includes determining whether prior conditions for engine stop in an engine controller when an engine is in operation is satisfied, determining whether the engine can be stopped, when the prior conditions for engine stop are satisfied, determining whether engine stop conditions is satisfied, when the engine can be stopped, stopping the engine that is in operation, when the engine stop conditions are satisfied, determining whether key start conditions are satisfied, when the engine is stopped, determining whether restart is possible, when the key start conditions are not satisfied, determining whether conditions for restart are satisfied, when restart is possible, and restarting the engine, when the restart conditions are satisfied. | 06-07-2012 |
20120199090 | ENGINE STARTING DEVICE - Provided is an engine starting device enabling the meshing engagement of a pinion gear and a ring gear to be quickly and quietly achieved in an automatic idle-stop system while an engine is rotating by inertia. The engine starting device includes: a ring gear connected to a crankshaft of an engine; a starter motor for starting the engine; a pinion gear for transmitting rotation of the starter motor to the ring gear; pinion-gear moving portion for moving the pinion gear so as to achieve meshing engagement with the ring gear; and starter control portion for executing any one of a plurality of control modes. | 08-09-2012 |
20120204827 | METHOD, CONTROL UNIT, AND INTERNAL COMBUSTION ENGINE HAVING CYLINDER DEACTIVATION FOR A START-STOP OPERATION HAVING DIRECT START - A method for restarting an internal combustion engine with the aid of direct start and cylinder deactivation, a control unit, and such an internal combustion engine are provided, it being possible to switch between a cylinder deactivation mode, in which at least one cylinder of the internal combustion engine is deactivated, and a full count mode, and the internal combustion engine being operatable in an automatic start-stop strategy having subsequent direct start. The method includes an automatic stop, the cylinders which participate in the subsequent direct start are operated without combustion in the cylinder deactivation mode during the previous driving operation. | 08-16-2012 |
20120247414 | METHOD AND SYSTEM FOR CONTROLLING AN ENGINE - A method and system for dealing with a change of mind event during an automatic shut-down of an engine | 10-04-2012 |
20120312269 | INTERNAL COMBUSTION ENGINE AUTOMATIC-STOP/RESTART CONTROL SYSTEM - In an internal combustion engine automatic-stop/restart control system according to the present invention, excellent restartability of an internal combustion engine is ensured in such a way that, while the internal combustion engine inertially rotates after its automatic stop, a solenoid of a starting apparatus for starting the internal combustion engine is driven so that a pinion gear is moved in the axis direction and pushing the pinion gear against a ring gear is started, and detection of a reference signal through a crank angle signal is prohibited until a predetermined period elapses after the pushing has been started so that erroneous reference signal recognition is prevented. | 12-13-2012 |
20130074795 | METHOD FOR CONTROLLING AN AUTOMATIC START-STOP MECHANISM - One aspect of the present disclosure relates to a method for controlling an automatic start-stop mechanism for an internal combustion engine. The method comprises providing a turbocharger temperature, comparing the turbocharger temperature with a constant and, if the turbocharger temperature is greater than the constant, deactivating the automatic start-stop mechanism of the internal combustion engine. | 03-28-2013 |
20130104830 | CONTROL DEVICE AND CONTROL METHOD OF A STARTER, AND ENGINE STARTING DEVICE | 05-02-2013 |
20130112165 | ENGINE STARTING APPARATUS FOR IDLE-STOP VEHICLE - The total length of starter harness | 05-09-2013 |
20130133606 | DEVICE APPLIED IN START-UP UNIT THAT CONSTANTLY WORKS GEARED TO THE MAIN ENGINE - The present model describes the technical field of parts for the automobile sector, more specifically a device applied in the starter unit that constantly works geared to the main engine. The new model presents a start-up unit that works with a drive gear constantly engaged to the gear train of the main engine; a torque transmission system and free wheel ( | 05-30-2013 |
20130180490 | ENGINE STARTING DEVICE AND ENGINE STARTING METHOD - Engine starting device, including: a crank signal generation unit ( | 07-18-2013 |
20130220256 | CONTROLLER FOR ENGINE STARTER - An engine starter controller for a vehicle equipped with an idle-stop controller includes a user-start circuit, an auto-start circuit, a switch, and a failure detector. The user-start circuit energizes a starter when a driver starts an engine. The auto-start circuit energizes the starter when the idle-stop controller automatically restarts the engine. The switch circuit switches an energization circuit for energizing the starter from the user-start circuit to the auto-start circuit after the user-start circuit starts to energize the starter by causing the auto-start circuit to energize the starter and by putting the user-start circuit into a forced state where the user-start circuit is forced to stop energizing the starter. The failure detector determines whether the auto-start circuit energizes the starter when the energization circuit is switched to the auto-start circuit. | 08-29-2013 |
20130255614 | ENGINE AUTOMATIC STOP AND START DEVICE, AND ENGINE AUTOMATIC STOP AND START CONTROL METHOD - Provided is a device for automatically stopping an engine when an automatic stop condition is satisfied and restarting the engine thereafter when a restart condition is satisfied, the device including: a ring gear ( | 10-03-2013 |
20140102395 | ENGINE STARTER DESIGNED TO MINIMIZE MECHANICAL NOISE AT START OF ENGINE - An engine starting system for an engine is equipped with a pinion, an electromagnetic actuator, and a controller. When energized, the electromagnetic actuator produces a magnetic attraction to move the pinion straight toward a ring gear coupled to an engine for starting the engine. The controller is designed to selectively provide a small amount of current to the electromagnetic actuator and a large amount of current to the electromagnetic actuator. When it is required to minimize the level of noise arising from mechanical contact of the pinion with the ring gear, the controller provides the small amount of current to the electromagnetic actuator to slow the movement of the pinion toward the ring gear, thereby lessening the impact of the pinion on the ring gear. | 04-17-2014 |
20140305395 | Electronic Wizard InfiRun Automobile Ignition Electrical Module - An automobile vehicle ignition device activated with a dashboard button that keeps an automobile engine and vehicle powered accessories running without a key inserted into the ignition cylinder. The ignition device disables the automobile engine once a brake is pressed, preventing movement of the vehicle during operation. | 10-16-2014 |
20140326208 | INTERNAL COMBUSTION ENGINE AUTOMATIC STOP/RESTART DEVICE AND INTERNAL COMBUSTION ENGINE AUTOMATIC STOP/RESTART METHOD - Provided are an internal combustion engine automatic stop/restart device and an internal combustion engine automatic stop/restart method capable of appropriately releasing a drive inhibition state of a starter ( | 11-06-2014 |
20150053164 | STARTER SYSTEM FOR AN ENGINE - An internal combustion engine includes a cylinder, an exhaust, a fuel tank, an engine cover, a power take off configured to drive an implement, an electric starting system including a starter motor, a battery receiving port, and a rechargeable battery removably attached to the battery receiving port, and an electric start control module including a switch configured to be actuated by a release mechanism configured to put the implement in the ready-to-run condition and a controller coupled to the switch, wherein the switch is configured to provide a signal when the release mechanism is in the engaged position, wherein the controller is configured to receive the signal, wherein the controller it configured to turn on the starter motor to start the internal combustion engine upon receipt of the signal from the switch and an input from a run sensor confirming that the implement is in the ready-to-run condition, and wherein the rechargeable battery is configured to power the starter motor to start the engine. | 02-26-2015 |
20150096518 | VEHICLE STARTING SYSTEM - A starting system for an internal combustion engine is disclosed. During a key-start, a starter assembly is used to initiate rotation of the engine crankshaft. After the engine speed reaches a transfer speed, an alternator is used to supply torque to the engine until the engine is started. In some embodiments, the starter motor is de-energized while the alternator is cranking the engine and before the engine is started. The same battery pack is used to power both the starter motor and the alternator when starting the engine. An automatic start-stop system is also disclosed. When automatically restarting the engine, the alternator alone is used to restart the engine if it is still coasting above a restart engine speed. If the engine speed is below the restart engine speed, the starter motor initially cranks the engine when restarting the engine. | 04-09-2015 |
20150300311 | ENGINE START SYSTEM MINIMIZING MECHANICAL IMPACT OR NOISE - An engine start system which may be employed in automotive idle stop systems. To start an engine, the system brings a pinion gear into engagement with a ring gear coupled to the engine and turns on an electric motor to rotate the ring gear through the pinion gear to crank the engine. When it is requested to start the engine during deceleration of the engine before stop thereof, the system thrusts the pinion into engagement with the ring gear and then turns on the motor to rotate the pinion gear, in other words, delays the activation of the motor until after the pinion gear has engaged the ring gear. This minimizes mechanical impact or noise arising from the engagement of the pinion gear with the ring gear and improves the reliability in engagement with the ring gear during the deceleration of the engine and durability of the system. | 10-22-2015 |
20150369199 | AUTOMATIC STOP/RESTART CONTROL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE AND VARIABLE VALVE ACTUATING APPARATUS - An automatic stop/restart control system for an internal combustion engine comprising: an engine stop device configured to stop fuel injection from a fuel injection valve in response to generation of an engine stop request during an operation of an internal combustion engine; and a restart device configured to restart the fuel injection from the fuel injection valve and opening an exhaust valve in a vicinity of a bottom dead center on an expansion stroke end side in response to generation of a restart request by a driver in a course of a decrease in number of revolutions of the internal combustion engine during stop of the fuel injection by the engine stop device. | 12-24-2015 |
20160115931 | ENGINE AUTOMATIC STOP/RESTART DEVICE - An engine automatic stop/restart device includes a ring gear which is linked to a crank shaft of the engine, a starter motor which is energized so as to be rotated, a pinion gear which transmits a rotation of the starter motor to the ring gear, and a pinion gear movement unit which is energized so as to move the pinion gear in a direction of the ring gear, whereby the pinion gear is engaged to the ring gear, in a state where the engine automatic stop/restart device automatically stops the engine when an engine automatic stop condition is established, and restarts the engine when an engine restart condition is established, and includes an inertially-rotating-restart-decision unit which permits or prohibits a restart of the engine, which is inertially rotating after the engine is automatically stopped, in accordance with a detection result of an oil temperature of the engine. | 04-28-2016 |
20160115932 | SYSTEM AND METHOD FOR IMPROVING FUEL ECONOMY AND REDUCING EMISSIONS WHEN A VEHICLE IS DECELERATING - A system according to the principles of the present disclosure includes a fuel control module, a transmission control module, and a starter control module. The fuel control module selectively stops fuel delivery to cylinders of an engine while the engine is coupled to a transmission of a vehicle when an accelerator pedal is not depressed. The transmission control module selectively decouples the engine from the transmission while fuel delivery to the cylinders is stopped. The fuel control module selectively allows the engine to stop while the vehicle is moving by not resuming fuel delivery to the cylinders when the engine is decoupled from the engine. The starter control module controls a starter to automatically restart the engine when the accelerator pedal is depressed after fuel delivery to the cylinders is stopped and the engine is decoupled from the engine. | 04-28-2016 |
20160169139 | NEGATIVE PRESSURE ABNORMALITY DETECTION APPARATUS, AND CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE | 06-16-2016 |
20170234285 | START/STOP SYSTEM FOR VEHICLES AND METHOD OF MAKING SAME | 08-17-2017 |
20190145369 | ENGINE START/STOP FUNCTION MANAGEMENT | 05-16-2019 |