| Entries |
| Document | Title | Date |
|---|
| 20080289446 | ENGINE STARTER - Obtained is an engine starter having a structure in which, even when frictional heat is generated on a roller due to sliding of a roller and a clutch inner with respect to each other, deformation of a rolling contact surface of the roller is reduced by suppressing reduction in hardness of the rolling contact surface of the roller due to the frictional heat, thereby making it possible to improve transmission of a rotation force from a clutch outer to a clutch inner. The engine starter includes a clutch ( | 11-27-2008 |
| 20090071288 | OUTPUT SHAFT FOR A STARTING DEVICE - An output shaft ( | 03-19-2009 |
| 20090183595 | Starter with compact structure - An electromagnetic switch is disclosed as having an electromagnetic switch, operative to open or close a main contact of a motor circuit, and a solenoid having a function to push a pinion gear to a position away from a motor. The electromagnetic switch and the solenoid are placed in series in a unitary structure such that the electromagnetic switch and the solenoid have a switch case and a solenoid case both of which are integrally formed with each other to be contiguous in an axial direction. | 07-23-2009 |
| 20090314133 | Starter for Start-Stop Cranking System - An apparatus for cranking an engine that includes a starter motor that includes an armature shaft, a pinion connected to the armature shaft for rotation about an axis, the pinion being able to translate along the axis relative to the armature shaft toward a fixed surface that limits said translation, an engine crankshaft, a ring gear engaged with the pinion and driveably connected to the crankshaft, and a first spring for urging the pinion elastically toward with the fixed surface and the ring gear and elastically resisting axial translation of the pinion away from the ring gear. | 12-24-2009 |
| 20110203410 | ENGINE STARTER CONTROL APPARATUS - A starter control apparatus is provided which is used with a starter equipped with a pinion engageable with a ring gear coupled to an output shaft of an engine and a motor operable to rotate the pinion to crank the engine. The starter control apparatus works to determine whether the engine has been placed to continue to run by itself after cranked by the motor or not. When such a condition is encountered, the starter control apparatus releases the engagement of the pinion with the ring gear while keeping the pinion rotated by the motor, thereby decreasing the torque exerted by the ring gear on the pinion to minimize the wear of the pinion. | 08-25-2011 |
| 20110239821 | START CONTROL DEVICE - Provided is a start control device capable of reducing power consumption during the driving operation of a starter motor, to thereby improve fuel efficiency of a vehicle. In the start control device, a motor drive torque estimating part ( | 10-06-2011 |
| 20140076104 | ENGINE STARTING SYSTEM AND ENGINE STARTING METHOD - A starting system of an engine mounted in a vehicle capable of running using torque output from an electric motor includes a estimation portion that estimates engine speed and output torque of the engine when the engine is driven to realize the power requested by the driver, a comparing portion that compares a time for which the engine continues to be stopped with a first time and a second time that is longer than the first time, a first starting portion that starts the engine when estimated engine speed is greater than first speed and less than second speed, and the estimated output torque is greater than first value and less than second value, and a second starting portion that starts the engine when the time for which the engine continues to be stopped is longer than the second time. | 03-20-2014 |
| 20140130635 | METHOD FOR CONTROLLING AN ENGINE DRIVE BELT TENSIONER SYSTEM - Methods and systems are provided for controlling an engine drive belt tensioner system in which the engine is controlled by an engine stop-start system. When the engine stop-start system decides to stop the engine, the engine drive belt tensioner system is operated so as to increase the tension in a respective drive belt to a high level during the engine stop process. This reduces the time taken for the engine to stop and will tend to reduce any tendency for reverse rotation of the engine at the end of the stop phase. | 05-15-2014 |
| 20150007695 | ENGINE STARTING DEVICE - An engine starting device is basically provided with a resistor, a bypass circuit and a switch. The resistor is configured to be disposed in series between a starter motor and a battery. The bypass circuit is disposed in parallel with respect to the resistor. The switch is configured to selectively open and close the bypass circuit, the switch opening the bypass circuit in response to commencement of engine startup, and closing the bypass circuit in response to the battery voltage approaches a maximum value during engine startup. | 01-08-2015 |
| 20160032881 | VEHICULAR POWER TRANSMISSION DEVICE - A vehicular power transmission including a crank type continuously variable transmission is provided in which when the rotational speed of an engine during deceleration fuel cut-off is at least a first rotational speed, which is an upper limit of rotational speed at which plunging of a starter motor is possible, but less than a second rotational speed, which is a lower limit of rotational speed at which self-ignition of the engine is possible. The engine is cranked and restarted by transmitting the driving force of an electric motor of a shift actuator to an input shaft via first and second engagement portions. This eliminates the need for restarting the engine with the starter motor by waiting until the rotational speed of the engine has become less than the first rotational speed, thus reducing the time required for restarting the engine. Moreover, the electric motor can be made small. | 02-04-2016 |
| 20080314195 | Starter for engines - The clutch outer | 12-25-2008 |
| 20090049952 | Starter having intermediate gear - A starter having intermediate gear includes a clutch, a pinion, an intermediate gear and a link member. The pinion has a boss portion formed with a pair of pinion flanges. The intermediate gear has a boss portion formed with a pair of intermediate gear flanges. The upper end side of the link member is engaged with a groove between the pair of pinion flanges, being in contact with the pinion flanges. The lower end side of the link member is engaged with a groove between the pair of intermediate gear flanges, being in contact with the intermediate gear flanges. Thus, unlike the conventional art, no influence is caused by the axial dimensional variations and position of the clutch. As a result, the axial rattling of the Intermediate gear can be suppressed, and no substantial design change is necessary to cope with the positional change of the clutch. | 02-26-2009 |
| 20090133531 | Electric Starter Motor With Idle Gear - A helical spline section | 05-28-2009 |
| 20090145263 | ENGINE STARTER - An engine starter includes a motor that comprises a drive shaft; and a unidirectional rotation clutch system that is helical-splined to the drive shaft. The clutch system includes a clutch inner; a clutch outer; a clutch roller that is interposed between the clutch outer and the clutch inner; and a spring that urges the clutch roller, wherein a compound film is formed on a surface of the clutch roller or surfaces of the clutch outer and the clutch inner. | 06-11-2009 |
| 20090165593 | Starter for Internal Combustion Engine - A starter for an internal combustion engine includes a power transmission mechanism. The power transmission mechanism has an outer race plate fastened to a crankshaft, and a ring gear coupled to a rotational shaft of an electric motor for starting the engine. The power transmission mechanism further has a one-way clutch for permitting torque transmission only from the ring gear to the outer race plate, and two sealing members. Lubricant is supplied from the cylinder block to the interior of the power transmission mechanism for lubricating the power transmission mechanism. The outer race plate has a groove on its contact surface of a contact portion between the crankshaft and the outer race plate. The groove extends in the entire circumferential direction of the crankshaft. This maintains the coupling strength between the outer race plate and the crankshaft, while enhancing the sealing performance of the power transmission mechanism. | 07-02-2009 |
| 20090183594 | Clutch for starters - A clutch is provided with a flat washer arranged in contact with an end surface at a pinion gear side of an outer clutch in an axial direction, a half-divided washer that is arranged adjoining the flat washer of the pinion gear side in its axial direction, and a covering member that fits into the perimeter of the pinion neck portion, and is arranged adjoining the pinion gear side in the axial direction of the half-divided washer so that the covering member prevents the foreign substances, such as dust or moisture that enter into the inside of the clutch. A clutch cover fixes the washers and the covering member to the clutch. The covering member is formed of the paper material, for example, into which oil is infiltrated and has one slit in the direction of a circumference for easy attaching to the pinion neck portion. | 07-23-2009 |
| 20090205464 | Starter including one-way clutch and method of manufacturing clutch outer of one-way clutch - The starter includes a planetary type reduction gear device for reducing rotational speed of a motor, the planetary type reduction gear including a sun gear coupled to a shaft of the motor, planetary gears engaging with the sun gear and a planetary carrier outputting a revolutional motion around the sun gear of the planetary gears as a drive torque of the motor. The starter further includes a one-way clutch transmitting the drive torque from a side of a clutch outer thereof to a side of a clutch inner thereof through rollers disposed in cam chambers formed between the clutch outer and the clutch inner. The clutch outer is integral with the planetary carrier. The planetary carrier is integrally formed with planetary shafts rotatably supporting the planetary gears, and projecting pins projecting in the same direction as the planetary shafts. The planetary shafts are located inwardly of the cam chambers. | 08-20-2009 |
| 20090301257 | ONE-WAY CLUTCH OF ROLLER TYPE FOR STARTER OF MOTOR BIKE - A one-way clutch of roller type comprises an outer race having pockets provided at their inner peripheries with cam surfaces, an inner race arranged in an inner diameter side of the outer race coaxially, a plurality of rollers disposed in the pockets and adapted to transmit torque between the outer race and the inner race when engaged by the cam surfaces, and accordion springs disposed in the pockets between the outer race and the rollers and having one ends secured to an axial end face of the outer race and adapted to bias the rollers toward engagement directions with respect to the cam surfaces, and the axial end face of the outer race is provided with a discriminating area to which the accordion springs are secured, and the discriminating area is capable of being discriminated from the other areas. | 12-10-2009 |
| 20090308198 | Starter System with Integral Clutch Pinion for Start-Stop Engine Cranking - A torque transfer system for cranking an engine includes a starter motor, an engine crankshaft, a pinion, a ring gear engaged with the pinion and driveably connected to the crankshaft, and a one-way clutch for alternately opening and closing a drive connection between the pinion and the starter motor. | 12-17-2009 |
| 20090320644 | Torque Limiter for Engine Starter - An engine starter comprises a housing with a planetary gear arrangement provided within the housing. The planetary gear arrangement includes a ring gear configured to pivot about an axis. The ring gear includes a face oriented substantially perpendicular to the axis, the face including a plurality of detents provided as a plurality of ribs and a plurality of depressions on the face. A torque limiter is positioned adjacent to the face of the ring gear within the housing of the engine starter. The torque limiter includes a plurality of projecting members engaging the plurality of detents on the ring gear when the ring gear pivots about the axis. The torque limiter is provided as a plate including a central hole, a body portion, and a perimeter portion. The plurality of projecting members comprise a plurality of spring fingers extending from the body portion at an angle. | 12-31-2009 |
| 20100236360 | TORQUE TRANSMISSION AND FREE-WHEEL SYSTEM USING PAWLS FOR START- DRIVES - The current invention is a torque transmission and free-wheel system using blades for start-propellers which is in the technical field of general start-propellers, more specifically a transmission and free-wheel system using blades for start-propellers, whose objective is a torque transmission model and free-wheel based on the use of blades ( | 09-23-2010 |
| 20100251853 | STARTER MOUNTED ON VEHICLE HAVING IDLE-STOP APPARATUS - A starter includes an electromagnetic solenoid that generates force for pushing a pinion gear | 10-07-2010 |
| 20100257975 | STARTER HAVING NOISE REDUCTION STRUCTURE - The present invention provides a starter, including a motor generating torque; a shaft rotating by the torque; a clutch fitting an outer periphery of the shaft; a pinion gear receiving the torque; a pinion control means configured to allow the pinion gear integrally with the clutch to be pushed out; a motor control means for controlling current supplied to the motor; and an inner tube that is arranged to be extended from the inner and in the direction opposite to the motor, supports the pinion gear so as to inhibit rotation thereof with respect to the periphery of the inner tube, and supports the pinion gear to be slidable; wherein a gear-side face and a tube-side face are formed in the pinion gear and the inner tube, respectively, in which the faces are facing each other, and a cushioning member is disposed between the gear-side face and the tube-side face. | 10-14-2010 |
| 20100263480 | ENGINE STARTING APPARATUS - An engine starting apparatus is provided that has a constantly engaged starter pinion and a one-way clutch lubricated with transmission fluid, without modification to the engine and without adding axial length to the transmission. Specifically, a starting apparatus for cranking an engine crankshaft using a starter motor is provided for an engine that is operatively connected to a transmission through a torque converter. | 10-21-2010 |
| 20100269630 | ENGINE STARTING APPARATUS - In an engine starting apparatus, together with a one-way clutch, a pinion is pushed toward a ring gear of an engine mounted in a vehicle, The one-way clutch has an idling torque smaller than a torque of the ring gear that tries to turn the pinion when the pinion is pushed to the ring gear. By a control device, a pinion pushing device is enabled to operate when i) the revolution speed of the ring gear is larger than a revolution speed of the pinion and ii) a relative revolution speed between the revolution speed of the ring gear and the revolution speed of the pinion is a desired value. | 10-28-2010 |
| 20100294078 | ENGINE STARTER - Excellent durability can be achieved by reducing thermal influences of the excessive load from the engine side for a clutch roller ( | 11-25-2010 |
| 20110259146 | STARTER - A motor; an electromagnetic switch which; a clutch; and a shift lever which is configured by a pair of lever bodies that are arranged so that one side is engaged with a plunger and the other side is engaged with the clutch, and are provided. A passing through hole is formed at each end portion on the other side of the lever bodies; and an annular plate, which is arranged at an engaging portion of the clutch and on the inside of the other side of the lever bodies and has a convex shaped engaging portion to be passed through the passing through hole, is provided. | 10-27-2011 |
| 20120031231 | STOP-START SELF-SYNCHRONIZING STARTER SYSTEM - A starter system is provided for an engine having a stop-start capability. The starter system includes a first gear coupled to the engine, wherein the first gear rotates at a speed of the engine. The starter system also includes a starter arranged relative to the engine. The starter includes a second gear arranged to selectively mesh with and apply torque to the first gear in order to start the engine, such that the second gear is capable of rotating at the speed of the engine. The starter additionally includes a synchronizer arranged to substantially match the speed of the first gear with the speed of the engine prior to engagement of the first and second gears, such that the second gear is enabled to mesh with and apply torque to the first gear to thereby start the engine. The starter system and the engine may be employed in a vehicle. | 02-09-2012 |
| 20120067167 | CLUTCH LOCKING PLATE WITH OIL SLINGER - A locking plate for use in an air turbine starter has a lock plate body including an oil slinger extending away from a base. The base is positioned on an outer peripheral surface of a clutch frame. The slinger extends away from the base for a distance, and a ratio of the distance to a thickness of the base is ten and thirty. A clutch and air turbine starter, and a method of assembly are also disclosed. | 03-22-2012 |
| 20120118103 | INTEGRATED ACCESSORY GEARBOX AND ENGINE STARTER - An air turbine starter and accessory gearbox assembly, the accessory gearbox includes a gear shaft and the air turbine starter includes an output shaft and a clutch assembly. The output shaft extends from the accessory gearbox and is coupled to and supported by the gear shaft. The accessory gearbox is adapted to receive the air turbine starter such that the clutch assembly and the output shaft are disposed within a casing of the accessory gearbox when the air turbine starter is mounted to the accessory gearbox. | 05-17-2012 |
| 20120125149 | MOTOR STARTER INCLUDING AN ARMATURE HAVING AN INTEGRAL DRIVE SYSTEM - A motor starter includes a housing having an exterior surface and an interior surface that defines an interior portion, a field coil mounted to the interior surface of the housing, and an armature is supported within the housing and rotatable relative to the field coil. The armature includes a shaft having an exterior surface and a hollow interior. A commutator is operatively connected to the shaft, and a drive system is arranged within the hollow interior of the shaft. The drive system includes a gear system. An output shaft is operatively connected to the gear system. | 05-24-2012 |
| 20120167713 | ENGINE STARTUP DEVICE - A startup device includes a starting motor, a drive gear mounted on an output shaft of the starting motor, a transmission mechanism, and a fly wheel. The transmission mechanism further includes a first gear engaging with the drive gear, and at least three second gears, each being disposed on an end face of the first gear through a unidirectional overrunning clutch. Each unidirectional overrunning clutch is mounted on a mounting shaft disposed on the end face of the first gear. The startup device further includes a third gear disposed on and end face of the fly wheel and engaged with the third gears. | 07-05-2012 |
| 20120227540 | ENGINE STARTING SYSTEM WITH ONE-WAY CLUTCH - A hybrid vehicle starting system includes a pinion gear driven by a starter motor, and a drive plate having a set of teeth in constant meshed engagement with the pinion gear. A one-way clutch drivingly interconnects the drive plate and an engine crankshaft and includes an inner race fixed for rotation with the crankshaft, an outer race fixed for rotation with the drive plate, and a plurality of rollers positioned radially therebetween. A cage positions the rollers in circumferentially spaced apart alignment with outer cam surfaces. A split ring is positioned within grooves on each of the inner race and the outer race. The split ring is fitted within one of the grooves at a first clearance and fitted within the other of the grooves at a predetermined second clearance at least ten times the first clearance to isolate the outer race from vibrations of the inner race. | 09-13-2012 |
| 20120227541 | ONE-WAY CLUTCH AND OFF-AXIS COUPLING FOR AN ENGINE STARTING SYSTEM - A starting system for a hybrid vehicle includes a pinion gear driven by a starter motor and a drive plate having a set of teeth in constant meshed engagement with the pinion gear. A one-way clutch assembly drivingly interconnects the drive plate and an engine crankshaft and includes an inner race fixed for rotation with the crankshaft, an outer race coupled for rotation with the drive plate and a plurality of rollers positioned radially therebetween. The outer race includes a first set of teeth drivingly engaging a second set of teeth on the drive plate and arranged to allow the outer race to rotate about an axis misaligned with an axis of rotation of the drive plate. A spring engages the drive plate and the outer race to urge the first and second sets of teeth into alignment with one another. | 09-13-2012 |
| 20120260770 | STARTER FOR VEHICLE - The starter includes an electromagnetic switch includes a first solenoid for pushing out the pinion shaft to an engine side and a second solenoid for opening and closing a main contact through which a current is supplied to a motor. The first and second solenoids are disposed coaxially with the pinion shaft. The first and second plungers included in the first and second solenoids, respectively are disposed overlapping with each other in the axial direction of the starter such that a rear portion of the first plunger enters inside the second plunger when they are deenergized. | 10-18-2012 |
| 20130074652 | Starter Motor Having Clutch with Grooved Roller Elements - A clutch includes an outer clutch member, an inner clutch member, and a plurality of roller members. The outer clutch member defines an opening, and the inner clutch member is at least partially positioned within the opening. The inner clutch member includes a clutch surface. The plurality of roller members is at least partially positioned within the opening between the clutch surface and the outer clutch member. The roller members define a plurality of roller surfaces separated by at least one annular groove. Each of the roller members is displaceable within the opening to position the roller surfaces into engagement with the clutch surface to lock the inner clutch member into synchronous movement with the outer clutch member in response to movement of the inner clutch member in a rotational direction. | 03-28-2013 |
| 20130081514 | ENGINE STARTER - In the engine starter related to the present invention, a torsional angle θ | 04-04-2013 |
| 20130087017 | STARTER - The pinion tube is supported by an output shaft in an inner circumference of a cylindrical hole, an inner circumference side pressure-receiving range α that receives a contacting pressure from the output shaft is formed on a sliding surfaces, the pinion tube is further supported by a bearing from a perimeter side thereof, and a perimeter side pressure-receiving range that receives the contacting pressure from the bearing is formed on a sliding surfaces. There exists an overlapping range that overlaps in the axial direction in the inner circumference side and the perimeter side pressure-receiving ranges, and a length of the overlapping range in the axial direction is always equal to a length of the perimeter side pressure-receiving range in the axial direction even if the pinion tube moves in the axial direction. | 04-11-2013 |
| 20130091985 | DEVICE FOR STARTING A COMBUSTION ENGINE - A device has an output which is formed by a gearwheel that can be coupled to a gearwheel on a crankshaft of a combustion engine. The device comprises a first auxiliary drive source arranged as an electromotor, which is coupled to the output via a node. A first branch of a drive line is present between the electromotor and the node and a second branch of the drive line is present between the node and the output. The device further includes a second auxiliary drive source arranged as a flywheel which is coupled to the output via the node. A third branch is then present between the flywheel and the node. | 04-18-2013 |
| 20130133479 | STARTER - A starter includes an output shaft which rotates by a rotary force applied from the motor unit, a housing in which an end of the output shaft is rotatably supported, and an electromagnetic device configured to apply/shut off current to the motor unit, and biases a suppressing force toward the ring gear to the pinion gear through a clutch mechanism, wherein a load receiving member which abuts one end of the output shaft to receive an axial load generated from the output shaft is installed in the housing. | 05-30-2013 |
| 20130152733 | STARTER AND MOWER USING THE STARTER - A starter has a high voltage direct current electric motor, a speed reduction device, a clutch, an output gear and a switch box configured to turn on the electric motor. The output gear is driven by the electric motor via the speed reduction device and the clutch. The starter also has a stationary axle on which the output gear is installed. The electric motor has an output shaft. The speed reduction device has a drive gear fixed to the output shaft and a driven gear meshed with the drive gear, the driven gear being rotatably mounted to the axle via a bushing. | 06-20-2013 |
| 20130167686 | STARTER - In a starter, an output shaft is supported by a main tube body according to a direct contacting structure that outer surfaces other than a male helical spline and inner surfaces other than a female helical spline of a pinion tube contact directly. Thereby, the output shaft can be supported by the pinion tube without other parts. As a result, a clearance that occurs in a radial direction can be limited to a clearance in the radial direction formed between an outer surfaces of the output shaft and an inner surfaces of the pinion tube regarding a support of the output shaft by the pinion tube, and since an inclination of the pinion tube and the pinion relative to the output shaft can be suppressed, a life improvement effect of the starter can be enhanced. | 07-04-2013 |
| 20130186235 | ENGINE STARTING DEVICE FOR VEHICLE - A vehicle engine starting device includes a drive starter gear provided on an output shaft of a transmission and a driven starter gear provided on a crankshaft of an engine are meshed, not only is it possible to start the engine by cranking the crankshaft by means of the driving force transmitted from a driven wheel without requiring a starter motor, but it is also possible to prevent the dragging of the transmission since the driving force is not transmitted to the crankshaft via the transmission. Further, since the gear ratio of the drive starter gear and the driven starter gear is set so that the rotational speed of the crankshaft attains a rotational speed that can start the engine when the vehicle speed reaches a predetermined vehicle speed for starting the engine, it is possible to reliably start the engine by cranking the crankshaft at an optimum speed. | 07-25-2013 |
| 20130199335 | METHOD FOR STARTING AN ENGINE - A method for improving starting of an engine that may be repeatedly stopped and started is presented. In one embodiment, the method adjusts a transmission actuator in response to engine combustion during an engine start. The method may improve vehicle launch for stop/start vehicles. | 08-08-2013 |
| 20130205948 | DRIVE TRAIN FOR A MOTOR VEHICLE - A drive train for a motor vehicle includes: a primary drive unit; a powershift transmission which is arranged behind the primary drive unit in the direction of the power flow; a starting element which is arranged in the power flow between the primary drive unit and the powershift transmission and which includes at least one coupling; an electrical machine which is arranged in the power flow between the starting element and the powershift transmission; and at least one retarder which is arranged in the power flow before and/or after the powershift transmission. | 08-15-2013 |
| 20130213182 | ARRANGEMENT FOR AN INTERNAL COMBUSTION ENGINE - An arrangement connectable to an internal combustion engine having a crankshaft, the arrangement including a flywheel, which is connectable to the crankshaft and coupled by a coupling device to output elements. An intermediate piece is arranged in a torque-transmitting manner between the flywheel and the coupling device. A starter generator is arranged within a flywheel housing and operatively connected to the crankshaft. The intermediate piece has in the center thereof an opening in which a shaft body is mounted in an axially movable manner, and the shaft body is connected to the coupling device by means of a flexible transmission element. | 08-22-2013 |
| 20130213183 | ARRANGEMENT FOR AN INTERNAL COMBUSTION ENGINE - An arrangement for an internal combustion engine, including a flywheel connectable the crankshaft of the internal combustion engine, a starter generator arranged in a housing of the flywheel, and a friction clutch, which connects the flywheel to a transmission. An intermediate piece is fastened to the output side of the flywheel, such that a torque-transmitting fastening of the intermediate piece to the flywheel is arranged radially to the inside of a torque-transmitting fastening of the intermediate piece to the friction clutch, with respect to the radial spacing from the axis of rotation of the flywheel, and that the intermediate piece forms the abutment for a friction lining of the friction clutch at an abutment surface. | 08-22-2013 |
| 20130327182 | ARMATURE WITH TORQUE LIMITER FOR ENGINE STARTER - An engine starter includes a gear assembly including a pinion gear. The engine starter further comprises an electric motor including an armature coupled to the gear assembly and configured to drive the gear assembly and the pinion gear. The armature includes a core member defining a central cavity extending in an axial direction within the core member. An armature shaft extends from the central cavity. A clutch arrangement is positioned in the central cavity. The clutch arrangement is configured to releasably couple the core member and the armature shaft. | 12-12-2013 |
| 20140096642 | STARTER MOTOR - Embodiments of the invention provide a starter comprising a motor comprising a drive shaft, a pinion, and a clutch. In some embodiments, the starter includes a planetary gear coupled with the clutch. Some embodiments include a pinion speed sensor assembly configured and arranged to provide a signal related to the rotational speed of the pinion based upon a speed of a component of the starter that is coupled to the pinion. Some embodiments of the starter include a pinion rotational speed sensor located within the drive-end region of the starter, and configured and arranged for direct or indirect monitoring of the pinion. Some embodiments include a sensor that is configured and arranged to monitor one or more components of the clutch assembly, the drive-shaft, the pinion, the output shaft, or a planetary gear. The speed sensor can be a magnetic-field flux sensor assembly or an optical sensor assembly. | 04-10-2014 |
| 20140102253 | DRIVE TRAIN OF A MOTOR VEHICLE HAVING AN INTERNAL COMBUSTION ENGINE AND A STARTER GENERATOR - A drive train ( | 04-17-2014 |
| 20140137701 | DRIVE TRAIN OF A MOTOR VEHICLE HAVING AN INTERNAL COMBUSTION ENGINE AND A STARTER GENERATOR - A drive train ( | 05-22-2014 |
| 20140202283 | VEHICLE STARTER AND OVERLOAD-PROTECTION AND DAMPER DEVICE - An overload-protection and damper device for a vehicle starter is disclosed, the starter comprising an electric motor and a planetary-gear type speed reducing mechanism coupled with an output shaft of the electric motor. The overload-protection and damper device comprises a ring gear of the speed reducing mechanism, the ring gear having an outer circumference of a frusto-conical shape and defining an axial direction, a holder ring for receiving the ring gear therein, the holder ring having an inner circumference of a frusta-conical shape, with the outer circumference having a cone angle which is substantially equal to that of the inner circumference, and an elastic element applying an axial pushing force to the ring gear towards the holder ring so that the outer circumference biases against the inner circumference, forming a frictional fit therebetween. An increased maximum output torque can be provided by a simple structure. | 07-24-2014 |
| 20140326106 | Starter - A starter ( | 11-06-2014 |
| 20140338498 | Torque Transmission Device - A torque transmission device for starting an internal combustion engine using a permanently engaged starter motor for a start-stop system. An annular gear connected with the starter motor includes a bearing for decoupling the starter motor from the engine based upon the rotational speed difference between the internal combustion engine and the starter motor. The device includes a freewheel for the speed-controlled coupling of the starter motor to the internal combustion engine so that torque is transmitted between the annular gear and the engine crankshaft. An annular gear carrier is arranged between the annular gear and the freewheel. The bearing and the freewheel are arranged radially relative to each other so that at least the freewheel and the bearing are in communication with an oil chamber of the engine. First and second seal elements are provided for sealing the engine oil chamber of the internal combustion engine. | 11-20-2014 |
| 20140352492 | Hybrid Electric Vehicle Engine Starting with a Preloaded Damper Spring - A method for starting an engine includes preloading a spring of a torsion damper by transmitting torque having a magnitude less than engine cranking torque from an electric motor through a clutch to the spring, before cranking the engine, increasing a torque capacity of the clutch, and using the electric motor to crank the engine in response to a command to start the engine. | 12-04-2014 |
| 20140373676 | ENGINE CRANKING TORQUE REFERENCED TO AN ENGINE STOP POSITION - A method for restarting a vehicle engine that is stopped at a known crank angle includes actuating a clutch located in a torque path between a starting motor and the engine with desired pressure related to the known crank angle during the restart, and using the starting motor to drive the engine during the restart. | 12-25-2014 |
| 20150013495 | Torque Transmission Mechanism - A torque transmission mechanism for an internal combustion engine, adapted to transmit a starting torque from a starter motor to a crankshaft of the internal combustion engine. A ring gear of the mechanism transmits the starting torque, and a one-way clutch (including an inner ring and an outer ring) disposed between the ring gear and the crankshaft. The ring gear comprises lubrication holes allowing lubricant to transfer from the internal combustion engine towards the one-way clutch. The torque transmission mechanism comprising at least one sealing element adapted to prevent lubricant from passing between an outer surface of the one-way clutch outer ring and a ring gear inner surface. The one-way clutch outer ring comprises a chamfered surface inclined with respect to a central axis of the mechanism and diverging respective to the central axis of the mechanism from the lubrication holes of the ring gear towards the sealing element. | 01-15-2015 |
| 20150020645 | STARTER UNIT FOR A MOBILE DEVICE WITH AN INTERNAL COMBUSTION ENGINE - The starter unit comprising a starter shaft, a transmission, a clutch and a spring accumulator. The starter shaft is mounted in a longitudinally displaceable manner. The spring accumulator is adapted to act on the starter shaft for causing a rotational movement of the starter shaft. The starter shaft is arranged and adapted to be brought from a disengaged idle position into an engaged starter position cooperating with a clutch. The starter shaft is arranged such that it is mounted in a torque proof manner in the disengaged idle position and is rotatably mounted in the engaged starter position. The transmission is arranged and adapted to couple, on its output side, to the spring accumulator for at least partial charging thereof. The clutch is arranged and adapted to transmit, when the starter shaft is engaged, a rotational movement of the starter shaft caused by the spring accumulator to an engine shaft of the internal combustion engine in order to cause rotation thereof. In this starter unit, the starter shaft is arranged and adapted to be brought from the disengaged idle position into the engaged starter position by means of a longitudinal movement to be applied manually. For manual engagement in the starter position, the starter shaft comprises a push button which is rotatably accommodated at an end of the starter shaft facing away from the clutch. Thus, the potential energy stored in the spring accumulator can be provided for starting the internal combustion engine by pressing the button on the starter shaft. By pressing the button, the starter shaft is displaced, for example in its longitudinal direction, and is engaged in the engaged starter position in the clutch. | 01-22-2015 |
| 20150053047 | Engine Starter Inertia Drive - The inertia drive consists of a clutch subassembly including an input head shaft, a clutch plate stack, six clutch springs, and a clutch housing; and a screw shaft/pinion subassembly including a screw shaft, a pinion and a stop nut. Spline engagements and snap rings are used to couple the clutch housing and stop nut to the screw shaft. The use of splined engagements and snap rings eliminates the need for stop nuts to be threaded onto the screw shaft, reducing manufacturing cost and increasing durability. The use of splined engagements for coupling the screw shaft to the clutch housing and the stop nut to the screw shaft also allows both the clutch housing and stop nuts to be radially positioned on the screw shaft with incremental adjustability to selectively orientate the pinion relative to both the clutch housing and the stop nut. | 02-26-2015 |
| 20150096410 | AIRCRAFT STARTER MOTOR ASSEMBLY - An aircraft starter motor assembly for starting an aircraft engine is provided, and includes a DC motor, a planetary gearset, a ring gear clutch, and a starter adapter. The sun gear from the gearset is mounted to the motor output shaft. The ring gear clutch is used to rotationally fix the ring gear or to permit the ring gear to freewheel. The starter adapter including a worm, a spring, a worm gear, a wrap spring clutch and an output shaft. The worm drives the worm gear, which drives the output shaft via the wrap spring clutch. By using the ring gear clutch to let the ring gear freewheel, the wrap spring clutch can more easily unwind and disengage from the output shaft after the engine has been started. | 04-09-2015 |
| 20150114177 | STARTER AND ENGAGING DEVICE THEREOF - An engaging device and a starter comprising the engaging device, the starter comprises an electric motor, a speed reducer connected with the electric motor, an overrunning clutch comprising a driving piece connected with the speed reducer and a driven piece, and an engaging device with a main shaft connected with the driven piece of the overrunning clutch. A quick engagement may be achieved and a certain initial engagement depth is guaranteed. During the engaging process, the pinion may mesh into a ring gear in its own initiative, reducing the effect of teeth milling phenomenon on the ring gear to a maximum extent. | 04-30-2015 |
| 20150300310 | FRICTION STARTER DRIVE UNIT FOR MESHING WITH A STARTER RING GEAR OF A HEAT ENGINE, AND CORRESPONDING HEAT ENGINE STARTER - A friction starter drive unit comprises a drive pinion for meshing with a starter ring gear. A drive element and a friction clutch are between the drive element and the drive pinion. The friction clutch has a reaction element rotatably fixed to the drive pinion and a pressure element solidly connected to the drive element. The drive element moves relative to the reaction element between uncoupled and coupled positions, and a resilient means biases the reaction element and the drive element toward the uncoupled position. A retaining washer is rotatably fixed to the reaction plate or the drive element. When the retaining washer is rotatably linked to the reaction plate, the resilient means is positioned between the reaction plate and the retaining washer, and, when the retaining washer is rotatably linked to the drive element, the resilient means is positioned between the drive element and the retaining washer. | 10-22-2015 |
| 20080196544 | Starter having excessive-torque-absorbing device - A starter for cranking an internal combustion engine includes a device for absorbing a rotational torque exceeding a predetermined level. In this device, a laminated body composed of fixed disks and the rotatable disks is used. A frictional force in the laminated body is preset by a spring member pressing the laminated body in the laminated direction. To avoid concentration of the pressing force to a position where the spring force is imposed, a certain gap is formed between the spring member and the laminated body. To give a proper surface hardness to an internal gear portion of the rotatable disk and to give an abrasion-resistive property to a portion contacting the fixed disk, the rotatable disk is subjected to soft nitriding treatment. Thus, a stable frictional force is secured in the laminated body, and a long life of the excessive-torque-absorbing device is realized. | 08-21-2008 |
| 20080229879 | Starter - A starter that includes a motor portion that includes a motor shaft; a deceleration mechanism portion that is integrated with the motor portion, the deceleration mechanism portion includes a planetary gear that revolves around the motor shaft; and an output shaft that rotates integrally with a revolution of the planetary gear, wherein a bracket of the deceleration mechanism portion, in which a ring-shaped gear is formed at an inner circumferential surface so as to mesh with the planetary gear, is integrated with a casing of the motor portion by an intermediate bracket. | 09-25-2008 |
| 20090007722 | Speed reduction type starter for engines - The speed reduction type starter for engines comprises the engaging part | 01-08-2009 |
| 20090038436 | Starter motor - [PROBLEMS] To provide a starter motor enabling the easy and accurate aligning of holes when an idle shaft is mounted. | 02-12-2009 |
| 20090133532 | Starter device for starting internal combustion engines - The invention relates to a starter device ( | 05-28-2009 |
| 20090293670 | Electric Starting Device for an Internal Combustion Engine - The invention proposes an electric starting device for an internal combustion engine, having a starter motor ( | 12-03-2009 |
| 20100269631 | STARTER FOR VEHICLES - A starter for starting an engine in a vehicle is disclosed. The starter includes a motor and an output shaft that rotates by receiving torque from the motor. The starter also includes a pinion movable body that includes a pinion for transmitting the torque of the motor to a ring gear of the engine. The pinion movable body is provided on an outer circumference of the output shaft integrally with the pinion in a manner allowing movement along an axial direction thereof. The pinion is pushed towards the ring gear by a pinion-pushing means. A motor current-supply means turns ON and OFF energizing current flowing to the motor. A shock absorbing device is disposed on a torque transmitting path transmitting the torque of the motor to the pinion. | 10-28-2010 |
| 20110094333 | Motor vehicle starter with planetary gearset - The motor vehicle starter is provided with a casing ( | 04-28-2011 |
| 20120017723 | PLANET SHAFT RETENTION IN PLANETARY GEAR SYSTEM - A planet shaft for supporting a planet gear has a supporting portion extending along a central axis and having a first outer diameter. A flange is formed at one end of the supporting portion, which has a smaller section formed about a portion of a circumference around the central axis, and an enlarged portion extending away from the central axis for a greater distance than the smaller portion. A hole to receive a lock member is formed in the enlarged portion. A planetary gear assembly including such a planet shaft is disclosed as is an air turbine starter including the planetary gear system. Further, a method of installing a planet gear and planet shaft is also disclosed and claimed. | 01-26-2012 |
| 20120247270 | STARTER - A starter includes a motor section; an output shaft which rotates with receiving a rotational force of the motor section; a gear mechanism which transmits the rotational force of the output shaft to a ring gear of an engine; and a switch unit which performs electrical connection and disconnection to the motor section. Thus, the output shaft, the gear mechanism and the switch unit are accommodated in a housing, and a groove section for weakening the stiffness of the housing is formed in housing at a position which avoids a position where the switch unit is arranged. | 10-04-2012 |
| 20120312123 | STARTER FOR ENGINE - A starter includes a motor, a speed reducer, a pinion that transmits the drive torque of the motor to an engine ring gear, a partition wall that separates between the motor and the speed reducer, a pinion driving solenoid that pushes out the pinion to the ring gear side, and a motor energizing switch that opens and closes an electric point of contact. The starter is able to control independently operation of the pinion drive solenoid and operation of the motor energizing switch, the starter further includes a rotation detector disposed in a motor side inner space separated by the partition wall. | 12-13-2012 |
| 20130014610 | STARTING DEVICEAANM Bores; JavierAACI Vaihingen-KleinglattbachAACO DEAAGP Bores; Javier Vaihingen-Kleinglattbach DEAANM Hartmann; SvenAACI StuttgartAACO DEAAGP Hartmann; Sven Stuttgart DEAANM Frueh; VerenaAACI StuttgartAACO DEAAGP Frueh; Verena Stuttgart DE - The invention relates to a starting device ( | 01-17-2013 |
| 20130019712 | ENGINE START CONTROL DEVICE OF HYBRID VEHICLE - In an engine start control device of a hybrid vehicle including a power dividing mechanism which has a sun roller, a carrier, and a first disc with which a rotating shaft of a first motor/generator, an output shaft of an engine, and an output shaft of a second motor/generator are coupled, respectively and by which differential rotating operations between the sun roller, the carrier, and the first disc are controlled using an alignment chart on which rotation speeds of the sun roller, the carrier, and the first disc are disposed in the sequence of the sun roller, the carrier, the first disc and shown by straight lines. | 01-24-2013 |
| 20130025407 | STARTER WITH COMPACT STRUCTURE - An electromagnetic switch is disclosed as having an electromagnetic switch, operative to open or close a main contact of a motor circuit, and a solenoid having a function to push a pinion gear to a position away from a motor. The electromagnetic switch and the solenoid are placed in series in a unitary structure such that the electromagnetic switch and the solenoid have a switch case and a solenoid case both of which are integrally formed with each other to be contiguous in an axial direction. | 01-31-2013 |
| 20130061716 | VEHICULAR STARTER RING GEAR - A vehicular starter ring gear in the form of an annular member which has external teeth and which is welded at a plurality of positions to a disc member rotated with an engine, such that the vehicular starter ring gear is fitted on an outer circumferential surface of the disc member, so that the vehicular starter ring gear is rotated to start the engine, by a starter motor having a pinion gear engageable with the external teeth, includes: a thermal resistor portion provided in a radial portion between an inner circumferential surface and peak surfaces of the external teeth, and radially outwardly of at least welding portions bridging the vehicular starter ring gear and the disc member, the thermal resistor portion restraining conduction of a heat generated during an operation to form the welding portions, to the external teeth. | 03-14-2013 |
| 20130139645 | Starter Motor with Torque Limiter - A starter motor includes a housing, a planetary gear assembly, and a plurality of detents. The housing defines an interior space. The planetary gear assembly is at least partially positioned in the interior space and includes a plurality of planetary gear components. The planetary gear components include a sun gear, an annulus, a plurality of planet gears, and a planetary gear carrier. The plurality of detents is configured to releasably retain a rotational position of a component of the planetary gear components relative to the housing. Each of the detents includes a biasing member and a bearing member. | 06-06-2013 |
| 20130233128 | ENGINE STARTER - The engine starter includes: a starter motor; a pinion unit ( | 09-12-2013 |
| 20130276579 | ENGINE STARTING DEVICE - Since a pinion gear unit which rotates according to the rotation of an output rotation shaft driven by the motor unit, a pushing mechanism which moves the pinion gear unit towards an engagement location of the pinion gear and an engine starting gear, and a bracket which includes a bracket main body unit which supports the motor unit and the pushing mechanism and a nose unit which extends from the bracket main body unit to a side opposite to the motor unit and rotatably bears a tip portion of the output rotation shaft on a side opposite to the motor unit, and which is attached to an engine side are included, a first stopper unit which restricts the movement of the rotation member to the direction of the engine starting gear is provided on the output rotation shaft, a second stopper unit which restricts the movement of the pinion gears to the direction of the engine starting gear by pushing and biasing of the elastic member is provided on the rotation member, and positioning the first stopper unit is positioned on a side opposite to the engine starting gear with respect to the second stopper unit, it is possible to shorten the shaft length of the rotation member and to shorten the entire length of the engine starting device. | 10-24-2013 |
| 20140053684 | VEHICLE ENGINE STARTING APPARATUS - Vehicle engine starting apparatus of automatically restarting an engine by quickly responding to a subsequent engine restart request even if engagement of a pinion gear with a ring gear is failed in the process of a stop of the engine. Pinion gear is displaced such that the pinion gear is engaged with the ring gear at a timing (when rotation speed of the pinion gear and rotation speed of the engine are nearly synchronized with each other with a signal from a control device when a predetermined condition is met. Where an engagement sensor has transmitted a signal “H” indicating engagement failure, when restart of the engine becomes necessary, the pinion gear is displaced toward a ring gear side by the control device. | 02-27-2014 |
| 20140260795 | STARTER WITH SPEED SENSOR ASSEMBLY - A starter assembly adapted for use with an engine having a flywheel and electronic control unit. The starter includes a motor, magnetic field source and a pinion gear engageable with the flywheel. An internal power train transmits torque from the armature to the pinion gear and includes a gear set dividing the internal power train into a first segment with the armature and a second segment with the pinion gear. During operation the first segment has a faster rotational speed than the second segment. A speed sensor senses the speed of the first segment and communicates it to the electronic control unit. The starter assembly can be used in a vehicle with an automatic start-stop function and facilitates the synchronizing of the pinion gear and flywheel speeds when restarting the engine. The speed sensor can take various forms and is advantageously supported on the field frame assembly proximate the commutator. | 09-18-2014 |
| 20140260796 | STARTER FOR AN INTERNAL COMBUSTION ENGINE - A starter for an internal combustion engine comprises a starter motor and a starter pinion which can be displaced transversely to the longitudinal axis of the motor. The starter pinion is rotatably mounted in an eccentric component which is connected in a rotationally fixed manner to a rotatable transmission component of a transmission that is disposed between the starter motor and the starter pinion. | 09-18-2014 |
| 20140366686 | STARTER - A starter includes a motor unit, a drive shaft configured to receive a rotational force of the motor unit and rotate, a transmission pinion gear installed on the drive shaft, an idle shaft extending in a direction parallel to the drive shaft, an idle gear installed on the idle shaft and configured to mesh with the transmission pinion gear, a driving pinion gear installed on the idle shaft and configured to mesh with a ring gear of an engine, a gear cover configured to rotatably support portions of the drive shaft and the idle shaft and accommodate the transmission pinion gear and the idle gear, and a bracket section installed between the motor unit and the gear cover and configured to rotatably support a first end in an axial direction of the idle shaft. | 12-18-2014 |
| 20150096411 | AIRCRAFT STARTER MOTOR ASSEMBLY - An aircraft starter motor assembly for starting an aircraft engine is provided, and includes a DC motor, a planetary gearset, a ring gear clutch, and a starter adapter. The sun gear from the gearset is mounted to the motor output shaft. The ring gear clutch is used to rotationally fix the ring gear or to permit the ring gear to freewheel. The starter adapter includes a worm, a spring, a worm gear, a wrap spring clutch and an output shaft. The worm drives the worm gear, which drives the output shaft via the wrap spring clutch. By using the ring gear clutch to let the ring gear freewheel, the wrap spring clutch can more easily unwind and disengage from the output shaft after the engine has been started. | 04-09-2015 |
| 20100251851 | STARTER ADAPTED TO ABSORB ENGINE-OSCILLATION - A starter to start an engine mounted on a vehicle provides an electromagnetic solenoid to push a pinion gear towards a ring gear side, an electromagnetic switch to open and close a motor contact point. The electromagnetic solenoid and the electromagnetic switch are individually controlled by an Electronic Control Unit i.e., ECU. When an idle-stop is triggered, the ECU controls a starter relay to be closed during the ring gear is rotating whereby the pinion gear together with a clutch are pushed out to counter-motor direction by the electromagnetic solenoid. As a result, the pinion gear meshes with the ring gear that is rotating at lower rotational speed. Therefore, the inertial mass of the starter is added to the ring gear so that swinging of the engine can be suppressed. | 10-07-2010 |
| 20100251852 | 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. | 10-07-2010 |
| 20120304818 | ENGINE STARTING DEVICE AND VEHICLE INCORPORATING THE SAME - A device for starting an engine includes a starter for starting the engine and an ECU. The starter includes a pinion gear for engagement with a ring gear for cranking the engine, an actuator structured to engage the pinion gear with a ring gear, and a motor for rotating the pinion gear. The actuator and the motor can individually be controlled. The ECU has a rotation mode for driving the motor prior to drive of the actuator and an engagement mode for causing the actuator to engage the pinion gear and the ring gear with each other prior to drive of the motor. When a request to start the engine is made, the ECU switches selection between the rotation mode and the engagement mode based on a rotation speed of the engine and a reduction rate in rotation speed of the engine. | 12-06-2012 |
| 20130019711 | ENGINE CONTROL DEVICE AND CONTROL METHOD, ENGINE STARTING DEVICE, AND VEHICLE - In a vehicle including a starter for starting an engine, capable of controlling an actuator for an engagement operation of a pinion gear and a motor for rotating the pinion gear individually, an ECU drives the actuator when the rotational speed NE of the engine becomes lower than a reference rotational speed NEston, and drives the motor when a predetermined period has elapsed since the driving of the actuator is initiated. When the rotational speed exceeds reference rotational speed again during the predetermined period, the ECU delays the driving of the motor until the rotational speed becomes lower than reference rotational speed again, and a predetermined period has elapsed. | 01-24-2013 |
| 20130087015 | STARTER - In a starter, an output shaft is coaxially disposed with a rotating shaft of a motor and has male helical splines formed on its outer surface. A pinion tube has female helical splines formed on its inner surface and is fitted on the output shaft with the female helical splines in mesh with the male helical splines. A pinion is provided on a non-motor-side end portion of the pinion tube so as to rotate with the pinion tube. A shift lever is configured to shift both the pinion tube and the pinion relative to the output shaft and thereby bring the pinion into mesh with a ring gear of an engine. Further, there is provided means for restricting relative rotation between the pinion tube and the output shaft when a one-way clutch is in an overrun state where the clutch inhibits torque transmission from the output shaft to the motor. | 04-11-2013 |
| 20130087016 | STARTER - In a starter, an output shaft is coaxially disposed with a rotating shaft of a motor. A pinion tube is helical-spline-fitted on the output shaft and has a pinion mounted on a non-motor-side end portion thereof. A shift lever is driven by an electromagnetic solenoid to shift both the pinion tube and the pinion relative to the output shaft in a direction away from the motor and thereby bring the pinion into mesh with a ring gear of an engine. A one-way clutch includes an outer arranged so as to be rotated by torque generated by the motor, an inner integrally formed with a motor-side end portion of the output shaft, and a plurality of intermediate members that are arranged between the outer and the inner so as to allow torque transmission from the outer to the inner and inhibit torque transmission from the inner to the outer. | 04-11-2013 |
| 20130192419 | ENGINE STARTING DEVICE - An engine starting device includes: a starter motor; a pinion unit coupled to an output-shaft side of the starter motor by a spline, for sliding in an axial direction; and a ring gear which meshes with a pinion gear of the pinion unit pushed out by a push-out mechanism, and receives a transmission of a rotation force of the starter motor, thereby starting an engine. The pinion unit includes, on all teeth on distal end portions in a meshing axial direction of the pinion gear meshing with the ring gear, synchronization surfaces which are a pair of surfaces parallel with the meshing axial direction, and have a thickness thinner than a tooth thickness of the pinion gear. | 08-01-2013 |
| 20130276578 | ENGINE STARTING DEVICE - The engine starting device includes a starter motor, a pinion portion, a pushing mechanism for pushing a pinion gear of the pinion portion to a position at which the pinion gear comes into meshing engagement with a ring gear, and an integrated switch for operating a motor-energization switch to pull a plunger after the pinion gear is pushed, by configuring a switch for actuating the pushing mechanism and turning ON/OFF an energization current to the starter motor by a single plunger coil. When a restart request is issued after an engine stop is requested and therefore the integrated switch is placed in an ON state, operation timing of the pushing mechanism and coil-operation timing of the plunger coil are set so that the starter motor avoids operating until the pinion gear comes into contact or meshing engagement with the ring gear. | 10-24-2013 |
| 20130291680 | ENGINE STARTING DEVICE - It is possible to obtain an engine starting device in which, at the time of initial engagement of a first pinion gear and an engine starting gear, in a case where the first pinion gear collides with the engine starting gear, the first pinion gear is inclined with respect to the second pinion gear, a void having a predetermined size for expanding the inclined state is formed between a surface of an end surface portion of the first pinion gear on the side of an end surface portion of the second pinion gear, and a surface of an end surface portion of the second pinion gear on the side of the end surface portion of the first pinion gear, even in a case where any one of the rotation speed of the engine starting gear and the rotation speed of the pinion gear is larger than the other, rotation synchronization of the engine starting gear and the pinion gear and phase focusing of the teeth between the engine starting gear and the pinion gear is further rapidly and further reliably performed at the time when the engine starting gear and the pinion gear is abutted to each other, noise is decreased, and shortening of the life due to abrasion can be suppressed. | 11-07-2013 |
| 20130291681 | ENGINE STARTING DEVICE - A pinion gear unit includes a rotation member which rotates according to the rotation of a output rotation shaft, a first pinion gear which is fit to the rotation member through a first serration unit, rotates with the rotation member according to the rotation of the output rotation shaft, and moves with the rotation member if the pinion gear unit moves towards an engagement location by a pushing mechanism, to be initially engaged with an engine starting gear, and a second pinion gear which is fit to the rotation member to be adjacent to the first pinion gear through a second serration unit, rotates with the rotation member according to the rotation of the output rotation shaft, and moves with the rotation member if the pinion gear unit further moves towards the engagement location, to be engaged with the engine starting gear later than the first pinion gear, in a state where the first pinion gear is engaged with the engine starting gear, and the fitting is performed by the first and second serration units so that phases of teeth of the first pinion gear and teeth of the second pinion gear in a circumferential direction correspond with each other. | 11-07-2013 |
| 20140041484 | STARTER PINION ENGAGEMENT TESTER - A method and apparatus for testing a starter assembly for an engine is provided. A test apparatus may include a controller operative to route power from a power supply to a tested starter assembly. The test apparatus may analyze a condition of the tested starter assembly based on monitored signals at one or more terminals of the starter assembly. A testing method may include monitoring an operating condition of the tested starter assembly during application of a variable voltage and/or current to an input of the starter assembly. | 02-13-2014 |
| 20140060247 | ENGINE STARTING DEVICE - The engine starting device includes a pinion unit which is spline-coupled to an output shaft side of a starter motor to slide in an axial direction, the pinion unit including a one-way clutch which spins for rotation in the same direction as that of rotation of the engine, and a pushing mechanism for moving the pinion unit to a position in which the pinion unit comes into meshing engagement with a ring gear. A pinion gear of the pinion unit is movable in the axial direction as a single body, and includes a chamfered portion having a curved surface along a tooth surface on a non-torque transmitting surface side and a large length in the axial direction, the chamfered portion being provided to a ring-gear side distal end portion of the tooth surface on the non-torque transmitting surface side. | 03-06-2014 |
| 20140260792 | STARTER - Some embodiments include a starter that includes at least one solenoid coil winding that is integrated with a pinion and plunger assembly. Some embodiments include a starter with an output shaft including a rotational axis coupled to a pinion including pinion teeth, and at least one solenoid coil winding at least partially circumferentially surrounding the pinion, the pinion teeth and the output shaft. In some embodiments, the solenoid coil winding is capable of providing a magnetic field flux within the pinion, the output shaft or both. Some embodiments provide a starter with a pinion that can move bi-directionally with respect to the rotational axis of the output shaft. In other embodiments, the output shaft includes splines and the pinion includes a slot with spline contours. In some further embodiments, a starter control system includes a starter that is capable of being in communication with an electronic control unit. | 09-18-2014 |
| 20140260793 | STARTER MOTOR FOR A MOTOR VEHICLE - A starter motor includes a motor portion having a stationary field, an armature rotatable relative to the stationary field, an armature shaft coupled to the armature, and a pinion gear slideably disposed relative to the armature shaft and rotatably fixed relative to the armature. The starter motor also includes a solenoid mounted to the motor portion. The solenoid includes a plunger mechanically linked with the pinion gear. The solenoid is configured and disposed to cause the pinion gear to engage with a flywheel as the armature shaft reaches a speed between about 150 RPM and about 250 RPM. | 09-18-2014 |
| 20140260794 | VARIABLE FLUX STARTER AND SWITCH SYSTEM - A variable flux starter and switch system including a starter motor with motor field winding first and second portions, a control unit capable of selectively issuing starter activation and desired flux level signals, a motor energizing switch moveable between open and closed positions consequent to issuance of the starter activation signal, and a regulating device that transitions between default and activated operational states consequent to issuance of the flux level signal. The regulating device has a moveable blocking member and relatively moveable contact members, and in one of the default and activated operational states, electrical contact between the contact members is permitted or prevented by the blocking member. Current through the closed motor energizing switch substantially bypasses a motor field winding portion when electrical contact between the contact members is permitted, and is conducted through both portions when prevented. Also, a method for varying starter motor flux levels. | 09-18-2014 |
