EP2239456A1 - Anlassvorrichtung für Verbrennungsmotor, insbesondere von Kraftfahrzeugen - Google Patents

Anlassvorrichtung für Verbrennungsmotor, insbesondere von Kraftfahrzeugen Download PDF

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Publication number
EP2239456A1
EP2239456A1 EP10159086A EP10159086A EP2239456A1 EP 2239456 A1 EP2239456 A1 EP 2239456A1 EP 10159086 A EP10159086 A EP 10159086A EP 10159086 A EP10159086 A EP 10159086A EP 2239456 A1 EP2239456 A1 EP 2239456A1
Authority
EP
European Patent Office
Prior art keywords
unidirectional
launcher
tooth
combustion engine
contactor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10159086A
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English (en)
French (fr)
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EP2239456B1 (de
Inventor
Jean-Sébastien Metral
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Equipements Electriques Moteur SAS
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Valeo Equipements Electriques Moteur SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Equipements Electriques Moteur SAS filed Critical Valeo Equipements Electriques Moteur SAS
Publication of EP2239456A1 publication Critical patent/EP2239456A1/de
Application granted granted Critical
Publication of EP2239456B1 publication Critical patent/EP2239456B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/067—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement the starter comprising an electro-magnetically actuated lever
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
    • H01H51/065—Relays having a pair of normally open contacts rigidly fixed to a magnetic core movable along the axis of a solenoid, e.g. relays for starting automobiles

Definitions

  • the invention relates in particular to a starting device for an internal combustion engine, especially a motor vehicle.
  • Starters comprising an electromagnetic contactor comprising electrical windings of call and holding able to put in motion a mobile core when they are supplied with electric current.
  • This mobile core is able, by means of a lever, to actuate a launcher arranged to start a combustion engine, by means of a pinion of this launcher and a crown of this engine.
  • These starters further comprise an electric motor arranged to rotate the starter. When the pinion is sufficiently engaged in the ring, the contactor closes a power contact and thus feeds the electric motor.
  • the rotational movement of a shaft of the electric motor is transmitted to the launcher by helical splines which allow, by the effect of screwing, to engage the launcher in a working position when the teeth of the pinion are engaged in the teeth of the crown .
  • the rotational movement of the launcher is transmitted to the pinion which drives the combustion engine until it starts.
  • a compression spring called a tooth against tooth spring, is interposed between the lever and the movable core, or alternatively between the lever and the launcher.
  • This spring allows the mobile core to continue its race until the closing of the power contact to power the electric motor.
  • the pinion then starts to rotate at a slow speed because it is the beginning of the revving of the electric motor.
  • the launcher is propelled into the crown under the action of the previously compressed spring during the race of the mobile core, then the pinion continues its course in the crown under the action of this spring and screwing on the flutes.
  • the axial distance traveled by the launcher before it is rotated by the action of the electric motor is called the kinematics of the starter.
  • the value of the kinematics may be greater than or equal to the maximum distance between the pinion and the crown in order to be sure that the pinion will not turn again when it encounters the crown.
  • the electric motor starts rotating even before the sprocket of the thrower has reached the crown.
  • the pinion comes into contact with the crown, the pinion already rotates at a high speed, against the crown, without entering it.
  • the pinion is generally harder than the crown, and acts as a machining tool by removing crown particles with each tooth pass. This phenomenon, called milling, destroys very quickly the teeth and puts the starter out of use.
  • the risk is all the more important that the mass of the launcher is important, which is particularly the case of outgoing sprocket starters.
  • a first solution is to harden the tooth spring against tooth.
  • this solution causes an increase in a starter conjunction value (in which case a voltage drop due to the peak current of the electric motor and a short-circuit of a winding of this contactor can induce a lack of strength to allow the mobile core to come to the magnetic bonding), while this value is limited during the design of the starter, in particular because of the performance of the battery.
  • a second solution is to seal the interface between the mobile core and a winding support, and an interface between a contact axis and a fixed core. In this way, as the mobile core recedes, the volume of air trapped between the movable core, the support, the fixed core and the contact axis, escapes slowly, braking the moving core in its displacement.
  • This second solution has another drawback when the user of the vehicle releases the ignition key of the vehicle, because the retention effect of the mobile core is reversible.
  • the key is released, that is to say when the combustion engine has started, the pinion is ejected from the crown thanks to the splines, and the air is hard to enter the contactor.
  • the movable core is recalled by the depression in the contactor and the pinion starts against the crown without entering. This causes a noise, which can be annoying, as well as a wear of the crown since the engine then started.
  • This second solution has another disadvantage when closing the power contact to power the electric motor.
  • the force due to the compressed air on the moving core is an additional component that can cause reopening of the contact, accentuating the wear of this contact.
  • the invention aims in particular to propose alternatives to this second solution and to solve the aforementioned drawbacks in a simple manner.
  • these unidirectional retarder means are arranged not to slow the displacement along the longitudinal axis of the moving assembly when the launcher is ejected from the ring when the combustion engine has started.
  • the unidirectional retarder means may advantageously be provided to prevent the moving assembly from causing electric power to the electric motor as long as the launcher is in the tooth against tooth position on the driving ring of the combustion engine.
  • the invention makes it possible in particular to reduce the torque peak as long as the launcher is in the tooth against tooth position on the ring gear, and thus to eliminate the risk of milling.
  • the invention may also make it possible to eliminate re-openings by return of the movable core which may appear in the case of a tooth against tooth position at the time of the conjunction (in which case a voltage drop due to the peak current of the motor electrical and short-circuiting of a contact winding of this contactor can induce a lack of strength to allow the movable core to come to magnetic bonding).
  • the peak current is limited in the electric motor, which reduces the electrical wear of brushes present in the electric motor.
  • the limitation of the torque peak makes it possible to reduce the mechanical wear of the pinion against the ring gear.
  • the contactor may comprise a mobile assembly arranged to move the launcher by means of a pivoting fork, the mobile assembly advantageously comprising a movable core and an actuating element mounted movable relative to said movable core against the force exerted by an elastic return element, in particular a spring.
  • At least one of the mobile core and the actuating element can be arranged to be applied against a control rod, in particular integral with an electrical contact element. , so as to push it to cause the electrical power supply of the electric motor.
  • At least one unidirectional retarding means can be arranged in such a way that the control rod can bear against this unidirectional retarder means in order to slow the displacement of this control rod, and thus to slow down the movement of the assembly.
  • mobile in particular at least one of the mobile core and the actuating element.
  • At least one of the unidirectional retarder means can be arranged at least partially in the contactor.
  • At least one unidirectional retarder can be arranged at least partially in a cover of the contactor, in particular in a cavity of this cover.
  • At least one unidirectional retarder means may be arranged at least partially within the movable assembly, particularly in the movable core around the actuating element.
  • At least one unidirectional retarder means may comprise at least one cylinder, in particular hydraulic or pneumatic.
  • At least one unidirectional retarder means may comprise at least one elastomer piece capable of braking the moving assembly in particular by friction of this elastomeric piece against a wall of the device.
  • a displacement of the elastomeric piece may cause an increase in the internal pressure of the device, in particular the bonnet cavity in which this part may be at least partially inserted, causing swelling of the elastomeric piece and thus its friction against a wall of the device, in particular an inner wall of the hood cavity.
  • the elastomer piece may have the general shape of a cylinder having a substantially thin longitudinal cylindrical wall.
  • This cylindrical wall may for example have a thickness of a few tenths of a millimeter.
  • the elastomer piece may comprise an end forming a stop for the control rod.
  • This end can, if desired, be in the form of a solid cylinder.
  • At least one unidirectional retarder means may be formed of an incompressible fluid, especially grease.
  • the incompressible fluid is incorporated in a sealed space of the device.
  • This sealed space may for example be created in the moving assembly, in particular inside the movable core around the actuating element.
  • the movable core may comprise at least one seal capable of clogging at least one of its ends.
  • This seal may for example be arranged around the actuating element.
  • the movable core may comprise at least one plate, in particular crimped, capable of clogging at least one of its ends.
  • This plate can, if desired, be circular and planar.
  • this sealed space may have a partially filled volume of grease and air to ensure movement of the movable core relative to the actuating member.
  • the amount of air is advantageously low relative to the amount of grease so as not to induce excessive depression when the tooth against tooth spring is compressed, especially just before the launcher is ejected from the drive ring. when the combustion engine has started.
  • the grease may be in the movable core around the actuating member on the tooth-to-tooth spring side. As the movable core moves back, the spring is compressed, the volume in front of a shoulder formed on the actuating member decreases, forcing the fat to partially flow behind this shoulder. This flow of the grease can slow the movement of the moving assembly.
  • an incompressible fluid as a unidirectional retarder means reduces the stiffness of the tooth against tooth spring, compared to a known starter. Indeed, the force exerted on the fluid is constant and proportional to the speed, which improves the value of conjunction.
  • At least one unidirectional retarder means may comprise a system acting by friction.
  • the invention also relates to a rotating electrical machine, including a starter or a reversible alternator of a motor vehicle, which may comprise a device as described above.
  • FIG. 1 a starting device 1 for an internal combustion engine of a motor vehicle.
  • This device 1 comprises, firstly, a rotor 2, also called armature, rotatable about an axis X, and secondly, a stator 3, also called inductor, around the rotor 2.
  • This stator 3 comprises a yoke on which are fixed one or more pole pieces 4 for the introduction of an inductor coil 5.
  • the rotor 2 comprises a rotor body 7, and an armature winding 8 wound in notches of the rotor body 7.
  • This armature winding 8 forms, on either side of the rotor body 7, a front bun 9 and a rear bun 10.
  • the rotor 2 is provided, at the rear, with a collector 12 comprising a plurality of contact pieces electrically connected to the conductive elements, formed in the example in question by wires, of the armature winding 8.
  • a group of brushes 13 and 14 is provided for the power supply of the armature winding 8, one of the brushes 13 being connected to the ground of the device 1 and another of the brushes 14 being connected via an electrical connection element to a terminal 28 of a switch 17.
  • the brushes are for example four in number.
  • the brushes 13 and 14 rub on the collector 12 when the rotor 2 is rotating.
  • the starting device 1 further comprises a launcher 19 slidably mounted on a drive shaft 18 and drivable in rotation about the X axis by the rotor 2.
  • a gear reduction unit 20 may be interposed between the rotor 2 and the drive shaft 18, in a manner known per se.
  • the launcher 19 comprises a driving element formed by a pinion 21 and intended to engage on a drive member 33 of the combustion engine.
  • This drive member is for example a ring gear.
  • the launcher 19 further comprises a freewheel 22 and a pulley washer 23 defining between them a groove 24 for receiving the end 25 of a fork 27.
  • This fork 27 is made for example by molding a plastic material.
  • the fork 27 is actuated by the switch 17 to move the launcher 19 relative to the drive shaft 18, along the Y axis, between a first position in which the launcher 19 is disengaged from the ring gear 33, and a second position in which the launcher 19 drives the combustion engine via the pinion 21.
  • the contactor 17 comprises a terminal 29 connected via an electrical connection element, in particular a wire 30, to a power supply of the vehicle, in particular a battery 26.
  • the switch 17 comprises two switches 45 and 46 forming first and second electrical contacts.
  • the first switch 45 is connected in series with two resistors 50 between the battery 26 and the inductor coil 5 of the electric motor.
  • the inductor winding 5 can therefore be put in series with two power resistors 50.
  • the switch 45 is placed between the positive terminal 29 of the contactor 17 connected to the battery 26 and an intermediate power terminal 52 connected, in this case, to the power resistors 50.
  • the switch 46 is placed, in parallel with the switch 45, between the terminal 29 connected to the battery 26 and a full power terminal 54 to be able, in this case, to bypass the power resistors 50.
  • the power resistors 50 are arranged between the intermediate power terminals 52 and full power 54.
  • the contactor 17 is arranged so that, in a pre-rotation phase, the switch 45 is closed and the switch 46 is open in order to allow the electrical supply by the battery 26 of the induction coil 5, through the resistors of power 50 so as to reduce the peak torque.
  • the invention makes it possible to reduce the torque peak as long as the launcher 19 is in the tooth against tooth position on the ring gear 33, and thus to eliminate the risk of milling.
  • the peak current can be divided by a factor of between 1 and 3, in particular by a factor of about 2.
  • the switch 17 controls the power supply of the inductor coil 5 to cause the start of the combustion engine.
  • the contactor 17 comprises a contact element 58 and electrical contact terminals 51 to 54 for respectively defining the first and second switches 45 and 46.
  • the switch 17 further comprises a movable assembly 60 arranged to move the launcher 19 via the pivoting fork 27, the moving assembly 60 comprising an actuating element 61.
  • the actuating element 61 is provided with a rod 62 fixed at one end to the fork 27 and having at its opposite end a head 63.
  • the moving assembly 60 of the contactor 17 comprises a movable core 65, the actuating element 61 being mounted thereon, displaceable with respect to this movable core 65 against the force exerted by a coil spring 64, so-called tooth spring against tooth.
  • This spring 64 is mounted around the rod 62 of the actuating element 61 and is applied at one end against the head 63 thereof.
  • the spring 64 allows the pinion 21 to engage in the ring 33 when the pinion 21 was previously in position tooth against tooth with the ring 33.
  • the mobile core 65 is movable in the contactor 17 by the action of a magnetic field generated by a coil 41 of the contactor 17.
  • This coil 42 comprises two excitation windings, also called call and hold windings, respectively formed by a call winding 42 and a holding winding 43, as illustrated schematically in FIG. figure 2 .
  • the coil may comprise a single winding.
  • the call and hold windings 42 and 43 make it possible to generate, when each is traversed by a current, a magnetic force displacing the moving core 65 in an axial direction X, while the holding winding 43, when it is only traversed by a current, can generate a magnetic force holding the movable core 65 in position after the aforementioned displacement.
  • the electrical contact element 58 is integrally carried by a control rod 68, for example made of plastic material, and the mobile core 65 is arranged to be applied against the control rod 68 so as to push it to cause the closing of the first switch 45 and to further cause the closing of the second switch 46 when a user of the motor vehicle engages and turns the key 100, as visible to figures 2 and 3 .
  • the actuating element could also be applied against the control rod so as to push it to cause the closing of at least one of the switches.
  • the switch 17 further comprises a fixed core 72 interposed between the contact element 58 and the movable core 65, a coil spring 73, also called a return spring, allowing, at least when the contactor is at rest, apply the electrical contact element 58 against the fixed core 72 of the contactor 17.
  • the spring 73 is disposed in a plastic cover 80 of the contactor 17.
  • This spring 73 is further carried by a unidirectional retarder means 90 arranged to slow the displacement of the electrical contact element 58 by slowing the displacement of the control rod 68, as long as the pinion 21 is in the tooth against tooth position with the crown 33.
  • the unidirectional retarder means 90 may for example use a cylinder system, for example hydraulic or pneumatic, and be inserted partially into a cavity 81 made in a central part of the cover 80.
  • This jack 90 has a stepped shape for receiving the spring 73.
  • the jack 90 extends longitudinally along the X axis on either side of a bottom 82 of the cover 80, that is to say both outside the cover 80 and in an interior space 83 of this hood 80.
  • the control rod 68 carrying the contact element 58 is capable, during its displacement between the two phases, of bearing against one end of the jack 90 located in the interior space 83 of the cover 80.
  • control rod 68 has an end in substantially permanent contact with the aforementioned end of the jack 90.
  • the contact element 58 is applied against terminals 53 and 54 visible to the figure 4 , in addition to terminals 51 and 52 visible to the figure 3 .
  • the switch 17 is arranged so that the second switch 46 is in the open state as the launcher 19 is in position tooth against tooth on the drive ring 33 of the combustion engine.
  • the contact terminals 51 to 54 are arranged in the plastic cover 80 of the contactor 17, as illustrated in FIGS. Figures 3 and 4 .
  • each terminal 51 and 52 is mounted on a mobile support 92 inserted in a cavity 84 of the cover 80.
  • the mobile support 92 is arranged to allow each terminal 51 and 52 to be movable along the axis X, that is to say that it is movable relative to the cover 80 against the force exerted by a spring 93 with turns.
  • This spring 93 is mounted around an axis 94 disposed within the movable support 92 is applied at one end against it.
  • the contact element 68 comes into contact with the terminals 51 and 52 while being braked by the jack 90, then, between the two phases, continues its travel by pushing the terminals 51 and 52 being always braked by the cylinder 90, until this contact element 58 also comes into contact during the second phase with the terminals 53 and 54, which are fixed in the cover 80.
  • each of the terminals 51 and 52 has a flat lug 56 which is extended by a connection portion 57 connected to one end of one of the two resistors 50.
  • Each resistor 50 is formed of a metal cylindrical support disposed against a peripheral rim 85 of cylindrical shape of the cover 80.
  • This cylindrical metal support can be heat set with the plastic cover 80.
  • the terminal 51 is connected to a first resistor 50, itself connected to the terminal 53, and the terminal 52 is connected to a second resistor 50, itself connected to the terminal 54.
  • the electrical contact element 58 comprises an electrically conductive circular plate, which allows this plate circular to simultaneously press the terminals 51 and 53 to close the first switch 45, and simultaneously on the terminals 52 and 54 to close the second switch 46.
  • terminals 51 to 54 are respectively arranged at 90 ° to each other on the cover bottom 80, which makes it possible to ensure contact between the circular plate 58 and the four terminals 51 to 54 during the closing the second switch 46.
  • the call winding 42 of the coil 41 of the contactor 17 is short-circuited once the first and second switches 45 and 46 closed in particular to ensure the absence of reopening by recoil of the mobile core 65 .
  • the contactor 17 comprises means 95 enabling the opening of a third switch 47, these means 95 being arranged in a cavity 86 of the cover 80 made in the axial extension of the contact terminal 51, as visible in FIG. figure 2 .
  • the displacement along the X axis of the terminal 51 when pushed by the wafer 68 causes the opening of the switch 47, and thus the short circuit of the call winding 42.
  • the opening of the switch 47 is performed at the moment when the wafer 58 comes into contact with the terminals 53 and 54 causing the phase of full speed.
  • the opening of the third switch can be performed when the retarder means reaches the end of the race.
  • the wafer 58 is substantially against the fixed core 72, corresponding to the open state of the switches 45 and 46.
  • the launcher 19 is in the rest position, close to the gearbox 20.
  • the moving assembly 60 moves back slightly towards the fixed core 72 under the effect of the magnetic field exerted by the coils of the contactor 17.
  • the moving assembly is then not yet braked by the jack 90.
  • the fork 27 is applied against the freewheel 22.
  • the pinion 21 of the launcher 19 bears against tooth against tooth on the ring gear 33.
  • the gear 21 of the launcher 19 remains in the tooth against tooth position on the ring gear 33.
  • the movable core 65 moves back against the control rod 68 carrying the plate 58, which rod 68 is moved backwards by being braked by the cylinder 90. This displacement causes the closing of the first switch 45 thanks to the plate 58 which comes into operation. support on terminals 51 and 52.
  • the second switch 46 is always open.
  • the gear 21 of the launcher 19 remains in the tooth against tooth position with the ring gear 33.
  • the movable core continues to move back and push the control rod 68, still braked by the jack 90.
  • control rod 68 pushes the plate 58 as well as the terminals 51 and 52.
  • the intermediate power phase is implemented, the pinion 21 is driven slightly in rotation, which will allow it, thanks also to the grooves, to fully engage in the ring 33.
  • the pinion 21 of the launcher 19 engages in the ring gear 33 and the actuating element 61 moves back relative to the movable core 65.
  • the movable core continues to move back and push the control rod 68, still braked by the jack 90.
  • control rod 68 pushes the wafer 58 and the terminals 51 and 52 until the wafer 58 bears on the terminals 53 and 54.
  • the second switch 46 is then closed.
  • the full power phase is implemented, the pinion 21 is rotated at high speed, which will allow it, thanks to the ring 33, to start the combustion engine.
  • the actuating element 61 and the control rod 68 move back to an end position, corresponding to the end of stroke of the cylinder 90.
  • the spring 73 is further compressed.
  • the jack 90 since the jack 90 has no reversible braking effect, that is to say it only brakes the control rod 68 in the direction of movement of the control rod 68 of the mobile assembly 60 towards the bottom of the hood 80, the risks of returning the pinion 21 towards the ring gear 33, for example in the tooth against tooth position, are avoided, as well as a re-engagement of this pinion 21 in this ring gear 33.
  • the figure 6 illustrates a second embodiment of a unidirectional retarder means.
  • this means is formed by grease 110 as an incompressible fluid.
  • the grease 110 is incorporated in a sealed space 116 inside the movable core 65, around the rod 62 of the actuating element 61, and embedded with the spring 64.
  • the movable core 65 has at one end of the rod 62 attached to the fork, a seal 114 capable of plugging this end.
  • This seal 114 is introduced between the rod 62 and an inner wall of the movable core 65.
  • a flat circular plate 112 is crimped into the inner wall of the movable core 65 to prevent the grease from escaping.
  • the sealed space 116 advantageously has a volume partially filled with grease 110 and air to guarantee the displacement of the movable core 65 with respect to the rod 62.
  • the amount of air is small relative to the amount of grease 110 so as not to induce excessive depression in the movable core 65 when the launcher 19 is ejected from the drive ring 33 when the combustion engine has started .
  • the Figures 7 and 8 illustrate a third embodiment of a unidirectional retarder means.
  • this means comprises an elastomer piece 120 having a general cylinder shape and having a longitudinal cylindrical wall 124 substantially thin.
  • This wall 124 has a small thickness, for example a few tenths of millimeters.
  • the cylindrical wall 124 is inserted into a cavity 81 of the cover 80.
  • the elastomer piece 120 further comprises an end 122 partially disposed in the interior space 83 of the cover 80, this end 122 forming a stop on which the control rod 68 is able to come into abutment during its movement.
  • This end 122 has the shape of a solid cylinder connected to the longitudinal cylindrical wall 124.
  • the end 122 has, in section, a T shape, and a ring 128 is disposed around this end 122, particularly around the lower part of the T and against the upper part of this T.
  • the upper part of the T of the end 122 has a diameter substantially equal to that of the general cylinder shape of the elastomer piece 120, which extends in particular through the longitudinal cylindrical wall 124.
  • a spring 121 is further disposed in the cavity 81 of the cover 80 to return the elastomeric piece 120 to an initial position in which it does not undergo swelling of its cylindrical wall 124, when the combustion engine has started.
  • the elastomer piece may be integrally connected in translation with the control rod, and, where appropriate, it is not necessary to have a spring in the hood cavity.
  • the device may not include means for opening and closing the call circuit.
  • the device may comprise only one power supply phase of the electric motor.
  • the device may not have a pre-rotation phase, and possibly a single pair of electrical contact terminals may be necessary.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP10159086.7A 2009-04-07 2010-04-06 Anlassvorrichtung für Verbrennungsmotor, insbesondere von Kraftfahrzeugen Not-in-force EP2239456B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0952276A FR2944068B1 (fr) 2009-04-07 2009-04-07 Dispositif de demarrage pour moteur a combustion interne, notamment de vehicule automobile.

Publications (2)

Publication Number Publication Date
EP2239456A1 true EP2239456A1 (de) 2010-10-13
EP2239456B1 EP2239456B1 (de) 2016-04-06

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Application Number Title Priority Date Filing Date
EP10159086.7A Not-in-force EP2239456B1 (de) 2009-04-07 2010-04-06 Anlassvorrichtung für Verbrennungsmotor, insbesondere von Kraftfahrzeugen

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EP (1) EP2239456B1 (de)
FR (1) FR2944068B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2795883A1 (fr) * 1999-06-30 2001-01-05 Valeo Equip Electr Moteur Procede d'entrainement progressif d'un contacteur de demarreur de vehicule automobile
FR2796991A1 (fr) * 1999-07-30 2001-02-02 Valeo Equip Electr Moteur Demerreur de vehicule automobile muni d'un element elastique d'engrenement de raideur elastique non lineaire
EP1128410A2 (de) * 2000-02-23 2001-08-29 Robert Bosch Gmbh Schaltkontakt für einen Startermotor
US20080053390A1 (en) * 2006-08-29 2008-03-06 Dimitrios Rizoulis Reduced noise engine start-stop system using traditional crank device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2795883A1 (fr) * 1999-06-30 2001-01-05 Valeo Equip Electr Moteur Procede d'entrainement progressif d'un contacteur de demarreur de vehicule automobile
FR2796991A1 (fr) * 1999-07-30 2001-02-02 Valeo Equip Electr Moteur Demerreur de vehicule automobile muni d'un element elastique d'engrenement de raideur elastique non lineaire
EP1128410A2 (de) * 2000-02-23 2001-08-29 Robert Bosch Gmbh Schaltkontakt für einen Startermotor
US20080053390A1 (en) * 2006-08-29 2008-03-06 Dimitrios Rizoulis Reduced noise engine start-stop system using traditional crank device

Also Published As

Publication number Publication date
FR2944068B1 (fr) 2017-05-05
FR2944068A1 (fr) 2010-10-08
EP2239456B1 (de) 2016-04-06

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