EP0246140A1 - Anlassvorrichtung für Verbrennungsmotor - Google Patents

Anlassvorrichtung für Verbrennungsmotor Download PDF

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Publication number
EP0246140A1
EP0246140A1 EP87401016A EP87401016A EP0246140A1 EP 0246140 A1 EP0246140 A1 EP 0246140A1 EP 87401016 A EP87401016 A EP 87401016A EP 87401016 A EP87401016 A EP 87401016A EP 0246140 A1 EP0246140 A1 EP 0246140A1
Authority
EP
European Patent Office
Prior art keywords
pinion
translation
starter
rotation
sleeve
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
EP87401016A
Other languages
English (en)
French (fr)
Other versions
EP0246140B1 (de
Inventor
Huu-Can Nguyen
Jean-Charles Sarbach
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 SE
Original Assignee
Valeo SE
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 SE filed Critical Valeo SE
Publication of EP0246140A1 publication Critical patent/EP0246140A1/de
Application granted granted Critical
Publication of EP0246140B1 publication Critical patent/EP0246140B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0851—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
    • 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
    • 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
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0859—Circuits or control means specially adapted for starting of engines specially adapted to the type of the starter motor or integrated into it
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/13—Machine starters
    • Y10T74/131—Automatic

Definitions

  • the invention relates to a starting device for an internal combustion engine, a device of the type which includes: means for launching the engine, which comprise gripping means capable of being moved in translation to engage in means additional reception elements linked in rotation to the internal combustion engine, or to be released therefrom, actuator means for displacing said gripping means in translation, these actuator means comprising a rotary drive source and means for transforming a movement of rotation in a translational movement; and starter means suitable for driving the launching means in rotation, which drive the internal combustion engine when the engagement means have been engaged in the complementary reception means.
  • Such starting devices in which the actuator means comprise a rotary drive source allow, at the travel level of the engagement means for their engagement in the complementary reception means, to exert better control of the forces developed and of the races than in the case where the actuator means are constituted by a solenoid.
  • the energy consumption of actuator means comprising a rotary drive source is lower than in the case of a solenoid.
  • the gripping means are constituted by a pinion
  • the receiving means are constituted by the hollows of a toothed crown. It only happens exceptionally that the teeth of the pinion are in front of the hollow of the crown, so that the engagement is carried out, in general, under difficult mechanical conditions, with an effect of "milling" of the pinion on the crown and premature wear of these parts. It significant noise also results.
  • the starter means which generally consist of an electric motor of relatively large power have not been effectively protected until now; for example, if a user, during a start-up, maintains the starter contact for too long, the starter means can be driven in overspeed by the internal combustion engine, following a succession of ejections of the pinion of the crown and returns of the pinion meshing with said crown.
  • the object of the invention is, above all, to provide a starting device for an internal combustion engine, of the kind defined above, which meets better than hitherto the various requirements of practice and which, in particular, no longer exhibits, or to a lesser degree, the drawbacks mentioned above.
  • a starting device for an internal combustion engine is characterized in that it comprises: - test means sensitive to the relative position of the aforesaid gripping means and complementary receiving means; - Angular incrementing means adapted to rotate the gripping means relative to the receiving means of a predetermined amplitude; - And control means, sensitive to the indications provided by the test means and suitable, on the one hand, for limiting the translational movement of the gripping means when it appears that these gripping means do not occupy a correct position relative to the reception means, an angular increment then being carried out, and, on the other hand, to ensure the engagement of the engagement means in the reception means when a correct position is reached and, only then, to start up the starter means if the launch of the internal combustion engine is desired by the user.
  • the engagement of the gripping means and of the receiving means is thus controlled; this results in a significant reduction in the wear of these means and a reduction in noise.
  • control means are combined with means sensitive to the operation of the internal combustion engine and are arranged to control the engagement of the intake means and complementary reception means as soon as a stop of the operation of the internal combustion engine. is detected.
  • the means sensitive to the operation of the internal combustion engine can be formed by a sensor of the speed of rotation of this engine, the information provided by this sensor being sent to the control means.
  • control means are capable of causing a retreat of the gripping means, with respect to the receiving means if an incorrect position has been detected, then, after an angular incrementation of the gripping means, a new advance of the latter, and so on until a correct position is reached.
  • the starter means are activated by a contactor under the influence of the control means, independently of the actuator means.
  • the control means can cause the starter means to stop when the rotation speed of the internal combustion engine, detected by the sensor, is greater than a predetermined value.
  • Means for limiting the temperature of the starter means may also be provided to also cause the starter means to stop if necessary.
  • the gripping means comprise a pinion while the receiving means comprise a ring gear whose recesses, located between teeth, are suitable for receiving the teeth of the pinion;
  • the test means preferably comprise means sensitive to the coming into contact of the teeth of the pinion against the crown, during the approach movement, when the teeth of the pinion are not opposite the hollows of the crown.
  • These means sensitive to the coming into contact of the teeth of the pinion against the crown are advantageously constituted by a motor with electronic switching, or equivalent, constituting the source of rotary drive of the actuating means, this electric motor being of the type of those which operate at starting from pulses supplied to the stator, pulses which normally cause an angular displacement of the rotor, these types of motor comprising means making it possible to detect whether or not the rotor has performed the rotational movement corresponding to the pulses supplied to the stator.
  • the means for transforming the rotational movement from the rotary drive source of the actuator means into a translational movement comprise a screw-nut system, one of these elements being driven in rotation while being immobilized in translation, while that the other element is immobilized in rotation and free in translation.
  • the actuator means are separate from the launching means, and a mechanical connection system, in particular of the lever and fork type, is provided for transmitting the translational movement, established by the actuator means, to the means from lan cement.
  • the angular incrementing means can be mechanical and comprise a system with an inclined ramp and a ball, or equivalent, capable of transforming a translational movement between two elements, into a rotational movement.
  • These angular incrementing means may comprise a sleeve linked in translation to the pinion and comprising, on its outer surface, one or more inclined ramples, while a ring, immobilized in rotation, is mounted free in translation, on this sleeve, elastic means being provided between the sleeve and the ring to oppose their relative displacement in translation; the ball or balls intended to cooperate with the ramp or ramps of the sleeve are carried internally by the ring; the rotational connection of the sleeve and the pinion is ensured by a free wheel for a determined direction of rotation, corresponding to the locking direction of the free wheel, while for the other direction, the sleeve can rotate freely relative to the pinion; the translational movements controlled by the actuator means are transmitted to the ring and the assembly is such that the movement of the
  • this angular incrementation can be achieved using an electric motor of the stepping type, the stator of which is linked to the frame of the starter means and the rotor of which is linked in rotation to the pinion.
  • the actuator means can be incorporated into the lance means is lying ;
  • the rotary drive source, of these actuator means is constituted by an electronically commutated motor, or equivalent, the stator of which is integral with the frame of the starter means, while the rotor free in rotation but immobilized in translation relative to this frame forms a nut with an internal thread suitable for cooperating with the external thread for a ring immobilized in rotation but free in translation.
  • the angular incrementing means can be formed by a mechanical system of the inclined ramp and ball type; the inclined ramp or ramps are provided on the outer surface of a sleeve housed inside the ring and which can be moved in translation, relative to this ring, against elastic means, while the ball or balls are carried inside the ring, the sleeve being linked in rotation to the pinion by a free wheel capable of ensuring the transmission of the rotational movement of the sleeve to the pinion when the ring recedes.
  • the angular incrementing means can be constituted by an electric motor of the electronic switching type or equivalent, the stator of this motor being linked to the frame of the starter means while the rotor is linked in rotation and in translation to the pinion. .
  • the transmission of the rotation movement from the starter means to the launching means is effected by a free wheel.
  • the control means are constituted by an electronic motor, suitable for processing the control signals according to the various information received.
  • a starting device S for an internal combustion engine (not shown) in particular for a motor vehicle, comprising: - Launching means L of the internal combustion engine, these launching means comprising gripping means P suitable for being moved in translation, in a direction represented by the double arrow F to engage in complementary receiving means R linked in rotation with the internal combustion engine, or to be released from these means R; - actuator means A for translating said gripping means P, these actuator means A comprising a rotary drive source E and means T for transforming a rotational movement into a translational movement; - And starter means D suitable for driving the launching means L in rotation which ensure the rotation drive of the internal combustion engine when the intake means P are engaged in the receiving means R.
  • the starting device S comprises: - test means G sensitive to the relative position of the pick-up means P and of the reception means R; - Angular incrementing means I suitable for rotating the gripping means P relative to the receiving means R by a predetermined amplitude; - And control means C, shown in more detail in FIG. 11, sensitive to the indications provided by the test means G and suitable, on the one hand, for limiting the translation of the grip means P when it appears that they are not in the correct position relative to the reception means R, and, on the other hand, to ensure the engagement of the gripping means P in the reception means R, when a correct position is reached and, only then , to start the starter means D if the launch of the internal combustion engine is desired by the user.
  • the gripping means P are formed by a pinion 1 while the receiving means R com take a toothed ring 2 whose recesses, located between the peripheral teeth, are suitable for receiving the teeth of the pinion 1.
  • This ring 2 schematically and partially shown in FIG. 1, is set in rotation on the shaft of the combustion engine internal.
  • the control means C are combined with means 3 sensitive to the operation of the internal combustion engine, these means 3 being advantageously formed by a sensor 4 of the speed of rotation of the engine.
  • the sensor 4 is of a conventional type comprising a toothed wheel wedged on the motor shaft and a detector sensitive to the passage of the teeth of the wheel.
  • the control means C are arranged to control the operation of the actuator means A, in order to ensure the engagement of the pinion 1 in the crown 2, as soon as an operation stop of the internal combustion engine is detected, that is to say i.e. as soon as a zero rotation speed is indicated by the sensor 4.
  • the starter means D comprise an electric motor of relatively high power to enable the internal combustion engine to be driven;
  • the starter device S comprises, for starting the starter means D, a contactor 5 (FIG. 1) of the electromagnet type, which is under the influence of the control means C, independently of the actuator means A. Otherwise said, the closing or opening of the contactor 5 is carried out on the basis of instructions coming only from the control means C.
  • One terminal of the electric motor of the starter means D is connected to ground while the other terminal is connected, via the contactor 5, to the + terminal of the battery.
  • the test means G comprise means 6 sensitive to the coming into contact of the teeth of the pinion 1 against the crown 2, during the approach movement, when the teeth of the pinion are not in front of the hollow of the crown.
  • the means 6 are constituted by an electronically commutated motor 7, or equivalent, which constitutes the source of rotary drive of the actuator means A.
  • a motor comprises a stator 8 with several phases, three-phase in the example shown; the rotor 9 is of the permanent magnet type.
  • Sensors 10, in particular Hall effect sensors, generally three in number, are provided for detecting the position of the rotor and controlling the pulses sent to the phases of the stator 8.
  • the rotor 9 when control pulses are sent to of the stator windings 8, the rotor 9 must make an angular displacement of a predetermined amplitude.
  • the transformation means T of the movement of rotation in translation comprise a screw / nut system, one of these two elements being driven in rotation and immobilized in translation, while the other element is free in translation and immobilized in rotation.
  • the actuator means A are separated from the launching means L; in this case, the screw 12 of the means T is rotated by the rotor 9 of the electric motor 7, without being able to move in translation.
  • the nut immobilized in rotation but free in translation cooperating with this screw is formed by a threaded socket 13.
  • a mechanical connection system 14 comprising in particular a lever 15 articulated in its middle part on a fixed axis and forks 16, 17 is provided for transmitting the translational movement of the sleeve 13 to the launching means L.
  • the actuator means A are incorporated into the launching means L.
  • the screw 12 has means T is immobilized in rotation but can move in translation, while the nut 13 has directly linked to the rotor of the electric motor 7 is free to rotate, but immobilized in translation.
  • FIG. 4 illustrates an embodiment of launching means L combined with mechanical angular incrementing means for a starting device in accordance with the diagram of FIG. 1.
  • the pinion 1 is secured, at its end facing the sleeve 21, to the bottom of a cup 23 whose cylindrical skirt surrounds the end of the sleeve 21, at a certain radial distance.
  • a freewheeling transmission 24 is mounted between the inner surface of the cup 23 and the outer surface of the end of the sleeve 21. This freewheel 24 locks in the direction which ensures the driving of the cup 23 and of the pinion 1 by the shaft 18 when the latter is rotated by the means of starter D.
  • the pinion 1 is slidably mounted on the shaft 18, using a smooth bearing 25.
  • the end of the cup 23 remote from the pinion 1 is made removable, for example by means of screws not shown, of an extension sleeve 26 mounted freely in rotation on the sleeve 21 for example using plain bearings 27.
  • the assembly formed by the sleeve 21, the pinion 1, the cup 23 and the sleeve 26 is integral in translation and is capable of moving as a unit in the axial direction of the shaft 18.
  • the mechanical incrementing means I comprise a sleeve 28 linked in translation to the sleeve 26 and therefore to the pinion 1.
  • This sleeve 28 has on its outer surface at least one ramp or inclined groove such as 29, as visible in FIG. 5.
  • the sleeve 28 is mounted on sleeve 26 by means of a free wheel 30, or equivalent.
  • the outer and inner rings of this freewheel are linked in translation respectively to the sleeve 28 and to the sleeve 26.
  • the direction in which this freewheel 30 ensures the rotational connection of the sleeve 28 and of the pinion 1 will be specified below.
  • the mechanical incrementing means I further comprise a ring 31 slidingly mounted around the sleeve 28.
  • This ring 31 is immobilized in rotation but can be driven in translation by the end of the lever 15 shown in FIG. 4, this lever 15 having already described in connection with Figure 1.
  • Elastic means formed by a helical compression spring 32 are mounted around the sleeve 28 and push the ring 31 against a split circular rod 33, anchored in a groove provided at the periphery of the sleeve 28.
  • the ring 31 may comprise, on its internal surface, on the side facing the pinion 1, an annular recess intended to receive a part of the spring 32.
  • the sleeve 28 comprises, at its end turned towards the pinion 1 a flange 35, or equivalent , projecting radially outwards, serving as a stop at one end of the spring 32.
  • At least one ball 36 (FIG. 5) intended to cooperate with the ramp 29, is carried by the internal surface of the ring 31.
  • This ball 36 which projects radially inwards, is housed in a bore 37 oriented radially. This bore opens outwards in a tapped hole 38 of larger diameter. A disc 39, externally threaded, is screwed into the hole 38 so as to keep the ball 36 projecting towards the inside of the ring 21, in cooperation with the ramp 29.
  • the ramp 29 includes a part inclined relative to the axial direction followed by a parallel extension h .
  • the inclined part of the ramp 29 is determined so that the translational movement of the ring 31, relative to the sleeve 8 causes, by the cooperation of the ball 36 and this inclined part of the ramp 29, a relative rotation d 'A predetermined angular amplitude chosen less than the angular clearance that exists between the teeth of the pinion 1 and those of the crown 2, when the engagement is achieved.
  • this play is of the order of 1/6 of the pitch of a tooth of the pinion 1.
  • the increment pitch will therefore be chosen equal to or slightly less than 1/6 of the pitch of a tooth of the pinion 1.
  • ramps 29, and corresponding balls 36 can be provided at the periphery of the sleeve 28, being regularly distributed angularly.
  • the balls 36 could be replaced by an equivalent member such as a pin.
  • the starting position is that shown in FIG. 4 for which the pinion 1 is disengaged and away from the crown 2.
  • the lever 15 drives, in translation, the ring 31 in the direction of the crown 2.
  • the ring 31 pushes, via the spring 32, the sleeve 28, which drives in translation the other sleeve 26, the cup 23 and the pinion 1, towards the crown 2.
  • the pinion 1 If the teeth of the pinion 1 are not opposite the hollow of the crown 2, the pinion 1 abuts against this crown during its translational movement without being meshed. In other words, the translational travel of the pinion 1 and therefore of the sleeve 28 will be less than that which corresponds to the meshing.
  • the freewheel 30 is arranged so that this rotational movement of the sleeve 28, produced during the advance of the ring 31, is not transmitted to the pinion 1 via the sleeve 26.
  • test means comprising the electronically commutated motor 7, at the level of the actuator means A.
  • control means C (FIG. 1) cause the ring 31 to move back relative to the collar 35, by a distance slightly greater than j in order to take off the pinion from the crown.
  • the control means C again command an approach movement of the pinion 1 towards the crown 2, by means of the lever 15.
  • Detection of the complete travel of the meshing can also be ensured from the detection of the amplitude of rotation of the rotor 9 of the motor 7.
  • control means C When the complete meshing has been detected, the control means C cause the actuator means A to stop and the lever 15 to be held in the position it occupies.
  • the closing of the contactor 5 is controlled when the user requests a start by the ignition key.
  • the shaft 18 is then driven in rotation by the electric starter motor.
  • This rotational movement is transmitted to the sleeve 21 and, by the free wheel 24 which is blocking, to the pinion 1 which drives the crown 2.
  • this rotation is not transmitted to the sleeve 28 by the free wheel 30.
  • FIG. 6 of the drawings illustrates an alternative embodiment of launching means associated with separate actuator means, while the angular incrementing means of the pinion comprise an electric motor 40 of the type with electronic switching, or equivalent.
  • FIG. 6 The elements of the device represented in FIG. 6 which are identical or playing roles analogous to elements already described in connection with FIG. 4 are designated by the same reference numerals, possibly followed by the letter a without their description being repeated, or being repeated. in detail.
  • the ring 31 a immobilized in rotation, is mounted free in translation on the sleeve 28 a .
  • the spring 32 is compressed between the ring 31a and the flange 35 has a relatively flexible allows transmission of forces.
  • the sleeve 28 a is linked in translation and in ro tation to the sleeve 26 a and to the cup 23.
  • the sleeve 26 a comprises, on the side opposite the pinion 1, a cylindrical extension 41, of relatively reduced outside diameter, constituting the rotor of the electric motor 40; this rotor can be of the permanent magnet type 42 fixed on the external surface of this extension 41.
  • the stator 43 of the electric motor 40 is fixed on a frame 44 of the starter means D.
  • the windings 45 of the stator 43 surround the magnets 42 to short radial distance.
  • the electric motor 40 is controlled by the control means C.
  • This stop is detected, as explained above, at the level of the motor 7 and the control means C cause the ring 31 a to retract by an amount sufficient to detach the pinion from the crown, and send the motor 40 an operating order to cause an angular incrementation of a predetermined value, of the rotor 41 and therefore of the sleeve 26 a .
  • the angular increment is ordered according to the direction of rotation for which the free wheel 24 does not transmit the rotational movement to the sleeve 21 a and to the shaft 18.
  • control means C both in the case of FIGS. 4 and 5 and in the case of FIG. 6 cause, at first, when the coming into contact of the pinion 1 against the crown 2 is detected, an axial recoil of this pinion 1 by reverse operation of the actuator means A.
  • the angular increment in particular in the case of FIG. 6, would then be controlled when the pinion 1 has been released from the crown 2, so as to avoid any parasitic friction between the pinion and the crown.
  • FIG. 7 illustrates an embodiment according to which, according to the diagram in FIG. 2, the actuation means are incorporated into the launching means, the angular incrementing means I according to FIGS. 7 and 8 being of the mechanical type, as in the case Figures 4 and 5.
  • FIGS. 7 and 8 which are identical or play roles similar to elements already described in connection with the preceding figures are designated by the same reference numerals, possibly followed by the letter b , without their description being repeated, or resumed in detail.
  • the actuating means A comprise an electric motor 7 b with electronic switching, the carcass 46 of the stator of which is fixed to the frame 44 b of the starter means.
  • the rotor 47 of this motor is constituted by an internally threaded ring, forming a nut, on the periphery of which permanent magnets 48 are fixed. This rotor 47 is immobilized in translation in the axial direction, but is free to rotate.
  • the windings surround the stator 8b at a small radial distance the rotor 47.
  • the ring 31b the length of which in the axial direction is greater than in the case of FIGS. 4 and 6, comprises, on its outer surface, a thread suitable for being screwed into the rotor 47.
  • This ring 31b is immobilized in rotation but can move in translation.
  • the sleeve 28b is slidably mounted inside the ring 31b .
  • the spring 32 b is mounted around a part of smaller outside diameter of the sleeve 28 b, also within the ring 31 b.
  • This spring 32b is supported at an end facing the pinion 1, against a radial shoulder projecting outwardly provided on the sleeve 28 b; at its other end, the spring 32 b is in axial abutment against an internal radial shoulder of the ring 31 b .
  • the sleeve 28b is pushed by the spring 32b, against a resilient split ring 49 anchored in an annular groove provided on the inner surface of the ring 31b.
  • the angular incrementing means I include, as in the case of FIG. 5, at least one inclined ramp 29 b provided on the outer surface of the larger diameter of the sleeve 28 b and a ball , or equivalent, 26 b suitable for cooperating with this ramp or groove 29 b , the ball 36 b being carried by the internal surface of the ring 31 b .
  • the sleeve 28b is mounted on the other sleeve 26b via the freewheel 30b .
  • the advance movement in axial translation of the pinion 1, in the direction of the crown 2 (not shown in FIG. 7) is obtained by operating the motor 7b .
  • the rotation of the rotor 47 causes, by the effect of the screw / nut system, a translational movement from the ring 31b towards the crown. This ring results in translation, through the spring 32 b, the sleeve 28b and thus the pinion 1.
  • the cooperation of the ball 36 b and the ramp 29 b causes a rotation of the sleeve 28 b , a rotation which is not transmitted by the free wheel 30 b to the sleeve 26 b .
  • the freewheel 24 does not transmit this rotation to the sleeve 21b and to the shaft 18.
  • FIG. 9 shows an embodiment for a starting device according to the diagram in FIG. 2, in which the actuating means are incorporated into the launching means, as in the case of FIG. 8, while the incrementing means comprise a motor electric, as in the case of figure 6.
  • the electric motor 40 c to ensure the angular incrementation of the pinion 1 comprises a rotor constituted by the extension 41 c of the sleeve 26 c , extension on which are mounted permanent magnets 42 c .
  • the stator 43 c of this motor is fixed to the frame 44 c of the starter means, the stator windings 45 c surrounding the rotor.
  • the advance movement of the ring 31 c is obtained, as explained with reference to FIG. 7, by the rotation of the rotor 47 c , the internal thread of which cooperates with the external thread of the ring 31 c .
  • the thrust is transmitted by the spring 32 c to the sleeve 28 c , to the cup 23 and to the pinion 1.
  • the control means C When the abutment of the pinion 1 against the crown (not shown in FIG. 9) is detected, the control means C cause the ring 31 c to move back and start the motor 40 c to cause an angular incrementation, of amplitude predetermined pinion 1. This increment, as already explained, is repeated until the teeth of the pinion 1 come in front of the hollow of the crown to allow complete engagement without impact.
  • FIG. 10 of the drawings is a diagram representing, partially and briefly, the pinion 1 and the crown 2.
  • the successive positions in translation in the direction parallel to the axis, of the pinion 1 are identified by the abscissa x0, x1, x2, with respect to an origin 0 of the face of the pinion 1 facing the crown 2.
  • the abscissa x3 is assigned to the face of the crown 2 furthest from the pinion 1.
  • FIG. 11 schematically represents the control means C which comprise an electronic module 50, comprising in particular a microprocessor, arranged or programmed to perform the functions explained in this description.
  • This module 50 receives several pieces of information, some of which have already been mentioned about the connection 11 with the electronically commutated engine 7, and about the sensor 4 of the rotation speed of the internal combustion engine.
  • a line 51 makes it possible to enter, in the module 50, information on the open or closed state of the general contact 52 of a vehicle equipped with the starting device according to the invention.
  • This contact 52 corresponds to the conventional contact which is closed by acting on the ignition key.
  • Another line 53 introduces information on the presence or absence of a start request, depending on whether the contact 54 is closed or open.
  • This contact 54 generally corresponds to a transient position of the ignition key when the vehicle engine is started.
  • Line 55 introduces information on the temperature of the starter means D, temperature detected, for example, by a temperature sensor 56 mounted in the stator of the starter means.
  • the electronic module 50 develops control signals respectively for the actuator means A, these signals being delivered on the lines l A connected to the phases of the motor (see also FIG. 1), and control signals, delivered on line l 5, for contactor 5.
  • a link 57 for example with three conductors, similar to the link 11, supplies the module 50 information on the position of the motor rotor 40 or 40 c .
  • the lines 58 transmit the phase control signals, coming from the module 50, to the motor 40 or 40 c of FIGS. 6 or 9.
  • Line 59 transmits a command signal to activate a warning light.
  • the module 50 is arranged to command a rapid advance of the pinion 1 from x0 to x1 (see FIG. 10) then a slow advance for the meshing phase from x1 to x2.
  • the abscissae of the position occupied by the pinion 1 can be deduced from the angular amplitude of the rotation of the electronically commutated motor, such as 7, acting, at the level of the actuator means A, to control the displacement in translation of the pinion.
  • the arrangement of the module 50 ((in the case of a microprocessor, the arrangement will consist essentially in the programming of this microprocessor) is advantageously provided for the unfolding of a sequence of starting the internal combustion engine as explained below.
  • the initial state corresponds to a zero speed of the internal combustion engine, and to a stop of the pinion 1 which is fully meshed, that is to say that by adopting the representation of FIG. 10, the abscissa x of the face of the pinion facing the crown 2 is equal to x3.
  • the module 50 sends, on line l 5, a signal suitable for controlling the closing of the contactor 5 and therefore the supply of the starting means D ( Figures 1 and 2).
  • the electronic module 50 stops the signal sent on the line l 5 in order to cause the opening of the contactor 5 and stopping the starter means D.
  • a predetermined value for example 500 revolutions / minute
  • the electronic module 50 stops the signal sent on the line l 5 in order to cause the opening of the contactor 5 and stopping the starter means D.
  • the disengagement of the pinion 1 with respect to the crown 2 is controlled by a rapid retraction of this pinion; this disengaging is obtained thanks to the control signal sent by the module 50 on the lines l A to the actuator means A so that the motor 7 rotates in the appropriate direction and at the speed necessary to rapidly reverse the pinion 1.
  • This one therefore passes from the abscissa position x3 (FIG. 10) to the abscissa position x0.
  • the module 50 controls the stopping of the actuator means A and therefore of the pinion 1 when the latter has the abscissa x0.
  • the starting means D remain supplied until the speed of rotation of the internal combustion engine reaches a predetermined value.
  • a limitation in time of this supply is imposed as a function of the temperature of the starter means D by the sensor 56.
  • the pinion 1 remains in the abscissa position x0.
  • the sensor 4 sends zero speed information to the module 50.
  • the latter sends a command signal, on the lines l A, to operate the actuator means A so that the pinion 1 advances rapidly to the abscissa x1 (FIG. 10).
  • the module 50 controls a slow advance of the pinion 1 towards the crown 2.
  • the module 50 controls a rapid retraction of the pinion 1 to the abscissa position x1 and an angular increment of this pinion 1 occurs as also explained previously.
  • the module 50 commands a new slow advance from position x1 towards the crown 2. This operation, with angular incrementation, is repeated until there is meshing.
  • the slow advance continues to the abscissa position x2.
  • the module 50 controls then a rapid advance, to complete the meshing, up to the abscissa position x3.
  • the engagement sequence is finished, and the assembly is ready to respond immediately to a new start request corresponding to the closing of contact 54.
  • the starting device makes it possible to achieve self-adaptation of the engagement either by a mechanical device, as in the case of FIGS. 4 and 7, either by an electro-mechanical device as in the case of FIGS. 6 and 9.
  • Pre-positioning or pre-engagement of the pinion in the crown allows starting faster of this engine since the gear sequence is already performed when the start command is given.
  • the device of the invention makes it possible to considerably reduce the noise at start-up and even at meshing.
  • the electronic module 50 belonging to the control means C makes it possible to protect the starter means D in particular against false operations, against overspeeding, and against overheating (thermal protection).
  • the starting device according to the invention allows an improvement of the kinematic chain, a reduction in weight and size, and an operating diagnosis.
  • the starting device according to the invention intended primarily for internal combustion engines for a motor vehicle, is particularly suitable for vehicles whose engine operates in stop-march. It is recalled that in such vehicles the internal combustion engine is stopped each time the vehicle stops and the engine is restarted each time the user wishes to advance again; the purpose of such stop-start systems is to allow significant energy savings for an urban circulation of vehicles where the stops due for example to low beams or to traffic congestion, are numerous.
  • test means could be constituted by force sensors, or the like, sensitive to the abutment of the pinion against the crown.

Landscapes

  • 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)
EP87401016A 1986-05-16 1987-05-04 Anlassvorrichtung für Verbrennungsmotor Expired - Lifetime EP0246140B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8607054A FR2598753B1 (fr) 1986-05-16 1986-05-16 Dispositif de demarrage pour moteur a combustion interne
FR8607054 1986-05-16

Publications (2)

Publication Number Publication Date
EP0246140A1 true EP0246140A1 (de) 1987-11-19
EP0246140B1 EP0246140B1 (de) 1990-05-02

Family

ID=9335318

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87401016A Expired - Lifetime EP0246140B1 (de) 1986-05-16 1987-05-04 Anlassvorrichtung für Verbrennungsmotor

Country Status (5)

Country Link
US (1) US4774915A (de)
EP (1) EP0246140B1 (de)
DE (1) DE3762537D1 (de)
ES (1) ES2014312B3 (de)
FR (1) FR2598753B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729435A1 (fr) * 1995-01-16 1996-07-19 Kovacs Andre Louis Demarreur electrique de moteur thermique integrant un redemarreur inertiel de substitution
EP0727577A1 (de) * 1995-02-17 1996-08-21 INDUSTRIE MAGNETI MARELLI S.p.A. Vorrichtung zur elektronischen Steuerung eines Kupplungselektromagnets, insbesondere für Anlasser
EP0848159A1 (de) * 1996-12-16 1998-06-17 Robert Bosch Gmbh Startvorrichtung zum Starten einer Brennkraftmaschine
EP1154153A2 (de) * 2000-05-09 2001-11-14 Denso Corporation Anlassverfahren für einen Verbrennungsmotor gemäss Freilauf-Haltezustand
CN103171448A (zh) * 2011-12-20 2013-06-26 通用汽车环球科技运作有限责任公司 电动车辆流体预加热器
US10252368B2 (en) * 2013-10-04 2019-04-09 Structural Services, Inc. Machine vision robotic stud welder

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Publication number Priority date Publication date Assignee Title
FR2743026B1 (fr) * 1995-12-27 1998-02-13 Valeo Climatisation Dispositif de commande a mode fige, notamment pour une installation de chauffage, ventilation et/ou climatisation d'un vehicule automobile
US5713320A (en) * 1996-01-11 1998-02-03 Gas Research Institute Internal combustion engine starting apparatus and process
FR2879263A1 (fr) * 2004-12-14 2006-06-16 Renault Sas Demarreur pour moteur a combustion interne
DE102005048598B4 (de) * 2005-10-06 2016-06-30 Robert Bosch Gmbh Startvorrichtung zum Andrehen von Brennkraftmaschinen
EP2594777B1 (de) * 2010-07-16 2014-12-31 Toyota Jidosha Kabushiki Kaisha Motorstartvorrichtung und fahrzeug damit
DE102010062241A1 (de) * 2010-12-01 2012-06-06 Robert Bosch Gmbh Verfahren und Vorrichtung zum Betreiben eines Starters eines Fahrzeugs
DE102010064352B4 (de) * 2010-12-29 2015-07-23 Robert Bosch Gmbh Starter für eine Brennkraftmaschine
JP5628714B2 (ja) * 2011-03-11 2014-11-19 日立オートモティブシステムズ株式会社 車両用エンジン始動装置
US10975824B2 (en) 2015-11-12 2021-04-13 Bombardier Recreational Products Inc. Method and system for starting an internal combustion engine
US10883467B2 (en) 2015-11-12 2021-01-05 Bombardier Recreational Products Inc. Method and system for starting an internal combustion engine
US11448146B2 (en) * 2015-11-12 2022-09-20 Bombardier Recreational Products Inc. Method and system for starting an internal combustion engine

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US2302680A (en) * 1932-01-29 1942-11-24 Gen Motors Corp Engine starting apparatus
FR2444167A1 (fr) * 1978-12-12 1980-07-11 Paris & Du Rhone Contacteur de demarreur de moteur a combustion interne

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FR2470260A2 (fr) * 1978-12-12 1981-05-29 Paris & Du Rhone Contacteur de demarreur de moteur a combustion interne
JPS5879669A (ja) * 1981-11-04 1983-05-13 Mitsubishi Electric Corp 始動電動機
JPS5988273U (ja) * 1982-12-03 1984-06-14 三菱電機株式会社 機関始動装置
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US4551630A (en) * 1984-05-31 1985-11-05 General Motors Corporation Electric starting system

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US2302680A (en) * 1932-01-29 1942-11-24 Gen Motors Corp Engine starting apparatus
FR2444167A1 (fr) * 1978-12-12 1980-07-11 Paris & Du Rhone Contacteur de demarreur de moteur a combustion interne

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729435A1 (fr) * 1995-01-16 1996-07-19 Kovacs Andre Louis Demarreur electrique de moteur thermique integrant un redemarreur inertiel de substitution
EP0727577A1 (de) * 1995-02-17 1996-08-21 INDUSTRIE MAGNETI MARELLI S.p.A. Vorrichtung zur elektronischen Steuerung eines Kupplungselektromagnets, insbesondere für Anlasser
EP0848159A1 (de) * 1996-12-16 1998-06-17 Robert Bosch Gmbh Startvorrichtung zum Starten einer Brennkraftmaschine
EP1154153A2 (de) * 2000-05-09 2001-11-14 Denso Corporation Anlassverfahren für einen Verbrennungsmotor gemäss Freilauf-Haltezustand
EP1154153A3 (de) * 2000-05-09 2003-07-30 Denso Corporation Anlassverfahren für einen Verbrennungsmotor gemäss Freilauf-Haltezustand
CN103171448A (zh) * 2011-12-20 2013-06-26 通用汽车环球科技运作有限责任公司 电动车辆流体预加热器
CN103171448B (zh) * 2011-12-20 2016-03-09 通用汽车环球科技运作有限责任公司 电动车辆流体预加热器
US10252368B2 (en) * 2013-10-04 2019-04-09 Structural Services, Inc. Machine vision robotic stud welder

Also Published As

Publication number Publication date
FR2598753B1 (fr) 1988-08-26
FR2598753A1 (fr) 1987-11-20
US4774915A (en) 1988-10-04
ES2014312B3 (es) 1990-07-01
DE3762537D1 (de) 1990-06-07
EP0246140B1 (de) 1990-05-02

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