EP2890889A1 - Demarreur muni d'une couronne dentee reliee axialement a un element elastique d'absorption de chocs - Google Patents
Demarreur muni d'une couronne dentee reliee axialement a un element elastique d'absorption de chocsInfo
- Publication number
- EP2890889A1 EP2890889A1 EP13766592.3A EP13766592A EP2890889A1 EP 2890889 A1 EP2890889 A1 EP 2890889A1 EP 13766592 A EP13766592 A EP 13766592A EP 2890889 A1 EP2890889 A1 EP 2890889A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- starter
- ring
- connecting element
- elastic
- elastic element
- 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
Links
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
- F02N15/043—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer
- F02N15/046—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer of the planetary type
-
- 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
- F02N15/006—Assembling or mounting of starting devices
-
- 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
- F02N15/062—Starter drives
- F02N15/063—Starter drives with resilient shock absorbers
Definitions
- the invention relates to a starter provided with a ring gear axially connected to a shock absorbing device.
- the invention finds a particularly advantageous, but not exclusive, application with vehicles equipped with the function of stopping and restarting the engine (so-called "stop and start” function) according to which the engine of the vehicle is stopped due to traffic conditions (especially during a stop at a red light) and then restarted to save fuel.
- a combustion engine also called an internal combustion engine, in particular a motor vehicle
- a rotating electrical machine in the form of a starter capable of transmitting rotational energy from the starter to a crankshaft. of the engine by means of a driving ring.
- the starter comprises an electric motor, a contactor, a speed reducer, a housing, a launcher having a control lever, an internal shaft to the electric motor and an output shaft.
- the electric motor is composed of an inductor stator and an induced rotor mounted coaxially, the stator surrounding the rotor, which is rotatably mounted about an axis within a cylinder head.
- the latter is integral with the starter metal housing intended to be fixed on a fixed part of the motor vehicle.
- the rotor is rotatably mounted around the internal shaft of the electric motor.
- a sun gear is attached to one end of the shaft.
- the speed reducer is an epicyclic gear train comprising a satellite carrier carrying satellites meshing on the one hand with a ring gear and the output shaft, and on the other hand with the sun gear fixed to the end of the internal shaft of the electric motor. At one end of the output shaft is fixed a drive pinion.
- the electromagnetic contactor comprises an excitation coil, a movable core and a fixed core.
- the mobile core is connected to the launcher control lever.
- the ring positioned inside the housing suffers shocks caused by the over-couples produced during the starting of the engine.
- the crown is equipped with damping pads.
- such a ring is made of a plastic material, the elastomer pads, santoprene type, and extending radially relative to said ring being overmolded thereon.
- This ring is held in the starter housing:
- the object of the invention is to remedy these drawbacks.
- the invention relates to an electric starter for an internal combustion engine comprising a housing, an electric motor comprising an internal shaft movable in rotation relative to the housing along a longitudinal axis, an output shaft driven by the internal shaft. and a reducing assembly which rotatably couples the inner shaft and the output shaft, said gear unit having a ring gear fixed to the housing in an elastic connection.
- the elastic connection between the ring gear and the casing comprises an elastic element axially remote from the ring gear, and a rotational connecting element mounted axially between the ring gear and the elastic element, the ring gear being carried by the casing through the gearbox. connecting element, said elastic element being able to absorb a torque shock transmitted to the ring.
- the invention thus makes it possible to produce the ring gear in a material having different strength properties of the elastic element and connection.
- the ring gear can be made of steel while the elastic element and the connecting element also called intermediate element are made of plastic.
- This structural decomposition makes it possible to obtain, on the one hand, a ring gear with physical properties that make it possible to withstand shocks without causing breakage of the toothing, and on the other hand an elastic element with physical deformation properties that allow the shock absorption to be absorbed.
- the connecting element makes it possible to position the elastic element axially relative to the ring gear which limits the radial volume of the starter.
- the invention can be implemented according to the advantageous embodiments described below, which can be considered individually or in any operating combination.
- the connecting element is in a rigid material having mechanical properties necessary to link in rotation the crown and the elastic element, in particular without deforming.
- a connecting piece makes it possible to adapt the ring to the elastic element.
- the elastic connection between the ring gear and the housing comprises a first rotational connection means mounted axially between the ring gear and the connecting element, and a second rotational connection means mounted axially between the connecting element and the elastic element. While different starters may comprise toothed rings of variable size, this embodiment allows for the second connecting means so as to use a standardized elastic element regardless of the size of the starter ring gear.
- the ring comprises at least one pin, radially projecting from the ring, adapted to cooperate with the connecting element.
- the cooperation of the tenon with the connecting element makes it possible to link in rotation the crown and the connecting element.
- the ring comprising at least two tenons
- the first connecting means comprises a rim coming from material with the connecting element and extending axially in the direction of the crown, the rim being able to fit into a space between two tenons of the crown.
- the cooperation of the flange with the tenons makes it possible to bind in rotation the crown and the connecting element.
- the flange can be easily obtained by folding a metal connecting element.
- each post is of substantially parallelepipedal shape and has a chamfered face adapted to cooperate with another chamfered face of the connecting element.
- the chamfered faces guide the assembly operation of the crown with the connecting element.
- the connecting element comprises a portion overmolded on the tenon of the crown.
- the overmolding provides a minimum play in rotation between the connecting element and the crown.
- the second connecting means comprises at least one rod made of material with the connecting element and extending axially in the direction of the elastic element, the rod being able to cooperate with the element elastic. The rod makes it possible to link the connecting element in rotation with the elastic element.
- the elastic element is formed by a plurality of studs carried by the rod, the studs being spaced circumferentially between them.
- the pads allow the elastic element to deform to absorb the torque shocks of the crown.
- a plurality of studs makes it possible to substantially vary the deformation resistance by replacing a portion of the pads.
- the housing has an inner wall provided with tenons adapted to be inserted in a space between two consecutive pads.
- the tenons of the casing make it possible to fix the studs to a fixed structure.
- the elastic element is of semicircular shape and has on its outer periphery grooves adapted to cooperate with the housing lugs.
- the tenons of the housing allow to fix the elastic element to the fixed structure of the housing.
- the ring gear is made of a metallic material.
- the crown can thus withstand the forces applied during successive uses of the starter.
- the connecting element is made of a plastic material, in particular thermoplastic rigid.
- the connecting element has the mechanical properties necessary to rotate the crown and the elastic element in rotation.
- the connecting element may be made of a metallic material.
- the elastic element is made of a plastic material, in particular thermoplastic elastomer.
- the plastic element thus has deformation properties necessary for absorbing shocks from the crown.
- the elastic element and the connecting element are manufactured by overmolding and in that the connecting element is mounted mechanically on the crown.
- Such an embodiment of manufacturing the element elastic and the connecting element allows a better hold between it, a decrease in the risk of a mounting problem between them.
- FIGS. 1 to 9 The invention is explained below according to its preferred embodiments, in no way limiting with reference to FIGS. 1 to 9 in which:
- Figure 1 shows an axial sectional view of a starter according to the invention
- Figure 2 is a perspective view of a ring gear of a starter according to one embodiment of the invention
- Figure 3 shows a perspective view of an elastic member according to a first embodiment of the invention
- Figure 4 shows a perspective view of a starter link member according to the first embodiment of the invention
- Figure 5 shows a perspective view of a connecting element connecting a ring gear and a resilient member of a starter according to the first embodiment of the invention
- Figure 6 is an exploded perspective view from below of a connecting element connecting a ring gear and a resilient member of a starter according to a second embodiment of the invention
- Figure 7 shows an exploded perspective view in a view from above of a connecting element connecting a ring gear and a resilient member of a starter according to the second embodiment of the invention
- Figure 8 is an exploded perspective view in a bottom view of a connecting element connecting a ring gear and a resilient member of a starter according to a third embodiment of the invention
- Figure 9 is an exploded perspective view in a view from above of a connecting element connecting a ring gear and a resilient member of a starter according to the third embodiment of the invention.
- the heat engine starter 10 is similar to the starter described in WO 2005/054664, so that elements identical or similar to those of FIG. 1 of this document WO 2005/054664, to which the This application will be referenced for further details, will be assigned the same reference signs.
- the starter comprises an output shaft 43, a launcher 30 mounted on the shaft 43 and an electric motor 1 1 composed of an inductor stator 12 and an induced rotor 13 mounted coaxially, the stator 12 surrounding the rotor 13 , which is rotatably mounted about an axis 14 inside a cylinder head 15.
- Said cylinder head is integral with a starter metal casing 16 intended to be fixed on a fixed part of the motor vehicle.
- the casing 16 is here made of moldable material, for example based on aluminum.
- the stator 12 comprises a plurality of inductor permanent magnets carried by the inner periphery of the cylinder head 15.
- the stator 12 comprises an inductor coil 17 comprising two pairs of windings 18, which are wound around each other. a polar mass 19 integral with the cylinder head 15.
- the polar masses 19 are fixed by means of screws 20 to the cylinder head 15, here metallic, as described in the document FR-A-2 61 1 096.
- Each winding 18 is composed a continuous conductor wound around the polar mass 19 in the direction of its thickness so as to form concentric contiguous turns of increasing diameter as best seen in Figures 2 to 5 of EP A 749 194.
- each winding 18 is radial with respect to the axis 14 of the rotor 13, which constitutes the axis of rotation of the electric motor 1 1 driving an internal shaft 24.
- the rotor 13 comprises a bundle of plates provided with grooves for mounting electrical conductors 21 in the form of pins. These conductors 21 are interconnected to form a rotor winding in connection with conductive blades 22 belonging to a collector 23 with an electrically insulating body integral with the inner shaft 24 of the electric motor 11.
- the winding is in continuous wire.
- the brushes 25 rub on the collector slats 22 of the manifold 23 to supply the rotor winding.
- the brushes 25 belong to a brush holder 26 equipped with guiding cages and receiving brushes, which are biased towards the slats 22 by means of the springs 27.
- the brush holder 26 is integral with a metal rear bearing 28 having in the central part a housing for mounting a needle bearing 29.
- the bearing 28 serves for rotational mounting of the rear end of the inner shaft 24 of the electric motor 1 January.
- the axis of this internal shaft 24 is coincident with the axis 14 of the rotor 13, and with the axis of the output shaft 43 of the starter constituting the shaft of the launcher 30.
- the rear bearing 28 serves as the centering device the rear end of the cylinder head 15, and is connected by tie rods 31 to the housing 16 of the starter 10.
- Two threaded holes (not referenced) are formed in the housing 16 for screwing the tie rods.
- the tie rods 31 are located outside the cylinder head 15. Here a small clearance exists between the tie rods and the outer periphery of the cylinder-shaped cylinder head 15.
- the metal cylinder head is interposed between the casing 16 and the metal rear bearing 28.
- the casing 16 of the starter thus comprises the bearing 28, the cylinder head 15. This casing 16 is intended to be connected to the mass of the motor vehicle via its body.
- the starter 10 also comprises an electromagnetic contactor 32 extending parallel to the electric motor 1 1 being implanted radially above it.
- the contactor 32 has a metal tank 33 carried by the housing 16, and equipped with an excitation coil B provided with at least one winding.
- the tank 33 is closed at the rear by a cover 34 made of electrically insulating material.
- the cover 34 is fixed by folding the material of the free end of the tank 33. A shoulder of the tank 33 makes it possible to ensure the axial setting of a fixed core. 35, which is fixed axially in the other direction by the cap 34 carrying terminals 36, 37 of power supply.
- the terminals 36, 37 are shaped to each form a fixed contact 38 inside the cover 34.
- One of the terminals 36 is intended to be connected to the positive terminal of the battery, the other 37 is connected by the intermediate of a cable 39 at the input of the inductor winding 17 of the stator and brushes 25 of positive polarity.
- a mobile core 40 is attracted by magnetic attraction towards the fixed core 35, firstly, to act after catching a game on a rod (not referenced) bearing a movable contact (not referenced) to cause the closing of the contacts of the contactor 32 and supply the electric motor of the starter, and, secondly, actuate a lever 41 for controlling the launcher 30.
- the output shaft 43 is rotatably mounted in a bearing 42 at the front of the casing 16.
- This bearing 42 is constituted by way of example by a needle bearing or by a plain bearing.
- This shaft 43 carries at the front a stop 53 adjacent to the bearing 42 to limit the movement of the launcher 30.
- the rear end of the shaft 43 is configured to be integral in rotation with a plate of a planet carrier 47 , for example by crimping, this planet carrier 47 belonging to an epicyclic gear train constituting the speed reducer 45 gear.
- This planet carrier 47 carries satellites 47.1 meshing on the one hand with a ring 46 (described in more detail below) and with a solar pinion 49 integral in rotation with the front end of the internal shaft 24 of the electric motor. .
- the gearbox 45 is of the type described in the document FR 2 787 833 to which this document will refer, the latter showing the mounting of the front end of the internal shaft 24 of the electric motor 1 1 in the rear end. of the output shaft 43 having a blind hole in which is housed the front end of the inner shaft 24 with the interposition of a plain bearing and a ball.
- the satellites 47.1 are therefore mounted in rotation each around an axis. These axes extend between two plates of transverse orientation relative to the axis of the shaft 43 being carried by these plates, one of which is thicker than the other and is here fixed by crimping to the rear end of the shaft 43.
- the planet carrier 47 comprises a single plate fixed to the rear end of the shaft 43 and carrying the axes.
- the launcher 30 is slidably mounted on the output shaft 43, and comprises a drive gear 50, a driver 51 configured to be actuated by the control lever 41 pivoting, and a free wheel 52 with rollers interposed axially between the 51 and the pinion 50.
- the teeth of the pinion 50 belong to a sleeve extended at the rear to form the cylindrical outer race of the free wheel 52 to rollers.
- the driver 51 is axially extended at the front by a bushing configured internally to form the profiled outer track of the freewheel 52 to rollers and house the springs acting in known manner on the rollers.
- the driver 51 comprises a sleeve integral with the front of a flange of transverse orientation relative to the axis of the shaft 43.
- This flange is integral at its outer periphery with the sleeve of axial orientation by relative to the axis of the shaft 43 for forming a roller receiving cage closed at the front by washers.
- the driver 51 carries a washer (not referenced) defining with the flange of the driver 51 a groove for receiving the fingers of the inner end of the lever 41 in the form of a fork.
- the upper end of the lever 41 is mounted in known manner to articulation on a rod (not referenced in Figure 1) elastically connected to the movable core 40 via a spring housed in the movable core 40.
- the lever 41 is mounted in articulation on the movable core 40 and the spring surrounds the sleeve of the driver by bearing on the flange of the coach as described for example in DE 28 22 165.
- the sleeve of the driver 51 is internally provided with helical splines (not referenced) in complementary engagement with external helical teeth carried by the output shaft 43 in the vicinity of its rear end here cylindrical and moreover large diameter.
- the launcher 30 is thus animated by a helical movement when it is moved by the lever 41 in the direction of the stop 53 to come, via its pinion 50, in engagement with the drive ring, called the crown of starting (not shown), a heat engine also called internal combustion engine.
- the freewheel device 52 can be replaced by a conical clutch coupling device, of the type described in document FR-A- 2,772,433 or a multi-disk clutch.
- the launcher 30 variant is implanted partly outside the housing 16 at the front thereof. More precisely, the pinion 50 of the launcher 30, instead of being implanted in the casing 16 (see FIG. 1), can be implanted outside the casing 16, as can be seen, for example, in the document FR A 2,745,855 to which this document will be referred to.
- the control lever 41 is coupled, here elastically in a variant rigidly in the aforementioned manner, by its upper end to the movable core 40 of the contactor 32, and comprises in its middle part a pivot axis 54, which according to a characteristic is distinct, the toothed gear gear reducer ring 46 due to the structure of assembly 57 described above.
- the lever 41 is in a molded part, preferably made of rigid thermoplastic material to reduce noise, preferably reinforced by fibers.
- the mounting of the pivot axis 54 is for example made using a support piece or in the housing 16 provided with projections for this purpose, the pivot axis 54 being separate or integrated in the lever 41.
- a sealing pad 158 of elastomer to absorb dimensional changes.
- This pad 158 is in contact with the contact surface of the contactor and is integral with a plastic part 155 configured to replace the tab or tabs 55 of Figure 1 of WO 2005/054664; housing housing 16 is preserved. Alternatively the pad 158 is removed and the plastic part 155 is then in contact with the contact surface of the contactor. It is also possible to use the solution described in WO 01/31 195. It all depends on the applications.
- the ring gear 46 of the speed reducer 45 is hollow in shape and has a transversely perforated transverse wall 58 mounted on an attached hub 68 to ensure its centering.
- the hub 68 has at its center a through opening allowing the passage of the shaft 43.
- the wall 58 of the ring centered in the housing is used to guide the shaft 43 carrying the satellites.
- the ring 46 internally has a toothed annular skirt 46.1 or toothing to mesh with the satellites 47.1.
- the skirt 46.1 is axially oriented relative to the axis of the shaft 43 and therefore has a cylindrical shape.
- the teeth 46.4 of the skirt 46.1 have an axial orientation.
- the ring 46 externally has tenons 160 projecting radially from the ring 46.
- the pins 160 are of substantially parallelepipedal shape and comprise a front face 161 two axial edges 163, 164, a rear edge 166 and a front edge 165. 46 is closed at the rear by a cover 200 shown in Figure 1. The inside of the ring 46 can thus be filled with lubricating grease of the satellites 47.1 and the sun gear 49.
- At least one elastic element 90 is installed between the ring 46 and the casing 16. This elastic element 90 is able to absorb a transmitted torque shock. 46.
- torque shock this document describes the fact that when the ring 46 rotates due to shocks undergone at the start of the motor, a force is exerted perpendicular to the radius of the ring 46 on the elastic element 90 which absorbs it by deforming itself in the same direction.
- the elastic element 90 is kept axially distant from the ring 46 by a connecting element 80 in rotation.
- the connecting element 80 may be fixed by a known element of screw, nail or rod type.
- the connecting element 80 may also have a specific shape, shown in FIGS.
- the elastic element 90 comprises a core central 120 semicircular or "C" shaped to clear a free space 91 needed to pass the lever 41.
- the elastic element 90 comprises means of complementary cooperation with the casing 16. More specifically, the elastic element 90 comprises on its outer periphery grooves 144 able to cooperate with tenons of the casing 16 so as to link in rotation the element 90 and the casing 16. Each groove 144 is in the form of a substantially parallelepipedic recess extending radially in the material of the elastic element 90. The tenons of the casing 16 are also of parallelepipedal shape and extend radially in the grooves 144.
- the elastic element 90 also comprises means of complementary cooperation with the connecting element 80.
- the elastic element 90 has on its outer periphery a recess in the form of " ⁇ " with an external groove 144 connected on either side to a left radial groove 147 and a right radial groove 148.
- one end of the right radial groove 148, opposite at the end connected to the external groove 144 is connected to a tangential groove 150.
- the elastic element 90 comprises a shoulder between the central core 120 and its outer periphery so that the height of the outer periphery is greater than the height of the central core 120.
- the connecting element 80 shown in FIG. 4, comprises a disc 81 forming a cover pierced centrally to ensure the passage of the means 68.
- the connecting element 80 comprises a means of complementary cooperation with the ring 46 via a flange 82 extending axially in the direction of the ring 46 from the edge of the disc 81.
- the flange 82 has two sides 83, 84 intended to be in contact with the axial edges 163, 164 referenced in Figure 2 of the pins 160 as shown in Figure 5 so as to link in rotation the connecting element 80 and the 46.
- the connecting element 80 also comprises a means of complementary cooperation with the elastic element 90 by a rod 170 whose shape is adapted to the recess in the form of " ⁇ " of the elastic element 90.
- the rod 170 engaged in the radial grooves 147, 148 and in the tangential grooves 149, 150 makes it possible to link in rotation the connecting element 80 and the elastic element 90.
- the elastic member 90 comprises a plurality of damping pads carried by the rods 170, the pads 95 being spaced circumferentially between them.
- the ring 46 is preferably made of a metallic material capable of supporting the frictional forces on the toothing.
- the elastic member 90 is made of a plastic material to obtain the necessary deformation properties.
- the shape of the connecting element 80 can be obtained by cutting and folding a metal plate. This makes it possible to achieve this connecting element easily and furthermore to utilize little material lightening the starter.
- the connecting member 80 is made of a plastic material.
- the plastic injection makes it possible to obtain a piece whose shape is more sought after.
- the flange 82 of the connecting element 80 extends over the entire height of the ring 46 between the tenons 160.
- the flange 82 has a chamfered end 85 to facilitate the insertion of the connecting element 80 between the tenons 160.
- the tenons 160 comprise a chamfered face 161 adapted to cooperate with a chamfered face 131 of the connecting element 80.
- the disc 81 has bores 88 which facilitate the fixing between the connecting element 80 and the elastic element 90 through the overmolding of the ring 80 by creating a mechanical connection with the damping pads 90 and the bores.
- the flange 82 has two lugs that provide visual assistance during assembly but can also indexer in the cylinder head or the starter card.
- the rod 170 of the connecting element 80 has a shape of "A" with two uprights 172, 173 extending axially with respect to the connecting element 80 in the direction of the elastic element 90.
- the left pillar 172 and the right upright 173 are connected by a central reinforcement 171 of the same height as the two uprights 172, 173.
- the connecting element 80 comprises also a plane face 176 intended to come opposite the clearance 91 of the lever 41.
- the elastic element 90 comprises a central core 120 whose height is equal to the height of the outer periphery of the part.
- the elastic element 90 is provided with grooves 144 adapted to cooperate with the casing 16.
- the elastic element 90 further comprises notches 145 extending radially on the edge of the casing.
- the complementary means of cooperation of the elastic element 90 with the connecting element 80 has a shape of "T" with a central recess 180 of substantially rectangular shape which one side extends firstly to a left tangential groove 181 and secondly a right tangential groove 182.
- the two posts 172, 173 of the rod 170 abuts with the edges of the central recess 180 to guarantee the rotational connection of the elastic element 90 and the connecting element 80.
- FIGS 8 and 9 show a third embodiment for which the elastic member 90 is similar to the second embodiment.
- the connecting element 80 has a portion 191 overmolded around the ring 46. The tenons 160 of the ring 46 thus ensure the connection in rotation with a minimum clearance.
- the rod 170 of the connecting element 80 comprises a block 186 substantially rectangular central extending axially relative to the connecting member 80 in the direction of the elastic member 90.
- the central block 186 is provided with a recess 188 limiting the weight of the connecting member 80.
- One side the central block 186 extends from one to the other with two arms 187.
- the disk 81 here comprises stops 88 extending axially towards the ring which make it possible to facilitate overmoulding between the connecting element 80 and the ring 46 by penetrating during the mounting in bores of the wall 58. stops and bores help strengthen the mechanical resistance against circumferential shocks in the same way as the pins 160.
- the different embodiments make it possible to keep the elastic element 90 axially distant from the ring 46.
- the connecting element 80 ensures the rotational connection of the elastic element 90 and the ring 46 so that the elastic element absorbs torque shocks experienced by the crown 46.
- the connecting element and the elastic element are mounted at the rear of the crown and form the cover 200.
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)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1258155A FR2995031B1 (fr) | 2012-08-31 | 2012-08-31 | Demarreur muni d'une couronne dentee reliee axialement a un element elastique d'absorption de chocs |
| PCT/FR2013/051984 WO2014033405A1 (fr) | 2012-08-31 | 2013-08-28 | Demarreur muni d'une couronne dentee reliee axialement a un element elastique d'absorption de chocs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2890889A1 true EP2890889A1 (fr) | 2015-07-08 |
| EP2890889B1 EP2890889B1 (fr) | 2018-04-25 |
Family
ID=47088974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP13766592.3A Active EP2890889B1 (fr) | 2012-08-31 | 2013-08-28 | Demarreur muni d'une couronne dentee reliee axialement a un element elastique d'absorption de chocs |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2890889B1 (fr) |
| FR (1) | FR2995031B1 (fr) |
| WO (1) | WO2014033405A1 (fr) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3158514B2 (ja) * | 1991-08-22 | 2001-04-23 | 株式会社デンソー | スタータ |
| EP1347171A1 (fr) * | 2002-03-22 | 2003-09-24 | Valeo Mando Electrical Systems Korea Limited | Démarreur équipé d'un dispositif amortisseur de chocs |
| US6993989B2 (en) * | 2002-04-26 | 2006-02-07 | Denso Corporation | Starting apparatus |
| FR2902840B1 (fr) * | 2006-06-27 | 2013-03-29 | Valeo Equip Electr Moteur | Dispositif de demarrage pour moteur thermique |
| DE102010003431B4 (de) * | 2010-03-30 | 2019-05-16 | Seg Automotive Germany Gmbh | Startvorrichtung mit Hohlrad- und Zwischenlagerdämpfung |
-
2012
- 2012-08-31 FR FR1258155A patent/FR2995031B1/fr active Active
-
2013
- 2013-08-28 EP EP13766592.3A patent/EP2890889B1/fr active Active
- 2013-08-28 WO PCT/FR2013/051984 patent/WO2014033405A1/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014033405A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2995031A1 (fr) | 2014-03-07 |
| FR2995031B1 (fr) | 2018-07-13 |
| EP2890889B1 (fr) | 2018-04-25 |
| WO2014033405A1 (fr) | 2014-03-06 |
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