EP3426949A1 - Motor vehicle starter pinion with improved acoustic performance - Google Patents
Motor vehicle starter pinion with improved acoustic performanceInfo
- Publication number
- EP3426949A1 EP3426949A1 EP17710780.2A EP17710780A EP3426949A1 EP 3426949 A1 EP3426949 A1 EP 3426949A1 EP 17710780 A EP17710780 A EP 17710780A EP 3426949 A1 EP3426949 A1 EP 3426949A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pinion
- product
- tooth
- ring gear
- teeth
- 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.)
- Pending
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
- F02N15/06—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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/06—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes
- F16H1/10—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes one of the members being internally toothed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/08—Profiling
- F16H55/0873—Profiling for improving axial engagement, e.g. a chamfer at the end of the tooth flank
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/08—Profiling
- F16H55/088—Profiling with corrections on tip or foot of the teeth, e.g. addendum relief for better approach contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
- F16H55/18—Special devices for taking up backlash
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
- F16H2055/176—Ring gears with inner teeth
Definitions
- the present invention relates to a motor vehicle starter gear with improved acoustic performance.
- a rotating electric machine in the form of a starter provided with a launcher capable of transmitting rotational energy from the starter to a crankshaft. of the engine by means of a starter ring.
- the launcher is mounted mobile in translation on a drive shaft between a rest position in which the teeth of a drive pinion are released from the teeth of the starter ring, and an activation position in which teeth of the drive pinion meshes with teeth of the starter ring.
- the drive pinion and the motor ring have flanks having a curvature profile developing circle. This geometric shape is necessary to ensure efficient transmission of the driving element to the driven element.
- the robustness of the sprocket teeth and a quiet drive require that the curvature accuracy of the profile side corresponding to the meshing area be controlled to avoid shocks that cause noise and vibrations. .
- the term fHalpha corresponding to a difference between the real profile and the expected theoretical profile can be negative or positive.
- the Applicant has shown that the gears with positive teeth Halpha, ie teeth locally thicker in the useful part of the profile, have better acoustic performance than the gears fHalpha negative. This is due in particular to the elastic deformation of the tooth under the load thus creating a profile variation with respect to the optimal theoretical profile.
- the aim of the invention is to propose a simple definition of the tooth making it possible to obtain teeth with a positive pitch.
- the invention relates to an assembly comprising:
- a heat engine ring gear having a plurality of teeth, said ring gear being defined by a module and a pressure angle
- a starter comprising a pinion capable of meshing with said ring gear of said heat engine, said pinion having a plurality of teeth is defined by a module and a pressure angle, characterized in that a pinion product which is the product between the module said pinion and the cosine of the pressure angle of said pinion is greater than a crown product equal to the product between the module of said ring gear and the cosine of the pressure angle of said ring gear.
- the base step is different at the tooth tip of the pinion between the pinion and the crown.
- the assembly comprises on each tooth a shape such that the product between the module of said pinion and the cosine of the pressure angle of said pinion is greater than a crown product equal to the product between the module of said ring gear and the cosine of the reference pressure angle of said ring gear to have a different base pitch at the tooth tip of the pinion between the pinion and the ring gear.
- the invention can easily be implemented in the manufacturing phase to obtain positive halftone gears. It is further observed that the invention deviates from the rules of the art according to which there is provided a systematic equality between the pinion product and the corona product.
- reference pressure angle is meant the pressure angle of the reference rack which is theoretical (for example sintering) or actual manufacture of teeth using a rack.
- the pressure angle to the active diameter of the crown foot is different from the pressure angle to the active diameter of the tooth head of the pinion.
- the pinion module is different from the module of the crown.
- the pinion and the ring are each made of an identical or different steel.
- the pinion product is between 2.079 and 2.084.
- the pinion product is between 2.401 and 2.41.
- the pinion product is between 2.425 and 2.431.
- a thickness of each tooth top is greater by 35 to 45 micrometers to a thickness of a tooth top of a pinion which would have its pinion product equal to that of the crown product. This makes it possible to compensate for the elastic deformation of the tooth under the load creating a variation in the profile of the side of the tooth.
- said pinion has for each tooth a thickness of tooth top equal to 2.012 mm plus or minus 0.036, and a thickness measured at a junction between a tooth root and a useful flank of 1.195 mm or less. 0.1 1.
- an entrance face in the ring gear of each tooth of the pinion comprises a beveling. This facilitates insertion of each pinion tooth into the gear gap between two corresponding teeth of the ring gear.
- said pinion is of sintered type. In one embodiment, said pinion has undergone treatment by cementation.
- said pinion is obtained by cold stamping.
- Figure 1 is a schematic side view of a thermal engine starter according to the present invention
- Figure 2 is a perspective view of a pinion according to the present invention
- Fig. 3 is a detailed view of a sprocket tooth according to the present invention showing the difference between a positive flank tooth flank profile with respect to a conventional tooth flank profile;
- Figure 4 is a partial perspective view of a pinion according to the present invention illustrating the beveled shape made on the input face of the teeth. Identical, similar or similar elements retain the same references from one figure to another.
- FIG. 1 diagrammatically shows a starter 10 for a motor vehicle engine.
- This direct current starter 10 comprises, on the one hand, a rotor 12, also called an armature, rotatable about an axis X, and on the other hand, a stator 13, also called an inductor, positioned around the rotor 12.
- This stator 13 comprises a yoke carrying a set of permanent magnets 15 intended to produce an inductive field.
- the permanent magnets 15 are shaped according to cylindrical segments, being angularly distributed at regular intervals inside the cylinder head.
- the rotor 12 comprises a rotor body 17 and a winding 18 wound in notches of the rotor body 17.
- the rotor body 17 consists of a bundle of sheets having longitudinal notches 26.
- conducting wires are made of pin-shaped 21 are threaded to the interior of the notches 26 generally on two separate layers.
- the winding 18 forms, on either side of the rotor body 17, buns 19.
- the rotor 12 is provided at the rear with a collector 22 comprising a plurality of contact pieces electrically connected to the conductive elements of the winding 18, formed in the example in question by the pins 21.
- a group of brushes 23 and 24 is provided for the electrical supply of the winding 18, one of the brushes 23 being connected to the starter motor 10 and another of the brushes 24 being connected to an electrical terminal 25 of a contactor 27. .
- the brushes 23 and 24 rub against the collector 22 when the rotor 12 is rotating, allowing the rotor 12 to be powered by switching the electric current in sections of the rotor 12.
- the contactor 27 comprises, in addition to the terminal 25 connected to the brush 24, a terminal 39 connected, via an electrical connection element, to a power supply of the vehicle, in particular a battery.
- the starter 10 further comprises a launcher assembly 29 mounted to move in translation on a drive shaft 28 and can be rotated about the X axis by the rotor 12.
- a speed reducer 30 is interposed between a shaft of the rotor 12 and the drive shaft 28.
- the launcher assembly 29 comprises a drive member formed by a pinion 31 and intended to engage on a drive member. of the engine, such as a starter ring.
- the launcher assembly 29 further comprises a freewheel 32 and a washer 33 defining between them a groove 34 for receiving the end 35 of a control lever 37.
- the control lever 37 is actuated by the switch 27 to move the starter assembly 29 with respect to the drive shaft 28, along the X axis, between a first position in which the launcher assembly 29 drives the heat engine via the drive pinion 31, and a second position in which the drive pinion 31 is disengaged from the starting ring of the engine.
- an internal contact plate (not shown) makes it possible to establish a connection between the terminals 25 and 39 to energize the electric motor. This connection will be cut off when switch 27 is deactivated.
- FIG. 2 shows the pinion 31 Y-axis for meshing with the starter ring 45 of the engine.
- This pinion 31 comprises a body 41 of generally annular shape provided with teeth 42 on its outer periphery.
- the pinion 31 has grooves 44 at the inner periphery intended to cooperate with teeth of corresponding shape formed in the drive shaft 28.
- Two adjacent teeth 42 define between them a gear gap in which is intended to engage a tooth 46 of the starter ring 45.
- each tooth Z has two tooth flanks 49 opposite each other.
- Each flank 49 includes a useful flank 51 intended to come into contact with a corresponding useful flank of the ring gear 45 and a tooth root 52 extending from the corresponding working flank 51.
- the ring gear 45 is defined by a module Me and an angle of pressure alpha_c, while the pinion 31 is defined by a module Mp and a pressure angle alpha_p.
- the gear product Mp * COS (alpha_p) equal to the product between the gear module Mp and the cosine of the pressure angle of the gear alpha_p is greater than the product crown Mc * COS (alpha_c) equal to the product between the module of the crown toothed Me and the cosine of the pressure angle of the toothed crown alpha_c.
- the base pitch of the corresponding ring gear and pinion 31 which are equal to the product between the module and the pressure angle multiplied by ⁇ is defined according to the following table:
- the tooth 42 of the pinion 31 according to the invention is thicker in the upper part.
- a thickness E1 of each tooth top is greater by 35 to 45 micrometers than the thickness of a tooth top of a pinion 31 which would have its pinion product equal to that of the crown product.
- the pinion 31 has for each tooth a tooth thickness E1 equal to 2.012mm plus or minus 0.036, and a thickness E2 measured at a junction between a tooth root and a useful sidewall 1 1 .95mm plus or minus 0.1 1.
- an entrance face in the ring gear of each tooth 32 of the pinion comprises a bevelling 55 to facilitate the insertion of each pinion tooth 42 into the gear gap between two teeth. 46 of the ring 45.
- This beveling 55 is formed on an axial end face 56 of each tooth 42 having a radial orientation with respect to the axis Y of the pinion 31.
- the pinion 31 may be a sintered pinion obtained by compacting a powder based on iron and carbon in a suitable mold.
- the pinion 31 may undergo a treatment by cementation.
- This operation consists of a thermochemical treatment, that is to say it is a high temperature heat treatment which is accompanied by a modification of the chemical composition of the base alloy by enrichment and a carbon diffusion provided by a furnace atmosphere rich in carbon element. Since the pinion 31 to be treated is in contact with this carbon-rich atmosphere in the treatment furnace, the carbon will then enrich the surface and then diffuse over a certain depth, thus creating a gradient of carbon concentration decreasing from the surface and to a certain depth. to find the initial carbon content of the alloy. Once this step is carried out at high temperature, then a quenching operation is carried out consisting of a phase of sudden cooling of the workpiece.
- the parts do not remain in the rough state of quenching (otherwise they would be very fragile).
- the pieces undergo a relaxation income which has a slight impact on the hardness at the surface and in the vicinity, that is to say at a depth of the order of 0.2 mm for example but not on the rest of the hardness profile.
- the pinion 31 is obtained by cold stamping.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gears, Cams (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1651952A FR3048734B1 (en) | 2016-03-09 | 2016-03-09 | MOTOR VEHICLE STARTER GEAR WITH IMPROVED ACOUSTIC PERFORMANCE |
PCT/FR2017/050404 WO2017153656A1 (en) | 2016-03-09 | 2017-02-23 | Motor vehicle starter pinion with improved acoustic performance |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3426949A1 true EP3426949A1 (en) | 2019-01-16 |
Family
ID=56611309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17710780.2A Pending EP3426949A1 (en) | 2016-03-09 | 2017-02-23 | Motor vehicle starter pinion with improved acoustic performance |
Country Status (5)
Country | Link |
---|---|
US (1) | US10900457B2 (en) |
EP (1) | EP3426949A1 (en) |
CN (1) | CN108700175B (en) |
FR (1) | FR3048734B1 (en) |
WO (1) | WO2017153656A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3077848A1 (en) * | 2018-02-15 | 2019-08-16 | Valeo Equipements Electriques Moteur | MOTOR VEHICLE STARTER GEAR WITH IMPROVED ACOUSTIC PERFORMANCE |
CN112943892A (en) * | 2021-04-01 | 2021-06-11 | 河南睿辰机器人智能科技有限公司 | Transmission gear set and speed reducer |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH393020A (en) * | 1961-07-27 | 1965-05-31 | Wilhelm G Dr Ing E Stoeckicht | Gearbox with double helical teeth |
JPS58142066A (en) * | 1982-02-15 | 1983-08-23 | Masaya Murata | Toothed wheel |
PL146060B2 (en) * | 1986-12-17 | 1988-12-31 | Gear transmission with variable pressure angle and method of machining tooth profiles of such gear | |
JPH02238171A (en) * | 1989-03-08 | 1990-09-20 | Mitsubishi Electric Corp | Starter device |
US6571655B2 (en) * | 2001-07-26 | 2003-06-03 | Juken Kogyo Co., Ltd. | Involute gear pair structure |
US20090133531A1 (en) * | 2004-10-20 | 2009-05-28 | Hitoshi Ono | Electric Starter Motor With Idle Gear |
DE102005027048A1 (en) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Sintered tooth element with locally selective surface compaction |
DE102005027907A1 (en) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Forged toothing |
JP4389946B2 (en) * | 2007-02-19 | 2009-12-24 | トヨタ自動車株式会社 | Power transmission device |
CN101182880B (en) * | 2007-12-17 | 2012-05-30 | 宝钢苏冶重工有限公司 | Gear wheel with changed tooth height |
JP5804742B2 (en) * | 2010-08-20 | 2015-11-04 | 三菱電機株式会社 | Engine starter |
WO2012131973A1 (en) * | 2011-03-31 | 2012-10-04 | 三菱電機株式会社 | Engine starting device |
CN103244640B (en) * | 2012-02-06 | 2017-03-22 | 博世汽车部件(长沙)有限公司 | Vehicle starter and driving gear thereof |
JP5762371B2 (en) * | 2012-08-29 | 2015-08-12 | 三菱電機株式会社 | Engine starter |
EP3453475A1 (en) * | 2014-04-22 | 2019-03-13 | NTN Corporation | Sintered mechanical component |
-
2016
- 2016-03-09 FR FR1651952A patent/FR3048734B1/en active Active
-
2017
- 2017-02-23 EP EP17710780.2A patent/EP3426949A1/en active Pending
- 2017-02-23 WO PCT/FR2017/050404 patent/WO2017153656A1/en active Application Filing
- 2017-02-23 US US16/082,595 patent/US10900457B2/en active Active
- 2017-02-23 CN CN201780014035.2A patent/CN108700175B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN108700175A (en) | 2018-10-23 |
US20190085811A1 (en) | 2019-03-21 |
FR3048734A1 (en) | 2017-09-15 |
WO2017153656A1 (en) | 2017-09-14 |
CN108700175B (en) | 2022-04-19 |
FR3048734B1 (en) | 2019-07-05 |
US10900457B2 (en) | 2021-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2896828A1 (en) | ENGINE STARTER EQUIPPED WITH A UNIDIRECTIONAL CLUTCH. | |
FR3048734B1 (en) | MOTOR VEHICLE STARTER GEAR WITH IMPROVED ACOUSTIC PERFORMANCE | |
FR3034918A1 (en) | STARTER STATOR FOR MOTOR VEHICLE HAVING A PERMANENT MAGNET FORMING A PLURALITY OF POLES | |
EP1613858A2 (en) | Electromagnetic contactor for controlling an electric starter | |
FR3056261A1 (en) | MOTOR VEHICLE STARTER GEAR WITH IMPROVED ACOUSTIC PERFORMANCE | |
EP3426911A1 (en) | Motor vehicle starter motor pinion with a variable-radius tooth-root fillet | |
FR2934933A1 (en) | Rotating electric machine i.e. starter, for motor vehicle, has starter drive assembly driven in rotation by planet pinions, and reduction gear assembly comprising toothed connection unit cooperating with armature pinion and planet pinions | |
FR3077848A1 (en) | MOTOR VEHICLE STARTER GEAR WITH IMPROVED ACOUSTIC PERFORMANCE | |
EP3990792B1 (en) | Rotating electrical machine equipped with a rolling bearing pretensioning member | |
FR3056262A1 (en) | MOTOR VEHICLE STARTER GEAR WITH MAXIMIZED DRIVING RATIO | |
EP1669594B1 (en) | Device for starting an internal combustion engine | |
EP3443217B1 (en) | Starter for combustion engine of motor vehicle provided with shape-optimized shock absorbing elements | |
FR3034833A1 (en) | STARTER GEAR FOR MOTOR VEHICLE THERMAL MOTOR WITH IMPROVED MECHANICAL PERFORMANCE | |
FR3083030A1 (en) | STARTER HAVING A BRUSH HOLDER FOR AN OPTIMIZED BRUSH LENGTH | |
FR3056647A1 (en) | STARTER GEAR FOR MOTOR VEHICLE THERMAL MOTOR WITH IMPROVED MECHANICAL PERFORMANCE | |
WO2017013344A1 (en) | Motor-vehicle starter provided with breaks on the pinion teeth | |
EP3440339B1 (en) | Starter for heat engine of a motor vehicle provided with a base plate having optimised configuration | |
FR3079268A1 (en) | THERMAL MOTOR STARTER PROVIDED WITH IMPROVED STOPPING STOP | |
FR3081939A1 (en) | LAUNCHER FOR MOTOR VEHICLE STARTER | |
FR3065337A1 (en) | THERMAL MOTOR STARTER WITH IMPROVED AXIAL SHAFT ADJUSTMENT | |
WO2016185111A1 (en) | Gear and gear shaft for starter | |
EP0760721A1 (en) | Method for manufacturing a thin metal part and application particularly to a bush | |
FR3065336A1 (en) | THERMAL MOTOR STARTER PROVIDED WITH ARMOR SHAFT MAINTAINING PIECE | |
FR3069894A1 (en) | SPEED REDUCER SATELLITE CARRIER FOR VEHICLE STARTER | |
FR3004496A1 (en) | CROWN WITH INSERT FOR SPEED REDUCER OF A THERMAL MOTOR STARTER AND CORRESPONDING SPEED REDUCER ASSEMBLY. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20180905 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20211210 |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230528 |