CN105697212A - Free wheel mechanism for starting device - Google Patents
Free wheel mechanism for starting device Download PDFInfo
- Publication number
- CN105697212A CN105697212A CN201510908229.XA CN201510908229A CN105697212A CN 105697212 A CN105697212 A CN 105697212A CN 201510908229 A CN201510908229 A CN 201510908229A CN 105697212 A CN105697212 A CN 105697212A
- Authority
- CN
- China
- Prior art keywords
- moving part
- axle
- freewheel
- recess
- centring pin
- 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
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
- F02N15/023—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the overrunning 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
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
- F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
-
- 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
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
- F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
- F16D2041/0665—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical characterised by there being no cage other than the inner and outer race for distributing the intermediate members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Retarders (AREA)
- Gear Transmission (AREA)
- Friction Gearing (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a free wheel mechanism for a starting device. The mechanism comprises a driver connected with a shaft through a supporting roller. A cylindrical centering pin and a recess for holding the centering pin are arranged on the driver and an end surface of the shaft.
Description
Technical field
The present invention relates to a kind of freewheel according to claim 1 launcher for internal combustion engine as described in the preamble。
Background technology
In a kind of launcher that can start internal combustion engine described in file DE102012211893A1。Launcher includes starter pinion, this starter pinion can vertically the non-working position retracted and and the position of engagement of internal combustion engine gear ring between be adjusted。Starter pinion is driven by electric starter motor, and the rotary motion of electric starter motor is delivered on driving axle via planetary gear mechanism, is provided with the pinion shaft with starter pinion on the driving shaft。The coarse pitch screw thread that is coupled through between axle and pinion shaft is driven to realize。Starter pinion is adjusted between non-working position and the position of engagement by means of starter relay。
Summary of the invention
It is an object of the invention to, construct a kind of freewheel for launcher by simple structural measure so that ensure diametrically to position accurately between moving part and axle taking of freewheel during the permanent operation time period。
According to the present invention, this purpose is achieved by the feature of claim 1。Dependent claims gives the scheme of being advantageously improved。
Freewheel according to the present invention is for starting in the launcher of internal combustion engine。At this, freewheel is arranged in the bang path between starter motor and starter pinion, and ensures the motion transmission from armature spindle to starter pinion。But exceed the rotating speed of the starter pinion of driving once the rotating speed of internal combustion engine gear ring after engine starting, the kinesiology taking between moving part with axle cancelled at freewheel is coupled, in case stopping loss bad starter motor。
Except starter motor and starter pinion and the freewheel between being connected to, the launcher that freewheel is applied to advantageously also includes drive mechanism, such as planetary gear mechanism, this drive mechanism be especially located immediately at starter motor slave end place and make starter motor armature spindle actuation movement slow down。Freewheel is positioned at the slave end of drive mechanism, and the moving part of taking of freewheel is not connected rotatably with the component of drive mechanism slave end。In driving situation, actuation movement is delivered on the axle driving starter pinion with support roller via taking moving part。
If desired, starter pinion can be adjusted between the non-working position retracted and the position of engagement of reach, during in the position of engagement, starter pinion is in the gear ring of internal combustion engine and engages。Preferably perform the adjustment campaign of starter pinion via electromagnet actuation relay, electromagnet actuation relay has axially mobile reciprocating armature, and the motion of reciprocating armature is delivered on starter pinion via connection element, such as wishbone。The axially-movable adjusting the motor longitudinal axis being such as parallel to starter motor that moves of starter pinion。Starter pinion is threadably mounted on the axle of freewheel via coarse pitch, and thus in axial adjustment campaign, starter pinion advantageously performs the rotary motion of superposition。The rotary motion of superposition makes it easy to be engaged in gear ring。
According in the freewheel of the present invention, taking moving part and axle has the centring pin of recess and cylinder, wherein, recess and centring pin (about rotation axis) respectively extend in the axial direction and are engaged with each other。
This embodiment ensure that the coaxial accurately orientation taking moving part and axle of freewheel。Advantageously, centring pin is seamlessly contained in recess。In driving situation (when driving moment from take moving part be delivered to axle), these components do not do relative motion relative to each other。Only in idle running situation, axle rotates relative to taking moving part, thus centring pin also rotates in recess。
This embodiment has the additional advantage that simple manufacturing。Taking moving part be such as made up of plastics, sintered material or steel and such as carry out manufacturing or molding with spray to cast technique or by extruding, it also can be applied in freewheel without post processing if desired。Also advantageously, comparatively small space is radially only needed taking being centered between moving part and axle, thus ensure that on the one hand and being configured to only small adjective-centre structure, even if decreasing friction on the other hand when relative rotary motion and only little being thermally conducted in freewheel。
According to a kind of favourable embodiment, centring pin is positioned to take moving part place and exceed the side taking moving part in the axial direction and stretches out。Correspondingly, recess is positioned at the end of axle。But being also contemplated for contrary set-up mode in principle, centring pin is arranged on the end of axle and recess is arranged on and takes moving part place wherein。
According to the embodiment that another kind is favourable, the free end face of centring pin has spacing with the bottom of recess in the axial direction。Correspondingly, centring pin is not subject to axial force or is subjected only to only small axial force, and centring pin is initially used for centering and the coaxial orientation taking between moving part with axle at freewheel。
Especially, axle has roller flange, and this roller flange preferably constructs integratedly with axle and the part that is moved is taken and covered。Support roller to be radially positioned and take the taking between the side face covering section and roller flange of moving part。Preferably guaranteed that freewheel has the function of directional dependence by the wedge shape guide rail taking moving part, support roller and be contained in described wedge shape guide rail。According to taking the direction of the moment of torsion of effect between moving part and axle, supporting roller or being loaded in the latch functions corresponding with driving situation in wedge shape guide rail, it is loaded in neutral, at axle and take and can do relative rotary motion between moving part in this neutral。
According to a kind of favourable embodiment, centring pin stretches in recess, at least over the half of axial depth。This ensures guiding enough between components。Advantageously, the end face of centring pin has spacing with the bottom of recess in the axial direction simultaneously。Thus guaranteeing, the end face of axle can abut in the side-walls taking moving part simultaneously。
According to the another favourable embodiment of the present invention, the end face of the end face of axle and support roller is in same plane。According to the embodiment that other are favourable, this same plane can be the side taking moving part, thus supporting roller and axle terminates at sustained height place vertically and takes moving part side-walls。
Advantageously, chamfering or rounding can be set in the end of centring pin and/or at the marginal area place limiting out recess, for instance there is the radius between 0.1mm and 0.2mm, in order to be easier to be incorporated in recess centring pin。This chamfering or radius especially can be manufactured on the side taking moving part by the mode extruded。
According to another favourable embodiment, the diameter of centring pin or recess is less than the external diameter of axle。Advantageously, the diameter of centring pin is to the maximum takes the 30% of moving part external diameter, is 25% especially to the maximum or is 20% to the maximum。This relatively small diameter of centring pin is enough to be used in centering function, and guarantees simultaneously, when relative rotary motion, and circumferential speed comparatively small in centring pin with the contact area of recess and also assure that only comparatively small conduction of heat therewith。
Accompanying drawing explanation
Other advantages and favourable embodiment can describe from other claim, accompanying drawing and learn accompanying drawing。Wherein:
Fig. 1 illustrates the launcher for internal combustion engine, has: starter pinion, and it can be adjusted by starter relay vertically and be driven by electric starter motor and rotate；It is connected to the planetary gear mechanism after starter motor and the freewheel between drive mechanism and starter pinion,
Fig. 2 illustrates the roller flange driving axle of starter pinion with axonometric chart, with central recess,
Fig. 3 takes moving part with what axonometric chart illustrated freewheel, and it is with axially extending centrally disposed centring pin,
The longitudinal section of the freewheel that Fig. 4 illustrates, its have be bonded with each other take moving part and roller flange,
Fig. 5 illustrates another sectional view of freewheel。
Component identical in the accompanying drawings is provided with identical accompanying drawing labelling。
Detailed description of the invention
The launcher 1 for internal combustion engine that figure 1 illustrates has starter pinion 2, engages with gear ring 3 formation of internal combustion engine to start this starter pinion of internal combustion engine 4。Starter pinion 2 is bearing on driving axle 5 as with four-headed arrow institute labelling axially translatablely, and wherein, starter pinion 2 can not couple with the relative rotation with driving axle 5, for instance via coarse pitch screw thread。Starter pinion 2 via starter relay 6 the non-working position retracted and reach and be adjusted between the position of engagement of internal combustion engine 4 gear ring 3, starter relay 6 is configured to electromagnetic type and includes relay winding 7 and the reciprocating armature 8 that can be energized, and this reciprocating armature is pulled in relay winding 7 vertically when relay winding 7 is energized。Reciprocating armature 8 is via being connected with starter pinion 2 with engaging bar 9 kinesiology, thus reciprocating armature 8 converts corresponding between non-working position with the position of engagement of starter pinion 2 in resting position and the axially adjustable motion that adjusts between position axially regulates motion
Producing by means of electric starter motor 11 to be applied to the actuation movement driving the rotation on axle 5 starter pinion 2 or rather, electric starter motor 11 is connected with driving axle 5 via the drive mechanism 12 especially implementing into planetary gear mechanism。When handling electric starter motor 11, axle 5 and then starter pinion 2 is driven to be also placed in rotation。
Launcher 1 is furnished with actuator or controller 10, controls the function of starter relay 6 and starter motor 11 via this actuator or controller。
In the axially adjustment motion of the reciprocating armature 8 produced when handling starter relay 6, when arriving adjustment position, coupled with the kinesiology regulating motion of reciprocating armature 8 by switching device, for starter motor 11 turn-on current, thus starter motor 11 being placed in motion and starter motor is rotatably driven described driving axle 5 and starter pinion 2。
Launcher 1 is provided with freewheel 14, and this freewheel is configured to roller freewheel mechanism。Engage bar 9 and be applied on spring element 13, the moving part 15 of taking of freewheel 14 is applied power by spring element 13 vertically, wherein, the little gear flange of freewheel 14 or roller flange 16 with take moving part 15 combined effect and roller flange 16 and drive axle 5 and construct integratedly。Freewheel 14 makes it possible to the rotary motion being delivered on the driving direction of electric starter motor 11。But once the rotating speed height of gear ring 3 is to making driving direction reverse after internal combustion engine 4 starts, the kinesiology just cancelled taking between moving part 15 with roller flange 16 by freewheel 14 is coupled。
Illustrate at the roller flange 16 driving axle 5 place with axonometric chart in fig. 2。The free end face of roller flange 16 introduces the central recess 17 with cylindrical basis cross section。The chamfering 18 being provided around in transitional region between end face and recess 17。
Roller flange 16 and figure 3 illustrates take moving part 15 and between support roller 22 (Fig. 4, Fig. 5) collectively form freewheel。Taking moving part 15 and have marginal area axially projecting, that surround at its side 20 place in a way known, this marginal area is according to covering roller flange 16 in the state assembled of Fig. 4 and Fig. 5 radially and axially。
In addition cylindrical centring pin 21 20 places on the side centrally disposed, that axially protrude, the external diameter of centring pin 21 is equivalent to the internal diameter of the recess 17 in roller flange 16。Take moving part 15 and especially make plastics-extruded member。In addition, for holding the inner side place of the marginal area that the wedge shape guide rail 19 supporting roller 22 is located around, supporting roller 22 and be positioned at lock position from taking during the moving part driving to roller flange is transmitted, and in transmitting to the driving taking moving part from roller flange, supporting roller 22 be positioned at neutral。
As can be learnt from Fig. 4 and Fig. 5, the axial length of centring pin 21 is shorter than the axial depth of recess 17, thus spacing is arranged at the bottom of the end face of centring pin 21 and recess 17。The end face of roller flange 16 abuts in side 20 place taking moving part 15, supports roller 22 and abuts in side 20 place taking moving part 15 equally。Take the marginal area that moving part 15 utilizes it externally-located in the axial direction cover roller flange 16 and support roller 22 is completely covered in the axial direction。The internal diameter of recess 17 or the external diameter of centring pin 21 are significantly smaller than the external diameter driving axle 5；Especially, the diameter of recess 17 or centring pin 21 is only about the half driving axle 5 external diameter。Relative to the external diameter taking moving part 15, the diameter of recess 17 or centring pin 21 is only about 20%。
It is provided with axial pin 23 prejudicially taking moving part 15 place, takes moving part 15 warp-wise axial pin 23 and driven by drive mechanism component, such as planet carrier。
Claims (10)
1. the freewheel for the launcher (1) of internal combustion engine (4), it has takes moving part (15) via what the axle (5) of support roller (22) with driving starter pinion (2) was connected, wherein, described moving part (15) of taking takes the end face covering described axle, it is characterized in that, be provided with the centring pin (21) of cylinder at described moving part (15) place that takes and be provided with the recess (17) holding described centring pin (21) in the end of described axle (5)。
2. freewheel according to claim 1, it is characterised in that the free end face of described centring pin (21) has spacing with the bottom of described recess (17) in the axial direction。
3. freewheel according to claim 1 and 2, it is characterised in that described centring pin (21) stretches in described recess (17), at least over axially extended half。
4. freewheel according to any one of claim 1 to 3, it is characterized in that, described centring pin (21) be arranged on described in take moving part (15) place and described recess (17) is arranged on the end of described axle (5)。
5. freewheel according to any one of claim 1 to 4, it is characterised in that the end face of described axle (5) and the end face of described support roller (22) are in same plane。
6. freewheel according to any one of claim 1 to 5, it is characterised in that the end face of described axle (5) and the end face of described support roller (22) abut in described in take the side place of moving part (15)。
7. freewheel according to any one of claim 1 to 6, it is characterised in that the marginal area limiting out described recess (17) has chamfering (18) or rounding。
8. freewheel according to any one of claim 1 to 7, it is characterised in that the diameter of described centring pin (21) or described recess (17) is less than the external diameter of described axle (5)。
9. freewheel according to any one of claim 1 to 8, it is characterised in that the diameter of described centring pin (21) be to the maximum described in take moving part (15) external diameter 30%。
10., for a launcher for internal combustion engine, described launcher has freewheel according to any one of claim 1 to 9 (14)。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014225522.8 | 2014-12-11 | ||
| DE102014225522.8A DE102014225522B4 (en) | 2014-12-11 | 2014-12-11 | Freewheel device for a starting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105697212A true CN105697212A (en) | 2016-06-22 |
| CN105697212B CN105697212B (en) | 2018-11-06 |
Family
ID=56084490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510908229.XA Active CN105697212B (en) | 2014-12-11 | 2015-12-09 | Freewheel for starting device |
Country Status (6)
| Country | Link |
|---|---|
| CN (1) | CN105697212B (en) |
| BR (1) | BR102015030931B1 (en) |
| DE (1) | DE102014225522B4 (en) |
| FR (1) | FR3029989B1 (en) |
| HU (1) | HU230859B1 (en) |
| PL (1) | PL225168B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763111A (en) * | 2016-08-18 | 2018-03-06 | Seg汽车德国有限责任公司 | Freewheel clutch, the freewheel clutch especially in the starting device of internal combustion engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2028934B (en) * | 1978-08-01 | 1983-05-05 | Paris & Du Rhone | Starters of internal combustion engines |
| CN1641210A (en) * | 2004-01-16 | 2005-07-20 | 株式会社电装 | Starter |
| DE102012209809A1 (en) * | 2012-06-12 | 2013-12-12 | Robert Bosch Gmbh | Starter for combustion engine, has support collar coupled on starter pinion and supported axially on carrier of freewheeling device, and end face protruding support collar in ring-shaped guide profile that is arranged in carrier |
| CN103573523A (en) * | 2012-07-09 | 2014-02-12 | 罗伯特·博世有限公司 | Free cantilever type starting device for internal combustion engine |
-
2014
- 2014-12-11 DE DE102014225522.8A patent/DE102014225522B4/en active Active
-
2015
- 2015-12-08 PL PL415189A patent/PL225168B1/en unknown
- 2015-12-09 CN CN201510908229.XA patent/CN105697212B/en active Active
- 2015-12-10 FR FR1562129A patent/FR3029989B1/en active Active
- 2015-12-10 BR BR102015030931-7A patent/BR102015030931B1/en active IP Right Grant
- 2015-12-10 HU HU1500605A patent/HU230859B1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2028934B (en) * | 1978-08-01 | 1983-05-05 | Paris & Du Rhone | Starters of internal combustion engines |
| CN1641210A (en) * | 2004-01-16 | 2005-07-20 | 株式会社电装 | Starter |
| DE102012209809A1 (en) * | 2012-06-12 | 2013-12-12 | Robert Bosch Gmbh | Starter for combustion engine, has support collar coupled on starter pinion and supported axially on carrier of freewheeling device, and end face protruding support collar in ring-shaped guide profile that is arranged in carrier |
| CN103573523A (en) * | 2012-07-09 | 2014-02-12 | 罗伯特·博世有限公司 | Free cantilever type starting device for internal combustion engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763111A (en) * | 2016-08-18 | 2018-03-06 | Seg汽车德国有限责任公司 | Freewheel clutch, the freewheel clutch especially in the starting device of internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014225522B4 (en) | 2022-03-24 |
| FR3029989B1 (en) | 2019-05-24 |
| PL225168B1 (en) | 2017-02-28 |
| CN105697212B (en) | 2018-11-06 |
| PL415189A1 (en) | 2016-06-20 |
| HUP1500605A2 (en) | 2016-09-28 |
| DE102014225522A1 (en) | 2016-06-30 |
| FR3029989A1 (en) | 2016-06-17 |
| BR102015030931B1 (en) | 2023-05-09 |
| BR102015030931A2 (en) | 2016-10-04 |
| HU230859B1 (en) | 2018-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180201 Address after: Stuttgart, Germany Applicant after: SEG Automotive Germany Co.,Ltd. Address before: Stuttgart, Germany Applicant before: Robert Bosch Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |