WO2017198249A2 - Flexibles getriebebauteil - Google Patents
Flexibles getriebebauteil Download PDFInfo
- Publication number
- WO2017198249A2 WO2017198249A2 PCT/DE2017/100278 DE2017100278W WO2017198249A2 WO 2017198249 A2 WO2017198249 A2 WO 2017198249A2 DE 2017100278 W DE2017100278 W DE 2017100278W WO 2017198249 A2 WO2017198249 A2 WO 2017198249A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transmission component
- flange
- sleeve
- thickening
- blank
- 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.)
- Ceased
Links
Classifications
-
- 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
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/352—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using bevel or epicyclic gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/352—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using bevel or epicyclic gear
- F01L2001/3521—Harmonic drive of flexspline type
-
- 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
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
- F16H2049/003—Features of the flexsplines therefor
Definitions
- the invention relates to an externally toothed, especially for use in a corrugated transmission suitable flexible transmission component and a method for producing such a transmission component.
- an elastic toothed wheel with external toothing is known.
- This gear has the shape of a cylinder hatch, also referred to as a collar sleeve.
- a sleeve-shaped, cylindrical portion of the gear wheel is followed by a radially outwardly directed annular hub in the form of a flange.
- the toothed wheel is intended for installation in a wave gear and should be suitable in particular for use in robots.
- a camshaft adjusting device operating with a wave gear is known.
- special precautions for lubrication of the wave gear which inherently includes a flexible transmission component, in this case a flex ring, made.
- the invention has for its object to further develop a suitable for a wave gear flexible transmission component over the prior art, especially under production engineering aspects.
- the gear component produced by the method according to the invention may be a transmission component with all features of claim 1. Alternatively, it may be a transmission component with a modified, in particular simplified, geometry.
- features and advantages of the invention apply mutatis mutandis to the device, that is, the flexible transmission component, and vice versa.
- the flexible transmission component according to claim 1 has a sleeve-shaped, externally toothed portion - short: sleeve portion - on which a radially outwardly directed flange connects.
- the external toothing of the sleeve-shaped section is a sheet-metal toothing.
- a sheet metal toothing is understood to be a toothing formed by non-cutting forming on the basis of a starting part made of sheet metal.
- the sheet metal toothing of the flexible transmission component produced by chipless forming can be used without post-processing in a transmission, in particular a corrugated transmission.
- the flexible, designed according to claim 1 transmission component is produced as a one-piece sheet metal part in the following steps:
- a hat-shaped blank which has a sleeve-shaped portion and a flange adjacent to this portion, wherein the sleeve-shaped portion on its side facing away from the flange has a radially inwardly directed thickening, located in the thickening material is radially outwardly into an internally toothed die pressed, whereby an outer toothing of the transmission component is formed.
- a flexible transmission component is produced without a flange
- a blank without a flange is provided as the first step of the method, which has a sleeve-shaped portion with a radially inwardly directed thickening, for example consists exclusively of such a sleeve-shaped portion.
- toothed structures can in principle be produced either by cutting processes or by non-cutting processes.
- Parts with chipless generated internal and external gears are known for example from DE 10 2008 038 127 B3 and DE 25 49 230 C2.
- a tool engages on that surface of the workpiece which is to receive the tooth structure.
- Devices suitable for such machining methods are known in principle from DE 10 2014 002 971 A1 and from DE 196 39 081 C2. In both cases, profile roll tools are used to machine the workpiece.
- the method according to the invention refrains from moving a tool, for instance in the form of a profile roller tool, relative to the surface of a workpiece to be profiled.
- the workpiece to be profiled namely flexible transmission component
- the toothed structure namely die
- the complete, ring-shaped closed tooth structure of the die is formed by the forming process 1: 1 on the workpiece, that is transmission component from.
- the tubular portion of the blank preferably has a completely cylindrical outer wall prior to the forming process.
- the die accordingly has a portion with a completely cylindrical inner periphery to receive the hat-shaped blank.
- the cylindrical section of the die is adjoined by a section which is toothed, the teeth lying in an annular region. gene whose inner diameter coincides with the diameter of the cylindrical portion. This means that the blank, when it rests against the inner periphery of the cylindrical portion of the die, also abuts tooth tips of the toothed portion of the die. The insertion of the blank into the die thus takes place without any deformation.
- the blank which is formed into the flexible gear part, is preferably a part made of a sheet metal strip, that is an initial strip, by deep drawing.
- the wall thickness of the sheet metal strip is referred to as the starting strip thickness.
- the thickening of the deep-drawn blank, which is formed in the die preferably has a thickness measured in the radial direction of the blank, ie wall thickness, which is greater, for example at least 20% and at most 50% greater, in particular at least 25%. and at most 35% larger, for example, 30% larger than the initial strip thickness.
- the thickening located on the inside of the sleeve-shaped section of the blank is preferably displaced outwards to such an extent that the inner circumference of the finished gear component is completely cylindrical, that is to say has a uniform inner diameter.
- an outwardly directed toothing is generated by the forming process from an inwardly directed thickening, wherein at the same time a smooth, cylindrical surface disappears on the outside of the sleeve-shaped portion and formed on the inside of the sleeve-shaped portion.
- the forming process preferably ends with the achievement of the final contour of the external toothing of the flexible gearbox. component.
- a post-processing of the flexible transmission component, which relates to the geometry of the external teeth, is therefore not required.
- the openings are provided.
- at least a portion of the openings each have an elongated, in relation to the central axis of the transmission component concavely curved shape.
- the concave curvature means that each of the openings is curved opposite to the curvature of the lateral surface of the flexible transmission component.
- the elongated, concave curved openings are particularly advantageous in terms of the elastic properties of the transmission component.
- the transmission member optionally has mounting apertures, the elongated apertures each being largely radially disposed within an associated mounting aperture with respect to their extent in the circumferential direction of the flange. Viewed in the radial direction of the transmission component, there is preferably an overlap between an elongated aperture, in particular its widened ends, and the associated, typically circular attachment opening.
- the flexible transmission component is particularly suitable for use in a corrugated transmission, which acts as a control gear in an electric camshaft adjuster or in a device for varying the compression ratio of a reciprocating engine.
- the flexible transmission component is suitable for use in a stationary transmission.
- FIG. 2 shows a section through the blank of FIG. 1, 3 shows a detail of the blank according to FIG. 1, FIG.
- FIG. 4 shows a manufactured from the blank flexible transmission component in a view analogous to FIG. 1,
- FIG. 5 shows the transmission component of FIG. 4 in a section analogous to FIG. 2,
- Fig. 7 is a wave gear with the flexible transmission component.
- FIGS. 4 to 6 show a formed as a sheet metal part blank 2, which is the output part for producing a designated 1 flexible transmission component according to FIGS. 4 to 6.
- the blank 2 already has a hat shape with a cylindrical sleeve section 3 and a flange 4 directed radially outward therefrom.
- sleeve portion On the end face of the blank 2, which faces away from the flange 4, there is a radially inwardly directed accumulation of material 5, also referred to as a thickening for short.
- the smooth, cylindrical sleeve portion 3 is inserted into a die, not shown, the inner circumference in a possible embodiment is also for the most part cylindrical.
- an outer toothing designated 8 is formed on the outer surface of the sleeve section 3.
- the inner wall of the sleeve section 3 of the flexible transmission component 1 thus completed, on the other hand, is completely cylindrical.
- the pushing in of the teeth 8 in the die from the inside of the blank 2 leads to a special load capacity of the external toothing 8.
- the toothing structure of the die is completely formed in the external toothing 8 of the transmission component 1.
- the elastic compliance of the flange 4 is favored by elongated, curved recesses 6, which are distributed uniformly around the circumference of the flange 4.
- Each recess 6, also generally referred to as an opening, is located substantially radially within a fastening opening 7, which, like each recess 6, can be produced, for example, by punching.
- the two ends of each recess 6 are widened; the associated attachment opening 7 is located centrally between the two ends of the attachment opening 7, wherein viewed in the radial direction of the flange 4, an overlap between the ends of the recess 6 and the attachment opening 7 is given.
- the flexible transmission component 1 thus has a significant elastic compliance even with tilting loads, wherein at the same time a high rigidity in the circumferential direction is provided.
- the installation situation of the flexible transmission component 1, that is, the externally toothed collar sleeve is sketched in Fig. 7.
- the flexible transmission component 1 is component of a Nes designated 9 wave gear, which is used as a control gear in a motor vehicle.
- the flexible transmission component 1 With screws 10, which each penetrate a fastening opening 7, the flexible transmission component 1 is fastened to a housing 1 1, which is not to be assigned to the wave gear 9.
- the sleeve portion 3 is permanently deformed by a wave generator 12 having an elliptical inner ring 13, an outer ring 14, and between the inner ring 13 and the outer ring 14 rolling rolling elements 15, namely balls.
- the permanently adapting to the elliptical shape of the inner ring 13 outer ring 14 is disposed radially directly within the outer toothing 8 of the flexible transmission component.
- the external toothing 8 engages at two diametrically opposite points in an internal toothing 16 of a rigid internal idler gear 17 of the harmonic drive 9.
- a slightly different number of teeth of the internal teeth 16 on the one hand and the external teeth 8 on the other hand ensures that the output ring gear 17 is slightly rotated with respect to the flexible transmission component 1 and thus with respect to the housing 1 1 at a full rotation of the inner ring 13.
- the output ring gear 17 is rotatably connected via a stop plate 18 with a shaft 19, that is output shaft, namely eccentric shaft or camshaft connected.
- the common axis of rotation of the shaft 19 and the wave gear 9, which corresponds to the central axis of the flexible transmission component 1, is designated R.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
- Retarders (AREA)
- Forging (AREA)
- Flexible Shafts (AREA)
Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/302,893 US11274737B2 (en) | 2016-05-18 | 2017-04-07 | Flexible transmission element |
| JP2018554328A JP6877463B2 (ja) | 2016-05-18 | 2017-04-07 | フレキシブルな伝動機構構成部材 |
| DE112017002522.2T DE112017002522A5 (de) | 2016-05-18 | 2017-04-07 | Flexibles Getriebebauteil |
| CN201780028296.XA CN109073061B (zh) | 2016-05-18 | 2017-04-07 | 柔性的传动构件 |
| US17/590,922 US11703115B2 (en) | 2016-05-18 | 2022-02-02 | Flexible transmission element |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016208536.0A DE102016208536B3 (de) | 2016-05-18 | 2016-05-18 | Flexibles Getriebebauteil und Verfahren zur Herstellung |
| DE102016208536.0 | 2016-05-18 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US16/302,893 A-371-Of-International US11274737B2 (en) | 2016-05-18 | 2017-04-07 | Flexible transmission element |
| US17/590,922 Division US11703115B2 (en) | 2016-05-18 | 2022-02-02 | Flexible transmission element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2017198249A2 true WO2017198249A2 (de) | 2017-11-23 |
| WO2017198249A3 WO2017198249A3 (de) | 2018-01-11 |
Family
ID=58707269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2017/100278 Ceased WO2017198249A2 (de) | 2016-05-18 | 2017-04-07 | Flexibles getriebebauteil |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US11274737B2 (de) |
| JP (1) | JP6877463B2 (de) |
| CN (1) | CN109073061B (de) |
| DE (2) | DE102016208536B3 (de) |
| WO (1) | WO2017198249A2 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016222997B4 (de) | 2016-11-22 | 2019-01-03 | Schaeffler Technologies AG & Co. KG | Flexibles Getriebebauteil |
| DE102016223796A1 (de) | 2016-11-30 | 2018-03-29 | Schaeffler Technologies AG & Co. KG | Wellgetriebe |
| DE102017114069A1 (de) | 2017-06-26 | 2018-05-09 | Schaeffler Technologies AG & Co. KG | Flexibles Getriebebauteil und Wellgetriebe |
| DE102019105760A1 (de) | 2018-03-08 | 2019-09-12 | Schaeffler Technologies AG & Co. KG | Wellgetriebe und Verfahren zur Herstellung eines elastischen Getriebebauteils |
| DE102018128068B4 (de) | 2018-11-09 | 2024-02-15 | Schaeffler Technologies AG & Co. KG | Wellgetriebe und Verfahren zur Herstellung eines Wellgetriebes |
| EP3779239B1 (de) | 2019-08-13 | 2021-08-11 | maxon international ag | Hochuntersetzendes getriebe |
| CN111570547A (zh) * | 2020-05-08 | 2020-08-25 | 兰州理工大学 | 一种用于非晶柔轮制造的超塑性成形挤压模及其成型方法 |
| DE102022131953A1 (de) * | 2022-11-18 | 2024-05-23 | Schaeffler Technologies AG & Co. KG | Verfahren zur Herstellung eines metallischen Statorträgers, Statorträger einer elektrischen Maschine sowie elastisches, metallisches Übertragungselement eines Wellgetriebes |
| WO2024104533A1 (de) * | 2022-11-18 | 2024-05-23 | Schaeffler Technologies AG & Co. KG | Verfahren zur herstellung eines metallischen statorträgers, statorträger einer elektrischen maschine sowie elastisches, metallisches übertragungselement eines wellgetriebes |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2549230C2 (de) | 1975-02-24 | 1989-06-29 | Ernst Grob Ag, Maennedorf, Ch | |
| DE29901418U1 (de) | 1999-01-28 | 1999-05-06 | Horst Scholz GmbH & Co. KG, 96317 Kronach | Spannungswellengetriebe |
| EP0741256B1 (de) | 1994-12-14 | 2000-11-15 | Harmonic Drive Systems Inc. | Elastisches zahnrad |
| DE19639081C2 (de) | 1996-09-24 | 2003-06-18 | Herzing & Schroth Gmbh & Co Kg | Vorrichtung zum Herstellen eines Werkstücks mit einer zylindrischen profilierten Wand |
| DE102006042216A1 (de) | 2006-09-08 | 2008-03-27 | Schaeffler Kg | Synchronkörper |
| DE102008038127B3 (de) | 2008-08-18 | 2010-02-04 | Leib, Ulrich, Dr.-Ing. | Verfahren und Vorrichtung zur Herstellung von hochgenauen innen- und außenverzahnten, topfförmigen Blechteilen |
| DE102013216183A1 (de) | 2013-08-14 | 2015-02-19 | Schaeffler Technologies Gmbh & Co. Kg | Verstelleinrichtung |
| DE102013220220A1 (de) | 2013-10-08 | 2015-04-09 | Schaeffler Technologies Gmbh & Co. Kg | Nockenwellenverstellvorrichtung |
| DE102013221246A1 (de) | 2013-10-21 | 2015-04-23 | Schaeffler Technologies Gmbh & Co. Kg | Synchronkörper |
| DE102014002971A1 (de) | 2014-03-06 | 2015-09-10 | Webo Werkzeugbau Oberschwaben Gmbh | Verfahren und Vorrichtung zur Herstellung eines innen-und außenverzahnten topfförmingen Blechteils mit einem Umformkopf |
| US9328813B2 (en) | 2013-02-11 | 2016-05-03 | California Institute Of Technology | Systems and methods for implementing bulk metallic glass-based strain wave gears and strain wave gear components |
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| JPS6095235A (ja) * | 1983-10-26 | 1985-05-28 | Mitsubishi Electric Corp | ハ−モニツクギヤ装置 |
| US5176021A (en) * | 1989-10-26 | 1993-01-05 | Grundfos International A/S | Method and apparatus for making shaped metal parts by forming sheet metal |
| JP2888407B2 (ja) * | 1993-10-18 | 1999-05-10 | 三菱電機株式会社 | 遊星歯車式トルク伝達装置 |
| CN2886215Y (zh) | 2006-04-26 | 2007-04-04 | 哈尔滨工业大学 | 环型谐波齿轮减速器 |
| US7845204B2 (en) * | 2008-04-07 | 2010-12-07 | Standard Engineering Group, Inc. | Cup-shaped member forming apparatus |
| JP5031649B2 (ja) | 2008-04-18 | 2012-09-19 | 株式会社ハーモニック・ドライブ・システムズ | フレクスプラインおよび波動歯車装置 |
| DE102010049106A1 (de) | 2010-10-21 | 2011-06-09 | Daimler Ag | Schiebehülsenrohling und Kraftfahrzeug-Lenkspindelanordnung mit aus dem Rohling gefertigter Schiebehülse |
| JP2013053643A (ja) * | 2011-09-01 | 2013-03-21 | Aisin Aw Co Ltd | 内周凹凸部を有するカップ状部品及びその製造方法及び製造装置 |
| JP6151000B2 (ja) * | 2012-10-10 | 2017-06-21 | 東洋鋼鈑株式会社 | 円筒容器の製造方法 |
| JP6192044B2 (ja) * | 2013-11-20 | 2017-09-06 | アルプス電気株式会社 | レンズ駆動装置 |
| WO2015156797A1 (en) * | 2014-04-09 | 2015-10-15 | California Institute Of Technology | Systems and methods for implementing bulk metallic glass-based strain wave gears and strain wave gear components |
| CN104033565B (zh) | 2014-06-03 | 2016-08-17 | 北京航空航天大学 | 一种波纹型柔轮结构 |
| EP3218127B1 (de) * | 2014-11-12 | 2022-02-09 | Ekl Machine Company | System und verfahren zur flanschprojektionssteuerung |
| US10857582B2 (en) * | 2015-01-21 | 2020-12-08 | Nippon Steel Corporation | Method of manufacturing tooth-shaped component, and tooth-shaped component |
-
2016
- 2016-05-18 DE DE102016208536.0A patent/DE102016208536B3/de active Active
-
2017
- 2017-04-07 JP JP2018554328A patent/JP6877463B2/ja active Active
- 2017-04-07 US US16/302,893 patent/US11274737B2/en active Active
- 2017-04-07 CN CN201780028296.XA patent/CN109073061B/zh active Active
- 2017-04-07 WO PCT/DE2017/100278 patent/WO2017198249A2/de not_active Ceased
- 2017-04-07 DE DE112017002522.2T patent/DE112017002522A5/de not_active Withdrawn
-
2022
- 2022-02-02 US US17/590,922 patent/US11703115B2/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2549230C2 (de) | 1975-02-24 | 1989-06-29 | Ernst Grob Ag, Maennedorf, Ch | |
| EP0741256B1 (de) | 1994-12-14 | 2000-11-15 | Harmonic Drive Systems Inc. | Elastisches zahnrad |
| DE19639081C2 (de) | 1996-09-24 | 2003-06-18 | Herzing & Schroth Gmbh & Co Kg | Vorrichtung zum Herstellen eines Werkstücks mit einer zylindrischen profilierten Wand |
| DE29901418U1 (de) | 1999-01-28 | 1999-05-06 | Horst Scholz GmbH & Co. KG, 96317 Kronach | Spannungswellengetriebe |
| DE102006042216A1 (de) | 2006-09-08 | 2008-03-27 | Schaeffler Kg | Synchronkörper |
| DE102008038127B3 (de) | 2008-08-18 | 2010-02-04 | Leib, Ulrich, Dr.-Ing. | Verfahren und Vorrichtung zur Herstellung von hochgenauen innen- und außenverzahnten, topfförmigen Blechteilen |
| US9328813B2 (en) | 2013-02-11 | 2016-05-03 | California Institute Of Technology | Systems and methods for implementing bulk metallic glass-based strain wave gears and strain wave gear components |
| DE102013216183A1 (de) | 2013-08-14 | 2015-02-19 | Schaeffler Technologies Gmbh & Co. Kg | Verstelleinrichtung |
| DE102013220220A1 (de) | 2013-10-08 | 2015-04-09 | Schaeffler Technologies Gmbh & Co. Kg | Nockenwellenverstellvorrichtung |
| DE102013221246A1 (de) | 2013-10-21 | 2015-04-23 | Schaeffler Technologies Gmbh & Co. Kg | Synchronkörper |
| DE102014002971A1 (de) | 2014-03-06 | 2015-09-10 | Webo Werkzeugbau Oberschwaben Gmbh | Verfahren und Vorrichtung zur Herstellung eines innen-und außenverzahnten topfförmingen Blechteils mit einem Umformkopf |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019522757A (ja) | 2019-08-15 |
| US11703115B2 (en) | 2023-07-18 |
| US20190293164A1 (en) | 2019-09-26 |
| CN109073061B (zh) | 2021-08-17 |
| US11274737B2 (en) | 2022-03-15 |
| CN109073061A (zh) | 2018-12-21 |
| US20220154812A1 (en) | 2022-05-19 |
| DE112017002522A5 (de) | 2019-01-31 |
| WO2017198249A3 (de) | 2018-01-11 |
| DE102016208536B3 (de) | 2017-06-08 |
| JP6877463B2 (ja) | 2021-05-26 |
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