WO2017162942A1 - Couronne de differentiel equipee d'une cible de mesure de sa vitesse de rotation et agencement dans une boite de vitesses - Google Patents
Couronne de differentiel equipee d'une cible de mesure de sa vitesse de rotation et agencement dans une boite de vitesses Download PDFInfo
- Publication number
- WO2017162942A1 WO2017162942A1 PCT/FR2017/050384 FR2017050384W WO2017162942A1 WO 2017162942 A1 WO2017162942 A1 WO 2017162942A1 FR 2017050384 W FR2017050384 W FR 2017050384W WO 2017162942 A1 WO2017162942 A1 WO 2017162942A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- target
- differential ring
- measuring
- differential
- teeth
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/488—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable reluctance detectors
-
- 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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
-
- 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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H2048/385—Constructional details of the ring or crown gear
Definitions
- the present invention relates to a transmission differential ring of a motor vehicle whose speed of rotation is to be accurately and reliably measured,
- the invention also relates to an arrangement, in a motor vehicle gearbox, for measuring the speed of rotation of a differential ring gear.
- hybrid transmissions in which it is necessary to be able to control with precision different sources of power, thermal and electrical, which are connected to a common set of transmission.
- the associated target is in the form of a set of teeth distributed circumferentially which is integral in rotation with the component whose measurement is to be measured. rotation.
- a first sensor-target pair is for example associated with the so-called coupling shaft in order to provide information representative of the rotational speed of the coupling shaft and the primary shaft of the gearbox, both of which are direct catch and therefore representative of the rotational speed of the heat engine linked to the transmission.
- the measurement target must have a sufficient number of teeth to provide a precise value of the differential speed, for example greater than one hundred teeth.
- the design and layout of the target must not have any impact on the overall lubrication function of the transmission and differential components.
- the implantation of the target must also allow the implantation of the associated sensor inside the gearbox, and for example inside the gearbox housing.
- the design, sizing and implantation of the measurement target must allow the differential to also include a wheel called “parking" on the differential housing and which is adapted to cooperate with an associated locking pin or with a shaft of the gearbox.
- the invention aims to provide a design of the differential ring to meet the technical requirements mentioned above.
- the invention proposes a motor vehicle transmission differential ring of the type comprising a gear teeth which is arranged at its outer radial periphery, the ring being characterized in that it is equipped with a target.
- ring-shaped rotational speed measuring device comprising a plurality of teeth distributed circumferentially.
- the measurement target is arranged in a lateral face of radial orientation of the ring;
- the ring comprises a peripheral annular body which comprises:
- the housing is made by machining
- the housing is delimited by a concave annular cylindrical face
- the measurement target is mounted axially forcibly in the housing.
- the invention also proposes an arrangement for the measurement, in a motor vehicle gearbox, of the speed of rotation of a differential ring according to the invention, characterized in that it comprises a sensor which is fixed relative to to a portion of the gearbox housing, which is arranged opposite the teeth of the measurement target.
- the senor is arranged axially facing the teeth of the measurement target
- the senor is arranged radially facing the teeth of the measurement target.
- FIG. 1 is a schematic sectional view through a plane passing through the axes of rotation of the satellites and the axes of the planetary transmission differential of a motor vehicle according to the state of the art;
- FIG. 2 is a diagrammatic perspective view illustrating, in particular, a differential ring according to the invention equipped with a target for measuring its rotation speed associated with a measurement sensor by axial reading;
- Figure 3 is a schematic sectional view similar to that of Figure 1 illustrating the design and arrangement of the measuring target in combination with the differential ring shown in Figure 2;
- FIGS. 4 and 5 are views similar to those of FIGS. 3 and 4 which illustrate a similar assembly in which the measuring target is associated with a sensor with radial reading.
- a differential 10 As schematically illustrated in Figure 1, it consists of a differential housing 12 inside which are rotatably mounted satellites 14, around a door axis -satellites 16 which is carried by the housing 12 in such a way that the satellites 14 are rotatably mounted about a vertical geometric axis A2.
- Differential housing 12 also houses sun gear 18, each mounted on a horizontal axis 20 to which it is connected. rotation, the axes 20 being coaxial along a horizontal geometric axis A1 orthogonal to the axis A2.
- the differential housing 12 is, for example, a part made by foundry molding, the outer peripheral surface of which is equipped with two additional components, arranged longitudinally from left to right by considering FIG. 1; the differential case 12 equipped with a differential peripheral ring 22; and a wheel 24 called parking.
- the ring 22 and the wheel 24 are rotatably connected to the differential housing 12.
- the ring 22 and the wheel 24 are each mounted on a cylindrical convex portion of axial orientation A1 which is machined,
- the ring gear 22 and the wheel 24 are separated longitudinally by an external radial shoulder 30 of the differential gearbox 12 which determines in particular the relative axial position of the ring gear 22 and the parking gear 24 on the differential gearbox 12.
- the differential ring 12 is a metal part made for example by forging and has at its radially inner periphery a cylindrical fixing heel 32 which extends radially outwardly by a web 34 of orientation generally. radial.
- the differential ring 22 comprises, at its radially outer periphery, a crown body 36 which is a peripheral annular body which comprises the gear teeth 38, in particular enabling the differential housing 12 to be connected in rotation with a transmission shaft.
- a transmission shaft such as an associated secondary shaft (not shown) of a gearbox (not shown).
- the peripheral annular body 36 of the differential ring gear 22 is delimited axially in the longitudinal direction by a rear lateral face 40 which extends in a radial plane and by an inner concave cylindrical annular face 42.
- the cylindrical face 42 is extended by a rear transverse face 44 of the web 34 which is here frustoconical profile inclined relative to the radial plane.
- FIG. 1 shows a dashed frame 46 showing the available area of the differential ring 22 (and more particularly the body 36) in which, according to the invention and as will be explained in detail later, plans to implement a target 50 for measuring the speed or rotational speed of the differential ring 22.
- the invention provides for the implantation on the differential ring 22 of a measurement target 50 in the general shape of a ring and comprising a plurality of teeth distributed circumferentially.
- the target 50 is arranged generally in the rear lateral face 40 of the peripheral annular body 36 of the differential ring gear 22.
- the target 50 can be arranged in a complementary housing 52 made by means of a machining, in the zone 46, of an axial cylindrical face concave in the face 42 of the forged stock of the differential ring gear 22.
- the target 50 can have a complementary portion 54 in the form of an axial shell which extends longitudinally from the rear to the front.
- the target 50 here comprises a series of measurement teeth 56 which extend in a radial plane, radially inward towards the axis A1 and which are distributed circumferentially here by regularly according to a determined step.
- the number of teeth 56 is for example greater than one hundred.
- the teeth 56 are each delimited by a rear face 57, all the faces 57 being located substantially in the same radial plane.
- the detection and reading of the measurement of the rotational speed of the target 50 are carried out by means of an associated sensor 58 which is arranged longitudinally facing the faces 57, c that is to say that the sensor 58 here carries out an so-called "axial" reading of the rotation of the target 50.
- the sensor 58 is fixed with respect to the rotating target 50 and is for example fixed to a gearbox housing portion (not shown) with respect to which the differential ring 22 drives the measuring target 50 in rotation at the speed of rotation of the differential case 12.
- the measurement teeth 56 belonging to the measurement target 50 here extend radially generally and each is delimited by an internal radial face 57. All the faces 57 extend globally in the same concave annular cylindrical surface so as to allow here a so-called radial reading by means of the sensor 58, the active element of which extends here facing the faces 57 while being received radially "at "inside” of the body of the differential ring 22 and inside the target 50.
- the design according to the invention which has just been described is not limited to the embodiments and design of the target 50, in particular in the form of a folded and cut sheet metal element.
- the target can be made according to any known solution compatible with the nature of the sensor 58 associated with it.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Retarders (AREA)
- Gears, Cams (AREA)
- General Details Of Gearings (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2018137215A RU2018137215A (ru) | 2016-03-24 | 2017-02-21 | Коронная шестерня дифференциала, оснащенная мишенью для измерения скорости вращения и компоновка в коробке передач |
JP2018553322A JP2019502079A (ja) | 2016-03-24 | 2017-02-21 | 回転速度を測定するためのターゲットを備えたディファレンシャルリングギヤ及びギヤボックスにおける構造 |
US16/082,975 US20190086440A1 (en) | 2016-03-24 | 2017-02-21 | Differential ring gear equipped with a target for measuring the rotation speed thereof and arrangement in a gear box |
CA3018300A CA3018300A1 (fr) | 2016-03-24 | 2017-02-21 | Couronne de differentiel equipee d'une cible de mesure de sa vitesse de rotation et agencement dans une boite de vitesses |
KR1020187029841A KR20180121646A (ko) | 2016-03-24 | 2017-02-21 | 그 회전 속도를 측정하기 위한 타겟이 구비된 차동장치 링 기어 및 기어박스 내의 장치 |
BR112018069432-0A BR112018069432A2 (pt) | 2016-03-24 | 2017-02-21 | engrenagem de anel de diferencial equipada com um alvo para medir a velocidade de rotação da mesma e disposição em uma caixa de engrenagens |
CN201780006632.0A CN108463652A (zh) | 2016-03-24 | 2017-02-21 | 配备有用于测量其旋转速度的标靶物的差速器环齿轮和在齿轮箱中的安排 |
EP17710599.6A EP3433513B1 (fr) | 2016-03-24 | 2017-02-21 | Couronne de differentiel equipee d'une cible de mesure de sa vitesse de rotation et agencement dans une boite de vitesses |
MX2018011319A MX2018011319A (es) | 2016-03-24 | 2017-02-21 | Corona de diferencial equipada con un objetivo para medir la velocidad de rotacion de la misma y disposicion en una caja de cambios. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1652549 | 2016-03-24 | ||
FR1652549A FR3049323B1 (fr) | 2016-03-24 | 2016-03-24 | "couronne de differentiel equipee d'une cible de mesure de sa vitesse de rotation et agencement dans une boite de vitesses" |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017162942A1 true WO2017162942A1 (fr) | 2017-09-28 |
Family
ID=56008767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2017/050384 WO2017162942A1 (fr) | 2016-03-24 | 2017-02-21 | Couronne de differentiel equipee d'une cible de mesure de sa vitesse de rotation et agencement dans une boite de vitesses |
Country Status (11)
Country | Link |
---|---|
US (1) | US20190086440A1 (fr) |
EP (1) | EP3433513B1 (fr) |
JP (1) | JP2019502079A (fr) |
KR (1) | KR20180121646A (fr) |
CN (1) | CN108463652A (fr) |
BR (1) | BR112018069432A2 (fr) |
CA (1) | CA3018300A1 (fr) |
FR (1) | FR3049323B1 (fr) |
MX (1) | MX2018011319A (fr) |
RU (1) | RU2018137215A (fr) |
WO (1) | WO2017162942A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018216062B3 (de) | 2018-07-23 | 2020-01-16 | Zf Friedrichshafen Ag | Hohlrad eines Planetenradsatzes eines Automatgetriebes eines Kraftfahrzeugs und Verfahren zur dessen Herstellung |
DE102018217769A1 (de) | 2018-10-17 | 2020-04-23 | Zf Friedrichshafen Ag | Hohlrad eines Planetenradsatzes in einem Automatgetriebe |
CN113153726A (zh) * | 2021-05-10 | 2021-07-23 | 国家电投集团郑州燃气发电有限公司 | 一种燃机给水泵测速装置 |
US11162967B2 (en) * | 2017-09-29 | 2021-11-02 | Hyundai Mobis Co., Ltd. | Apparatus for measuring speed of vehicle having in-wheel motor |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3094437B1 (fr) * | 2019-03-26 | 2021-02-19 | Renault Sas | Boîtier et differentiel de transmission |
FR3094436B1 (fr) | 2019-03-29 | 2021-07-23 | Renault Sas | Boitier et differentiel de transmission automobile avec capteur de vitesse a effet hall |
CN110132577B (zh) * | 2019-05-29 | 2020-11-06 | 河北科技大学 | 齿轮箱传动性能检测系统及齿轮箱传动性能检测方法 |
US11598280B2 (en) * | 2020-04-22 | 2023-03-07 | Dana Heavy Vehicle Systems Group, Llc | System and method for measuring torque and speed of an axle |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US5032790A (en) * | 1987-06-01 | 1991-07-16 | Kelsey-Hayes Company | Passive magnetic speed sensor |
EP0911547A1 (fr) * | 1997-10-14 | 1999-04-28 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Dispositif de fixation de détecteurs pour vitesse de rotation |
US20040134307A1 (en) * | 2002-12-02 | 2004-07-15 | Pascoe David Mark | Differential housing with integrated ring gear |
US6796404B1 (en) * | 2000-03-22 | 2004-09-28 | American Axle & Manufacturing, Inc. | Cover pan ABS sensor |
DE102009054521A1 (de) * | 2009-07-28 | 2011-02-03 | Continental Teves Ag & Co. Ohg | Drehzahlsensor |
DE102014202425A1 (de) * | 2014-02-11 | 2015-08-13 | Schaeffler Technologies AG & Co. KG | Planetengetriebe mit einem integrierten Geberelement für eine Drehzahlmessung |
Family Cites Families (7)
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US4304386A (en) * | 1978-10-09 | 1981-12-08 | Nissan Motor Co., Ltd. | Position memory device |
DE3733495A1 (de) * | 1987-10-03 | 1989-04-13 | Skf Gmbh | Eine winkelcodierung aufweisendes lager |
US5486757A (en) * | 1993-08-24 | 1996-01-23 | Dana Corporation | Wheel-speed sensors for motor vehicle mounted in the spreader holes of a differential carrier housing |
JPH07167255A (ja) * | 1993-12-16 | 1995-07-04 | Kaaz Corp | デフ差動制限装置 |
US5491407A (en) * | 1995-02-03 | 1996-02-13 | Kearney-National, Inc. | Wheel bearing speed sensor |
JPH10227802A (ja) * | 1997-02-12 | 1998-08-25 | Nippon Seiko Kk | 回転速度検出用センサロータ |
JP4179266B2 (ja) * | 2004-11-08 | 2008-11-12 | 日産自動車株式会社 | ハイブリッド4輪駆動システム |
-
2016
- 2016-03-24 FR FR1652549A patent/FR3049323B1/fr active Active
-
2017
- 2017-02-21 CN CN201780006632.0A patent/CN108463652A/zh active Pending
- 2017-02-21 CA CA3018300A patent/CA3018300A1/fr not_active Abandoned
- 2017-02-21 US US16/082,975 patent/US20190086440A1/en not_active Abandoned
- 2017-02-21 BR BR112018069432-0A patent/BR112018069432A2/pt not_active Application Discontinuation
- 2017-02-21 WO PCT/FR2017/050384 patent/WO2017162942A1/fr active Application Filing
- 2017-02-21 KR KR1020187029841A patent/KR20180121646A/ko not_active Application Discontinuation
- 2017-02-21 EP EP17710599.6A patent/EP3433513B1/fr active Active
- 2017-02-21 RU RU2018137215A patent/RU2018137215A/ru not_active Application Discontinuation
- 2017-02-21 MX MX2018011319A patent/MX2018011319A/es unknown
- 2017-02-21 JP JP2018553322A patent/JP2019502079A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5032790A (en) * | 1987-06-01 | 1991-07-16 | Kelsey-Hayes Company | Passive magnetic speed sensor |
EP0911547A1 (fr) * | 1997-10-14 | 1999-04-28 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Dispositif de fixation de détecteurs pour vitesse de rotation |
US6796404B1 (en) * | 2000-03-22 | 2004-09-28 | American Axle & Manufacturing, Inc. | Cover pan ABS sensor |
US20040134307A1 (en) * | 2002-12-02 | 2004-07-15 | Pascoe David Mark | Differential housing with integrated ring gear |
DE102009054521A1 (de) * | 2009-07-28 | 2011-02-03 | Continental Teves Ag & Co. Ohg | Drehzahlsensor |
DE102014202425A1 (de) * | 2014-02-11 | 2015-08-13 | Schaeffler Technologies AG & Co. KG | Planetengetriebe mit einem integrierten Geberelement für eine Drehzahlmessung |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11162967B2 (en) * | 2017-09-29 | 2021-11-02 | Hyundai Mobis Co., Ltd. | Apparatus for measuring speed of vehicle having in-wheel motor |
DE102018216062B3 (de) | 2018-07-23 | 2020-01-16 | Zf Friedrichshafen Ag | Hohlrad eines Planetenradsatzes eines Automatgetriebes eines Kraftfahrzeugs und Verfahren zur dessen Herstellung |
DE102018217769A1 (de) | 2018-10-17 | 2020-04-23 | Zf Friedrichshafen Ag | Hohlrad eines Planetenradsatzes in einem Automatgetriebe |
CN113153726A (zh) * | 2021-05-10 | 2021-07-23 | 国家电投集团郑州燃气发电有限公司 | 一种燃机给水泵测速装置 |
Also Published As
Publication number | Publication date |
---|---|
RU2018137215A (ru) | 2020-04-24 |
CA3018300A1 (fr) | 2017-09-28 |
BR112018069432A2 (pt) | 2019-02-12 |
EP3433513B1 (fr) | 2023-08-23 |
FR3049323B1 (fr) | 2019-06-14 |
EP3433513A1 (fr) | 2019-01-30 |
US20190086440A1 (en) | 2019-03-21 |
KR20180121646A (ko) | 2018-11-07 |
FR3049323A1 (fr) | 2017-09-29 |
JP2019502079A (ja) | 2019-01-24 |
MX2018011319A (es) | 2019-01-31 |
CN108463652A (zh) | 2018-08-28 |
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