EP4193078A1 - Dispositif d'immobilisation d'un vehicule hybride, boite de vitesse et procede de commande correspondants - Google Patents
Dispositif d'immobilisation d'un vehicule hybride, boite de vitesse et procede de commande correspondantsInfo
- Publication number
- EP4193078A1 EP4193078A1 EP21734123.9A EP21734123A EP4193078A1 EP 4193078 A1 EP4193078 A1 EP 4193078A1 EP 21734123 A EP21734123 A EP 21734123A EP 4193078 A1 EP4193078 A1 EP 4193078A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pinion
- hybrid vehicle
- immobilizing
- shaft
- gearbox
- 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
- 238000000034 method Methods 0.000 title claims description 8
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 238000010168 coupling process Methods 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 230000003100 immobilizing effect Effects 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
-
- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/093—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
-
- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
- B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
- B60K2006/4841—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range the gear provides shifting between multiple ratios
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0043—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising four forward 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Definitions
- the present invention relates to the parking brake function, on a hybrid vehicle equipped with a parallel shaft transmission.
- This device for immobilizing a hybrid vehicle having a driven gearbox with parallel shafts which combines the movement of several driving sources in the direction of the wheels of the vehicle.
- This device comprises, on the one hand, means for locking, on a casing of the box, a notched parking wheel integral with a first pinion of the box, and, on the other hand, means for coupling a second pinion of the the box on his tree.
- the parking brake function is most often ensured by a parking finger, which is housed in a notch of a ring gear, located either on the differential, the secondary shaft, or the primary shaft of the gearbox.
- an idler pinion to which is associated a cogging crown.
- the idler gear, or the shaft on which the crown wheel is mounted, is in direct kinematic connection with the wheels of the vehicle.
- the actuation of the parking finger can then be carried out in various ways, for example by means of a mobile carriage which moves in the axis of the finger with the aid of a cylinder rolling on a slope forcing the finger to descend. in the notch of the crown, or with the aid of other actuation systems involving in particular a conical shaft driven in translation to control the descent of the finger into a notch of the wheel.
- Publication FR 3 018 107 discloses an automatic transmission provided with a parking wheel located on its primary line. In this transmission, a transmission ratio is engaged simultaneously with locking of the parking wheel, when the driver places his gear selection lever in position of car park.
- the present invention aims to simplify a parking brake system, by reducing its mass and its installation volume.
- an immobilizer which comprises a first pinion of the box associated with the parking wheel which is not in direct contact with the driving sources or with the wheels of the vehicle, and a second pinion of the box, which is mounted on a shaft in direct contact with the wheels of the vehicle.
- the parking wheel is fixed to a pinion rotating on a coupling shaft between two primary shafts of the box, respectively connected to a heat engine and to an electric machine.
- the proposed gearbox has this arrangement.
- the immobilization of the vehicle is carried out by successively operating the coupling of the second pinion on its shaft, and the locking of the parking wheel and the first pinion on the casing.
- FIG. 1 describes a parking wheel locking system.
- FIG. 2 is a box kinematic diagram illustrating in a non-limiting way the application of the invention.
- a parking wheel 1 has been shown, with its parking finger 2, in the locking position on the parking wheel 1.
- the finger 2 can pivot around an axis 3, under the thrust of a spring 4.
- the control lever 5 of the finger 2 is actuated by a rod 6. It is guided in its movement by the bracket 7.
- Part 8 supports the parking brake mechanism, and part 9 supports the actuator 9a electric parking finger control.
- the rotary beading sector 10 cooperates with the beading cartridge 11 to actuate the rod 6 controlling the finger 2.
- the box in FIG. 2 is of the type described in the publication FR 3 022 495, to which reference may be made. It is a hybrid vehicle driven gearbox with parallel shafts, which combines the movement of several driving sources in the direction of the wheels of the vehicle.
- This box comprises, in the diagram, an immobilizer according to the invention.
- the primary line carries a heat engine 12, and a main electric machine 13.
- the box also carries an auxiliary electric machine 14, the movement of which joins that of the heat engine by an electric-thermal connection structure 15.
- the reference 16 designates the set of idler gears for thermal ratios (in thick lines) .
- the reference 17 designates all the idler gears of the electrical ratios (in double lines).
- Reference 18 designates the idler gear of the first thermal ratio Thl, and reference 19 the bridge descent structure.
- the mechanism casing 20 has been shown locally by a hatched area.
- the parking notching system is designated as a whole by the reference 21. It can be of the type of Figure 1, or different.
- the box includes three coupling systems, Cl-3Th, C2-4Th, C1- 2EV, respectively for the first and the third thermal ratio, the second and the fourth thermal ratio, and the two electric ratios.
- the primary shaft of the electric traction structure kinematically connects the pinion of the first electric ratio EV1 and that of the first thermal ratio 18.
- the parking brake function is performed by connecting the wheels of the vehicle to the mechanism casing 20 , by combining the notching of the Thl pinion on this casing, with the dog clutching of the electric first gear pinion 22.
- the immobilizer proposed by the invention makes it possible to immobilize a hybrid vehicle having a gearbox, such as that of FIG. 2.
- this application is not limiting. It extends to any hybrid vehicle with a controlled gearbox with parallel shafts, which combines the movement of several driving sources in the direction of the wheels of the vehicle, and comprises on the one hand locking means on a casing of the box, a toothed parking wheel integral with a first pinion of the box, and on the other hand means for coupling a second pinion of the box to its shaft.
- the axis 3 of the parking finger 2 can be fixed on the casing 20. It provides for the finger 2 a pivot connection.
- the parking wheel 1 is fixed on the idler gear 18 of the first thermal ratio (Th1) 18 which turns in this example on a coupling shaft between two primary shafts of the box, respectively connected to the heat engine 12 and to the electric machine 13.
- Finger 2 can block parking wheel 1 using a parking actuator such as actuator 9a in Figure 1.
- the first pinion 18 and the parking wheel 1 are not in direct contact with the driving sources or with the wheels of the vehicle.
- the second pinion 24, kinematically connected to the first pinion 18, is mounted on a shaft in direct contact with the wheels of the vehicle.
- the immobilizer thus comprises the idler gear 18 of the first thermal ratio Thl, the idler gear 22 of the first electrical ratio EV1.
- the shaft 24 which kinematically links the two pinions 18 and 22, is the primary shaft linked to the electric machine 13.
- the first pinion 18 of the immobilizer is therefore a thermal ratio pinion, while the second pinion 22 is an electrical ratio pinion.
- the idler gear 18 on which the parking wheel is fixed rotates on a coupling shaft between two primary shafts of the box, respectively connected to the combustion engine and to an electric machine. But this provision is not limiting.
- the invention also provides that the idler gear 22 of the first electrical ratio is already engaged on its shaft when the parking wheel 1 and the first gear 18 are locked on the casing 20 .
- This interconnection is carried out using the player of the C1 -2EV coupling system, which then kinematically binds the first pinion 18 to the secondary shaft and to the wheels, through the differential 23 .
- the immobilizer includes the two idler gears of the box 18 and 22 . These pinions are mechanically linked by the electrical primary shaft 24 and its teeth 25, 26. Two mechanical systems intervene to immobilize the vehicle: the means for locking the first idler gear and the toothed wheel on the housing thanks to the parking pin 2 on the one hand, and the dog clutch system C1-2EV of the first electric gear EV1, on the other hand .
- the parking wheel 1 locking means comprise the parking finger cooperating with the parking wheel under the control of dedicated actuating means.
- These actuating means can be integrated into the command and control system of the gearbox.
- the device may on the contrary comprise a remote actuator, with a command integrated into the command and control system of the gearbox. Its actuating means can also be independent of the gearbox command and control system.
- the locking of the parking wheel is ensured mechanically, either from a control linkage of a gear selector, or by an electric actuator.
- the immobilization of the vehicle is carried out by successively operating the coupling of the second pinion on its shaft, and the locking of the parking wheel and the first pinion on the casing.
- the coupling of the second pinion to its shaft is maintained by the gearbox actuator, when the parking wheel is locked on the casing.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2008345A FR3113308A1 (fr) | 2020-08-06 | 2020-08-06 | Dispositif d’immobilisation d’un vehicule hybride, boite de vitesse et procede de commande correspondants |
PCT/EP2021/066754 WO2022028763A1 (fr) | 2020-08-06 | 2021-06-21 | Dispositif d'immobilisation d'un vehicule hybride, boite de vitesse et procede de commande correspondants |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4193078A1 true EP4193078A1 (fr) | 2023-06-14 |
Family
ID=73793324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21734123.9A Pending EP4193078A1 (fr) | 2020-08-06 | 2021-06-21 | Dispositif d'immobilisation d'un vehicule hybride, boite de vitesse et procede de commande correspondants |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4193078A1 (fr) |
CN (1) | CN116324228A (fr) |
FR (1) | FR3113308A1 (fr) |
WO (1) | WO2022028763A1 (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10133695B4 (de) * | 2000-07-18 | 2015-08-13 | Schaeffler Technologies AG & Co. KG | Doppelkuplungsgetriebe |
FR3018107B1 (fr) | 2014-02-28 | 2017-07-14 | Renault Sas | Transmission automatique pour vehicule automobile a propulsion thermique ou hybride |
FR3022495B1 (fr) | 2014-06-24 | 2017-12-22 | Renault Sas | Transmission hybride a machine electrique deportee et procede de commande de changements de rapports |
-
2020
- 2020-08-06 FR FR2008345A patent/FR3113308A1/fr active Pending
-
2021
- 2021-06-21 CN CN202180066905.7A patent/CN116324228A/zh active Pending
- 2021-06-21 WO PCT/EP2021/066754 patent/WO2022028763A1/fr active Application Filing
- 2021-06-21 EP EP21734123.9A patent/EP4193078A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
FR3113308A1 (fr) | 2022-02-11 |
WO2022028763A1 (fr) | 2022-02-10 |
CN116324228A (zh) | 2023-06-23 |
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