WO2010149797A1 - Automatisiertes getriebe und verfahren zum betreiben eines automatisierten getriebes - Google Patents
Automatisiertes getriebe und verfahren zum betreiben eines automatisierten getriebes Download PDFInfo
- Publication number
- WO2010149797A1 WO2010149797A1 PCT/EP2010/059158 EP2010059158W WO2010149797A1 WO 2010149797 A1 WO2010149797 A1 WO 2010149797A1 EP 2010059158 W EP2010059158 W EP 2010059158W WO 2010149797 A1 WO2010149797 A1 WO 2010149797A1
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- WO
- WIPO (PCT)
- Prior art keywords
- pressure
- hydraulic
- actuating
- valve
- control valve
- Prior art date
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0206—Layout of electro-hydraulic control circuits, e.g. arrangement of valves
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
- F16H61/684—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive
- F16H61/688—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19233—Plurality of counter shafts
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19251—Control mechanism
Definitions
- the invention relates to an automated transmission with a hydraulic control device and with one or more hydraulic transmission units. Furthermore, the invention relates to a method for operating an automated transmission, wherein by means of a base pressure control valve, a hydraulic base pressure is set to a hydraulic control device and in which by means of suitable pressure control valves actuating pressures for actuating the gear units are specified.
- Publication EP 1 635 091 A1 discloses an automated transmission in the form of a dual-clutch transmission which comprises a first clutch with a first partial transmission, a second clutch with a second partial transmission and a shifting system for engaging / disengaging gears of the two partial transmissions the clutches and the shifting system represent the hydraulically actuated gear units.
- a hydraulic control device of the dual-clutch transmission has a control unit with control valves for actuating the two clutches and the switching system, which each have a controllable pressure and / or a controllable volumetric flow for specify the couplings and / or for the switching system.
- the hydraulic control device has a switching device, which is arranged between the control unit and the clutches or the switching system and through which the respective controllable pressure or Volumenström is switched to the clutches or the switching system.
- the hydraulic control device represents a good compromise between structural complexity and functionality, there is a constant need for simple design and therefore cost control devices or dual clutch transmissions.
- the invention is therefore based on a first object to provide a dual-clutch transmission, which is simple in construction and has a high efficiency.
- a second object is to provide an efficient method of operating a dual-clutch transmission.
- Claim 1 is characterized in that the hydraulic control device of the dual-clutch transmission comprises a hydraulic device for an actuation pressure-dependent control of the base pressure control valve and the means are provided for hydraulically switching an actuation pressure to the base pressure control valve.
- the base pressure is exclusively adjustable depending on the operating pressure, in particular by the base pressure control valve.
- the hydraulic control device comprises a hydraulic device for an actuation pressure-dependent control of the base pressure control valve with the possibility of one of the actuation pressures orientalzunch, simplifies their structure, which costs in the production and implementation of the hydraulic control device can be saved. Ideally, it is possible to dispense with a separate and previously customary pilot valve for controlling such a basic pressure regulating valve. This alone can already achieve several euros in connection with the realization of the basic pressure control valve of the hydraulic control device, in particular for a dual-clutch transmission. Also can be reduced by the operation-dependent base pressure, the energy required to provide the base pressure.
- base pressure control valve in the present case, a main pressure control valve of a hydraulic control device is described by means of which within a hydraulic line system of the hydraulic control device, a hydraulic base pressure can be adjusted.
- the automated transmission may be a dual-clutch transmission, wherein a first clutch for coupling and decoupling a first sub-transmission and a second clutch for clutches and decoupling of a second sub-transmission and a switching system for shifting gears of the sub-transmission represent the hydraulically actuated transmission units.
- the automated transmission can also be a continuously variable transmission or a manual transmission with only one clutch.
- the hydraulic base pressure is ideally adjusted by an amount delta (for example 0 to 5 bar, preferably 0.5 to 2 bar) greater than the highest temporarily required actuating pressure, so that, for example, pressure losses within the hydraulic control device can be compensated.
- the hydraulic base pressure is preferably set always greater than zero, even if the highest temporarily required actuating pressure should approach zero, so as always to be able to ensure a minimum hydraulic supply for adequate cooling and / or lubrication within the hydraulic control device.
- actuating pressure-dependent control describes in the present case that the basic pressure control valve and thus indirectly the base pressure at the hydraulic control device can be controlled as a function of one of the required or temporary actuating pressures prescribed by the control unit Specifically, if only a lesser actuation pressure is temporarily required to properly operate the dual clutch transmission in one of its operating conditions, the base pressure in the hydraulic control device may be at least temporarily equalized to that lower actuation pressure. Or very briefly: The base pressure can be at least temporarily adjusted by the hydraulic control device to a lower actuation pressure n, lower base pressure, the hydraulic control device and thus also the dual-clutch transmission can be operated more effectively. For example, the power consumption can be reduced by about 1300 mA at a correspondingly reduced base pressure.
- the second object of the invention is achieved by a method according to claim 17.
- the method is characterized in that the operating pressure of the dual-clutch transmission is adjusted by means of one of the actuating pressures.
- the setting of the base pressure is exclusively operating pressure-dependent, in particular by the base pressure control valve.
- the base pressure control valve is controlled by one of the actuation pressures.
- the basic hydraulic pressure of the hydraulic control device can be adjusted in dependence on a temporarily required actuation pressure.
- the basic hydraulic pressure can also be adapted particularly quickly and reliably if an operating pressure-dependent control signal, by means of which the basic pressure control valve can be controlled, is determined on the outlet side of one of the pressure control valves for presetting an actuating pressure.
- a first advantageous embodiment of the present hydraulic control device provides that the control unit has a hydraulic pilot control device for the basic pressure control valve. As a result, it is possible to dispense structurally particularly simply with a previously required pilot valve.
- control unit comprises a corresponding number of pressure control valves.
- a first actuation pressure and, for actuation of the second clutch, a second actuation pressure different from the first actuation pressure can be predetermined.
- control unit advantageously has a first pressure control valve and at least one further pressure control valve, wherein by means of the first pressure control valve, an actuating pressure for the first clutch and mit- A further actuating pressure for the second clutch or for the switching system is adjustable means of the further pressure control valve.
- the pressure control valves for setting the respective actuating pressure advantageously immediately each form a pilot valve for actuating pressure-dependent control of the base pressure control valve.
- the hydraulic control device structurally be further simplified.
- the device for an actuation pressure-dependent control of the basic pressure control valve can be designed in many ways. For example, determined data relating to a corresponding actuating pressure can be transmitted electronically to the basic pressure regulating valve, which is then correspondingly controlled on the basis of the data, so that the base pressure within the hydraulic control device can be adapted to the temporarily required actuating pressure.
- a structurally particularly favorable embodiment variant provides means for hydraulically switching through an actuating pressure to the basic pressure regulating valve, whereby the basic hydraulic pressure of the hydraulic control device can be adjusted by operating pressure dependent by means of the basic pressure regulating valve. If the present control device has such means for hydraulically switching through the actuation pressure to the base pressure valve, the structural complexity of the hydraulic control device can advantageously be further reduced since the relevant actuation pressure can act directly on the basic pressure control valve.
- the means for hydraulic through-connection can be designed as a component or as a component group of the device for an actuation pressure-dependent control of the basic pressure control valve.
- the hydraulic control device comprises means for determining a maximum temporarily required actuating pressure on the two clutches and / or on the switching system.
- the highest temporarily required actuating pressure can be determined.
- These means for determining a maximum temporarily required actuating pressure can be advantageously designed as a component or as a component group of the device for an actuation pressure-dependent control of the base pressure control valve.
- the means for hydraulic through-switching and the means for determining a maximum temporarily required actuating pressure by means of identical components or groups of components are realized, whereby in the present case the structural complexity can be particularly advantageous further reduced.
- the device for actuating pressure-dependent control of the basic pressure regulating valve has a plurality of means for determining a maximum temporarily required actuating pressure, advantageously a large variation in connection possibilities of hydraulically acting or working components of a transmission with the hydraulic control device can be achieved.
- Hydraulic parallel ultimately means that the clutches each have a separate means for determining the highest temporary pressure is assigned. Thus, the influence of one can be reduced by the other coupling.
- the device for an actuation pressure-dependent control of the base pressure control valve can be varied. Constructively conceivable simple and extremely trouble-prone, the device can be designed for an actuation pressure-dependent control, if it has at least one shuttle valve, in particular a double-ball check valve. Preferably, means are provided for the shuttle valve, which rule out that even with the same large actuation pressures for two gear units the latter are always safely separated from each other hydraulically.
- hydraulic shutters are arranged within a hydraulic line system of the hydraulic control device, in particular pressure and flow conditions within the hydraulic line system can advantageously be varied.
- the hydraulic diaphragms can be designed as rigid, non-adjustable components.
- the hydraulic pressure is interposed in each case between a switchover valve between the clutches and the pressure control valves connected upstream of them.
- shut-off valve is advantageously interposed.
- the shut-off valve hydraulically connects the pressure regulating valve to the switching system, wherein in a second position the connection is interrupted or shut off and the switching system is simultaneously depressurized.
- the shut-off valve prevents undesired pressure build-up in the switching system, wherein the pressure regulating valve against the shut-off valve can continue to build an actuating pressure.
- there can be least one clutch and the upstream of this pressure control valve also be provided a shut-off valve.
- Figure 1 shows schematically a first embodiment of the invention
- Figure 2 schematically shows a second embodiment of the invention
- Figure 3 shows schematically a third embodiment of the invention
- Figure 4 schematically shows a fourth embodiment of the invention
- Figure 5 shows schematically a fifth embodiment of the invention
- Figure 6 schematically an embodiment of a shuttle valve.
- Figures 1 to 5 each show a very limited and schematically illustrated dual-clutch transmission with a hydraulic control device 2 and with a first clutch 3 and a second clutch 4.
- the hydraulic control device 2 essentially comprises a control unit 5 with a first pressure control valve 6 and a second pressure control valve 7, a base pressure control valve 8, a device 9 for an actuation pressure-dependent control of the base pressure control valve 8 and a hydraulic piping system 10, by means of which the aforementioned components the hydraulic control device 2 can be hydraulically in operative contact with each other.
- the hydraulic control device 2 can draw its hydraulic oil from a reservoir 12 by means of a hydraulic oil pump 11, a hydraulic oil filter 13 being arranged between the hydraulic oil pump 11 and the reservoir 12. For monitoring the hydraulic oil temperature, a corresponding temperature control device 15 is provided.
- a base pressure 16 can be provided to the hydraulic control device 2.
- This base pressure 16 can then be controlled to actuate the clutches 3 and 4 by means of the pressure control valves 6 and 7 in a suitable manner to corresponding actuation pressures 17 and 18, which output side 19 of the pressure control valves 6, 7 can be specified.
- the pressure control valves 6, 7 are designed here as 3/3-way valves.
- the base pressure 16 is always slightly higher than the required actuation pressures 17, 18 in order thereby to be able to compensate for pressure losses within the hydraulic control device 2.
- the base pressure control valve 8 is actuated as a function of the operating pressure.
- the base pressure 16 can be reduced as needed, for example, when a low actuation pressure is needed.
- the double Clutch transmission overall advantageously be operated with a better efficiency.
- the device 9 for an operating pressure-dependent control on the one hand in each case to an output-side hydraulic line 20 and 21 of the two pressure control valves 6 and7 are hydraulically connected.
- the device 9 for an actuation pressure-dependent control on a spring side 22 of the base pressure control valve 8 is hydraulically connected, so that the pressure ratios of the actuation pressures 17 and 18 can be switched directly to the base pressure control valve 8.
- the present device 9 for an actuation pressure-dependent control structurally simple already by means 23 for hydraulically switching an actuating pressure 17, 18 are realized to the base pressure control valve 8.
- the base pressure control valve 8 is designed so that the removal of oil for cooling purposes does not preclude the provision of a high operating pressure when it is needed.
- the base pressure 16 can always be adjusted at a maximum temporarily required actuating pressure 17, 18, it is advantageous if the device 9 for an actuating pressure-dependent control means 24 for determining a maximum temporarily required actuating pressure 17 or 18 at the two clutches. 3 and 4.
- the device 9 for an actuation-pressure-dependent control is structurally particularly simply designed as a double ball check valve 25, whereby the highest temporarily required actuation pressure 17 or 18 can always act directly on the base pressure control valve 8 in a very simple manner.
- the control unit 5 forms a total of a hydraulic pilot control device 26 for the base pressure control valve 8.
- the pressure control valves 6 and 7 each represent a pilot valve 27 (only exemplified) for the base pressure control valve 8.
- control unit 5 are hydraulically connected downstream in a known manner switching valves, not shown here, which, however, are connected upstream of the two clutches 3 and 4 hydraulically.
- the second exemplary embodiment 30 shown in FIG. 2 is likewise a hydraulic control device 2 for a dual-clutch transmission, so that essentially only the differences will be described below.
- the hydraulic control device 2 of the second embodiment 30 comprises, in addition to the two clutches 3 and 4, a shifting system 31 for shifting gears of sub-transmissions of the dual-clutch transmission not shown here. So that a separate third actuating pressure 32 can also be preset at the switching system 31, the control unit 5 of the hydraulic control device 2 has a third pressure control valve 33.
- the hydraulic control device 2 has a total of three pressure control valves 6, 7 and 33, each of which is 3 / There are three-way valve and can each represent a pilot valve 27 for the base pressure control valve 8.
- an additional pilot valve (not present here) can also be dispensed with in the present case in connection with the basic pressure control valve 8, since this function can take over the three pressure control valves 6, 7 and 33.
- the device 9 provided here for actuation pressure-dependent control of the base pressure control valve 8 has, in addition to the first double ball check valve 25, a second double ball check valve 34, so that the base pressure control valve 8 also with respect to the third actuation pressure 32 of the switching system 31 can be controlled.
- the two double ball check valves 25 and 34 are in this case connected in series in a cascade, so that structurally extremely simple always the highest temporarily required actuating pressure 17, 18 or 32 act on the base pressure control valve 8 and thus a corresponding hydraulic base pressure 16 can adjust.
- the two actuating pressures 17 and 18 of the pressure regulating valves 6 and 7 are directly compared with each other by means of the first double ball check valve 25.
- the higher actuating pressure 17 or 18 is then compared by means of the second double ball check valve 34 with the third operating pressure 32 of the third pressure control valve 33.
- the higher actuating pressure in this last comparison then controls the basic pressure regulating valve 8 and thus also the hydraulic basic pressure 16 of the hydraulic control device 2.
- the device 9 for actuating pressure-dependent control of the basic pressure regulating valve 8 thus forms with the first double ball check valve 25 and the second double-ball check valve 34 a cascade control device.
- the two double ball check valves 25 and 34 on the hydraulic control device 2 of the third exemplary embodiment 40 are hydraulically connected in parallel to one another.
- Advantageously can be prevented by the present paralle- Ie interconnection that balls of the two double ball check valves 25 and 34 unintentionally leave their respective seat. This could cause small printing errors on the clutches 3 and 4.
- the hydraulic control device 2 of the third embodiment 40 ( Figure 3) has the same structure as the hydraulic control device 2 of the second embodiment 30 ( Figure 2), so that in a second Description of this structure is omitted.
- the device 9 for actuating pressure-dependent control of the base pressure regulating valve 8 is constructed in such a way that the first actuating pressure 17 with respect to the first clutch 3 and the third actuating pressure 32 are produced by means of the second double ball check valve 34 with respect to the switching system 31 can be compared directly with each other.
- the higher actuation pressure determined in this case is then hydraulically switched through to the first double-ball check valve 25 and hydraulically compared therewith with the second actuation pressure 18 with respect to the second clutch 4, whereby the higher actuation pressure determined in this case can act hydraulically on the base pressure control valve 8.
- the two double-ball check valves 25 and 34 are connected in series, but in this case the two pressure control valves 6 and 33 on the output side 19 are connected directly to each other by means of the second double-ball check valve 34.
- the advantages of the third embodiment 40 can be combined with the additional possibility that an independent pressure control with respect to the two pressure control valves 6 and 7 can be carried out even if the operating pressure 32 of the pressure control valve 33 is smaller than the actuation pressures 17 and 18 of the two Pressure control valves 6 and 7.
- the hydraulic control device 2 according to the fourth embodiment 50 ( Figure 4) is a particularly preferred variant when three pressure control valves 6, 7 and 33 are used.
- the hydraulic control device 2 has, in addition to the switching system 31, a further switching system 61, which is preceded by a fourth pressure regulating valve 62 of the control unit 5.
- a fourth pressure control valve 62 By means of the fourth pressure control valve 62, a fourth actuation pressure 63 can be specified.
- the two pressure control valves 33 and 62 are hydraulically connected to each other by means of a third double ball check valve 64.
- the two correspondingly predetermined actuating pressures 32 and 63 are compared with each other by means of the third double-ball check valve 64, wherein the higher actuating pressure to the second double-ball check valve 34 hydraulically switched through and there with the first actuating pressure 17 of the first Pressure control valve 6 is compared.
- the higher actuation pressure determined therefrom is hydraulically switched through to the first double ball check valve 25 and compared there with the second actuation pressure 18 of the second pressure control valve 7.
- the higher actuation pressure determined in this case controls the basic pressure control valve 8 and thus also the basic hydraulic pressure 16.
- the device 9 for an actuation pressure-dependent control of the base pressure control valve 8 thus has a total of three double ball check valves 25, 34 and 64, which are connected in cascade with each other. This results inter alia in the advantages with respect to the fourth embodiment 50 with the further possibility of additionally using a fourth pressure regulating valve 62.
- the cascade of double ball check valves 25, 34 and 64 shown in FIG. 5 could also have a different structure.
- the valve 64 could be used to compare the actuation pressures 63 and 17 while the valve 34 compares the actuation pressures 18 and 32 with one another.
- the valves 64 and 34 could then be coupled via the valve 25. This shows that the four actuation pressures 17, 18, 32, 63 can be compared with one another via the valves 25, 34, 64 and their cascade arrangement.
- the double-ball-check valves 25, 34 and 64 are change-over valves in which there is the danger that at the same actuating pressures of, for example, the clutches 3, 4 (see FIG. 1) these are not hydraulically separated from one another which can be problematic.
- Figure 6 shows schematically another embodiment 65 for a shuttle valve, which assumes a mean shift position when the actuation pressures 17, 18 of the clutches 3, 4 are the same size. In the middle shift position, the clutches 3, 4 are securely separated from each other. In the switching position shown in Figure 6, the actuation pressure 17 is greater than the actuation pressure 18, so that the larger actuation pressure 17 is switched through to the base pressure valve 8.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/378,315 US9068648B2 (en) | 2009-06-26 | 2010-06-28 | Automated transmission and method for operating an automated transmission |
CN201080028817.XA CN102803793B (zh) | 2009-06-26 | 2010-06-28 | 自动化变速器和用于运行自动化变速器的方法 |
JP2012516778A JP2012530889A (ja) | 2009-06-26 | 2010-06-28 | 自動変速機及び自動変速機を動作させるための方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102009030749.4A DE102009030749B4 (de) | 2009-06-26 | 2009-06-26 | Automatisiertes Getriebe und Verfahren zum Betreiben eines automatisierten Getriebes |
DE102009030749.4 | 2009-06-26 |
Publications (1)
Publication Number | Publication Date |
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WO2010149797A1 true WO2010149797A1 (de) | 2010-12-29 |
Family
ID=42667885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2010/059158 WO2010149797A1 (de) | 2009-06-26 | 2010-06-28 | Automatisiertes getriebe und verfahren zum betreiben eines automatisierten getriebes |
Country Status (5)
Country | Link |
---|---|
US (1) | US9068648B2 (de) |
JP (1) | JP2012530889A (de) |
CN (1) | CN102803793B (de) |
DE (1) | DE102009030749B4 (de) |
WO (1) | WO2010149797A1 (de) |
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CN102767617A (zh) * | 2012-07-18 | 2012-11-07 | 四川大学 | 一种液压换档压力控制阀 |
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DE102012110746B4 (de) * | 2012-11-09 | 2020-01-30 | Getrag Ford Transmissions Gmbh | Verfahren zum Betreiben eines automatisierten Doppelkupplungsgetriebes in einem Kraftfahrzeug |
DE102013221658A1 (de) * | 2013-10-24 | 2015-04-30 | Zf Friedrichshafen Ag | Hydrauliksystem einer Getriebevorrichtung mit einem Schmierkreislauf |
CN104534080B (zh) * | 2014-12-03 | 2018-01-05 | 上海瑞迪汽车科技有限公司 | 一种汽车变速箱液压控制系统和方法 |
DE102015222745A1 (de) * | 2015-11-18 | 2017-05-18 | Robert Bosch Gmbh | Ventil mit Stromregel- und Druckbegrenzungsfunktion |
US10041586B2 (en) * | 2016-03-24 | 2018-08-07 | GM Global Technology Operations LLC | Method and apparatus for transmission range monitoring |
US10047860B2 (en) * | 2016-06-02 | 2018-08-14 | GM Global Technology Operations LLC | Pump switching control systems and methods for continuously variable transmissions |
US9970540B2 (en) * | 2016-06-02 | 2018-05-15 | GM Global Technology Operations LLC | Transmission fluid pressure control systems and methods for continuously variable transmissions |
WO2018097182A1 (ja) * | 2016-11-22 | 2018-05-31 | アイシン・エィ・ダブリュ株式会社 | 係合制御装置 |
US10571016B2 (en) | 2018-01-03 | 2020-02-25 | GM Global Technology Operations LLC | Electronic transmission range selection for a continuously variable transmission |
CN113915325B (zh) * | 2021-09-28 | 2023-09-12 | 江苏常发农业装备股份有限公司 | 全动力换挡变速箱液压及润滑系统及变速箱 |
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- 2010-06-28 WO PCT/EP2010/059158 patent/WO2010149797A1/de active Application Filing
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CN102767617A (zh) * | 2012-07-18 | 2012-11-07 | 四川大学 | 一种液压换档压力控制阀 |
CN102767617B (zh) * | 2012-07-18 | 2015-06-24 | 四川大学 | 一种液压换档压力控制阀 |
Also Published As
Publication number | Publication date |
---|---|
CN102803793B (zh) | 2015-06-17 |
JP2012530889A (ja) | 2012-12-06 |
US9068648B2 (en) | 2015-06-30 |
US20120144940A1 (en) | 2012-06-14 |
CN102803793A (zh) | 2012-11-28 |
DE102009030749A1 (de) | 2011-01-05 |
DE102009030749B4 (de) | 2017-08-10 |
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