CN104074961B - The method of the gear shift of auto-manual transmission in control vehicle - Google Patents
The method of the gear shift of auto-manual transmission in control vehicle Download PDFInfo
- Publication number
- CN104074961B CN104074961B CN201310329436.0A CN201310329436A CN104074961B CN 104074961 B CN104074961 B CN 104074961B CN 201310329436 A CN201310329436 A CN 201310329436A CN 104074961 B CN104074961 B CN 104074961B
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- Prior art keywords
- vehicle
- clutch
- driver
- shift
- auto
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- 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.)
- Expired - Fee Related
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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
- 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
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
- F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/60—Inputs being a function of ambient conditions
- F16H59/66—Road conditions, e.g. slope, slippery
-
- 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
- F16H61/14—Control of torque converter lock-up clutches
-
- 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
- F16H61/21—Providing engine brake control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2300/00—Purposes or special features of road vehicle drive control systems
- B60Y2300/18—Propelling the vehicle
- B60Y2300/18008—Propelling the vehicle related to particular drive situations
- B60Y2300/18066—Coasting
- B60Y2300/18083—Coasting without torque flow between driveshaft and engine, e.g. with clutch disengaged or transmission in neutral
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
- F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
- F16H2059/186—Coasting
-
- 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
- F16H61/14—Control of torque converter lock-up clutches
- F16H61/143—Control of torque converter lock-up clutches using electric control means
- F16H2061/145—Control of torque converter lock-up clutches using electric control means for controlling slip, e.g. approaching target slip value
-
- 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
- F16H61/682—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 with interruption of drive
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The present invention provides a kind of method for the gear shift for controlling the auto-manual transmission in vehicle, wherein, during vehicle downhill running, the acceleration and deceleration of vehicle can be optionally obtained according to the wish of driver, the driving performance of vehicle is thus substantially improved.
Description
Technical field
Controlled the present invention relates generally to one kind during downhill running (downhill creep running) in vehicle
The method of the gear shift of auto-manual transmission (AMT).
Background technology
In general, auto-manual transmission (AMT) is automanual speed changer, and it is configured so that traditional manual change
Su Qi mechanisms change gear automatically.The AMT performs operation and selection and the gearshift behaviour of clutch using actuator automatically
Make, the clutch supply speed changer is inputted to the power of speed changer from engine, and the selection and gear-change operation are substantially held
The gear shift of row in the transmission.
Dual-clutch transmission (DCT) is to include two clutches to input to the power of speed changer from engine to interrupt
Speed changer, therefore actually it belongs to AMT.
The vehicle for installing DCT controls the acceleration of vehicle under the slip control of clutch.Herein, start if vehicle is utilized
The idle running power of machine is travelled, then the transport condition is referred to as " sliding ", it is typically kept by suitably slip-clutch
Predetermined target velocity.
When the vehicle for being mounted with AMT (such as DCT) is being slided along downhill path, can by two following methods come
Adjust clutch:If vehicle reaches target velocity, releasing clutch;And clutch is combined, rather than allow clutch to slide
It is dynamic, and cause engine braking.
From the viewpoint of driver, when being slided along the downhill path of light grade, its wish clutch disable or
Traveling is completed during releasing, because the speed of vehicle quickly increases, therefore it can realize the sensation of acceleration.But,
On the downhill path of heavy grade, if vehicle is travelled when clutch is disabled, the speed of vehicle will quickly increase, therefore
Driver is needed continually to reduce the speed of vehicle, and inconvenience is brought and uneasy to driver.
What is provided is merely intended to understand the background of the present invention on description of related art, therefore it should not be by this area
Technical staff is construed to recognized correlation technique.
The content of the invention
Therefore, the present invention already allows for the above mentioned problem produced in the related art, and the present invention is directed to propose one
The method of the gear shift of auto-manual transmission (AMT) in kind control vehicle, wherein, during vehicle downhill running, Neng Gougen
The acceleration and deceleration of vehicle are optionally obtained according to the wish of driver, the driving performance of vehicle is thus substantially improved.
In order to achieve the above object, according to an aspect of the present invention, the auto-manual transmission (AMT) in control vehicle
The method of gear shift include:First stage, determine whether vehicle is in downhill running pattern;Second stage, if vehicle is in
Downhill running pattern, then determine the wish of driver to obtain acceleration of the vehicle along downhill path also using the actuation unit of vehicle
It is the deceleration for obtaining vehicle along downhill path;Phase III, if it is determined that the wish of driver is the acceleration of vehicle, then disable or
Release AMT clutch;And fourth stage, if it is determined that the wish of driver is the deceleration of vehicle, then activates or combine
AMT clutch, into bonding state.
According to the present invention, during vehicle downhill running, vehicle can optionally be obtained according to the wish of driver
Accelerate and slow down, thus substantially improve the driving performance of vehicle.
Brief description of the drawings
Above and other purpose, the spy of the present invention will be more clearly understood according to the detailed description later in conjunction with accompanying drawing
Levy and advantage, in the drawings:
Fig. 1 is the flow chart of the example process of the method for the gear shift for controlling the auto-manual transmission (AMT) in vehicle,
According to embodiment of the present invention, it is applied to dual-clutch transmission (DCT);
Fig. 2 is display deactivation as shown in Figure 1 or the curve map of the gear for the clutch for releasing AMT;And
Fig. 3 is display activation as shown in Figure 1 or combines the curve map that clutch enters the gear of bonding state.
Embodiment
The preferred embodiments of the invention will be more specifically quoted now, and the embodiment party is shown in appended accompanying drawing
The example of case.
Referring to figs. 1 to Fig. 3, the method for the gear shift of the auto-manual transmission (AMT) in control vehicle includes:First stage
(S100), determine whether vehicle is in downhill running pattern;Second stage (S110), if vehicle is in downhill running pattern,
The wish of driver is then determined using the actuation unit of vehicle and still obtains vehicle edge to obtain acceleration of the vehicle along downhill path
The deceleration in downhill path;Phase III (S120), it is used as second stage (S110) result, if it is determined that the wish of driver is
The acceleration of vehicle, then disable AMT clutch, into the state of releasing;And fourth stage (S130), it is used as second stage
(S110) result, if it is determined that the wish of driver is the deceleration of vehicle, then activates AMT clutch, into combining shape
State.
That is, during vehicle downhill running, there is no stepping on accelerator pedal in driver so that vehicle is with sliding mode
In the case of operation, actuation unit or selection phase III (S120) that driver can be set by operating in vehicle,
So that vehicle accelerates, or selection fourth stage (S130) so that the speed reduction of vehicle.In other words, this method can be real
The existing vehicle running state of the optimization consistent with the wish of driver.
In the first stage in (S100), pass through the signal of the similar devices from inclination sensor or in vehicle
To determine descent run pattern, and determine that driver produces by the signal from accelerator pedal sensor or similar devices
The displacement of raw accelerator pedal.Herein, if it is determined that driving mode is descent run pattern, and driver do not step on plus
Speed pedal, then current state be confirmed as downhill running pattern.
In second stage (S110), the wish of driver, the actuation unit are determined using the actuation unit of vehicle
It may include the shift bar or mode selection switch being separately provided.
If for example, actuation unit is shift bar, driver is determined by checking the shift gear of driver's selection
Wish.Especially, according to embodiment, if shift bar is located at D grades, it is determined that driver wants vehicle and accelerated, and such as
Fruit shift bar is located at manual, it is determined that driver wants vehicle deceleration.Fig. 1 shows the implementation of the vehicle suitable for installing DCT
The example of scheme.
Alternatively, if actuation unit be mode selection switch, then second stage (S110) perform be by check by
The operational mode of the switch of driver's selection determines the wish of the acceleration or deceleration of the relevant vehicle of driver.
Meanwhile, during the phase III (S120), if driver's stepping on accelerator pedal, perform and shifting into target gear
The stage (140) of corresponding clutch is activated when (the target gear depends on Current vehicle speed).
That is, during the phase III (S130), if driver's stepping on accelerator pedal, can determine that driver has
The wish of active accelerating vehicle, thus this method perform the stage (S140) with complete to release clutch control action so that
Vehicle with nominal conditions by the power drive from engine.
Herein, corresponding clutch represent to be connected to target gear it is set in input shaft clutch.Due to AMT tools
There is single clutch, therefore corresponding clutch represents single clutch.However, in the case of DCT, corresponding clutch
Device represent to be connected to target gear it is set in input shaft two clutches in one.
During the stage (S140), in the case where vehicle installs DCT, if driver's stepping on accelerator pedal, carry out single
Individual clutch shift so that when target gear is shifted into, the one of the input shaft being connected on target gear side
Individual clutch is combined, and another clutch keeps releasing state.
In fig. 2, A segment tables show the phase III (S120), and B segment tables show single clutch shift is performed in DCT
Stage (S140), and C segment tables show the normally travel state of traditional installation DCT vehicle, are changed wherein performing double clutch
Shelves.
That is, at A sections, during the stage (S120), DCT two clutches are all in the power from engine
Cut-off releasing state so that the speed increase of vehicle is unrelated with the speed of engine.At B sections, because driver steps on acceleration
Pedal, performs the stage (S140), to complete the control action for releasing clutch.Therefore, in A sections and B sections, single clutch is performed
Device gear shift.
At fourth stage (S130), perform control action and to shift into depending on Current vehicle objective speed shelves in execution
When position, clutch is deactivated or released, and is activated or combines again afterwards, and keeps.
During fourth stage (S130), if vehicle is installs DCT vehicle, when according to the progress gear shift of target gear
When, double clutch gear shift is performed, wherein the clutch of the gear before being connected to is released from, and new target gear is connected to
Another clutch be combined.
Fig. 3 is shown in the fourth stage (S130) for the vehicle for installing DCT, wherein at D sections, first clutch, which is connected to, to be started
Machine so that the speed of first clutch keeps identical with the speed of engine, and due to the speed increase of vehicle, the company of being shifted to
It is connected to the higher gear of second clutch.Herein, double clutch gear shift is carried out, wherein when first clutch is released from
Wait, the second clutch is combined so that after gear shift, clutch wherein any one continuously remain attached to the knot of engine
Conjunction state, thus constantly provides the effect of engine braking action.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, but persons skilled in the art
It should be appreciated that various modifications, to increase and delete be possible, without departing from model of the invention disclosed in the accompanying claims
Enclose and spirit.
Claims (7)
1. a kind of method of the gear shift of the auto-manual transmission in control vehicle, including:
First stage, determine whether vehicle is in downhill running pattern;
Second stage, if vehicle is in downhill running pattern, the wish of driver is determined using the actuation unit of vehicle
To obtain acceleration or acquisition vehicle deceleration along downhill path of the vehicle along downhill path;
Phase III, it is used as the result of the second stage, if it is determined that the wish of driver is the acceleration of vehicle, then disables
The clutch of auto-manual transmission, into the state of releasing;And
Fourth stage, be used as the result of the second stage, if it is determined that the wish of driver is the deceleration of vehicle, then activates
The clutch of auto-manual transmission, into bonding state.
2. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 1, wherein, described the
Two-stage, the wish of driver is determined by checking the shift gear of the shift bar selected by driver, if wherein described
Shift bar is located at D grades, it is determined that driver wants vehicle and accelerated, and if the shift bar is positioned at manual, it is determined that drive
The person of sailing wants vehicle deceleration.
3. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 1, wherein, described the
Two-stage, determined by checking the operational mode of the mode selection switch selected by driver driver relevant vehicle plus
Speed or the wish slowed down, the mode selection switch are provided separately within vehicle.
4. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 1, wherein, in the 3rd rank
Section during, if driver's stepping on accelerator pedal, further perform additional phase, the additional phase shift into depending on work as
When the target gear of vehicle in front speed, corresponding clutch is activated.
5. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 4, wherein, described attached
Plus during the stage, if the vehicle is the vehicle for installing dual-clutch transmission, when driver's stepping on accelerator pedal, carry out
Single clutch shift so that when the target gear is shifted into, is connected on the target gear side
One clutch of input shaft is combined, and another clutch keeps releasing state.
6. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 4, wherein, described the
Four stages, perform control action cause perform shift into the target gear depending on Current vehicle speed when, it is described from
Clutch is deactivated or released, and is activated or combines again afterwards, and keeps.
7. the method for the gear shift of the auto-manual transmission in control vehicle according to claim 6, wherein, described the
Four stages, if the vehicle is installs the vehicle of dual-clutch transmission, when carrying out gear shift according to the target gear,
Double clutch gear shift is performed, the clutch of the gear before being connected in the double clutch is released from, and is connected to new
Another clutch of target gear is combined.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0033170 | 2013-03-28 | ||
KR1020130033170A KR101470138B1 (en) | 2013-03-28 | 2013-03-28 | Shift control method for vehicle with amt |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104074961A CN104074961A (en) | 2014-10-01 |
CN104074961B true CN104074961B (en) | 2017-10-31 |
Family
ID=51519675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201310329436.0A Expired - Fee Related CN104074961B (en) | 2013-03-28 | 2013-07-31 | The method of the gear shift of auto-manual transmission in control vehicle |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR101470138B1 (en) |
CN (1) | CN104074961B (en) |
DE (1) | DE102013108140A1 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015206919A1 (en) * | 2015-04-16 | 2016-10-20 | Ford Global Technologies, Llc | Electric motor vehicle and operating method for an electric motor vehicle |
US9650047B2 (en) * | 2015-04-23 | 2017-05-16 | Ford Global Technologies, Llc | Method of operating a transmission clutch |
CN109139904B (en) * | 2017-07-01 | 2019-12-17 | 董润 | automatic vehicle gear shifting device and working method thereof |
KR101988134B1 (en) | 2017-12-05 | 2019-06-11 | 현대자동차주식회사 | Shift control method for vehicle with amt |
KR102507271B1 (en) | 2018-12-27 | 2023-03-08 | 현대트랜시스 주식회사 | Creep control method for vehicle |
US11181174B2 (en) | 2019-11-07 | 2021-11-23 | Hyundai Motor Company | Powertrain for electric vehicle |
US11927253B2 (en) | 2019-11-07 | 2024-03-12 | Hyundai Motor Company | Powertrain for electric vehicle |
KR20210074522A (en) | 2019-12-12 | 2021-06-22 | 현대자동차주식회사 | Power train for electric vehicle |
KR20210074521A (en) | 2019-12-12 | 2021-06-22 | 현대자동차주식회사 | Power train for electric vehicle |
KR20210074520A (en) | 2019-12-12 | 2021-06-22 | 현대자동차주식회사 | Power train for electric vehicle |
KR20210119149A (en) | 2020-03-24 | 2021-10-05 | 현대자동차주식회사 | Power train for electric vehicle |
KR102424448B1 (en) | 2020-11-03 | 2022-07-22 | 현대자동차주식회사 | Shift conrtol method for vehicle |
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CN1833127A (en) * | 2003-07-31 | 2006-09-13 | Zf腓德烈斯哈芬股份公司 | Method for operating an automatic gearbox on a motor vehicle |
CN101263036A (en) * | 2005-09-08 | 2008-09-10 | 沃尔沃拉斯特瓦格纳公司 | Method for activating a freewheel function in a vehicle |
CN101663188A (en) * | 2007-04-20 | 2010-03-03 | 沃尔沃拉斯特瓦格纳公司 | Method for increasing active duration time of an automatic freewheeling function in a vehicle |
CN102951154A (en) * | 2011-08-16 | 2013-03-06 | 福特全球技术公司 | A method of controlling a motor vehicle |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005133824A (en) * | 2003-10-30 | 2005-05-26 | Hino Motors Ltd | Automatic clutch control device |
JP2007051764A (en) * | 2005-07-20 | 2007-03-01 | Kanzaki Kokyukoki Mfg Co Ltd | Working vehicle |
WO2010128898A1 (en) * | 2009-05-08 | 2010-11-11 | Volvo Lastvagnar Ab | Method and device for controlling an automatic freewheeling function in a vehicle |
-
2013
- 2013-03-28 KR KR1020130033170A patent/KR101470138B1/en active IP Right Grant
- 2013-07-30 DE DE102013108140.1A patent/DE102013108140A1/en not_active Withdrawn
- 2013-07-31 CN CN201310329436.0A patent/CN104074961B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1833127A (en) * | 2003-07-31 | 2006-09-13 | Zf腓德烈斯哈芬股份公司 | Method for operating an automatic gearbox on a motor vehicle |
CN101263036A (en) * | 2005-09-08 | 2008-09-10 | 沃尔沃拉斯特瓦格纳公司 | Method for activating a freewheel function in a vehicle |
CN101663188A (en) * | 2007-04-20 | 2010-03-03 | 沃尔沃拉斯特瓦格纳公司 | Method for increasing active duration time of an automatic freewheeling function in a vehicle |
CN102951154A (en) * | 2011-08-16 | 2013-03-06 | 福特全球技术公司 | A method of controlling a motor vehicle |
Also Published As
Publication number | Publication date |
---|---|
KR101470138B1 (en) | 2014-12-05 |
KR20140118028A (en) | 2014-10-08 |
DE102013108140A1 (en) | 2014-10-02 |
CN104074961A (en) | 2014-10-01 |
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