CN105673836B - The shifting control system of automatic transmission - Google Patents
The shifting control system of automatic transmission Download PDFInfo
- Publication number
- CN105673836B CN105673836B CN201410657662.6A CN201410657662A CN105673836B CN 105673836 B CN105673836 B CN 105673836B CN 201410657662 A CN201410657662 A CN 201410657662A CN 105673836 B CN105673836 B CN 105673836B
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure
- gear
- switching valve
- gear switching
- 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.)
- Active
Links
Landscapes
- Control Of Transmission Device (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
A kind of shifting control system of automatic transmission, including main pump, four shift cylinders, gearshift control valve, the first gear switching valve, the second gear switching valve, the first gear on-off valve and the second gear on-off valve；Gearshift control valve has pressure introduction port and two pressure outputs, and the first gear switching valve has two pressure introduction ports and four pressure outputs, and the second gear switching valve has two pressure introduction ports and four pressure outputs；First gear on-off valve is connected between the first gear switching valve and gearshift control valve, to disconnect or connect gearshift control valve and the first gear switching valve；Second gear on-off valve is connected between the second gear switching valve and gearshift control valve, to disconnect or connect gearshift control valve and the second gear switching valve；Four pressure outputs of the first gear switching valve and four pressure outputs of the second gear switching valve are connected with four shift cylinders.
Description
Technical field
The present invention relates to the technical field of the automatic transmission of automobile, more particularly, to a kind of gearshift control of automatic transmission
System processed.
Background technology
With the development of science and technology automobile realizes that the mode of speed change is gradually developed by hand gear towards fluid drive, automatically
Speed change is realized by automatic transmission.Wherein, double-clutch automatic gearbox due to advantages such as transmission efficiency height and
The welcome in market is received, two clutches are employed in double-clutch automatic gearbox, one of clutch is used to control very
Number gear, and another clutch is used to control even number gear, by automatically switching between two clutches so as to complete to change
Program is kept off, therefore the power shifting of shift process can be realized, i.e., interrupts power in shift process, improves vehicle operation
Comfortableness.
Automatic transmission is when realizing self shifter, it is necessary to which this system parts of gear shifting actuating mechanism, it is real that it, which is acted on,
Existing automatic gear change function, it is more at present to use fluid pressure type gear shifting actuating mechanism.Gearshift generally by be keyed to reference axis and
The synchronizer rotated with is completed, and the unilateral or bilateral of synchronizer is provided with the gear that can provide different drive ratios, is held in gearshift
In the presence of row mechanism, synchronizer, which is struck, to be moved in the axial direction and is engaged with neighbouring gear, by gear be connected on axle from
And realize that gear is synchronous with axle, so as to export power.
Current automatic transmission is more to use eight gears (including reversing gear), and gearshift is performed using shifting control system
Mechanism is controlled, to complete the gear shift operation of eight gears.In the prior art, in order to realize the gearshift control of automatic transmission
System and safety control function, the shifting control system typically employ greater number of guiding valve and magnetic valve, make system become compared with
For complexity, the less efficient of control is driven.
The content of the invention
It is an object of the invention to provide a kind of shifting control system of automatic transmission, to realize in spool control valve and electricity
In the case that the quantity of magnet valve is lacked as far as possible, gearshift control and the safety control function of automatic transmission are realized.
The embodiment of the present invention provides a kind of shifting control system of automatic transmission, including main pump and four shift cylinders,
The shifting control system also includes：
Gearshift control valve, the gearshift control valve have pressure introduction port and two pressure outputs, and the gearshift control valve can
Switch between the first operating position and the second operating position, when the gearshift control valve is in the first operating position, the pressure is defeated
Connect one of in two pressure outputs of entrance and this, when the gearshift control valve is in the second operating position, the pressure
Wherein another in two pressure outputs in input port and this connects；
First gear switching valve, the first gear switching valve have two pressure introduction ports and four pressure outputs,
The first gear switching valve can switch between the first operating position and the second operating position, and the first gear switching valve is in the
During one operating position, two pressure introduction ports of the first gear switching valve, four pressure with the first gear switching valve respectively
Two of which pressure output connection in delivery outlet, when the first gear switching valve is in the second operating position, the first gear
Position switching valve two pressure introduction ports respectively with four pressure outputs of the first gear switching valve two other pressure
Power delivery outlet connects；
Second gear switching valve, the second gear switching valve have two pressure introduction ports and four pressure outputs,
The second gear switching valve can switch between the first operating position and the second operating position, and the second gear switching valve is in the
During one operating position, two pressure introduction ports of the second gear switching valve, four pressure with the second gear switching valve respectively
Two of which pressure output connection in delivery outlet, when the second gear switching valve is in the second operating position, the second gear
Position switching valve two pressure introduction ports respectively with four pressure outputs of the second gear switching valve two other pressure
Power delivery outlet connects；
First gear on-off valve, the first gear on-off valve be connected to the first gear switching valve and the gearshift control valve it
Between, the first gear on-off valve can switch between a closed position and a open position, and the first gear on-off valve is in close stance
When putting, two pressure outputs, two pressure introduction ports disconnection with the first gear switching valve respectively of the gearshift control valve,
When the first gear on-off valve is in an open position, two pressure outputs of the gearshift control valve are cut with first gear respectively
Change two pressure introduction ports connection of valve；And
Second gear on-off valve, the second gear on-off valve be connected to the second gear switching valve and the gearshift control valve it
Between, the second gear on-off valve can switch between a closed position and a open position, and the second gear on-off valve is in close stance
When putting, two pressure outputs, two pressure introduction ports disconnection with the second gear switching valve respectively of the gearshift control valve,
When the second gear on-off valve is in an open position, two pressure outputs of the gearshift control valve are cut with second gear respectively
Change two pressure introduction ports connection of valve；
Wherein, four pressure outputs of the first gear switching valve are shifted gears with the two of which in four shift cylinders
Oil cylinder is connected, four pressure outputs of the second gear switching valve and two other shift cylinder in four shift cylinders
It is connected.
In the embodiment of the present invention, by the gearshift control valve in shifting control system, the first gear switching valve, second gear
Position switching valve, the first gear on-off valve and the second gear on-off valve are controlled, you can are realized to (seven advances of eight speed
Gear and one reverse gear) automatic transmission automatic gear change function, simplified the quantity of element in system significantly so that controlling
In the case that the quantity of guiding valve and magnetic valve is lacked as far as possible, gearshift control and the safety control function of automatic transmission are realized, is made
System becomes simpler, is driven the more efficient of control.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Brief description of the drawings
Fig. 1 is the principle sketch of the shifting control system of automatic transmission in the embodiment of the present invention.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, it is as follows that the present invention is described in detail.
Fig. 1 is the principle sketch of the shifting control system of automatic transmission in the embodiment of the present invention, please join Fig. 1, the gearshift
Control system be used for automatic gearbox, especially double-clutch automatic gearbox in, the shifting control system include main pump 11,
Gearshift control valve 12, the first gear switching valve 13, the second gear switching valve 14, the first gear on-off valve 15, the second gear on-off
Valve 16, odd even selector valve 17, first clutch magnetic valve 18, second clutch magnetic valve 19.
Main pump 11 is via the oil suction from fuel tank 22 of oil absorption filter 21, so as to provide work institute into the shifting control system
The pressure oil needed.In the present embodiment, main pump 11 is driven by the internal combustion engine of automobile, and auxiliary pump is additionally provided with the shifting control system
23, auxiliary pump 23 is driven by motor, and the one side of auxiliary pump 23 can assist main pump 11 in the case of the output oil amount deficiency of main pump 11, separately
On the one hand it can stop in internal combustion engine and the supply of pressure oil in system is therefore ensured in the case of the stopping of main pump 11.Auxiliary pump 23 is same
Sample is via the oil suction from fuel tank 22 of oil absorption filter 21.Fig. 1 multiple opening positions have used fuel tank symbol, and these fuel tank symbols should
It is interpreted as by related pipeline connection to fuel tank 22.
In order to prevent fluid reverse flow, the delivery outlet of main pump 11 is connected with main pump check valve 24, in the present embodiment, main pump
Check valve 24 be hydraulic control check valve, main pump 11 export pressure oil feedback effect main pump check valve 24 control terminal, with to
The anti-spring for being arranged on spring terminal, only when the output pressure of main pump 11 is enough to overcome spring force, the ability of main pump check valve 24 is from Fig. 1
Shown closed position switches to open position, that is to say, that as long as main pump 11 does not set up enough pressure also, main pump is unidirectional
Valve 24 just disconnects the remainder of main pump 11 and the shifting control system.The one side of main pump check valve 24 is used to prevent fluid court
Flowed to the direction of main pump 11, be on the other hand used for the necessary starting characteristic for ensureing main pump 11.It is to be appreciated that main pump is unidirectional
Valve 24 can also be common check valve.
For the maximum pressure in control system, the delivery outlet of main pump check valve 24 is also associated with system safety valve 25, is
System safety valve 25 can be safety overflow valve or common check valve, and in the present embodiment, system safety valve 25 is common check valve,
It is connected between the delivery outlet of main pump check valve 24 and fuel tank 22, the oil inlet of check valve and the delivery outlet of main pump check valve 24
It is connected, the oil-out of check valve is connected with fuel tank 22, by the maximum pressure allowed in check valve initialization system, when in system
When pressure exceedes the maximum pressure, check valve, which is opened, carries out draining.
Gearshift control valve 12 has pressure introduction port 121 and two pressure outputs 122,123 (hereinafter referred to as first pressures
Delivery outlet 122 and second pressure delivery outlet 123), the pressure introduction port 121 for control valve 12 of shifting gears is via main pump check valve 24 and master
Pump 11 is connected.Gearshift control valve 12 can switch between the first operating position and the second operating position, and gearshift control valve 12 is in
During the first operating position, pressure introduction port 121 connects with one of in two pressure outputs 122,123, gearshift control
When valve 12 is in the second operating position, pressure introduction port 121 connects with wherein another in two pressure outputs 122,123.
In the present embodiment, when control valve 12 of shifting gears be in the first operating position (as shown in Figure 1 left position), pressure introduction port 121 and
First pressure delivery outlet 122 connects, and second pressure delivery outlet 123 connects with fuel tank 22；It is in when gearshift control valve 12 switches to
During the second operating position (right position as shown in Figure 1), pressure introduction port 121 connects with second pressure delivery outlet 123, first pressure
Delivery outlet 122 connects with fuel tank 22.That is, by change shift gears control valve 12 operating position, can selectivity general
Pressure oil from main pump 11 is directed on two pressure outputs 122, one of 123.
Control valve 12 of shifting gears can be the solenoid directional control valve or pilot operated directional control valve of side valve type.When gearshift control valve 12 is electromagnetism
During reversal valve, by simply it is electric be switch operation that gearshift control valve 12 can be achieved with dead electricity.Changed in different gears
During gear operation, required gearshift pressure would generally be different, in order to realize the gearshift of two output of pressure outputs 122,123
Pressure can meet the gearshift demand under different gears, in the present embodiment, gearshift control valve 12 using side valve type hydraulic control ratio
Example reversal valve, the shifting control system also include gearshift pressure solenoid valve 26, shift gears pressure solenoid valve 26 pressure output with
The control terminal of gearshift control valve 12 is connected, when pressure solenoid valve 26 of shifting gears is opened, the control of the gearshift output of pressure solenoid valve 26
Pressure acts on the control terminal of gearshift control valve 12, to promote gearshift control valve 12 to carry out switch operation；In addition, gearshift control valve
12 two pressure outputs 122,123 also respectively act on pressure feedback at the both ends of gearshift control valve 12, to pass through gearshift
It is different that pressure solenoid valve 26 realizes that two pressure outputs 122,123 of gearshift control valve 12 export under different gearshift demands
Gearshift pressure.
First gear switching valve 13 has two (hereinafter referred to as Hes of first pressure input port 131 of pressure introduction port 131,132
Second pressure input port 132) and four (hereinafter referred to as first pressure delivery outlets of pressure output 133,134,135,136
133rd, second pressure delivery outlet 134, the 3rd pressure output 135 and the 4th pressure output 136).First gear switching valve 13
It can switch between the first operating position and the second operating position, when the first gear switching valve 13 is in the first operating position, two
Individual pressure introduction port 131,132 respectively with the two of which pressure output in four pressure outputs 133,134,135,136
Connection, when the first gear switching valve 13 is in the second operating position, two pressure introduction ports 131,132 are defeated with four pressure respectively
Two other pressure output connection in outlet 133,134,135,136.In the present embodiment, at the first gear switching valve 13
When the first operating position (as shown in Figure 1 left position), two pressure introduction ports 131,132 respectively with first pressure delivery outlet
133 connect with the 3rd pressure output 135, and the pressure output 136 of second pressure delivery outlet 134 and the 4th is communicated to fuel tank
22；When the first gear switching valve 13 is in the second operating position (right position as shown in Figure 1), two pressure introduction ports 131,
132 are connected with the pressure output 136 of second pressure delivery outlet 134 and the 4th respectively, and first pressure delivery outlet 133 and the 3rd is pressed
Power delivery outlet 135 is communicated to fuel tank 22.That is, the operating position by changing the first gear switching valve 13, can be selected
Property first pressure input port 131 is connected with first pressure delivery outlet 133 or second pressure delivery outlet 134, and selectivity
Second pressure input port 132 is connected with the 3rd pressure output 135 or the 4th pressure output 136.
Second gear switching valve 14 has two (hereinafter referred to as Hes of first pressure input port 141 of pressure introduction port 141,142
Second pressure input port 142) and four (hereinafter referred to as first pressure delivery outlets of pressure output 143,144,145,146
143rd, second pressure delivery outlet 144, the 3rd pressure output 145 and the 4th pressure output 146).Second gear switching valve 14
It can switch between the first operating position and the second operating position, when the second gear switching valve 14 is in the first operating position, two
Individual pressure introduction port 141,142 respectively with the two of which pressure output in four pressure outputs 143,144,145,146
Connection, when the second gear switching valve 14 is in the second operating position, two pressure introduction ports 141,142 are defeated with four pressure respectively
Two other pressure output connection in outlet 143,144,145,146.In the present embodiment, at the second gear switching valve 14
When the first operating position (as shown in Figure 1 right position), two pressure introduction ports 141,142 respectively with first pressure delivery outlet
143 connect with the 3rd pressure output 145, and the pressure output 146 of second pressure delivery outlet 144 and the 4th is communicated to fuel tank
22；When the second gear switching valve 14 is in the second operating position (left position as shown in Figure 1), two pressure introduction ports 141,
142 are connected with the pressure output 146 of second pressure delivery outlet 144 and the 4th respectively, and first pressure delivery outlet 143 and the 3rd is pressed
Power delivery outlet 145 is communicated to fuel tank 22.That is, the operating position by changing the second gear switching valve 14, can be selected
Property first pressure input port 141 is connected with first pressure delivery outlet 143 or second pressure delivery outlet 144, and selectivity
Second pressure input port 142 is connected with the 3rd pressure output 145 or the 4th pressure output 146.
First gear on-off valve 15 is connected between the first gear switching valve 13 and gearshift control valve 12, the first gear on-off
Valve 15 can switch between a closed position and a open position, when the first gear on-off valve 15 is in the closed position, control valve of shifting gears
12 two pressure outputs 122,123 disconnect with two pressure introduction ports 131,132 of the first gear switching valve 13 respectively；The
When one gear on-off valve 15 is in an open position, two pressure outputs 122,123 of control valve 12 of shifting gears respectively with first gear
Two pressure introduction ports 131,132 of position switching valve 13 connect.In the present embodiment, when the first gear on-off valve 15 is in close stance
When putting (left position as shown in Figure 1), two pressure outputs 122,123 for control valve 12 of shifting gears are in the quilt of the first gear on-off valve 15
Cut-off, two pressure introduction ports 131,132 of the first gear switching valve 13 are communicated to fuel tank 22 via the first gear on-off valve 15,
So as to control valve 12 of shifting gears two pressure outputs 122,123 and the first gear switching valve 13 two pressure introduction ports 131,
132 be off-state；When the first gear on-off valve 15 (right position as shown in Figure 1) in an open position, control valve 12 of shifting gears
Two pressure outputs 122,123 connected respectively with two pressure introduction ports 131,132 of the first gear switching valve 13 one
Rise.
Second gear on-off valve 16 is connected between the second gear switching valve 14 and gearshift control valve 12, the second gear on-off
Valve 16 can switch between a closed position and a open position, when the second gear on-off valve 16 is in the closed position, control valve of shifting gears
12 two pressure outputs 122,123 disconnect with two pressure introduction ports 141,142 of the second gear switching valve 14 respectively；The
When two gear on-off valves 16 are in an open position, two pressure outputs 122,123 of control valve 12 of shifting gears respectively with second gear
Two pressure introduction ports 141,142 of position switching valve 14 connect.In the present embodiment, when the second gear on-off valve 16 is in close stance
When putting (right position as shown in Figure 1), two pressure outputs 122,123 for control valve 12 of shifting gears are in the quilt of the second gear on-off valve 16
Cut-off, two pressure introduction ports 141,142 of the second gear switching valve 14 are communicated to fuel tank 22 via the second gear on-off valve 16,
So as to control valve 12 of shifting gears two pressure outputs 122,123 and the second gear switching valve 14 two pressure introduction ports 141,
142 be off-state；When the second gear on-off valve 16 (left position as shown in Figure 1) in an open position, control valve 12 of shifting gears
Two pressure outputs 122,123 connected respectively with two pressure introduction ports 141,142 of the second gear switching valve 14 one
Rise.
First gear on-off valve 15 and the second gear on-off valve 16 can be specifically the solenoid directional control valve or liquid of side valve type
Control reversal valve.When the first gear on-off valve 15 and the second gear on-off valve 16 are using solenoid directional control valve, by simply it is electric
It is that the switch operation of first gear bit switch valve 15 and the second gear on-off valve 16 can be achieved with dead electricity.In the present embodiment, first gear
The gear on-off valve 16 of bit switch valve 15 and second uses the pilot operated directional control valve of side valve type, and the shifting control system also includes first
The gear magnetic valve 28 of gear magnetic valve 27 and second, the first gear magnetic valve 27 and the second gear magnetic valve 28 are specifically as follows ratio
Example magnetic valve, the first gear magnetic valve 27 can export adjustable first gear control pressure, the energy of the second gear magnetic valve 28
Adjustable second gear control pressure is enough exported, wherein the first gear control pressure acts on the first gear on-off valve 15
The shutdown side 162 of the gear on-off valve 16 of opening end 151 and second, the second gear control pressure act on the second gear on-off valve
The shutdown side 152 of the 16 gear on-off valve 15 of opening end 161 and first, thus, two gear on-off valves 15,16 can be by this
First gear control pressure and the second gear control pressure can also realize interlocking while realizing commutation, improve system safety
Property, i.e.,：When the first gear control pressure of the first gear magnetic valve 27 output makes the first gear on-off valve 15 be in opening
When, the first gear control pressure will be closed simultaneously the second gear on-off valve 16；When the second gear magnetic valve 28
When second gear control pressure of output makes the second gear on-off valve 16 be in opening, the second gear control pressure will be same
When be closed the first gear on-off valve 15.In addition, the gear of shutdown side 152 and second of the first gear on-off valve 15 is opened
Close and further respectively have spring on the shutdown side 162 of valve 16, to utilize two gear on-off valves 15,16 after spring offer shutdown
Reset function.
First gear switching valve 13 and the second gear switching valve 14 can be specifically the solenoid directional control valve or liquid of side valve type
Control reversal valve.When the first gear switching valve 13 and the second gear switching valve 14 are using solenoid directional control valve, by simply it is electric
It is that the switch operation of first gear position switching valve 13 and the second gear switching valve 14 can be achieved with dead electricity.In the present embodiment, first gear
Position switching valve 13 and second gear switching valve 14 uses the pilot operated directional control valve of side valve type, and the first gear switching valve 13 also has the
One control terminal 137 and the second control terminal 138, the first control terminal 137 and the second control terminal 138 are located at the first gear switching valve respectively
13 both ends, the second gear switching valve 14 also have the first control terminal 147 and the second control terminal 148, the first control terminal 147 and
Two control terminals 148 are located at the both ends of the second gear switching valve 14 respectively.First control terminal 137 of the first gear switching valve 13 and
First control terminal 147 of two gear switching valves 14 is connected and is connected to a control oil circuit, and the second of the first gear switching valve 13
Control terminal 138, which is connected with the second control terminal 148 of the second gear switching valve 14 and is connected to another, controls oil circuit.
The shifting control system also includes four shift cylinders 41,42,43,44 (hereinafter referred to as the first shift cylinder 41, the
Two shift cylinders 42, the 3rd shift cylinder 43 and the 4th shift cylinder 44).Four pressure outputs of the first gear switching valve 13
133rd, 134,135,136 are connected with the two of which shift cylinder in four shift cylinders 41,42,43,44, the switching of the second gear
Two other gearshift in four pressure outputs 143,144,145,146 of valve 14 and four shift cylinders 41,42,43,44
Oil cylinder is connected.In the present embodiment, four pressure outputs 133,134,135,136 and first of the first gear switching valve 13 are shifted gears
Oil cylinder 41 is connected with the second shift cylinder 42, four pressure outputs 143,144,145,146 of the second gear switching valve 14 with
3rd shift cylinder 43 is connected with the 4th shift cylinder 44.The first pressure delivery outlet 133 and the 3rd of first gear switching valve 13
Pressure output 135 is respectively connecting to the both ends of the first shift cylinder 41, the second pressure delivery outlet of the first gear switching valve 13
134 and the 4th pressure output 136 be respectively connecting to the both ends of the second shift cylinder 42, the first pressure of the second gear switching valve 14
The pressure output 145 of power delivery outlet 143 and the 3rd is respectively connecting to the both ends of the 3rd shift cylinder 43, the second gear switching valve 14
The pressure output 146 of second pressure delivery outlet 144 and the 4th be respectively connecting to the both ends of the 4th shift cylinder 44.Each gearshift
What oil cylinder was used to driving a corresponding selector fork movement to realize two gears puts into gear or plucks gear, such as the first gearshift is oily
Cylinder 41 is used to control three gears and seven gears, and the second shift cylinder 42 is reversed gear and six gears for control, the 3rd shift cylinder 43 is used
In the gear of control one and five gears, and by the 4th shift cylinder 44 for controlling two gears and four gears, so, by gearshift control
Gearshift control valve 12, the first gear switching valve 13, the second gear switching valve 14, the first gear on-off valve 15 in system and
Two gear on-off valves 16 are controlled, you can are realized to the automatic transmission with eight speed (seven forward gears and one reverse gear)
Automatic gear change function, the quantity of element in system has been simplified significantly so that as few as possible in the quantity of spool control valve and magnetic valve
In the case of, gearshift control and the safety control function of automatic transmission are realized, system is become simpler, control is realized higher
Effect.
Odd even selector valve 17 has pressure introduction port 171, first pressure delivery outlet 172 and second pressure delivery outlet 173, the
First control of the first control terminal 137 and the second gear switching valve 14 of one pressure output 172 and the first gear switching valve 13
End 147 processed is connected, and second pressure delivery outlet 173 is cut with the second control terminal 138 of the first gear switching valve 13 and the second gear
The second control terminal 148 for changing valve 14 is connected.Odd even selector valve 17 can switch between the first operating position and the second operating position,
When odd even selector valve 17 is in the first operating position, pressure introduction port 171 connects with first pressure delivery outlet 172, odd even selection
When valve 17 is in the second operating position, pressure introduction port 171 connects with second pressure delivery outlet 173.In the present embodiment, work as odd even
When selector valve 17 is in the first operating position (right position as shown in Figure 1), pressure introduction port 171 and first pressure delivery outlet 172
Connection, second pressure delivery outlet 173 connect with fuel tank 22；When odd even selector valve 17 is switched in second operating position (such as Fig. 1
Shown left position) when, pressure introduction port 171 connects with second pressure delivery outlet 173, first pressure delivery outlet 172 and fuel tank 22
Connection.
In the present embodiment, odd even selector valve 17 is the pilot operated directional control valve of side valve type, and the both ends of odd even selector valve 17 have respectively
There are the first control terminal 175 and the second control terminal 176, first clutch magnetic valve 18 has pressure introduction port 181 and pressure output
Mouth 182, the pressure output 182 of first clutch magnetic valve 18 is connected with the first control terminal 175 of odd even selector valve 17.First
When clutch solenoid valve 18 is opened, pressure introduction port 181 connects with pressure output 182, and first clutch magnetic valve 18 exports
Control pressure act on the first control terminal 175 of odd even selector valve 17, promote the commutation of odd even selector valve 17 to be at second
Operating position (left position as shown in Figure 1).
Second clutch magnetic valve 19 has pressure introduction port 191 and pressure output 192, second clutch magnetic valve 19
Pressure output 192 be connected with the second control terminal 176 of odd even selector valve 17.When second clutch magnetic valve 19 is opened, pressure
Power input port 191 connects with pressure output 192, and the control pressure that second clutch magnetic valve 19 exports acts on odd even selection
Second control terminal 176 of valve 17, the commutation of odd even selector valve 17 is promoted to be at the first operating position (right side as shown in Figure 1
Position).Wherein, first clutch magnetic valve 18 is used for the engagement for controlling first clutch (not shown), second clutch magnetic valve
19 engagement for controlling second clutch (not shown), the pressure introduction port 171 of odd even selector valve 17, first clutch electromagnetism
The pressure introduction port 181 of valve 18 and the pressure introduction port 191 of second clutch magnetic valve 19 are connected with main pump 11.
When first clutch magnetic valve 18 is opened, odd even selector valve 17 will be made to be in the second operating position (as shown in Figure 1
Left position), now the pressure introduction port 171 of odd even selector valve 17 is connected with second pressure delivery outlet 173, odd even selector valve 17
The second control terminal 148 of the second control terminal 138 to the first gear switching valve 13 and the second gear switching valve 14 applies control simultaneously
Pressing pressure, the first gear switching valve 13 is set to switch to the second operating position (right position as shown in Figure 1) so that the first gear switches
The first pressure input port 131 and second pressure input port 132 of valve 13 can only be defeated with the pressure of second pressure delivery outlet 134 and the 4th
Outlet 136 is connected, and the second gear switching valve 14 is switched to the second operating position (left position as shown in Figure 1) simultaneously, makes
The first pressure input port 141 and second pressure input port 142 for obtaining the second gear switching valve 14 can only be with second pressure delivery outlets
144 are connected with the 4th pressure output 146.And first clutch magnetic valve 18 now controls the of odd number gear when opening
One clutch is in the working condition engaged, and double-clutch automatic gearbox is just being operated in odd number gear, is then next being linked into
Gear be even number gear, therefore designed by appropriate gear, such as will be defeated with the second pressure of the first gear switching valve 13
The second connected shift cylinder 42 of the pressure output 136 of outlet 134 and the 4th and the second pressure with the second gear switching valve 14
Power delivery outlet 144 is designed to be used to control even number gear with the 4th shift cylinder 44 that the 4th pressure output 146 is connected, then
Even number can only be linked into by the first gear switching valve 13 and the second gear switching valve 14 when first clutch magnetic valve 18 is opened
Gear, so as to realize in the first clutch work of odd number gear, quiescing odd number gear.
When second clutch magnetic valve 19 is opened, odd even selector valve 17 will be made to be in the first operating position (as shown in Figure 1
Right position), now the pressure introduction port 171 of odd even selector valve 17 is connected with first pressure delivery outlet 172, odd even selector valve 17
The first control terminal 147 of the first control terminal 137 to the first gear switching valve 13 and the second gear switching valve 14 applies control simultaneously
Pressing pressure, the first gear switching valve 13 is set to switch to the first operating position (left position as shown in Figure 1) so that the first gear switches
The first pressure input port 131 and second pressure input port 132 of valve 13 can only be defeated with the pressure of first pressure delivery outlet 133 and the 3rd
Outlet 135 is connected, and the second gear switching valve 14 is switched to the first operating position (right position as shown in Figure 1) simultaneously, makes
The first pressure input port 141 and second pressure input port 142 for obtaining the second gear switching valve 14 can only be with first pressure delivery outlets
143 are connected with the 3rd pressure output 145.And second clutch magnetic valve 19 now controls the of even number gear when opening
Two clutches are in the working condition engaged, and double-clutch automatic gearbox is just being operated in even number gear, is then next being linked into
Gear be odd number gear, therefore designed by appropriate gear, such as will be defeated with the first pressure of the first gear switching valve 13
The first connected shift cylinder 41 of the pressure output 135 of outlet 133 and the 3rd and the first pressure with the second gear switching valve 14
Power delivery outlet 143 is designed to be used to control odd number gear with the 3rd shift cylinder 43 that the 3rd pressure output 145 is connected, then
Odd number can only be linked into by the first gear switching valve 13 and the second gear switching valve 14 when second clutch magnetic valve 19 is opened
Gear, so as to realize in the second clutch work of even number gear, quiescing even number gear.That is, by this
The first gear switching valve 13, the second gear switching valve 14 in shifting control system, odd even selector valve 17, first clutch electromagnetism
Valve 18 and second clutch magnetic valve 19 are controlled, you can realize that the clutch in odd number gear (or even number gear) works
When, quiescing odd number gear (or even number gear), automatic transmission is damaged so as to avoid the occurrence of maloperation, improve system peace
Full property and robustness.
It can be hung up in the case of in order to be not switched in first clutch magnetic valve 18 and second clutch magnetic valve 19
Reverse gear, odd even selector valve 17 also has the 3rd control terminal 177, and the 3rd control terminal 177 and the first control terminal 175 are located at odd even selection
Same one end of valve 17, the 3rd control terminal 177 are connected with first switch magnetic valve 29, when first switch magnetic valve 29 is opened, the
The pressure output control of one switch electromagnetic valve 29 and the 3rd control terminal 177 for being applied to odd even selector valve 17, promote odd even selector valve
17 commutations are at the second operating position (left position as shown in Figure 1), in favor of that can select to reverse gear.
In the present embodiment, odd number gear pressure sensing is also associated with the pressure output 182 of first clutch magnetic valve 18
Device 31, with operating pressure during detection driving first clutch engagement；Likewise, the pressure in second clutch magnetic valve 19 is defeated
Outlet 192 is also associated with even number gear pressure sensor 32, with operating pressure during detection driving second clutch engagement.In order to
Occur cutting off pipeline during pressure anomaly in the pipeline of clutch engagement, in the pressure output of first clutch magnetic valve 18
182 and second clutch magnetic valve 19 pressure output 192 on be also associated with clutch safety cut-off valve 33, the first gear electricity
The pressure output of the pressure output of magnet valve 27 and the second gear magnetic valve 28 is also connected to clutch safety cut-off valve simultaneously
33 same control terminal, when the first gear magnetic valve 27 and the second gear magnetic valve 28 are opened, in the first gear magnetic valve
Under the force action of the control pressure of 27 outputs and the control pressure of the second gear magnetic valve 28 output, clutch safety will be promoted
Stop valve 33 switches to closed position (left position as shown in Figure 1) from open position (right position as shown in Figure 1), with cutting-off controlling
The control oil circuit of clutch engagement.
Opened in order that being applied to gearshift control valve 12, the first gear switching valve 13, the second gear switching valve 14, the first gear
The control pressure closed in each control terminal of the gear on-off valve 16 of valve 15 and second tends to be steady, and is being commutated with improving each valve body
Smoothness during operation, solenoid pressure regulator 34 is also associated with the delivery outlet of main pump 11, solenoid pressure regulator 34 is cunning
The proportional pressure-reducing valve of valve type, solenoid pressure regulator 34 have pressure introduction port 341 and pressure output 342, pressure introduction port
341 are connected with main pump 11, and pressure output 342 inputs with the pressure of each magnetic valve 26,27,28,29 and odd even selector valve 17
Mouth is connected, and pressure feedback is also acted on the one of solenoid pressure regulator 34 by the pressure output 342 of solenoid pressure regulator 34
End, to react on the spring for being arranged on the other end of solenoid pressure regulator 34.So, even if the output pressure of main pump 11 occurs
Fluctuation, after the regulation by solenoid pressure regulator 34, the pressure that pressure output 342 exports is set to remain relatively flat
Surely, so that passing through each magnetic valve 26,27,28,29 and the after-applied control in each control terminal of odd even selector valve 17
Pressure also tends to steadily.
The shifting control system further comprises working connection pressure solenoid valve 35 and working connection Pressure relief valve 36, main oil
The pressure introduction port of road pressure solenoid valve 35 is connected with the pressure output 342 of solenoid pressure regulator 34, working connection pressure electricity
The pressure output of magnet valve 35 is connected with the shutdown side (shutdown side is additionally provided with spring) of working connection Pressure relief valve 36, working connection
Pressure relief valve 36 has pressure introduction port, first pressure delivery outlet and second pressure delivery outlet, working connection Pressure relief valve 36
Opening end (one end i.e. opposite with shutdown side) and delivery outlet of the pressure introduction port with main pump 11 be connected, working connection pressure is overflow
The first pressure delivery outlet of stream valve 36 is connected with the oiler of main pump 11, the second pressure delivery outlet of working connection Pressure relief valve 36
Then lead to lubricating and cooling system 50.It can be changed by working connection pressure solenoid valve 35 and be applied to working connection Pressure relief valve 36
Control pressure on shutdown side, working connection Pressure relief valve 36 is set to be changed from closed position to open position, so that working connection
A part of fluid in system can transfer to lubricating and cooling system 50 via working connection Pressure relief valve 36, to meet to enter fluid
Row cooling and the needs that related elements are lubricated.
Lubricating and cooling system 50 include cooling flow pressure limiting valve 51, oil cooler 52, filter-press 53, check valve 54,
Control valve for small flows 55, large flux control valve 56 and second switch magnetic valve 57.Cooling flow pressure limiting valve 51 and working connection pressure
The second pressure delivery outlet of power overflow valve 36 is connected, and cooling flow pressure limiting valve 51 is used to play in limitation lubricating and cooling system 50
The effect of oil pressure.Oil cooler 52 and filter-press 53 are connected with cooling flow pressure limiting valve 51, for being cooled down to fluid
And fine filtering.Check valve 54 is connected in parallel on oil cooler 52 and filter-press 53, the Opening pressure setting of check valve 54
It is larger, therefore fluid flows through oil cooler 52 and filter-press 53 under normal circumstances, only in oil cooler 52 and pressure mistake
In the presence of in the case of for example blocking, fluid just flows through filter 53 from the bypass of check valve 54.Fluid is after supercooling and filtering, you can
The element that being distributed to via control valve for small flows 55 needs to lubricate is lubricated use, and unnecessary fluid can pass through big flow
Regulating valve 56 is back to fuel tank 22.When the fluid needed for lubrication is big flow, can be opened by second switch magnetic valve 57
Large flux control valve 56, second switch magnetic valve 57 have pressure introduction port and pressure output, second switch magnetic valve 57
Pressure introduction port is connected with the pressure output of solenoid pressure regulator 34, the pressure output of second switch magnetic valve 57 with it is big
The control terminal of flow control valve 56 is connected, therefore by second switch magnetic valve 57 large flux control valve 56 can be promoted to be changed
To open large flux control valve 56.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention content
Any simple modification, equivalent change and modification that above example is made, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of shifting control system of automatic transmission, including main pump (11) and four shift cylinders (41,42,43,44), its
It is characterised by, the shifting control system also includes：
Control valve of shifting gears (12), the gearshift control valve (12) have pressure introduction port (121) and two pressure outputs (122,
123), the gearshift control valve (12) can switch between the first operating position and the second operating position, the gearshift control valve (12)
During in the first operating position, one of in the pressure introduction port (121) and two pressure outputs (122,123) even
It is logical, when the gearshift control valve (12) is in the second operating position, the pressure introduction port (121) and two pressure outputs
Wherein another connection in (122,123)；
First gear switching valve (13), the first gear switching valve (13) have two pressure introduction ports (131,132) and four
Individual pressure output (133,134,135,136), the first gear switching valve (13) can work in the first operating position and second
Switch between position, when the first gear switching valve (13) is in the first operating position, the two of the first gear switching valve (13)
Individual pressure introduction port (131,132) respectively with four pressure outputs of the first gear switching valve (13) (133,134,135,
136) the two of which pressure output connection in, when the first gear switching valve (13) is in the second operating position, this first
Two pressure introduction ports (131,132) of gear switching valve (13) are defeated with four pressure of the first gear switching valve (13) respectively
Export two other pressure output connection in (133,134,135,136)；
Second gear switching valve (14), the second gear switching valve (14) have two pressure introduction ports (141,142) and four
Individual pressure output (143,144,145,146), the second gear switching valve (14) can work in the first operating position and second
Switch between position, when the second gear switching valve (14) is in the first operating position, the two of the second gear switching valve (14)
Individual pressure introduction port (141,142) respectively with four pressure outputs of the second gear switching valve (14) (143,144,145,
146) the two of which pressure output connection in, when the second gear switching valve (14) is in the second operating position, this second
Two pressure introduction ports (141,142) of gear switching valve (14) are defeated with four pressure of the second gear switching valve (14) respectively
Export two other pressure output connection in (143,144,145,146)；
First gear on-off valve (15), the first gear on-off valve (15) are connected to the first gear switching valve (13) and the gearshift
Between control valve (12), the first gear on-off valve (15) can switch between a closed position and a open position, first gear
When switch valve (15) is in the closed position, two pressure outputs (122,123) of the gearshift control valve (12) respectively with this
Two pressure introduction ports (131,132) of one gear switching valve (13) disconnect, and the first gear on-off valve (15) is in open position
When putting, two pressure outputs (122,123) of the gearshift control valve (12) respectively with the first gear switching valve (13) two
Individual pressure introduction port (131,132) connection；And
Second gear on-off valve (16), the second gear on-off valve (16) are connected to the second gear switching valve (14) and the gearshift
Between control valve (12), the second gear on-off valve (16) can switch between a closed position and a open position, second gear
When switch valve (16) is in the closed position, two pressure outputs (122,123) of the gearshift control valve (12) respectively with this
Two pressure introduction ports (141,142) of two gear switching valves (14) disconnect, and the second gear on-off valve (16) is in open position
When putting, two pressure outputs (122,123) of the gearshift control valve (12) respectively with the second gear switching valve (14) two
Individual pressure introduction port (141,142) connection；
Wherein, four pressure outputs (133,134,135,136) of the first gear switching valve (13) and this four gearshift oil
Two of which shift cylinder in cylinder (41,42,43,44) is connected, four pressure outputs of the second gear switching valve (14)
Two other shift cylinder in four shift cylinders in (143,144,145,146) and this (41,42,43,44) is connected.
2. the shifting control system of automatic transmission as claimed in claim 1, it is characterised in that：The gearshift control valve (12),
The first gear switching valve (13), the second gear switching valve (14), the first gear on-off valve (15) and second gear
Switch valve (16) is the solenoid directional control valve of side valve type.
3. the shifting control system of automatic transmission as claimed in claim 1, it is characterised in that：The gearshift control valve (12) is
The hydraulic control proportional reversing valve of side valve type, the shifting control system also include gearshift pressure solenoid valve (26), the gearshift pressure electromagnetic device
The pressure output of valve (26) is connected with the control terminal of the gearshift control valve (12), and two pressure of the gearshift control valve (12) are defeated
Outlet (122,123) also respectively acts on pressure feedback at the both ends of the gearshift control valve (12).
4. the shifting control system of automatic transmission as claimed in claim 3, it is characterised in that：The shifting control system also wraps
Solenoid pressure regulator (34) is included, the solenoid pressure regulator (34) is the proportional pressure-reducing valve of side valve type, and the electromagnetic pressure is adjusted
Valve (34) has pressure introduction port (341) and pressure output (342), the pressure introduction port of the solenoid pressure regulator (34)
(341) delivery outlet with the main pump (11) is connected, pressure output (342) and the gearshift pressure of the solenoid pressure regulator (34)
The pressure introduction port of power magnetic valve (26) is connected.
5. the shifting control system of automatic transmission as claimed in claim 1, it is characterised in that：The first gear switching valve
(13) and the second gear switching valve (14) is the pilot operated directional control valve of side valve type, and the both ends of the first gear switching valve (13) are distinguished
With the first control terminal (137) and the second control terminal (138), the both ends of the second gear switching valve (14) have the first control respectively
End (147) processed and the second control terminal (148), the first control terminal (137) and second gear of the first gear switching valve (13)
The first control terminal (147) of switching valve (14) is connected and is connected to a control oil circuit, and the of the first gear switching valve (13)
Two control terminals (138), which are connected with the second control terminal (148) of the second gear switching valve (14) and are connected to another, controls oil
Road.
6. the shifting control system of automatic transmission as claimed in claim 5, it is characterised in that：The shifting control system also wraps
Odd even selector valve (17) is included, the odd even selector valve (17) has pressure introduction port (171), first pressure delivery outlet (172) and the
Two pressure outputs (173), the first pressure delivery outlet (172) of the odd even selector valve (17) and the first gear switching valve (13)
The first control terminal (137) and the second gear switching valve (14) the first control terminal (147) be connected, the odd even selector valve
(17) second pressure delivery outlet (173) and the second control terminal (138) and the second gear of the first gear switching valve (13)
The second control terminal (148) of position switching valve (14) is connected；The odd even selector valve (17) can work in the first operating position and second
Switch between position, when the odd even selector valve (17) is in the first operating position, the pressure introduction port of the odd even selector valve (17)
(171) connected with the first pressure delivery outlet (172) of the odd even selector valve (17), the odd even selector valve (17) is in the second work
During position, the pressure introduction port (171) of the odd even selector valve (17) and the second pressure delivery outlet of the odd even selector valve (17)
(173) connect.
7. the shifting control system of automatic transmission as claimed in claim 6, it is characterised in that：The odd even selector valve (17) is
The pilot operated directional control valve of side valve type, the both ends of the odd even selector valve (17) have the first control terminal (175) and the second control terminal respectively
(176), the shifting control system also includes first clutch magnetic valve (18) and second clutch magnetic valve (19), this first from
Clutch magnetic valve (18) is used for the engagement for controlling first clutch, and the second clutch magnetic valve (19) is used to control the second clutch
The engagement of device, the first clutch magnetic valve (18) have pressure introduction port (181) and pressure output (182), this first from
The pressure output (182) of clutch magnetic valve (18) is connected with the first control terminal (175) of the odd even selector valve (17), and this second
Clutch solenoid valve (19) has pressure introduction port (191) and pressure output (192), the second clutch magnetic valve (19)
Pressure output (192) is connected with the second control terminal (176) of the odd even selector valve (17).
8. the shifting control system of automatic transmission as claimed in claim 1, it is characterised in that：The first gear on-off valve
(15) and pilot operated directional control valve that the second gear on-off valve (16) is side valve type, the first gear on-off valve (15) includes opening end
(151) and shutdown side (152), the second gear on-off valve (16) also include opening end (161) and shutdown side (162), the gearshift
Control system also includes the first gear magnetic valve (27) and the second gear magnetic valve (28), the first gear magnetic valve (27) output
Control pressure act on the first gear on-off valve (15) opening end (151) and the second gear on-off valve (16) closing
Hold (162), the control pressure of the second gear magnetic valve (28) output acts on the shutdown side of the first gear on-off valve (15)
(152) and the second gear on-off valve (16) opening end (161).
9. the shifting control system of automatic transmission as claimed in claim 1, it is characterised in that：The first gear switching valve
(13) four pressure outputs (133,134,135,136) include first pressure delivery outlet (133), second pressure delivery outlet
(134), the 3rd pressure output (135) and the 4th pressure output (136), the first gear switching valve (13) are in the first work
When making position, two pressure introduction ports (131,132) of the first gear switching valve (13) respectively with the first gear switching valve
(13) first pressure delivery outlet (133) connects with the 3rd pressure output (135), and the first gear switching valve (13) is in the
During two operating positions, two pressure introduction ports (131,132) of the first gear switching valve (13) are cut with first gear respectively
The second pressure delivery outlet (134) for changing valve (13) connects with the 4th pressure output (136)；The second gear switching valve (14)
Four pressure outputs (143,144,145,146) include first pressure delivery outlet (143), second pressure delivery outlet (144), the
Three pressure outputs (145) and the 4th pressure output (146), the second gear switching valve (14) are in the first operating position
When, two pressure introduction ports (141,142) of the second gear switching valve (14) respectively with the second gear switching valve (14)
First pressure delivery outlet (143) connects with the 3rd pressure output (145), and the second gear switching valve (14) is in the second work
During position, two pressure introduction ports (141,142) of the second gear switching valve (14) respectively with the second gear switching valve
(14) second pressure delivery outlet (144) connects with the 4th pressure output (146).
10. the shifting control system of automatic transmission as claimed in claim 9, it is characterised in that：Four shift cylinders
(41,42,43,44) the first shift cylinder (41), the second shift cylinder (42), the 3rd shift cylinder (43) and the 4th gearshift are included
Oil cylinder (44), the first pressure delivery outlet (133) and the 3rd pressure output (135) of the first gear switching valve (13) connect respectively
The both ends of first shift cylinder (41) are connected to, the second pressure delivery outlet (134) of the first gear switching valve (13) and the 4th
Pressure output (136) is respectively connecting to the both ends of second shift cylinder (42), and the first of the second gear switching valve (14)
Pressure output (143) and the 3rd pressure output (145) are respectively connecting to the both ends of the 3rd shift cylinder (43), and this second
The second pressure delivery outlet (144) and the 4th pressure output (146) of gear switching valve (14) are respectively connecting to the 4th gearshift
The both ends of oil cylinder (44).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410657662.6A CN105673836B (en) | 2014-11-18 | 2014-11-18 | The shifting control system of automatic transmission |
| EP15861626.8A EP3222889B1 (en) | 2014-11-18 | 2015-11-04 | Gear-shifting control system of automatic transmission |
| PCT/CN2015/093782 WO2016078512A1 (en) | 2014-11-18 | 2015-11-04 | Gear-shifting control system of automatic transmission |
| US15/527,708 US10571017B2 (en) | 2014-11-18 | 2015-11-04 | Gear-shifting control system of automatic transmission |
| EP18214667.0A EP3486532B1 (en) | 2014-11-18 | 2015-11-04 | Gear-shifting control system of automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410657662.6A CN105673836B (en) | 2014-11-18 | 2014-11-18 | The shifting control system of automatic transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105673836A CN105673836A (en) | 2016-06-15 |
| CN105673836B true CN105673836B (en) | 2017-11-24 |
Family
ID=56944784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410657662.6A Active CN105673836B (en) | 2014-11-18 | 2014-11-18 | The shifting control system of automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105673836B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417997B (en) * | 2021-07-02 | 2023-01-20 | 贵州凯星液力传动机械有限公司 | Clutch and oil cylinder integrated control hydraulic system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858431A (en) * | 2010-04-17 | 2010-10-13 | 浙江吉利汽车研究院有限公司 | Hydraulic device for gear shift of double-clutch automatic transmission |
| DE10143833B4 (en) * | 2001-09-07 | 2013-06-06 | Zf Friedrichshafen Ag | Coupling system in a drive train between a drive unit and a transmission |
| CN103363101A (en) * | 2013-07-30 | 2013-10-23 | 长城汽车股份有限公司 | Dual clutch automatic transmission and hydraulic pressure gear-shifting control system thereof |
| CN103542089A (en) * | 2013-11-04 | 2014-01-29 | 重庆青山工业有限责任公司 | Hydraulic operating cylinder system for gear shifting of double-clutch transmission |
| CN204312690U (en) * | 2014-11-18 | 2015-05-06 | 广州汽车集团股份有限公司 | The shifting control system of automatic transmission |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10320524A1 (en) * | 2003-04-30 | 2004-11-25 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Hydraulic circuit for controlling a drive train |
| DE502004006421D1 (en) * | 2004-09-02 | 2008-04-17 | Getrag Ford Transmissions Gmbh | Hydraulic control device for an automated dual-clutch transmission |
-
2014
- 2014-11-18 CN CN201410657662.6A patent/CN105673836B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10143833B4 (en) * | 2001-09-07 | 2013-06-06 | Zf Friedrichshafen Ag | Coupling system in a drive train between a drive unit and a transmission |
| CN101858431A (en) * | 2010-04-17 | 2010-10-13 | 浙江吉利汽车研究院有限公司 | Hydraulic device for gear shift of double-clutch automatic transmission |
| CN103363101A (en) * | 2013-07-30 | 2013-10-23 | 长城汽车股份有限公司 | Dual clutch automatic transmission and hydraulic pressure gear-shifting control system thereof |
| CN103542089A (en) * | 2013-11-04 | 2014-01-29 | 重庆青山工业有限责任公司 | Hydraulic operating cylinder system for gear shifting of double-clutch transmission |
| CN204312690U (en) * | 2014-11-18 | 2015-05-06 | 广州汽车集团股份有限公司 | The shifting control system of automatic transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105673836A (en) | 2016-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207621329U (en) | A kind of hydraulic control system of double-clutch speed changer | |
| CN204312689U (en) | The shifting control system of automatic transmission | |
| CN105605014B (en) | Hydraulic control system of extractor accessory | |
| CN109139895A (en) | A kind of double pump fuel feeding and lubricating and cooling system | |
| EP2795163B1 (en) | System and method to control automotive powertrain component temperature | |
| CN101709776B (en) | Cooling control system of dual-clutch gearbox | |
| CN101260938A (en) | Automobile electric control mechanical type automatic speed variator hydraulic system and its control method | |
| CN106321805A (en) | A hydraulic control system of a wet-type double-clutch gearbox, a gearbox, a TCU and an automobile | |
| CN107588190A (en) | The hydraulic gear-shifting control system of double-clutch automatic gearbox | |
| CN108644366A (en) | A kind of gearbox fuel feeding and lubricating system | |
| CN105864424A (en) | Double-clutch transmission hydraulic control system | |
| CN206145111U (en) | Automatic cooling and lubrication system and hydraulic pressure shift system of derailleur | |
| CN208885929U (en) | Double clutch automatic speed changing case hydraulic control system and vehicle | |
| CN105673835B (en) | The shifting control system of automatic transmission | |
| CN204312690U (en) | The shifting control system of automatic transmission | |
| CN105673836B (en) | The shifting control system of automatic transmission | |
| CN205937790U (en) | Dual -clutch automatic transmission's hydraulic pressure shift control system | |
| CN104948729B (en) | A kind of 7 fast opposed type dual-clutch transmission electrohydraulic control system | |
| CN107588189B (en) | Hydraulic gear shifting control system of double-clutch automatic transmission | |
| CN107588188A (en) | The hydraulic gear-shifting control system of double-clutch automatic gearbox | |
| CN103453126B (en) | Dual-clutch transmission cooling and lubricating system and speed changer | |
| CN205937791U (en) | Dual -clutch automatic transmission's hydraulic pressure shift control system | |
| CN205937792U (en) | Dual -clutch automatic transmission's hydraulic pressure shift control system | |
| CN205745259U (en) | The hydraulic control system of wet-type dual-clutch change speed gear box, change speed gear box, TCU and automobile | |
| CN204358078U (en) | A kind of double clutch gearbox and clutch fluid pressure control system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |