WO2014029283A1 - 扭矩控制装置的压力控制系统 - Google Patents

扭矩控制装置的压力控制系统 Download PDF

Info

Publication number
WO2014029283A1
WO2014029283A1 PCT/CN2013/081284 CN2013081284W WO2014029283A1 WO 2014029283 A1 WO2014029283 A1 WO 2014029283A1 CN 2013081284 W CN2013081284 W CN 2013081284W WO 2014029283 A1 WO2014029283 A1 WO 2014029283A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
control
interface
valve
combined
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.)
Ceased
Application number
PCT/CN2013/081284
Other languages
English (en)
French (fr)
Inventor
林健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Power Technology Research Co Ltd
Chery Automobile Co Ltd
Original Assignee
Wuhu Power Technology Research Co Ltd
Chery Automobile Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhu Power Technology Research Co Ltd, Chery Automobile Co Ltd filed Critical Wuhu Power Technology Research Co Ltd
Priority to RU2014153841/11A priority Critical patent/RU2593166C2/ru
Priority to US14/407,377 priority patent/US9759312B2/en
Publication of WO2014029283A1 publication Critical patent/WO2014029283A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/0021Generation or control of line pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00External control of clutches
    • F16D48/02Control by fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00External control of clutches
    • F16D48/02Control by fluid pressure
    • F16D2048/0209Control by fluid pressure characterised by fluid valves having control pistons, e.g. spools
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00External control of clutches
    • F16D48/02Control by fluid pressure
    • F16D2048/0221Valves for clutch control systems; Details thereof

Definitions

  • the invention relates to the field of hydraulic control, and in particular to the field of automatic transmission hydraulic control. Background technique
  • the torque transmitted by a torque control device such as a clutch, a brake, and a brake band is mainly determined by the combined pressure of its piston chamber.
  • the transmission torque is controlled by controlling the combined pressure during the combination of the torque transmitting device such as the clutch.
  • TCU Transmission Control Unit, also translated as electronic control unit, referred to as TCU
  • TCU output signal control solenoid valve
  • solenoid valve pressure is controlled by solenoid valve pressure to provide this combined pressure, in which solenoid valve pressure is used as a pilot Control valve.
  • a pressure control system for a torque control device comprising:
  • Control the pressure regulating valve receive the control signal of the electronic control unit TCU and output the control pressure; fix the pressure oil path, and supply the oil path for controlling the pressure regulating valve;
  • the pressure switching valve has an input interface for receiving a combined pressure, an input interface for receiving a fixed pressure, an output interface connected to a feedback interface of the pressure regulating valve, and a control interface connected to the control pressure oil passage on a side of the spool;
  • the pressure switching valve When the control pressure is less than the set value of the pressure switching valve spring, the pressure switching valve connects the combined pressure to the feedback interface of the combined pressure regulating valve, and combines the pressure control valve to output a combined pressure proportional to the control signal; when the control pressure reaches the pressure switching valve
  • the pressure switching valve When the spring is set, the pressure switching valve connects the fixed pressure with the feedback interface of the pressure regulating valve, and the pressure regulating valve connects the main pressure port with the combined pressure port.
  • a pressure control system for a torque control device comprising:
  • Control the pressure regulating valve receive the control signal of the electronic control unit TCU and output the control pressure; fix the pressure oil path, and supply the oil path for controlling the pressure regulating valve;
  • the pressure switching valve has an input interface for receiving the combined pressure, an input interface for receiving the fixed pressure, a feedback interface for the feedback interface with the pressure regulating valve, and a control interface for connecting the control pressure oil passage on the side of the spool;
  • an input interface for connecting the main oil pressure circuit of the system, an output interface of the torque transmitting device piston chamber combined with the pressure, a feedback interface for receiving the pressure of the pressure switching valve on the side of the valve core, and a spring chamber;
  • the pressure switching valve spring setting value is smaller than the pressure switching valve spring setting value, the pressure switching valve is combined with the pressure interface of the pressure regulating valve, and the pressure control valve outputs a combined pressure proportional to the control signal;
  • the control pressure reaches the pressure switching valve spring setting In value, the pressure switching valve connects the control pressure to the feedback interface of the combined pressure regulating valve, and the pressure regulating valve is connected to the combined pressure interface.
  • a pressure control system for a torque control device comprising:
  • Control the pressure regulating valve receive the control signal of the electronic control unit TCU and output the control pressure; fix the pressure oil path, and supply the oil path for controlling the pressure regulating valve;
  • the pressure switching valve has an input interface for receiving the combined pressure, an input interface for receiving the control pressure, an output interface for connecting to the pressure regulating valve control interface, and a control interface for connecting the control pressure oil line to one side of the spool;
  • the input interface of the main hydraulic oil circuit connecting the system, the output interface of the torque transmitting device piston cavity combined with the pressure, the side of the valve core receiving the combined feedback interface and the spring cavity, and the other side of the valve core a control interface that accepts the output of the pressure switching valve;
  • the pressure switching valve When the control pressure is lower than the pressure switching valve spring setting value, the pressure switching valve will control the pressure and the combined pressure
  • the control interface of the throttle valve is combined with the pressure control valve outputting a combined pressure proportional to the control signal; when the control pressure reaches the set value of the pressure switching valve spring, the pressure switching valve is coupled with the control interface of the pressure regulating valve in combination with the pressure.
  • the pressure regulating valve is connected to the pressure port by a pressure regulating valve.
  • a pressure control system for a torque control device comprising:
  • Control the pressure regulating valve receive the control signal of the electronic control unit TCU and output the control pressure; fix the pressure oil path, and supply the oil path for controlling the pressure regulating valve;
  • the pressure switching valve has an input interface for receiving the combined pressure, an input interface for receiving the pressure relief chamber, an output interface for connecting to the control interface of the combined pressure regulating valve, and a control interface for connecting the control pressure oil passage on the side of the spool;
  • the selection valve is composed of a steel ball, has a first input port for receiving the control pressure, and a second input port for receiving the output of the pressure switching valve, and has an output port connected with the control chamber of the pressure regulating valve, and the output port is always at a relatively high pressure
  • the input ports are connected;
  • an input interface for connecting the main oil pressure circuit of the system, an output interface of the torque transmitting device piston chamber combined with the pressure, a feedback interface for receiving the pressure of the pressure switching valve on the side of the valve core, and a spring chamber, located at the valve thereof a control interface on the other side of the core that receives the selection valve output;
  • the pressure switching valve When the control pressure is less than the set value of the pressure switching valve spring, the pressure switching valve connects the drain chamber with the input interface of the selector valve, and the control pressure enters the control chamber of the combined pressure control valve through the selection valve, and combines the output and control signals of the pressure control valve. Proportional combined pressure; When the control pressure reaches the set value of the pressure switching valve spring, the pressure switching valve will be combined with the input of the selection valve, and the combined pressure is connected to the control interface of the combined pressure regulating valve through the selection valve, combined with the pressure regulating valve Connect the main pressure port to the combined pressure port.
  • a pressure control system for a torque control device comprising:
  • Control the pressure regulating valve receive the control signal of the electronic control unit TCU and output the control pressure; fix the pressure oil path, and supply the oil path for controlling the pressure regulating valve;
  • the pressure switching valve has an input interface for receiving the combined pressure, an input interface for receiving the unloading chamber, an output interface for connecting to the control port of the combined pressure regulating valve, and a control interface for connecting the control pressure oil line on one side of the spool;
  • a pressure regulating valve In combination with a pressure regulating valve, an input interface for connecting the main oil pressure circuit of the system, an output interface of the torque transmitting device piston chamber combined with the pressure, a feedback interface for receiving the pressure of the pressure switching valve on the side of the spool, and a spring chamber, the position a control interface for receiving the output of the pressure switching valve on the other side of the spool and a second control interface for receiving the control pressure; when the control pressure is less than the set value of the pressure switching valve spring, the pressure switching valve adjusts the pressure relief chamber and the combined pressure
  • the control interface of the valve is combined with the output pressure of the pressure control valve in proportion to the control signal; when the control pressure reaches the set value of the pressure switching valve spring, the pressure switching valve is combined with the pressure and the control interface of the pressure regulating valve, combined
  • the pressure regulating valve connects the main pressure port to the combined pressure port.
  • the control pressure regulating valve generally adopts a solenoid valve, and the pressure when the torque control device is combined is controlled by the precise control of the control pressure of the solenoid valve, and after the torque transmitting device is combined, the solenoid valve pressure exceeds the setting.
  • the high pressure port in the pressure regulating valve communicates with the piston chamber of the torque control device through the action of the pressure switching valve, so that it has sufficient torque capacity.
  • a pressure control system for a torque control device comprising:
  • Control the pressure regulating valve receive the control signal of the electronic control unit TCU and output the control pressure; fix the pressure oil path, and supply the oil path for controlling the pressure regulating valve;
  • the pressure switching valve has an input interface for receiving the control pressure, an input interface for receiving the pressure relief chamber, an output interface for connecting with the reverse pressure control valve of the pressure regulating valve, and a control interface for connecting the control pressure oil line on the side of the valve core thereof. ;
  • an input interface for connecting the main oil pressure circuit of the system, an output interface of the torque transmitting device piston chamber combined with the pressure, a feedback interface for receiving the pressure of the pressure switching valve on the side of the valve core, and a spring chamber, located at the valve thereof a control interface connected to the control pressure oil passage on the other side of the core and a reverse control interface opposite to the control interface;
  • the pressure switching valve When the control pressure is less than the set value of the pressure switching valve spring, the pressure switching valve connects the control pressure to the reverse control interface of the combined pressure regulating valve, and combines the pressure control valve to output a combined pressure with a small slope; when the control pressure reaches the pressure switching valve When the spring is set, the pressure switching valve connects the pressure relief chamber to the reverse control interface of the pressure regulating valve, and combines the pressure regulating valve to output a combined pressure with a large gradient of change.
  • a pressure control system for a torque control device comprising:
  • Control the pressure regulating valve receive the control signal of the electronic control unit TCU and output the control pressure; fix the pressure oil path, and supply the oil path for controlling the pressure regulating valve;
  • Pressure switching valve with input interface for receiving combined pressure, input interface with receiving oil discharge chamber, and junction
  • An output interface connected to the feedback interface of the pressure regulating valve, and a control interface on the side of the valve core connected to the control pressure oil passage;
  • the pressure switching valve When the control pressure is less than the set value of the pressure switching valve spring, the pressure switching valve is coupled with the second feedback port of the pressure regulating valve, and the feedback area of the pressure regulating valve is increased, combined with the pressure control valve output and the control signal.
  • the combination pressure has a small gradient of the combined pressure; when the control pressure reaches the set value of the pressure switching valve spring, the pressure switching valve connects the pressure relief port with the second feedback port of the pressure regulating valve, and the feedback area of the pressure regulating valve is changed. Small, combined with the pressure control valve output combined with the control signal proportional to the change in the slope of the combined pressure.
  • the control pressure acting area of the combined pressure regulating valve is reduced by the switching of the pressure switching valve when the torque transmitting device is combined, or the feedback area is increased, and is proportional to the control pressure regulating valve control pressure.
  • the combined pressure with a small change slope facilitates precise control of the combined pressure, and after the torque transmitting device is combined, that is, after no relative sliding, the control pressure acting area of the combined pressure regulating valve is increased by the switching of the pressure switching valve Or, the feedback area is reduced, so that the slope of the combined pressure change is increased to have a sufficient torque capacity.
  • FIGS 1 and 2 are respectively schematic diagrams of two specific control pressures and combined pressures
  • FIGS 3-9 are schematic views of the hydraulic control of the present invention, respectively. detailed description
  • the pressure control system includes an electronic control unit TCU100, a control pressure regulating valve 110, and a control pressure regulating valve 110, which is generally a solenoid valve;
  • the pressure switching valve 120 the control interface 121 connected to the control pressure oil passage in the pressure switching valve, the input interface 122 receiving the combined pressure in the pressure switching valve, the input interface 123 receiving the fixed pressure in the pressure switching valve, and the pressure switching valve a spring chamber or drain pressure 124, an output port 125 of the pressure switching valve connected to the feedback interface of the pressure regulating valve, a spool 126 in the pressure switching valve, and a spring 127 in the pressure switching valve;
  • the pressure regulating valve 130 is combined with the control interface 131 connected to the control pressure oil line in the pressure regulating valve, the pressure relief port 132 in the combined pressure regulating valve, the pressure relief port 133 in the combined pressure regulating valve, and the combined pressure regulating valve.
  • control interface 134 connected to the main oil pressure of the system, a feedback interface for receiving the pressure of the pressure switching valve in the pressure regulating valve, and a spring chamber 135, an output interface 136 combined with the piston chamber combined pressure in the pressure regulating valve, combined with pressure regulation
  • the spool 137 in the valve is combined with a spring 138 in the pressure regulating valve.
  • the electronic control unit TCU100 outputs a control signal to the control pressure regulating valve 110, and the control pressure regulating valve 110 outputs a pressure proportional to the control signal, and controls the output pressure of the pressure regulating valve 110 to pass through the control interface 131 and the control interface 121. It acts in conjunction with the control chamber of the pressure regulating valve 130 and the control chamber of the pressure switching valve 120.
  • the output pressure of the control pressure regulating valve 110 is less than the pressure switching valve spring setting value
  • the input interface 122 of the pressure switching valve 120 communicates with the output interface 125, and the combined pressure enters the combined pressure regulating valve 130 through the input interface 122 and the output interface 125.
  • the pressure regulating valve 130 is combined with the output pressure proportional to the control pressure of the control pressure regulating valve 110; when the output pressure of the control pressure regulating valve 110 is greater than the set value of the spring 127 of the pressure switching valve 120, the input interface of the pressure switching valve 120 123 is in communication with the output interface 125, and the fixed pressure for supplying oil to the control pressure regulating valve 110 enters the feedback interface 135 of the feedback chamber of the pressure regulating valve 130 through the interfaces 123, 125, and is coupled to the rightward movement of the spool 137 of the pressure regulating valve 130 to control
  • the interface 134 is in communication with the output interface 136 such that the combined pressure is equal to the system mains pressure.
  • the pressure control system includes an electronic control unit TCU100, a control pressure regulating valve 110, and a control pressure regulating valve 110, which is generally a solenoid valve;
  • the pressure switching valve 120 the control interface 121 connected to the control pressure oil passage in the pressure switching valve, the input interface 122 receiving the combined pressure in the pressure switching valve, the input interface 123 receiving the control pressure in the pressure switching valve, and the pressure switching valve a spring chamber or drain pressure 124, an output port 125 of the pressure switching valve connected to the feedback interface of the pressure regulating valve, a spool 126 in the pressure switching valve, and a spring 127 in the pressure switching valve;
  • the pressure regulating valve 130 is combined with the control interface 131 connected to the control pressure oil line in the pressure regulating valve, the pressure relief port 132 in the combined pressure regulating valve, the pressure relief port 133 in the combined pressure regulating valve, and the combined pressure regulating valve.
  • a control interface 134 connected to the main oil pressure of the system, a feedback interface for receiving the pressure of the pressure switching valve in the pressure regulating valve, and a spring chamber 135, an output interface 136 combined with the piston chamber combined pressure in the pressure regulating valve, combined with pressure regulation
  • the spool 137 in the valve is combined with a spring 138 in the pressure regulating valve.
  • the electronic control unit TCU100 outputs a control signal to the control pressure regulating valve 110, and the control pressure regulating valve 110 outputs a pressure proportional to the control signal, and controls the output pressure of the pressure regulating valve 110 to pass through the control interface 131,
  • the control interface 121 and the input interface 123 act in conjunction with the control chamber of the pressure regulating valve 130 and the control chamber of the pressure switching valve 120.
  • the output pressure of the control pressure regulating valve 110 is less than the set value of the spring 127 of the pressure switching valve 120, the input interface 122 and the output interface 125 of the pressure switching valve 120 communicate with each other, and the combined pressure enters the combined pressure through the input interface 122 and the output interface 125.
  • the feedback interface of the valve 130 and the spring chamber 135 are adjusted.
  • the pressure regulating valve 130 is combined with the output pressure proportional to the control pressure of the control pressure regulating valve 110; when the output pressure of the control pressure regulating valve 110 is greater than the set value of the spring 127 of the pressure switching valve 120, the input interface of the pressure switching valve 120 123 is connected to the output interface 125, and the control pressure outputted by the control pressure regulating valve 110 enters the feedback interface of the pressure regulating valve 130 and the spring chamber 135 through the input interface 123 and the output interface 125, and the spool 137 of the pressure regulating valve 130 is moved to the right.
  • the system main oil pressure chamber that is, the control interface 134, communicates with the torque control device piston chamber, that is, the output port 136, so that the combined pressure is equal to the system main oil pressure.
  • the pressure control system includes an electronic control unit TCU100, a control pressure regulating valve 110, and a control pressure regulating valve 110, which is generally a solenoid valve;
  • the pressure switching valve 120 the control interface 121 connected to the control pressure oil passage in the pressure switching valve, the input interface 122 receiving the control pressure in the pressure switching valve 120, the input interface 123 receiving the combined pressure in the pressure switching valve, and the pressure switching a spring chamber or drain pressure 124 in the valve 120, an output port 125 connected to the pressure regulating valve control interface in the pressure switching valve, a spool 126 in the pressure switching valve, and a spring 127 in the pressure switching valve;
  • the valve 130, the control interface 131 in combination with the pressure regulating valve output in the pressure regulating valve, the pressure relief port 132 in the combined pressure regulating valve, the pressure relief port 133 in the combined pressure regulating valve, and the system main in the combined pressure regulating valve
  • the electronic control unit TCU100 outputs a control signal to the solenoid valve 110, and the control pressure regulating valve 110 outputs a pressure proportional to the control signal.
  • the output pressure of the control pressure regulating valve 110 acts on the control chamber of the pressure switching valve 120, that is, the control interface 121 and the input interface. 122 connected control chambers.
  • the input interface 122 of the pressure switching valve 120 communicates with the output interface 125.
  • the control pressure enters the control chamber 131, which is the control chamber of the pressure regulating valve 130, through the input interface 122 and the output interface 125.
  • the combined pressure regulating valve 130 outputs a combined pressure proportional to the control pressure of the control pressure regulating valve 110; when the output pressure of the control pressure regulating valve 110 is greater than the set value of the spring 127 of the pressure switching valve 120
  • the input interface 123 of the pressure switching valve 120 communicates with the output interface 125
  • the combined pressure passes through the interfaces 123, 125 into the control chamber of the pressure regulating valve 130, that is, the feedback interface and the spring chamber 135, and the spool of the pressure regulating valve 130 is combined.
  • 137 is shifted to the right, and the system main hydraulic pressure chamber, that is, the control interface 134, communicates with the torque control device piston chamber, that is, the output interface 136, so that the combined pressure is equal to the system main oil pressure.
  • the pressure control system includes an electronic control unit TCU100, a control pressure regulating valve 110, and a control pressure regulating valve 110, which is generally a solenoid valve;
  • the pressure switching valve 120 the control interface 121 connected to the control pressure oil passage in the pressure switching valve 120, the pressure relief port 122 in the pressure switching valve 120, the input interface 123 in the pressure switching valve 120, and the pressure switching valve a spring chamber or drain pressure 124 in 120, an output interface 125 in the pressure switching valve 120 and a second input port 12 of the selector valve 140, a spool 126 in the pressure switching valve 120; a spring 127 in the pressure switching valve 120 ;
  • the pressure regulating valve 130 is combined with the control interface 131 of the pressure regulating valve 130 to receive the selection valve 140, the pressure relief port 132 of the pressure regulating valve 130, the pressure relief port 133 of the combined pressure regulating valve 130, and the combined pressure adjustment.
  • a control interface 134 of the valve 130 connected to the system main oil pressure, a combined pressure feedback interface and a spring chamber 135 in the pressure regulating valve 130, an output interface 136 combined with the piston chamber combined pressure in the pressure regulating valve 130, and a combined pressure adjustment a spool 137 in the valve 130, a spring 138 in the pressure regulating valve 130;
  • the selector valve 140 the first input port 141 that receives the control pressure, the second input port 142 that receives the output of the pressure switching valve 120, and the output port 143 of the selector valve 140.
  • the electronic control unit TCU100 outputs a control signal to the control pressure regulating valve 110, and the control pressure regulating valve 110 outputs a pressure proportional to the control signal, and the output pressure of the control pressure regulating valve 110 acts on the control chamber of the pressure switching valve 120, that is, the control interface 121 and The first input port 141 of the valve 140 is selected.
  • the output pressure of the control pressure regulating valve 110 is less than the set value of the spring 127 of the pressure switching valve 120
  • the pressure relief port 122 of the pressure switching valve 120 communicates with the second input port 142 of the selector valve 140, and the pressure of the oil discharge chamber passes through the interface 122.
  • 125 enters the second input port of the selection valve 140, that is, the control chamber 142.
  • the pressure of the control pressure enters the combined pressure regulating valve 130 through the first input port 141 of the selector valve 140, and outputs a combined pressure proportional to the control pressure of the control pressure regulating valve 110; when the output pressure of the control pressure regulating valve 110 is greater than the pressure switching valve
  • the input interface 123 of the pressure switching valve 120 communicates with the output interface 125, and the combined pressure passes through the interfaces 123, 125 to enter the second input port of the selector valve, that is, the cavity of the control cavity 142, and the pressure is coupled to the selector valve 140.
  • the control chamber 131 which is combined with the control chamber of the pressure regulating valve 130, is combined with the valve core 137 of the pressure regulating valve 130 to move right, and the control of the main hydraulic pressure chamber of the system is connected.
  • Port 134 is in communication with output interface 136 of the torque control device piston chamber such that the combined pressure is equal to the system main oil pressure.
  • the pressure control system includes an electronic control unit TCU100, a control pressure regulating valve 110, and a control pressure regulating valve 110, which is generally a solenoid valve;
  • the pressure switching valve 120 the control interface 121 connected to the control pressure oil passage in the pressure switching valve, the pressure relief port 122 in the pressure switching valve, the input interface 123 in the pressure switching valve receiving the combined pressure, and the spring in the pressure switching valve a chamber or drain pressure 124, an output port 125 of the pressure switching valve connected to the pressure regulating valve control interface, a spool 126 in the pressure switching valve, and a spring 127 in the pressure switching valve;
  • the pressure regulating valve 130 is combined with the control interface 131 of the pressure regulating valve 130 that receives the pressure switching valve output, the control interface 132 that receives the control pressure in the pressure regulating valve 130, and the pressure relief port 133 of the pressure regulating valve 130.
  • the control interface 135 coupled with the system main oil pressure in the pressure regulating valve 130, the combined pressure feedback interface and the spring chamber 136 in the pressure regulating valve 130, and the combined pressure regulating valve
  • the piston chamber is coupled to the pressure output port 137, the spring 138 in the pressure regulating valve 130, the spool 139 in the pressure regulating valve 130, the small spool 139a in the pressure regulating valve 130, and the electronic control unit TCU100.
  • the control signal is supplied to the control pressure regulating valve 110, and the control pressure regulating valve 110 outputs a pressure proportional to the control signal.
  • the output pressure of the control pressure regulating valve 110 acts on the control chamber of the pressure switching valve 120, that is, the control interface 121 and the combined pressure regulating valve 130.
  • the pressure relief port 122 of the pressure switching valve 120 communicates with the chamber in which the output port 125 is located, and the pressure of the oil discharge chamber passes through the pressure relief port 122,
  • the output interface 125 enters a control chamber that is coupled to the pressure regulating valve 130, that is, the control interface 131.
  • the pressure regulating valve 130 is combined with the output pressure proportional to the control pressure of the control pressure regulating valve 110; when the output pressure of the control pressure regulating valve 110 is greater than the set value of the spring 127 of the pressure switching valve 120, the input interface of the pressure switching valve 120 123 is connected to the cavity of the output interface 125, and the combined pressure enters the control interface 131 of the pressure regulating valve 130 through the interfaces 123, 125, and the pressure enters the control cavity of the combined pressure regulating valve 130, and is coupled to the rightward of the spool 139 of the pressure regulating valve 130.
  • the system main oil pressure chamber that is, the control interface 135, communicates with the torque control device piston chamber, that is, the pressure output output port 137, so that the combined pressure is equal to the system main oil pressure.
  • control pressure regulating valve generally adopts a solenoid valve, and the relationship between the control pressure and the combined pressure is as shown in FIG. 1.
  • the pressure at the time of controlling the torque control device is controlled by precise control of the control pressure of the solenoid valve.
  • the solenoid valve pressure exceeds the set value, the high pressure port in the pressure regulating valve communicates with the piston chamber of the torque control device through the pressure switching valve to have sufficient torque capacity.
  • the pressure control system includes an electronic control unit TCU100, a control pressure regulating valve 110, and a control pressure regulating valve 110, which is generally a solenoid valve;
  • the pressure switching valve 120 the control interface 121 connected to the control pressure oil passage in the pressure switching valve, the input interface 122 receiving the control pressure in the pressure switching valve, the input interface 123 receiving the pressure relief chamber in the pressure switching valve, and the pressure switching a spring chamber or drain pressure 124 in the valve, an output port 125 in the pressure switching valve connected to the reverse control interface of the pressure regulating valve, a spool 126 in the pressure switching valve, and a spring 127 in the pressure switching valve;
  • the pressure regulating valve 130 is combined with the control interface 131 connected to the control pressure oil line in the pressure regulating valve, the pressure relief port 132 in the combined pressure regulating valve, the pressure relief port 133 in the combined pressure regulating valve, and the combined pressure regulating valve.
  • a control interface 134 connected to the main oil pressure of the system, a feedback interface for receiving the pressure of the pressure switching valve in the pressure regulating valve, and a spring chamber 135, an output interface 136 combined with the piston chamber combined pressure in the pressure regulating valve, combined with pressure regulation a spool 137 in the valve, combined with a spring 138 in the pressure regulating valve;
  • the electronic control device 100 outputs a control signal to the control pressure regulating valve 110, and the control pressure regulating valve 110 outputs a pressure proportional to the control signal, and the output pressure of the control pressure regulating valve 110 acts on the control chamber control interface 131 combined with the pressure regulating valve 130 and
  • the control chamber of the pressure switching valve 120 is the input interface 121.
  • the output pressure of the control pressure regulating valve 110 is less than the set value of the spring 127 of the pressure switching valve 120
  • the input interface 122 of the pressure switching valve 120 communicates with the chamber in which the output interface 125 is located, and the control pressure enters the combined pressure through the interfaces 122, 125.
  • the reverse control pressure chamber of the regulating valve 130 is the pressure relief port 132.
  • the control pressure regulating valve 110 controls the pressure acting area to be small, and the combined pressure regulating valve 130 outputs a combined pressure with a small change speed; when the output pressure of the control pressure regulating valve 110 is greater than the set value of the spring 127 of the pressure switching valve 120, the pressure is switched.
  • the interface 123 of the valve 120 communicates with the 125, and the pressure of the drain chamber passes through the interfaces 123, 125 to enter the reverse control pressure chamber of the pressure regulating valve 130, that is, the pressure relief port 132, and the control pressure regulating valve 110 controls the pressure acting area to be large, and the combined pressure The speed of change increases.
  • the pressure control system includes an electronic control unit TCU100, a control pressure regulating valve 110, and a control pressure regulating valve 110, which is generally a solenoid valve;
  • the pressure switching valve 120 the control interface 121 connected to the control pressure oil line in the pressure switching valve, the input interface 122 in the pressure switching valve that is combined with the pressure control valve in combination with the pressure, the pressure relief port 123 in the pressure switching valve, and the pressure switching a spring chamber or drain pressure 124 in the valve, an output port 125 in the pressure switching valve connected to the feedback interface of the pressure regulating valve, a spool 126 in the pressure switching valve, and a spring 127 in the pressure switching valve;
  • the pressure regulating valve 130 is combined with the control interface 131 of the pressure regulating valve to receive the pressure switching valve output, the pressure relief port 132 in the combined pressure regulating valve, the pressure relief port 133 in the combined pressure regulating valve, and the combined pressure regulating valve.
  • a system main pressure input port 134 a feedback interface 135 coupled with the pressure switching valve output port in the pressure regulating valve, a combined pressure output port 136 coupled with the torque control device piston chamber in the pressure regulating valve, and a combined pressure regulating valve a spool 137, a spring 138 in combination with the pressure regulating valve, a combined pressure feedback interface and a spring chamber 138a in combination with the pressure regulating valve 130 ;
  • the electronic control unit TCU100 outputs a control signal to the control pressure regulating valve 110, and the control pressure regulating valve 110 outputs a pressure proportional to the control signal, and the output pressure of the control pressure regulating valve 110 acts on the control chamber control interface 121 of the pressure switching valve 120 and combines Control interface 131 of pressure regulating valve 130.
  • the output pressure of the control pressure regulating valve 110 is less than the set value of the spring 127 of the pressure switching valve 120, the chambers 122, 125 of the pressure switching valve 120 are in communication, and the piston chamber is coupled to the pressure through the ports 122, 125 to enter the combined pressure regulating valve.
  • the feedback cavity of 130 is the chamber to which the feedback interface 135 is connected.
  • the combined pressure regulating valve 130 In combination with the increase in the pressure feedback area of the pressure regulating valve 130, the combined pressure regulating valve 130 outputs a smaller slope combined with the control pressure of the control pressure regulating valve 110; when the output pressure of the control pressure regulating valve 110 is greater than the pressure switching valve 120
  • the interfaces 123, 125 of the pressure switching valve 120 are connected to the chamber, and the oil discharge chamber passes through the interfaces 123, 125 to enter the feedback interface 135 of the pressure regulating valve connected with the pressure switching valve output port, and the combined pressure
  • the feedback interface 135 of the regulating valve 130 is depressurized, and the feedback area of the combined pressure regulating valve 130 is reduced.
  • the combined pressure regulating valve 130 outputs a large combined pressure proportional to the control pressure of the control pressure regulating valve 110.
  • the relationship between the control pressure and the combined pressure is as shown in FIG. 2, and the control pressure acting area of the combined pressure regulating valve is reduced by the switching of the pressure switching valve when the torque transmitting device is combined, or the feedback area is made.
  • the control pressure acting area of the combined pressure regulating valve is reduced by the switching of the pressure switching valve when the torque transmitting device is combined, or the feedback area is made.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Transmission Device (AREA)
  • Control Of Fluid Pressure (AREA)

Description

扭矩控制装置的压力控制系统 技术领域
本发明涉及液压控制领域, 具体讲是属于自动变速箱液压控制领域。 背景技术
目前已检索到如下现有技术:
1. CN200510127583.5 自动变速器的压力控制系统;
2.CN200510117492.3车辆自动变速装置的液压控制系统;
3. US6591958 Pressure control apparatus for a torque-transmitting mechanism ;
4. CN200510084452.3扭矩传递机构的调节阀和接合扭矩传递机构的方法。
在自动变速箱中, 离合器、 制动器、 制动带等扭矩控制装置的传递扭矩的大小主 要由其活塞腔的结合压力决定。 在离合器等扭矩传递装置结合过程中通过控制结合压 力对其传递扭矩进行控制。 TCU ( Transmission Control Unit, 自动变速箱控制单元, 又译为电子控制装置, 简称 TCU) 输出信号控制电磁阀, 并由电磁阀压力控制一个压 力调节阀来提供此结合压力, 其中电磁阀压力作为先导控制阀。 这样如果要保证足够 的扭矩容量, 控制压力的分辨率就会降低, 不利于对扭矩装置的精确控制。 发明内容
本发明的目的是提供一种有利于精确控制扭矩控制装置的压力的控制系统。 为实现上述目的, 本发明可以采用了以下技术方案中的任意一种:
一种扭矩控制装置的压力控制系统, 该系统包括:
电子控制装置 TCU;
控制压力调节阀, 接收电子控制装置 TCU的控制信号并输出控制压力; 固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受固定压力的输入接口、 与 结合压力调节阀反馈接口连接的输出接口、 位于其阀芯一侧的与控制压力油路连接的 控制接口;
结合压力调节阀, 具有连接系统主油压油路的输入接口、 扭矩传递装置活塞腔结 合压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口和弹簧腔、 位于其阀芯另一侧的与控制压力油路连接的控制接口;
当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将结合压力与结合压力调 节阀的反馈接口连接, 结合压力控制阀输出与控制信号成比例的结合压力; 当控制压 力达到压力切换阀弹簧设定值时, 压力切换阀将固定压力与结合压力调节阀的反馈接 口连接, 结合压力调节阀将主压接口与结合压力接口连通。
一种扭矩控制装置的压力控制系统, 该系统包括:
电子控制装置 TCU;
控制压力调节阀, 接收电子控制装置 TCU的控制信号并输出控制压力; 固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受固定压力的输入接口、 与 结合压力调节阀反馈接口连接输出接口、 位于其阀芯一侧的与控制压力油路连接的控 制接口;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口和弹簧腔; 当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将结合压力与结合压力调 节阀的反馈接口连接, 结合压力控制阀输出与控制信号成比例的结合压力; 当控制压 力达到压力切换阀弹簧设定值时, 压力切换阀将控制压力与结合压力调节阀的反馈接 口连接, 结合压力调节阀将主压接口与结合压力接口连通。
一种扭矩控制装置的压力控制系统, 该系统包括:
电子控制装置 TCU;
控制压力调节阀, 接收电子控制装置 TCU的控制信号并输出控制压力; 固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受控制压力的输入接口、 与 结合压力调节阀控制接口连接输出接口、 位于其阀芯一侧的与控制压力油路连接的控 制接口;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受结合反馈接口和弹簧腔、 位于其阀芯另一侧的 接受压力切换阀输出的控制接口;
当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将控制压力与结合压力调 节阀的控制接口连接, 结合压力控制阀输出与控制信号成比例的结合压力; 当控制压 力达到压力切换阀弹簧设定值时, 压力切换阀将结合压力与结合压力调节阀的控制接 口连接, 结合压力调节阀将主压接口与结合压力接口连通。
一种扭矩控制装置的压力控制系统, 该系统包括:
电子控制装置 TCU;
控制压力调节阀, 接收电子控制装置 TCU的控制信号并输出控制压力; 固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受卸压腔的输入接口、 与结 合压力调节阀控制接口连接输出接口、 位于其阀芯一侧的与控制压力油路连接的控制 接口;
选择阀, 由钢球组成, 具有接受控制压力的第一输入口、 接受压力切换阀输出的 第二输入口, 具有与结合压力调节阀控制腔连接的输出口, 输出口总是与压力较大的 输入口相通;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口和弹簧腔、 位 于其阀芯另一侧的接受选择阀输出的控制接口;
当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将泄油腔与选择阀的输入 接口连接, 控制压力通过选择阀进入结合压力控制阀的控制腔, 结合压力控制阀输出 与控制信号成比例的结合压力; 当控制压力达到压力切换阀弹簧设定值时, 压力切换 阀将结合压力与选择阀的输入连接, 结合压力通过选择阀与结合压力调节阀控制接口 连接, 结合压力调节阀将主压接口与结合压力接口连通。
一种扭矩控制装置的压力控制系统, 该系统包括:
电子控制装置 TCU;
控制压力调节阀, 接收电子控制装置 TCU的控制信号并输出控制压力; 固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受卸油腔的输入接口、 与结 合压力调节阀控制接口连接输出接口、 位于其阀芯一侧的与控制压力油路连接的控制 接口;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口和弹簧腔、 位 于其阀芯另一侧的接受压力切换阀输出的控制接口和接受控制压力的第二控制接口; 当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将卸压腔与结合压力调节 阀的控制接口连接, 结合压力控制阀输出与控制信号成比例的结合压力; 当控制压力 达到压力切换阀弹簧设定值时, 压力切换阀将结合压力与结合压力调节阀的控制接口 连接, 结合压力调节阀将主压接口与结合压力接口连通。
上述 5种技术方案中, 控制压力调节阀一般选用电磁阀, 通过对电磁阀的控制压 力的精确控制来进行控制扭矩控制装置结合时的压力, 并且在扭矩传递装置结合后, 电磁阀压力超过设定值时, 通过压力切换阀作用使压力调节阀中的高压油口与扭矩控 制装置的活塞腔相通, 使其具有足够的扭矩容量。
下面再提供两种压力控制系统, 同样能够实现上述目的:
一种扭矩控制装置的压力控制系统, 该系统包括:
电子控制装置 TCU;
控制压力调节阀, 接收电子控制装置 TCU的控制信号并输出控制压力; 固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受控制压力的输入接口、 具有接受卸压腔的输入接口、 与结 合压力调节阀反向控制接口连接输出接口、 位于其阀芯一侧的与控制压力油路连接的 控制接口;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口和弹簧腔、 位 于其阀芯另一侧的与控制压力油路连接的控制接口和与控制接口作用方向相反的反向 控制接口;
当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将控制压力与结合压力调 节阀的反向控制接口连接, 结合压力控制阀输出斜率较小的结合压力; 当控制压力达 到压力切换阀弹簧设定值时, 压力切换阀将卸压腔与结合压力调节阀的反向控制接口 连接, 结合压力调节阀输出变化斜率较大的结合压力。
一种扭矩控制装置的压力控制系统, 该系统包括:
电子控制装置 TCU;
控制压力调节阀, 接收电子控制装置 TCU的控制信号并输出控制压力; 固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受卸油腔的输入接口、 与结 合压力调节阀反馈接口连接的输出接口、 位于其阀芯一侧的与控制压力油路连接的控 制接口;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口、 弹簧腔和与 压力切换阀输出连接的第二反馈口、 位于其阀芯另一侧的接受压力切换阀输出的控制 接口;
当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将结合压力与结合压力调 节阀的第二反馈口连接, 结合压力调节阀的反馈面积增大, 结合压力控制阀输出与控 制信号成比例的变化斜率较小的结合压力;当控制压力达到压力切换阀弹簧设定值时, 压力切换阀将卸压口与结合压力调节阀的第二反馈口连接, 结合压力调节阀的反馈面 积变小, 结合压力控制阀输出与控制信号成比例的变化斜率较大的结合压力。
上述 2种技术方案中, 通过在扭矩传递装置结合时通过压力切换阀的切换使结合 压力调节阀的控制压力作用面积减小, 或者使反馈面积增大, 采用与控制压力调节阀 控制压力成比例的变化斜率较小的结合压力从而有利于对结合压力进行精确控制, 并 且在扭矩传递装置结合后, 即无相对滑动后, 通过压力切换阀的切换使结合压力调节 阀的控制压力作用面积增大, 或者使反馈面积减小, 从而使结合压力变化斜率增大, 使具有足够的扭矩容量。 附图说明
图 1、 2分别是两种具体的控制压力和结合压力关系示意图;
图 3-图 9分别是本发明的液压控制原理图。 具体实施方式
实施例 1
图 3中, 压力控制系统包括电子控制装置 TCU100、控制压力调节阀 110, 控制压 力调节阀 110—般为电磁阀;
压力切换阀 120、 压力切换阀中的与控制压力油路连接的控制接口 121、 压力切 换阀中的接受结合压力的输入接口 122、 压力切换阀中的接受固定压力的输入接口 123、 压力切换阀中的弹簧腔或泄油压力 124、 压力切换阀中的与结合压力调节阀反馈 接口连接的输出接口 125、 压力切换阀中的阀芯 126、 压力切换阀中的弹簧 127; 结合压力调节阀 130、 结合压力调节阀中的与控制压力油路连接的控制接口 131、 结合压力调节阀中的卸压口 132、结合压力调节阀中的卸压口 133、结合压力调节阀中 的与系统主油压连接的控制接口 134、 结合压力调节阀中的接受压力切换阀输出压力 的反馈接口和弹簧腔 135、结合压力调节阀中的活塞腔结合压力的输出接口 136、结合 压力调节阀中的阀芯 137、 结合压力调节阀中的弹簧 138。
如图 3所示, 电子控制装置 TCU100输出控制信号给控制压力调节阀 110, 控制 压力调节阀 110输出与控制信号成比例的压力, 控制压力调节阀 110的输出压力经过 控制接口 131和控制接口 121作用在结合压力调节阀 130的控制腔和压力切换阀 120 的控制腔。 当控制压力调节阀 110的输出压力小于压力切换阀弹簧设定值时, 压力切 换阀 120的输入接口 122与输出接口 125相通, 结合压力通过输入接口 122与输出接 口 125进入结合压力调节阀 130的反馈接口和弹簧腔 135。 结合压力调节阀 130输出 与控制压力调节阀 110的控制压力成比例的结合压力; 当控制压力调节阀 110的输出 压力大于压力切换阀 120的弹簧 127设定值时, 压力切换阀 120的输入接口 123与输 出接口 125相通, 给控制压力调节阀 110供油的固定压力经过接口 123、 125进入结合 压力调节阀 130的反馈腔的反馈接口 135, 结合压力调节阀 130的阀芯 137右移, 控 制接口 134与输出接口 136相通, 使结合压力等于系统主油压。
实施例 2
图 4中, 压力控制系统包括电子控制装置 TCU100、控制压力调节阀 110, 控制压 力调节阀 110—般为电磁阀;
压力切换阀 120、 压力切换阀中的与控制压力油路连接的控制接口 121、 压力切 换阀中的接受结合压力的输入接口 122、 压力切换阀中的接受控制压力的输入接口 123、 压力切换阀中的弹簧腔或泄油压力 124、 压力切换阀中的与结合压力调节阀反馈 接口连接的输出接口 125、 压力切换阀中的阀芯 126、 压力切换阀中的弹簧 127;
结合压力调节阀 130、 结合压力调节阀中的与控制压力油路连接的控制接口 131、 结合压力调节阀中的卸压口 132、结合压力调节阀中的卸压口 133、结合压力调节阀中 的与系统主油压连接的控制接口 134、 结合压力调节阀中的接受压力切换阀输出压力 的反馈接口和弹簧腔 135、结合压力调节阀中的活塞腔结合压力的输出接口 136、结合 压力调节阀中的阀芯 137、 结合压力调节阀中的弹簧 138。
电子控制装置 TCU100输出控制信号给控制压力调节阀 110,控制压力调节阀 110 输出与控制信号成比例的压力, 控制压力调节阀 110 的输出压力经过控制接口 131、 控制接口 121、 输入接口 123作用在结合压力调节阀 130的控制腔、 压力切换阀 120 的控制腔。 当控制压力调节阀 110的输出压力小于压力切换阀 120的弹簧 127的设定 值时, 压力切换阀 120的输入接口 122、 输出接口 125相通, 结合压力通过输入接口 122、 输出接口 125进入结合压力调节阀 130的反馈接口和弹簧腔 135。 结合压力调节 阀 130输出与控制压力调节阀 110的控制压力成比例的结合压力; 当控制压力调节阀 110的输出压力大于压力切换阀 120的弹簧 127设定值时, 压力切换阀 120的输入接 口 123与输出接口 125相通, 控制压力调节阀 110输出的控制压力经过输入接口 123、 输出接口 125进入结合压力调节阀 130的反馈接口和弹簧腔 135,结合压力调节阀 130 的阀芯 137右移,系统主油压腔即控制接口 134与扭矩控制装置活塞腔即输出接口 136 相通, 使结合压力等于系统主油压。
实施例 3
图 5中, 压力控制系统包括电子控制装置 TCU100、控制压力调节阀 110, 控制压 力调节阀 110—般为电磁阀;
压力切换阀 120、 压力切换阀中的与控制压力油路连接的控制接口 121、 压力切 换阀 120中的接受控制压力的输入接口 122、 压力切换阀中的接受结合压力的输入接 口 123、压力切换阀 120中的弹簧腔或泄油压力 124、压力切换阀中的与结合压力调节 阀控制接口连接的输出接口 125、压力切换阀中的阀芯 126、压力切换阀中的弹簧 127 ; 结合压力调节阀 130、 结合压力调节阀中的接受压力切换阀输出的控制接口 131、 结合压力调节阀中的卸压口 132、结合压力调节阀中的卸压口 133、结合压力调节阀中 的与系统主油压连接的控制接口 134、 结合压力调节阀中的结合压力反馈接口和弹簧 腔 135、结合压力调节阀中的活塞腔结合压力的输出接口 136、结合压力调节阀中的阀 芯 137、 结合压力调节阀中的弹簧 138 ;
电子控制装置 TCU100输出控制信号给电磁阀 110, 控制压力调节阀 110输出与 控制信号成比例的压力, 控制压力调节阀 110的输出压力作用在压力切换阀 120的控 制腔即控制接口 121和输入接口 122连通的控制腔。 当控制压力调节阀 110的输出压 力小于压力切换阀 120的弹簧 127设定值时, 压力切换阀 120的输入接口 122与输出 接口 125相通,
控制压力通过输入接口 122、 输出接口 125进入结合压力调节阀 130的控制腔即 控制接口 131。 结合压力调节阀 130输出与控制压力调节阀 110的控制压力成比例的 结合压力; 当控制压力调节阀 110的输出压力大于压力切换阀 120的弹簧 127设定值 时,压力切换阀 120的输入接口 123腔与输出接口 125腔相通,结合压力经过接口 123、 125进入结合压力调节阀 130的控制腔即反馈接口和弹簧腔 135, 结合压力调节阀 130 的阀芯 137右移,系统主油压腔即控制接口 134与扭矩控制装置活塞腔即输出接口 136 相通, 使结合压力等于系统主油压。
实施例 4
图 6中, 压力控制系统包括电子控制装置 TCU100、控制压力调节阀 110, 控制压 力调节阀 110—般为电磁阀;
压力切换阀 120、 压力切换阀 120中的与控制压力油路连接的控制接口 121、 压 力切换阀 120中的卸压口 122、压力切换阀 120中的接受结合压力的输入接口 123、压 力切换阀 120中的弹簧腔或泄油压力 124、 压力切换阀 120中的与选择阀 140的第二 输入口 12的输出接口 125、 压力切换阀 120中的阀芯 126 ; 压力切换阀 120中的弹簧 127;
结合压力调节阀 130、 结合压力调节阀 130中的接受选择阀 140输出的控制接口 131、 结合压力调节阀 130中的卸压口 132、 结合压力调节阀 130中的卸压口 133、 结 合压力调节阀 130中的与系统主油压连接的控制接口 134、 结合压力调节阀 130中的 结合压力反馈接口和弹簧腔 135、 结合压力调节阀 130 中的活塞腔结合压力的输出接 口 136、 结合压力调节阀 130中的阀芯 137、 结合压力调节阀 130中的弹簧 138 ;
选择阀 140、 接受控制压力的第一输入口 141、 接受压力切换阀 120输出的第二 输入口 142、 选择阀 140的输出口 143。
电子控制装置 TCU100输出控制信号给控制压力调节阀 110,控制压力调节阀 110 输出与控制信号成比例的压力,控制压力调节阀 110的输出压力作用在压力切换阀 120 的控制腔即控制接口 121和选择阀 140的第一输入口 141。 当控制压力调节阀 110的 输出压力小于压力切换阀 120的弹簧 127设定值时, 压力切换阀 120的卸压口 122与 选择阀 140 的第二输入口 142相通, 卸油腔压力通过接口 122、 125进入选择阀 140 的第二输入口即控制腔 142。 控制压力的压力经过选择阀 140的第一输入口 141进入 结合压力调节阀 130, 输出与控制压力调节阀 110 的控制压力成比例的结合压力; 当 控制压力调节阀 110的输出压力大于压力切换阀 120的弹簧 127设定值时, 压力切换 阀 120的输入接口 123与输出接口 125腔相通, 结合压力经过接口 123、 125进入选择 阀第二输入口即控制腔 142腔, 结合压力经选择阀 140进入结合压力调节阀 130的控 制腔即控制接口 131, 结合压力调节阀 130的阀芯 137右移, 系统主油压腔的控制接 口 134与扭矩控制装置活塞腔的输出接口 136相通, 使结合压力等于系统主油压。 实施例 5
图 7中, 压力控制系统包括电子控制装置 TCU100、控制压力调节阀 110, 控制压 力调节阀 110—般为电磁阀;
压力切换阀 120、 压力切换阀中的与控制压力油路连接的控制接口 121、 压力切 换阀中的卸压口 122、压力切换阀中的接受结合压力的输入接口 123、压力切换阀中的 弹簧腔或泄油压力 124、 压力切换阀中的与结合压力调节阀控制接口连接的输出接口 125、 压力切换阀中的阀芯 126、 压力切换阀中的弹簧 127;
结合压力调节阀 130、 结合压力调节阀 130中的接受压力切换阀输出的控制接口 131、 结合压力调节阀 130中的接收控制压力的控制接口 132、 结合压力调节阀 130中 的卸压口 133、结合压力调节阀 130中的卸压口 134、结合压力调节阀 130中的与系统 主油压连接的控制接口 135、结合压力调节阀 130中的结合压力反馈接口和弹簧腔 136、 结合压力调节阀 130中的活塞腔结合压力的输出接口 137、 结合压力调节阀 130中的 弹簧 138、 结合压力调节阀 130中的阀芯 139 ; 结合压力调节阀 130中的小阀芯 139a; 电子控制装置 TCU100输出控制信号给控制压力调节阀 110,控制压力调节阀 110 输出与控制信号成比例的压力,控制压力调节阀 110的输出压力作用在压力切换阀 120 的控制腔即控制接口 121和结合压力调节阀 130的控制接口 132所连的腔室。 当控制 压力调节阀 110的输出压力小于压力切换阀 120弹簧 127设定值时, 压力切换阀 120 的卸压口 122与输出接口 125所在的腔室相通, 卸油腔压力通过卸压口 122、 输出接 口 125进入结合压力调节阀 130的控制腔即控制接口 131。 结合压力调节阀 130输出 与控制压力调节阀 110的控制压力成比例的结合压力; 当控制压力调节阀 110的输出 压力大于压力切换阀 120的 弹簧 127设定值时,压力切换阀 120的输入接口 123与输 出接口 125所在腔相通, 结合压力经过接口 123、 125进入结合压力调节阀 130的控制 接口 131, 结合压力进入结合压力调节阀 130的控制腔, 结合压力调节阀 130的阀芯 139右移, 系统主油压腔即控制接口 135与扭矩控制装置活塞腔即结合压力的输出接 口 137相通, 使结合压力等于系统主油压。
上述实施例 1-5中, 控制压力调节阀一般选用电磁阀, 控制压力和结合压力关系 如图 1所示, 通过对电磁阀的控制压力的精确控制来进行控制扭矩控制装置结合时的 压力, 并且在扭矩传递装置结合后, 电磁阀压力超过设定值后, 通过压力切换阀作用 使压力调节阀中的高压油口与扭矩控制装置的活塞腔相通,使其具有足够的扭矩容量。 实施例 6
图 8中, 压力控制系统包括电子控制装置 TCU100、控制压力调节阀 110, 控制压 力调节阀 110—般为电磁阀;
压力切换阀 120、 压力切换阀中的与控制压力油路连接的控制接口 121、 压力切 换阀中的接受控制压力的输入接口 122、 压力切换阀中的接受卸压腔的输入接口 123、 压力切换阀中的弹簧腔或泄油压力 124、 压力切换阀中的与结合压力调节阀反向控制 接口连接的输出接口 125、 压力切换阀中的阀芯 126、 压力切换阀中的弹簧 127;
结合压力调节阀 130、 结合压力调节阀中的与控制压力油路连接的控制接口 131、 结合压力调节阀中的卸压口 132、结合压力调节阀中的卸压口 133、结合压力调节阀中 的与系统主油压连接的控制接口 134、 结合压力调节阀中的接受压力切换阀输出压力 的反馈接口和弹簧腔 135、结合压力调节阀中的活塞腔结合压力的输出接口 136、结合 压力调节阀中的阀芯 137、 结合压力调节阀中的弹簧 138 ;
电子控制装置 100输出控制信号给控制压力调节阀 110, 控制压力调节阀 110输 出与控制信号成比例的压力, 控制压力调节阀 110的输出压力作用在结合压力调节阀 130的控制腔控制接口 131和压力切换阀 120的控制腔即输入接口 121。当控制压力调 节阀 110的输出压力小于压力切换阀 120的弹簧 127设定值时, 压力切换阀 120的输 入接口 122与输出接口 125所在的腔室相通, 控制压力通过接口 122、 125进入结合压 力调节阀 130的反向控制压力腔即卸压口 132。 控制压力调节阀 110控制压力作用面 积较小, 结合压力调节阀 130输出变化速度较小的结合压力; 当控制压力调节阀 110 的输出压力大于压力切换阀 120的弹簧 127设定值时, 压力切换阀 120的接口 123与 125相通, 泄油腔压力经过接口 123、 125进入结合压力调节阀 130的反向控制压力腔 即卸压口 132, 控制压力调节阀 110控制压力作用面积较大, 结合压力的变化速度增 大。
实施例 7
图 9中, 压力控制系统包括电子控制装置 TCU100、控制压力调节阀 110, 控制压 力调节阀 110—般为电磁阀;
压力切换阀 120、 压力切换阀中的与控制压力油路连接的控制接口 121、 压力切 换阀中的接收结合压力控制阀结合压力的输入接口 122、 压力切换阀中的卸压口 123、 压力切换阀中的弹簧腔或泄油压力 124、 压力切换阀中的与结合压力调节阀反馈接口 连接的输出接口 125、 压力切换阀中的阀芯 126、 压力切换阀中的弹簧 127; 结合压力调节阀 130、 结合压力调节阀中的接受压力切换阀输出的控制接口 131、 结合压力调节阀中的卸压口 132、结合压力调节阀中的卸压口 133、结合压力调节阀中 的系统主压力输入口 134、 结合压力调节阀中的与压力切换阀输出口连接的反馈接口 135、 结合压力调节阀中的与扭矩控制装置活塞腔连接的结合压力输出接口 136、 结合 压力调节阀中的阀芯 137、结合压力调节阀中的弹簧 138、结合压力调节阀中 130的结 合压力反馈接口和弹簧腔 138a;
电子控制装置 TCU100输出控制信号给控制压力调节阀 110,控制压力调节阀 110 输出与控制信号成比例的压力,控制压力调节阀 110的输出压力作用在压力切换阀 120 的控制腔控制接口 121和结合压力调节阀 130的控制接口 131。当控制压力调节阀 110 的输出压力小于压力切换阀 120的弹簧 127设定值时, 压力切换阀 120的接口 122、 125所在腔室相通, 活塞腔结合压力通过接口 122、 125进入结合压力调节阀 130的反 馈腔即反馈接口 135所连腔室。 结合压力调节阀 130的压力反馈面积增大, 结合压力 调节阀 130输出与控制压力调节阀 110的控制压力成比例的斜率较小结合压力; 当控 制压力调节阀 110的输出压力大于压力切换阀 120弹簧设定值时, 压力切换阀 120的 接口 123、 125所连腔室相通, 卸油腔经过接口 123、 125进入结合压力调节阀中的与 压力切换阀输出口连接的反馈接口 135, 结合压力调节阀 130的反馈接口 135卸压, 结合压力调节阀 130的反馈面积减小,结合压力调节阀 130输出与控制压力调节阀 110 的控制压力成比例的斜率较大结合压力。
上述实施例 6-7中, 控制压力和结合压力关系如图 2所示, 通过在扭矩传递装置 结合时通过压力切换阀的切换使结合压力调节阀的控制压力作用面积减小, 或者使反 馈面积增大, 采用与控制压力调节阀控制压力成比例的变化斜率较小的结合压力从而 有利于对结合压力进行精确控制, 并且在扭矩传递装置结合后, 即无相对滑动后, 通 过压力切换阀的切换使结合压力调节阀的控制压力作用面积增大, 或者使反馈面积减 小, 从而使结合压力变化斜率增大, 使具有足够的扭矩容量。

Claims

权利要求书
1、 一种扭矩控制装置的压力控制系统, 其特征在于, 该系统包括:
电子控制装置;
控制压力调节阀, 接收电子控制装置的控制信号并输出控制压力;
固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受固定压力的输入接口、 与 结合压力调节阀反馈接口连接的输出接口、 位于其阀芯一侧的与控制压力油路连接的 控制接口;
结合压力调节阀, 具有连接系统主油压油路的输入接口、 扭矩传递装置活塞腔结 合压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口和弹簧腔、 位于其阀芯另一侧的与控制压力油路连接的控制接口;
当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将结合压力与结合压力调 节阀的反馈接口连接, 结合压力控制阀输出与控制信号成比例的结合压力; 当控制压 力达到压力切换阀弹簧设定值时, 压力切换阀将固定压力与结合压力调节阀的反馈接 口连接, 结合压力调节阀将主压接口与结合压力接口连通。
2、 一种扭矩控制装置的压力控制系统, 其特征在于, 该系统包括:
电子控制装置;
控制压力调节阀, 接收电子控制装置的控制信号并输出控制压力;
固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受固定压力的输入接口、 与 结合压力调节阀反馈接口连接输出接口、 位于其阀芯一侧的与控制压力油路连接的控 制接口;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口和弹簧腔; 当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将结合压力与结合压力调 节阀的反馈接口连接, 结合压力控制阀输出与控制信号成比例的结合压力; 当控制压 力达到压力切换阀弹簧设定值时, 压力切换阀将控制压力与结合压力调节阀的反馈接 口连接, 结合压力调节阀将主压接口与结合压力接口连通。
3、 一种扭矩控制装置的压力控制系统, 其特征在于, 该系统包括: 电子控制装置;
控制压力调节阀, 接收电子控制装置的控制信号并输出控制压力;
固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受控制压力的输入接口、 与 结合压力调节阀控制接口连接输出接口、 位于其阀芯一侧的与控制压力油路连接的控 制接口;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受结合反馈接口和弹簧腔、 位于其阀芯另一侧的 接受压力切换阀输出的控制接口;
当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将控制压力与结合压力调 节阀的控制接口连接, 结合压力控制阀输出与控制信号成比例的结合压力; 当控制压 力达到压力切换阀弹簧设定值时, 压力切换阀将结合压力与结合压力调节阀的控制接 口连接, 结合压力调节阀将主压接口与结合压力接口连通。
4、 一种扭矩控制装置的压力控制系统, 其特征在于, 该系统包括:
电子控制装置;
控制压力调节阀, 接收电子控制装置的控制信号并输出控制压力;
固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受卸压腔的输入接口、 与结 合压力调节阀控制接口连接输出接口、 位于其阀芯一侧的与控制压力油路连接的控制 接口;
选择阀, 由钢球组成, 具有接受控制压力的第一输入口、 接受压力切换阀输出的 第二输入口, 具有与结合压力调节阀控制腔连接的输出口, 输出口总是与压力较大的 输入口相通;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口和弹簧腔、 位 于其阀芯另一侧的接受选择阀输出的控制接口;
当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将泄油腔与选择阀的输入 接口连接, 控制压力通过选择阀进入结合压力控制阀的控制腔, 结合压力控制阀输出 与控制信号成比例的结合压力; 当控制压力达到压力切换阀弹簧设定值时, 压力切换 阀将结合压力与选择阀的输入连接, 结合压力通过选择阀与结合压力调节阀控制接口 连接, 结合压力调节阀将主压接口与结合压力接口连通。
5、 一种扭矩控制装置的压力控制系统, 其特征在于, 该系统包括:
电子控制装置;
控制压力调节阀, 接收电子控制装置的控制信号并输出控制压力;
固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受卸油腔的输入接口、 与结 合压力调节阀控制接口连接输出接口、 位于其阀芯一侧的与控制压力油路连接的控制 接口;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口和弹簧腔、 位 于其阀芯另一侧的接受压力切换阀输出的控制接口和接受控制压力的第二控制接口; 当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将卸压腔与结合压力调节 阀的控制接口连接, 结合压力控制阀输出与控制信号成比例的结合压力, 当控制压力 达到压力切换阀弹簧设定值时, 压力切换阀将结合压力与结合压力调节阀的控制接口 连接, 结合压力调节阀将主压接口与结合压力接口连通。
6、 一种扭矩控制装置的压力控制系统, 其特征在于, 该系统包括:
电子控制装置;
控制压力调节阀, 接收电子控制装置的控制信号并输出控制压力;
固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受控制压力的输入接口、 具有接受卸压腔的输入接口、 与结 合压力调节阀反向控制接口连接输出接口、 位于其阀芯一侧的与控制压力油路连接的 控制接口;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口和弹簧腔、 位 于其阀芯另一侧的与控制压力油路连接的控制接口和与控制接口作用方向相反的反向 控制接口; 当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将控制压力与结合压力调 节阀的反向控制接口连接, 结合压力控制阀输出斜率较小的结合压力, 当控制压力达 到压力切换阀弹簧设定值时, 压力切换阀将卸压腔与结合压力调节阀的反向控制接口 连接, 结合压力调节阀输出变化斜率较大的结合压力。
7、 一种扭矩控制装置的压力控制系统, 其特征在于, 该系统包括:
电子控制装置;
控制压力调节阀, 接收电子控制装置的控制信号并输出控制压力;
固定压力油路, 为控制压力调节阀供油的油路;
压力切换阀, 具有接受结合压力的输入接口、 具有接受卸油腔的输入接口、 与结 合压力调节阀反馈接口连接的输出接口、 位于其阀芯一侧的与控制压力油路连接的控 制接口;
结合压力调节阀,具有连接系统主油压油路的输入接口、扭矩传递装置活塞腔结合 压力的输出接口、 位于其阀芯一侧接受压力切换阀输出压力的反馈接口、 弹簧腔和与 压力切换阀输出连接的第二反馈口、 位于其阀芯另一侧的接受压力切换阀输出的控制 接口;
当控制压力小于压力切换阀弹簧设定值时, 压力切换阀将结合压力与结合压力调 节阀的第二反馈口连接, 结合压力调节阀的反馈面积增大, 结合压力控制阀输出与控 制信号成比例的变化斜率较小的结合压力;当控制压力达到压力切换阀弹簧设定值时, 压力切换阀将卸压口与结合压力调节阀的第二反馈口连接, 结合压力调节阀的反馈面 积变小, 结合压力控制阀输出与控制信号成比例的变化斜率较大的结合压力。
PCT/CN2013/081284 2012-08-20 2013-08-12 扭矩控制装置的压力控制系统 Ceased WO2014029283A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
RU2014153841/11A RU2593166C2 (ru) 2012-08-20 2013-08-12 Система регулирования давления устройства регулирования крутящего момента
US14/407,377 US9759312B2 (en) 2012-08-20 2013-08-12 Pressure control system of torque control device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210295466.XA CN102797840B (zh) 2012-08-20 2012-08-20 扭矩控制装置的压力控制系统
CN201210295466.X 2012-08-20

Publications (1)

Publication Number Publication Date
WO2014029283A1 true WO2014029283A1 (zh) 2014-02-27

Family

ID=47197077

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/081284 Ceased WO2014029283A1 (zh) 2012-08-20 2013-08-12 扭矩控制装置的压力控制系统

Country Status (4)

Country Link
US (1) US9759312B2 (zh)
CN (1) CN102797840B (zh)
RU (1) RU2593166C2 (zh)
WO (1) WO2014029283A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797840B (zh) 2012-08-20 2014-11-05 奇瑞汽车股份有限公司 扭矩控制装置的压力控制系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005042888A (ja) * 2003-07-25 2005-02-17 Toyota Motor Corp 車両用無段変速機の油圧制御装置
CN1858467A (zh) * 2005-05-03 2006-11-08 现代自动车株式会社 自动变速器的压力控制系统
CN101021266A (zh) * 2006-02-13 2007-08-22 丰田自动车株式会社 用于带锁止离合器的车辆用流体传动装置的液压控制设备
CN101878383A (zh) * 2008-03-31 2010-11-03 爱信艾达株式会社 起步装置的油压控制装置
US20120000740A1 (en) * 2010-06-30 2012-01-05 Aisin Aw Co., Ltd. Hydraulic pressure control device
CN102797840A (zh) * 2012-08-20 2012-11-28 奇瑞汽车股份有限公司 扭矩控制装置的压力控制系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4833304B1 (zh) * 1969-08-06 1973-10-13
US5404301A (en) * 1993-06-07 1995-04-04 Eaton Corporation Method and apparatus of vehicle transmission control by assured minimum pulse width
US6471613B1 (en) * 2000-08-23 2002-10-29 Daimlerchrysler Corporation Transmission with variable line pressure
JP4800014B2 (ja) * 2005-03-31 2011-10-26 本田技研工業株式会社 油圧回路の制御装置
US7485062B2 (en) * 2006-02-27 2009-02-03 Chrysler Llc Hydraulic control system with variably regulated line pressure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005042888A (ja) * 2003-07-25 2005-02-17 Toyota Motor Corp 車両用無段変速機の油圧制御装置
CN1858467A (zh) * 2005-05-03 2006-11-08 现代自动车株式会社 自动变速器的压力控制系统
CN101021266A (zh) * 2006-02-13 2007-08-22 丰田自动车株式会社 用于带锁止离合器的车辆用流体传动装置的液压控制设备
CN101878383A (zh) * 2008-03-31 2010-11-03 爱信艾达株式会社 起步装置的油压控制装置
US20120000740A1 (en) * 2010-06-30 2012-01-05 Aisin Aw Co., Ltd. Hydraulic pressure control device
CN102797840A (zh) * 2012-08-20 2012-11-28 奇瑞汽车股份有限公司 扭矩控制装置的压力控制系统

Also Published As

Publication number Publication date
CN102797840A (zh) 2012-11-28
US9759312B2 (en) 2017-09-12
US20150167831A1 (en) 2015-06-18
CN102797840B (zh) 2014-11-05
RU2593166C2 (ru) 2016-07-27
RU2014153841A (ru) 2016-07-20

Similar Documents

Publication Publication Date Title
JP2008032221A (ja) Dct油圧制御システムの動作方法およびdct油圧制御システム
US20110118080A1 (en) Transmission hydraulic control system having clutch compensator feed override
CN106233042B (zh) 包括多个压力调节阀的变速器的液压系统
JP2012530889A (ja) 自動変速機及び自動変速機を動作させるための方法
JP2005502008A5 (zh)
US10371216B2 (en) Drain valve
CA2784373A1 (en) Fast valve actuation system for an automatic transmission
CA2784384A1 (en) System and method for multiplexing gear engagement control and providing fault protection in a toroidal traction drive automatic transmission
US10215280B2 (en) Hydraulic system of an automatic transmission with multiple valve devices
JP2014098487A (ja) ハイドロスタティック式の駆動システム
CN103542019A (zh) 双离合自动变速器的离合器液压控制装置
DE102007013614A1 (de) Druckregelung in einem Automatikgetriebe
CN100520102C (zh) 能够检测填充结束的离合器控制调节阀
US8806863B2 (en) Hydraulic transmission control
WO2014029283A1 (zh) 扭矩控制装置的压力控制系统
CN101398047A (zh) 带有双区域应用活塞的变速器的控制系统
US20150129385A1 (en) Hydraulic control system with etrs and multiplexed clutch control for a transmission
CN111051743B (zh) 用于机动车自动变速器的液压紧急行驶挡功能的阀系统
US9897197B2 (en) Valve system for controlling a system pressure control system
US4616532A (en) Automatic transmission hydraulic pressure control system with one-way fluid drain passage bypassing downshift timing subsystem
KR101220377B1 (ko) 자동차의 무단 변속기용 유압 제어시스템
GB2140883A (en) Lock-up clutch control
GB2445872A (en) Prioritising hydraulic supply between a clutch actuating circuit and a gearshift actuating circuit of an automatic manual transmission (AMT)
CN100543346C (zh) 自动变速器的压力控制系统
CN207989598U (zh) 一种离合器的液压控制系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13831805

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 14407377

Country of ref document: US

ENP Entry into the national phase

Ref document number: 2014153841

Country of ref document: RU

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13831805

Country of ref document: EP

Kind code of ref document: A1