CN101551008B - The hydraulic control valve apparatus of automatic transmission - Google Patents
The hydraulic control valve apparatus of automatic transmission Download PDFInfo
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- CN101551008B CN101551008B CN200910128245.1A CN200910128245A CN101551008B CN 101551008 B CN101551008 B CN 101551008B CN 200910128245 A CN200910128245 A CN 200910128245A CN 101551008 B CN101551008 B CN 101551008B
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Abstract
The present invention relates to the hydraulic control valve apparatus of a kind of automatic transmission, even if also being able to make its Oil hydraulic character stable in the case of valve is not in oil.This device possesses: valve body (2), and it forms the oil hydraulic circuit of pressure oil, is arranged on vehicle horizontally；Oil pressure cntrol is with valve (4), and it is upper and have guiding valve (22) that it is disposed in valve body (2) in the way of parallel with the upper surface of valve body (2), will be accommodated in damping chamber (RDA) spring (23) elastic force to guiding valve (22) apply.And, the upper surface at valve body (2) is formed for the tap from oil pressure cntrol valve (4) discharge pressure oil and by the damping chamber (R of tap Yu oil pressure cntrol valve (4)DA) the first access (W of connecting1)。
Description
Technical field
The present invention relates to the particularly valve gear in the hydraulic pressure control device of a kind of automatic transmission.
Background technology
The automatic transmission being loaded on vehicle possess multiple friction fastened component such as clutch and brake,
With the hydraulic pressure control device to friction fastened component supply pressure oil, friction fastened component accepts from oil pressure
Control the supply of pressure oil of device and action, by optionally switching to coupled situation or released state
And determine the gear ratio of automatic transmission.
Hydraulic pressure control device possesses: valve body, and it is being internally formed the oil being connected with each friction fastened component
Road (oil hydraulic circuit)；Speed change is with valve (oil pressure cntrol valve), and it is arranged on above-mentioned valve body, open and close valve
Internal oil circuit carrys out control piper pressure (loop pressure) to the supply of each friction fastened component.Speed change valve is big
Being configured to electromagnetic valve more, in detail, possess: pressure-regulating portion, it has guiding valve and spring；Electromagnetism portion,
It has plunger this plunger of Electromagnetic Drive, and speed change valve makes the load of plunger act on guiding valve side, and
And make the load of spring act on opposite side.And, by making these loads reach balance, input is pressed
It is adjusted to the output pressure corresponding with the input signal (electromagnetic force) to electromagnetism portion.
, there is above-mentioned valve body and be arranged in the situation being positioned at the oil sump below automatic transmission.Should
In the case of, owing to valve body is immersed in the oil of oil sump, it is installed on the speed change valve of valve body also so becoming
Impregnated in the state in oil, in the damping chamber of speed change valve, be constantly filled with oil.
On the other hand, in order to guarantee that in the lower section of automatic transmission enough spaces are avoided making valve body and car
Drive shaft or the suspension etc. of wheel interfere, also by set along to valve body and oil sump in automatic transmission
Side (with reference to patent documentation 1).
Patent documentation 1:(Japan) Unexamined Patent 6-34024 publication
So, automatic transmission is arranged and is restricted, there is also such as speed change valve and be arranged in valve body
Upside etc. and make speed change valve not be immersed in oil sump and then the not situation in oil, in this case,
Oil is occurred to be full of the state of damping chamber and the oily state being not filled with damping chamber.
So, vehicle is parked in inclined plane or suddenly accelerates and make pasta run-off the straight, and thus, oil flows into and subtracts
Shake room, and, in the case of long-time halted state continues etc., its oil flowed into is from guiding valve and sleeve
Gap outflow etc., thus oil flows out in damping chamber.
There are the following problems, i.e. when the oil mass state in damping chamber changes, acts on guiding valve
Damping behavior changes, and the Oil hydraulic character of speed change valve changes.If the Oil hydraulic character of speed change valve
Change, then instruction pressure is raw with actual Hair Fixer to be deviated from, it is possible to cause velocity shock.
It addition, speed change valve is in addition to above-mentioned electromagnetic valve, also by making the load of spring and first pilot
Load acts on guiding valve to drive the oil pressure valves such as the pilot valve (pilot-operated type valve) of guiding valve to be constituted.The most same
Produce following problem, i.e. in the case of speed change valve is made up of oil pressure valve, when the oil mass in damping chamber
The damping behavior acting on guiding valve when state changes changes, and the Oil hydraulic character of speed change valve occurs
Change.
Summary of the invention
The present invention makes in view of above-mentioned problem, its object is to provide the oil of a kind of automatic transmission
Voltage-controlled system valve gear, even if also be able to make its Oil hydraulic character stable in the case of valve is not in oil.
To achieve these goals, first aspect present invention provides the oil pressure cntrol of a kind of automatic transmission to use
Valve gear, it is loaded on vehicle, it is characterised in that possess: valve body, and it forms the oil pressure of pressure oil
Loop, is arranged on described vehicle horizontally；Oil pressure cntrol valve, it is with the upper surface with described valve body
Parallel mode is disposed on described valve body and has guiding valve, will be accommodated in the elastic force of the spring of damping chamber
Applying to described guiding valve, the upper surface at described valve body is formed for discharging from described oil pressure cntrol valve
The tap of pressure oil and the damping chamber of described tap with described oil pressure cntrol valve is connected
One access.
Second aspect present invention is on the basis of first aspect, it is provided that the oil pressure cntrol valve of automatic transmission
Device, it is characterised in that described oil pressure cntrol valve has: it is also slided by the described guiding valve of internal storage
The housing that guides, being formed at the outlet of described housing to discharge described pressure oil, described first even
The outlet of described oil pressure cntrol valve is connected by path with the damping chamber of described oil pressure cntrol valve.
Third aspect present invention is on the basis of second aspect, it is provided that the oil pressure cntrol valve of automatic transmission
Device, it is characterised in that adjacent on described valve body be equipped with multiple described oil pressure cntrol valve, and
Being also formed with the second access, this second access is by the outlet of an adjacent oil pressure cntrol valve and phase
Damping chamber's connection of another adjacent oil pressure cntrol valve.
Fourth aspect present invention is on the basis of second or third aspect, it is provided that the oil pressure control of automatic transmission
System valve gear, it is characterised in that adjacent on described valve body be equipped with multiple described oil pressure cntrol valve,
And also it being formed with third connecting road, this third connecting road is by the damping chamber of an adjacent oil pressure cntrol valve
Connect with the damping chamber of another adjacent oil pressure cntrol valve.
Fifth aspect present invention is on the basis of the 3rd or fourth aspect, it is provided that the oil pressure control of automatic transmission
System valve gear, it is characterised in that if oil pressure source is during i.e. oil pump is in driving, then continue to a described oil
Voltage-controlled system valve input pressure oil, and the pressure oil pressure regulation that this input is come by a described oil pressure cntrol valve
Become the oil pressure of regulation.
Sixth aspect present invention is on the basis of the second～the 5th either side in aspect, it is provided that fluid drive
The hydraulic control valve apparatus of device, it is characterised in that described oil pressure cntrol valve is electromagnetic valve, is control
Make the speed change valve of the supply of the described pressure oil friction fastened component to described automatic transmission, and have
Standby loop presses regulation valve, this loop pressure regulation valve to join in the way of parallel with the upper surface of described valve body
It is located on described valve body, from pressure oil described in oil pressure source i.e. oil pump sustainable supply and is discharged from outlet
Described pressure oil, is also formed with the 4th access on described valve body, and the 4th access is by described loop
The outlet of pressure regulation valve connects with the damping chamber of described speed change valve.
Seventh aspect present invention provides the hydraulic control valve apparatus of a kind of automatic transmission, and it is loaded into car
On, it is characterised in that possess: valve body, it forms the oil hydraulic circuit of pressure oil, is arranged on horizontally
On described vehicle；Speed change valve, it is disposed in described valve in the way of parallel with the upper surface of described valve body
On body and there is guiding valve, the elastic force being accommodated in the spring of damping chamber is applied to described guiding valve, described change
Speed valve controls the supply of the described pressure oil friction fastened component to described automatic transmission；Loop pressure is adjusted
Saving valve, it is disposed on described valve body in the way of parallel with the upper surface of described valve body, by from oil pressure
Pressure oil described in source i.e. oil pump sustainable supply and from outlet discharge described pressure oil, at described valve body
Upper surface is formed with the 4th access, the 4th access by described loop pressure regulation valve outlet with
Damping chamber's connection of described speed change valve.
Eighth aspect present invention is on the basis of the first～the 7th either side in aspect, it is provided that fluid drive
The hydraulic control valve apparatus of device, it is characterised in that be equipped with cover above described access.
The hydraulic control valve apparatus of automatic transmission according to a first aspect of the present invention, though due to by
In the case of making oil pressure cntrol valve be not in oil in the restriction arranged, it is also possible to by the first connection
Road supplies oil supply from tap and makes oil be reliably stored in damping chamber, so can make in damping chamber
The Oil hydraulic character of oil pressure cntrol valve keeps stable, it is possible to prevent from leading owing to instruction pressure deviates from actual pressure
The velocity shock caused.
Here, when guiding valve from formed discharge oil flow into damping chamber connectivity slot time, pressure regulation stop
Time or maximum end finger when making etc., oil can flow out from damping chamber on the contrary, but due to present invention shape on valve body
Become the first access, so not worrying this thing.
As long as further, since valve body oil pressure cntrol valve upper section formed such as one straight line groove
, so the distance of the first access can be shortened, and processability when forming the first access is good
Good, it is possible to reduce processing cost.Especially, in the case of by foundry goods formed valve body, as long as comprising
First access forms mold, it is possible to improves processability further, reduces processing cost further.
The hydraulic control valve apparatus of automatic transmission according to a second aspect of the present invention, due to oil pressure cntrol
Having housing with valve, so the first access is formed on valve body, and the valve chamber receiving guiding valve is formed at
With on the housing of valve body split, it is also possible on housing, form the first access.But, in contrast to this,
Valve body only forms the first access preferably.
The hydraulic control valve apparatus of automatic transmission according to a third aspect of the present invention, though another oil pressure
Control valve is non-driven state, it is also possible to by the driving of an oil pressure cntrol valve, from an oil pressure cntrol
Oil supply is supplied via the damping chamber of second connection another pressure control valve valve of road direction by the outlet of valve, it is possible to
Oil is the most stably saved in the damping chamber of another oil pressure cntrol valve.
It addition, in the case of the structure big for the outlet of another oil pressure cntrol valve and interval, damping chamber,
By supplying from the outlet of an adjacent oil pressure cntrol valve to the damping chamber of another oil pressure cntrol valve
Oil, it is possible to shorten the total length (meeting the first access and the length of the second access) of access, and energy
Enough reduce processing cost.
The hydraulic control valve apparatus of automatic transmission according to a fourth aspect of the present invention, though another oil pressure
Control valve is non-driven state, it is also possible to by the driving of an oil pressure cntrol valve, from an oil pressure cntrol
Oil supply is supplied via the damping chamber of another pressure control valve valve of third connecting road direction with the damping chamber of valve, it is possible to
Oil is the most stably saved in the damping chamber of another oil pressure cntrol valve.
The hydraulic control valve apparatus of automatic transmission according to a fifth aspect of the present invention, drives if oil pump is in
Disorder of internal organs, then continue to oil pressure cntrol valve input oil, therefore, from the beginning of electromotor starts, to an oil
Voltage-controlled system valve is for oil supply, even if another oil pressure cntrol valve is in non-driven, it is also possible to from electromotor
Start and start stably to supply to the damping chamber of another oil pressure cntrol valve oil supply, when electromotor starts beginning
The Oil hydraulic character making multiple oil pressure cntrol valve keeps stable.
The hydraulic control valve apparatus of automatic transmission according to a sixth aspect of the present invention, owing to pressing from loop
The outlet of regulation valve continues discharge pressure oil and the damping chamber via the 4th connection road direction speed change valve supplies
Give, so oil reliably can be saved in damping chamber, it is possible to make the Oil hydraulic character of speed change valve keep stable.
The hydraulic control valve apparatus of automatic transmission according to a seventh aspect of the present invention, owing to pressing from loop
The outlet of regulation valve persistently discharges oil the damping chamber's supply via the 4th connection road direction speed change valve,
So oil reliably can be saved in damping chamber, it is possible to make the Oil hydraulic character of speed change valve keep stable.
The hydraulic control valve apparatus of automatic transmission according to a eighth aspect of the present invention, it is possible to prevent respectively
Foreign body (dust) is invaded in access (first～the 4th access).
Accompanying drawing explanation
Fig. 1 is the valve body of the hydraulic control valve apparatus of the automatic transmission of first embodiment of the invention
Diagrammatic top view；
Fig. 2 is showing of the hydraulic control valve apparatus of the automatic transmission representing first embodiment of the invention
It is intended to, is that the A-A of Fig. 1 is to pseudosection；
Fig. 3 is showing of the hydraulic control valve apparatus of the automatic transmission representing first embodiment of the invention
It is intended to, is that the B-B of Fig. 1 is to pseudosection；
Fig. 4 is the valve body of the hydraulic control valve apparatus of the automatic transmission of second embodiment of the invention
Diagrammatic top view；
Fig. 5 is the valve body of the hydraulic control valve apparatus of the automatic transmission of third embodiment of the invention
Diagrammatic top view；
Fig. 6 is the valve body of the hydraulic control valve apparatus of the automatic transmission of four embodiment of the invention
Diagrammatic top view.
Description of reference numerals
1 hydraulic pressure control device
2 valve bodies
3 pressure-regulating valves (loop pressure regulation valve)
4 first electromagnetic valves (another oil pressure cntrol valve, speed change valve)
5 second electromagnetic valves (an oil pressure cntrol valve, speed change valve)
6 the 3rd electromagnetic valves (another oil pressure cntrol valve, speed change valve)
10 electromagnetism portions
11 coils
12 plungers
20 pressure regulator valve portions
21 sleeves (housing)
22 guiding valves
23 springs
W1～W3First access
W4、W5Second access
W6、W7Third connecting road
W84th access
RDADamping chamber
RSPValve chamber
PDROutlet
PTNInput port
POUTDelivery outlet
Detailed description of the invention
Hereinafter, referring to the drawings embodiments of the present invention are illustrated.
[the first embodiment]
Fig. 1～Fig. 3 is that the oil pressure cntrol valve of the automatic transmission representing first embodiment of the invention fills
The figure put, Fig. 1 is the top view of this valve body, and Fig. 2 is cuing open of the first electromagnetic valve of being disposed on this valve body
Face figure (A-A of Fig. 1 is to pseudosection), Fig. 3 is the 3rd electromagnetic valve being disposed on this valve body
Profile (B-B of Fig. 1 is to pseudosection).
<composition>
The automatic transmission of present embodiment is the automatic transmission being loaded on vehicle, possess clutch and
Multiple friction fastened component such as brake and the hydraulic pressure control device to friction fastened component supply pressure oil,
Friction fastened component accepts the supply of the pressure oil from hydraulic pressure control device and carries out action, by selecting
Switch to coupled situation or released state and determine its gear ratio to property.
As it is shown in figure 1, hydraulic pressure control device 1 possesses: oil pump (oil pressure source omits diagram), it is sent out
Motivation drives and sprays pressure oil；Valve body 2, it is being internally formed oriented each friction fastened component supply pressure
Oily supply oil circuit (supply oil hydraulic circuit) and the discharge oil circuit from each friction fastened component discharge pressure oil
(discharge oil hydraulic circuit)；Pressure-regulating valve (loop pressure regulation valve) 3, it is disposed on valve body 2,
The pressure pressure regulation of the pressure oil sprayed by oil pump is become the pipeline pressure (loop pressure) of regulation；Multiple electromagnetic valves (oil
Voltage-controlled system valve, speed change valve) 4～6, it is together disposed on valve body 2 with pressure-regulating valve 3, opens
Supply oil circuit and discharge oil circuit in valve closing body 2 control the pressure oil supply to each friction fastened component.
It addition, valve body 2 horizontal on vehicle (level) is arranged.It addition, by hydraulic pressure control device 1
Valve body 2, pressure-regulating valve 3 and electromagnetic valve 4～6 constitute the hydraulic control valve apparatus of present embodiment.
The upper surface that multiple electromagnetic valves 4～6 are respectively relative to valve body 2 configures substantially in parallel.Here, three
Individual electromagnetic valve 4～6 is adjacent one another are so that it is the most identical and arrange.In other words, multiple electromagnetic valves 4～6
It is arranged to respectively make its direction of principal axis substantially consistent with horizontal direction.
Here, multiple electromagnetic valves 4～6 are by controlling pressure oil to low range clutch (the first friction fastened component)
The low range clutch valve (following, the also referred to as first electromagnetic valve) 4 of supply, control pressure oil are to high gear clutch
High gear clutch valve (following, the also referred to as second electromagnetic valve) 5 that device (second friction fastened component) supplies,
And the brake valve that control pressure oil supplies to brake (the 3rd friction fastened component) (below, is also referred to as
Make the 3rd electromagnetic valve) 6 compositions.But, the kind of electromagnetic valve 4～6 is not limited to this, as long as directly
For the speed change valve of the switching of gear ratio, then can suitably change.
It addition, multiple electromagnetic valves 4～6 are utilized respectively the power of electromagnetic component (electric magnet) and make cunning described later
Valve (valve body) 22 action, as shown in Figures 2 and 3, is made up of electromagnetism portion 10 and pressure regulator valve portion 20.
Electromagnetism portion 10 has coil 11 and by being energized coil 11 and by axially driving plunger 12.
And, electromagnetism portion 10 produces magnetic attraction by being energized coil 11, attracts plunger 12, makes guiding valve
22 slide axially.
Pressure regulator valve portion 20 has sleeve (housing) 21, the guiding valve 22 slided in sleeve 21 and installs
Spring 23 in guiding valve 22 one end.
The damping chamber R of storage spring 23 it is formed with in sleeve 21DA, and the cunning of sliding guidance guiding valve 22
Valve chamber RSP.And, at the valve chamber R of sleeve 21SPPeripheral part be formed input pressure oil input
Mouth PIN, the delivery outlet P of pressure oil after output pressure regulationOUTAnd outlet P of discharge pressure oilDR。
As it has been described above, be provided with spring 23 in one end of guiding valve 22, and at its other end, plunger is installed
12.And, at the elastic force of one end of guiding valve 22 effect spring 23, and at its other end effect electromagnetism
The magnetic attraction in portion 10.That is, at the two ends of guiding valve 22, the elastic force of spring 23 and the magnetic in electromagnetism portion 10
Captivation direction relatively to, by elastic force and the balance of magnetic attraction of this spring 23, in sleeve 21
Axially guide slip, opening and closing each mouth PIN、POUT、PDR。
Here, as it is shown in figure 1, outside the upside of valve body 2 (above) be formed respectively by each electromagnetism
The damping chamber R of valve 4～6DAWith outlet PDRThe access W of connection1～W3.That is, first it is formed with
Access (the first access) W of electromagnetic valve 42, the access (the first access) of the second electromagnetic valve 5
W2And the 3rd access (the first access) W of electromagnetic valve 63.It addition, in Fig. 1, at access
W1～W3In draw a little so that identifying.
<action effect>
The hydraulic control valve apparatus of the automatic transmission of first embodiment of the invention is configured as described above,
Therefore there is following action effect.
Even if in the case of electromagnetic valve 4～6 not being arranged in oil owing to restricting by arranging, it is also possible to
By access W1～W3From outlet PDRTo damping chamber RDAInterior for oil supply, at damping chamber RDAIn
Reliably save oil, therefore, it is possible to make the Oil hydraulic character of electromagnetic valve 4～6 stablize, it is possible to prevent because of instruction pressure
The velocity shock deviated from actual pressure and cause.
Further, since need not be arranged in oil electromagnetic valve 4～6 design, so having valve body 2
The advantage that design freedom improves.
Here, such as when consider guiding valve 22 from form connection damping chamber RDAWith outlet PDR's
During the situation of groove, in this case, the input port P such as when pressure regulation stops or when maximum end finger makesINWith discharge
Mouth PDRWhen not connecting, damping chamber RDAInterior oil is likely from outlet PDRFlow out.It addition, when will be
(separator disk is being combined and structure separator disk by the lamination of multiple separately valve body such as epimere valve body and hypomere valve body
Become valve body 2 time, be loaded between valve body) in formed oil circuit time, owing to being mixed in other multiple oil circuits at this,
So the restriction being subject on arranging is big.In contrast, as shown in the embodiment, if at valve body 2
Upper formation access W1～W3, oil would not be from damping chamber RDAFlow out, be the most just not susceptible to access
W1～W3The restriction arranged, also therefore is able to eliminate above-mentioned two problem.
It addition, access W1～W3By damping chamber RDAWith outlet PDRConnection, therefore, as long as
The upper section shape of the electromagnetic valve 4～6 of valve body 2 groove in line, it is possible to shorten access W1~
W3Distance, and form access W1～W3Time processability good, it is possible to reduce processing cost.
[the second embodiment]
Then, with reference to Fig. 4, second embodiment of the present invention is illustrated.
Fig. 4 is the valve body of the hydraulic control valve apparatus of the automatic transmission of second embodiment of the invention
Top view.The parts identical with the first embodiment etc. use identical with the explanation of the first embodiment
Reference illustrates.
<composition>
In this second embodiment, as shown in Figure 4, hydraulic pressure control device 1A is except the first embodiment
Damping chamber R by each electromagnetic valve 4～6DAWith outlet PDRThe access W of connection1～W3Outside,
It is also formed with the damping chamber of the first electromagnetic valve (another oil pressure cntrol valve) 4 outside the upside of valve body 2A
RDA-4Outlet P with the second electromagnetic valve (an oil pressure cntrol valve) 5DR-5The access (the of connection
Two access) W4, with by the damping chamber R of the 3rd electromagnetic valve (another oil pressure cntrol valve) 6DA-6With
Outlet PDR of the second electromagnetic valve (an oil pressure cntrol valve) 5-5Access (second connection of connection
Road) W5。
That is, the second embodiment is configured to, in the electromagnetic valve 4～6 being adjacent to, and an adjacent electromagnetism
Outlet P of valve that is second electromagnetic valve 5DR-5, and adjacent another electromagnetic valve that is first and the 3rd electromagnetic valve
4, the damping chamber R of 6DA-4, damping chamber RDA-6Connection.
It addition, composition in addition is identical with the first embodiment, description will be omitted.
<action effect>
The hydraulic control valve apparatus of the automatic transmission of second embodiment of the invention is configured as described above,
Therefore there is following action effect.
Owing to being formed outlet P of an adjacent electromagnetic valve 5DR-5With another adjacent electromagnetic valve 4,
The damping chamber R of 6DA-4、RDA-6The access W of connection4、W5Even if, so another electromagnetic valve 4,6
For non-driven state, it is also possible to driving to the damping chamber of another electromagnetic valve 4,6 by an electromagnetic valve 5
RDA-4、RDA-6For oil supply, it is possible at the damping chamber R of another electromagnetic valve 4,6DA-4、RDA-6Stably
Save oil.
It addition, such as in the case of the structure big for the outlet of electromagnetic valve and interval, damping chamber, pass through
From the outlet of its adjacent electromagnetic valve for oil supply, it is possible to by the contraction in length of access.
Here, the electromagnetic valve 5 in preferred electromagnetic valve 4,6 is for unit's pressure and by it with the ejection pressure of oil pump
Pressure regulation becomes the electromagnetic valve of the oil pressure of regulation.Accordingly, due to an electromagnetic valve 5 when electromotor starts from the beginning of
Supply pressure oil, even if therefore another electromagnetic valve 4,6 also is able to start from electromotor open for non-driven state
Begin at the damping chamber R of another electromagnetic valve 4,6DA-4、RDA-6Reliably save oil, it is possible to from electromotor
The Oil hydraulic character making electromagnetic valve 4,6 after Dong immediately is stable.
Even if it addition, an electromagnetic valve 5 is not the electromagnetic valve that pressure is unit's pressure that sprays with oil pump, such as, yet
Can be the electromagnetic valve to press the most post-decompression pressure oil to press for unit the ejection of oil pump by air relief valve,
If it is crucial that oil pump is in driving, as long as then continue the electromagnetic valve to input port input pressure oil.
[the 3rd embodiment]
Then, with reference to Fig. 5, third embodiment of the present invention is illustrated.
Fig. 5 is the valve body of the hydraulic control valve apparatus of the automatic transmission of third embodiment of the invention
Top view.The parts identical with the first embodiment etc. use identical with the explanation of the first embodiment
Reference illustrates.
<composition>
In the third embodiment, as it is shown in figure 5, hydraulic pressure control device 1B is except the first embodiment
Damping chamber R by each electromagnetic valve 4～6DAWith outlet PDRThe access W of connection1～W3Outside,
It is also formed with the damping chamber of the first electromagnetic valve (another oil pressure cntrol valve) 4 outside the upside of valve body 2B
RDA-4Damping chamber R with the second electromagnetic valve (an oil pressure cntrol valve) 5DA-5The access (the of connection
Tee joint road) W6, with by the damping chamber R of the second electromagnetic valve (an oil pressure cntrol valve) 5DA-5With
The damping chamber R of three electromagnetic valves (another oil pressure cntrol valve) 6DA-6The access (third connecting road) of connection
W7。
That is, the 3rd embodiment is configured to, in the electromagnetic valve 4～6 being adjacent to, and an adjacent electromagnetism
The damping chamber R of valve 5DA-5Damping chamber R with another adjacent electromagnetic valve 4,6DA-4、RDA-6Connection.
It addition, composition in addition is identical with the first embodiment, description will be omitted.
<action effect>
The hydraulic control valve apparatus of the automatic transmission of third embodiment of the invention is configured as described above,
Therefore there is following action effect.
Owing to being formed the damping chamber R of an adjacent electromagnetic valve 5DA-5With another adjacent electromagnetic valve 4,
The damping chamber R of 6DA-4、RDA-6The access W of connection6、W7Even if, so another electromagnetic valve 4,6
For non-driven state, it is also possible to driving to the damping chamber of another electromagnetic valve 4,6 by an electromagnetic valve 5
RDA-4、RDA-6For oil supply, it is possible at the damping chamber R of another electromagnetic valve 4,6DA-4、RDA-6Stably
Save oil.
Here, as the second embodiment, preferably the electromagnetic valve 5 in electromagnetic valve 4,6 is with by single
Be that unit presses and by its pressure regulation to air relief valve by ejection pressure or the most post-decompression pressure of ejection pressure of oil pump of oil pump
If the such oil pump of oil pressure becoming regulation is in driving, continue the electromagnetism to input port input pressure oil
Valve.Accordingly, start from electromotor and start to an electromagnetic valve 5 supply pressure oil, though therefore another electromagnetism
Valve 4,6 is non-driven state, it is also possible to starts from electromotor and starts the vibration damping at another electromagnetic valve 4,6
Room RDA-4、RDA-6Reliably save oil, it is possible to start from electromotor and start to make the oil pressure of electromagnetic valve 4～6
Stability of characteristics.
[the 4th embodiment]
Then, with reference to Fig. 6, the 4th embodiment of the present invention is illustrated.
Fig. 6 is the valve body of the hydraulic control valve apparatus of the automatic transmission of four embodiment of the invention
Top view.It addition, the parts identical with the first embodiment and the 3rd embodiment etc. use real with first
The identical reference of explanation executing mode and the 3rd embodiment illustrates.
<composition>
In the 4th embodiment, as it is shown in figure 5, hydraulic pressure control device 1C is except the 3rd embodiment
Damping chamber R by each electromagnetic valve 4～6DAWith outlet PDRThe access W of connection1～W3, by first
The damping chamber R of electromagnetic valve 4DA-4Damping chamber R with the second electromagnetic valve 5DR-5The access W of connection6With
And the damping chamber R by the second electromagnetic valve 5DA-5Damping chamber R with the 3rd electromagnetic valve 6DA-6The connection of connection
Road W7Outside, it is also formed with outlet P of pressure-regulating valve 3 outside the upside of valve body 2CDR-3
Damping chamber R with the 3rd electromagnetic valve 6DA-6Access (the 4th access) W of connection8。
As it has been described above, the pressure pressure regulation of the pressure oil gushed out from oil pump is become regulation by pressure-regulating valve 3
Pipeline pressure, in detail, by from oil pump sustainable supply pressure oil and from outlet PDR-3Discharge pressure oil.
And, pressure-regulating valve 3 is disposed in and electromagnetic valve 4～6 close proximity, and so that its approximately axially
The mode consistent with horizontal direction is arranged to almost parallel relative to the upper surface of valve body 2.
It addition, composition in addition is identical with the 3rd embodiment, description will be omitted.
<action effect>
The hydraulic control valve apparatus of the automatic transmission of four embodiment of the invention is configured as described above,
Therefore there is following action effect.
Due to access W8Outlet P by pressure-regulating valve 3DR-3Damping chamber with the 3rd electromagnetic valve 6
RDA-6Connection, so from outlet P of regulation valve 3DR-3Persistently discharge oil, via access W6~
W8Damping chamber R to electromagnetic valve 4～6DA-4、RDA-5、RDA-6Supply, it is possible in damping chamber
RDA-4、RDA-5、RDA-6In reliably save oil, it is possible to the Oil hydraulic character making electromagnetic valve 4～6 is stable.
Here, in the present embodiment, it is also possible to by outlet P with pressure-regulating valve 3DR-3Connection
The damping chamber R of the 3rd electromagnetic valve 6DA-6Replace to the damping chamber R of the first electromagnetic valve 4DA-4Or second electromagnetism
The damping chamber R of valve 5DA-5.Alternatively, it is also possible to replace to pressure-regulating valve 3 continue from the first pilot of regulation
Guide with oil pump supply pressure oil such as valve (omit diagram) or torque-converters pressure regulator valves (omitting diagram) also
And it is not directly used for other the loop pressure regulation valve of the switching of gear ratio.It addition, each electromagnetism will be connected
The damping chamber R of valve 4～6DAAnd outlet PDRAccess W1～W3, connect the first electromagnetic valve 4
Damping chamber RDA-4And the second damping chamber R of electromagnetic valve 5DA-5Access W6, connect the second electromagnetic valve
The damping chamber R of 5DA-5And the 3rd damping chamber R of electromagnetic valve 6DA-6Access W7Can also be not necessarily
Valve body 2C is formed.
That is, persistently will supply from oil pumps such as pressure-regulating valve 3 or guide's valves as long as at least being formed on body 2C
Outlet P of regulation valve is pressed to the loop of pressure oilDR-3Arbitrary with the i.e. electromagnetic valve 4～6 of speed change valve
Individual damping chamber RDA-4～RDA-6Access (the W of connection8).
[other]
Above, embodiments of the present invention are illustrated, but the invention is not restricted to above-mentioned embodiment,
Without departing from the spirit and scope of the present invention, various deformation can be carried out.
Such as, in above-mentioned each embodiment, it is also possible at each access W1～W8Be provided above
Cover plate (covers).So, if arranging cover plate, then it is prevented from dirt and invades access W1～W8
In.
It addition, in above-mentioned each embodiment, electromagnetic valve 4～6 possesses three as speed change valve, but
It is that its quantity is not limited to this, as long as possessing at least two.
It addition, the composition of the respective embodiments described above is, electromagnetic valve 4～6 has sleeve 21, at sleeve 21
Interior formation valve chamber RSPBut it also may not there is the pattern of sleeve 21 for electromagnetic valve 4～6.Now, sliding
Valve chamber RSPIt is formed directly on valve body, and is formed at outlet P of sleeve 21DR-3Also serve as discharging
Hole and be formed on valve body.
It addition, in the respective embodiments described above, electromagnetic valve 4～6 as speed change with valve (oil pressure cntrol valve)
And constitute, but the type of drive of speed change valve is not limited to this, it is also possible to by being accommodated in the bullet of damping chamber
The elastic force of spring and first pilot act on the pilot-operated type valve of guiding valve and constitute speed change valve.
Claims (9)
1. a hydraulic control valve apparatus for automatic transmission, it is loaded on vehicle, and its feature exists
In, possess:
Valve body, it forms the oil hydraulic circuit of pressure oil, is arranged on described vehicle horizontally；
Oil pressure cntrol valve, it is disposed on described valve body in the way of parallel with the upper surface of described valve body
And having guiding valve, applied to described guiding valve by the elastic force of spring, this spring is incorporated in damping chamber,
Upper surface at described valve body is formed for the row from described oil pressure cntrol valve discharge pressure oil
The first access portalled and the damping chamber of described tap with described oil pressure cntrol valve is connected.
2. the hydraulic control valve apparatus of automatic transmission as claimed in claim 1, it is characterised in that
Described oil pressure cntrol valve has: internal receive described guiding valve and to the housing of its sliding guidance, be
Discharge described pressure oil and be formed at the outlet of described housing,
Described first access is by the outlet of described oil pressure cntrol valve and described oil pressure cntrol valve
Damping chamber connects.
3. the hydraulic control valve apparatus of automatic transmission as claimed in claim 2, it is characterised in that
Adjacent on described valve body it is equipped with multiple described oil pressure cntrol valve, and also is formed with second even
Path, this second access is by the outlet of an adjacent oil pressure cntrol valve and another adjacent oil pressure control
Damping chamber's connection of system valve.
4. the hydraulic control valve apparatus of automatic transmission as claimed in claim 2, it is characterised in that
Adjacent on described valve body it is equipped with multiple described oil pressure cntrol valve, and also is formed with the 3rd even
Path, this third connecting road is by the damping chamber of an adjacent oil pressure cntrol valve and another adjacent oil pressure control
Damping chamber's connection of system valve.
5. the hydraulic pressure control device of automatic transmission as claimed in claim 3, it is characterised in that
If oil pressure source is during i.e. oil pump is in driving, then continue to a described oil pressure cntrol valve input pressure
Oil, and a described oil pressure cntrol valve is by the oil pressure of pressure oil pressure regulation one-tenth regulation next for this input.
6. the hydraulic control valve apparatus of the automatic transmission as according to any one of Claims 1 to 5,
It is characterized in that,
Described oil pressure cntrol valve is electromagnetic valve, is the described pressure oil of control to described automatic transmission
The speed change valve of the supply of friction fastened component, and
Possessing loop pressure regulation valve, this loop pressure regulation valve is with parallel with the upper surface of described valve body
Mode is disposed on described valve body, by from pressure oil described in oil pressure source i.e. oil pump sustainable supply and from discharge
Mouth discharges described pressure oil,
Being also formed with the 4th access on described valve body, the pressure regulation of described loop is used by the 4th access
The outlet of valve connects with the damping chamber of described speed change valve.
7. the hydraulic control valve apparatus of the automatic transmission as according to any one of Claims 1 to 5,
It is characterized in that, above described access, be equipped with cover.
8. a hydraulic control valve apparatus for automatic transmission, it is loaded on vehicle, and its feature exists
In, possess:
Valve body, it forms the oil hydraulic circuit of pressure oil, is arranged on described vehicle horizontally；
Speed change valve, its be disposed on described valve body in the way of parallel with the upper surface of described valve body and
Having guiding valve, applied to described guiding valve by the elastic force of spring, this spring is incorporated in damping chamber, described change
Speed valve controls the supply of the described pressure oil friction fastened component to described automatic transmission；
Loop pressure regulation valve, it is disposed in described valve body in the way of parallel with the upper surface of described valve body
On, by from pressure oil described in oil pressure source i.e. oil pump sustainable supply and from outlet discharge described pressure oil,
Upper surface at described valve body is formed with the 4th access, and described loop pressure is adjusted by the 4th access
The damping chamber of the outlet and described speed change valve of saving valve connects.
9. the hydraulic control valve apparatus of automatic transmission as claimed in claim 8, it is characterised in that
It is equipped with cover above described access.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008092660A JP4602435B2 (en) | 2008-03-31 | 2008-03-31 | Valve device for hydraulic control of automatic transmission |
| JP092660/08 | 2008-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101551008A CN101551008A (en) | 2009-10-07 |
| CN101551008B true CN101551008B (en) | 2016-12-14 |
Family
ID=
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3253614A (en) * | 1964-02-28 | 1966-05-31 | Eimco Corp | Hydraulic control system |
| US7104273B1 (en) * | 2003-04-28 | 2006-09-12 | Sonnax Industries, Inc. | Torque converter clutch regulator valve assembly and method of installation |
| CN1858467A (en) * | 2005-05-03 | 2006-11-08 | 现代自动车株式会社 | Pressure control system for automatic transmission |
| CN101096997A (en) * | 2005-12-12 | 2008-01-02 | 现代自动车株式会社 | Oil pressure control system of automatic transmission |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3253614A (en) * | 1964-02-28 | 1966-05-31 | Eimco Corp | Hydraulic control system |
| US7104273B1 (en) * | 2003-04-28 | 2006-09-12 | Sonnax Industries, Inc. | Torque converter clutch regulator valve assembly and method of installation |
| CN1858467A (en) * | 2005-05-03 | 2006-11-08 | 现代自动车株式会社 | Pressure control system for automatic transmission |
| CN101096997A (en) * | 2005-12-12 | 2008-01-02 | 现代自动车株式会社 | Oil pressure control system of automatic transmission |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20140109 Address after: Shizuoka Applicant after: JATCO Ltd. Applicant after: NISSAN MOTOR Co.,Ltd. Address before: Shizuoka Applicant before: JATCO Ltd. |
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| GR01 | Patent grant |