CN103253102A - Valve system, a valve device with same and valve device for pneumatic suspension assembly - Google Patents
Valve system, a valve device with same and valve device for pneumatic suspension assembly Download PDFInfo
- Publication number
- CN103253102A CN103253102A CN2013101530528A CN201310153052A CN103253102A CN 103253102 A CN103253102 A CN 103253102A CN 2013101530528 A CN2013101530528 A CN 2013101530528A CN 201310153052 A CN201310153052 A CN 201310153052A CN 103253102 A CN103253102 A CN 103253102A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve gear
- manual
- executive component
- compressed air
- 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.)
- Granted
Links
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a valve system, a valve device with the valve system and a valve device for a pneumatic suspension assembly. The valve system comprises first, second valves respectively with a valve seat and a valve closing body and the valve closing body is kept at the preset position by the spring force which is applied by a common spring. The spring force acts on the valve closing body of the first valve and acts on the valve closing body of the second valve. The valve device with the valve system and the valve device for the pneumatic suspension assembly comprise: connection portions for air spring telescoping sacs of the pneumatic suspension assembly and compressed air storage devices, exhaust connection portions connected with the atmosphere, manual operation elements and non-manual operation elements, wherein the valve device can be adjusted by the manual operation elements and non-manual operation elements to connect the air spring telescoping sac with the compressed air storage device or the exhaust connection portion and the valve device also comprises a fastening device capable of fastening the device in at least one position by the manual operation element.
Description
The application is to be that October 13, application number in 2009 are 200910206310.8 and denomination of invention dividing an application for the Chinese invention patent application of " valve system, have its valve gear and be used for the valve gear of air suspension equipment " applying date.
Technical field
The present invention relates to a kind of valve system feature, that have first and second seat valves (Sitzventil) according to claim 1.The invention still further relates to a kind of valve gear feature, that be used for vehicle air suspension apparatus according to claim 13, valve system according to the present invention is applied in the described valve gear.The invention still further relates to a kind of valve gear feature, that be used for vehicle air suspension apparatus according to claim 17.The invention still further relates to a kind of according to claim 30, valve gear of being used for vehicle air suspension apparatus.
Background technology
In some valve is used, there is following demand, that is, operates described valve by different action types and operating energy.So for example by the known a kind of valve gear for vehicle air suspension apparatus of DE 102 32 554 B4, wherein, seat valve can optionally be operated by manual control button or electromagnet.In such valve system, can optionally operate seat valve by manual control button or electromagnet.In the valve system there, directly operate as follows by electromagnet, method is: described electromagnet is connected with the valve closing member of seat valve.Based on this direct operation, only can realize very little flow cross section there.
Be used for the air supply of the flexible capsule of air bellow of air suspension equipment is controlled and then with respect to traveling mechanism the level height position of vehicle structure adjusted according to the valve gear of the feature of claim 17.Be used for the air supply of the flexible capsule of air bellow of air suspension equipment is controlled according to the valve gear of the feature of claim 30.
Minimizing or the raising of air supply are automatically carried out according to the regulatory demand of identifying by electronic control package in the scope that the electronic horizon height is regulated in the flexible capsule of air bellow.Additionally, necessary is, for example when vehicle is carried out loading and unloading, improves or reduces stretch air supply in the capsule of air bellow by manual operation, in order to make the level height of vehicle for example be matched with the level height of loading/unloading platform.For this reason, commonly up to now, for electronically controlled level height regulating mechanism and for manual, the level height adjusting mechanism is used independent valve gear arbitrarily.For manual adjusting mechanism, what promote up to now is so-called revolving valve.By the known following motion of DE 10 2,004 035 691 A1, that is, and by the described applied valve gear of electronically controlled level height regulating mechanism and the combination of manual operating mechanism.
Summary of the invention
Task of the present invention is, a kind of valve system is described, bigger flow cross section be operated and be allowed to described valve system can by different action types.
This task solves by the valve system that provides in the claim 1.Claim 13 has provided the of the present invention favourable application according to claim 1.In its dependent claims, provided other favourable design plan of the present invention.
As long as in the application's scope, mention following element with the form of odd number, flexible capsule, pressurized air connecting portion or pressurized air lines of air bellow for example, then this also just comprises a plurality of such elements, for example system, plurality of compressed air connecting portion or the plurality of compressed airline of the flexible capsule of air bellow in the lump.
Advantage according to valve system of the present invention is, described valve system has with the simple relatively structure of member seldom and therefore can realize inexpensively.In addition, in the structure relative compact of described valve system, realize bigger flow cross section.Particularly by only use one shared, two seat valves are remained on the spring of predetermined position, and realize having the compact structure of few relatively member.Can in big flow cross section, dual, operation possibility independent of each other be set in simple mode by using two seat valves independent of each other.
Spring can design in a different manner.Feasible is that this spring remains on the position of opening, the position of closing or certain other position with the valve closure body.Then, the valve closure body can be offset by operating mechanism with respect to described position.
According to favorable structure scheme of the present invention, described valve system is constructed as follows, that is, the longitudinal axis of described valve closure body is aligned with each other basically.Thus, can realize compact valve system, wherein, described valve closure body is arranged between the described valve closure body with can be described as the spring dislocation-free of arranging " back-to-back " and sharing.
For the described valve closure body to described valve system is operated, advantageously can use different action types, for example manually operate, for example directly operate by jumper bar or by can be with the piston space ground connection operation of pressurized air operation, described piston for example can be subjected to pressurized air by the electromagnetic valve of electro-pneumatic by electromagnet by jumper bar.The favourable structural scheme of the present invention relates to a kind of valve gear for vehicle air suspension apparatus, wherein, uses at least one according to valve system of the present invention.
Favourable structural scheme according to this valve gear is provided with at least two valve systems.Manual handling device has axle, and this is applied on the valve closure body of corresponding first seat valve by cam and when this axle was operated, the valve closure body moved to other position from predetermined position.In addition, advantageously, heart was arranged between the described valve system during described axle occupy basically.In addition, advantageously, with being arranged on the side of described axle of deviating from of described valve system with the operated piston of pressurized air operation of described handling device.Thus, realize the seldom structure of the relative compact of part that has of described valve gear.
The present invention illustrates a kind of valve gear with manipulation comfort level of raising also based on following task.
This task solves by the present invention who provides in the claim 17.In its dependent claims, provided the favourable improvement embodiment of the present invention.
Valve gear according to the present invention has at least three run locations, that is: lifting position, lowering position and center position.On the lifting position, the flexible capsule of the air bellow that connects is filled with pressurized air.On lowering position, pressurized air is discharged from the flexible capsule of the air bellow that connects.On center position, the flexible capsule of air bellow separates with compressed air reserve device and exhaust connecting portion, that is to say, the air supply in the flexible capsule of air bellow remains unchanged.
The present invention improves the manipulation comfort level of valve gear as follows when manual control, method is: be provided with positioner, and can be with manual operating element screens at least one position by described positioner.Feasiblely thus be, make described manual operating element can screens on the described lifting position and/or on the described lowering position.Thus, manual operating element needn't be by operator's tightly grasping enduringly during lifting process and/or decline process.Particularly for the valve gear of structure certainly with resetting, following embodiment just, in described embodiment, the manual operating element of power ground operation of antagonism retracing spring in handling device at least, described positioner alleviates operator's burden.Even but in the valve gear of non-automatic-reset ground structure, under the situation of no positioner, for security reasons also press for operating element carried out manual fixing.Therefore, by introducing positioner, can implement for the operator the manipulation that valve gear is manual agreeablely.
Another advantage is, saves time when the loading and unloading of vehicle.Because in heavy duty truck, the decline process typically can continue until 2 minutes, so at this moment can implement the process that the unloading with goods carrying vehicle interrelates more smoothly and glibly by valve gear according to the present invention.So under situation about using according to valve gear of the present invention, chaufeur has for example been taken off the cope (Plane) of goods carrying vehicle during the decline process.The work-hours that brings is thus saved for cause significant the rationalization and cost savings for user's (for example transportation company) of valve gear of the present invention.
Described positioner can advantageously design like this,, overcomes the screens effect by manual actuating force that is, that is to say, the manual operating element that for example is stuck in lowering position can manually be brought center position into slightly arduously by the operator.
According to favourable improvement project of the present invention, positioner is constructed in the mode that can take off lock, and mode is: valve gear has be used to making positioner take off the release locking device of lock.Described release locking device can be advantageously the non-mode of operation manually constructing, and for example, described release locking device can be operated by electricity or pneumatic signal, and described signal acts on electromagnet or pressurized air piston.Similarly, the fabricate block that is configured to the release locking device of Electropneumatic is favourable.
Improvement project of the present invention has following advantage, namely, when described valve gear in advance since manual operating element by the screens of positioner on lifting position or lowering position during stop, from the signal of the valve gear of implementing by the outside with resetting, for example trigger ground by electronic control package, can automatically arrange in the center position.Thus, when the vehicle operating that is equipped with according to valve gear of the present invention, safety is improved, this be because: can avoid when the loading or unloading process finishes, under the carelessness situation, forget described valve gear is reset to described center position.Advantageously, for example can come the speed of monitoring vehicle by electronic control package.In case electronic control package recognizes: vehicle no longer is in suspended state or vehicle has reached certain moving velocity, then can operate release locking device by electric signal or pneumatic singal, thereby described positioner takes off lock and manual executive component is released.Thus, described valve gear can be taken to center position.
According to favourable improvement project of the present invention, described valve gear has release locking device, and described release locking device is operated when the non-manual executive component of operation and made positioner take off lock thus.Because the operation of release locking device and operation to non-manual executive component are coupled so closely, and can avoid conflicting between the run location of selecting by manual operating element and the run location of selecting by non-manual executive component of valve gear.In context, can be understood as conflict: select by manual operating element and be different from the other run location of selecting by non-manual executive component, for example an element requires to realize the lifting position, and another element requires to realize lowering position.
According to favourable improvement project of the present invention, release locking device can have electromagnet, pneumatic valve or the combination of the two.Favourable for example is the release locking device that direct electromagnetic ground works, this be because need not the pressurized air of adding here and can cancel corresponding, can be with the member of pressurized air operation.Following change scheme also advantageously, wherein, described release locking device has can be with the piston of pressurized air operation.So, take off lock and can for example be operated by non-manual executive component control ground by this pressure signal that just is present in the described valve gear.Also advantageously, described release locking device can load by the pressure signal that causes described valve gear from the outside with the piston of pressurized air operation.Following release locking device advantageously in addition, it has can be by the pneumatic valve of electromagnet operation, and this pneumatic valve is to imposing pressurized air with the piston of pressurized air operation.
According to favourable improvement project of the present invention, described non-manual executive component is configured to can the electric executive component of operating.At this, the executive component of energy electricity operation can advantageously have can be by the pneumatic valve of electromagnet operation.This has following advantage, that is, because pressurized air is to the support of operating process, described electromagnet system can the design of relative compact ground and thereby has a relatively little electrical energy demands.
According to favourable improvement project of the present invention, executive component that can electricity operation have independent electromagnet respectively for lowering position and for the lifting position, described electromagnet have attach troops to a unit in this electromagnet, can be by the pneumatic valve of this electromagnet operation.According to another favourable improvement project, release locking device as follows with described two electromagnets or with can be by the pneumatic valve coupling of described electromagnet operation, that is, under the situation of operating one of described electromagnet, operate described release locking device and make positioner take off lock thus.Thus, can be described as the lifting that has realized executive component that can electricity operation require with the logic of the requirement that descends " or " related.
In favourable embodiment of the present invention, realize by double check valve (DCV) in the described pneumatic part that is associated in described valve gear that described double check valve (DCV) is associated the pressure signal that is used for operating described release locking device of the pressure signal of first and second pneumatic valves of executive component that can the electricity operation and outgoing side.At this, described double check valve (DCV) is connected with first and second pneumatic valves at input side, and at outgoing side, pressure signal guides to first compressed air cell from double check valve (DCV), can take off the lock piston to first of release locking device by this first compressed air cell and impose pressurized air.
According to favourable embodiment of the present invention, can arrange second of described release locking device take off the lock piston replace double check valve (DCV), described second take off the lock piston can be subjected to pressurized air by second compressed air cell.Here, first compressed air cell can be connected with one of pneumatic valve of executive component that can electricity operation, and second compressed air cell is connected with another pneumatic valve.Thus, when the pressurized air loop disconnects, mentioned logic " or " association is feasible equally.
According to another favourable embodiment, described release locking device can be by the operation of electrical connection section electricity.The electrical connection section of release locking device as follows with the electrical connection section coupling of executive component that can electricity operation, that is, release locking device is operated when the non-manual executive component of operation and is made described positioner take off lock thus.The coupling of described electrical connection section is advantageously carried out as follows, that is, lifting require and the logic that requires of descending " or " related being implemented, for example realize by logic gate or by the connection of diode, as elaborating in an embodiment.
Also advantageously, be provided with direct electrical connection the between the electrical connection section of electronic control package and release locking device with replacing.In this case, electronic control package can be implemented the lock that takes off of positioner by the appropriate software algorithm at desirable time point.At this, controller for electric consumption especially can be with respect to the information of other sensor, and the information of moving velocity sensor for example is in order to implement the lock that takes off of positioner at appropriate time point.
The present invention namely, illustrates a kind of valve gear of the structure with low cost of described type before also based on following task.
This task solves by the present invention who provides in the claim 30.In its dependent claims, provided the favourable improvement embodiment of the present invention.
Valve gear according to the present invention has following advantage, that is, this valve gear can be manufactured inexpensively.This especially the structure of the described type by having few relatively part realize.Another advantage is, described valve gear can assemble fast and simply, and this makes that equally described valve gear is with low cost.Another advantage of the present invention is, described manual manipulation be relative comfort and be feasible at ergonomic, this is that described operating element can be operated in different directions because be provided with only manual operating element.Another advantage of the present invention is to use following mechanical control element, described control element both will transfer to valve system from the operation wish of manual operating element as single shared control element, will transfer to valve system from the operation wish of non-manual executive component again.
Described non-manual executive component can advantageously can be operated by a large amount of possible operating energies.For example advantageously, non-manual executive component can electricity operatively or can pneumatically operatively construct.Under the situation of the executive component that is configured to electrically actuatable, this operation can for example be undertaken by electromagnet directly in the mode of electricity, is applied to described electromagnet direct mechanical on the control element of machinery.Under pneumatically-operated situation, Pneumatic pressure can for example act directly on the side that is configured to the pneumatic action face of mechanical control element.According to favourable improvement project, mechanical control element is connected with piston in being arranged in compressed air cell, and described piston makes the mechanical control element motion when compressed air cell is imposed pressurized air.Thus, described compressed air cell can divide two parts ground structure especially, makes mechanical control element apply by pressurized air and both can move in the one direction, again can be at the opposing party's upward movement.
Also advantageously, electricity operation and pneumatic operative combination are become the operation of electro-pneumatic.In this case, non-manual executive component have can electromagnetic ground the pneumatic valve of operation, described valve provides so-called pre-control presssure to the executive component that can pneumatically operate and causes the motion of mechanical control element whereby.
The favourable improvement project according to the present invention, mechanical control element can manually be operated by action button.This action button can be advantageously mechanically as follows with the mechanical control element decoupling, that is, the motion that is triggered by non-manual executive component (namely for example electric operation signal) of mechanical control element is not followed or not exclusively followed to action button.This has following advantage, that is, the caused possible execution disorder of motion of the automatic triggering by action button can be avoided at the operator place.Advantageously, action button is provided with backlash (Totweg), and the described backlash twice with the maximum stroke of mechanical control element at least is the same big.
According to favourable improvement project, described valve gear has positioner, can be with manual operating element screens at least one position by this positioner.Thus, in the time of can further improving manual control, the handling comfort of described valve gear.Feasible especially is, make it possible to screens in the lifting position (the flexible capsule of air bellow is filled with pressurized air) and/or lowering position (pressurized air is discharged the flexible capsule from air bellow).Thus, not operating element that will be manual by operator's tightly grasping enduringly, this makes the time saves time at vehicle loading and unloading during lifting process and/or decline process.
According to favourable improvement project, the screens of positioner can be by removing by the electric release locking device of operating.Thus, can resist action button does not reset from lowering position or lifting position under the carelessness situation, method is: for example be provided for the electronic control package that level height regulates and can automatically remove screens when needed, this for example travels and need regulate adaptive travelling by level height and carry out during level height when vehicle.Mechanical control element can be taken off lock by edge and M/C side before electricity operation or electro-pneumatic operation in the opposite direction, thereby manual operating element is converted to center position again.
Description of drawings
The present invention is described in detail below in conjunction with the embodiment that uses accompanying drawing.
Wherein:
Fig. 1 illustrates at the air suspension equipment of using according to two loops under the situation of valve gear of the present invention with scheme drawing, and
Fig. 2 illustrates according to valve system of the present invention with section-drawing, and
Fig. 3 to 7 illustrates different embodiment according to valve gear of the present invention with section-drawing, and
Fig. 8 illustrates another embodiment according to valve gear of the present invention with section-drawing, and
Fig. 9 illustrates another embodiment according to valve gear of the present invention with section-drawing.
The specific embodiment
In the drawings, identical Reference numeral is used for corresponding parts each other.
Fig. 1 illustrates the structure of two return-air suspension apparatus in the six-wheel vehicle with scheme drawing.This vehicle has wheel 4, and wheel 4 is arranged in pairs on corresponding axletree.Vehicle structure stretches capsule 3 with respect to the axletree springing by air bellow.The flexible capsule 3 of air bellow be arranged in wheel 4 wheel suspension portion near.The level height of vehicle structure with respect to wheel 4 can be changed in the border of determining by the flexible capsule 3 of air bellow.Air suspension equipment according to Fig. 1 is ground, two loops structure, that is to say, this air suspension equipment has another pressurized air loop that is used for the pressurized air loop on vehicle right side and is used for vehicle left side.Described pressurized air loop respectively has the flexible capsule 3 of three air bellows, and the flexible capsule 3 of described air bellow is connected with corresponding pneumatic circuit 16,17. Circuit 16,17 is connected with the pneumatic connecting portion 14,15 of the valve gear 6 of the type according to the present invention.The pneumatic connecting portion 18 of described valve gear 6 is connected with the compressed air reserve device by pneumatic circuit 13 again.The compressed air reserve device illustrates as compressed air reserve container 2 in the embodiment in figure 1.In the vehicle of the pressurized air supply with oneself, compressed air reserve container 2 also is connected with the pressurized air supply arrangement usually, just is connected with compressor, air dryer and multiloop protective valve.
Valve gear 6 also has exhaust connecting portion 12, and pressurized air can be discharged in the atmosphere by this exhaust connecting portion 12.
Air suspension equipment has following advantage as the embodiment of two loop equipment,, can improve the swing stability of vehicle that is, and this is because stoped the compensation of pressurized air between vehicle left side and vehicle right side to be flowed.
Valve gear 6 can be operated by electromagnetic valve 7,8 by electric operation signal.Additionally, valve gear 6 can be operated by manual operating element 9.Described electromagnetic valve 7,8 is connected with electronic control package 5 by electric line.
Valve gear 6 is on the one hand for the vehicle level height being regulated in the scope that the electronic horizon height is regulated by electronic control package 5 and keeping constant.Valve gear 6 is used for manually changing the level height position of vehicle in addition, and described level height position is different from by electronic control package 5 nominal level height and position given in advance.Manual Change Example like this is as being necessary in that vehicle is carried out loading and unloading at loading/unloading platform.In order manually to change level height, valve gear 6 is provided with operating element 9.Described operating element 9 for example can be configured to valve gear band rotating operation mechanism control lever (according to Fig. 3) or be configured to control button (according to Fig. 2).Therefore, the operating element 9 according to Fig. 1 represents all types of manual operating elements.
Valve gear 6 can manually and by electric operating mechanism be placed in the position " lifting " " decline " " neutrality ".Concept " position " is represented the position of valve gear 6 in the scope of present patent application, that is to say function.The position of determining of corresponding with controlled position of operating element 9 is valve gear 6 wherein, can arrange definite other position according to the implementation type of operating element 9.
In position " lifting ", pressure conducts in the flexible capsule 3 of air bellow from compressed air reserve container 2.In position " decline " 18, air is disposed to atmosphere from the flexible capsule 3 of air bellow via exhaust connecting portion 12.In position " neutrality " 19, the air supply in the flexible capsule 3 of air bellow does not change.
Schematically with section-drawing favourable embodiment of the present invention is shown at Fig. 2.Valve system 200 has first seat valve 21,24 and second seat valve 22,25.Described seat valve advantageously is configured to plate valve.First seat valve has the valve seat 24 that is formed by the housing edge and the valve closure body 21 that is configured to valve plate.With it similarly, second seat valve has the valve seat 25 that formed by another housing edge 25 and with the valve closure body 22 of planar structure.Valve closure body 21,22 longitudinal axis are aligned with each other basically.
On position shown in Figure 2, first and second seat valves cut out.Be furnished with shared spring 23 between the side that deviates from valve seat 25 of the side that deviates from valve seat 24 of valve closure body 21 and valve closure body 22, described spring 23 is configured to pressure spring and because prebias and valve closure body 21,22 is applied power towards closing direction in the present embodiment.
Valve system has as first jumper bar 29 of mechanical manipulator and second jumper bar 30.First seat valve 21,24 can move to open position by first jumper bar 29 that mechanically is coupled with valve closure body 21, at this open position, and the pressure medium flow between the seat valve hold-off pressure medium channel 26,27.First jumper bar 29 can be for example manually, pneumatically by piston, directly operate by electromagnetic valve by electromagnet or electro-pneumatic ground.With it similarly, second seat valve 22,25 can place the position of opening by second jumper bar 30, on this open position, and the pressure medium flow in the hold-off pressure dielectric line 27,28.Second jumper bar 30 can be operated in the mode that is similar to first jumper bar 29.
The air suspension equipment of the type of introducing in conjunction with Fig. 1 shown in Figure 3 use according to valve gear 6 of the present invention.In valve gear 6, repeatedly use the valve system of introducing in conjunction with Fig. 2.First application scheme of valve system has valve closure body 34,42, spring 38 and jumper bar 30.Second application scheme of described valve system has valve closure body 35,43, spring 39 and jumper bar 31.The 3rd application scheme of described valve system has valve closure body 36,44, spring 40 and jumper bar 32.The 4th application scheme of described valve system has valve closure body 37,45, spring 41 and jumper bar 33.In first application scheme, valve closure body 42 can be operated by jumper bar by being subjected to compressed-air actuated piston 46.In second application scheme, valve closure body 43 can be by operating with the piston 47 that pressurized air is operated.In the 3rd application scheme, valve closure body 44 can be operated by piston 48.In the 4th application scheme, valve closure body 45 can be operated by jumper bar by the piston that can operate with pressurized air 49.
Piston 46,48 is connected with electromagnetic valve 7 by compressed air channel 67,69.Electromagnetic valve 7 is configured to the two-bit triplet pneumatic valve of energy electromagnetic ground operation.According to switching position, electromagnetic valve 7 can make pressurized air flow to the compressed air channel 67,69 from tank 2 by compressed air channel 65, and this makes and to come operated piston 46,48 and thereby open valve closure body 42,44 with pressurized air.On the second place of valve 7, valve 7 is connected compressed air channel 67,69 with exhaust connecting portion 64.On this position, removed to piston 46,48 possible pressurized airs apply and thereby because spring 38,40 screen resilience and valve closure body 42,44 is pressed to its corresponding valve seat, thereby seat valve in the closed position on.
Valve closure body 34,42,35,43 be connected with the flexible capsule connecting portion 15 of valve gear 6 by compressed air channel 50,51,52 towards the side of valve seat.The chamber that forms between valve closure body 34,42 is connected with the exhaust connecting portion 12 of valve gear 6 by the pressure medium channel that is arranged in the valve gear 6.The chamber that forms between valve closure body 35,43 is connected with the pressure medium deposit connecting portion 18 of valve gear 6 by other pressure medium channel.Valve closure body 34, one of 42 open because pressurized air flows out to the pressure reduction that atmosphere causes the flexible capsule of air bellow that is connected with described connecting portion 15 by exhaust connecting portion 12.With it similarly, valve closure body 35,43 open by compressed air reserve device 2 and cause that by pressurized air connecting portion 18 pressure in the flexible capsule of the air bellow that is connected with connecting portion 15 improves.Valve gear 6 is being carried out electricity when operation, electromagnetic valve 8 is configured to flow into valve, that is to say, to the operation of electromagnetic valve 8 cause Fig. 1 pressurized air lines 14,15 or pressurized air lines 16,17 in pressure improve.Electromagnetic valve 7 is as flowing out valve.Cause connecting portion 14,15 places or the pressurized air lines 16 of Fig. 1,17 interior pressure to reduce to the operation of electromagnetic valve 7.
Such as energy identification ground, both can be by the M/C by manual operating element 9, again can be by cause lifting or the decline of vehicle structure by the electromagnetic valve 7 that forms operating unit, 8 operation.Manual operating element 9 can plant oneself " lifting ", " decline ", " neutrality ".
In addition, be provided with positioner 90, described positioner 90 permissions are stuck in axle 71 on the predetermined position and then with manual operating element 9 and are stuck on the predetermined position.Positioner 90 has screens ball 98, and described screens ball 98 is rested in the groove 99 of disc 101.Because screens ball 98 is stuck in the groove 99, the rotational motion of axle 71 is stoped.
In Fig. 3 a, introduced another embodiment according to valve gear 6 of the present invention.Below, only introduce the component part of changing with respect to Fig. 3 of this valve gear.
On center position, jumper bar 30, an end portion supports of 32 are on first cylindrical sector 128 and on the jumper bar 31,33 the three cylindrical shape section 130 of an end portion supports at connecting rod 115.When connecting rod 115 by operating element 120 in the axial direction when the direction of housing 62 is urged, then jumper bar 31,33 by second oblique cutting part by skew taking place and open corresponding valve closure body 35,37 in the support that has on larger-diameter second section 129, in order to trigger the function of explaining among Fig. 3.By being subjected to tractive to add first spring 126 of stress and being pushed second spring 132 that adds stress, connecting rod 115 is taken back described zero position behind the EO of operating element 120 or decontroling these operating element 120 backs, make jumper bar 31,33 be supported on the three cylindrical shape section 130 again and valve closure body 35,37 is closed.Second cylindrical sector 129 is clear especially in section-drawing A-A with respect to the bigger diameter of three cylindrical shape section 130.
When connecting rod 115 passes through operating element 120 in the axial direction away from housing 62(tractive stress), then jumper bar 30,32 by first oblique cutting part by skew taking place and open corresponding valve closure body 34,36 in the support that has on larger-diameter second section 129, in order to trigger the function of explaining among Fig. 3.By being pushed first spring 126 that adds stress and being subjected to tractive to add second spring 132 of stress, connecting rod 115 is being taken back described zero position behind the EO of operating element 120 or when decontroling this operating element 120, makes jumper bar 30,32 be supported on first cylindrical sector 128 again and valve closure body 34,36 is closed.Second cylindrical sector 129 is clear especially in section-drawing A-A with respect to the bigger diameter of first cylindrical sector 128.
Same feasible is that connecting rod 115 is fixed on the position corresponding with first, second, and third section " lifting ", " decline " and/or the zero position with positioner with respect to housing 62.Described positioner can with can be manually, pneumatically, electricity ground and/or the operation of electro-pneumatic ground and/or the mode of unclamping dispose.
In Fig. 4, introduced another embodiment according to valve gear 6 of the present invention.Below, changing component part to some extent with respect to Fig. 3 and be introduced described valve gear only.
Be provided with positioner 90 according to Fig. 4, positioner 90 allows axle 71 is stuck in predetermined position and then manual operating element 9 is stuck in predetermined position.Described positioner 90 has screens ball 98, described screens ball 98 is resisted against in the groove 99 of disc 101.Because screens ball 98 is stuck in the groove 99, the rotational motion of axle 71 is prevented from.
Being used for that piston 91 is imposed compressed-air actuated chamber is connected with double check valve (DCV) 82 by compressed air channel 83.Double check valve (DCV) 82 is connected with electromagnetic valve 7,8 compressed air channel 66,67 as follows by compressed air channel 80,81 again, namely, at operation electromagnetic valve 7, one of 8 the time, piston 91 be subjected to pressurized air and thereby the screens effect of positioner 90 be disengaged.When two electromagnetic valves 7,8 during one of at least by operation, can realize removing the screens effect of positioner 90 by double check valve (DCV) 82.
This has following advantage,, has avoided operating unit 7,8 coupling that is.In context, can be understood as for coupling, by an executive component wish to realize function " lifting " and simultaneously another executive component by pneumatic connection by together with control.
Can be subjected to compressed-air actuated piston 91 and be set to release locking device, described piston 91 is connected with pressure punch 95 on the side that deviates from screens ball 98.Piston 91 is imposed power ground that pressurized air causes drift 95 antagonism springs 96, moves away from screens ball 98 ground.Thus, remove the screens effect of positioner 90 and discharge axle 71 for rotational motion.
Being used for that piston 91 is imposed compressed-air actuated compressed air cell 93 is connected with double check valve (DCV) 82 by compressed air channel 83.Double check valve (DCV) 82 is connected with electromagnetic valve 7,8 compressed air channel 66,67 as follows by compressed air channel 80,81 again, namely, at operation electromagnetic valve 7, one of 8 the time, piston 91 be subjected to pressurized air and thereby the screens effect of positioner 90 be disengaged.When two electromagnetic valves 7,8 during one of at least by operation, can realize removing the screens effect of positioner 90 by double check valve (DCV) 82.
This has following advantage,, has avoided the conflicting between the switching state of selecting by manual operating element 9 and the switching state of selecting by operating unit 7,8 of valve gear that is.For described conflict, in context, can be understood as, wish to realize function " lifting " by an executive component, and wish to realize function " decline " by other executive component.
Fig. 5 illustrates another embodiment according to valve gear 6 of the present invention.Compare with Fig. 4, here in order to make positioner 90 take off lock, two pistons 91,92 system can be set, described piston 91,92 can be operated with pressurized air by corresponding pressure medium chamber.Piston 91,92 pressure medium chamber pneumatically are connected with electromagnetic valve 7,8 by pressure medium channel 80,81.Operation to electromagnetic valve 7 causes piston 91 on-load pressures.Operation to electromagnetic valve 8 causes piston 92 on-load pressures.Two pistons 91,92 are connected with drift 95 and are connected to each other.By use two pistons 91 connected to one another, these two pistons 91,92 of 92(all act on drift 95), can carry out decoupling to electromagnetic valve 7,8 pressurized air loop, and need not the double check valve (DCV) according to Fig. 4.In this manner, can be with less spending, namely be achieved as follows function avoiding using under the situation of double check valve (DCV) 82, that is, under operation electromagnetic valve 7,8 situation, removed the screens effect of positioner 90.
Fig. 5 illustrates another embodiment according to valve gear 6 of the present invention.Compare with Fig. 4, here in order to make positioner 90 take off lock, two pistons 91,92 system can be set, described piston 91,92 can be operated with pressurized air by corresponding compressed air cell 93,97. Piston 91,92 compressed air cell 93,97 are connected with the type of being set forth before with electromagnetic valve 7,8 by pressure medium channel 80,81.By use two pistons 91 connected to one another, these two pistons 91,92 of 92(all act on drift 95), can carry out decoupling to electromagnetic valve 7,8 pressurized air loop, and need not the double check valve (DCV) according to Fig. 4.In this manner, can be with less spending, namely be achieved as follows function avoiding using under the situation of double check valve (DCV) 82, that is, under operation electromagnetic valve 7,8 situation, removed the screens effect of positioner 90.
In the embodiment according to Fig. 6, to the taking off that lock loads by the direct electricity by 110 pairs of coils 94 of electric line of positioner and feasible.The favourable function of before setting forth (namely, only operating under electromagnetic valve 7, one of 8 the situation, positioner 90 is taken off lock), can according to Fig. 6 advantageously by electric line 110 by first diode 113 and electric line 111 be connected and by second diode 114 and second electric line 112 be connected realize.Electric line 111,112 is used for electromagnetic valve 7,8 is connected to electronic control package 5.
Also advantageously, be provided with directly being electrically connected between electronic control package 5 and circuit 110 and fetch replacement diode 113,114.In this case, electronic control package 5 is because the software algorithm that can enroll implements to take off the lock that takes off of positioner 90.
In the embodiment according to Fig. 7, the section-drawing of Fig. 3,4 particularly, 5 and 6 valve gear 6 is shown.The housing 62 of valve gear 6 has positioner 90, disc 101, axle 71 and joystick 20.Joystick 20 is connected by feather key 102 with axle 71 antitorquely.Positioner 90 has electric coil 94, pressure punch 95, spring 96 and screens ball 98.Spring 96 be supported on the housing 62 on the one hand be supported on electric coil 94 or positioner 90 on and be supported on the other hand on the pressure punch 95, make pressure punch 95 that screens ball 98 is pushed in the direction of axle 71 in the axial direction in the direction motion of axle 71 and/or with screens ball 98 in the axial direction.Screens ball 98 is supported on the surface of disc 101.
As long as disc 101 has groove 99a, 99b, then screens ball 98 is urged among groove 99a, the 99b at least in part by spring 96 and pressure punch 95 and is fixed on the there.At least in part among embedded groove 99a, the 99b, stop or suppressed the free rotational motion with respect to housing 62 of joystick 20, axle 71 and disc 101 by screens ball 98.By electric coil being imposed corresponding voltage and corresponding electric current, pressure punch 95 can with the power of spring 96 on the contrary in the axial direction away from the motion of axle 71 ground, make screens ball 98 from groove 99a, 99b, come out and allow the rotational motion of disc 101, axle 71 and operating element 20.In order to make joystick 20 move to center position, unshowned torsion spring 100 exists in this diagram.
Exist in this embodiment: the second groove 99b of the first groove 99a of the first screens position of corresponding disc 101 and the second screens position of corresponding disc 101.But same feasible be that other groove (for example groove) corresponding with described center position is arranged in the disc 101.The first groove 99a has the side 104a that the first side 103a and second that tilts cuts sth. askew, described side 103a, 104a realized screens ball 98 on disc 101 the motion of carrying out gliding type and avoid the passing of described screens ball great-jump-forward ground to enter the first groove 99a or from the first groove 99a, come out.The second groove 99b has the first side 103b that cuts sth. askew and the second side 104b that cuts sth. askew, and described side 103b, 104b have realized the motion of screens ball 98 gliding type on disc 101 and avoided described screens ball great-jump-forward ground to pass entering the second groove 99b or coming out from the second groove 99b.Side 103a, the 104a that cuts sth. askew or 103b, 104b harmonize and enter corresponding groove 99a or 99b improves and equally also the process of coming out is improved gliding type from corresponding groove 99a or 99b.
Another favourable embodiment according to valve gear 6 of the present invention schematically is shown in Fig. 8.
Plate valve 334,340 has the function that flows into valve.Plate valve 334,340 corresponding valve pocket 345,347 are connected with compressed air reserve device connecting portion 18 maintenances of valve gear 6 by compressed air channel 349,350,351.When plate valve 334,340 is opened, pressurized air flow to connecting portion 18 from compressed air reserve container 2 via compressed-air line 13, and come out therefrom by compressed air channel 349,350,351 and the plate valve 334,340 opened flow to pressurized air connecting portion 14,15 and come out therefrom to flow into the flexible capsule 3 of air bellows by compressed-air line 16,17.At this, compressed air channel 350,351 may be implemented as a compressed air channel.
Plate valve 337,343 is as flowing out valve.Plate valve 337,343 keeps being connected with exhaust connecting portion 12 by compressed air channel 352,353,354.Operating plate valve 337, at 343 o'clock by jumper bar 334,342, plate valve 337,343 open and discharge pressurized air connecting portion 14,15 with exhaust connecting portion 12 between be connected.Thus, pressurized air is disposed to atmosphere from the flexible capsule 3 of air bellow.At this, compressed air channel 352,353 may be implemented as a compressed air channel.
On the action button 320 manually under the situation of " tractive ", that is to say, away from housing 362 ground M/Cs the time, binding ring 324 comes in contact with binding ring 323 and then drives piston 327 at the direction of operating of action button 320 on the contrary with the power of spring 326.Thus, piston 327 can manually be offset as follows, that is, the 3rd section 329 and the jumper bar 333,339 of piston 327 comes in contact and then because plate valve 334,340 open and allow pressurized air to flow into air bellow to stretch in the capsule 3.So valve gear 6 is positioned at position " lifting ".
Under the situation of " pushing " described action button 320, that is to say, under the situation of carrying out the motion of opposite M/C, the power ground that the bottom in the hole in the end that deviates from operating head 320 of axle 321 and first section 325 that is arranged at piston 327 came in contact and then resisted spring 332 drives piston 327 at direction of operating.So the 3rd section 329 comes in contact with jumper bar 336,342 when sufficient M/C, thus, open plate valve 337,343 and discharge pressurized air stream from the flexible capsule 3 of air bellow to atmosphere.So valve gear 6 is positioned at position " decline ".
Second embodiment of the valve gear 6 according to the present invention partly is shown in Fig. 9, or rather, the zone of the manual operating element of having of valve gear 69 is shown.Its leeway, valve gear 6 described here is corresponding to the embodiment according to the valve gear 6 of Fig. 8.
In favourable structural scheme of the present invention, positioner 372,373 is set size as follows, namely, described positioner 372,373 confining force be by to the manual operation of action button 320 and/or by can being overcome non-manual executive component 7,8,355,356,357,358 operation, thereby mechanical control element 327 is with respect to the opposite direction motion of before direction of operating and be introduced into zero position.Thus, valve gear 6 can be introduced other position easily, particularly not have following essentiality, that is, for positioner special release locking device is set.Positioner for this reason can be by to the suitable selection of spring 373 with size is set and by the suitable selection of groove 370,371 profile and degree of dip is correspondingly carried out size and set.
According to favourable improvement project of the present invention, in order to remove by positioner 372,373 screens, be provided with can the electricity operation release locking device.Release locking device can advantageously be constructed according to the type ground of the type of introducing in patent application DE 10 2,007 045 012.7.
Claims (26)
1. valve gear (6) that is used for vehicle air suspension apparatus, wherein, described valve gear
A) have for connecting portion (14,15,18) the flexible capsule (3) of the air bellow of described air suspension equipment and that be used for the compressed air reserve device,
B) have the exhaust connecting portion (12) that is connected with atmosphere,
C) have manual operating element (9,20),
D) has non-manual executive component (7,8,46,47,48,49), wherein, described valve gear (6) can be by described manual operating element (9,20), can adjust as follows by described non-manual executive component (7,8,46,47,48,49) again, namely, the described air bellow capsule (3) that stretches is connected with described compressed air reserve device connecting portion (18) or with described exhaust connecting portion (12), and
Described valve gear (6) also
E) have positioner (90), by described positioner (90), described manual operating element (9,20) can screens at least one position.
2. valve gear according to claim 1 is characterized in that, described manual operating element (9,20) can resist retracing spring (100) at least at a direction of operating next operation of power.
3. valve gear according to claim 1 and 2 is characterized in that, described valve gear (6) has in order to described positioner (90) is taken off the release locking device (91,92,94) of lock.
4. valve gear according to claim 3 is characterized in that, described release locking device (91,92,94) is operated when the described non-manual executive component of operation (7,8,46,47,48,49) and made described positioner (90) take off lock thus.
5. according to the described valve gear of one of claim 1 to 4, it is characterized in that, described valve gear (6) has center position, at described center position, for the purpose that pressure keeps, described air bellow stretch capsule (3) with respect to described exhaust connecting portion (12) and described compressed air reserve device connecting portion (18) by locking.
6. according to the described valve gear of one of claim 1 to 5, it is characterized in that described release locking device (91,92,94) has electromagnet (94,95).
7. according to the described valve gear of one of claim 1 to 6, it is characterized in that described release locking device (91,92,94) has and can lock piston (91,92) with taking off of pressurized air operation.
8. according to the described valve gear of one of claim 1 to 7, it is characterized in that described non-manual executive component (7,8,46,47,48,49) has can the electric executive component of operating (7,8).
9. valve gear according to claim 8 is characterized in that, the executive component (7,8) of described energy electricity operation has can be by the pneumatic valve of electromagnet operation.
10. valve gear according to claim 9, it is characterized in that, described release locking device (91,92,94) has first and takes off lock piston (91), first compressed air cell (93) and compressed air channel (83), wherein, described compressed air channel (83) pneumatically is connected the one or more described pneumatic valve of described first compressed air cell (93) with the executive component (7,8) of described energy electricity operation.
11. valve gear according to claim 10, it is characterized in that, described release locking device (91,92,94) has second and takes off lock piston (92), second compressed air cell (97) and another compressed air channel (81), wherein, described compressed air channel (81) pneumatically is connected the one or more described pneumatic valve of described second compressed air cell (97) with the executive component (7,8) of described energy electricity operation.
12., it is characterized in that described release locking device (91,92,94) has double check valve (DCV) (82) according to claim 9 or 10 described valve gears.
13. according to the described valve gear of one of claim 1 to 12, it is characterized in that, described non-manual executive component (7,8,46,47,48,49) and described release locking device (91,92,94) can pass through electric line (110,111,112) incoming call operation, wherein, the described electric line (110) of described release locking device and described non-manual executive component (7,8,46,47,48,49) described electric line (111,112) be coupled as follows, that is described release locking device (91,, 92,94) at the described non-manual executive component (7 of operation, 8,46,47,48,49) operated the time and make described positioner (90) take off lock thus.
14. a valve gear (6) that is used for vehicle air suspension apparatus, wherein, described valve gear
A) have for connecting portion (14,15,18) the flexible capsule (3) of the air bellow of described air suspension equipment and that be used for compressed air reserve device (2),
B) have the exhaust connecting portion (12) that is connected with atmosphere,
C) have manual operating element (9,320),
D) have non-manual executive component (7,8,355,356,357,358),
E) have valve system (334,337,340,343), can be connected with described compressed air reserve device connecting portion (18) or described exhaust connecting portion (12) by the flexible capsule (3) of the described air bellow of described valve system (334,337,340,343),
F) have mechanical control element (327), the control element of described machinery (327) acts on described valve system (334,337,340,343) as follows, that is:
I) by the adjustment to the control element (327) of described machinery, described valve system (334,337,340,343) is connected the flexible capsule (3) of described air bellow or with respect to described connecting portion (12,18) locking with described compressed air reserve device connecting portion (18) or described exhaust connecting portion (12)
II) wherein, the control element of described machinery (327) can be adjusted by described non-manual executive component (7,8,355,356,357,358) again by described manual operating element (9,320).
15. valve gear according to claim 14 is characterized in that, described valve system (334,337,340,343) has each valve that can mechanically be operated by the control element (327) of described machinery.
16., it is characterized in that described non-manual executive component (7,8,355,356,357,358) has can the electric executive component of operating according to claim 14 or 15 described valve gears.
17. valve gear according to claim 16 is characterized in that, described can have at least one electromagnet (7,8) by the electric executive component of operating (7,8,355,356,357,358).
18., it is characterized in that described non-manual executive component (7,8,355,356,357,358) has the executive component that can pneumatically operate according to the described valve gear of one of claim 14 to 17.
19., it is characterized in that the control element of described machinery (327) can load to operate by pressurized air according to the described valve gear of one of claim 14 to 18.
20. valve gear according to claim 19, it is characterized in that, the control element of described machinery (327) is connected with piston (356) in being arranged in compressed air cell (357,358), described piston (356) when being subjected to pressurized air, makes control element (327) motion of described machinery at described compressed air cell (357,358).
21., it is characterized in that the control element of described machinery (327) can manually be operated by action button (320) according to the described valve gear of one of claim 14 to 20.
22. valve gear according to claim 21, it is characterized in that, described action button (320) mechanically as follows with control element (327) decoupling of described machinery, that is, the motion that is triggered by described non-manual executive component (7,8,355,356,357,358) of the control element (327) of described machinery is not followed or not exclusively followed to described action button (320).
23. valve gear according to claim 22 is characterized in that, described action button (320) has backlash, and the described backlash twice with the maximum stroke of the control element (327) of described machinery at least is the same big.
24. according to the described valve gear of one of claim 14 to 23, it is characterized in that, be provided with positioner (372,373), by described positioner (372,373), described manual operating element (9,320) can screens at least one position.
25., it is characterized in that described screens can be by removing by the electric release locking device of operating according to the described valve gear of claim 24.
26. according to the described valve gear of one of claim 14 to 25, it is characterized in that, described screens can by non-manual, particularly operation in opposite direction electricity and/or electro-pneumatic is unclamped.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008051206.0 | 2008-10-14 | ||
| DE102008051205.2 | 2008-10-14 | ||
| DE102008051205A DE102008051205A1 (en) | 2008-10-14 | 2008-10-14 | Valve device for an air suspension system |
| DE200810051206 DE102008051206A1 (en) | 2008-10-14 | 2008-10-14 | Valve arrangement with a first and a second seat valve and valve device with such a valve arrangement |
| DE200810051203 DE102008051203A1 (en) | 2008-10-14 | 2008-10-14 | Valve device for an air suspension system |
| DE102008051203.6 | 2008-10-14 | ||
| CN200910206310A CN101725756A (en) | 2008-10-14 | 2009-10-13 | Valve system, a valve device with the valve system and a valve device for a pneumatic suspension assembly |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910206310A Division CN101725756A (en) | 2008-10-14 | 2009-10-13 | Valve system, a valve device with the valve system and a valve device for a pneumatic suspension assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103253102A true CN103253102A (en) | 2013-08-21 |
| CN103253102B CN103253102B (en) | 2016-12-28 |
Family
ID=42447108
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910206310A Pending CN101725756A (en) | 2008-10-14 | 2009-10-13 | Valve system, a valve device with the valve system and a valve device for a pneumatic suspension assembly |
| CN201310153052.8A Expired - Fee Related CN103253102B (en) | 2008-10-14 | 2009-10-13 | Valve gear for air suspension device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910206310A Pending CN101725756A (en) | 2008-10-14 | 2009-10-13 | Valve system, a valve device with the valve system and a valve device for a pneumatic suspension assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101725756A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4155593A1 (en) * | 2021-09-28 | 2023-03-29 | ZF CV Systems Europe BV | Valve device for a vehicle |
| EP4155592A1 (en) * | 2021-09-28 | 2023-03-29 | ZF CV Systems Europe BV | Valve device, and vehicle having an air suspension device |
| EP4170210A1 (en) * | 2021-10-20 | 2023-04-26 | ZF CV Systems Europe BV | Valve device and vehicle having a valve device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140030747A (en) * | 2012-09-03 | 2014-03-12 | 현대모비스 주식회사 | Height control system |
| EP3470248B1 (en) * | 2017-10-10 | 2020-04-08 | C.R.F. Società Consortile per Azioni | Suspension device of a motor-vehicle wheel |
| DE102021127182A1 (en) * | 2021-10-20 | 2023-04-20 | Zf Cv Systems Europe Bv | Valve unit, actuation unit, valve device, device platform and vehicle |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089117U (en) * | 1991-01-29 | 1991-11-20 | 广东省机械研究所 | Level type electric controlling automatic drainage by compression air |
| US20030000587A1 (en) * | 2001-06-16 | 2003-01-02 | Georg Sulzye | Pneumatic switching valve for systems for lifting and lowering the body of vehicles including air suspension |
| EP1382469A2 (en) * | 2002-07-18 | 2004-01-21 | Haldex Brake Products GmbH | Solenoid valve for utility vehicle with pneumatic suspension |
| CN1626834A (en) * | 2003-11-24 | 2005-06-15 | 坎贝·霍斯菲/斯哥特·菲泽公司 | Valve |
| EP1653132A1 (en) * | 2004-11-02 | 2006-05-03 | Siemens Aktiengesellschaft | Three-way valve |
| EP1712380A1 (en) * | 2005-04-16 | 2006-10-18 | Haldex Brake Products GmbH | Switching valve for raising and lowering a vehicle body |
| CN1882446A (en) * | 2003-11-19 | 2006-12-20 | 威伯科有限合伙公司 | Pneumatic suspension unit for a vehicle |
| DE102005019479B3 (en) * | 2005-04-27 | 2007-01-18 | Haldex Brake Products Gmbh | Trailer brake valve for use in e.g. motor vehicle-trailer, has release valve, control valve with positions such as lifting, lowering, driving and stopping, and overflow valve integrally arranged in housing of relay valve |
| EP1826034A3 (en) * | 2006-02-22 | 2008-06-25 | Haldex Brake Products GmbH | Suspension device for a motor vehicle with air-suspension bellows |
| WO2008095700A1 (en) * | 2007-02-07 | 2008-08-14 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Device for the controlled actuation of a switching element of a valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH379304A (en) * | 1960-09-27 | 1964-06-30 | Magneti Marelli Spa | Servo-activated leveler for the control of air springs of vehicle air suspensions |
| DE4120824C1 (en) * | 1991-06-24 | 1992-06-17 | Grau Gmbh, 6900 Heidelberg, De |
-
2009
- 2009-10-13 CN CN200910206310A patent/CN101725756A/en active Pending
- 2009-10-13 CN CN201310153052.8A patent/CN103253102B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2089117U (en) * | 1991-01-29 | 1991-11-20 | 广东省机械研究所 | Level type electric controlling automatic drainage by compression air |
| US20030000587A1 (en) * | 2001-06-16 | 2003-01-02 | Georg Sulzye | Pneumatic switching valve for systems for lifting and lowering the body of vehicles including air suspension |
| EP1382469A2 (en) * | 2002-07-18 | 2004-01-21 | Haldex Brake Products GmbH | Solenoid valve for utility vehicle with pneumatic suspension |
| CN1882446A (en) * | 2003-11-19 | 2006-12-20 | 威伯科有限合伙公司 | Pneumatic suspension unit for a vehicle |
| CN1626834A (en) * | 2003-11-24 | 2005-06-15 | 坎贝·霍斯菲/斯哥特·菲泽公司 | Valve |
| EP1653132A1 (en) * | 2004-11-02 | 2006-05-03 | Siemens Aktiengesellschaft | Three-way valve |
| EP1712380A1 (en) * | 2005-04-16 | 2006-10-18 | Haldex Brake Products GmbH | Switching valve for raising and lowering a vehicle body |
| DE102005019479B3 (en) * | 2005-04-27 | 2007-01-18 | Haldex Brake Products Gmbh | Trailer brake valve for use in e.g. motor vehicle-trailer, has release valve, control valve with positions such as lifting, lowering, driving and stopping, and overflow valve integrally arranged in housing of relay valve |
| EP1826034A3 (en) * | 2006-02-22 | 2008-06-25 | Haldex Brake Products GmbH | Suspension device for a motor vehicle with air-suspension bellows |
| WO2008095700A1 (en) * | 2007-02-07 | 2008-08-14 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Device for the controlled actuation of a switching element of a valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4155593A1 (en) * | 2021-09-28 | 2023-03-29 | ZF CV Systems Europe BV | Valve device for a vehicle |
| EP4155592A1 (en) * | 2021-09-28 | 2023-03-29 | ZF CV Systems Europe BV | Valve device, and vehicle having an air suspension device |
| EP4170210A1 (en) * | 2021-10-20 | 2023-04-26 | ZF CV Systems Europe BV | Valve device and vehicle having a valve device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101725756A (en) | 2010-06-09 |
| CN103253102B (en) | 2016-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103253102A (en) | Valve system, a valve device with same and valve device for pneumatic suspension assembly | |
| CN100482487C (en) | Pneumatic suspension unit for a vehicle | |
| CN102196951A (en) | Railcar brake control device | |
| CN102991493A (en) | Valve assembly for a trailer braking assembly | |
| CN104080631A (en) | Compressed air supply system, pneumatic system and method for operating a compressed air supply system and/or pneumatic system | |
| KR20140021987A (en) | Hydraulic or pneumatic drive for actuating a fitting comprising a control valve or selector valve | |
| RU2697319C1 (en) | Braking system, rail vehicle with braking system, as well as method of brake system operation | |
| CN102666153B (en) | Valve device for an air suspension system | |
| CN103260914A (en) | Compressed air supply installation and pneumatic system | |
| CN201350817Y (en) | Valve device for air suspension device | |
| CN111465520B (en) | Compressed air supply system, method and vehicle for operating a pneumatic system | |
| CN102666152B (en) | For the valve gear of air suspension device | |
| CZ289624B6 (en) | Secondary suspension system for rail vehicles | |
| EP2540537B1 (en) | Pneumatic spring assembly for a commercial vehicle | |
| EP3220221B1 (en) | Testing of safety devices | |
| CN103629421A (en) | Valve control system | |
| CN101932485A (en) | Ecp brake with dual mode empty load | |
| US4196941A (en) | Wheel lock-up prevention apparatus | |
| CN106170452A (en) | Equipment | |
| CN117222567A (en) | Automatic train coupling device and method for decoupling an automatic train coupling device | |
| EP3674113A1 (en) | Lift axle device | |
| CN102792077B (en) | Electromagnetic unlocking device and valve device | |
| US20040168731A1 (en) | Hydraulic control valve | |
| CA1110112A (en) | Side dump railroad car | |
| EP2251299B1 (en) | Pressure energy reservoir |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20201013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |