CN202991992U - Flexible interconnection shock absorber - Google Patents
Flexible interconnection shock absorber Download PDFInfo
- Publication number
- CN202991992U CN202991992U CN 201220602405 CN201220602405U CN202991992U CN 202991992 U CN202991992 U CN 202991992U CN 201220602405 CN201220602405 CN 201220602405 CN 201220602405 U CN201220602405 U CN 201220602405U CN 202991992 U CN202991992 U CN 202991992U
- Authority
- CN
- China
- Prior art keywords
- urceolus
- end cap
- guider
- inner core
- vibration damper
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a flexible interconnection shock absorber and an interconnection suspension system. The shock absorber comprises an upper lifting lug, a lower lifting lug, an inner barrel, an outer barrel, a piston, a piston rod, a damping valve block, a guider and a guide sleeve, and is characterized by further comprising an upper end cover, a lower end cover, an airbag and an airbag cover, the upper end cover, the inner barrel, the outer barrel and the lower end cover form a cylinder barrel of the shock absorber, the upper end cover is arranged at the upper end of the outer barrel, the lower end cover is arranged at the lower end of the outer barrel, the inner barrel which is coaxially mounted with the outer barrel is arranged inside the outer barrel, the damping valve block is arranged at the upper end of the inner barrel, the piston connected with the piston rod is arranged inside the inner barrel, the guider is arranged at the lower end of the inner barrel and is positioned on the outside of the piston rod, and the guide sleeve is disposed between the piston rod and the guider; the airbag and the airbag cover are further arranged on the outside of the outer barrel and are positioned between the upper end cover and the lower end cover; and an upper connector and a lower connector are arranged on the upper end cover.
Description
Technical field
The present invention relates to a kind ofly for the vibration damper on automotive suspension, a kind ofly specifically can change flexibly according to vehicle driving-cycle the vibration damper of commissure mode.
Background technique
Vehicle can change with the change of the operating mode of travelling the demand of suspension property, for example when motor turning, wishes that suspension is hard, produces larger roll motion to prevent vehicle body, improves driving safety; When automobile passes through uneven road surface, wish that suspension can as often as possible filter out the injustice excitation on ground, reduce the vibration that is passed to vehicle body, improve driving comfort; When servicing a car, wish the component easy accessibility, dismantle component and involve as few as possible other component.
Traditional suspension structural type after entrucking is unalterable, and the driving cycle of automobile is ever-changing, removes to tackle changeable driving cycle with single suspension frame structure, is difficult to obtain desirable effect.If the suspension frame structure form can change along with the variation of driving cycle, just can make suspension farthest satisfy the performance requirement of car load.The present invention proposes a kind of damper structure of commissure flexibly, and the commissure suspension system of a kind of commissure form with the operating mode of travelling changes flexibly is provided, farthest solved the various driving cycles of vehicle to the contradiction of suspension property demand.
Summary of the invention
It is a kind of simple and reasonable that purpose of the present invention will provide exactly, can change flexibly with automobile running working condition the vibration damper of commissure form.
the object of the present invention is achieved like this, this vibration damper comprises hanger, lower hanger, inner core, urceolus, piston, piston rod, the orifice valve piece, guider and guide pin bushing, it is characterized in that: it also comprises upper end cap, lower end cap, air bag and airbag cover, described upper end cap, inner core, urceolus and lower end cap consist of the cylinder barrel of vibration damper, wherein upper end cap is arranged on the urceolus upper end, lower end cap is arranged on the lower end of urceolus, inside at urceolus, one and the coaxial mounted inner core of urceolus also are set, the orifice valve piece is arranged on the upper end of inner core, the piston that is connected with piston rod is arranged on inner core inside, outside at the lower end of inner core piston rod is provided with guider, guide pin bushing is arranged between piston rod and guider, also be provided with air bag and airbag cover between the outside of described urceolus, upper end cap and lower end cap, on described upper end cap with upper connection mouth and two connection mouths of lower connection mouth.
Described orifice valve piece is by valve body, and the valve block that is fixed on below valve body by tightening nut, pad and clamping bolt consists of, and wherein is provided with a plurality of fluid through holes on valve body.
Described inner core following with the inner core damping hole, the middle part of urceolus is with the urceolus damping hole.
Fix by the piston tightening nut between described piston and piston rod, be provided with rod seal circle and dust ring between piston rod and guider, be provided with the urceolus seal ring between guider and urceolus, be provided with the guider pad between guider and lower end cap.
At least four described vibration dampers are by connecting and composing the commissure suspension system of flexibly changing commissure mode with connecting pipeline F and control valve piece E.
Adopt four vibration dampers, connecting pipeline and control valve pieces when the present invention uses, just can make suspension have different performances by the Placement that changes between the upper and lower connection mouth of each vibration damper, to solve different driving cycles to the contradiction of suspension property demand.
The present invention has the following advantages and good effect:
1. the present invention is improved cross-country ability, body gesture stability, driving safety and the riding comfort of car load by the structure of simple possible largely.
In the present invention between eight of four vibration dampers connection mouths the conversion of commissure mode very convenient flexibly, can realize the change of suspension frame structure by the gear of controlling solenoid valve (or voltage-controlled valve).
3. the transformation of system's commissure mode can be controlled realization by the driver, also can be by sensor collection vehicle travelling state information, send instruction by control logic again and realize.
4. adopt the rotary valve control valve can make the transformation transition between each commissure mode very soft, can be according to running condition converting system commissure mode in the Vehicle Driving Cycle process.
5. flexible crosslinked vibration damper unit manufacturing of the present invention is very easy, can slightly do repacking by common dual-tube shock absorber and get final product.
6. flexible crosslinked vibration damper of the present invention unit is arranged on air chamber around urceolus, can accumulator be set separately in addition, has greatly saved installing space, make be suspended in arrange on car load very easy.
7. after flexible crosslinked damper system of the present invention was installed, suspension can arrange lateral stable pole again, has simplified the suspension system structure, is conducive to the lightweight of car load.
8. the present invention is less demanding to processing and the installation precision of control valve, even if control valve have slightly that internal leakage do not affect that native system has yet superior function.
Description of drawings
Fig. 1 is vibration damper overall structure schematic diagram of the present invention.
Fig. 2 is that vibration damper of the present invention is applied in the commissure suspension system structural representation that consists of on for-wheel vehicle.
Fig. 3 is that vibration damper of the present invention is applied in the commissure suspension system structural representation that consists of on multiple-axle vehicle.
Fig. 4 is that vibration damper of the present invention is applied in the first commissure mode structural representation on for-wheel vehicle.
Fig. 5 is the hydraulic schematic diagram of the present invention's commissure mode shown in Figure 4.
Fig. 6 is that vibration damper of the present invention is applied in the second commissure mode structural representation on for-wheel vehicle.
Fig. 7 is the hydraulic schematic diagram of the present invention's commissure mode shown in Figure 6.
Fig. 8 is that vibration damper of the present invention is applied in the third commissure mode structural representation on for-wheel vehicle.
Fig. 9 is the hydraulic schematic diagram of the present invention's commissure mode shown in Figure 8.
Figure 10 is that vibration damper of the present invention is applied in the 4th kind of commissure mode structural representation on for-wheel vehicle.
Figure 11 is the hydraulic schematic diagram of the present invention's commissure mode shown in Figure 10.
Figure 12 is that vibration damper of the present invention is applied in the 5th kind of commissure mode structural representation on for-wheel vehicle.
Figure 13 is the hydraulic schematic diagram of the present invention's commissure mode shown in Figure 12.
Figure 14 is control valve piece hydraulic schematic diagram of the present invention.
Figure 15 is 3-position 4-way rotary valve schematic diagram of the present invention.
Embodiment
as shown in Figure 1: this vibration damper comprises hanger 13, lower hanger 12, upper end cap 14, lower end cap 27, inner core 20, urceolus 21, air bag 22, airbag cover 23, piston 5, piston rod 7, the orifice valve piece, guider 24 and guide pin bushing 9, described upper end cap 14, urceolus 21 and lower end cap 27 consist of the cylinder barrel of vibration damper, wherein the top upper end cap 14 that is provided with hanger 13 is arranged on urceolus 21 upper ends, the lower end cap 27 that the top is provided with lower hanger 12 is arranged on the lower end of urceolus 21, inside at urceolus 21, an inner core 20 also is set between upper end cap 14 and lower end cap 27, the orifice valve piece that valve body 17 and valve block 18 consist of is arranged on the upper end of inner core 20, the piston 5 that is connected with piston rod 7 is arranged on inner core 20 inside, the outside of piston rod 7 is provided with guider 24 below inner core, guide pin bushing 9 is arranged between piston rod 7 and guider 24, also be provided with between the outside of described urceolus 21, upper end cap 14 and lower end cap 27, air bag 22 and airbag cover 23, on described upper end cap 14 with upper connection mouth 1 and 2 two connection mouths of lower connection mouth.
Described orifice valve piece is by valve body 17, is fixed on the following valve block of valve body 17 18 by tightening nut 15, pad 16 and clamping bolt 19 and consists of, and wherein is provided with a plurality of fluid through holes 3 on valve body 17.
Described inner core 20 following with inner core damping hole 8, the middle part of urceolus 21 is with urceolus damping hole 6.
Fixing by piston tightening nut 4 between described piston 5 and piston rod 7, be provided with rod seal circle 10 and dust ring 11 between piston rod 7 and guider 24, be provided with urceolus seal ring 25 between guider 24 and urceolus 21, be provided with guider pad 26 between guider 24 and lower end cap 27.
Described valve body 17 is provided with some fluid through holes 3, and valve block 18 shelters from a part of through hole, and compression stroke fluid can pass through whole fluid through holes 3, and valve block 18 is pushed open, produces less damping force; Restore stroke fluid and can only pass through a part of fluid through hole, produce larger damping force.Have urceolus damping hole 6 in the middle of urceolus 21, inner core 20 bottoms have inner core damping hole 8, and inner core 20 is pushed into upper end cap 14 tops with valve body 17, and urceolus 21 is threaded with upper end cap 14, lower end cap 27.The vertical damping contribution of 6 pairs of suspension systems of urceolus damping hole is little, but can produce very large angle of heel damping, prevents that vehicle body from excessively rolling.It is mainly all to be produced by the orifice valve piece for fear of vertical damping that inner core damping hole 8 is set, so that the rodless cavity repairing does not freely cause idle running.The exposed junction of upper end cap 14, lower end cap 27 tightly is pressed in air bag 22 and airbag cover 23 around urceolus 21, is filled with a small amount of inert gas in air bag 22.When vehicle was done catenary motion, air bag 22 was the same with the effect of common dual-tube shock absorber shoe cream room top gas; When vehicle roll, air bag 22 but can produce than the much bigger spring force of common dual-tube shock absorber shoe cream room top gas, excessively rolls to prevent vehicle body.Urceolus damping hole 6 ecto-entads are stamped to form, and are scratched by orifice edge to prevent air bag 22.This kind structural vibration reduction device can be converted by common dual-tube shock absorber, but but has the performance more more advantageous than common dual-tube shock absorber.
As shown in Figure 2: adopt four vibration damper A, B, C, D, control valve piece E and connecting pipeline F to consist of a kind of commissure suspension system of flexibly changing commissure mode.Every vibration damper has upper and lower two connection mouths, four vibration dampers have eight connection mouths, by changing the commissure mode between these eight connection mouths, just can make suspension have the performance that adapts to different driving cycles, the change of described commissure mode realizes by the gear of control valve in the control valve piece.
As shown in Figure 3: for multiple-axle vehicle, its homonymy vibration damper can be divided into two groups, then in will be on the same group, the epicoele of vibration damper be connected respectively with cavity of resorption with epicoele, cavity of resorption and be reduced to four vibration damper groups of similar for-wheel vehicle, and then the commissure suspension system that is connected and realizes multiple-axle vehicle by connecting pipeline F and control valve piece E.
As shown in Figure 4: be the first commissure mode of flexible commissure suspension system: A1 is connected with C1, B2, D2, and A2 is connected with C2, B1, D1, and its hydraulic principle as shown in Figure 5.Under this kind Placement, when vehicle is done catenary motion, to be discharged by the piston rod area by the fluid flow in each resistance of shock absorber hole 6, flow is less, thereby the vertical damping force that produces is very little; When vehicle is done roll motion, due to the left and right interconnection, to be discharged by rodless cavity area and rod chamber area sum by the fluid flow in each resistance of shock absorber hole 6, flow is very large, thereby can produce very large angle of heel damping, suppress the excessive roll motion of vehicle body.When vehicle passes through rugged cross-country road, because making the fluid that is forced out in a vibration damper, the road surface projection can flow in other vibration dampers, thereby making greatly, uneven excitation is not passed to vehicle body, but be filtered in suspension system, so this kind Placement has improved the cross-country ability of vehicle, be applicable to the normal driving cycle of go-anywhere vehicle.
Figure 6 shows that the second commissure mode of flexible commissure suspension system: A1 is connected with D2, and A2 is connected with D1, and B1 is connected with C2, and B2 is connected with C1, and its hydraulic principle as shown in Figure 7.This kind Placement is equivalent to vehicle and has about two pairs intersections and two pairs of vibration damper groups that front and back intersect, the inclination of vehicle body and trim motion all can produce very large inclination angle damping, thereby vehicle has very high inclination and vertical inclineding stability, can avoid vehicle to produce excessive car body obliqueness when accelerating, brake or turning to, improve attitude stability and the riding comfort of vehicle body.Vehicle is selected this kind commissure mode can alleviate starting when starting and brake and is come back and brake the phenomenon of nodding.
The third commissure mode: the A1 that Figure 8 shows that flexible commissure suspension system is connected with B1, and A2 is connected with B2, and C1 is connected with D1, and C2 is connected with D2, and its hydraulic principle as shown in Figure 9.Under this kind Placement, left and right side vibration damper epicoele is communicated with epicoele, cavity of resorption is communicated with cavity of resorption, if apply with an anti-phase excitation for the left and right side wheel, the fluid of left side rodless cavity discharge can enter the right side rodless cavity fully, the fluid that the right side rod chamber is discharged can enter the left side rod chamber fully, and vice versa.Suspension system just can minute filter out the left and right in ground excitation being twisted into fully like this, due to the left and right side vibration damper to the active force of vehicle body all the time, vehicle body is not had torsional moment, thereby has improved riding comfort and vehicle body working life of vehicle.But under this kind Placement, body roll stability is lower, can produce larger inclination angle, turn side.For the left and right, road surface, the driving cycle of turning round and seldom turn to is particularly suitable for selecting this kind commissure mode.
The 4th kind of commissure mode: the A1 that Figure 10 shows that flexible commissure suspension system is connected with A2, and B1 is connected with B2, and C1 is connected with C2, and D1 is connected with D2, and its hydraulic principle as shown in figure 11.This kind connectivity scenario is the Connecting format of traditional suspension, and it is separate that each takes turns vibration damper, is independent of each other.Be characterized in inclination, the vertical inclineding stability of vehicle body, disappear and turn round effect and all placed in the middle to the filtering effect of the uneven excitation in ground the various applying working conditions of vehicle all to be had certain adaptive capacity, but best suspension property all can not be provided.If entrucking rear suspension form immobilizes, be fit to select this kind commissure mode.But for flexible commissure damper system, use when this kind commissure mode only is adapted at system maintenance, to reduce the mutual interference between component, make dismounting convenient.
The 5th kind of commissure mode: the A1 that Figure 12 shows that flexible commissure suspension system is connected with B2, and A2 is connected with B1, and C1 is connected with C2, and D1 is connected with D2, and its hydraulic principle as shown in figure 13.This kind connectivity scenario only has the interconnection of front axle left and right side vibration damper, and its roll stability is higher than connectivity scenario shown in Figure 10, and is lower than Fig. 4, connectivity scenario shown in Figure 6, is applicable to need less degree improve the driving cycle of body roll stability.
As shown in figure 14, there are four three position four-way electromagnetic valves (having three of left, center, right gear) and two 2/2-way solenoid valves (having upper and lower two gears) in control valve piece inside.Can realize the conversion of five kinds of commissure modes of the above flexible commissure damper system by changing these six solenoid valve gears of living in, implementation is as follows:
1. put valve 2. 3. right position, valve is 4. meta 1., and valve is 5. 6. upper, can realize commissure mode shown in Figure 4 (A1-B2-C1-D2, A2-B1-C2-D1).
2. put valve 1. 4. right position, valve is 3. meta 2., and valve is 5. 6. the next, can realize commissure mode shown in Figure 6 (A1-D2, A2-D1, C1-D2, C2-D1).
3. put valve 1. 4. left position, valve is 3. meta 2., and valve is 5. 6. the next, can realize commissure mode shown in Figure 8 (A1-B1, A2-B2, C1-D1, C2-D2).
4. put valve 2. 3. left position, valve is 4. meta 1., and valve is 5. 6. the next, can realize commissure mode shown in Figure 10 (A1-A2, B1-B2, C1-C2, D1-D2).
5. put valve 2. right position, valve is left position 3., and valve is 4. meta 1., and valve is 5. 6. the next, can realize commissure mode shown in Figure 12 (A1-B2, B1-A2, C1-C2, D1-D2).
Three position four-way electromagnetic valve shown in Figure 14 can adopt common sliding valve style solenoid valve, also can adopt rotary valve solenoid valve shown in Figure 15.When solenoid valve was in left position, A1 was communicated with A2, and B1 is communicated with B2; When being in right position, A1 is communicated with B2, and B1 is communicated with A2; When being in meta, A1, A2, B1, B2 are not communicated with mutually.1. 4. coaxial rotation of valve in Figure 14, valve 2., 3. rotate separately, just realize flexible crosslinked damper system of the present invention five kinds of commissure modes.If during valve core rotation, speed is lower, can make the switch transition between different commissure modes very soft.
Claims (4)
1. flexible commissure vibration damper, this vibration damper comprises hanger, lower hanger, inner core, urceolus, piston, piston rod, the orifice valve piece, guider and guide pin bushing, it is characterized in that: it also comprises upper end cap, lower end cap, air bag and airbag cover, described upper end cap, inner core, urceolus and lower end cap consist of the cylinder barrel of vibration damper, wherein upper end cap is arranged on the urceolus upper end, lower end cap is arranged on the lower end of urceolus, inside at urceolus, one and the coaxial mounted inner core of urceolus also are set, the orifice valve piece is arranged on the upper end of inner core, the piston that is connected with piston rod is arranged on inner core inside, outside at the lower end of inner core piston rod is provided with guider, guide pin bushing is arranged between piston rod and guider, also be provided with air bag and airbag cover between the outside of described urceolus, upper end cap and lower end cap, on described upper end cap with upper connection mouth and two connection mouths of lower connection mouth.
2. a kind of flexible commissure vibration damper according to claim 1, it is characterized in that: described orifice valve piece is by valve body, the valve block that is fixed on below valve body by tightening nut, pad and clamping bolt consists of, and wherein is provided with a plurality of fluid through holes on valve body.
3. a kind of flexible commissure vibration damper according to claim 1 is characterized in that: described inner core following with the inner core damping hole, the middle part of urceolus is with the urceolus damping hole.
4. a kind of flexible commissure vibration damper according to claim 1, it is characterized in that: fix by the piston tightening nut between described piston and piston rod, be provided with rod seal circle and dust ring between piston rod and guider, be provided with the urceolus seal ring between guider and urceolus, be provided with the guider pad between guider and lower end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220602405 CN202991992U (en) | 2012-11-15 | 2012-11-15 | Flexible interconnection shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220602405 CN202991992U (en) | 2012-11-15 | 2012-11-15 | Flexible interconnection shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991992U true CN202991992U (en) | 2013-06-12 |
Family
ID=48563175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220602405 Expired - Lifetime CN202991992U (en) | 2012-11-15 | 2012-11-15 | Flexible interconnection shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807344A (en) * | 2012-11-15 | 2014-05-21 | 长春孔辉汽车科技有限公司 | Flexible cross-connection damper and cross-connection suspension system |
| CN103821868A (en) * | 2014-03-13 | 2014-05-28 | 吉林大学 | Damper with two-way throttle valves and air spring |
-
2012
- 2012-11-15 CN CN 201220602405 patent/CN202991992U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807344A (en) * | 2012-11-15 | 2014-05-21 | 长春孔辉汽车科技有限公司 | Flexible cross-connection damper and cross-connection suspension system |
| CN103821868A (en) * | 2014-03-13 | 2014-05-28 | 吉林大学 | Damper with two-way throttle valves and air spring |
| CN103821868B (en) * | 2014-03-13 | 2015-09-23 | 吉林大学 | There is the vibration damper of bilateral throttle valve and pneumatic spring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103807344A (en) | Flexible cross-connection damper and cross-connection suspension system | |
| CN101618669B (en) | Multi-axle vehicle hydro-pneumatic suspension system and crane | |
| CN104044429B (en) | Hydraulic interconnection ISD (Inerter-Spring-Damper) hanger bracket | |
| CN103470673B (en) | Pump type vibration damper and crosslinked energy regenerative active suspension system | |
| CN106218342B (en) | A kind of the interconnection type energy regenerative air suspension and its application method of interconnection adjustable volume | |
| CN205349893U (en) | Hydro -pneumatic suspension system with synchronous lift and accent appearance function | |
| CN102278406B (en) | Absorber for adjusting damping force | |
| CN204263873U (en) | A kind of energy pair of transverse arm active suspension | |
| CN106314058B (en) | A kind of interconnection type air suspension and its application method interconnecting adjustable volume | |
| CN208962797U (en) | A kind of multistage for all-terrain vehicle is adjustable suspension | |
| CN202991992U (en) | Flexible interconnection shock absorber | |
| CN203780258U (en) | Rear suspension for hydraulic interconnection torsion-eliminated suspension | |
| CN201679898U (en) | Load sensing variable-damping shock absorber | |
| CN201272219Y (en) | Oil gas suspension control circuit, multi-axle vehicle oil gas suspension system and crane | |
| CN203172386U (en) | Double-rear axle suspension of motor lorry | |
| CN203449878U (en) | Hydraulic interconnected torsion-eliminating suspension system for four-wheel vehicle | |
| CN201170282Y (en) | Variable damping vibration attenuation machine | |
| CN202132440U (en) | Vibration damper with adjustable damping force | |
| CN202100650U (en) | Multi-stage damping manual adjustable vibration damper | |
| CN101992668A (en) | Shock absorption system for realizing vehicle suspension variation | |
| CN205523492U (en) | Two xarms have half initiative suspension system of grade formula | |
| CN102358131A (en) | Semi-active suspension frame for tractor | |
| CN206344652U (en) | A kind of hydro-pneumatic suspension system of achievable active and half active switching control | |
| CN203442039U (en) | Novel spring shock absorber | |
| CN106704440A (en) | Two-channel lateral rigidity semi-active hydropneumatic suspension |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGCHUN KONGHUI AUTOMATIVE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Patentee after: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO.,LTD. Address before: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Patentee before: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |