CN103775557A - Adjustable shock absorber - Google Patents
Adjustable shock absorber Download PDFInfo
- Publication number
- CN103775557A CN103775557A CN201310035929.3A CN201310035929A CN103775557A CN 103775557 A CN103775557 A CN 103775557A CN 201310035929 A CN201310035929 A CN 201310035929A CN 103775557 A CN103775557 A CN 103775557A
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- shock absorber
- cylinder
- piston rod
- assembly
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- 230000035939 shock Effects 0.000 title claims abstract description 20
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000002828 fuel tank Substances 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 23
- 238000007789 sealing Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 16
- 239000012530 fluid Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- -1 comprise valve seat Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008844 regulatory mechanism Effects 0.000 description 1
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Abstract
The invention relates to the field of shock absorbers, in particular to an adjustable shock absorber. The adjustable shock absorber comprises a valve seat, an oil storage barrel, a flow guiding cylinder, a working cylinder, a piston rod and a guider assembly, wherein the valve seat is arranged at the bottom of the oil storage barrel in a sealing connection mode, the flow guiding cylinder is arranged inside the oil storage barrel, the working cylinder is arranged inside the flow guiding cylinder, the piston rod is arranged inside the working cylinder, the piston rod penetrates through the top of the oil storage barrel and is connected with an external weight, the bottom of the piston rod is connected with a piston group, a check valve c and a check valve d are arranged on the piston group, and the two check valves are in opposite directions. The adjustable shock absorber with the two-way damping function is stable and durable; the manufacturing technology and the assembly technology are simplified, and efficiency is improved; large-scale production of the adjustable shock absorber with the two-way damping function is achieved.
Description
Technical field
The present invention relates to vibration damper field, relate in particular to a kind of adjustable shock absorber.
Background technique
Since automobile becomes, modern just lives requisite instrument and our life is more and more tightr; Along with the raising of people to quality of life, the requirement of the handling and travelling comfort of people to automobile is more and more higher, and people have designed a lot of shock absorbing apparatus for this reason.But due to the requirement difference of different driving conditions to vibration damper damping function ability, common hydraulic damper can not be made in good time adjustment according to the size of different tracks and different loads, its effect to vehicle body shock attenuation is poor, affects the handling and travelling comfort of vehicle.For this reason, people need a kind of vibration damper that can meet vehicle and can produce good damping function under different tracks and loaded-up condition.
For the adjustable problem of damping of vibration damper, engineer constantly explores and innovates, and has proposed the scheme of solution miscellaneous.Such as, there is human hair to understand that a kind of damper regulation mechanism patent announcement number of adjustable vibration damper is: CN101070890B, this controlling mechanism, employing arranges a sealing valve block that is fixed on joint between cylinder barrel, on sealing valve block, opens hole, plugs front fine and rear thick taper valve core in through hole, between valve block and spool, add shock mount, when change between spool and valve block position relationship time, its flow area also changes thereupon, thereby produces damping change.This project organization is simple, easy to adjust, but the variation of damping is to complete by the mating reaction between vital part, so required precision and the coupling of sealing valve block, spool and spring are had relatively high expectations.In addition, in this mechanism, the positioning and locking of spool is the power by pressurized gas effect and spool face, and in the time running into high speed and high pressure liquid stream, it is unstable that controlling mechanism will become.So this scheme needs further improvement just can be applied on existing vibration damper product.
The present invention has mainly solved that the adjustable technical stability of existing damping is poor, and technological requirement is high, and working life is short, the defect that cost of production is high.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of adjustable shock absorber is provided, can better solve the adjustable technical stability of existing damping poor, technological requirement is high, and working life is short, the defect that cost of production is high.
Technological scheme of the present invention is to realize like this.
A kind of adjustable shock absorber, comprise valve seat, fuel tank, water conservancy diversion cylinder, clutch release slave cylinder, piston rod, director assembly, valve base sealing is connected to fuel tank below, water conservancy diversion cylinder is arranged on fuel tank inside, clutch release slave cylinder is arranged on water conservancy diversion cylinder interior, and piston rod is arranged on clutch release slave cylinder inside, and piston rod is connected with outside load-bearing material through the top of fuel tank, piston rod bottom connects piston assembly, and piston assembly is provided with one-way valve c and the one-way valve d that both direction is contrary; Director assembly is arranged on the top of fuel tank, water conservancy diversion cylinder, clutch release slave cylinder, for locating and assemble water conservancy diversion cylinder, clutch release slave cylinder, piston rod etc., on director assembly, be provided with normal open hole, Oil Guide chamber between normal open hole UNICOM work epicoele and water conservancy diversion cylinder and clutch release slave cylinder, also comprise and be divided into resistance sheet and the two-part supporting compression valve of lower ring assembly, the upper resistance sheet of described supporting compression valve assembly is arranged in clutch release slave cylinder, and upper resistance sheet is provided with one-way valve a and the one-way valve b that both direction is contrary; The lower ring of described supporting compression valve assembly is provided with two through holes, and through hole UNICOM Oil Guide chamber and oil guiding hole hinder the oil storage chamber between side space and fuel tank and water conservancy diversion cylinder under sheet in another through hole UNICOM; On valve seat, have the blind hole one of UNICOM's oil guiding hole and spill port, in blind hole one, be also provided with cylindrical regulating spool, described regulating spool one end is provided with axial blind hole two, the inwall of blind hole two is provided with the radial direction through hole of multiple different pore sizes that communicate with regulating spool outer wall, and the position of these radial direction through hole is corresponding with spill port.
As further technological scheme of the present invention, described regulating spool outer end is also provided with hand knob or electronic knob.
As further technological scheme of the present invention, described radial direction through hole is distributed in same radial cross section, is equidistant between each radial direction through hole, is arranged in order by pore size.
As further technological scheme of the present invention, circulation positioning device is equipped with in described valve seat and regulating spool junction.
As further technological scheme of the present invention, described regulating spool outer wall is provided with seal ring.
In the time that vibrations occur in the external world, piston rod is forced to move up and down, the vibration damper clutch release slave cylinder of turnover sealing simultaneously.In the time that piston rod is up, the pressure of work epicoele increases, and fluid enters Oil Guide cylinder by normal open hole, flow into valve seat through oil guiding hole again, form small oil cavity at blind hole two positions of regulating spool, when the pressure of small oil cavity arrives after certain value, fluid, through radial direction through hole and spill port, finally arrives oil storage chamber.In this process, in the time of a rotary manual knob, with spill port with it the size of corresponding radial direction through hole change, it provides also corresponding changing of damping force, the damping that realizes the up process of piston rod is adjustable.If worked in this process, upper cavity pressure is too high, and while acquiring a certain degree, the one-way valve c on piston assembly opens, pressure drop, and this process had both guaranteed the relatively stable of damping, had also avoided the overload of vibration damper to damage simultaneously.
In the time that piston rod is descending, the lower cavity pressure of work increases, form certain pressure reduction with work epicoele, now fluid is full of epicoele through the one-way valve d of piston assembly, pass through spill port, in descending process, enter the clutch release slave cylinder of sealing due to piston rod, cause that internal volume reduces, the inner a part of fluid of clutch release slave cylinder, through the normal open hole of director assembly, Oil Guide cylinder, oil guiding hole arrives the radial direction through hole of regulating spool, select the size of radial direction through hole by rotating regulation valve core, with spill port with it the size of corresponding radial direction through hole change, it provides also changing of correspondence of damping force, the damping that realizes the up process of piston rod is adjustable.If work cavity of resorption overpressure in this process, while acquiring a certain degree with oil storage chamber pressure difference, the one-way valve b on supporting compression valve assembly opens, pressure drop, this process, in the metastable while that has guaranteed damping, has also avoided the overload of vibration damper to damage.
Another when external hand knob cancellation, during with electronic knob assembly control, automatically controlled adjusting can be realized, and Car Electronic Control system can be included in.In the time that driver and passenger's Subjective need regulates, provide instruction by electronics system processed, electronic knob assembly receives and carries out instruction, and rotating regulation valve core is adjusted to corresponding position, realizes damping and regulates.
The invention provides a kind of bidirectional damper adjustable damper, and stable, durable; Simplify manufacture and assembly technology, improved efficiency; Realize the large-scale production of two-way adjustable damper.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of regulating spool in Fig. 1 of the present invention.
Fig. 3 is A-A direction sectional structure schematic diagram in Fig. 2 of the present invention.
Fig. 4 is the regulating spool structural representation that the present invention installs electronic knob.
In figure, valve seat 1, oil guiding hole 2, supporting compression valve assembly 3, work cavity of resorption 4, oil storage chamber 5, Oil Guide chamber 6, work epicoele 7, fuel tank 8, water conservancy diversion cylinder 9, clutch release slave cylinder 10, piston rod 11, normal open hole 12, director assembly 13, circulation positioning device 14, hand knob 15, regulating spool 16, spill port 17, piston assembly 18, one-way valve a19a, one-way valve b19b, one-way valve c19c, one-way valve d19d, seal ring 20, radial direction through hole 21, blind hole 2 22.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail.
As shown in Figures 1 to 4, adjustable shock absorber, comprise valve seat 1, fuel tank 8, water conservancy diversion cylinder 9, clutch release slave cylinder 10, piston rod 11, director assembly 13, valve seat 1 is sealedly connected on fuel tank 8 belows, water conservancy diversion cylinder 9 is arranged on fuel tank 8 inside, clutch release slave cylinder 10 is arranged on water conservancy diversion cylinder 9 inside, piston rod 11 is arranged on clutch release slave cylinder 10 inside, piston rod 11 is connected with outside load-bearing material through the top of fuel tank 8, piston rod 11 bottoms connect piston assembly 18, and piston assembly 18 is provided with one-way valve c19c and the one-way valve d19d that both direction is contrary; Director assembly 13 is arranged on the top of fuel tank 8, water conservancy diversion cylinder 9, clutch release slave cylinder 10, for locating and assemble water conservancy diversion cylinder 9, clutch release slave cylinder 10, piston rod 11 etc., on director assembly 13, be provided with normal open hole 12, Oil Guide chamber 6 between normal open hole 12 UNICOM's work epicoeles 7 and water conservancy diversion cylinder 9 and clutch release slave cylinder 10, also comprise and be divided into resistance sheet and the two-part supporting compression valve of lower ring assembly 3, the upper resistance sheet of described supporting compression valve assembly 3 is arranged in clutch release slave cylinder 10, and upper resistance sheet is provided with one-way valve a19a and the one-way valve b19b that both direction is contrary; The lower ring of described supporting compression valve assembly 3 is provided with two through holes, and through hole UNICOM Oil Guide chamber 6 and oil guiding hole 2 hinder the oil storage chamber 5 between side space and fuel tank 8 and water conservancy diversion cylinder 9 under sheet in another through hole UNICOM; On valve seat 1, have the blind hole one of UNICOM's oil guiding hole 2 and spill port 17, in blind hole one, be also provided with cylindrical regulating spool 16, described regulating spool 16 one end are provided with axial blind hole 2 22, the inwall of blind hole 2 22 is provided with the radial direction through hole 21 of multiple different pore sizes that communicate with regulating spool 16 outer walls, and the position of these radial direction through hole 21 is corresponding with spill port 17.
Described regulating spool 16 outer ends are also provided with hand knob 15 or electronic knob.
Described radial direction through hole 21 is distributed in same radial cross section, is equidistant between each radial direction through hole 21, is arranged in order by pore size.
Described valve seat 1 is equipped with circulation positioning device 14 with regulating spool 16 junctions.
Described regulating spool 16 outer walls are provided with seal ring 20.
In the time that vibrations occur in the external world, piston rod 11 is forced to move up and down, the vibration damper clutch release slave cylinder 10 of turnover sealing simultaneously.In the time that piston rod 11 is up, the pressure of work epicoele 7 increases, fluid enters Oil Guide cylinder 9 by normal open hole 12, flow into valve seat 1 through oil guiding hole 2 again, blind hole 2 22 positions at regulating spool 16 form small oil cavity, when the pressure of small oil cavity arrives after certain value, fluid, through radial direction through hole 21 and spill port 17, finally arrives oil storage chamber 5.In this process, in the time of a rotary manual knob 15, with spill port 17 with it the size of corresponding radial direction through hole 21 change, it provides also corresponding changing of damping force, the damping that realizes the up process of piston rod is adjustable.Epicoele 7 overpressure if worked in this process, while acquiring a certain degree, the one-way valve c19c on piston assembly opens, pressure drop, this process had both guaranteed the relatively stable of damping, had also avoided the overload of vibration damper to damage simultaneously.
In the time that piston rod is descending, work cavity of resorption 4 pressure increase, form certain pressure reduction with work epicoele 7, now fluid is full of epicoele through the one-way valve d19d of piston assembly, by spill port 17, in descending process, enter the clutch release slave cylinder 10 of sealing due to piston rod 11, cause that internal volume reduces, the inner a part of fluid of clutch release slave cylinder 10, through the normal open hole 12 of director assembly 13, Oil Guide cylinder 9, oil guiding hole 2 arrives the radial direction through hole 21 of regulating spool 16, select the size of radial direction through hole 21 by rotating regulation valve core, with spill port 17 with it the size of corresponding radial direction through hole 21 change, it provides also changing of correspondence of damping force, the damping that realizes piston rod 11 up processes is adjustable.If work cavity of resorption overpressure in this process, while acquiring a certain degree with oil storage chamber 5 pressure differences, the one-way valve b19b on supporting compression valve assembly 3 opens, pressure drop, this process, in the metastable while that has guaranteed damping, has also avoided the overload of vibration damper to damage.
Separately cancel when external hand knob 15, during with electronic knob assembly control, can realize automatically controlled adjusting, and can include Car Electronic Control system in.In the time that driver and passenger's Subjective need regulates, provide instruction by electronics system processed, electronic knob assembly receives and carries out instruction, and rotating regulation valve core is adjusted to corresponding position, realizes damping and regulates.
Claims (6)
1. adjustable shock absorber, comprise valve seat (1), fuel tank (8), water conservancy diversion cylinder (9), clutch release slave cylinder (10), piston rod (11), director assembly (13), valve seat (1) is sealedly connected on fuel tank (8) below, water conservancy diversion cylinder (9) is arranged on fuel tank (8) inside, clutch release slave cylinder (10) is arranged on water conservancy diversion cylinder (9) inside, piston rod (11) is arranged on clutch release slave cylinder (10) inside, piston rod (11) is connected with outside load-bearing material through the top of fuel tank (8), piston rod (11) bottom connects piston assembly (18), piston assembly (18) is provided with the one-way valve c(19c that both direction is contrary) and one-way valve d(19d), director assembly (13) is arranged on fuel tank (8), water conservancy diversion cylinder (9), the top of clutch release slave cylinder (10), it is characterized in that: on director assembly (13), be provided with normal open hole (12), Oil Guide chamber (6) between normal open hole (12) UNICOM work epicoele (7) and water conservancy diversion cylinder (9) and clutch release slave cylinder (10), also comprise and be divided into resistance sheet and lower ring two-part supporting compression valve assembly (3), the upper resistance sheet of described supporting compression valve assembly (3) is arranged in clutch release slave cylinder (10), upper resistance sheet is provided with the one-way valve a(19a that both direction is contrary) and one-way valve b(19b), the lower ring of described supporting compression valve assembly (3) is provided with two through holes, and a through hole UNICOM Oil Guide chamber (6) and oil guiding hole (2) hinder the oil storage chamber (5) between side space and fuel tank (8) and water conservancy diversion cylinder (9) under sheet in another through hole UNICOM, on valve seat (1), have the blind hole one of UNICOM's oil guiding hole (2) and spill port (17), in blind hole one, be also provided with cylindrical regulating spool (16), described regulating spool (16) one end is provided with axial blind hole two (22), the inwall of blind hole two (22) is provided with the radial direction through hole (21) of multiple different pore sizes that communicate with regulating spool (16) outer wall, and the position of these radial direction through hole (21) is corresponding with spill port (17).
2. adjustable shock absorber according to claim 1, is characterized in that: described regulating spool (16) outer end is also provided with hand knob (15).
3. adjustable shock absorber according to claim 1, is characterized in that: described regulating spool (16) outer end is also provided with electronic knob.
4. adjustable shock absorber according to claim 1, is characterized in that: described radial direction through hole (21) is distributed in same radial cross section, is equidistant between each radial direction through hole (21), is arranged in order by pore size.
5. adjustable shock absorber according to claim 1, is characterized in that: described valve seat (1) is equipped with circulation positioning device (14) with regulating spool (16) junction.
6. adjustable shock absorber according to claim 1, is characterized in that: described regulating spool (16) outer wall is provided with seal ring (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310035929.3A CN103775557B (en) | 2013-01-31 | 2013-01-31 | A kind of adjustable shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310035929.3A CN103775557B (en) | 2013-01-31 | 2013-01-31 | A kind of adjustable shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103775557A true CN103775557A (en) | 2014-05-07 |
| CN103775557B CN103775557B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310035929.3A Expired - Fee Related CN103775557B (en) | 2013-01-31 | 2013-01-31 | A kind of adjustable shock absorber |
Country Status (1)
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| CN (1) | CN103775557B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221637A (en) * | 2015-09-30 | 2016-01-06 | 福建明佳机械科技股份有限公司 | Bidirectional damper adjustable damper |
| CN105351425A (en) * | 2015-12-24 | 2016-02-24 | 刘春暄 | Double-cylinder shock absorber |
| CN107152485A (en) * | 2017-06-20 | 2017-09-12 | 长春瑞莱德汽车悬架系统有限公司 | A kind of adaptive transmission control |
| CN109356956A (en) * | 2018-12-07 | 2019-02-19 | 广州海川汽车配件制造有限公司 | A kind of damper and production method of manually adjustable damping |
| CN110454535A (en) * | 2019-08-08 | 2019-11-15 | 扬州福克斯减震器有限公司 | Current-limiting type damps force value adjustable damper |
| CN110686035A (en) * | 2019-09-29 | 2020-01-14 | 成都博仕腾科技有限公司 | Double-oil-way mechanical control variable-damping passive oil pressure shock absorber for railway vehicle |
| CN112303167A (en) * | 2020-11-19 | 2021-02-02 | 扬中市兴鸿车辆配件有限公司 | Hydraulic shock absorber with independently suspended damping and hydraulic damping system thereof |
| CN114607721A (en) * | 2022-02-18 | 2022-06-10 | 浙江正星健身器有限公司 | Treadmill and adjustable integrated damper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201011374Y (en) * | 2006-07-06 | 2008-01-23 | 浙江正裕工业有限公司 | Vibration damper with adjustable damping |
| CN201031907Y (en) * | 2005-12-07 | 2008-03-05 | 深圳市科鼎五金实业有限公司 | Adjustable damper |
| JP2008267487A (en) * | 2007-04-19 | 2008-11-06 | Hitachi Ltd | Damping force adjustable hydraulic shock absorber |
| CN203051605U (en) * | 2013-01-31 | 2013-07-10 | 江西巨晟实业有限公司 | Adjustable damper |
-
2013
- 2013-01-31 CN CN201310035929.3A patent/CN103775557B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201031907Y (en) * | 2005-12-07 | 2008-03-05 | 深圳市科鼎五金实业有限公司 | Adjustable damper |
| CN201011374Y (en) * | 2006-07-06 | 2008-01-23 | 浙江正裕工业有限公司 | Vibration damper with adjustable damping |
| JP2008267487A (en) * | 2007-04-19 | 2008-11-06 | Hitachi Ltd | Damping force adjustable hydraulic shock absorber |
| CN203051605U (en) * | 2013-01-31 | 2013-07-10 | 江西巨晟实业有限公司 | Adjustable damper |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221637A (en) * | 2015-09-30 | 2016-01-06 | 福建明佳机械科技股份有限公司 | Bidirectional damper adjustable damper |
| CN105351425A (en) * | 2015-12-24 | 2016-02-24 | 刘春暄 | Double-cylinder shock absorber |
| CN107152485A (en) * | 2017-06-20 | 2017-09-12 | 长春瑞莱德汽车悬架系统有限公司 | A kind of adaptive transmission control |
| CN109356956A (en) * | 2018-12-07 | 2019-02-19 | 广州海川汽车配件制造有限公司 | A kind of damper and production method of manually adjustable damping |
| CN109356956B (en) * | 2018-12-07 | 2023-11-21 | 广州海川汽车配件制造有限公司 | Shock absorber capable of manually adjusting damping and manufacturing method |
| CN110454535A (en) * | 2019-08-08 | 2019-11-15 | 扬州福克斯减震器有限公司 | Current-limiting type damps force value adjustable damper |
| CN110686035A (en) * | 2019-09-29 | 2020-01-14 | 成都博仕腾科技有限公司 | Double-oil-way mechanical control variable-damping passive oil pressure shock absorber for railway vehicle |
| CN112303167A (en) * | 2020-11-19 | 2021-02-02 | 扬中市兴鸿车辆配件有限公司 | Hydraulic shock absorber with independently suspended damping and hydraulic damping system thereof |
| CN114607721A (en) * | 2022-02-18 | 2022-06-10 | 浙江正星健身器有限公司 | Treadmill and adjustable integrated damper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103775557B (en) | 2015-09-30 |
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Granted publication date: 20150930 |