CN1887609A - Carplane - Google Patents
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- CN1887609A CN1887609A CN 200610089793 CN200610089793A CN1887609A CN 1887609 A CN1887609 A CN 1887609A CN 200610089793 CN200610089793 CN 200610089793 CN 200610089793 A CN200610089793 A CN 200610089793A CN 1887609 A CN1887609 A CN 1887609A
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Abstract
The carplane is one novel vehicle as the combination of airplane and car and capable of flying like an airplane and running on land like a car. The carplane has a fuselage, a wing folding and unfolding mechanism, a propulsion propeller blade withdrawing and stretching mechanism, a wheel lifting and lowering mechanism for altering the height of the fuselage to avoid touching ground of propeller during taking off and landing, etc. The carplane can run in common road and take off and land in short field, and has simple operation and good flexibility.
Description
Technical field
Hovercar of the present invention belongs to a kind of new traffic tool.
Background technology
The world today, aircraft and automobile have become the main vehicle, and the two all respectively has merits and faults.The advantage of aircraft is that speed is fast, the distance that takes the air line, and spatial dimension is big, crowded and traffic jam phenomenon can not occur.Shortcoming is the navigational aid of special-purpose airport of needs and complexity and costs an arm and a leg, is difficult to realize individuation as automobile.The advantage of automobile is to realize individuation easily, and travelling freely makes things convenient for, and price is relatively cheap, and shortcoming is influenced greatly by road environment, and speed is slow.How with these two in aircraft and automobile already proven technique be integrated, it can be travelled as general-utility car on common road surface, can take off and land again, be people's dreams for a long time.Its main difficult problem is how to make it have characters of aircraft when flight, has the feature of automobile at Lu Hangshi.The present invention has intactly solved this problem.
Summary of the invention
The present invention by the vehicle body of approximate airframe, can make before and after wing receive be affixed on back frame and launch after can make wing change the elevation angle wing folding and unfolding rotation angle mechanism, can make the screw propeller folding put and stretch out with the screw propeller jack of indentation, wheel jack, power transmission mechanism and the land row steering device etc. that can make vehicle body change height to form from automobile tail.It is characterized by:
One be installed on the made wing folding and unfolding under the roof face and launch after can make wing change the wing folding and unfolding rotation angle mechanism at the elevation angle, erect about it and adorn two wing pivots that pass the roof face, midway location under the roof face of two pivots, the opposite worm gear of screw thread is housed respectively, two worm screws are loaded on the two ends of worm shaft about matching with it, are equipped with and motor gear engaged worm gear in the middle of the worm shaft.When the motor-driven worm screw was rotated, two pivot turbines were that symmetry is rotated, and launched or withdrawal thereby drive two wings symmetry.The vertical one that is connected of the dried pivoted housing of the wing of rotating is done with making the wing wing in the pivot top that passes the roof face.The dried part of exposing the pivoted housing outer end of the wing is solidified as a whole with wing, and the dried pivoted housing inner end portion of exposing of the wing is equipped with the dried gear of the wing.The dried gear of the wing has the stranding commentaries on classics tooth bar that is subjected to the control of hydraulic pressure top to be engaged with up and down, the motion of the moving tooth bar reversing sense up and down of hydraulic pushing, and the rubbing wing is done rotation, and the wing elevation angle is increased.The elevation angle relies on the spring return.
2. screw propeller that blade can be rolled over put stretches out cylindrical folding and unfolding paddle mechanism with indentation from tailstock portion, and its oar bucket center has one to pass axle in barrel bottom and the driver train bonded assembly screw propeller spline.And its supporting spline outer shaft can and spline in slide and the engagement between the outer shaft in keeping simultaneously between the axle.This spline outer shaft front end suit the bearing dish, and the rear end suit the spline outer shaft of propeller boss and blade.Bearing dish and oar bucket play the effect of piston and cylinder simultaneously.When adding positive air pressure from oar bucket bottom, screw propeller then stretches out outside bucket; When adding negative pressure, then indentation in bucket of screw propeller.During indentation, axle passes propeller boss in the spline.Because screw propeller promotes air backward automobile is flown forward, so propeller blade can only the backward directions folding, during expansion blade with spool become an angle of 90 degrees.
3. one can make vehicle body change height, it is taken off and when landing screw propeller do not touch ground-surface wheel jack, hydraulic telescopic type bumper before and after it is installed between crane span structure and the vehicle body can make crane span structure center on its pivot and rotate up and down, wheel is taken in or emits.
4. one provides the power transmission mechanism of power for flight and land row, and its engine power reaches the transforming gear device by its main shaft, and changer is given power distribution and flown and land row axle drive shaft.The universal-joint point of transition (mid point) of its land row axle drive shaft is positioned at automobile front axle pivotal axis position, does not influence the transmission of power during with the folding and unfolding of assurance wheel; Its flight axle drive shaft is connected with axle in the screw propeller spline by turnover vertical shaft and turnover gear cluster thereof.
5. one to adapt to the land row steering device of wheel draw-in and draw-off function, its bearing circle conical gear group drives the wrom tooth bar by the rotation of worm shaft drive worm screw and seesaws, one end of its direction pull bar is connected with the wrom tooth bar by universal-joint, the other end is connected with the transverse arm of right angle orientation arm, and variable its of pull bar drive transverse arm swing drives the direction connecting rod for trailing arm and wheel swings.
Description of drawings
The present invention has accompanying drawing 9 examples.Fig. 1 is the automobile birds-eye view, state during for auto show span oar.Fig. 2 is the automobile birds-eye view, state when putting away the oars for the automobile receipts wing.Fig. 3 is automobile side figure (left side is looked), state during for automobile land row.Fig. 4 is automobile side figure (left side is looked), is automobile spademan, exhibition oar, state when putting wheel.Fig. 5 is automobile side figure (left side is looked), for automobile is opened wing elevation angle state when taking off.Fig. 6 is an automobile front elevation (facing), is automobile spademan, exhibition oar, state when putting wheel.Fig. 7 is a preceding wing folding and unfolding rotation angle mechanism front elevation (facing), state when regaining for wing.Fig. 8 is a preceding wing folding and unfolding rotation angle mechanism front elevation (facing), state when launching for wing.Fig. 9 is a preceding wing folding and unfolding rotation angle mechanism top plane view (overlooking), state when launching for wing.More than among all each figure code name all consistent with title with the position.Be convenient interpreting blueprints, it is as follows now each to be schemed the upright table of all code names, title and the apparent figure number of institute (1-9):
| Code name | Title | Apparent figure number | Code name | Title | |
| 1 | | 1，2，3，6 | 14 | Land line | 1 |
| 2 | The | 1，2，3，4，5，6，8 | 15 | Bearing circle | 1 |
| 3 | The left front wing is done | 1，2，5，7，8，9 | 16 | | 1 |
| 4 | Land line | 1 | 17 | Transforming | 1 |
| 5 | Land line direction | 1 | 18 | Land row right | 1，6 |
| 6 | The direction universal-joint | 1 | 19 | | 1 |
| 7 | Land line | 1，6 | 20 | | 1，6 |
| 8 | The dried pivoted housing of the | 1，2，9 | 21 | Land line | 1，6 |
| 9 | Rub with the hands at left front wing | 1，2，7，8，9 | 22 | Right | 1 |
| 10 | Left | 1，2，3，7，9 | 23 | Off | 1 |
| 11 | Propons | 1，3，4，6 | 24 | The propons right | 1 |
| 12 | The near | 1，3，6 | 25 | Rub with the hands at right front wing | 1，7，8，9 |
| 13 | Left | 1 | 26 | Right | 1，2，7，9 |
| 27 | The dried pivoted housing of the | 1，6，8，9 | 60 | Right | 1，2 |
| 28 | Land row | 1，3，6 | 61 | The | 1，2，3，4 |
| 29 | Land row axle drive shaft universal- | 1 | 62 | Screw propeller spline | 1，2，3，4 |
| 30 | | 1 | 63 | | 1，2，3，4 |
| 31 | The transforming | 1，2，3 | 64 | | 1，2，3，4，6 |
| 32 | The | 1 | 65 | Left front | 3，4，6 |
| 33 | The right front wing is done | 1，2，8，9 | 66 | Left front | 3，9 |
| 34 | The right | 1，2，8 | 67 | Left front | 3，9 |
| 35 | The | 1 | 68 | Propons left side pin | 3 |
| 36 | The back axle right | 1，3，4 | 69 | Back axle left side pin | 3 |
| 37 | Last | 1，2，3 | 70 | Under the gear cluster of transferring | 3 |
| 38 | Left | 1，3 | 71 | The turnover | 3 |
| 39 | Left | 1 | 72 | Left back | 3，4 |
| 40 | Back | 1 | 73 | Left back | 3 |
| 41 | The | 1，2，3，4，6 | 74 | Left back | 3 |
| 42 | Rub with the hands at left back wing | 1 | 75 | Preceding | 6，7，9 |
| 43 | Left | 1，2，3 | 76 | Right front | 7，9 |
| 44 | The dried pivoted housing of the | 1 | 77 | Right front | 7，9 |
| 45 | The left back wing is done | 1，2，5 | 78 | The dried gear of the right | 7，8，9 |
| 46 | The | 1，2，3，4，5，6 | 79 | The device upper rack is changeed in right front stranding | 7，8 |
| 47 | Left side negative | 1 | 80 | Tooth bar under the device is changeed in right front stranding | 7，8，9 |
| 48 | Left side | 1 | 81 | Right hydraulic pressure | 7，9 |
| 49 | The back axle right | 1 | 82 | Right | 7，9 |
| 50 | The flight | 1，2，3 | 83 | The device pull back spring is changeed in right front stranding | 7，9 |
| 51 | Off | 1 | 84 | The | 7，9 |
| 52 | Right | 1，2 | 85 | Gear on | 7，9 |
| 53 | Rub with the hands at right back wing | 1 | 86 | | 7，9 |
| 54 | Right | 1 | 87 | | 7，9 |
| 55 | The dried pivoted housing of the | 1，6 | 88 | The device pull back spring is changeed in left front stranding | 7，9 |
| 56 | The right back wing is done | 1，2 | 89 | Left side | 7 |
| 57 | The | 1，2 | 90 | Hydraulic pressure top, left | 7，9 |
| 58 | Axle in the | 1，2，3，4 | 91 | The device upper rack is changeed in left front stranding | 7，8 |
| 59 | Right negative | 1，2 | 92 | Tooth bar under the device is changeed in left front stranding | 7，8 |
| 93 | The dried gear of the left | 7，8，9 |
The specific embodiment
1. can find out from Fig. 1,2: four wings 2,34,46,57 in this automobile front and back rotate around pivot 10,26,43,54 separately, realize the expansion and the withdrawal of wing.Be elder generation with front wing 2,34 during expansion, after rear wing 46,57 was, then both order were opposite when regaining.The rear wing width is half of back frame width, and both wings are affixed on the back frame side by side.The front wing width equates with the back frame width, the folded mutually back frame (on the rear wing) that is affixed on of both wings.Can find out from Fig. 7,8,9, the wing pivoted is to drive gears on worm 85 and worm shaft 87 rotates by drive motor 86 and motor gear thereof 84, and the left and right sides pivot worm screw 66,77 on the worm shaft 87 drives the left and right sides pivot worm gear 67,76 that is meshed with it respectively and realization.And the variation at the wing elevation angle is rubbed 9,25 controls of commentaries on classics device with the hands by wing angle, wing angle is rubbed commentaries on classics device 9,25 with the hands and is positioned at pivot 10,26 tops and the dried pivoted housing 8 of the wing, 27 one-tenth T-shaped connections, and its inside has upper rack 79,91 and following tooth bar 80,92 folders nibbling the dried gear 93,78 of the wing that is positioned at the dried pivoted housing of the wing 8,27 the inners.Stranding commentaries on classics device tooth bar is up and down promoted by roof jack plug 82,89 and oil cylinder 81,90 and does counter motion, thereby the dried gear 93,78 of the rubbing wing rotates and make the increase of wing 2,34 elevations angle.The return at the elevation angle (reducing) is to be realized by the pull back spring opposite with hydraulic pressure top application force 88,83.
2. can find out from Fig. 1,2,3,4: screw propeller that blade 64 can be rolled over put stretches out cylindrical folding and unfolding paddle mechanism with indentation from tailstock portion, oar bucket 41 centers have one with oar bucket 41 same length and pass oar bucket bottom with on axle 58 in the turnover gear cluster 37 bonded assembly screw propeller splines, but in the spline axle 58 skins be with can be with it with then the screw propeller spline outer shaft 62 of longitudinal sliding motion again.Spline outer shaft 62 rear ends are equipped with propeller boss 63.Be equipped with on the propeller hub 63 to roll over and put blade 64.Spline outer shaft 62 front ends are equipped with prop shaft tray 61.The effect that had kept screw propeller to rotate when bearing dish 61 had both played flight, it plays the effect of piston and cylinder again respectively with oar bucket 41 simultaneously.During the screw propeller indentation, the negative pressure air that has oar bucket bottom to feed oar bucket 41 is inhaled inwardly motion of moving axis tray 61.When screw propeller stretches out, outwards move by positive pressure air impeller-hub tray 61.Stretch out in the process at screw propeller, when bearing dish 61 put in place and lockhole on its locked groove and the oar bucket 41 on time, be positioned at magnetic lock 48,60 outside oar bucket 41 rear ends just with 61 lockings of bearing dish.In screw propeller indentation process, at first magnetic lock 48,60 is discharged indentation then by negative pressure buckle release 47,59.Because screw propeller be pusher, thus blade 64 can only fold backward, after folding, blade vertical line and parallel axes, when blade launches (during work), the blade vertical line becomes 90 to spend with axis.During the screw propeller indentation, the part that the interior axle of its spline passes propeller hub places in the middle of the blade that folds.
3. can find out from Fig. 1,3,4,6: one can make vehicle body change height, it is taken off and when landing screw propeller do not touch ground-surface wheel jack.Hydraulic telescopic type bumper 65,72 before and after it is installed between bridge 20,40 and the vehicle body 1 (only providing two of front and back, the left side in the accompanying drawing), bridge 20,40 rotates up and down around crane span structure pivot 32,35 before and after can making, thereby makes wheel 12,23,38,51 folding and unfoldings.At flight and Lu Hangshi, wheel is in retracted state, and wheel is in the state of emitting when taking off and land.
4. can find out from Fig. 1,3,4: the mechanism for flight and land row transmission power, its driving engine 16 power transfer to transforming gear device 31 by engine spindle 30.Transforming gear device 31 with power distribution to land row axle drive shaft 28 and flight axle drive shaft 50.To land row diff 19, the mid point of its land row axle drive shaft universal-joint 29 is positioned at automobile front axle pivot 32 axial location to land row axle drive shaft 28 with power transmission, does not influence the transmission of power during with the folding and unfolding of assurance wheel.Flight axle drive shaft 50 is by turnover gear cluster 70, turnover vertical shaft 71 down and go up turnover gear cluster 37 and give axle 58 in the screw propeller spline with power transmission.
5. can find out from Fig. 1,6: one its bearing circle conical gear group 15 drives land line direction worm screw 4 by land line direction worm shaft 14 and rotates to adapt to the land row steering device of wheel draw-in and draw-off function, and driving land line direction wrom tooth bar 5 front and back straight-line motions.Land line direction wrom tooth bar 5 direction of passage universal-joints 6 are connected with land line direction pull bar 7.Thereby the transverse arm swing of land line direction pull bar 7 push-and-pull land row right angle orientation arms 18 makes trailing arm drive land line direction connecting rod 21 and left and right sides front-wheel swings.
Supplemental instruction: 1. the maximum forward exhibition of this automobile front wing angle is 90 degree, and the maximum backward exhibition of rear wing angle is 135 degree.All with certain sweepback angle, promptly exhibition is less than 90 degree before the front wing during general flight, and exhibition is spent greater than 90 behind the rear wing.Change and plunder angle scalable vehicle body center of gravity.2. this automobile flight control loop is made up of the hydraulic efficiency pressure switch at each wing elevation angle of control, and the elevation angle of each wing changes can make automobile be in different flight attitudes.So this automobile need not vertical tail.3. the landing of wing big-elevation can reduce the landing distance greatly before and after this automobile can be realized.Because the front and back wing is controlled the elevation angle simultaneously, vehicle body can keep horizontality when automobile rose, and needn't steeve by headstock.4. because front and back wing folding and unfolding rotation angle mechanism principle is identical,, the back alar part do not provide so establishing accompanying drawing.
Claims (8)
1. vehicle body by approximate airframe, wing folding and unfolding rotation angle mechanism, the screw propeller jack, the wheel jack, the hovercar that power transmission mechanism and land row steering device etc. form, it is characterized by: be installed on the wing folding and unfolding rotation angle mechanism under the roof face, its top pass the roof face about the opposite left and right sides pivot worm gear (67) (76) of screw thread is housed on two wing pivots (10) (26) respectively, left and right sides pivot worm gear (67) (76) is driven and is made symmetry and rotate by the left and right sides pivot worm screw (66) (77) that is installed on worm shaft (87) two ends, gear on worm (85) and drive motor gear (84) engagement, the left and right angle on its left and right sides pivot (10) (26) top is rubbed the upper rack (79) (91) and following tooth bar (80) (92) folder that change device (9) (25) with the hands and is being nibbled the dried gear of the wing (93) (78), there are roof jack plug (82) (89) and oil cylinder (81) (90) to promote to do counter motion between upper rack (79) (91) and the following tooth bar (80) (92), rub the dried gear of rotor (93) (78) with the hands, the stranding opposite with hydraulic pressure top application force is installed between upper rack (79) (91) and the following tooth bar (80) (92) simultaneously changes device pull back spring (88) (83).
2. according to the described hovercar of claim 1, it is characterized by: retractable front and back wings (2) (34) (46) (57), its rear wing (46) (57) width is half of back frame width, receive side by side forward and be affixed on back frame, its front wing (2) (34) width equates that with back frame folding back to add is affixed on back frame (on the rear wing).
3. according to the described hovercar of claim 1, it is characterized by: one can make screw propeller stretch out cylindrical folding and unfolding paddle mechanism with indentation from automobile tail, its oar bucket (41) center have one with oar bucket (41) isometric and pass axle (58) in oar bucket bottom and last turnover gear cluster (37) the bonded assembly screw propeller spline, axle (58) in the spline but skin be with can be with it with then the screw propeller spline outer shaft (62) of longitudinal sliding motion again, spline outer shaft (62) rear end is equipped with Luo Xuan Jiang Grains (63), be equipped with on the Luo Xuan Jiang Grains (63) to roll over and put blade (64), spline outer shaft (62) front end is equipped with prop shaft tray (61), bearing dish (61) contacts for the plug cylinder formula with oar bucket (41), and bearing dish (61) is by positive negative pressure air driven in the oar bucket (41).
4. according to the described hovercar of claim 1, it is characterized by: the pusher propeller blade folds back blade face ordinate and parallel axes for folding backwards, launches back blade face ordinate and axis normal.
5. according to the described hovercar of claim 1, it is characterized by: be positioned at the outer bearing dish lockout mechanism of oar bucket (41) back segment,, discharge by negative pressure buckle release (47) (59) dropout by magnetic lock (48) (60) locking.
6. according to the described hovercar of claim 1, it is characterized by: the wheel jack that can make vehicle body change height is equipped with hydraulic telescopic type bumper (65) (72) between bridge (20) (40) and the vehicle body before and after it.
7. according to the described hovercar of claim 1, it is characterized by: a mechanism for flight and land row transmission power, universal-joint (29) mid point of its land row axle drive shaft (28) is positioned at propons pivot (32) axial location, and its flight axle drive shaft (50) is by turnover gear cluster (70), turnover vertical shaft (71) and last turnover gear cluster (37) are connected with axle (58) in the screw propeller spline down.
8. according to the described hovercar of claim 1, it is characterized by: one to adapt to the land row steering device of wheel draw-in and draw-off function, drive land line direction worm screw (4) rotation by bearing circle conical gear group (15) by land line direction worm shaft (14) and drive the front and back push-and-pull campaign of land line direction wrom tooth bar (5) do, direction universal-joint (6) mid point between its land line direction wrom tooth bar (5) and the land line direction pull bar (7) is positioned at propons pivot (32) axial location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100897934A CN100473553C (en) | 2006-07-18 | 2006-07-18 | Carplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100897934A CN100473553C (en) | 2006-07-18 | 2006-07-18 | Carplane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1887609A true CN1887609A (en) | 2007-01-03 |
| CN100473553C CN100473553C (en) | 2009-04-01 |
Family
ID=37576889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100897934A Expired - Fee Related CN100473553C (en) | 2006-07-18 | 2006-07-18 | Carplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100473553C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941365A (en) * | 2010-10-11 | 2011-01-12 | 杨朝习 | Personal triphibious transport tool |
| US9259984B2 (en) | 2008-07-28 | 2016-02-16 | Fleck Future Concepts Gmbh | Combined air, water and road vehicle |
| CN108528161A (en) * | 2018-06-15 | 2018-09-14 | 中宇航通（北京）科技有限公司 | Hovercar center of gravity automatic regulating system and method and hovercar |
| CN108621727A (en) * | 2018-06-15 | 2018-10-09 | 中宇航通（北京）科技有限公司 | The eight rotor arrangements and eight rotor string wing hovercars of string wing hovercar |
| CN108621728A (en) * | 2018-06-15 | 2018-10-09 | 中宇航通（北京）科技有限公司 | A kind of hovercar center of gravity automatic regulating system and method and hovercar |
| CN108715118A (en) * | 2018-06-15 | 2018-10-30 | 中宇航通（北京）科技有限公司 | A kind of hovercar tandem double-vane extension and retraction system and hovercar |
| CN110053759A (en) * | 2019-05-10 | 2019-07-26 | 成都纵横大鹏无人机科技有限公司 | A kind of morphing vertical take-off and landing drone |
| CN110753631A (en) * | 2017-06-09 | 2020-02-04 | 张福创 | Turnover type propeller device |
| CN112603668A (en) * | 2021-01-25 | 2021-04-06 | 李文国 | Neurosurgery is with supplementary chair that resumes |
| CN115091905A (en) * | 2022-07-21 | 2022-09-23 | 北京航空航天大学 | Electric flying automobile |
-
2006
- 2006-07-18 CN CNB2006100897934A patent/CN100473553C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9259984B2 (en) | 2008-07-28 | 2016-02-16 | Fleck Future Concepts Gmbh | Combined air, water and road vehicle |
| CN101941365A (en) * | 2010-10-11 | 2011-01-12 | 杨朝习 | Personal triphibious transport tool |
| CN110753631A (en) * | 2017-06-09 | 2020-02-04 | 张福创 | Turnover type propeller device |
| CN108528161A (en) * | 2018-06-15 | 2018-09-14 | 中宇航通（北京）科技有限公司 | Hovercar center of gravity automatic regulating system and method and hovercar |
| CN108621727A (en) * | 2018-06-15 | 2018-10-09 | 中宇航通（北京）科技有限公司 | The eight rotor arrangements and eight rotor string wing hovercars of string wing hovercar |
| CN108621728A (en) * | 2018-06-15 | 2018-10-09 | 中宇航通（北京）科技有限公司 | A kind of hovercar center of gravity automatic regulating system and method and hovercar |
| CN108715118A (en) * | 2018-06-15 | 2018-10-30 | 中宇航通（北京）科技有限公司 | A kind of hovercar tandem double-vane extension and retraction system and hovercar |
| CN110053759A (en) * | 2019-05-10 | 2019-07-26 | 成都纵横大鹏无人机科技有限公司 | A kind of morphing vertical take-off and landing drone |
| CN112603668A (en) * | 2021-01-25 | 2021-04-06 | 李文国 | Neurosurgery is with supplementary chair that resumes |
| CN112603668B (en) * | 2021-01-25 | 2023-08-04 | 南京驭逡通信科技有限公司 | Neurosurgery is with supplementary chair that resumes |
| CN115091905A (en) * | 2022-07-21 | 2022-09-23 | 北京航空航天大学 | Electric flying automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100473553C (en) | 2009-04-01 |
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Granted publication date: 20090401 Termination date: 20120718 |