CN100500497C - Underplate bottom structure for vehicle - Google Patents
Underplate bottom structure for vehicle Download PDFInfo
- Publication number
- CN100500497C CN100500497C CNB200510093935XA CN200510093935A CN100500497C CN 100500497 C CN100500497 C CN 100500497C CN B200510093935X A CNB200510093935X A CN B200510093935XA CN 200510093935 A CN200510093935 A CN 200510093935A CN 100500497 C CN100500497 C CN 100500497C
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- China
- Prior art keywords
- vehicle body
- cover
- mentioned
- vehicle
- width direction
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
To provide an underfloor structure of a vehicle provided with an under cover covering a lower face side of a floor panel and having substantially plane shape on a front side of a vehicle rather than rear wheels and capable of reducing a Cd value and a C1 value even when auxiliary machinery such as a fuel tank is provided behind the under cover. Flap parts 22, 32 extending obliquely and downward are provided in parts which are close to the center in the direction of vehicle width in rear end parts of the under covers 8, 9 and in which at least a part of the fuel tank 10 and an exhaust pipe 11 (auxiliary machinery) is positioned in a rear part.
Description
Technical field
The present invention relates to a kind of underplate bottom structure of vehicle, belong to the aerodynamic drag factor that improves vehicle and the technical field of lift coefficient specifically.
Background technology
The index of aerodynamic characteristics as the expression automobile for example has, the Cd value (aerodynamic drag factor) relevant with resistance to motion etc. and with the relevant Cl value (lift coefficient) of driver behavior stability, in general the more little then rideability of these numerical value is just good more.The factor that these numerical value is produced considerable influence for example has, a pair of spiral fashion eddy current (hereinafter referred to as eddy current) that produces at the rear of vehicle both sides in the driving process, and it is extremely important for reducing described Cd value and Cl value how to slacken this eddy current.Its method for example has, try every possible means to improve the vehicle body shape, other method also has, as disclosed in the patent documentation 1 (Japanese Patent open the flat 7-52833 of communique number), roughly be cover at the bottom of the flat vehicle body what be provided for the air-flow below the vehicle floor carried out rectification below the base plate that is positioned at the place ahead with respect to trailing wheel.
Yet, rear portion at vehicle, the rear in the zone of covering at the bottom of the above-mentioned vehicle body for example is set, below in base plate, be provided with from the part of the extended freeing pipe of driving engine, and the structure of accessory equipment such as Fuel Tank is more, at this moment, if this accessory equipment projects to the position of cover bottom surface at the bottom of the vehicle body that is lower than in the patent documentation 1, then after the air-flow and accessory equipment collision through cover below at the bottom of the vehicle body, part air-flow flows out to the flows outside of overall width direction and from the car body both sides, and the air-flow of this outflow flows and converges with the eddy current of above-mentioned rear view of vehicle to rear view of vehicle along vehicle body side, so the eddy current of this rear view of vehicle is enhanced.The result is even cover at the bottom of vehicle body is set, also can't fully reduce described Cd value and Cl value.
Summary of the invention
The objective of the invention is to, provide a kind of have cover plane vehicle body of roughly being of base plate lower surface at the bottom of cover, and be arranged on respect to trailing wheel in the vehicle of vehicle body front side, even the rear of cover is provided with accessory equipments such as Fuel Tank at the bottom of vehicle body, the vehicle floor bottom section that Cd value and Cl value are reduced.
Vehicle floor bottom section of the present invention has with respect to trailing wheel cover at the bottom of the plane vehicle body of lower face side of vehicle body front side of base plate is set, the overall width direction substantial middle position of above-mentioned base plate is provided with the backplane channel portion of protuberance upward, cover has the level face at the bottom of the wherein above-mentioned vehicle body, cover is divided into the left and right sides that lays respectively at described backplane channel portion at the bottom of the above-mentioned vehicle body, cover the lower surface of above-mentioned base plate, the more outstanding accessory equipment of cover level face at the bottom of the rear of cover at the bottom of the above-mentioned vehicle body is provided with than above-mentioned vehicle body, cover rearward end at the bottom of the above-mentioned vehicle body, and at least a portion above-mentioned accessory equipment central near the overall width direction is positioned at the position at its rear, is provided with the flap portion of extending to oblique below.
Adopt said structure, though the more outstanding accessory equipment of cover level face at the bottom of the rear of cover at the bottom of the vehicle body is provided with than vehicle body, air-flow and accessory equipment through cover below at the bottom of the vehicle body are collided, and the air-flow after colliding flows out to the outside of overall width direction, but since at the bottom of vehicle body the cover rearward end, at least a portion near overall width direction central authorities and accessory equipment is positioned at the position at its rear, can suppress described air-flow to the outflow of the outside of overall width direction so be provided with the flap portion of extending to oblique below.
That is to say, rearward end by cover at the bottom of vehicle body, be positioned at the position at its rear near at least a portion of overall width direction central authorities and described accessory equipment, be provided with the flap portion of extending to oblique below, make the flap portion rear form negative pressure (negativepressure) zone, so by the attractive force of this negative pressure region to attracting to overall width direction inboard in the generation of the rear, overall width direction lateral of flap portion airflow flowing, therefore air-flow just can not flowed out to the outside of overall width direction by the effect of above-mentioned attractive force, but flows to rear view of vehicle basically.Like this, the air-flow that flows out from vehicle body side lacks during than state that flap portion is not set and back eddy diminishes, thereby can improve Cd value and Cl value.In said structure, above-mentioned flap portion can be arranged to the medial extremity of the overall width direction of cover at the bottom of the vehicle body of cutting apart about above-mentioned quilt.
Adopt said structure, can make to cover at the bottom of the vehicle body to diminish, to improve its forming characteristics.
In said structure, above-mentioned accessory equipment is any one party in Fuel Tank or the freeing pipe at least.
Adopt said structure, because Fuel Tank and freeing pipe are all outstanding to the below of base plate usually, so above-mentioned effect can be more obvious.
In said structure, can be provided with the muscle portion (bead) of extending on the cover at the bottom of the vehicle body, and this muscle portion may extend to flap portion along the vehicle fore-and-aft direction.
Adopt said structure,, particularly guarantee that to being difficult to the flap portion of rigidity can produce effect preferably, and can carry out rectification air-flow by the rigidity that muscle portion can guarantee cover at the bottom of the vehicle body is set.
Description of drawings
Fig. 1 is the bottom surface generalized schematic of the related vehicle of the embodiment of the invention.
Fig. 2 is an A-A line cutaway view among Fig. 1.
Fig. 3 is a B-B line cutaway view among Fig. 1.
Fig. 4 is the block diagram at cover rear portion, right side at the bottom of the vehicle body.
Fig. 5 is the block diagram at rear portion, cover left side at the bottom of the vehicle body.
Fig. 6 is the scheme drawing of the effect of explanation present embodiment.
Fig. 7 is the scheme drawing of the above-mentioned effect of explanation.
Fig. 8 is the scheme drawing of the above-mentioned effect of explanation.
Fig. 9 represents to cover when flap portion not being set at the bottom of the vehicle body measured drawing of the velocity flow profile of vehicle floor below air-flow.
Figure 10 represents to be covered with when being equipped with flap portion at the bottom of the vehicle body, the measured drawing of the velocity flow profile of vehicle floor below air-flow.
The specific embodiment
Below, specific embodiments of the invention are described.
As shown in Figure 1, the vehicle 1 that present embodiment is related, be in the engine room 2 in front part of vehicle (left side of Fig. 1), driving engine 3 to be set, vehicle with FF (front engine front drive) type that drives front-wheel 4,4, the overall width direction substantial middle position of the base plate 5 of vehicle 1 is formed with upward the backplane channel portion 6 that (compartment direction) swells.
This backplane channel portion 6 in the left and right sides of its overall width direction, is positioned at vehicle rear-side with respect to front-wheel 4,4, is positioned at the position of vehicle front side with respect to trailing wheel 7,7, is provided with to cover cover 8,9 at the bottom of the plane vehicle body of roughly being of these base plate 5 lower surfaces.
The rear of cover 8,9 at the bottom of above-mentioned vehicle body, the Fuel Tank 10 that is provided with, as Fig. 2, (Fig. 2 is that A-A line cutaway view, Fig. 3 are B-B line cutaway views among Fig. 1 among Fig. 1) shown in Figure 3, outstanding to the below of base plate 5, and the bottom surface of Fuel Tank 10 is lower than the level face 21,31 of cover 8,9 at the bottom of the vehicle body described later.
In backplane channel portion 6, be provided with the freeing pipe 11 that extends to rear view of vehicle from driving engine 3, described backplane channel portion 6 is crooked near vehicle rear end, and rearward extends along the side of Fuel Tank 10.And 8,9 level face 21,31 is covered at the bottom of being lower than vehicle body in the lower end of freeing pipe 11.
In addition, as Fig. 1, shown in Figure 3, the left part of Fuel Tank 10 (upside of Fig. 1) is provided with the division board 12 that is used to isolate this Fuel Tank 10 and freeing pipe 11.For making division board 12 outstanding with respect to the lowest surfaces of Fuel Tank 10 downwards, the height of the division board 12 lower surfaces roughly height with the lower surface of Fuel Tank 10 is identical.
At this, cover 8 at the bottom of the described vehicle body, shown in Fig. 1, Fig. 4 (covering the block diagram of 8 upper surfaces at the bottom of direction shown in the arrow C among Fig. 1 (top) the slightly observation vehicle body), have level face 21, the flap portion 22 of extending to oblique below (scope shown in the symbol Lr among Fig. 4), and from the rearward horizontally extending extension 23 in the rear end of this flap portion 22 from the rear end of the overall width direction medial extremity (scope shown in the symbol Wr Fig. 4) of this level face 21.The width W r of flap portion 22 is configured to, and makes at least a portion of Fuel Tank 10 and freeing pipe 11 can be positioned at the rear of this flap portion 22.
On level facial 21 and extension 23, be formed with a plurality of reinforcement muscle portions 24 of extending along the vehicle fore-and-aft direction ... 24, wherein a part extends to flap portion 22.
On the level face 21, be provided with a plurality of hole portion 25 ... 25, when cover 8 is fixed on base plate 5 component parts such as vehicle body such as grade at the bottom of with this vehicle body, links such as rivet can insert above-mentioned hole portion 25 ... in 25, and at the bottom of vehicle body, cover the assigned address of 8 circumferences, be provided with and be used to strengthen cover 8 flanges for adding rigidity shape joggling parts 26 at the bottom of this vehicle body.
In addition, cover 9 at the bottom of the vehicle body, shown in Fig. 1, Fig. 5 (from covering the block diagram of 9 upper surfaces at the bottom of arrow D direction Fig. 1 (top) the slightly observation vehicle body), the flap portion 32 that has level facial 31 and extend to oblique below (scope shown in the symbol L1 among Fig. 5) from the rear end of the overall width direction medial extremity (scope shown in the symbol W1 Fig. 5) of this level face 31.The width W 1 of flap portion 32 is configured to, and makes at least a portion of Fuel Tank 10 can be positioned at the rear of this flap portion 32.
Form a plurality of reinforcement muscle portions 33 of extending on the level face 31 along the vehicle fore-and-aft direction ... 33, wherein a part extends to flap portion 32.
On the level face 31, be provided with a plurality of hole portion 34 ... 34, when cover 9 is fixed on base plate 5 component parts such as vehicle body such as grade at the bottom of with this vehicle body, links such as rivet can insert above-mentioned hole portion 34 ... in 34, and at the bottom of vehicle body, cover the assigned address of 9 circumferences, be provided with and be used to strengthen cover 9 flanges for adding rigidity shape joggling parts 35 at the bottom of this vehicle body.
Below the effect that present embodiment produced is described.
As Fig. 6～shown in Figure 8, in the present embodiment, though flow into the air-flow of vehicle body below from the front portion (left side of Fig. 7) of vehicle 1, after below by engine room 2, can be through the below of base plate 5, but because the lower surface of base plate 5 covers 8,9 at the bottom of being provided with the vehicle body that roughly is plane, and be formed with muscle portion 24 on the cover 8,9 at the bottom of this vehicle body ... 24,33 ... 33, thus at the bottom of the vehicle body cover 8,9 belows air-flow F1～F4 by muscle portion 24 ... 24,33 ... 33 guiding and flow to the rear.
At this moment, among these air-flows F1～F4, air-flow F1, the F2 of the overall width direction flows inside of cover 8,9 at the bottom of vehicle body, as Fig. 7, shown in Figure 8, flow to oblique below along flap portion 22,32,, and do not collide with Fuel Tank 10 through the below of Fuel Tank 10 and freeing pipe 11.That is to say, these air-flows F1, F2, as shown in Figure 6, roughly linearly rearward mobile.
In addition, the overall width direction external side end of cover 9 at the bottom of vehicle body, particularly with respect to the air-flow F3 of flap portion 32 in overall width direction flows outside, can collide with freeing pipe 11, and flow out to the overall width direction outside, yet because the rear of described flap portion 32 is formed with negative pressure region V1, so can produce the attractive force that described air-flow F3 is drawn to this negative pressure region V1 side draught, air-flow F3 just flows to rear view of vehicle under the effect of this attractive force like this.
In addition, the overall width direction external side end of cover 8 at the bottom of the vehicle body, particularly with respect to the air-flow F4 of flap portion 22 in overall width direction flows outside, meeting collides with the part of the vehicle front side side of Fuel Tank 10, and flow out to the overall width direction outside, yet because the rear of described flap portion 22 is formed with negative pressure region Vr, so can produce the attractive force that described air-flow F4 is attracted to this negative pressure region Vr, air-flow F4 just flows to rear view of vehicle under the effect of this attractive force like this.
That is to say that owing to be provided with flap portion 22,32, air-flow F1～F4 rearward flows straight, and can not flow out to the overall width direction outside in the present embodiment shown in Fig. 6 symbol F1 '～F4 '.
Fig. 9, Figure 10 is cover 8 at the bottom of the verification setting vehicle body, 9 and flap portion 22,32 and the effect that produces, respectively flap portion 22 is being set not, 32 state and be provided with flap portion 22, under 32 the state, with all identical condition of other condition, in flap portion 22,32 position, the front and back (X of Fig. 6 that the position is set, position shown in the Y, flap portion 22 be not set, under 32 the state, be meant on the vehicle fore-and-aft direction and X, and position, rear suspension rear (position among Fig. 6 shown in the Z) scheme drawing that the air-flow velocity of vehicle floor below is surveyed the position that Y is identical).Fig. 9 is not for to be provided with 22,32 o'clock scheme drawing of flap portion, and Figure 10 is provided with 22,32 o'clock scheme drawing of flap portion.
At first, under the state that flap portion 22,32 is not set, can obviously find out from Fig. 9, the position of the fastest flow velocity on the overall width direction of vehicle floor below, with the order of the rear position Z of the rear position Y of the anterior position X of flap portion 22,32, flap portion 22,32, rear suspension, little by little outwards expansion.This means, the air-flow of vehicle floor below owing to collide with Fuel Tank 10 and freeing pipe 11 to overall width direction diffuse outside.
And under the state that is provided with flap portion 22,32, can obviously find out from Figure 10, the position of the fastest flow velocity on the overall width direction of vehicle floor below almost do not change at anterior position X, the rear position Y of flap portion 21,31, the rear position Z of rear suspension of flap portion 21,31.This means that although have Fuel Tank 10 and freeing pipe 11, the air-flow of vehicle floor below also can flow to rear view of vehicle basically straight.
As mentioned above, in the present embodiment, because cover 8 at the bottom of vehicle body, 9 rearward end, be positioned at the position at its rear near at least a portion of overall width direction central authorities and Fuel Tank 10 and freeing pipe 11 (accessory equipment), be provided with the flap portion 22 of extending to oblique below, 32, so after flap portion, can form negative pressure region Vr, Vl, because this negative pressure region Vr, Vl, to in flap portion 22,32 rear, overall width direction lateral airflow flowing produces to the inboard attractive force that attracts of overall width direction, so the effect that this air-flow is subjected to above-mentioned attractive force is just flowed and can not flowed out to the overall width direction outside to rear view of vehicle basically.That is to say, can reduce the air-flow that flows out from vehicle body side and back eddy is diminished, thereby can improve Cd value and Cl value.
In addition, because cover 8,9 is divided into the left and right sides that can lay respectively at backplane channel portion 6 at the bottom of the vehicle body, so cover 8,9 diminishes at the bottom of can making vehicle body, to improve its forming characteristics.
In addition, all be in usually to the outstanding state in base plate 5 belows, so above-mentioned effect can be more obvious for Fuel Tank 10 and freeing pipe 11.
In addition, because cover 8,9 is provided with the muscle portion 24 of extending along the vehicle fore-and-aft direction at the bottom of the vehicle body ... 24,33 ... 33, and this muscle portion 24 ... 24,33 ... 33 extend to flap portion 22,32 places, so muscle portion 24 ... 24,33 ... 33 not only can guarantee the rigidity of cover at the bottom of the vehicle body, particularly guarantee that to being difficult to the flap portion of rigidity can produce effect preferably, and can carry out rectification air-flow.
The foregoing description is cover at the bottom of the vehicle body to be divided into the state that lays respectively at the backplane channel portion left and right sides be illustrated, but cover can not cut apart yet at the bottom of the vehicle body, flap portion can be arranged on the position of close overall width direction central authorities of the rearward end of cover at the bottom of the vehicle body this moment.
The present invention is widely used in being provided with in the base plate bottom vehicle of accessory equipments such as Fuel Tank or freeing pipe.
Claims (4)
1. the underplate bottom structure of a vehicle has with respect to trailing wheel and is arranged on cover at the bottom of the plane vehicle body of lower face side of vehicle front side of base plate, and the overall width direction substantial middle position of above-mentioned base plate is provided with the backplane channel portion of protuberance upward, it is characterized in that:
Cover has the level face at the bottom of the above-mentioned vehicle body,
Cover is divided into the left and right sides that lays respectively at described backplane channel portion at the bottom of the above-mentioned vehicle body, covers the lower surface of above-mentioned base plate,
The more outstanding accessory equipment of cover level face at the bottom of the rear of cover at the bottom of the above-mentioned vehicle body is provided with than above-mentioned vehicle body,
Cover rearward end at the bottom of above-mentioned vehicle body is positioned at the position at its rear near at least a portion of overall width direction central authorities and above-mentioned accessory equipment, is provided with the flap portion of extending to oblique below.
2. the underplate bottom structure of vehicle according to claim 1 is characterized in that,
Above-mentioned flap portion is arranged at the medial extremity of the overall width direction of covering at the bottom of the vehicle body of cutting apart about above-mentioned quilt.
3. the underplate bottom structure of vehicle according to claim 1 and 2 is characterized in that,
Above-mentioned accessory equipment is any one party in Fuel Tank and the freeing pipe at least.
4. the underplate bottom structure of vehicle according to claim 1 and 2 is characterized in that,
Cover is provided with the muscle portion of extending along the vehicle fore-and-aft direction at the bottom of the above-mentioned vehicle body, and this muscle portion extends to flap portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004246450 | 2004-08-26 | ||
| JP2004246450A JP4556559B2 (en) | 2004-08-26 | 2004-08-26 | Underfloor structure of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1740022A CN1740022A (en) | 2006-03-01 |
| CN100500497C true CN100500497C (en) | 2009-06-17 |
Family
ID=36092600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510093935XA Expired - Fee Related CN100500497C (en) | 2004-08-26 | 2005-08-19 | Underplate bottom structure for vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4556559B2 (en) |
| CN (1) | CN100500497C (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4395147B2 (en) * | 2006-06-07 | 2010-01-06 | トヨタ自動車株式会社 | Exhaust system |
| JP5119799B2 (en) * | 2007-08-10 | 2013-01-16 | 日産自動車株式会社 | Vehicle structure |
| FR2930511B1 (en) * | 2008-04-25 | 2010-04-23 | Peugeot Citroen Automobiles Sa | BODY STRUCTURE OF A VEHICLE |
| JP5212189B2 (en) * | 2009-03-09 | 2013-06-19 | トヨタ自動車株式会社 | Vehicle under-floor rectification structure |
| CN102741080B (en) | 2009-09-08 | 2013-08-21 | 丰田自动车株式会社 | Vehicle underbody structure |
| US8668254B2 (en) * | 2010-04-08 | 2014-03-11 | Nissan Motor Co., Ltd. | Vehicle underfloor structure |
| EP2676869B1 (en) * | 2011-02-15 | 2014-10-22 | Toyota Jidosha Kabushiki Kaisha | Structure for lower portion of vehicle |
| MX2013006787A (en) * | 2011-02-17 | 2013-11-04 | Honda Motor Co Ltd | Under covers for vehicle body. |
| JP5853666B2 (en) * | 2011-12-20 | 2016-02-09 | マツダ株式会社 | Lower body structure of the vehicle |
| JP5686106B2 (en) | 2012-02-14 | 2015-03-18 | 三菱自動車工業株式会社 | Lower body structure of the vehicle |
| JP5525563B2 (en) * | 2012-04-03 | 2014-06-18 | 本田技研工業株式会社 | Lower body structure of automobile |
| JP6221547B2 (en) * | 2013-09-18 | 2017-11-01 | スズキ株式会社 | Under cover mounting structure |
| JP6145422B2 (en) * | 2014-05-13 | 2017-06-14 | 本田技研工業株式会社 | Undercarriage of the vehicle |
| JP6550720B2 (en) * | 2014-10-30 | 2019-07-31 | スズキ株式会社 | Vehicle bottom structure |
| JP6179535B2 (en) * | 2015-02-19 | 2017-08-16 | トヨタ自動車株式会社 | Vehicle having an air flow path on the side of the vehicle body |
| JP6304325B2 (en) * | 2016-08-22 | 2018-04-04 | マツダ株式会社 | Car rectification structure |
| JP6547766B2 (en) * | 2017-01-16 | 2019-07-24 | トヨタ自動車株式会社 | Vehicle substructure |
| CN109835426B (en) * | 2019-02-28 | 2020-05-05 | 厦门理工学院 | Composite drag reduction design of van |
| CN112319213A (en) * | 2020-11-10 | 2021-02-05 | 东风柳州汽车有限公司 | Vehicle body oil tank guide plate and vehicle with same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03103880U (en) * | 1990-02-09 | 1991-10-29 | ||
| JP3164245B2 (en) * | 1992-05-29 | 2001-05-08 | 日産自動車株式会社 | Car underfloor structure |
| JP3269197B2 (en) * | 1993-08-12 | 2002-03-25 | 日産自動車株式会社 | Car underfloor structure |
| JP2751794B2 (en) * | 1993-08-23 | 1998-05-18 | 日産自動車株式会社 | Car underfloor structure |
| JP2833472B2 (en) * | 1994-05-17 | 1998-12-09 | 日産自動車株式会社 | Underfloor structure of vehicle |
| JP3503243B2 (en) * | 1995-03-07 | 2004-03-02 | 日産自動車株式会社 | Body lower structure |
| JP3853109B2 (en) * | 1999-07-06 | 2006-12-06 | 本田技研工業株式会社 | undercover |
-
2004
- 2004-08-26 JP JP2004246450A patent/JP4556559B2/en not_active Expired - Fee Related
-
2005
- 2005-08-19 CN CNB200510093935XA patent/CN100500497C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1740022A (en) | 2006-03-01 |
| JP2006062494A (en) | 2006-03-09 |
| JP4556559B2 (en) | 2010-10-06 |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20190819 |