CN1218116C - Engine cabin structure for engineering machinery - Google Patents
Engine cabin structure for engineering machinery Download PDFInfo
- Publication number
- CN1218116C CN1218116C CN02144039.5A CN02144039A CN1218116C CN 1218116 C CN1218116 C CN 1218116C CN 02144039 A CN02144039 A CN 02144039A CN 1218116 C CN1218116 C CN 1218116C
- Authority
- CN
- China
- Prior art keywords
- pipeline
- radiator
- side cover
- engine
- motor
- 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 - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/08—Air inlets for cooling; Shutters or blinds therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
In a structure of an engine compartment (1) in a work machine such as a tractor, a bulldozer, a hydraulic excavator, a wheel loader, the air taken through vents (4), which are formed on side covers (2) and a hood (3) covering the engine compartment (1), is supplied directly to a radiator (6) via ducts (8, 9) which are provided on the side of the side covers (2) and the side of the hood (3) respectively. The ducts (8, 9) cover the vents (4), thereby preventing noise within the engine compartment (1) from escaping to the outside. Therefore it is possible to increase a cooling efficiency of the radiator (6) by supplying the outside air, which does not take up the heat of an engine (10), directly to the radiator (6), as well as to reduce the engine sound and prevent the engine noise from escaping.
Description
Technical field
The present invention relates to the engine compartment structure in a kind of engineering machinery (for example tractor, bulldozer, hydraulic shovel, wheel loader etc.).More particularly, relate to a kind of structure that can improve radiator cooling effectiveness, reduction engine sound and prevent to send noise from engine compartment.
Background technique
In general, the internal structure of having known the engine compartment of engineering machinery already is such, that is, a radiator and an oil cooler are arranged in the front portion of motor or analog, so that come cooling radiator and oil cooler by a cooling fan.Cooling fan can directly be driven by belt drives or similar fashion by motor, perhaps can be driven by a motor or oil hydraulic motor, and the rotation that motor or oil hydraulic motor are independent of motor is rotated and controls.For come cooling radiator, oil cooler and analog by cooling fan, there is such one type, promptly, directly suck outside air by front surface and come cooling radiator and oil cooler from radiator, or such one type, that is, and by coming cooled engine from the outside air that starts pusher side to introduce, then relend and help cooling fan to discharge cold wind, suck cold wind simultaneously and come cooling radiator and oil cooler.Perhaps, can take in conjunction with above-mentioned two types mode.
For example, Japanese Patent Application Laid-Open 2001-27130 has described by the front surface from radiator and has directly sucked the type that outside air comes cooling radiator and oil cooler.
Come above-mentioned public publication is described with reference to Fig. 7 below.As shown in Figure 7, by the ventilating hole 21 suction outside airs of a radiator cooling fan 22 by a cover cap 20 front sides, use cooling one radiator 23, be expelled to outside air one side by an outlet grid 24 subsequently, described outlet grid is arranged on the left and right sides of cover cap 24.Motor 25 is covered hermetically by a shield 26, escapes to the outside with the noise that prevents motor.In addition, in the shield 26 that is arranged at motor 25 bottoms, be provided with the but ventilating hole 21 used of motor of cooling.The outside air that sucks by ventilating hole 21 by cooling fan of engine 27 after motor 25 having been carried out cooling, by a pipeline 28 by dispatch to outside air one side.
The Japan Patent spy opens 2001-182535 and has disclosed such one type,, discharges cold wind by coming cooled engine from the outside air that starts pusher side to introduce, then relend to help cooling fan that is, sucks cold wind simultaneously and comes cooling radiator and oil cooler.
Come above-mentioned public publication is described with reference to Fig. 8 below.As shown in Figure 8, be used for the air of cooled engine 25 to be sucked by a cooling fan 30, this cooling fan is driven by an oil hydraulic motor 29, and the rotation that described oil hydraulic motor is independent of motor is rotated and controls.Then, cooling air in cooling radiator 23 and oil cooler 31 by the front side of dispatch to cover cap 20.
In addition, in order to obtain best cooling effectiveness by cooling fan 30, by detecting cooling water temperature, temperature working fluid and engine speed, control the rotating speed of oil hydraulic motor 29 subsequently again corresponding to cooling water temperature, temperature working fluid and engine speed, just can control the speed of cooling fan 30.Therefore, external air temperature when engine start, cooling water temperature and temperature working fluid all are lower than under the situation of setting temperature, even after engine start, cooling fan 30 also keeps transfixion.When chilling temperature rises to the temperature that is equal to or higher than setting temperature and working fluid and is lower than setting temperature, outside air is caused the front side of radiator 23 by making cooling fan 30 counter-rotatings.Then, the working fluids in the oil cooler 31 are heated up, simultaneously, remove the chip that accumulates in radiator 23 and the analog by counter blow by a burst of warm braw that heats by radiator 23.All be equal to or higher than under the situation of setting temperature at cooling water temperature and temperature working fluid, draw by the cooling fan 30 of rotation usually motor 25 is carried out overcooled cold wind, thereby make cooling water and working fluid cooling.Therefore, this prior art is intended to shorten the temperature rise time of hydraulic machine, and improves cooling effectiveness by the chip of removing in radiator 23 and the oil cooler 21.
Yet in above-mentioned preceding a kind of (Japanese Patent Application Laid-Open 2001-27130) prior art, because engine compartment crested plate covers into sealing state, the engine compartment temperature inside can become very high owing to the heat that motor sent.Therefore, must improve the speed of radiator cooling fan and cooling fan of engine further, so that make engine cooling.Therefore, along with engine speed raising and motor send more heat, be difficult to improve cooling effectiveness.In addition, cooling fan of engine and radiator cooling fan need be set respectively, can make the structure of engine compartment inside become complicated like this.
In above-mentioned back a kind of (Japanese Patent Application Laid-Open 2001-182535) prior art, control the rotating speed of oil hydraulic motor corresponding to cooling water temperature, temperature working fluid and engine speed, and then the speed of control cooling fan, so that obtain best cooling effectiveness.Yet, because cold wind that motor is cooled off is used to cooling radiator and oil cooler, thereby when motor having been carried out cooling and because the motor heating when making the cold wind intensification, can make the cooling effectiveness variation for radiator.The result is that the necessary speed that improves cooling fan so just makes the sound of motor louder.
Summary of the invention
The present invention can solve the above problems effectively.
According to the present invention, a kind of engine compartment structure of engineering machinery is provided, comprising: the side cover of the left and right sides of covering engine chamber; And a pair of first pipeline, should be folded in a motor and between first ventilating hole on the side cover to first pipeline, the first paired pipeline directly causes air one radiator by first ventilating hole, wherein, side cover constitutes and can open and close, and each first piping erection is on side cover, thereby when each side cover was opened, first pipeline and corresponding side cover were brought to the outside of engine compartment with being integral.
In the present invention, pipeline is arranged on the left and right side cap, and between motor and between the ventilating hole on the left and right side cap of covering engine chamber.In addition, be introduced directly into radiator through the pipeline inhaled air, can not draw the heat that motor sends, thereby can improve the cooling effectiveness of radiator by ventilating hole.In addition, owing to can prevent engine noise by the effusion of the ventilating hole on the side cover by pipeline, thereby can strengthen isolates sound.When in pipeline, soundproof material being set, can more effectively improve soundproof effect.
In addition, ventilating hole can be the open part of a plurality of narrow orifice shapes, perhaps can be formed by the screen cloth sheet material.In addition, ventilating hole can be a plurality of punchings or analog.By the sheet metal, screen cloth sheet material or the analog that are formed with ventilating hole are installed on side cover, just can on side cover, form ventilating hole.Perhaps, can directly on ventilating hole, form side cover.No matter which kind of mode to form ventilating hole, can both prevent that chip, dust and analog are carried into radiator and stop up radiator, as long as will be as the size adjusting of the ventilating hole of intakeport for can prevent that chip, dust and analog from entering by it with.In addition, the inboard of engine compartment can be maintained in clean conditions.
The open part towards radiator that it is desirable for pipeline is open to the air sucking side of cooling fan, so that radiator can be cooled off by the outside air that open part is supplied.Cooling fan can two-way rotation situation under, open part can be arranged to will to be supplied to by the outside air of pipeline the leading flank of the suction outside air of the motor sideway swivel surface of cooling fan and radiator.
Can be with piping erection in the position that this pipeline can be installed, for example a side cover or a cover cap.At this moment, under the situation of pipeline, just can in one of the engine compartment inboard bigger space, overhaul by pulling down pipeline by bolt or the detachable installation of analog.Then, when after maintenance, reinstalling pipeline, can further bring into play effect of the present invention.
If piping layout is become to cover all ventilating holes, just can prevent that the sound in the engine compartment from escaping to the outside by the ventilating hole on the side cover, thereby improve the sound insulation situation as described above.
The cold wind that is used for cooled engine sucks by ventilating hole or the analog that is formed on the motor bottom.In addition, cooling fan not only can cooling radiator, and can cold oil cooler or analog, as long as oil cooler or analog are positioned over before the cooling fan.
As for the structure of the pipeline in the engine compartment, preferably, the described first paired piping erection is in left and right side cover.According to the present invention, when the side cover of energy freely openable is opened, pipeline and the side cover that is installed on side cover can be taken out with being integral.
Therefore, as long as side cover is just opened and can be overhauled engine compartment, need not to take out pipeline.When side cover is opened, can side cover be remained opening-wide state by the locking device (a for example latch hook) of a locking side cover.When side cover being closed, just pipeline can be reset in the engine compartment when engine compartment maintenance is finished.
In addition, preferably, engine compartment also comprises at least one second pipeline, described second pipeline is folded in described motor and between second ventilating hole on the cover cap that covers on the described engine compartment, described second pipeline directly causes air described radiator by described second ventilating hole.
According to the present invention, also pipeline can be set on the cover cap of covering engine chamber upper side.Pipeline is set on cover cap can improves the outside air quantity that is sent to radiator.Therefore, can improve the cooling effectiveness of cooling fan to radiator.
In the present invention, need to be not limited to radiator by the object of cooling fan cooling.Oil cooler or analog also can be cooled off by cooling fan.
The heat sink side open part that it is desirable for the pipeline that is arranged on the cover cap is open to the air sucking side of cooling fan, so just can come cooling radiator by the outside air of supplying with by this open part.Cooling fan can two-way rotation situation under, open part can be arranged to make outside air to be supplied to the leading flank of the suction outside air of the motor sideway swivel surface of cooling fan and radiator by pipeline.
Description of drawings
Fig. 1 is the stereogram of peripheral part of the engine compartment of an engineering machinery;
Fig. 2 is the stereogram of engine compartment inside, and wherein cover cap and side cover are removed;
Fig. 3 is the front elevation of side cover;
Fig. 4 is a front elevation that improves embodiment of side cover;
Fig. 5 is the front elevation of hood section;
Fig. 6 is a front elevation that improves embodiment of hood section;
Fig. 7 is the view that a kind of prior art is shown; And
Fig. 8 is the view that another kind of prior art is shown.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described.
Fig. 1 shows the side cover 2 of covering engine chamber 1 and the stereogram of cover cap 3.The side cover 2 that is positioned at the left and right sides can open and close by hinge 5 respectively.Side cover 2 is attached a sheet metal 11, and this sheet metal is provided with a plurality of punchings to form ventilating hole 4.Replace these punchings, vent also can be formed in a plurality of narrow orifice shape opening portions on the sheet metal, perhaps can be the screen cloth sheet material.In addition, replace sheet metal, punching or narrow orifice shape opening portion can be formed directly on the side cover 2.
Fig. 2 shows the stereogram of engine compartment 1 inside, and in the figure, described side cover 2 and cover cap 3 are removed.One motor 10 and other device are arranged in the engine compartment 1.One cooling fan 7 and a radiator 6 are arranged in the front side of motor 10.Cooling fan 7 rotates according to the rotation of motor 10.Cooling fan 7 sucks and motor 10 is carried out overcooled cooling air, that is, introduce outside air by the ventilating hole (not shown) that is formed on motor 10 bottoms, and directly introduce outside air by pipeline 8 and 9, and cooling radiator 6 whereby.It is desirable for pipeline 8 and 9 open parts in radiator one side are open to the air sucking side of cooling fan, thereby radiator can be cooled off by the outside air that comes from open part.In the case, cooling fan can be driven by the motor or the oil hydraulic motor that are independent of motor 10 settings.When being independent of motor that motor 10 is provided with or oil hydraulic motor can two-way rotation the time, cooling fan 7 also can two-wayly rotate.Therefore, open part is to be arranged to make outside air to be supplied to the leading flank of the suction outside air of the motor sideway swivel surface of cooling fan and radiator by pipeline.
Fig. 3 shows the structure of one of left and right side cover 2.Owing to the structure of the side cover 2 that is arranged on a side is identical with another side cover, thereby just no longer another is described.
When side cover rotated with respect to hinge 5, pipeline 8 rotated with side cover 2 with being integral and leaves engine compartment.Therefore, can under the situation that side cover 2 opens wide, overhaul engine compartment 1 inside.In the case, pipeline 8 must be configured to like this, that is, when side cover was opened or closed, pipeline can not contact with the opening portion of side cover and hinder the opening and closing of side cover.
Fig. 4 shows an improved embodiment, and wherein the pipeline 8 of side cover 2 one sides is installed on cover cap 3 one sides.Owing to pipeline 8 is not installed on side cover 2,, pipeline 8 is opened wide by making side cover 2 center on hinge 5 rotations and opening side cover 2.So, can remove the chip, dust or the analog that accumulate in the pipeline 8.In addition, if under this state, pipeline 8 is pulled down from cover cap 3, just can overhaul the inboard of engine compartment easily.
Fig. 5 and 6 shows the pipeline 9 that is attached to cover cap 3.Pipeline 9 shown in Figure 5 is made up of a single pipeline 9.Pipeline 9 shown in Figure 6 is made up of two independent divided portion.Or to see the spatial condition in the engine compartment 1 and decide actually determine to be attached to a plurality of parts of pipeline 9 single parts of cover cap 3.The same with the side cover 2 that is formed with ventilating hole 4, the ventilating hole 4 that is formed on the cover cap 3 also can be a plurality of holes or the narrow orifice that is applied on the sheet metal.The air of supplying with by the ventilating hole on cover cap 3 upper surfaces 4 can be used for cooling radiator.Omitted in this manual the description of pipeline 9, because this aperture position is identical with the above-mentioned pipeline 8 that is positioned at side cover 2 one sides at the aperture position of heat sink side.
Others of the present invention, purpose and advantage can become clear by the research to accompanying drawing, specification and appended embodiment.
Label in the specification is represented respectively:
1: engine compartment
2: side cover
3: cover cap
4: ventilating hole
5: hinge
6: radiator
7: cooling fan
8: pipeline (side cover one side)
9: pipeline (cover cap one side)
10: motor
11: sheet metal
12: bolt
13: the bead part
20: cover cap
21: ventilating hole
22: the radiator cooling fan
23: radiator
24: the outlet grid
25: motor
26: shield
27: cooling fan of engine
28: pipeline
29: oil hydraulic motor
30: cooling fan
31: oil cooler
Claims (2)
1. the engine compartment structure of an engineering machinery comprises:
The side cover (2) of the left and right sides of covering engine chamber (1), and
A pair of first pipeline (8), should be folded in a motor (10) and be positioned between first ventilating hole (4) on the described side cover (2) first pipeline, described paired first pipeline (8) directly causes air one radiator (6) by described first ventilating hole (4), it is characterized in that
Described side cover (2) constitutes and can open and close, and
Described each first pipeline (8) is installed on the described side cover (2), thereby when each side cover (2) when being opened, described first pipeline and corresponding side cover (2) are brought to the outside of described engine compartment (1) with being integral.
2. engine compartment structure as claimed in claim 1, it is characterized in that, also comprise at least one second pipeline (9), described second pipeline is folded in described motor (10) and is positioned between second ventilating hole (4) on the cover cap (3) that covers on the described engine compartment (1), and described second pipeline (9) directly causes air described radiator (6) by described second ventilating hole (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001308499 | 2001-10-04 | ||
| JP2001308499A JP2003113715A (en) | 2001-10-04 | 2001-10-04 | Engine room structure for traveling working machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1412421A CN1412421A (en) | 2003-04-23 |
| CN1218116C true CN1218116C (en) | 2005-09-07 |
Family
ID=19127800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02144039.5A Expired - Fee Related CN1218116C (en) | 2001-10-04 | 2002-09-29 | Engine cabin structure for engineering machinery |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20030066209A1 (en) |
| JP (1) | JP2003113715A (en) |
| CN (1) | CN1218116C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102666174A (en) * | 2010-08-02 | 2012-09-12 | 株式会社小松制作所 | Work vehicle |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4199584B2 (en) | 2003-04-10 | 2008-12-17 | 株式会社小松製作所 | Engine room cover for work machine |
| JP2006046260A (en) * | 2004-08-06 | 2006-02-16 | Hitachi Constr Mach Co Ltd | Draining device for construction machine |
| SE530178C2 (en) * | 2004-10-27 | 2008-03-18 | Atlas Copco Rock Drills Ab | drill rigs |
| JP4983040B2 (en) * | 2006-02-17 | 2012-07-25 | コベルコクレーン株式会社 | Wheeled work machine |
| JP5067397B2 (en) * | 2009-05-25 | 2012-11-07 | トヨタ自動車株式会社 | Control device for internal combustion engine |
| JP2012091745A (en) | 2010-10-28 | 2012-05-17 | Hitachi Constr Mach Co Ltd | Transportation vehicle |
| JP5369124B2 (en) * | 2011-01-21 | 2013-12-18 | 株式会社小松製作所 | Bulldozer |
| JP5261589B1 (en) * | 2012-04-24 | 2013-08-14 | 株式会社小松製作所 | Bulldozer |
| CA2779475C (en) * | 2012-05-29 | 2015-04-07 | Macdon Industries Ltd. | Windrower tractor with parallel heat exchangers for cooling of engine and associated fluids |
| US9579968B2 (en) * | 2012-11-30 | 2017-02-28 | Cnh Industrial America Llc | One-way vented screen assembly for a work vehicle |
| CN104302844B (en) * | 2013-02-22 | 2016-01-20 | 株式会社小松制作所 | Wheel loader |
| JP5507762B1 (en) * | 2013-03-13 | 2014-05-28 | 株式会社小松製作所 | Work vehicle |
| CN104185723B (en) * | 2013-03-26 | 2015-11-25 | 株式会社小松制作所 | Working truck and wheel loader |
| WO2014155678A1 (en) * | 2013-03-29 | 2014-10-02 | 株式会社小松製作所 | Bulldozer |
| JP5382671B1 (en) * | 2013-03-29 | 2014-01-08 | 株式会社小松製作所 | Bulldozer |
| JP5382670B1 (en) * | 2013-03-29 | 2014-01-08 | 株式会社小松製作所 | Bulldozer |
| US9446809B2 (en) * | 2013-08-05 | 2016-09-20 | Richard Oneal Sallis | Frame covering device with air vents |
| CN103979095B (en) * | 2014-04-28 | 2016-05-11 | 周玉红 | A kind of cabin engine protective cover |
| CN104903135B (en) * | 2014-08-19 | 2017-06-23 | 株式会社小松制作所 | Working truck |
| JP6566817B2 (en) * | 2015-09-29 | 2019-08-28 | 株式会社クボタ | Work vehicle |
| CN105599697B (en) * | 2016-03-08 | 2017-08-11 | 徐工集团工程机械有限公司 | Two-piece unit formula driver's cabin sound insulation and noise reducing structure and sliding loader |
| JP6385440B2 (en) * | 2016-05-24 | 2018-09-05 | 株式会社小松製作所 | Work vehicle |
| US11156160B2 (en) | 2018-06-29 | 2021-10-26 | Cnh Industrial America Llc | Shielding assembly for debris management |
| JP2021155972A (en) * | 2020-03-26 | 2021-10-07 | 株式会社日立建機ティエラ | Construction machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3921603A (en) * | 1974-03-18 | 1975-11-25 | Caterpillar Tractor Co | Centrifugal fan cooling system |
| US4071009A (en) * | 1976-06-28 | 1978-01-31 | Caterpillar Tractor Co. | Combined noise suppressing and air flow guide enclosure for engines |
| US4086976A (en) * | 1977-02-02 | 1978-05-02 | International Harvester Company | Isolated clean air chamber and engine compartment in a tractor vehicle |
| US4696361A (en) * | 1984-03-23 | 1987-09-29 | Owatonna Manufacturing Company | Swing-up radiator and oil cooler assembly |
| JPH08268088A (en) * | 1995-03-31 | 1996-10-15 | Hitachi Constr Mach Co Ltd | Cooling structure of construction equipment |
| JPH08270444A (en) * | 1995-03-31 | 1996-10-15 | Hitachi Constr Mach Co Ltd | Cooling structure of construction equipment |
| US6167976B1 (en) * | 1998-07-30 | 2001-01-02 | Deere & Company | Engine enclosure |
| US6129056A (en) * | 1999-08-23 | 2000-10-10 | Case Corporation | Cooling system for work vehicle |
| JP4450298B2 (en) * | 2000-01-12 | 2010-04-14 | 株式会社小松製作所 | Engine cooling air passage for construction machinery |
| JP2002021565A (en) * | 2000-07-11 | 2002-01-23 | Komatsu Ltd | Engine enclosure for construction vehicle |
-
2001
- 2001-10-04 JP JP2001308499A patent/JP2003113715A/en active Pending
-
2002
- 2002-09-13 US US10/243,923 patent/US20030066209A1/en not_active Abandoned
- 2002-09-29 CN CN02144039.5A patent/CN1218116C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102666174A (en) * | 2010-08-02 | 2012-09-12 | 株式会社小松制作所 | Work vehicle |
| US8505661B2 (en) | 2010-08-02 | 2013-08-13 | Komatsu Ltd. | Work vehicle with engine compartment and exhaust gas treatment arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1412421A (en) | 2003-04-23 |
| JP2003113715A (en) | 2003-04-18 |
| US20030066209A1 (en) | 2003-04-10 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050907 Termination date: 20140929 |
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