CN103015357B - Snow blowing truck and blowing nozzle thereof - Google Patents
Snow blowing truck and blowing nozzle thereof Download PDFInfo
- Publication number
- CN103015357B CN103015357B CN201210535865.9A CN201210535865A CN103015357B CN 103015357 B CN103015357 B CN 103015357B CN 201210535865 A CN201210535865 A CN 201210535865A CN 103015357 B CN103015357 B CN 103015357B
- Authority
- CN
- China
- Prior art keywords
- flow
- runner
- air
- blow gun
- inflatable mouth
- 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.)
- Active
Links
Landscapes
- Body Structure For Vehicles (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a snow blowing truck and a blowing nozzle thereof, wherein the blowing nozzle comprises a shell (10) and at least one clapboard (20); two ends of the shell are opened, the at least one clapboard is arranged in the shell to divide the internal space of the shell into at least two parallel flow channels, and each flow channel is respectively provided with an air inlet and an air outlet at the two ends of the shell; the flow channel corresponding to the air outlet at the bottom of the shell is a fast flow channel (30), and the blowing nozzle is designed to ensure that the time for the airflow to flow from the air inlet (31) to the air outlet (32) of the fast flow channel is shorter than that for the airflow to flow from the air inlets to the air outlets of other flow channels. The time for the airflow to flow from the air inlet to the air outlet of the fast flow channel is the shortest, so the airflow is blown from the fast flow channel to loosen the accumulated snow in a snow blowing process. After the accumulated snow is loosen, the snow is pushed away by the airflow blown from the air outlets of the other flow channels of the blowing nozzle. Therefore, in the use process, the power of the blowing nozzle does not need to be increased, thereby realizing high efficiency and energy saving.
Description
Technical field
The present invention relates to snow blowing truck, particularly, relate to a kind of blow gun of snow blowing truck and comprise the snow blowing truck of this blow gun.
Background technology
Snow blowing truck by blow gun to accumulated snow blow flow, to push away away accumulated snow.During use, not easily blow due to the snow cover compacting bottom accumulated snow.For blowing the accumulated snow of bottom, needing the intensity strengthening the air-flow blowed by blow gun, increasing power and energy consumption.
Summary of the invention
The object of this invention is to provide a kind of efficient, energy-conservation blow gun.
To achieve these goals, the invention provides a kind of blow gun of snow blowing truck, wherein, this blow gun comprises housing and at least one dividing plate, the both ends open of described housing, at least one dividing plate described to be arranged in described housing and to be at least two runners side by side by the interior separation of described housing, each described runner has air inlet port and inflatable mouth respectively at the two ends of described housing, the runner corresponding to inflatable mouth being positioned at described housing bottom is quick runner, described blow gun is formed as making the time of air-flow from the air inlets flow of described quick runner to inflatable mouth shorter than the time of air-flow from the air inlets flow of runner described in other to inflatable mouth.
The present invention also provides a kind of snow blowing truck, and wherein, this snow blowing truck comprises blow gun of the present invention.
By technique scheme, the shortest time of air-flow from the air inlets flow of quick runner to inflatable mouth, thus during blowing snow, first from quick runner blowout air-flow, with loosening accumulated snow.After accumulated snow loosens, then the air-flow blown out by the inflatable mouth of other runners of blow gun pushes away away.Therefore, during use, without the need to strengthening the power of blow gun, thus realize efficient, energy-conservation.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for manual, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the stereogram of a kind of embodiment that blow gun of the present invention is described;
Fig. 2 is the sectional view of the blow gun of Fig. 1;
Fig. 3 is the sectional view of blow gun at air inlet port place of Fig. 2;
Fig. 4 is the end view drawing of the inflatable mouth of the blow gun of key diagram 1.
Description of reference numerals
10: housing 11: roof 12: diapire
20: dividing plate 21: the first dividing plate 22: second partition
30: runner 31 fast: the air inlet port 32 of runner fast: the inflatable mouth of runner fast
40: first flow 41: the air inlet port 42 of first flow: the inflatable mouth of first flow
The inflatable mouth of air inlet port 52: the second runner of 50: the second runner 51: the second runners
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality such as " upper and lower, left and right " of use typically refers to reference to upper and lower, left and right shown in the drawings; " inside and outside " refers to profile inside and outside relative to each parts itself.
According to an aspect of the present invention, a kind of blow gun of snow blowing truck is provided, wherein, this blow gun comprises housing 10 and at least one dividing plate 20, the both ends open of described housing 10, at least one dividing plate 20 described to be arranged in described housing 10 and to be at least two runners side by side by the interior separation of described housing 10, each described runner has air inlet port and inflatable mouth respectively at the two ends of described housing 10, the runner corresponding to inflatable mouth be positioned at bottom described housing 10 is quick runner 30, the time that described blow gun is formed as making air-flow flow to inflatable mouth 32 from the air inlet port 31 of described quick runner 30 is shorter than the time of air-flow from the air inlets flow of runner described in other to inflatable mouth.
According to a further aspect in the invention, provide a kind of snow blowing truck, wherein, this snow blowing truck comprises blow gun of the present invention.
Use blow gun of the present invention, air-flow flow to the shortest time of inflatable mouth 32 from the air inlet port 31 of quick runner 30.Therefore, during blowing snow, first bottom accumulated snow loosened by the air-flow that quick runner 30 blows out.After accumulated snow loosens, then the air-flow blown out by the inflatable mouth of other runners of blow gun pushes away away.Therefore, during use, without the need to strengthening the power of blow gun, thus realize efficient, energy-conservation.
Wherein, the air inlet port of each described runner can be positioned at same plane, enters each runner to make the air-flow being provided to blow gun simultaneously.In addition, selectively, along the bearing of trend of described housing 10, the inflatable mouth 32 of described quick runner 30 can be positioned at described housing 10 foremost, to make the inflatable mouth 32 of quick runner 30 near accumulated snow, is conducive to loosening accumulated snow.
In addition, the blowing direction of the inflatable mouth 32 of described quick runner 30 horizontal by the angle of 16-25 degree, thus can carry out loosening accumulated snow with suitable angle blow flow, can obtain optimum blowing snow efficiency.
In the present invention, air-flow can be made to pass through the shortest time of quick runner 30 by various mode, such as, the length of quick runner 30 can be made to be formed as the shortest.In a preferred embodiment of the invention, described quick runner 30 can be formed as the structure that the speed of air-flow and intensity are increased, and/or make other runners be formed as making the structure of the speed reduction of air-flow.
For making described quick runner 30 be formed as making the speed of air-flow and the structure of intensity increase, independent flow accelerator and water booster system can be set in quick runner 30.But preferably, the cross section of described quick runner 30 can be made to reduce gradually, to make to be accelerated due to the contraction of quick runner 30 by the air-flow of quick runner 30, pressurized flow.Thus, not only can make air-flow with the shortest time by quick runner 30, and higher flow velocity and intensity can be had at the inflatable mouth 32 of quick runner 30, be conducive to the accumulated snow loosening bottom.
For the structure making other runners be formed as making the speed reduction of air-flow, such as, independent deceleration device can be set in other runners.Preferably, the cross section of other runners can be made to increase gradually, slow down to make air-flow diffusion.
In the present invention, according to actual conditions, the dividing plate 20 of varying number can be set, with the runner being divided internally into varying number by housing 10.A kind of detailed description of the invention of the present invention is described with reference to the accompanying drawings.
As depicted in figs. 1 and 2, in the present embodiment, described dividing plate 20 comprises the first dividing plate 21 and second partition 22 that are arranged side by side, first flow 40 is formed between described first dividing plate 21 and the roof 11 of described housing 10, form the second runner 50 between described first dividing plate 21 and second partition 22, between described second partition 22 and the diapire 12 of described housing 10, form described quick runner 30.
Preferably, the time that the time that air-flow can be made from the air inlet port 41 of described first flow 40 to flow to the inflatable mouth 42 of described first flow 40 flow to described second runner 50 inflatable mouth 52 than air-flow from the air inlet port 51 of described second runner 50 is long.Thus, along the short transverse (being followed successively by the inflatable mouth 52 of inflatable mouth 42, second runner 50 of first flow 40 and the inflatable mouth 32 of quick runner 30 from top to bottom) of housing 10, from top to bottom, air-flow was reduced successively by the time of each runner.In other words, the air-flow simultaneously flowed into from the air inlet port of each runner, blows out from the inflatable mouth 52 of inflatable mouth 32, second runner 50 of quick runner 30 and the inflatable mouth 42 of first flow 40 successively.
Wherein, the time that the time that air-flow can be made from the air inlet port 41 of described first flow 40 to flow to the inflatable mouth 42 of described first flow 40 by various mode flow to described second runner 50 inflatable mouth 52 than air-flow from the air inlet port 51 of described second runner 50 is long.Selectively, the time that air-flow also can be made from the air inlet port 41 of described first flow 40 to flow to the inflatable mouth 42 of described first flow 40 and air-flow flow to the time the same length of described second runner 50 inflatable mouth 52 from the air inlet port 51 of described second runner 50, namely make the inflatable mouth 42 of first flow 40 and inflatable mouth 52 blow flow simultaneously of the second runner 50.
In the preferred embodiment of the present invention, first flow 40 can be made to be formed as making the structure of the speed reduction of air-flow, and make quick runner 30 be formed as making the speed of air-flow and the structure of intensity increase.
Particularly, as shown in Figure 2, the roof 11 of described housing 10, described first dividing plate 21, the diapire 12 of described second partition 22 and described housing 10 is formed as bent plate, the circular arc of the upper edge of the cross section of the roof 11 of described housing 10 to be radius be R1, the upper edge of the cross section of described first dividing plate 21 is comprise two sections to connect gently and radius is respectively the curve of the circular arc of R2 and R3, the upper edge of the cross section of described second partition 22 is comprise two sections to connect gently and radius is respectively the circular arc of R4 and R5 and a segment length is L1 and is the shape of the tangent straight line of the circular arc of R5 with radius, the upper edge of the cross section of the diapire 12 of described housing 10 is comprise circular arc that radius is R6 and a segment length to be L2 and to be the shape of the tangent straight line of the circular arc of R6 with radius, wherein: R2 > R1, R4 > R2, R5 > R3, the upper edge of the upper edge of the cross section of the roof 11 of described housing 10, the cross section of described first dividing plate 21 take R2 as the part of the circular arc of radius, the upper edge of the cross section of described second partition 22 with R4 be the upper edge of the cross section of the part of the circular arc of radius and the diapire 12 of described housing 10 be that the partial concentric of the circular arc of radius is arranged with R6.Wherein, upper edge refers to towards the edge at the top of housing 10.
Thus, first flow 40 is formed as the structure that cross section increases gradually, makes the size of the inflatable mouth 42 of first flow 40 be greater than the size of its air inlet port 41; Meanwhile, quick runner 30 is formed as the structure that cross section reduces gradually, makes the size of the inflatable mouth 32 of quick runner 30 be less than the size of its air inlet port 31.
In addition, the air inlet port of described first flow 40, second runner 50 and fast runner 30 can be positioned at same plane and measure-alike, thus air-flow can be divided into three strands from identical position enter each runner, as shown by the arrows in Figure 1.Wherein, as shown in Figure 3, the cross section of the air inlet port 41 of first flow 40 is the rectangle of a × d, and the cross section of the air inlet port 51 of the second runner 50 is the rectangle of b × d, the cross section of the air inlet port 31 of quick runner 30 is the rectangle of c × d, and a=b=c=R2-R1=R4-R2=R6-R4.
By arranging each parameter, the second runner 50 can be made to be formed as various structure, such as, can be formed as the structure that cross section increases gradually, also can be formed as the structure of cross section first increases and then decreases.Preferably, described first flow 40, second runner 50 is identical with the width of the quick inflatable mouth of runner 30 and be highly respectively h1, h2 and h3, wherein, 0.8≤R2/R3≤1.2,1≤R5/R3≤2,0.85≤R5/R4≤1.8,0.75≤R6/R5≤1.05,0.27≤h1/R2≤0.4,0.1≤L1/R4≤0.3,0.1≤h2/R4≤0.3,3.8≤R6/L2≤5.2,0.11≤h3/R6≤0.25, h3 < h2 < h1, the central angle alpha with R1 corresponding to the arc of radius is 55-70 degree.Wherein, as shown in Figure 4, the cross section of the inflatable mouth 42 of first flow 40 is the rectangle of h1 × d, the cross section of the inflatable mouth 52 of the second runner 50 be each dividing plate of h2 × d(, the roof 11 of housing 10, diapire 12 width d constant all the time) rectangle, the cross section of the inflatable mouth 32 of quick runner 30 is the rectangle of h3 × d, due to h3 < h2 < h1, the cross section of the inflatable mouth 32 of quick runner 30 is minimum, and the air velocity of blowout is the fastest and intensity is maximum.
In addition, the approximate size of blow gun of the present invention can be determined by the value of given above-mentioned a part of parameter.Such as, can make: 50cm≤R1≤75cm, 77cm≤R2≤95cm, described first dividing plate 21, second partition 22, the roof 11 of housing 10 and the thickness of diapire 12 are respectively 2-4mm.
In addition, as mentioned above, quick runner 30 can be made along being the angle blow flow of 16-25 degree with ground.For this reason, as shown in Figure 2, it is 16-25 degree that length can be made to be the straight line portion of L2 and the angle β on ground.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (12)
1. the blow gun of a snow blowing truck, it is characterized in that, this blow gun comprises housing (10) and at least one dividing plate (20), the both ends open of described housing (10), described at least one dividing plate (20) to be arranged in described housing (10) and to be at least two runners side by side by the interior separation of described housing (10), each described runner has air inlet port and inflatable mouth respectively at the two ends of described housing (10), the runner corresponding to inflatable mouth being positioned at described housing (10) bottom is quick runner (30), the time that described blow gun is formed as making air-flow flow to inflatable mouth (32) from the air inlet port (31) of described quick runner (30) is shorter than the time of air-flow from the air inlets flow of runner described in other to inflatable mouth.
2. the blow gun of snow blowing truck according to claim 1, wherein, the air inlet port of each described runner is positioned at same plane; And/or along the bearing of trend of described housing (10), the inflatable mouth (32) of described quick runner (30) is positioned at described housing (10) foremost.
3. the blow gun of snow blowing truck according to claim 1, wherein, the blowing direction of the inflatable mouth (32) of described quick runner (30) is horizontal by the angle of 16-25 degree.
4. according to the blow gun of the snow blowing truck in claim 1-3 described in any one, wherein, described quick runner (30) is formed as the structure that the speed of air-flow and intensity are increased, and/or, except described quick runner (30), the structure that runner described in other is formed as making the speed of air-flow to reduce.
5. the blow gun of snow blowing truck according to claim 4, wherein, the cross section of described quick runner (30) reduces gradually, and/or described in other, cross section of runner increases gradually.
6. the blow gun of snow blowing truck according to claim 5, wherein, described dividing plate (20) comprises the first dividing plate (21) and second partition (22) that are arranged side by side, first flow (40) is formed between the roof (11) of described first dividing plate (21) and described housing (10), form the second runner (50) between described first dividing plate (21) and second partition (22), between the diapire (12) of described second partition (22) and described housing (10), form described quick runner (30).
7. the blow gun of snow blowing truck according to claim 6, wherein, the time that air-flow flow to the inflatable mouth (42) of described first flow (40) time from the air inlet port (41) of described first flow (40) flow to described second runner (50) inflatable mouth (52) than air-flow from the air inlet port (51) of described second runner (50) is long, or, air-flow flow to the inflatable mouth (42) of described first flow (40) time from the air inlet port (41) of described first flow (40) and air-flow flow to the time the same length of described second runner (50) inflatable mouth (52) from the air inlet port (51) of described second runner (50).
8. the blow gun of snow blowing truck according to claim 6, wherein, the roof (11) of described housing (10), described first dividing plate (21), the diapire (12) of described second partition (22) and described housing (10) is formed as bent plate, the circular arc of the upper edge of the cross section of the roof (11) of described housing (10) to be radius be R1, the upper edge of the cross section of described first dividing plate (21) is comprise two sections to connect gently and radius is respectively the curve of the circular arc of R2 and R3, the upper edge of the cross section of described second partition (22) is comprise two sections to connect gently and radius is respectively the circular arc of R4 and R5 and a segment length is L1 and is the shape of the tangent straight line of the circular arc of R5 with radius, the upper edge of the cross section of the diapire (12) of described housing (10) is comprise circular arc that radius is R6 and a segment length to be L2 and to be the shape of the tangent straight line of the circular arc of R6 with radius,
Wherein: R2 > R1, R4 > R2, R5 > R3, the upper edge of the upper edge of the cross section of the roof (11) of described housing (10), the cross section of described first dividing plate (21) take R2 as the part of the circular arc of radius, the upper edge of the cross section of described second partition (22) with R4 be the upper edge of the cross section of the part of the circular arc of radius and the diapire (12) of described housing (10) be that the partial concentric of the circular arc of radius is arranged with R6.
9. the blow gun of snow blowing truck according to claim 8, wherein, the air inlet port of described first flow (40), the second runner (50) and quick runner (30) is positioned at same plane and measure-alike.
10. the blow gun of snow blowing truck according to claim 9, wherein, described first flow (40), second runner (50) is identical with the width of the inflatable mouth of quick runner (30) and be highly respectively h1, h2 and h3, wherein, 0.8≤R2/R3≤1.2, 1≤R5/R3≤2, 0.85≤R5/R4≤1.8, 0.75≤R6/R5≤1.05, 0.27≤h1/R2≤0.4, 0.1≤L1/R4≤0.3, 0.1≤h2/R4≤0.3, 3.8≤R6/L2≤5.2, 0.11≤h3/R6≤0.25, h3 < h2 < h1, central angle (α) with R1 corresponding to the arc of radius is 55-70 degree.
The blow gun of 11. snow blowing trucks according to claim 10, wherein, 50cm≤R1≤75cm, 77cm≤R2≤95cm, the roof (11) of described first dividing plate (21), second partition (22), housing (10) and the thickness of diapire (12) are respectively 2-4mm.
12. 1 kinds of snow blowing trucks, is characterized in that, this snow blowing truck comprises according to the blow gun in claim 1-11 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210535865.9A CN103015357B (en) | 2012-12-12 | 2012-12-12 | Snow blowing truck and blowing nozzle thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210535865.9A CN103015357B (en) | 2012-12-12 | 2012-12-12 | Snow blowing truck and blowing nozzle thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103015357A CN103015357A (en) | 2013-04-03 |
| CN103015357B true CN103015357B (en) | 2015-04-01 |
Family
ID=47964421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210535865.9A Active CN103015357B (en) | 2012-12-12 | 2012-12-12 | Snow blowing truck and blowing nozzle thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103015357B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563047B (en) * | 2015-01-07 | 2016-03-09 | 中联重科股份有限公司 | A kind of blowing snow blow gun and snow blowing truck |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2585186A (en) * | 1945-09-11 | 1952-02-12 | Westinghouse Electric Corp | Suction nozzle having a variable opening |
| GB742742A (en) * | 1952-06-13 | 1956-01-04 | Huettenwerk Oberhausen Ag | A method and a blowing nozzle for refining metals |
| JPS5322794B2 (en) * | 1972-12-18 | 1978-07-11 | ||
| AT342110B (en) * | 1975-09-23 | 1978-03-10 | Peitl Gmbh J | SNOW PLOW |
| DD200630A1 (en) * | 1981-08-10 | 1983-05-25 | Lothar Brunner | ALL-SIDE SWIVELING BLOWER UNIT FOR PNEUMATIC CLEANING DEVICES, ESPECIALLY FOR FAN BLADES |
| FR2757550B1 (en) * | 1996-12-23 | 1999-01-15 | Giat Ind Sa | DEVICE FOR CLEARING A LAND AREA BY BLOWING AND APPLICATION TO CARRYING OUT DEMINING OPERATIONS |
| JPH10291022A (en) * | 1997-04-18 | 1998-11-04 | Nippon Steel Corp | Method and device for removing liquid attached to surface of steel strip |
| JPH1193810A (en) * | 1997-09-26 | 1999-04-06 | Kubota Corp | Fuel injection type engine |
| BE1015261A3 (en) * | 2002-12-19 | 2004-12-07 | Picanol Nv | SPRAY NOZZLE SUPPORTING a weft thread in a weaving machine. |
| CN100529269C (en) * | 2006-12-19 | 2009-08-19 | 吉林航空维修有限责任公司 | Blowing brushing type road snow removing vehicle |
| CN201857597U (en) * | 2010-09-30 | 2011-06-08 | 贵州五七0七航空发动机修理厂 | Cold-blowing snow removal truck |
-
2012
- 2012-12-12 CN CN201210535865.9A patent/CN103015357B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103015357A (en) | 2013-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20110139927A1 (en) | Panel for an air intake of an aircraft nacelle that ensures optimized acoustic treatment and frost treatment | |
| CN103015357B (en) | Snow blowing truck and blowing nozzle thereof | |
| CN107061013B (en) | A kind of hot air anti-icing method for engine intake rotary rectifier calotte | |
| KR20200003792A (en) | Optimized tunnel ventilation | |
| CN203605102U (en) | UV lamp structure | |
| CN101994570A (en) | Embedded air inlet based on vortex excretion and aircraft using embedded air inlet | |
| CN104329325A (en) | Flow stabilizing device for air intake of fan | |
| CN204267434U (en) | A kind of constant-current stabilizer for blower fan air inlet | |
| CN103206846A (en) | Air knife | |
| CN104278653B (en) | A kind of snow blowing truck blow gun | |
| CN204080722U (en) | A kind of snow blowing truck blow gun | |
| CN207598575U (en) | A kind of centrifugal blower with blade wheel structure | |
| CN202579323U (en) | Mass-flow compression ring pump cover | |
| CN208715311U (en) | A kind of automotive front end deflector | |
| CN202208321U (en) | Vehicular air deflector | |
| CN202247761U (en) | Blowing-suction machine with protection rib | |
| CN204322998U (en) | Skylight of bus inner cap and skylight | |
| CN202410401U (en) | Blade baffling gas-water separator | |
| CN101865074B (en) | Culvert device of horizontal axis wind-driven generator | |
| CN201954983U (en) | Die casting aluminum combined-type radiator | |
| CN204677316U (en) | A kind of asymmetric slit jet pipe diffuser | |
| JP2000120399A (en) | Ventilating system of huge tunnel | |
| CN201584887U (en) | Power supplier with fan | |
| CN204767852U (en) | Spiral dehydration defogging device | |
| CN109209593B (en) | Exhaust pipe capable of reducing temperature of automobile exhaust tail gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170613 Address after: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Patentee after: Changsha ZOOMLION Environmental Industry Co., Ltd. Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Patentee before: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |