CN202237802U - Filtering component, filtering device and vehicle employing filtering device - Google Patents

Filtering component, filtering device and vehicle employing filtering device Download PDF

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Publication number
CN202237802U
CN202237802U CN2011203811753U CN201120381175U CN202237802U CN 202237802 U CN202237802 U CN 202237802U CN 2011203811753 U CN2011203811753 U CN 2011203811753U CN 201120381175 U CN201120381175 U CN 201120381175U CN 202237802 U CN202237802 U CN 202237802U
Authority
CN
China
Prior art keywords
filter
pipe fitting
chamber
filter assemblies
filtering film
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
Application number
CN2011203811753U
Other languages
Chinese (zh)
Inventor
谢永洲
肖庆麟
李建华
吴小云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha Zoomlion Environmental Industry Co Ltd
Original Assignee
Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN2011203811753U priority Critical patent/CN202237802U/en
Application granted granted Critical
Publication of CN202237802U publication Critical patent/CN202237802U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a filtering component which comprises a filtering unit and a pipe fitting, wherein the filtering unit comprises a permeable filtering membrane component; the pipe fitting is arranged in the filtering unit; a hole positioned in the filtering unit is formed on a pipe wall; sewage is converted into purified water after being filtered by the permeable filtering membrane component, and the purified water enters into the pipe fitting through the hole. The utility model further provides a filtering device and a vehicle employing the filtering device.

Description

Filter assemblies, filter and vehicle
Technical field
The utility model relates to the filtering flow field, particularly, relates to a kind of filter assemblies, uses the filter of this filter assemblies and uses the vehicle of this filter.
Background technology
At present, for example the vehicles such as sweeper in the environmental sanitation vehicles often need carry out the operation that sewage disposal utilizes again, to improve the utilization rate of sewage.Particularly in sweeper, can be used for cleaning the road surface, realize effective utilization of water resource handling filtered water later.In the sewage disposal of present stage, various filters and method are arranged, but mostly can't reach the standard of reutilization of the sewage, and complex structure and can only being used under certain operating mode.
The utility model content
A purpose of the utility model provides a kind of filter assemblies, and this filter assemblies is simple in structure, good filtration effect.
Another purpose of the utility model provides a kind of filter, the filter assemblies that this filter uses the utility model to provide.
Another purpose of the utility model provides a kind of vehicle, the filter that this vehicle uses the utility model to provide.
To achieve these goals, the utility model provides a kind of filter assemblies, and this filter assemblies comprises filter element, pipe fitting; Wherein, Said filter element comprises permeable filtering film component, and said pipe fitting is located in the said filter element, and is formed with the Kong Lu that is positioned at said filter element on the tube wall; Sewage filters back formation through said permeable filtering film component and purifies waste water, and purifying waste water enters into pipe fitting through said Kong Lu.
Preferably; Said filter element comprises along direction is spaced a plurality ofly having the permeable filtering film component of perforation and be sealedly connected on the water proof cover between these a plurality of permeable filtering film components; This water proof cover comprises axially extending bore; These permeable filtering film component perforation form a pipeline with the axially extending bore of these water proof covers, and said pipe fitting is arranged in this pipeline.
Preferably, said filter element comprises two end plates, and said two end plates lay respectively at the two ends of said filter element, and sealing is installed on the said pipe fitting.
Preferably, said two end plates are screwed together in respectively on the said pipe fitting, and a thrust are provided for said filter element.
Preferably, the filter membrane aperture of said permeable filtering film component is 0.01 μ m~0.03 μ m.
Preferably, said permeable filtering film component is a flat sheet membrane.
Preferably, be formed with a plurality of Kong Lu on the tube wall of said pipe fitting, said a plurality of Kong Lu lay respectively in said a plurality of permeable filtering film component and/or the water proof cover.
Preferably, the sealing of an end of said pipe fitting, the other end is open.
The utility model also provides a kind of filter, it is characterized in that, said filter comprises framework and the filter assemblies that is installed in this framework, and this filter assemblies is above-mentioned any filter assemblies.
The a plurality of said filter assemblies of parallel arranged preferably, is installed in the said framework.
Preferably, homonymy one end of said pipe fitting all seals, and the other end all communicates with the pipeline that draws water.
Preferably, the below of said filter is provided with aspirating pipeline, and the tube wall of this aspirating pipeline is provided with a plurality of pores.
Preferably, the top of said filter is provided with detergent line, and this detergent line is provided with the shower nozzle that points to said filter assemblies.
The utility model further provides a kind of vehicle, and this vehicle comprises water treatment zone, is provided with above-mentioned any filter in the said water treatment zone.
Preferably, said vehicle comprises water pump and washer jet, and purifying waste water that said pipe fitting is collected flows to said washer jet through said water pump.
Preferably, said vehicle comprises air compressor, and the below of said filter is provided with aspirating pipeline, and the tube wall of this aspirating pipeline is provided with a plurality of pores, and said aspirating pipeline communicates with said air compressor.
Preferably; This vehicle comprises dustbin and is hinged on the chamber door on this dustbin; Second chamber that is separated out first chamber that is positioned at the top in this dustbin and is positioned at the below; Said first chamber is used to accommodate sewage and rubbish, and said chamber door is the closure of openings of this first, second chamber, and comprises the flow-guiding channel that first, second chamber is communicated with in the chamber door; This flow-guiding channel is provided with filter, so that the sewage that is got into second chamber by first chamber is filtered; Said filter is arranged in this second chamber.
Preferably, this vehicle comprises component suction nozzle, is used for the sewage on ground is pumped to said first chamber.
Through technique scheme, filter assemblies and filter that the utility model provides are reasonable in design, simple in structure, good filtration effect, and the vehicle practicality that the utility model is provided is stronger.
Other feature and advantage of the utility model will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification, is used to explain the utility model with the following specific embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the filter assemblies that provides of the utility model;
Fig. 2 is the schematic side view of the filter that provides of the utility model;
Fig. 3 is the front elevational schematic of the filter that provides of the utility model;
Fig. 4 is the structural representation of the vehicle that provides of the utility model.
Description of reference numerals
2 pipe fittings, 3 end plates
4 frameworks, 5 aspirating pipelines
6 water pumps, 7 washer jets
8 detergent lines, 9 filters
11 permeable filtering film component 12 water proof covers
22 pipeline 51 pores that draw water
81 shower nozzles
The specific embodiment
Be elaborated below in conjunction with the specific embodiment of accompanying drawing to the utility model.Should be understood that the specific embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
In the utility model, not do under the situation of opposite explanation, the situation that the filter assemblies that the noun of locality of use normally provides at the utility model like " upper and lower, " normally uses is undefined, and promptly Fig. 1 is to direction illustrated in fig. 3.
An aspect according to the utility model; As shown in Figure 1; A kind of filter assemblies is provided; This filter assemblies comprises filter element, pipe fitting 2 and two end plates 3, and wherein, filter element comprises along the spaced a plurality of permeable filtering film components 11 of direction and is sealedly connected on the water proof cover 12 between these a plurality of permeable filtering film components 11 respectively.Each permeable filtering film component 11 includes perforation, and each water proof cover 12 all has axially extending bore, and 12 liang of openends of each water proof cover sealing shroud respectively are connected in the perforation of two adjacent permeable filtering film components 11; So the through hole in the perforation in these a plurality of permeable filtering film components 11 and this a plurality of water proof covers 12 is cascaded and constitutes a pipeline in the filter element, pipe fitting 2 is set in this pipeline, and is formed with the Kong Lu that is positioned at this pipeline on pipe fitting 2 tube walls; In addition, this two end plate 3 is positioned at the both sides of filter element, and sealing is installed on the pipe fitting 2; Preferably; This two end plate 3 can be screwed on the pipe fitting 2, and both can exert pressure to water proof cover 12 when screwing togather in opposite directions; Make water proof cover 12 compress this a plurality of permeable filtering film components 11; An one of which aspect can make water proof cover 12 better with the sealing effectiveness between the permeable filtering film component 11, on the other hand can be under the certain situation of filter assemblies size can more than enough some permeable filtering film components 11 that are provided with, with the raising filter efficiency.
In certain embodiments; The external diameter of pipe fitting 2 is slightly less than on the permeable filtering film component 11 aperture of axially extending bore of aperture and the water proof cover 12 of perforation; Make and be formed with the gap between the internal face of internal face and water proof cover 12 of perforation on outside wall surface and the permeable filtering film component 11 of pipe fitting 2; So, through a plurality of permeable filtering film component 11, water proof cover 12, pipe fitting 2 and end plate 3, form a enclosure space with respect to sewage; Sewage can pass through permeable filtering film component 11 and get in this enclosure space; Obtain filtration, purification, purify waste water and pass through the Kong Lu on the pipe fitting 2 again, the filtered water in the enclosure space (promptly purifying waste water) is collected precalculated position (shown in the arrow among Fig. 1).Among this; The two ends of pipe fitting 2 can be through the operation of drawing water of equipment such as for example water pump, to accelerate the speed that sewage gets in these enclosure spaces from permeable filtering film component 11, therefore; The filter assemblies that the utility model provides is reasonable in design; Simple in structure, good filtration effect, and can be used in the occasion of multiple sewage disposal.
Better for the filter effect that makes the filter assemblies that the utility model provides, have practicality more, preferably, the filter membrane aperture of permeable filtering film component 11 is 0.01 μ m~0.03 μ m.The filter capacity of the filter assemblies that the utility model provides has greatly been improved in this filter membrane aperture, the purposes of purifying waste water after the filtration is increased greatly, and make the filter assemblies can be used for multiple sewage treatment area.
The filter assemblies that the utility model provides is installed for ease; The permeable filtering film component that can reach this filter membrane aperture can be preferably flat sheet membrane common on the market; It has stronger strainability; For example Granted publication number is that the flat sheet membrane that patent provided of 201505513U, its filter membrane aperture can reach 0.01 μ m~0.03 μ m, meet the requirement of the utility model.Certainly those skilled in the art can change the permeable filtering film component that adopts or replace, as long as satisfy the purpose of the utility model, the utility model does not limit this.
To get into the efficient of pipe fitting 2 in order increasing to purify waste water, preferably, to be formed with a plurality of hole road (not shown) on the tube wall of pipe fitting 2, a plurality of Kong Lu lay respectively in a plurality of permeable filtering film components 11 and/or a plurality of water proof cover 12.No matter be positioned at permeable filtering film component, still be positioned at water proof cover 12,, the safety of purifying waste water is got in the pipe fitting 2, and can not make in the sewage inlet pipe spare 2 owing to be tightly connected between permeable filtering film component 11 and the water proof cover 12.In actual use, the filter assemblies that uses the utility model to provide for ease, preferably, and the sealing of an end of pipe fitting 2, the other end is open.Wherein, water pump is connected with an open end, with purifying waste water in the suction filtration assembly more effectively.
According to the utility model on the other hand, a kind of filter is provided, said filter 9 comprises framework 4 and the filter assemblies that is installed in this framework 4, and this filter assemblies is the filter assemblies that the utility model provides.
As shown in Figure 3, preferably, a plurality of filter assemblies (four filter assemblies of parallel arranged are installed) of parallel arranged are installed in the framework 4 in the preferred embodiment middle frame 4 of the utility model.After like this this filter assemblies being put into the contraminated zone that needs to purify, sewage can get into framework 4, and then passes through a plurality of filter assemblies of parallel arranged, and is purified.
In addition, as shown in Figure 2, preferably, homonymy one end of pipe fitting 2 all seals, and the other end all communicates with the pipeline 22 that draws water.And the pipeline 22 that draws water can communicate with water pump 6 pumping equipments such as grade, extracts and deliver to the precalculated position out will get into purifying waste water of pipe fitting 2.Certainly, those skilled in the art can change the connected mode of draw water pipeline 22 and pipe fitting 2 and replace, but this change or replacement also should drop in the protection domain of the utility model.
In addition, in order to increase the effect of sewage disposal, the filter assemblies that the utility model provides also is provided with the gas explosion device; Gas explosion is the conventional means in the sewage disposal; It reduces water pollutant particle adhesive force on face through making sewage ceaselessly quick-fried moving to carrying gas in the sewage, can playing.As shown in Figure 2, preferably, the below of filter 9 is provided with aspirating pipeline 5, and the tube wall of this aspirating pipeline 5 is provided with a plurality of pores 51, aspirating pipeline 5 is linked to each other with air compressor 61 equipment such as gas such as pump such as grade, fully sewage is carried out gas explosion.Because this method is conventionally known to one of skill in the art, does not do too much statement at this.
In addition, the filter assemblies in the cleaning and filtrating equipment for ease, as shown in Figures 2 and 3, preferably, the top of filter 9 is provided with detergent line 8, and this detergent line 8 is provided with the shower nozzle 81 that points to filter assemblies.Wherein, detergent line can be arranged in the top of filter 9 crisscrossly, to pass through that the filter assemblies in the cleaning and filtrating equipment 9 is supplied water in detergent line 8.This function is particularly useful for and need filter 9 be placed on certain place for a long time, and cleans the zone of inconvenience, in the sweeper described as follows.
One side again according to the utility model provides a kind of vehicle, and this vehicle comprises water treatment zone, is provided with the filter 9 that the utility model provides in this water treatment zone.
As a kind of preferred embodiment, as shown in Figure 4, preferably; The vehicle that the utility model provides is a sweeper; This sweeper comprises water pump 6 and washer jet 7, and an end of pipe fitting 2 communicates with washer jet 7 through water pump 6, filters through filter assemblies with the sewage that sweeper is collected; And use the road pavement of purifying waste water after filtering effectively to clean, improve the practicality of this sweeper.
In addition, sweeper also comprises air compressor, and the below of filter 9 is provided with aspirating pipeline 5; The tube wall of this aspirating pipeline 5 is provided with a plurality of pores 51; So that water treatment zone is carried out gas explosion, wherein, aspirating pipeline 5 communicates with air compressor (not shown among Fig. 4).Wherein more preferably be, this air compressor is that sweeper itself carries (air compressor that for example engine carried), thus the practicality of the vehicle of the for example sweeper that raising the utility model provides.
As shown in Figure 4 again, sweeper also comprises chassis 13, be installed in dustbin 14 on the chassis 13, be hinged on chamber door 15, cleaning assembly 17 and component suction nozzle on the dustbin 14.Dustbin 14 is rectangular casing shape substantially, and its rear side is provided with opening 140, is used for rubbish is discharged from dustbin, and chamber door 15 is used to seal this opening.
Has a dividing plate 145 in the dustbin 14; This dividing plate 145 by headstock to the downward-sloping gradually setting of tailstock direction; And extend to said opening 140 always, dustbin 14 inside are separated out first chamber 141 that is positioned at the top and are positioned at second chamber 143 of below, correspondingly; The opening 140 of dustbin 14 is separated into two parts; Respectively as the opening of first chamber 141 and second chamber 143, the internal face of chamber door 15 is correspondingly established the black box with the edge mate of the opening of this first chamber 141 and second chamber 143, with the edge of opening at this first chamber 141 and second chamber 143 both is sealed.
Component suction nozzle comprises suction nozzle 171 and the water inlet blast pipe 173 that links to each other with suction nozzle 171; The port of export of water inlet blast pipe 173 extend in first chamber 141 of dustbin 14, is used for the sewage of the cleaning rubbish swept of assembly 17 and the generation of washer jet 7 flushing ground is drawn into first chamber 141.Has flow-guiding channel 151 (shown in arrow among Fig. 1) in the chamber door 15; This flow-guiding channel 151 is communicated with first chamber 141 with second chamber 143; Sewage in first chamber 141 can be flow in second chamber 143 via this flow-guiding channel 151; Thereby realize that the rubbish in the dustbin 14 separates with sewage, so that the recycling of sewage.In addition, also be provided with a filter 16 (can screen pack) at water intake end, to filter out the impurity such as silt in the sewage to circulation road 151.In certain embodiments, filter 9 is arranged in this second chamber 143, and this second chamber 143 is as water treatment zone.
The vehicle that the utility model provides is except sweeper, and for other multiple vehicles that can carry out sewage disposal, the utility model is suitable equally.Therefore, the utlity model has stronger practicality and promotional value.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove in addition; Each concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.

Claims (18)

1. a filter assemblies is characterized in that, this filter assemblies comprises filter element, pipe fitting (2); Wherein, Said filter element comprises permeable filtering film component (11), and said pipe fitting (2) is located in the said filter element, and is formed with the Kong Lu that is positioned at said filter element on the tube wall; Sewage filters back formation through said permeable filtering film component (11) and purifies waste water, and this is purified waste water and enters into said pipe fitting (2) through said Kong Lu.
2. filter assemblies according to claim 1; It is characterized in that; Said filter element comprises along direction is spaced a plurality ofly having the permeable filtering film component (11) of perforation and be sealedly connected on the water proof cover (12) between these a plurality of permeable filtering film components (11); This water proof cover (12) comprises axially extending bore, and the axially extending bore of the perforation of said permeable filtering film component (11) and said water proof cover (12) forms pipeline, and said pipe fitting is arranged in the said pipeline.
3. filter assemblies according to claim 1 and 2 is characterized in that, said filter element comprises two end plates (3), and said two end plates (3) lay respectively at the two ends of said filter element, and sealing is installed on the said pipe fitting (2).
4. filter assemblies according to claim 3 is characterized in that, said two end plates (3) are screwed together in respectively on the said pipe fitting (2), and for said filter element thrust is provided.
5. filter assemblies according to claim 1 is characterized in that, the filter membrane aperture of said permeable filtering film component (11) is 0.01 μ m~0.03 μ m.
6. filter assemblies according to claim 1 is characterized in that, said permeable filtering film component (11) is a flat sheet membrane.
7. filter assemblies according to claim 2 is characterized in that, is formed with a plurality of Kong Lu on the tube wall of said pipe fitting (2), and said a plurality of Kong Lu lay respectively in said a plurality of permeable filtering film components (11) and/or the said water proof cover (12).
8. filter assemblies according to claim 1 is characterized in that, the end sealing of said pipe fitting (2), and the other end is open.
9. a filter is characterized in that, said filter (9) comprises framework (4) and be installed in the filter assemblies in this framework (4) that this filter assemblies is according to any described filter assemblies among the claim 1-8.
10. filter according to claim 9 is characterized in that, a plurality of said filter assemblies of parallel arranged is installed in the said framework (4).
11. filter according to claim 10 is characterized in that, homonymy one end of said pipe fitting (2) all seals, and the other end all communicates with the pipeline that draws water (22).
12. filter according to claim 9 is characterized in that, the below of said filter (9) is provided with aspirating pipeline (5), and the tube wall of this aspirating pipeline (5) is provided with a plurality of pores (51).
13. filter according to claim 9 is characterized in that, the top of said filter (9) is provided with detergent line (8), and this detergent line (8) is provided with the shower nozzle (81) that points to said filter assemblies.
14. a vehicle, this vehicle comprises water treatment zone, it is characterized in that, is provided with in the said water treatment zone according to any described filter (9) in the claim 9~13.
15., it is characterized in that said vehicle comprises water pump (6) and washer jet (7) according to the said vehicle of claim 14, purifying waste water that said pipe fitting (2) is collected flows to said washer jet (7) through said water pump (6).
16. vehicle according to claim 14; It is characterized in that said vehicle comprises air compressor, the below of said filter (9) is provided with aspirating pipeline (5); The tube wall of this aspirating pipeline (5) is provided with a plurality of pores (51), and said aspirating pipeline (5) communicates with said air compressor.
17. vehicle according to claim 15; It is characterized in that; This vehicle comprises dustbin (14) and is hinged on the chamber door (15) on this dustbin (14); Second chamber (143) that is separated out first chamber (141) that is positioned at the top in this dustbin (14) and is positioned at the below; Said first chamber (141) is used to accommodate sewage and rubbish, and said chamber door (15) is the closure of openings of said first, second chamber, and comprises the flow-guiding channel (151) that said first, second chamber is communicated with in the said chamber door (15); This flow-guiding channel (151) is provided with filter, so that the sewage that is got into said second chamber (143) by said first chamber (141) is filtered; Said filter (9) is arranged in said second chamber (143).
18. vehicle according to claim 17 is characterized in that, this vehicle comprises component suction nozzle, is used for the sewage on ground is pumped to said first chamber (141).
CN2011203811753U 2011-09-30 2011-09-30 Filtering component, filtering device and vehicle employing filtering device Expired - Fee Related CN202237802U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203811753U CN202237802U (en) 2011-09-30 2011-09-30 Filtering component, filtering device and vehicle employing filtering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203811753U CN202237802U (en) 2011-09-30 2011-09-30 Filtering component, filtering device and vehicle employing filtering device

Publications (1)

Publication Number Publication Date
CN202237802U true CN202237802U (en) 2012-05-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203811753U Expired - Fee Related CN202237802U (en) 2011-09-30 2011-09-30 Filtering component, filtering device and vehicle employing filtering device

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102311159A (en) * 2011-09-30 2012-01-11 长沙中联重工科技发展股份有限公司 Filter component, filter apparatus and vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102311159A (en) * 2011-09-30 2012-01-11 长沙中联重工科技发展股份有限公司 Filter component, filter apparatus and vehicle
WO2013044807A1 (en) * 2011-09-30 2013-04-04 中联重科股份有限公司 Filtering assembly, filtering device, and vehicle

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: CHANGSHA ZOOMLION ENVIRONMENTAL + SANITATION MACHI

Free format text: FORMER OWNER: ZOOMLION HEAVY INDUSTRY SCIENCE + TECHNOLOGY DEVELOPMENT CO., LTD.

Effective date: 20120525

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20120525

Address after: 410013 Changsha province high tech Development Zone, No. 307 South Road, silver basin

Patentee after: Environmental & Sanitation Machinery Branch of Changsha Zoomlion Heavy Industry Science & Technology

Address before: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No.

Patentee before: Zoomlion Heavy Industry Science & Technology Development Co., Ltd.

CP03 Change of name, title or address
CP03 Change of name, title or address

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 Changsha province high tech Development Zone, No. 307 South Road, silver basin

Patentee before: Environmental & Sanitation Machinery Branch of Changsha Zoomlion Heavy Industry Science & Technology

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: 20120530

Termination date: 20180930