CN106930810A - A kind of environment protection exhausting pipe for reducing noise - Google Patents
A kind of environment protection exhausting pipe for reducing noise Download PDFInfo
- Publication number
- CN106930810A CN106930810A CN201710321527.8A CN201710321527A CN106930810A CN 106930810 A CN106930810 A CN 106930810A CN 201710321527 A CN201710321527 A CN 201710321527A CN 106930810 A CN106930810 A CN 106930810A
- Authority
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- China
- Prior art keywords
- fixedly connected
- environment protection
- exhausting pipe
- noise
- pipeline
- 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.)
- Granted
Links
- 230000003139 buffering effect Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pipe Accessories (AREA)
Abstract
The present invention relates to technical field of environment protection equipment, and disclose a kind of environment protection exhausting pipe for reducing noise, including body, the lower surface of body is fixedly connected with contiguous block, the lower surface of upper contiguous block is fixedly connected with damper, damper is fixedly connected with lower connecting block away from one end of upper contiguous block, the lower surface of lower connecting block is fixedly connected with connecting plate, the lower surface of connecting plate is fixedly connected with pipeline, the inside of pipeline is fixedly connected with unhurried current plate, the surface of unhurried current plate opens up fluted, the quantity of unhurried current plate is five, the both sides that five plates that flow slowly equidistantly symmetrically are fixedly connected on inside pipeline successively.This can reduce the environment protection exhausting pipe of noise, by setting unhurried current plate, unhurried current plate enters row buffering to the gas flow rate through piping, serves the effect for entering row buffering noise reduction to gas flow rate, so as to ensure that this can reduce the effect of the good reduction noise of the environment protection exhausting pipe of noise.
Description
Technical field
The present invention relates to technical field of environment protection equipment, specially a kind of environment protection exhausting pipe for reducing noise.
Background technology
Blast pipe is a part for engine exhaust system, and gas extraction system mainly includes exhaust manifold, blast pipe and noise reduction
Device, generally controls three school catalyst converters of engine pollutant emission to be also mounted in gas extraction system, before blast pipe is generally comprised
Blast pipe and heel row tracheae.Existing automobile exhaust pipe mechanical loss during long-term use is larger, causes usage cycles
Not long, service life cannot be guaranteed, larger using noise, therefore, we have proposed a kind of environmental protection exhaust for reducing noise
Pipe solves the above problems.
The content of the invention
(1) technical problem for solving
In view of the shortcomings of the prior art, the invention provides a kind of environment protection exhausting pipe for reducing noise, possessing to reduce
The advantage of noise and long service life, solves the problems, such as that existing equipment using effect is not good.
(2) technical scheme
To realize the above-mentioned purpose for reducing noise and long service life, the present invention provides following technical scheme：It is a kind of
The environment protection exhausting pipe of noise, including body can be reduced, the lower surface of the body is fixedly connected with contiguous block, the upper connection
The lower surface of block is fixedly connected with damper, and the damper is fixedly connected with lower connecting block away from one end of upper contiguous block, institute
The lower surface for stating lower connecting block is fixedly connected with connecting plate, and the lower surface of the connecting plate is fixedly connected with pipeline, the pipeline
Inside be fixedly connected with unhurried current plate, the surface of the unhurried current plate opens up fluted, it is described unhurried current plate quantity be five, five
Unhurried current plate is equidistantly symmetrically fixedly connected on the both sides inside pipeline, both sides of the unhurried current plate near inner-walls of duct one end successively
Reinforcing bar is fixedly connected with, the reinforcing bar is fixedly connected on the inwall of pipeline away from one end of unhurried current plate, the pipeline
The outside of one end is socketed with fixed cover, and the fixed cover is internally provided with vacuum layer, is fixedly connected on the inside of the fixed cover
Have a cushion, the cushion is fixedly connected with adapter sleeve away from the side of fixed cover, the adapter sleeve away from cushion one
Side is fixedly connected with abatvoix, and the two ends of the abatvoix are fixedly connected with the inwall of adapter sleeve, the number of the abatvoix
It is four to measure, and four abatvoixs are equidistantly fixedly connected in adapter sleeve, and fixture block, institute are fixedly connected with the outside of the fixed cover
It is four to state the quantity of fixture block, and four fixture blocks are respectively fixedly connected with the surrounding outside fixed cover, the inside clamping of the fixture block
There is buckle, the fixed cover is fixedly connected with fixed plate away from the side of pipeline, and the both sides of the fixed plate offer installation
Groove, the mounting groove internal thread is connected with screw rod, and the screw rod is provided with pad with the junction on the outside of fixed plate.
Preferably, the quantity of the damper is two, and two dampers are symmetrically fixedly connected on the upper surface of connecting plate.
Preferably, the shape of the buckle is adapted with the shape of fixture block.
Preferably, the surface of the abatvoix opens up fluted, and the shape of groove is differed.
Preferably, it is provided with the screw thread being adapted with screw rod in the mounting groove.
Preferably, the inner shape of the adapter sleeve is adapted with the shape of pipeline.
(3) beneficial effect
Compared with prior art, the invention provides a kind of environment protection exhausting pipe for reducing noise, possesses following beneficial effect
Really：
1st, this can reduce the environment protection exhausting pipe of noise, and by setting unhurried current plate, unhurried current plate is to the gas flow rate through piping
Enter row buffering, serve the effect for entering row buffering noise reduction to gas flow rate, so as to ensure that this can reduce the environmental protection exhaust of noise
The effect of the good reduction noise of pipe.
2nd, this can reduce the environment protection exhausting pipe of noise, and by setting damper, damper not only can be to body and pipe
Road is effectively fixed, while vibrations are also produced because of air-flow to reduce using the larger resistance of damper, so as to ensure that
This can reduce the environment protection exhausting pipe service life more long of noise.
3rd, this can reduce the environment protection exhausting pipe of noise, and by setting abatvoix, abatvoix is carried out to the gas in effuser road
Secondary buffer noise reduction, substantially increases the good noise reduction of environment protection exhausting pipe that this can reduce noise, so as to ensure that this can
Reduce the practicality of the environment protection exhausting pipe of noise.
4th, this can reduce the environment protection exhausting pipe of noise, and by setting cushion, cushion is hollow setting, and reducing this can
The vibrations that the environment protection exhausting pipe of noise is deformed upon and produced due to expanding with heat and contract with cold are reduced, not only reducing this can reduce noise
The mechanical loss of environment protection exhausting pipe, also reduces because of the noise that vibrations are produced.
5th, this can reduce the environment protection exhausting pipe of noise, and by setting fixture block and buckle, buckle is fixed to fixture block, four
Fixture block is respectively fixedly connected with the surrounding outside fixed cover, so as to substantially prolongs making for the environment protection exhausting pipe that can reduce noise
Use the life-span.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is fixed cover attachment structure schematic diagram of the present invention.
In figure：1 body, contiguous block on 2,3 dampers, 4 lower connecting blocks, 5 connecting plates, 6 pipelines, 7 unhurried current plates, 8 reinforcing bars,
9 fixed plates, 10 fixed covers, 11 mounting grooves, 12 screw rods, 13 pads, 14 vacuum layers, 15 cushions, 16 adapter sleeves, 17 abatvoixs,
18 fixture blocks, 19 buckles.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2, a kind of environment protection exhausting pipe for reducing noise, including body (1) are referred to, the lower surface of body (1) is consolidated
Surely contiguous block (2) is connected with, the lower surface of upper contiguous block (2) is fixedly connected with damper (3), and the quantity of damper (3) is
Two, two dampers (3) are symmetrically fixedly connected on the upper surface of connecting plate (5), by setting damper (3), damper (3)
Not only body (1) and pipeline (6) can effectively be fixed, while also being dropped using the larger resistance of damper (3)
It is low that vibrations are produced because of air-flow, so as to ensure that this can reduce the environment protection exhausting pipe of noise service life more long, damper (3)
One end away from upper contiguous block (2) is fixedly connected with lower connecting block (4), and the lower surface of lower connecting block (4) is fixedly connected with connection
Plate (5), the lower surface of connecting plate (5) is fixedly connected with pipeline (6), and the inside of pipeline (6) is fixedly connected with unhurried current plate (7), delays
The surface of stream plate (7) opens up fluted, and the quantity of unhurried current plate (7) is five, and five unhurried currents plate (7) are equidistantly symmetrical fixed successively
The internal both sides of pipeline (6) are connected to, by setting unhurried current plate (7), unhurried current plate (7) enters to the gas flow rate through piping (6)
Row buffering, serves the effect for entering row buffering noise reduction to gas flow rate, so as to ensure that this can reduce the environment protection exhausting pipe of noise
The effect of good reduction noise, unhurried current plate (7) has been fixedly connected with reinforcing bar (8) near the both sides of pipeline (6) inwall one end,
Reinforcing bar (8) is fixedly connected on the inwall of pipeline (6) away from one end of unhurried current plate (7), and the outside of pipeline (6) one end is socketed with
Fixed cover (10), fixed cover (10) is internally provided with vacuum layer (14), and fixed cover is fixedly connected with cushion on the inside of (10)
(15), by setting cushion (15), cushion (15) is hollow setting, reduce environment protection exhausting pipe that this can reduce noise by
The vibrations for deforming upon and producing in expanding with heat and contract with cold, not only reduce the mechanical loss of the environment protection exhausting pipe that can reduce noise,
Also reduce because of the noise that vibrations are produced, cushion (15) is fixedly connected with adapter sleeve (16) away from the side of fixed cover (10),
The inner shape of adapter sleeve (16) is adapted with the shape of pipeline (6), and adapter sleeve (16) is fixed away from the side of cushion (15)
Abatvoix (17) is connected with, the surface of abatvoix (17) opens up fluted, and the shape of groove is differed, the two of abatvoix (17)
End is fixedly connected with the inwall of adapter sleeve (16), and the quantity of abatvoix (17) is four, and four abatvoixs (17) are equidistantly
It is fixedly connected in adapter sleeve (16), by setting abatvoix (17), abatvoix (17) carries out two to the gas of effuser road (6)
Secondary buffering noise reduction, substantially increases the good noise reduction of environment protection exhausting pipe that this can reduce noise, so as to ensure that this can drop
The practicality of the environment protection exhausting pipe of low noise, is fixedly connected with fixture block (18), the quantity of fixture block (18) on the outside of fixed cover (10)
It it is four, four fixture blocks (18) are respectively fixedly connected with the outside surrounding of fixed cover (10), and the inside of fixture block (18) is connected with card
Button (19), the shape of buckle (19) is adapted with the shape of fixture block (18), by setting fixture block (18) and buckle (19), buckle
(19) fixture block (18) is fixed, four fixture blocks (18) are respectively fixedly connected with the outside surrounding of fixed cover (10), so that greatly
The service life of the environment protection exhausting pipe that can reduce noise is extended greatly, and fixed cover (10) is fixed away from the side of pipeline (6) and connected
Fixed plate (9) is connected to, the both sides of fixed plate (9) offer mounting groove (11), and mounting groove (11) internal thread is connected with screw rod
(12) screw thread being adapted with screw rod (12), the junction on the outside of screw rod (12) and fixed plate (9), are provided with mounting groove (11)
It is provided with pad (13).
In sum, this can reduce the environment protection exhausting pipe of noise, and by setting unhurried current plate (7), unhurried current plate (7) is to by managing
The gas flow rate in road (6) enters row buffering, serves the effect for entering row buffering noise reduction to gas flow rate, so as to ensure that this can be reduced
The effect of the good reduction noise of the environment protection exhausting pipe of noise；
By setting damper (3), damper (3) can not only carry out effectively solid to body (1) and pipeline (6)
It is fixed, while vibrations are also produced because of air-flow to reduce using the larger resistance of damper (3), so as to ensure that this can reduce noise
Environment protection exhausting pipe service life more long；
By setting abatvoix (17), abatvoix (17) carries out secondary buffer noise reduction to the gas of effuser road (6), significantly
The good noise reduction of environment protection exhausting pipe that this can reduce noise is improve, so as to ensure that this can reduce the environmental protection exhaust of noise
The practicality of pipe；
By setting cushion (15), cushion (15) is hollow setting, and reducing this can reduce the environmental protection exhaust of noise
The vibrations that pipe is deformed upon and produced due to expanding with heat and contract with cold, not only reduce the machinery damage of the environment protection exhausting pipe that can reduce noise
Consumption, also reduces because of the noise that vibrations are produced；
By setting fixture block (18) and buckle (19), buckle (19) is fixed to fixture block (18), four fixture blocks (18) point
The outside surrounding of fixed cover (10) is not fixedly connected on, so as to substantially prolongs the use of the environment protection exhausting pipe that can reduce noise
Life-span.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (7)
1. a kind of environment protection exhausting pipe for reducing noise, including body (1), it is characterised in that：The lower surface of the body (1) is consolidated
Surely contiguous block (2) is connected with, the lower surface of the upper contiguous block (2) is fixedly connected with damper (3), the damper (3)
One end away from upper contiguous block (2) is fixedly connected with lower connecting block (4), and the lower surface of the lower connecting block (4) is fixedly connected with
Connecting plate (5), the lower surface of the connecting plate (5) is fixedly connected with pipeline (6)；
The inside of the pipeline (6) is fixedly connected with unhurried current plate (7), and the surface of unhurried current plate (7) opens up fluted, described slow
The quantity of stream plate (7) is five, and five unhurried currents plate (7) are equidistantly symmetrically fixedly connected on the internal both sides of pipeline (6), institute successively
State unhurried current plate (7) and be fixedly connected with reinforcing bar (8) near the both sides of pipeline (6) inwall one end, the reinforcing bar (8) is away from slow
One end of stream plate (7) is fixedly connected on the inwall of pipeline (6)；
The outside of described pipeline (6) one end is socketed with fixed cover (10), and the fixed cover (10) is internally provided with vacuum layer
(14) cushion (15), is fixedly connected with the inside of the fixed cover (10), the cushion (15) is away from fixed cover (10)
Side is fixedly connected with adapter sleeve (16), and the adapter sleeve (16) is fixedly connected with abatvoix away from the side of cushion (15)
(17), the two ends of the abatvoix (17) are fixedly connected with the inwall of adapter sleeve (16), the quantity of the abatvoix (17)
It it is four, four abatvoixs (17) are equidistantly fixedly connected in adapter sleeve (16), the outside of the fixed cover (10) is fixed and connected
Fixture block (18) is connected to, the quantity of the fixture block (18) is four, and four fixture blocks (18) are respectively fixedly connected with fixed cover (10) outward
The surrounding in portion, the inside of the fixture block (18) is connected with buckle (19)；
The fixed cover (10) is fixedly connected with fixed plate (9) away from the side of pipeline (6), and the both sides of the fixed plate (9) are equal
Mounting groove (11) is offered, mounting groove (11) internal thread is connected with screw rod (12), and the screw rod (12) is with fixed plate (9) outward
The junction of side is provided with pad (13).
2. a kind of environment protection exhausting pipe for reducing noise according to claim 1, it is characterised in that：The damper (3)
Quantity be (two), two dampers (3) are symmetrically fixedly connected on the upper surface of connecting plate (5).
3. a kind of environment protection exhausting pipe for reducing noise according to claim 1, it is characterised in that：The buckle (19)
Shape is adapted with the shape of fixture block (18).
4. a kind of environment protection exhausting pipe for reducing noise according to claim 1, it is characterised in that：The abatvoix (17)
Surface open up fluted, the shape of groove is differed.
5. a kind of environment protection exhausting pipe for reducing noise according to claim 1, it is characterised in that：The mounting groove (11)
Inside it is provided with the screw thread being adapted with screw rod (12).
6. a kind of environment protection exhausting pipe for reducing noise according to claim 1, it is characterised in that：The adapter sleeve (16)
Inner shape be adapted with the shape of pipeline (6).
7. a kind of method that environment protection exhausting pipe can reduce noise, it is characterised in that：This can reduce the environment protection exhausting pipe of noise, pass through
Unhurried current plate (7) is set, and unhurried current plate (7) enters row buffering to the gas flow rate through piping (6), by setting damper (3), damping
Device (3) not only can effectively be fixed to body (1) and pipeline (6), while also using the resistance that damper (3) is larger
Vibrations are produced because of air-flow to reduce, by setting abatvoix (17), abatvoix (17) carries out two to the gas of effuser road (6)
Secondary buffering noise reduction, by setting cushion (15), cushion (15) is hollow setting, and reducing this can reduce the environmental protection row of noise
The vibrations that tracheae is deformed upon and produced due to expanding with heat and contract with cold, by setting fixture block (18) and buckle (19), buckle (19) is to card
Block (18) is fixed, and four fixture blocks (18) are respectively fixedly connected with the outside surrounding of fixed cover (10), so as to substantially prolongs
This can reduce the service life of the environment protection exhausting pipe of noise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321527.8A CN106930810B (en) | 2017-05-09 | 2017-05-09 | A kind of environment protection exhausting pipe reducing noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321527.8A CN106930810B (en) | 2017-05-09 | 2017-05-09 | A kind of environment protection exhausting pipe reducing noise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106930810A true CN106930810A (en) | 2017-07-07 |
| CN106930810B CN106930810B (en) | 2019-06-07 |
Family
ID=59429981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710321527.8A Active CN106930810B (en) | 2017-05-09 | 2017-05-09 | A kind of environment protection exhausting pipe reducing noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106930810B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191246A (en) * | 2017-07-15 | 2017-09-22 | 爱驰威汽车零部件（盐城）有限公司 | A kind of automotive muffler |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5844209A (en) * | 1981-09-08 | 1983-03-15 | Kubota Ltd | Silencer for exhaust gas |
| CN203271870U (en) * | 2013-05-20 | 2013-11-06 | 常州市星龙金属结构件有限公司 | Efficient automobile silencer |
| CN205025538U (en) * | 2015-10-09 | 2016-02-10 | 张益宁 | Integration has tail -gas clean -up structure of falling function of making an uproar |
| CN106401723A (en) * | 2016-11-21 | 2017-02-15 | 丹阳正联知识产权运营管理有限公司 | Environmental-friendly noise-reducing automotive exhaust pipe |
| CN106593610A (en) * | 2017-02-21 | 2017-04-26 | 太仓市夏米粒信息技术有限公司 | Clean vehicle exhaust pipe |
| CN206144647U (en) * | 2016-08-31 | 2017-05-03 | 重庆欣创汽车配件有限公司 | Pipe of making an uproar falls in automobile shock absorber |
-
2017
- 2017-05-09 CN CN201710321527.8A patent/CN106930810B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5844209A (en) * | 1981-09-08 | 1983-03-15 | Kubota Ltd | Silencer for exhaust gas |
| CN203271870U (en) * | 2013-05-20 | 2013-11-06 | 常州市星龙金属结构件有限公司 | Efficient automobile silencer |
| CN205025538U (en) * | 2015-10-09 | 2016-02-10 | 张益宁 | Integration has tail -gas clean -up structure of falling function of making an uproar |
| CN206144647U (en) * | 2016-08-31 | 2017-05-03 | 重庆欣创汽车配件有限公司 | Pipe of making an uproar falls in automobile shock absorber |
| CN106401723A (en) * | 2016-11-21 | 2017-02-15 | 丹阳正联知识产权运营管理有限公司 | Environmental-friendly noise-reducing automotive exhaust pipe |
| CN106593610A (en) * | 2017-02-21 | 2017-04-26 | 太仓市夏米粒信息技术有限公司 | Clean vehicle exhaust pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191246A (en) * | 2017-07-15 | 2017-09-22 | 爱驰威汽车零部件（盐城）有限公司 | A kind of automotive muffler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106930810B (en) | 2019-06-07 |
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190515 Address after: 311800 Taohu Village, Huandong Street, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: ZHUJI KULUN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 311815 No. 389, Shang Lian village, Zhuji Town, Zhuji City, Zhejiang Applicant before: Zhang Shuihong |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Environmental protection exhaust pipe capable of reducing noise Effective date of registration: 20220310 Granted publication date: 20190607 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Huandong sub branch Pledgor: ZHUJI KULUN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980002387 |
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Date of cancellation: 20230316 Granted publication date: 20190607 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Huandong sub branch Pledgor: ZHUJI KULUN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980002387 |
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Denomination of invention: An environmentally friendly exhaust pipe that can reduce noise Effective date of registration: 20230320 Granted publication date: 20190607 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: ZHUJI KULUN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980035339 |
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