CN108643989B - Silencer and motorcycle with same - Google Patents
Silencer and motorcycle with same Download PDFInfo
- Publication number
- CN108643989B CN108643989B CN201810345216.XA CN201810345216A CN108643989B CN 108643989 B CN108643989 B CN 108643989B CN 201810345216 A CN201810345216 A CN 201810345216A CN 108643989 B CN108643989 B CN 108643989B
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- cavity
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- air inlet
- hole
- baffle plate
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- 230000003584 silencer Effects 0.000 title claims abstract description 17
- 230000009467 reduction Effects 0.000 claims abstract description 25
- 230000030279 gene silencing Effects 0.000 claims description 19
- 210000005239 tubule Anatomy 0.000 claims description 10
- 230000003187 abdominal effect Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims 2
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
Images
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
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
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- 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
- F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
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- 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
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a silencer and a motorcycle with the same. The front end of the shell is provided with a front cover, the rear end of the shell is provided with a rear cover, a baffle is arranged in the inner cavity of the shell, the baffle divides the inner cavity of the shell into a front cavity and a rear cavity, and the front cavity and the rear cavity are communicated with each other through a plurality of vent holes on the baffle; the air inlet pipe is arranged on the front cover and communicates the outside with the front cavity; the air outlet pipe is arranged on the rear cover and communicates the outside with the rear cavity; the speed reduction device is arranged on one side of the baffle and is positioned in the rear cavity, and the speed reduction device is communicated with the corresponding vent hole on the baffle. By adopting the structure, when the motorcycle tail gas flows in the speed reducing device, all parts in the speed reducing device block the tail gas, so that the flow velocity of the air flow is reduced, and the noise generated by the emission of the tail gas is reduced.
Description
Technical Field
The invention relates to a silencer and a motorcycle with the same.
Background
The silencer is a noise reduction device for an airflow pipeline with noise transmission, such as a pipeline and an elbow with sound absorption linings or a pipeline with suddenly changed sectional area and other discontinuous acoustic impedances, and the like, so that the noise in the pipeline is attenuated or reflected. The former is called resistive muffler and the latter is called resistive muffler, and there is also resistive hybrid muffling.
The motorcycle is one of important transportation means, the pollution of noise seriously affects the life quality of urban residents, the existing motorcycle, especially the motorcycle with high power, can emit harsh noise when being filled with a fuel, and the structure of the silencer of the existing motorcycle is further improved in order to further improve the current situation that the silencing effect of the silencer of the existing motorcycle is not good.
Disclosure of Invention
In view of this, the present invention provides a muffler capable of effectively reducing the exhaust gas discharge flow rate and having a good muffling effect, and a motorcycle having the muffler.
In order to achieve the purpose, the invention provides the following technical scheme:
a muffler, comprising:
the front end of the shell is provided with a front cover, the rear end of the shell is provided with a rear cover, a baffle is arranged in an inner cavity of the shell, the baffle divides the inner cavity of the shell into a front cavity and a rear cavity, and the front cavity and the rear cavity are communicated with each other through a plurality of vent holes on the baffle;
the air inlet pipe is arranged on the front cover and communicates the outside with the front cavity;
the air outlet pipe is arranged on the rear cover and communicates the outside with the rear cavity;
the speed reduction devices are arranged on one side of the baffle and are positioned in the rear cavity, and the speed reduction devices are communicated with corresponding vent holes in the baffle.
Furthermore, the speed reduction device comprises a barrel, an air inlet is formed in the front end face of the barrel, the air inlet is communicated with the front cavity through a corresponding air vent in the baffle, a T-shaped clamping groove is formed in the front end face of the barrel, a belly groove of the clamping groove is communicated with the air inlet, a first spoiler is arranged in the clamping groove, a conical hole is formed in the bottom face of the air inlet, a straight hole is formed in the bottom face of the conical hole, an exhaust cavity is formed in the rear end face of the barrel, and the exhaust cavity is communicated with the straight hole.
Further, the inside welding in chamber of exhausting has the second spoiler, the second spoiler is including the base plate, transition portion and the swash plate that connect gradually, the base plate is fixed to be set up on the lateral wall in chamber of exhausting, the swash plate with there is certain angle between the oblique bottom wall in chamber of exhausting, the other end of swash plate is equipped with a crotch portion, the crotch position is in the gas outlet department in straight hole.
Still further, the first spoiler comprises a connecting part and an inclined part arranged on one side surface of the connecting part, the connecting part is fixedly matched and installed with the bottom groove of the clamping groove, and the tail end of the inclined part penetrates through the abdominal groove and extends into the air inlet hole.
Furthermore, the silencer is characterized by further comprising a plurality of silencing thick pipes fixedly arranged on one side surface of the baffle, the speed reduction device is welded in the silencing thick pipes, the speed reduction device divides the inner cavity of the silencing thick pipes into a front cavity and a tail cavity, the front cavity is communicated with the air inlet, the tail cavity is communicated with the exhaust cavity, and the front cavity is communicated with the front cavity through corresponding vent holes in the baffle.
Furthermore, the silencer also comprises a plurality of silencing thin pipes which are fixedly arranged on the other side surface of the baffle, and the silencing thin pipes are communicated with the front cavity through vent holes in the baffle.
Furthermore, a plurality of small holes are arranged on the silencing thin tube.
Furthermore, the side wall of the inner section of the air inlet pipe, which is positioned in the front cavity, is provided with a plurality of first vent holes, and the side wall of the inner section of the air outlet pipe, which is positioned in the rear cavity, is provided with a plurality of second vent holes.
According to another aspect of the present invention there is provided a motorcycle including a muffler as described in any one of the above.
The technical scheme can show that the invention has the advantages that: the speed reduction device is arranged in the tail gas exhaust device and comprises a barrel, a first spoiler and a second spoiler, wherein an air inlet hole, a taper hole and a straight hole are formed in the barrel, the aperture of the air inlet hole, the aperture of the taper hole and the aperture of the straight hole are gradually reduced, the tail gas flow is blocked, the flow speed of the tail gas is reduced, the noise is reduced, the first spoiler and the second spoiler can also block the tail gas flow, the flow speed of the tail gas is further reduced, and the noise is reduced.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a gas flow diagram of the present invention.
Fig. 3 is a partial cross-sectional view of the present invention.
Fig. 4 is a schematic structural diagram of the deceleration device of the present invention.
Fig. 5 is a gas flow pattern in the speed-reducing device of the present invention.
Labeled as: the intake duct 10, the first vent hole 11, the casing 20, the front cover 21, the rear cover 22, the outlet duct 30, the second vent hole 31, the baffle 40, the sound attenuation tubule 50, the small hole 51, the sound attenuation tubule 60, the front cavity 61, the rear cavity 62, the front cavity 70, the rear cavity 80, the deceleration device 90, the cylinder 91, the intake hole 911, the guide hole 9111, the tapered hole 9112, the straight hole 91121, the exhaust cavity 912, the inclined bottom wall 9121, the card groove 913, the web groove 9131, the bottom groove 9132, the first spoiler 92, the connecting portion 921, the inclined portion 922, the second spoiler 93, the base plate, the transition portion 932, the swash plate 931, and the hook portion 934.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, a muffler as shown in fig. 1 includes: the air inlet pipe 10, the air outlet pipe 30 and the plurality of speed reduction devices 90, wherein a front cover 21 is arranged at the front end of the shell 20, a rear cover 22 is arranged at the rear end of the shell 20, a baffle plate 40 is arranged in the inner cavity of the shell 20, the baffle plate 40 divides the inner cavity of the shell 20 into a front cavity 70 and a rear cavity 80, and the front cavity 70 and the rear cavity 80 are communicated with each other through a plurality of vent holes on the baffle plate 40; the air inlet pipe 10 is arranged on the front cover 21, and the air inlet pipe 10 communicates the outside with the front chamber 70; the air outlet pipe 30 is arranged on the rear cover 22, and the air outlet pipe 30 communicates the outside with the rear chamber 80; the speed reduction device 90 is arranged on one side of the baffle plate 40, the speed reduction device 90 is positioned in the rear chamber 80, the speed reduction device 90 is communicated with the corresponding vent hole on the baffle plate 40, and the speed reduction device 90 reduces the flow speed of the airflow by blocking the flow of the tail gas, so that the noise generated by the tail gas emission is reduced.
As shown in fig. 1 and 3, the silencer further includes a plurality of silencing wide tubes 60 fixedly disposed on one side surface of the baffle 40 and a plurality of silencing narrow tubes 50 fixedly disposed on the other side surface of the baffle 40, the speed reduction device 90 is welded in the silencing wide tubes 60, the speed reduction device 90 divides the inner cavity of the silencing wide tubes 60 into a front cavity 61 and a rear cavity 62, the front cavity 61 is communicated with an air inlet hole 911 on a cylinder 91 of the speed reduction device 90, the rear cavity 62 is communicated with an air exhaust cavity 912 of the cylinder 91, the silencing narrow tubes 50 are communicated with the front cavity 70, and the front cavity 61 is communicated with the silencing narrow tubes 50 through air vents on the baffle 40.
In this embodiment, the silencing tubule 50 is provided with a plurality of small holes 51, and the gas in the front chamber 70 can enter the silencing tubule 50 through the small holes 51.
As shown in fig. 1, in this embodiment, a plurality of first ventilation holes 11 are formed in a side wall of an inner section of the air inlet pipe 10 located in the front chamber 70, and a plurality of second ventilation holes 31 are formed in a side wall of an inner section of the air outlet pipe 30 located in the rear chamber 80.
As shown in fig. 4, the speed reduction device 90 includes a barrel 91, the air inlet 911 is provided on a front end surface of the barrel 91, an opening of the air inlet 911 is provided with a guide hole 9111, the guide hole 9111 and the air inlet 911 are concentrically arranged, the air inlet 911 is communicated with the front cavity 61, a T-shaped clamping groove 913 is provided on the front end surface of the barrel 91, an abdominal groove 9131 of the clamping groove 913 is communicated with the air inlet 911, a first spoiler 92 is provided in the clamping groove 913, a tapered hole 9112 is provided on a bottom surface of the air inlet 911, a diameter of the tapered hole 9112 is smaller than a diameter of the air inlet 911, a straight hole 91121 is provided on a bottom surface of the tapered hole 9112, the exhaust cavity 912 is provided on a rear end surface of the barrel 91, and the exhaust cavity 912 is communicated with the straight hole 91121.
As shown in fig. 4, the first spoiler 92 includes a connecting portion 921 and an inclined portion 922 disposed on one side surface of the connecting portion 921, the connecting portion 921 is fixedly fitted and mounted with a bottom groove 9132 of the clamping groove 913, and a distal end of the inclined portion 922 extends into the air inlet hole 911 through the abdominal groove 9131, and when exhaust flows into the clamping groove 913, the first spoiler 92 acts as a barrier to the air flow, so that the air flow rate is reduced, and noise generated by exhaust emission is reduced.
As shown in fig. 4, the internal welding of exhaust chamber 912 has second spoiler 93, second spoiler 93 includes base plate 931, transition portion 932 and the swash plate 933 that connects gradually, base plate 931 is fixed to be set up on exhaust chamber 912's the lateral wall, swash plate 933 with there is certain angle between exhaust chamber 912's the oblique diapire 9121, the other end of swash plate 933 is equipped with a hook portion 934, hook portion 934 is located straight hole 91121's gas outlet department, when tail gas flowed out from straight hole 91121, can produce certain effect to hook portion 934 for hook portion 934 takes place the displacement, and second spoiler 93 also can produce certain hindrance effect to the air current simultaneously, reduces the air current velocity of flow, reduces the noise that tail gas emission produced.
In this embodiment, the second spoiler 93 is sheet-shaped, and the thickness of the second spoiler 93 is between 5 mm and 10mm, which can achieve the purpose of the present invention.
As shown in fig. 2 and 5, after the exhaust gas flows into the intake pipe 10, a part of the exhaust gas will flow into the front chamber 70 from the outlet of the intake pipe 10, and another part of the exhaust gas will flow into the front chamber 70 through the first vent hole 11; the exhaust gas entering the front chamber 70 enters the silencing tubules 50 through the air inlet ends of the silencing tubules 50 and the small holes 51 on the side walls of the silencing tubules 50, then passes through the vent holes on the baffle 40 and enters the corresponding front chamber 61, the tail gas in the front chamber 61 sequentially passes through the air inlet hole 911, the tapered hole 9112, the straight hole 91121, the exhaust chamber 912 and the tail chamber 62 and enters the rear chamber 80, and the inclined part 922 can generate a blocking effect on the airflow due to the fact that the first baffle 92 is arranged in the bottom groove 9132, the flow rate of the airflow is slowed down, and the noise is reduced; the major diameter of the taper hole 9112 is smaller than the aperture of the air inlet hole 911, so that the airflow is blocked again, and sound waves are collected, so that some sound waves interfere and are offset, and the noise is reduced; in addition, the aperture of the taper hole 9112 is gradually reduced, so that the airflow is always blocked, the flow speed is reduced, and the noise is reduced; because the second spoiler 93 is arranged at the air outlet of the straight hole 91121, the air flow is blocked by the second spoiler 93, the hook 934 can also generate dislocation under the action of the air flow, the flow rate of the air flow is reduced under the blocking action of the second spoiler 93, the flow direction is changed, the noise generated by tail gas is reduced again, and the air in the rear chamber 80 enters the air outlet pipe 30 through the air inlet of the air outlet pipe 30 and the second vent hole 31 and then is exhausted to the outside.
The embodiment provides a motorcycle, which comprises the silencer.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A muffler, comprising:
the air conditioner comprises a shell (20), wherein a front cover (21) is arranged at the front end of the shell (20), a rear cover (22) is arranged at the rear end of the shell (20), a baffle plate (40) is arranged in an inner cavity of the shell (20), the baffle plate (40) divides the inner cavity of the shell (20) into a front cavity (70) and a rear cavity (80), and the front cavity (70) and the rear cavity (80) are communicated with each other through a plurality of vent holes on the baffle plate (40);
the air inlet pipe (10), the air inlet pipe (10) is arranged on the front cover (21), and the air inlet pipe (10) communicates the outside with the front chamber (70);
the air outlet pipe (30) is arranged on the rear cover (22), and the air outlet pipe (30) is used for communicating the outside with the rear chamber (80);
a plurality of speed reduction devices (90), the speed reduction devices (90) are arranged on one side of the baffle plate (40), the speed reduction devices (90) are positioned in the rear chamber (80), the speed reduction devices (90) are communicated with corresponding vent holes on the baffle plate (40), each speed reduction device (90) comprises a barrel (91), an air inlet hole (911) is formed in the front end face of each barrel (91), each air inlet hole (911) is communicated with the front chamber (70) through the corresponding vent hole on the baffle plate (40), a T-shaped clamping groove (913) is formed in the front end face of each barrel (91), an abdominal groove (9131) of the clamping groove (913) is communicated with the air inlet hole (911), a first spoiler (92) is arranged in the clamping groove (913), a conical hole (9112) is formed in the bottom face of the air inlet hole (911), a straight hole (91121) is formed in the bottom face of the conical hole (9112), an exhaust cavity (912) is arranged on the rear end face of the cylinder body (91), and the exhaust cavity (912) is communicated with the straight hole (91121).
2. The silencer of claim 1, wherein a second spoiler (93) is welded inside the exhaust cavity (912), the second spoiler (93) comprises a base plate (931), a transition portion (932) and an inclined plate (933) which are connected in sequence, the base plate (931) is fixedly arranged on the side wall of the exhaust cavity (912), a certain angle is formed between the inclined plate (933) and an inclined bottom wall (9121) of the exhaust cavity (912), the other end of the inclined plate (933) is provided with a hook portion (934), and the hook portion (934) is located at an air outlet of the straight hole (91121).
3. The muffler according to claim 2, wherein the first spoiler (92) includes a connecting portion (921) and an inclined portion (922) provided on one side surface of the connecting portion (921), the connecting portion (921) being fixedly fitted with a bottom groove (9132) of the card groove (913), and a tip end of the inclined portion (922) extending into the intake hole (911) through the abdominal groove (9131).
4. The silencer of claim 3, further comprising a plurality of muffling wide pipes (60) fixedly arranged on one side surface of the baffle plate (40), wherein the speed reduction device (90) is welded in the muffling wide pipes (60), the speed reduction device (90) divides an inner cavity of the muffling wide pipes (60) into a front cavity (61) and a tail cavity (62), the front cavity (61) is communicated with the air inlet hole (911), the tail cavity (62) is communicated with the air exhaust cavity (912), and the front cavity (61) is communicated with the front cavity (70) through corresponding air vents on the baffle plate (40).
5. The silencer of claim 4, further comprising a plurality of silencing tubules (50) fixedly arranged on the other side surface of the baffle plate (40), wherein the silencing tubules (50) are communicated with the front cavity (61) through vent holes in the baffle plate (40).
6. A silencer according to claim 5, characterized in that the silencer tubule (50) is provided with a number of small holes (51).
7. A silencer according to claim 1, characterized in that the side wall of the inner section of the inlet pipe (10) in the front chamber (70) is provided with a plurality of first venting holes (11), and the side wall of the outlet pipe (30) in the inner section of the rear chamber (80) is provided with a plurality of second venting holes (31).
8. A motorcycle comprising the muffler of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345216.XA CN108643989B (en) | 2018-04-17 | 2018-04-17 | Silencer and motorcycle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345216.XA CN108643989B (en) | 2018-04-17 | 2018-04-17 | Silencer and motorcycle with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108643989A CN108643989A (en) | 2018-10-12 |
| CN108643989B true CN108643989B (en) | 2020-01-24 |
Family
ID=63746323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810345216.XA Active CN108643989B (en) | 2018-04-17 | 2018-04-17 | Silencer and motorcycle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108643989B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110078540A (en) * | 2019-04-28 | 2019-08-02 | 中国农业大学烟台研究院 | A kind of dry seaweed dust recycling system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2151260Y (en) * | 1992-04-04 | 1993-12-29 | 朱国华 | Effective muffler |
| CN2272489Y (en) * | 1996-06-17 | 1998-01-14 | 浙江大学 | Purifier, silencer for tail gas of diesel engine |
| CN2713138Y (en) * | 2004-06-25 | 2005-07-27 | 王本准 | Engine muffler |
| CN201381887Y (en) * | 2009-04-08 | 2010-01-13 | 重庆全冠机电设备制造有限公司 | Duct-type microporous arc engine muffler |
| CN203271864U (en) * | 2013-05-20 | 2013-11-06 | 常州市星龙金属结构件有限公司 | Novel automobile silencer |
| CN103437858A (en) * | 2013-08-20 | 2013-12-11 | 张晓荣 | Spark extinguishing type silencer |
| CN204532475U (en) * | 2015-04-06 | 2015-08-05 | 黄江彬 | Motor sound eliminator for automobile |
-
2018
- 2018-04-17 CN CN201810345216.XA patent/CN108643989B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108643989A (en) | 2018-10-12 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200102 Address after: No. 102, Jintong Road, Tangxia Town, Pengjiang district, Jiangmen City, Guangdong Province Applicant after: Jiangmen Songling Locomotive Co.,Ltd. Address before: 362000 No. 85 Mengya Lane, Licheng District, Quanzhou City, Fujian Province Applicant before: Lin Fangfang |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The utility model relates to a muffler and a motorcycle with the muffler Effective date of registration: 20210804 Granted publication date: 20200124 Pledgee: Heshan Branch of China Construction Bank Co.,Ltd. Pledgor: Jiangmen Songling Locomotive Co.,Ltd. Registration number: Y2021980007286 |
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Date of cancellation: 20220831 Granted publication date: 20200124 Pledgee: Heshan Branch of China Construction Bank Co.,Ltd. Pledgor: Jiangmen Songling Locomotive Co.,Ltd. Registration number: Y2021980007286 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Silencer and motorcycle with the silencer Effective date of registration: 20220929 Granted publication date: 20200124 Pledgee: Heshan Branch of China Construction Bank Co.,Ltd. Pledgor: Jiangmen Songling Locomotive Co.,Ltd. Registration number: Y2022980016980 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230814 Granted publication date: 20200124 Pledgee: Heshan Branch of China Construction Bank Co.,Ltd. Pledgor: Jiangmen Songling Locomotive Co.,Ltd. Registration number: Y2022980016980 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A silencer and a motorcycle with the same Effective date of registration: 20230913 Granted publication date: 20200124 Pledgee: Heshan Branch of China Construction Bank Co.,Ltd. Pledgor: Jiangmen Songling Locomotive Co.,Ltd. Registration number: Y2023980056512 |
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