CN109458249B - Exhaust system of vehicle, vehicle and exhaust method - Google Patents
Exhaust system of vehicle, vehicle and exhaust method Download PDFInfo
- Publication number
- CN109458249B CN109458249B CN201710797314.2A CN201710797314A CN109458249B CN 109458249 B CN109458249 B CN 109458249B CN 201710797314 A CN201710797314 A CN 201710797314A CN 109458249 B CN109458249 B CN 109458249B
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- exhaust pipe
- vehicle
- exhaust
- pipe
- opening
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 13
- 206010053615 Thermal burn Diseases 0.000 abstract description 8
- 239000007789 gas Substances 0.000 abstract description 8
- 239000002912 waste gas Substances 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 230000003584 silencer Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 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
- 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
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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)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The present disclosure relates to an exhaust system of a vehicle, and an exhaust method. The exhaust system of the vehicle includes: an exhaust pipe; and the rotating device is connected to the exhaust pipe and used for rotating the exhaust pipe to change the opening direction of the exhaust pipe. This is disclosed rotatory through rotary device the blast pipe is in order to change the opening orientation of blast pipe, and then make the opening orientation adaptation of blast pipe in the current state of vehicle has avoided the high temperature waste gas of blast pipe exhaust to scald the user at vehicle rear or stained user's shoes trousers, has solved among the related art blast pipe of vehicle scald user's shank easily or stained user's shoes trousers when discharging high temperature tail gas problem.
Description
Technical Field
The present disclosure relates to the field of vehicle technology, and in particular, to an exhaust system, a vehicle, and an exhaust method for a vehicle.
Background
An engine exhaust system of a vehicle is one of essential systems of the vehicle, and exhaust emission is characterized by high temperature and containing particles such as dust. In the related art, the outlet of the exhaust pipe of the vehicle is mostly horizontal or obliquely downward, and when a user opens the trunk, the user may stand behind the exhaust pipe, and the high-temperature exhaust gas discharged easily burns the legs or damages shoes and trousers.
Disclosure of Invention
The present disclosure is directed to an exhaust system of a vehicle, a vehicle and an exhaust method, which are used to solve the problem in the related art that when a high-temperature exhaust gas is discharged from an exhaust pipe of a vehicle, legs of a user are easily scalded or shoes and trousers of the user are easily stained.
In order to achieve the above object, the present disclosure provides an exhaust system of a vehicle, comprising:
an exhaust pipe; and
and the rotating device is connected to the exhaust pipe and used for rotating the exhaust pipe so as to change the opening direction of the exhaust pipe.
Optionally, the method further comprises:
and the controller is connected with the rotating device and used for acquiring the current state information of the vehicle and controlling the rotating device to rotate the exhaust pipe so as to change the opening direction of the exhaust pipe according to the current state information of the vehicle.
Optionally, the rotating device comprises:
a motor controlled by the controller; and
the transmission mechanism is connected with the motor and the exhaust pipe; when the motor rotates, the exhaust pipe is driven to rotate through the transmission mechanism.
Optionally, the transmission mechanism comprises:
a worm connected to the motor; and
and the turbine is meshed with the worm and fixedly sleeved on the exhaust pipe.
Optionally, the transmission mechanism comprises:
a first gear connected to the motor; and
the second gear is meshed with the first gear and fixedly sleeved on the exhaust pipe.
Optionally, the exhaust pipe further comprises a silencer communicated with the exhaust pipe;
the transmission mechanism further includes:
the rolling bearing is sleeved at the outlet of the silencer; the exhaust pipe is movably sleeved on the rolling bearing.
Optionally, the exhaust pipe comprises:
the first pipe body is connected to the rotating device; and
the second pipe body is communicated with the second pipe body, and an included angle which is not 180 degrees is formed between the second pipe body and the first pipe body.
Optionally, the controller is configured to obtain status information of a trunk and an engine, and control the rotating device to rotate the exhaust pipe to change an opening orientation of the exhaust pipe according to the status information of the trunk and the engine.
Optionally, the controller is configured to control the rotating device to rotate the exhaust pipe so that the opening of the exhaust pipe faces the non-vehicle rear direction when the trunk is in the open state and the engine is in the operating state.
Optionally, the controller is configured to control the rotating device to rotate the exhaust pipe so that the opening of the exhaust pipe faces the rear of the vehicle when the trunk is in a closed state or the engine is in a closed state.
The present disclosure also provides a vehicle including the exhaust system described above.
The present disclosure also provides an exhaust method of a vehicle, including:
acquiring current state information of a vehicle;
rotating an exhaust pipe according to the current state information of the vehicle to adapt the opening orientation of the exhaust pipe to the current state of the vehicle.
Optionally, the current status information includes status information of the trunk and the engine;
the rotating the exhaust pipe according to the current state information of the vehicle includes:
rotating the exhaust pipe so that an opening of the exhaust pipe faces toward a non-vehicle rear side when the trunk is in an open state and the engine is in an operating state;
when the trunk is in a closed state or the engine is in a closed state, the exhaust pipe is rotated so that the opening of the exhaust pipe faces the rear of the vehicle.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
this is disclosed rotates the blast pipe through rotary device in order to change the opening orientation of blast pipe, and then makes the opening orientation adaptation of blast pipe in the current state of vehicle has avoided the user at blast pipe exhaust high temperature waste gas scald vehicle rear or stained user's shoes trousers, has solved among the correlation technique blast pipe of vehicle scald user's shank easily or stained user's shoes trousers when discharging high temperature tail gas problem, has improved security and man-machine care.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a block diagram illustrating an exhaust system of a vehicle according to an exemplary embodiment.
FIG. 2 is another block diagram of an exhaust system of a vehicle, according to an exemplary embodiment.
Fig. 3 is a schematic structural diagram illustrating a rotary device of an exhaust system of a vehicle according to an exemplary embodiment.
Fig. 4 is a partial cross-sectional view of the rotating apparatus of fig. 3.
Fig. 5 is another schematic structural diagram of a rotary device of an exhaust system of a vehicle according to an exemplary embodiment.
FIG. 6 is a flow chart illustrating a method of exhausting a vehicle according to an exemplary embodiment.
FIG. 7 is another flow chart illustrating a method of exhausting a vehicle according to an exemplary embodiment.
Description of the reference numerals
10 exhaust system 11 exhaust pipe
12 rotating device 13 controller
120 motor 14 silencer
121 worm 122 worm gear
123 rolling bearing 124 first gear
125 second gear
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
FIG. 1 is a block diagram illustrating an exhaust system of a vehicle according to an exemplary embodiment. As shown in fig. 1, an exhaust system 10 of the vehicle includes an exhaust pipe 11 and a swivel device 12, wherein the swivel device 12 is connected to the exhaust pipe 11.
As shown in fig. 1, the rotation device 12 is connected to the exhaust pipe 11, and the rotation device 12 can rotate the exhaust pipe 11, so that the opening direction of the exhaust pipe 12 can be changed. The rotation device 12 may be driven by a button disposed inside the vehicle, for example, a user may press the button inside the vehicle to drive the rotation device 12 to rotate, thereby rotating the exhaust pipe 11 to change the opening direction of the exhaust pipe 12. Of course, in other embodiments, the rotation device may be driven to operate by a remote control button.
For example, when a person is located behind the vehicle, the user may press a button inside the vehicle, and the rotating device 12 may rotate the exhaust pipe 11 so that the opening of the exhaust pipe 12 faces the rear of the vehicle, for example, the opening of the exhaust pipe 11 faces the ground or both sides of the vehicle, so as to prevent the high-temperature exhaust gas discharged from the exhaust pipe 11 from burning the user behind the vehicle or dirtying the user's shoes.
This is disclosed rotates the blast pipe through rotary device in order to change the opening orientation of blast pipe, and then makes the opening orientation adaptation of blast pipe in the current state of vehicle has avoided the user at blast pipe exhaust high temperature waste gas scald vehicle rear or stained user's shoes trousers, has solved among the correlation technique blast pipe of vehicle scald user's shank easily or stained user's shoes trousers when discharging high temperature tail gas problem, has improved security and man-machine care.
FIG. 2 is another block diagram of an exhaust system of a vehicle, according to an exemplary embodiment. As shown in fig. 2, the exhaust system 10 of the vehicle includes a controller 13 in addition to an exhaust pipe 11 and a rotation device 12, and the controller 13 is connected to the rotation device 12.
Alternatively, the exhaust pipe 11 may include a first pipe and a second pipe communicated with the first pipe. The first tube is connected to the rotating device 12, and an included angle is formed between the second tube and the first tube, and the included angle does not include 180 °. The included angle may be between 60 ° and 150 °, and preferably the included angle is 90 °. When the rotating device 12 drives the first pipe to rotate, for example, when the first pipe is driven to rotate, the direction of the opening of the second pipe can be changed, so that the direction of the opening of the exhaust pipe 11 is adapted to the current state of the vehicle.
To rotate the exhaust pipe 11, please refer to fig. 2 and 3, fig. 3 is a schematic structural diagram of a rotating device of an exhaust system of a vehicle according to an exemplary embodiment, wherein the rotating device 12 includes a motor 120 and a transmission mechanism.
As shown in fig. 2 and 3, the motor 120 is controlled by the controller 13, and the transmission mechanism is connected to the motor 120 and the exhaust pipe 11, wherein the motor 120 may be provided on a rear bumper of a vehicle. The controller can control the motor 120 to rotate, and when the motor 120 rotates, the motor 120 can drive the exhaust pipe 11 to rotate through the transmission mechanism, so as to change the opening direction of the exhaust pipe 12.
In an embodiment, referring to fig. 3 and 4, fig. 4 is a partial sectional view of the rotating device in fig. 3, the exhaust system further includes a muffler 14 communicated with the exhaust pipe 11, and the muffler 14 may be a rear muffler. The nozzle at one end of the exhaust pipe 11 is movably communicated with the outlet of the silencer 14.
As shown in fig. 3 and 4, the transmission mechanism includes a worm 121, a worm wheel 122, and a rolling bearing 123. The worm 121 is connected to the motor 120, and when the motor 120 rotates, the motor 120 can drive the worm 121 to rotate. The worm wheel 122 is meshed with the worm 121, and when the worm 121 rotates, the worm 121 can drive the worm wheel 122 to rotate. The turbine 122 is sleeved on the exhaust pipe 11, the turbine 122 is fixed on the exhaust pipe 11, and when the turbine 122 rotates, the turbine 122 drives the exhaust pipe 11 to rotate.
As shown in fig. 4, in order to prevent the muffler 14 from affecting the rotation of the exhaust pipe 11, the rolling bearing 123 is sleeved on the outlet of the muffler 14, and the exhaust pipe 11 is movably sleeved on the rolling bearing 123. Alternatively, in order to prevent the high-temperature exhaust gas from flowing out through the gap between the rolling bearing 123 and the exhaust pipe 11, as shown in fig. 4, the side of the rolling bearing 123 facing the passage of the exhaust pipe 11, i.e., the side away from the muffler 14, may be provided with an annular sealing structure, which may be a rubber ring.
In another embodiment, please refer to fig. 5, fig. 5 is another schematic structural diagram of a rotating device of an exhaust system of a vehicle according to an exemplary embodiment, a nozzle of one end of the exhaust pipe 11 is movably connected to an outlet of the muffler 14, and the transmission mechanism includes a first gear 124 and a second gear 125. The first gear 124 is connected to the motor 120, and when the motor 120 rotates, the motor 120 can drive the first gear 124 to rotate. The second gear 125 is meshed with the first gear 124, and when the first gear 124 rotates, the first gear 124 can drive the second gear 125 to rotate. The second gear 125 is sleeved on the exhaust pipe 11, the second gear 125 is fixed on the exhaust pipe 11, and when the second gear 125 rotates, the second gear 125 drives the exhaust pipe 11 to rotate.
In order to prevent the muffler 14 from affecting the rotation of the exhaust pipe 11, the transmission mechanism may include a rolling bearing, the rolling bearing is sleeved on the outlet of the muffler 14, and the exhaust pipe 11 is movably sleeved on the rolling bearing 123.
This is disclosed has realized rotatory blast pipe through rotary device, and then can change the opening orientation of blast pipe can prevent to stand in the user behind the vehicle scald or stained user's shoes trousers by the exhaust high temperature waste gas.
Referring to fig. 2, the controller 13 is connected to the rotating device 12, and the controller 13 can obtain current state information of the vehicle, and control the rotating device 12 to rotate the exhaust pipe 11 according to the current state information of the vehicle to change the opening direction of the exhaust pipe 11, so that the opening direction of the exhaust pipe 11 is adapted to the current state of the vehicle. The controller 13 may be an ECU (Electronic Control Unit), which detects the current state of the vehicle through data collection and exchange of various sensors and buses.
Alternatively, the current state information includes state information of a trunk and an engine, the controller 13 may acquire the state information of the engine through an engine management system of the vehicle, and acquire the state information of the trunk through a body control module of the vehicle, and then the controller 13 controls the rotating device 12 to rotate the exhaust pipe 11 according to the state information of the trunk and the engine to change the opening orientation of the exhaust pipe 11 so that the opening orientation of the exhaust pipe 11 is adapted to the current state of the vehicle.
For example, when the controller 13 detects that the engine is in an operating state through an engine management system of the vehicle and detects that the trunk is in an open state through a body control module of the vehicle, the controller 13 may control the rotating device 12 to rotate the exhaust pipe 11 so that the opening of the exhaust pipe 11 faces the non-rear of the vehicle, for example, the opening of the exhaust pipe 11 faces the ground or both sides of the vehicle. When the controller 13 detects that the engine is in a closed state by an engine management system of the vehicle or that the trunk is in a closed state by a vehicle body control module, the controller 13 may control the rotating device 12 to rotate the exhaust pipe 11 so that the opening of the exhaust pipe 11 faces the rear of the vehicle.
Of course, in other embodiments, the controller may also obtain the state information of the engine and the pedestrian information behind the vehicle, such as detecting whether there is a living being behind the vehicle by a sensor or a camera, and control the rotating device to rotate the exhaust pipe to change the opening direction of the exhaust pipe according to the pedestrian information behind the vehicle and the state information of the engine, for example, when the engine is in a running state and there is a living being behind the vehicle, the controller controls the rotating device to rotate the exhaust pipe to make the opening of the exhaust pipe face to the non-vehicle rear; when the engine is in an off state or no living things are present behind the vehicle, the controller controls the rotating device to rotate the exhaust pipe so that the opening of the exhaust pipe faces the rear of the vehicle.
This is disclosed detects the current state of vehicle through the controller to according to the current state of vehicle, control rotary device is rotatory the blast pipe is in order to change the opening orientation of blast pipe, and then make the opening orientation adaptation of blast pipe in the current state of vehicle has avoided the high temperature waste gas of blast pipe exhaust to scald the user at vehicle rear or stained user's shoes trousers, has solved among the correlation technique blast pipe of vehicle and has scalded user's shank easily or stained user's shoes trousers when discharging high temperature tail gas problem, has improved security and man-machine care.
The present disclosure also provides a vehicle including the exhaust system 10 described above. The specific manner in which the various structures operate has been described in detail in relation to the embodiment of the exhaust system 10 and will not be described in detail herein.
FIG. 6 is a flow chart illustrating a method of exhausting a vehicle according to an exemplary embodiment. As shown in fig. 6, the method includes the following steps.
In step S51, the current state information of the vehicle is acquired.
And step S52, rotating the exhaust pipe according to the current state information of the vehicle to enable the opening orientation of the exhaust pipe to be adapted to the current state of the vehicle.
FIG. 7 is another flow chart illustrating a method of exhausting a vehicle according to an exemplary embodiment. As shown in fig. 7, the current state information includes state information of the trunk and the engine; the method comprises the following steps.
In step S61, the state information of the trunk and the engine of the vehicle is acquired.
Step S62 is to rotate the exhaust pipe so that the opening of the exhaust pipe faces the non-vehicle rear side when the trunk is in the open state and the engine is in the operating state.
Step S63, when the trunk is in a closed state or the engine is in a closed state, the exhaust pipe is rotated so that the opening of the exhaust pipe faces the rear of the vehicle.
With regard to the exhaust method in the above-described embodiment, the specific manner in which the respective steps are performed has been described in detail in the embodiment relating to the exhaust system of the vehicle, and will not be elaborated upon here.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (8)
1. An exhaust system for a vehicle, comprising:
an exhaust pipe (11); and
a rotating device (12) connected to the exhaust pipe (11) for rotating the exhaust pipe (11) to change the opening orientation of the exhaust pipe (11);
the controller (13) is connected to the rotating device (12) and used for acquiring current state information of a vehicle and controlling the rotating device (12) to rotate the exhaust pipe (11) so as to change the opening direction of the exhaust pipe (11) according to the current state information of the vehicle;
the controller (13) is used for acquiring the state information of a trunk and an engine and controlling the rotating device (12) to rotate the exhaust pipe (11) according to the state information of the trunk and the engine so as to change the opening orientation of the exhaust pipe (11);
the controller (13) is used for controlling the rotating device (12) to rotate the exhaust pipe (11) when the trunk is in an open state and the engine is in a running state, so that the opening of the exhaust pipe (11) faces the non-vehicle rear direction;
the controller (13) is configured to control the rotating device (12) to rotate the exhaust pipe (11) so that the opening of the exhaust pipe (11) faces the rear of the vehicle when the trunk or the engine is in an off state.
2. An exhaust system according to claim 1, characterized in that the rotating means (12) comprises:
a motor (120) controlled by the controller (13); and
a transmission mechanism connected to the motor (120) and the exhaust pipe (11); when the motor (120) rotates, the exhaust pipe (11) is driven to rotate through the transmission mechanism.
3. The exhaust system of claim 2, wherein the transmission mechanism comprises:
a worm (121) connected to the motor (120); and
and a worm wheel (122) which is engaged with the worm (121) and is fixedly sleeved to the exhaust pipe (11).
4. The exhaust system of claim 2, wherein the transmission mechanism comprises:
a first gear (124) connected to the motor (120); and
and a second gear (125) which is meshed with the first gear (124) and is fixedly sleeved on the exhaust pipe (11).
5. An exhaust system according to claim 3 or 4, further comprising a muffler (14) communicating with the exhaust pipe (11);
the transmission mechanism further includes:
a rolling bearing (123) fitted to an outlet of the muffler (14); the exhaust pipe (11) is movably sleeved on the rolling bearing (123).
6. An exhaust system according to claim 1, characterized in that the exhaust pipe (11) comprises:
a first tube connected to the rotating device (12); and
the second pipe body is communicated with the first pipe body, and an included angle which is not 180 degrees is formed between the second pipe body and the first pipe body.
7. A vehicle characterized by comprising the exhaust system of any one of claims 1 to 6.
8. An exhaust method of a vehicle, characterized by comprising:
acquiring current state information of a vehicle;
rotating an exhaust pipe according to the current state information of the vehicle to adapt the opening orientation of the exhaust pipe to the current state of the vehicle;
the current state information includes state information of the trunk and the engine;
the rotating the exhaust pipe according to the current state information of the vehicle includes:
rotating the exhaust pipe so that an opening of the exhaust pipe faces toward a non-vehicle rear side when the trunk is in an open state and the engine is in an operating state;
when the trunk is in a closed state or the engine is in a closed state, the exhaust pipe is rotated so that the opening of the exhaust pipe faces the rear of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797314.2A CN109458249B (en) | 2017-09-06 | 2017-09-06 | Exhaust system of vehicle, vehicle and exhaust method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797314.2A CN109458249B (en) | 2017-09-06 | 2017-09-06 | Exhaust system of vehicle, vehicle and exhaust method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109458249A CN109458249A (en) | 2019-03-12 |
| CN109458249B true CN109458249B (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710797314.2A Expired - Fee Related CN109458249B (en) | 2017-09-06 | 2017-09-06 | Exhaust system of vehicle, vehicle and exhaust method |
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| Country | Link |
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| CN (1) | CN109458249B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111993893B (en) * | 2020-06-19 | 2021-11-12 | 嘉兴学院 | An on-board hydrogen safety system and method for solar intelligent power supply |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008101479A (en) * | 2006-10-17 | 2008-05-01 | Toyota Motor Corp | Exhaust valve structure, exhaust system heat exchanger, and exhaust system structure |
| CN202707197U (en) * | 2012-04-28 | 2013-01-30 | 奉化市科锐汽车部件有限公司 | Electronic control anti-water device of vent pipe |
| CN205064060U (en) * | 2015-08-05 | 2016-03-02 | 天津市神驰汽车零部件有限公司 | Rotatable blast pipe |
| JP6253632B2 (en) * | 2015-12-24 | 2017-12-27 | 本田技研工業株式会社 | Exhaust system |
| CN205823402U (en) * | 2016-06-29 | 2016-12-21 | 余姚市弘顺机械有限公司 | Vehicle water-proof exhaust pipe and waterproof system |
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2017
- 2017-09-06 CN CN201710797314.2A patent/CN109458249B/en not_active Expired - Fee Related
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| CN109458249A (en) | 2019-03-12 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Vehicle exhaust system, vehicle and exhaust method Effective date of registration: 20211213 Granted publication date: 20201113 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |
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Date of cancellation: 20231201 Granted publication date: 20201113 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd.|Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |
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Granted publication date: 20201113 |