CN207859904U - A kind of vehicle window noise reduction item, noise reduction vehicle window and the car with the noise reduction vehicle window - Google Patents

A kind of vehicle window noise reduction item, noise reduction vehicle window and the car with the noise reduction vehicle window Download PDF

Info

Publication number
CN207859904U
CN207859904U CN201721770902.9U CN201721770902U CN207859904U CN 207859904 U CN207859904 U CN 207859904U CN 201721770902 U CN201721770902 U CN 201721770902U CN 207859904 U CN207859904 U CN 207859904U
Authority
CN
China
Prior art keywords
vehicle window
noise reduction
flow
item
disturbing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721770902.9U
Other languages
Chinese (zh)
Inventor
宋昕
李元伟
田杰安
姜德军
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.)
Yutong Bus Co Ltd
Original Assignee
Zhengzhou Yutong Bus 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 Zhengzhou Yutong Bus Co Ltd filed Critical Zhengzhou Yutong Bus Co Ltd
Priority to CN201721770902.9U priority Critical patent/CN207859904U/en
Application granted granted Critical
Publication of CN207859904U publication Critical patent/CN207859904U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Air-Conditioning For Vehicles (AREA)

Abstract

The utility model is related to a kind of vehicle window noise reduction item, noise reduction vehicle window and cars with the noise reduction vehicle window, vehicle window noise reduction front end have along air current flow direction from the front to the back gradually outward raised water conservancy diversion inclined-plane, vehicle window noise reduction upper edge length direction arranged for interval has multiple front and back flow-disturbing slots penetrated through, the flow-disturbing slot to extend setpoint distance inwards by the outside of the vehicle window noise reduction item.Compared with prior art, noise reduction item itself has water conservancy diversion inclined-plane, and driving mechanism need not be arranged and carry out angular adjustment, suitable for being installed on the window driver of car;The flow-disturbing slot being equipped with can shunt air shear layer, drop low wind noise.

Description

A kind of vehicle window noise reduction item, noise reduction vehicle window and the car with the noise reduction vehicle window
Technical field
The utility model is related to a kind of vehicle window noise reduction item, noise reduction vehicle window and cars with the noise reduction vehicle window.
Background technology
In public transport, car plays the key player for traffic trip of serving the general public.As people are to ride comfort The requirement of degree is constantly promoted, and interior noise is then concerned as comfort level important indicator.When outside air temperature is not high, driver is often It is ventilative to like opening window driver, as speed is continuously improved, wind that window driver generates, which is made an uproar, to be more and more obvious, to driver bring compared with The experience of difference.
But after window driver unlatching, compartment driver's window position is formed cavity, in the leading edge of window driver opening(On At air port)Place there is unstable shear layer, vortex that shear layer is formed aperture position fall off and with air-flow together to After flow, when they strike the rear of opening, vortex breakdown, generate one to four sides propagate pressure wave, pressure wave pass To opening leading edge when will cause falling off of being vortexed again, this process can repeat many times each second, therefore can cause to shear Layer generates a specific vibration frequency, if this frequency is identical as the intrinsic frequency in compartment, it will resonates, and then produces Life is easy that driver and passenger is made to have the fidgets and tired noise.
Application publication number is that the patent document of CN102514635A discloses a kind of automobile sunroof spoiler, which is Dentalation, and the flow spoiler is arranged in the front of skylight, and flow spoiler side is equipped with control mechanism to control flow spoiler rotation And then adjust flow spoiler angle.The flow spoiler avoids being vortexed after skylight along broken by walking the vortex guiding to fall off, into And reduce noise.But the flow spoiler of above-mentioned dentalation is when in use, needs to adjust the angle of flow spoiler using controller Section is unsuitable on the window driver of car.
Utility model content
The purpose of this utility model is to provide a kind of vehicle window noise reduction items, are unsuitable for pacifying to solve flow spoiler in the prior art Technical problem on the window driver of car, the utility model also provide a kind of noise reduction vehicle window and the visitor using noise reduction vehicle window Vehicle.
To achieve the above object, the utility model provides the technical solution 1 of vehicle window noise reduction item:A kind of vehicle window noise reduction item, vehicle Window noise reduction front end has along air current flow direction gradual raised water conservancy diversion inclined-plane outward from the front to the back, on the vehicle window noise reduction item Along length direction, arranged for interval has multiple front and back flow-disturbing slots penetrated through, the flow-disturbing slot by the vehicle window noise reduction item outside Extend setpoint distance inwards.
The utility model has the beneficial effects that:There is vehicle window noise reduction item water conservancy diversion inclined-plane, vehicle window noise reduction item to be equipped with front and back pass through Logical flow-disturbing slot, compared with prior art, noise reduction item itself have water conservancy diversion inclined-plane, and driving mechanism need not be arranged and carry out angle tune Section, suitable for being installed on the window driver of car;The flow-disturbing slot being equipped with can shunt air shear layer, drop low wind noise.
It is improved to obtain technical solution 2 on the basis of vehicle window noise reduction technical solution 1:The groove width edge of the flow-disturbing slot Air current flow direction gradually increases from the front to the back.Flow-disturbing slot can be such that the air velocity at this reduces, after reducing vehicle window noise reduction item The frequency of the vortex just generated, and then the frequency being vortexed preferably is avoided to promote noise reduction close to the intrinsic frequency in compartment.
It is improved to obtain technical solution 3 on the basis of vehicle window noise reduction technical solution 2:Two side channels of the flow-disturbing slot The angle of wall and horizontal plane is more than 0 degree and is less than 75 degree.
It is improved to obtain technical solution 4 on the basis of vehicle window noise reduction technical solution 1:Outside the vehicle window noise reduction item Portion has the transition connection portion for being connect with skin transition.There are difference in height between skin and rear glass plate, Form gap, the gap can excite sound wave in the gas flow when bus driving, and the transition connection portion of vehicle window noise reduction item can To carrying out transition at rear glass plate and skin, and then the noise generated when window driver is closed is reduced, while can also subtracted The air drag that few opening position is brought.
It is improved to obtain technical solution 5 on the basis of vehicle window noise reduction technical solution 1:The vehicle window noise reduction item is cut Face is right angled triangle, and face where the hypotenuse forms the water conservancy diversion inclined-plane.
It is improved to obtain technical solution 6 on the basis of any one of vehicle window noise reduction technical solution 1 to 5:It is described It is trapezoidal zigzag or triangle zigzag that flow-disturbing slot observes shape along air current flow direction from front to back, and the flow-disturbing slot is along vertical It is trapezoidal zigzag or triangle zigzag to observe shape in air current flow direction and the vehicle window noise reduction extending direction.
The utility model provides a kind of technical solution 1 of noise reduction vehicle window:A kind of noise reduction vehicle window, including can be before front and back push-and-pull Side glass plate and rear glass plate, the inner setting of rear glass plate, the rear glass plate are equipped with vehicle window noise reduction item, institute State vehicle window noise reduction front end have along air current flow direction from the front to the back gradually outward raised water conservancy diversion inclined-plane, the vehicle window noise reduction Upper edge length direction arranged for interval has multiple front and back flow-disturbing slots penetrated through, and the flow-disturbing slot is by the vehicle window noise reduction item Outside extends setpoint distance inwards.
It is improved to obtain technical solution 2 on the basis of noise reduction vehicle window technical solution 1:The groove width of the flow-disturbing slot is along gas Stream flow direction gradually increases from the front to the back.
It is improved to obtain technical solution 3 on the basis of noise reduction vehicle window technical solution 2:The both sides cell wall of the flow-disturbing slot It is more than 0 degree with the angle of horizontal plane and is less than 75 degree.
It is improved to obtain technical solution 4 on the basis of noise reduction vehicle window technical solution 1:The outside of the vehicle window noise reduction item With the transition connection portion for being connect with skin transition.
It is improved to obtain technical solution 5 on the basis of noise reduction vehicle window technical solution 1:The section of the vehicle window noise reduction item For right angled triangle, face where the hypotenuse forms the water conservancy diversion inclined-plane.
It is improved to obtain technical solution 6 on the basis of any one of noise reduction vehicle window technical solution 1 to 5:It is described to disturb It is trapezoidal zigzag or triangle zigzag that chute observes shape along air current flow direction from front to back, the flow-disturbing slot along perpendicular to Air current flow direction and vehicle window noise reduction extending direction observation shape are trapezoidal zigzag or triangle zigzag.
The utility model provides a kind of technical solution 1 of car:A kind of car, including skin and be set to skin On vehicle window, the vehicle window include can the front and back front glass plate pushed and pulled and rear glass plate, the rear glass plate is inner to be set Set, the rear glass plate be equipped with vehicle window noise reduction item, vehicle window noise reduction front end have along air current flow direction from the front to the back by Gradually raised water conservancy diversion inclined-plane, vehicle window noise reduction upper edge length direction arranged for interval have disturbing for multiple front and back perforations outward Chute, the flow-disturbing slot extend setpoint distance inwards by the outside of the vehicle window noise reduction item.
It is improved to obtain technical solution 2 on the basis of Bus Technology scheme 1:The groove width of the flow-disturbing slot is along air-flow stream Dynamic direction gradually increases from the front to the back.
It is improved to obtain technical solution 3 on the basis of Bus Technology scheme 2:The both sides cell wall and water of the flow-disturbing slot The angle of plane is more than 0 degree and is less than 75 degree.
It is improved to obtain technical solution 4 on the basis of Bus Technology scheme 1:The outside of the vehicle window noise reduction item has The transition connection portion being connect with the skin transition at vehicle window.
It is improved to obtain technical solution 5 on the basis of Bus Technology scheme 1:The section of the vehicle window noise reduction item is straight Angle triangle, face where the hypotenuse form the water conservancy diversion inclined-plane.
It is improved to obtain technical solution 6 on the basis of Bus Technology scheme 1:In the vehicle window on the skin Top is equipped with gutter channel.When spot or spray water cleaning front windshield when, gutter channel can prevent the water wafted to a certain extent Drop enters in compartment.
It is improved to obtain technical solution 7 on the basis of any one of Bus Technology scheme 1 to 6:The flow-disturbing slot It is trapezoidal zigzag or triangle zigzag to observe shape from front to back along air current flow direction, and the flow-disturbing slot is along perpendicular to air-flow Flow direction and vehicle window noise reduction extending direction observation shape are trapezoidal zigzag or triangle zigzag.
Description of the drawings
Fig. 1 provides the three-dimensional structure diagram of vehicle window noise reduction embodiment for the utility model;
Fig. 2 is the front view of vehicle window noise reduction embodiment shown in Fig. 1;
Fig. 3 is the vertical view of vehicle window noise reduction embodiment shown in Fig. 1;
Fig. 4 provides the closed state schematic diagram of noise reduction vehicle window embodiment for the utility model;
Fig. 5 is the opening state schematic diagram of noise reduction vehicle window embodiment shown in Fig. 4;
Fig. 6 is the vertical view of noise reduction vehicle window embodiment closed state schematic diagram shown in Fig. 4;
In attached drawing:1- vehicle window noise reduction items, 2- flow-disturbing slots, 3- water conservancy diversion inclined-plane, 4- rear glass plates, 5- front glass plates, 6- Skin.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The utility model provides the specific embodiment of vehicle window noise reduction item, and as shown in Figure 1 to Figure 3, vehicle window noise reduction item 1 is rubber Material and the strip triangular prism that section is right angled triangle, there are six strip triangular prism upper edge itself extending direction arranged for interval The flow-disturbing slot 2 of front and back perforation, vehicle window noise reduction item 1 have from the front to the back gradually outside raised water conservancy diversion inclined-plane 3, the tool of water conservancy diversion inclined-plane 3 Body is a side of triangular prism, and flow-disturbing slot extends setpoint distance inwards by the top of vehicle window noise reduction item, wherein the slot of flow-disturbing slot Width gradually increases from the front to the back along air current flow direction, and the both sides cell wall of flow-disturbing slot and the angle of horizontal plane are more than 0 degree and are less than 75 degree, in addition, the outside of vehicle window noise reduction item has the transition connection portion being connect with the skin transition at vehicle window.
It is observed from front to back along air current flow direction, the shape of flow-disturbing slot 2 is trapezoidal zigzag, is flowed along perpendicular to air-flow Direction and the observation of 1 extending direction of vehicle window noise reduction item, the shape of flow-disturbing slot 2 are also trapezoidal zigzag, the length of vehicle window noise reduction item 1 with The rear glass plate 4 of window driver is consistent, and vehicle window noise reduction item 1 is pasted onto by adhesive on rear glass plate 4.
The advantage of the vehicle window noise reduction item is that noise reduction item itself has water conservancy diversion inclined-plane, and driving mechanism progress need not be arranged Angular adjustment, suitable for being installed on the window driver of car;The flow-disturbing slot 2 having can reduce by 1 rear of vehicle window noise reduction item and form whirlpool The frequency of rotation preferably avoids the frequency being vortexed close to the intrinsic frequency in compartment, promotes noise reduction.
In other examples, vehicle window noise reduction item is observed from the front to the back, the shape of flow-disturbing slot be alternatively triangle zigzag, Arcuate serrated shape etc., by perpendicular to air current flow direction and the observation of vehicle window noise reduction extending direction, flow-disturbing groove shape can be triangle Zigzag, arcuate serrated shape etc..
It is provided with six flow-disturbing slots in above-mentioned vehicle window noise reduction embodiment, can be increased in other embodiments according to actual conditions Add deduct the quantity of few flow-disturbing slot.
Vehicle window noise reduction item is rubber material in above-mentioned vehicle window noise reduction embodiment, in other embodiments, according to using need It asks, vehicle window noise reduction item is alternatively the other materials such as resin.
Vehicle window noise reduction item is triangular prism shape in above-mentioned vehicle window noise reduction embodiment, in other embodiments can be according to reality The section of vehicle window noise reduction item is set as arc-shaped or trapezoidal etc. by service condition.
Vehicle window noise reduction item is pasted onto on rear glass plate in above-mentioned vehicle window noise reduction embodiment, in other embodiments Vehicle window noise reduction item can be fixed on A columns.The present embodiment has the beneficial effect that:Vehicle window noise reduction item is fixed on A columns, can be subtracted The noise that small front glass plate generates when opening.
The utility model provides a kind of embodiment of noise reduction vehicle window, and as shown in Figs. 4-6, noise reduction vehicle window includes that front and back can push away The rear glass plate 4 and front glass plate 5 of drawing, the 4 inner setting of rear glass plate, rear glass plate 4 are equipped with vehicle window noise reduction item, Wherein the structure of vehicle window noise reduction item is consistent with the structure of vehicle window noise reduction item in above-mentioned vehicle window noise reduction embodiment, no longer superfluous herein It states.
The utility model provides a kind of embodiment of car, and car includes skin and the vehicle on vehicle sound covering Window, vehicle window include can the front and back front glass plate pushed and pulled and rear glass plate, the inner setting of rear glass plate, on rear glass plate Equipped with vehicle window noise reduction item, gutter channel, the wherein structure of vehicle window noise reduction item and above-mentioned vehicle window are equipped on skin above vehicle window Structure in noise reduction embodiment is consistent, and details are not described herein.

Claims (19)

1. a kind of vehicle window noise reduction item, it is characterised in that:Vehicle window noise reduction front end has gradual from the front to the back along air current flow direction Outside raised water conservancy diversion inclined-plane, vehicle window noise reduction upper edge length direction arranged for interval have multiple front and back flow-disturbings penetrated through Slot, the flow-disturbing slot extend setpoint distance inwards by the outside of the vehicle window noise reduction item.
2. vehicle window noise reduction item according to claim 1, it is characterised in that:The groove width of the flow-disturbing slot is along air current flow direction Gradually increase from the front to the back.
3. vehicle window noise reduction item according to claim 2, it is characterised in that:The both sides cell wall of the flow-disturbing slot and horizontal plane Angle is more than 0 degree and is less than 75 degree.
4. vehicle window noise reduction item according to claim 1, it is characterised in that:The outside of the vehicle window noise reduction item have for The transition connection portion of skin transition connection.
5. vehicle window noise reduction item according to claim 1, it is characterised in that:The section of the vehicle window noise reduction item is right angle trigonometry Shape, face where the hypotenuse form the water conservancy diversion inclined-plane.
6. vehicle window noise reduction item as claimed in any of claims 1 to 5, it is characterised in that:The flow-disturbing slot is along air-flow It is trapezoidal zigzag or triangle zigzag that shape is observed in flow direction from front to back, and the flow-disturbing slot is along perpendicular to air-flow flowing side It is trapezoidal zigzag or triangle zigzag to shape is observed with the vehicle window noise reduction extending direction.
7. a kind of noise reduction vehicle window, including can the front and back front glass plate pushed and pulled and rear glass plate, the rear glass plate it is inner Setting, it is characterised in that:The rear glass plate is equipped with vehicle window noise reduction item, and the vehicle window noise reduction front end has along air-flow stream Gradually raised water conservancy diversion inclined-plane, vehicle window noise reduction upper edge length direction arranged for interval have outward from the front to the back in dynamic direction Multiple front and back flow-disturbing slots penetrated through, the flow-disturbing slot extend setpoint distance inwards by the outside of the vehicle window noise reduction item.
8. noise reduction vehicle window according to claim 7, it is characterised in that:The groove width of the flow-disturbing slot along air current flow direction by Gradually increase after forward direction.
9. noise reduction vehicle window according to claim 8, it is characterised in that:The folder of the both sides cell wall and horizontal plane of the flow-disturbing slot Angle is more than 0 degree and is less than 75 degree.
10. noise reduction vehicle window according to claim 7, it is characterised in that:The outside of the vehicle window noise reduction item have for The transition connection portion of skin transition connection.
11. noise reduction vehicle window according to claim 7, it is characterised in that:The section of the vehicle window noise reduction item is right angle trigonometry Shape, face where the hypotenuse form the water conservancy diversion inclined-plane.
12. the noise reduction vehicle window according to any one of claim 7 to 11, it is characterised in that:The flow-disturbing slot is along air-flow It is trapezoidal zigzag or triangle zigzag that shape is observed in flow direction from front to back, and the flow-disturbing slot is along perpendicular to air-flow flowing side It is trapezoidal zigzag or triangle zigzag to shape is observed with the vehicle window noise reduction extending direction.
13. a kind of car, including skin and the vehicle window on skin, the vehicle window includes before front and back can pushing and pulling Side glass plate and rear glass plate, the inner setting of rear glass plate, it is characterised in that:The rear glass plate is equipped with vehicle Window noise reduction item, vehicle window noise reduction front end have along air current flow direction from the front to the back gradually outward raised water conservancy diversion inclined-plane, it is described Vehicle window noise reduction upper edge length direction arranged for interval has multiple front and back flow-disturbing slots penetrated through, and the flow-disturbing slot is by the vehicle window The outside of noise reduction item extends setpoint distance inwards.
14. car according to claim 13, it is characterised in that:The groove width of the flow-disturbing slot is along air current flow direction by preceding Gradually increase backward.
15. car according to claim 14, it is characterised in that:The angle of the both sides cell wall and horizontal plane of the flow-disturbing slot More than 0 degree and it is less than 75 degree.
16. car according to claim 13, it is characterised in that:The outside of the vehicle window noise reduction item have at vehicle window The transition connection portion of the skin transition connection.
17. car according to claim 13, it is characterised in that:The section of the vehicle window noise reduction item is right angled triangle, Face where the hypotenuse forms the water conservancy diversion inclined-plane.
18. car according to claim 13, it is characterised in that:Stream is equipped on the skin above the vehicle window Sink.
19. the car according to any one of claim 13 to 18, it is characterised in that:The flow-disturbing slot is flowed along air-flow It is trapezoidal zigzag or triangle zigzag that shape is observed in direction from front to back, the flow-disturbing slot along perpendicular to air current flow direction and The vehicle window noise reduction extending direction observation shape is trapezoidal zigzag or triangle zigzag.
CN201721770902.9U 2017-12-18 2017-12-18 A kind of vehicle window noise reduction item, noise reduction vehicle window and the car with the noise reduction vehicle window Active CN207859904U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721770902.9U CN207859904U (en) 2017-12-18 2017-12-18 A kind of vehicle window noise reduction item, noise reduction vehicle window and the car with the noise reduction vehicle window

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721770902.9U CN207859904U (en) 2017-12-18 2017-12-18 A kind of vehicle window noise reduction item, noise reduction vehicle window and the car with the noise reduction vehicle window

Publications (1)

Publication Number Publication Date
CN207859904U true CN207859904U (en) 2018-09-14

Family

ID=63469435

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721770902.9U Active CN207859904U (en) 2017-12-18 2017-12-18 A kind of vehicle window noise reduction item, noise reduction vehicle window and the car with the noise reduction vehicle window

Country Status (1)

Country Link
CN (1) CN207859904U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111762006A (en) * 2020-07-07 2020-10-13 浙江吉利汽车研究院有限公司 Jet flow device and vehicle
CN111923840A (en) * 2019-05-13 2020-11-13 本田技研工业株式会社 External sensor mounting part structure
CN112796242A (en) * 2019-11-14 2021-05-14 中车长春轨道客车股份有限公司 Damping and noise-reducing windshield flow guiding device
CN113844551A (en) * 2021-09-28 2021-12-28 浙江零跑科技股份有限公司 Self-adaptation passenger car spoiler

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111923840A (en) * 2019-05-13 2020-11-13 本田技研工业株式会社 External sensor mounting part structure
US11535174B2 (en) * 2019-05-13 2022-12-27 Honda Motor Co., Ltd. External sensor attachment portion structure
CN111923840B (en) * 2019-05-13 2023-06-20 本田技研工业株式会社 External sensor mounting part structure
CN112796242A (en) * 2019-11-14 2021-05-14 中车长春轨道客车股份有限公司 Damping and noise-reducing windshield flow guiding device
CN111762006A (en) * 2020-07-07 2020-10-13 浙江吉利汽车研究院有限公司 Jet flow device and vehicle
CN111762006B (en) * 2020-07-07 2022-04-08 浙江吉利汽车研究院有限公司 Jet flow device and vehicle
CN113844551A (en) * 2021-09-28 2021-12-28 浙江零跑科技股份有限公司 Self-adaptation passenger car spoiler

Similar Documents

Publication Publication Date Title
CN207859904U (en) A kind of vehicle window noise reduction item, noise reduction vehicle window and the car with the noise reduction vehicle window
US7794011B2 (en) Aerodynamic properties of ground vehicles
JP6317782B2 (en) Non-powered dust collector
EP2969715B1 (en) Improvements in the fuel efficiency of road vehicles
JP6682520B2 (en) Vehicle air flow control device
JP2016074294A (en) Side part structure of vehicle body
JP4161201B2 (en) Air resistance reduction device for automobiles
CN201703437U (en) Car side sealing structure
CN102917896B (en) Vehicle window section structure
CN109484139B (en) Device for reducing wind vibration noise of rear side window of automobile and control method
US20160288632A1 (en) Vehicle sunroof wind deflector
JPS61249879A (en) Aerodynamic device for passenger car
CN206871203U (en) A kind of air-spray noise reduction skylight spoiler
CN202546939U (en) Cabinet air conditioner
CN106364404A (en) Rear view mirror diversion structure and automobile
CN203623344U (en) Front side window rain shield of novel car
CN103660886B (en) A kind of car front window rain gear strengthening ventilation comfort
CN210882130U (en) Obstacle deflector with sawtooth-shaped spoiler at rear end
CN207670513U (en) A kind of vehicle deflector device
JP2012126326A (en) Side vehicle body structure of vehicle
JP3058877B1 (en) Automotive indoor air emission promotion members
JP7502133B2 (en) vehicle
KR101515355B1 (en) Prevention member for wind noise of front glass of the vehicle
CN114619859B (en) Automobile external water cutter and automobile
CN204846090U (en) Freight train roof water conservancy diversion structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province

Patentee after: Yutong Bus Co.,Ltd.

Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou

Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd.