CN202413811U - Air-conditioning air duct system for high-speed motor train unit - Google Patents
Air-conditioning air duct system for high-speed motor train unit Download PDFInfo
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- CN202413811U CN202413811U CN2011205261495U CN201120526149U CN202413811U CN 202413811 U CN202413811 U CN 202413811U CN 2011205261495 U CN2011205261495 U CN 2011205261495U CN 201120526149 U CN201120526149 U CN 201120526149U CN 202413811 U CN202413811 U CN 202413811U
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Abstract
The utility model relates to an air-conditioning air duct system for a high-speed motor train unit, which comprises an air-conditioning set which is communicated with an air supply outlet and a return air inlet inside the train unit through an air supply duct and a return air duct. The air-conditioning set is communicated with a fresh air hole through a fresh air duct. The air-conditioning air duct system for the high-speed motor train unit is characterized in that the air supply duct comprises a middle top air supply duct at the center of the top of the train unit and/or lateral top air supply ducts on lateral top areas on two sides of the train unit, and a plurality of air supply outlets are evenly reserved on the middle top air supply duct and the lateral top air supply ducts. Air is supplied from the center and the two sides of each carriage and is returned from one end of the carriage, so that flowing and distribution of interior air can be adjusted, and the requirement of passengers on comfort is met. In addition, an indoor unit is disposed at one end of each carriage, the return air inlet is reserved at the position close to the indoor unit, and accordingly return air resistance is reduced, interior noise is reduced, and riding comfort is improved.
Description
Technical field
The utility model relates to a kind of air-conditioning duct system, and particularly a kind of air-conditioning duct system that on more speed grade motor train unit, uses belongs to guideway vehicle air-conditioning manufacturing technology field.
Background technology
In middle and high fast motor train unit, every joint compartment generally is equipped with two air-conditioning units, and every air-conditioning unit adopts cellular structure, and air-conditioning unit complete machine is arranged in the car body bottom, also is provided with air interchanger in the car body bottom.The air-conditioning unit is connected with return air inlet with the interior air outlet of car with return airway through supply air duct; Air outlet comprises the compartment inner wind outlet, passes through platform air outlet and sanitary accomodation air outlet; Return air inlet comprises in the compartment return air inlet and through the platform return air inlet; Be provided with useless exhaust outlet in the sanitary accomodation with through platform, useless exhaust outlet is connected with air interchanger through useless air exhausting duct, and air interchanger is connected with the new wind inlet that is positioned at the car body end through the fresh flue.
Supply air duct mainly comprise with air-conditioning unit bonded assembly car down air-supply be connected the air channel; Car down air-supply connects that the air delivery duct is connected in the base plate that passes car body in the air channel and the floor; In the floor air delivery duct pass behind the floor be arranged at the car body side wall in a plurality of windows between the air channel be connected; The top in air channel converges to air delivery duct, car side top between window, and air delivery duct, car side top is along the vertical elongated setting of car body, and the air outlet in the compartment is opened on this air delivery duct, car side top uniformly.
Return airway mainly comprise with air-conditioning unit bonded assembly car under return air be connected the air channel; Return air connects that air return duct is connected in the base plate that passes car body in the air channel and the floor under the car; Air return duct passes in floor and the compartment return air inlet and is connected through the platform return air inlet in the floor; Return air inlet in the car is arranged at the bottom section in the compartment, and operated by rotary motion is at the lower position of seat.
More speed grade motor train unit; No matter be speed or project organization; All with vehicle in the past bigger difference is arranged, the air-conditioning duct system of existing motor train unit can't satisfy the inhomogeneity higher requirement of air-supply in air-tightness and the car, therefore has only to the suitable air conditioner system of the actual conditions development and design of more speed grade motor train unit; Just can make air parameter and air quality in the passenger vehicle reach requirement, for the passenger provides comfortable traveling environment.
Summary of the invention
The utility model main purpose is to address the above problem, and provides a kind of air-tightness good, and air-supply is even, and can satisfy the EMU air-conditioning duct system of vehicle lightweight requirements.
For realizing above-mentioned purpose, the technical scheme of the utility model is:
A kind of EMU air-conditioning duct system; Comprise the air-conditioning unit; Said air-conditioning unit is communicated with air outlet and return air inlet in being arranged at car through supply air duct and return airway; Said air-conditioning unit is communicated with fresh wind port through new wind air channel, and said supply air duct comprises the top supply air duct that is arranged in car body center of top zone and/or is positioned at the side top supply air duct in zone, side top, car body both sides, in said, evenly offers a plurality of air outlets on top supply air duct and the side top supply air duct.
Further, said air-conditioning unit comprises indoor set and off-premises station, and said off-premises station is hung under the car, and said indoor set is installed on an end in compartment, and said indoor set is connected through the refrigerant pipeline with off-premises station.
Further, said return air inlet is arranged at an end in compartment.
Further, said fresh wind port is arranged on the car external position of car body side window top.
Further, said middle top supply air duct is along the elongated setting of length direction of said car body, and air outlet is opened on the lower surface of said middle top supply air duct equably.
Further, said side top supply air duct is along the elongated setting of length direction of said car body, and air outlet is opened on the sidewall of said side top supply air duct equably.
Further, the air outlet of said air-conditioning unit indoor set and said in be provided with the air quantity diversion device that is used to distribute each air channel air quantity between top supply air duct and each the side top supply air duct;
Said air quantity diversion device is one, is used for mating simultaneously the air quantity of said top supply air duct and two side top supply air ducts;
Or said air quantity diversion device is two; Be respectively first part flow arrangement and second part flow arrangement; Said first part flow arrangement is used to mate the air quantity in one of them said side top supply air duct and middle air channel; On said middle air channel, second part flow arrangement is set, said second part flow arrangement is used for mating the air quantity of said top supply air duct and another said side top supply air duct.
Further, said air quantity diversion device is the arc deflector that is arranged in the air channel.
Further; One air-supply blending bin is set at the air outlet place of said air-conditioning unit indoor set; The air outlet of said air-supply blending bin is communicated with said supply air duct; Said air-supply blending bin comprises box-shaped enclosure, on said shell, has ventilation inlet that is communicated with said indoor set and the air outlet that is communicated with said supply air duct, in said shell, is provided with the said air quantity diversion device that is used to shunt.
Further, between the ventilation inlet of said return airway and new wind air channel and said indoor set, be communicated with a return air blending bin.
Content to sum up; The described a kind of EMU air-conditioning duct of the utility model system is from the central authorities and the both sides air-supply in compartment, from an end return air in compartment; Help adjusting air flows and distribution in the car; Make the interior air current composition of car even, guarantee to form more even and stable temperature, humidity, air-flow velocity and cleanliness in the compartment, to satisfy the requirement of passenger's comfort.In addition, indoor set is arranged on an end in compartment, and supply air duct all is arranged on the roof, and return air inlet is arranged at the end near indoor set, helps reducing back wind resistance.Waste gas also helps the air-tightness that guarantees vehicle by being installed on the useless arranging device discharge on the floor in the car in the car.
Description of drawings
Fig. 1 the utility model structural representation;
Fig. 2 is bowing to view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 2;
Fig. 4 is the C-C cutaway view of Fig. 2;
Fig. 5 is the utility model side top supply air duct section structure scheme drawing;
Fig. 6 is top supply air duct and a side top supply air duct flow dividing structure scheme drawing in the utility model;
Fig. 7 is the utility model air-supply blending bin structural representation;
Fig. 8 is the utility model return air blending bin structural representation.
Extremely shown in Figure 8 like Fig. 1, indoor set 1, compartment 2, return airway 3, middle top supply air duct 4, left side of car top supply air duct 5, right side of car top supply air duct 6; Side top air outlet 7, air-supply blending bin 8, car body 9, ventilation inlet 10, air outlet 11, middle air channel 12, air outlet 13; First part flow arrangement 14, sound absorber 15, sound absorption materials 16, sound-absorbing orifice plate 17, warm material 18, the second part flow arrangements 19, new wind air channel 20; Fresh wind port 21, return air blending bin 22, shell 23, ventilation inlet 24, air outlet 25, sound absorption materials 26; Sound-absorbing orifice plate 27, bolt 28, useless arranging device 29, useless air exhausting duct 30, sanitary accomodation 31, light air road 32.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
Embodiment one:
As shown in Figure 1, EMU air-conditioning duct system comprises the air-conditioning unit; In the present embodiment; The air-conditioning unit is a split-type structural, comprises indoor set 1 and off-premises station (not shown), and off-premises station is hung on down; 1 of indoor set is installed on an end in compartment 2, and indoor set 1 is connected through the refrigerant pipeline with off-premises station.The air-conditioning unit adopts split-type structural, can shorten the length in air channel, and then alleviate the total weight in air channel, satisfies the requirement higher to the vehicle weight-saving of more speed grade motor train unit.Simultaneously, the shortening in air channel can also make refrigerating capacity obtain bigger utilization, has reduced the loss of the cold that causes owing to the air channel is long, has improved the refrigerating efficiency of complete machine.
The air outlet of indoor set 1 is communicated with supply air duct; Be used in compartment 2, carrying the air of handling through evaporator; To regulate temperature, humidity and the freshness in the compartment 2; The ventilation inlet of indoor set 1 is communicated with return airway 3, is used for the air in the compartment 2 and new wind flowed in the indoor set 1 carrying out interchange of heat with evaporator.
In the present embodiment, a return air inlet is set in every joint compartment 2, the return air inlet (not shown) is arranged at the end of compartment 2 near indoor set 1, helps reducing back wind resistance.Return air inlet is arranged on the top of the headwall in compartment 2, perhaps is arranged on the top board in compartment 2, and return air inlet adopts the structure of grid, and return air inlet is communicated with return airway 3, and return airway 3 also is positioned at an end in compartment 2.
As shown in Figure 2, supply air duct comprises the top supply air duct 4 that is arranged in 2 center of top zone, compartment, is positioned at the left side of car top supply air duct 5 in zone, a distolateral top, is positioned at the right side of car top supply air duct 6 in zone, Er Weiduan side top.In compartment 2, top supply air duct 4 in can only selecting to be provided with, or only select left side of car top supply air duct 5 and right side of car top supply air duct 6; In the present embodiment, preferred, supply air duct comprises above-mentioned three air channels; From the central authorities in compartment 2 and both sides air-supply in compartment 2 simultaneously, and from the compartment end of 2 is concentrated return air, this air-supply and air return method help adjusting interior air flows of car and distribution; Make the interior air current composition of car more even, satisfy the requirements at the higher level of passenger amenity property in the compartment 2.
Middle top supply air duct 4 is along the elongated setting of the length direction of car body; Middle top supply air duct 4 is rectangular box type construction; In top supply air duct 4 be fixed on the car body 9 through fasteners such as bolts, offer a plurality of top air outlet (not shown)s of in compartment 2, blowing of being used on the lower surface of middle top supply air duct 4 equably through the platform position compartment 2 in.
Left side of car top supply air duct 5 and right side of car top supply air duct 6 are also along the elongated setting of the length direction of car body; As shown in Figure 5; Left side of car top supply air duct 5 is curved box type construction with right side of car top supply air duct 6; The radian of its shape and position, car body side top is complementary; Left side of car top supply air duct 5 is fixed on the car body 9 through bolt 28 fasteners such as grade with right side of car top supply air duct 6, on the sidewall of left side of car top supply air duct 5 and right side of car top supply air duct 6, all evenly offers a plurality of side top air outlets 7 that are used for air-supply in compartment 2, and side top air outlet 7 is positioned at the top of compartment 2 both sides baggage racks.
Like Fig. 3 and shown in Figure 7; One air-supply blending bin 8 is set at the air outlet place of air-conditioning unit indoor set 1; Air-supply blending bin 8 is the part of supply air duct; The air that is used for coming out from the air outlet of indoor set 1 mixes and then distributes according to air quantity, is both to reduce air-conditioning unit and pneumatic noise.Air-supply blending bin 8 comprises box-shaped enclosure 9, and shell 9 is captiveed joint with the housing of indoor set 1 through bolt.On shell 9, have the ventilation inlet 10 that is communicated with indoor set 1, the air outlet 11 that is communicated with left side of car top supply air duct 5, with the air outlet 13 that middle air channel 12 is communicated with, middle air channel 12 is communicated with middle top supply air duct 4 and right side of car top supply air duct 6 respectively again.
In air-supply blending bin 8, be provided with first part flow arrangement that is used to shunt; First part flow arrangement 14 is the arc deflector that is arranged in the shell 9; Deflecting plate is set to two, is used to mate the air quantity of carrying to left side of car top supply air duct 5 and middle air channel 12 from air outlet 11 and air outlet 13.Deflecting plate adopts aluminium sheet, on aluminium sheet, is covered with glass silk flosssilk wadding sound absorber 15 again, has several sound-absorption hole on the aluminium sheet, plays the effect of absorbing sound and lowering noise preferably, also helps expendable weight simultaneously.
In order further to reduce noise, on the inwall of the shell 9 of air-supply blending bin 8, apply one deck glass silk flosssilk wadding sound absorption materials 16 again, in the outside of sound absorption materials 16 one deck sound-absorbing orifice plate 17 is set again.In order to prevent shell 9 dewfall, in order to guarantee that cold does not lose, on the outer wall of shell 9, apply the quiet De Er warm material 18 of one deck simultaneously.Be expendable weight, shell 9 and sound-absorbing orifice plate 17 all adopt aluminium sheet.
As shown in Figure 6; Middle air channel 12 is used for being communicated with top supply air duct 4 and right side of car top supply air duct 6; In middle air channel 12, be provided with second part flow arrangement 19; Second part flow arrangement 19 is an arc deflector, and this deflecting plate is used for mating the air quantity of carrying to right side of car top supply air duct 6 and top supply air duct 4.This deflecting plate is a glass-reinforced plastic material, is covered with the PE warm material in both sides, and to prevent dewfall, glass-felt plastic has intensity preferably, and weight is lighter, is easy to shape.
Between a car compartment 2 and driver's cab (not shown); One indoor set 1 is set, and top supply air duct 4 and/or left side of car top supply air duct 5 and right side of car top supply air duct 6 during the top board in the driver's cab is provided with are in the present embodiment; For expendable weight; Preferably, top supply air duct 4 in driver's cab, only being provided with, the middle top supply air duct 4 in the driver's cab are to be extended in the past by the middle top supply air duct in the car compartment 24.The return air inlet of driver's cab is arranged on the rear end door or back headwall of driver's cab; The return air inlet of driver's cab is communicated with return airway; This return airway is communicated with the return airway 3 in compartment 2, gets into indoor set 1 more together after the return air in the return air of driver's cab and the car compartment 2 gathers.
As shown in Figure 4; Indoor set 1 also is communicated with a new wind air channel 20, and the fresh wind port 21 of new 20 ends, wind air channel is arranged on the car external position on car body side window upper side top, and fresh wind port 21 places are provided with a new air valve; After the ambient pressure variation exceeds setting value; New air valve is closed in the pressure protective device action, can suppress the fluctuation of pressure in the car like this, improves travelling comfort.
As shown in Figure 4; Between the ventilation inlet of return airway 3 and new wind air channel 20 and indoor set 1, be communicated with a return air blending bin 22; Return air blending bin 22 is the part of return airway 3, in order to mixing with new wind from the return air that return airway 3 and new wind air channel 20 get into.As shown in Figure 8, return air blending bin 22 comprises a box-shaped enclosure 23, and shell 23 is provided with the ventilation inlet 24 that is communicated with return airway 3 and new wind air channel 20, the air outlet 25 that is communicated with indoor set 1.
In order to reduce noise, on the inwall of the shell 23 of return air blending bin 22, apply one deck glass silk flosssilk wadding sound absorption materials 26 again, in the outside of sound absorption materials 26 one deck sound-absorbing orifice plate 27 is set again.In order to prevent shell 23 dewfall, in order to guarantee that cold does not lose, on the outer wall of shell 23, apply one deck warm material 28 simultaneously.Be expendable weight, orifice plate 27 all adopts aluminium sheet between shell 23 and suction.
As depicted in figs. 1 and 2, be installed with useless arranging device 29 on the floor in car, useless arranging device 29 is communicated with sanitary accomodation 31 interior useless exhaust outlets through useless air exhausting duct 30.Exhaust outlet place at useless arranging device 29 is provided with operated pneumatic valve, when ambient pressure is excessive, and operated pneumatic valve meeting SELF CL, and then guarantee air-tightness in the car.
Like Fig. 3 and shown in Figure 4; All be connected one section light air road 32 in air-supply blending bin 8 and return air blending bin 22 with junction between each air channel; Be connected through one section light air road 32 too between middle air channel and the right side of car top supply air duct; The vibration in air channel in the time of can reducing the vehicle high-speed cruising like this reduces internal car noise.
Embodiment two:
Be with embodiment one difference; Between the air outlet of air-conditioning unit indoor set 1 and middle top supply air duct 4, left side of car top supply air duct 5 and right side of car top supply air duct 6, be provided with the air quantity diversion device that is used for distributing simultaneously each air channel air quantity, this air quantity diversion device only is provided with one.
The air quantity diversion device can be arranged on a plurality of deflecting plates in the air-supply blending bin 8; Be used for distributing simultaneously the air quantity of top supply air duct 4, left side of car top supply air duct 5 and right side of car top supply air duct 6; At this moment; Air-supply blending bin 8 has three air outlets, top supply air duct 4, left side of car top supply air duct 5 and right side of car top supply air duct 6 in being communicated with respectively.
Embodiment three:
Be with embodiment two differences; 8 of blending bins of air-supply have an air outlet; Behind a middle air channel; The top in air channel in the middle of the air quantity diversion device is arranged on, the air quantity diversion device is a plurality of deflecting plates too, is used for distributing simultaneously the air quantity of top supply air duct 4, left side of car top supply air duct 5 and right side of car top supply air duct 6.
Embodiment four:
Be with the foregoing description difference; The air-conditioning unit also can adopt the unitary air conditioner unit; Air-conditioning unit integral body is placed under the car, and middle top supply air duct 4, left side of car top supply air duct 5, right side of car top supply air duct 6, return airway 3 and new wind air channel 20 need pass that the air-conditioning unit is connected under floor and the car.
As stated, in conjunction with accompanying drawing and the given scheme content of embodiment, can derive the similar techniques scheme.In every case be the content that does not break away from the utility model technical scheme, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of the utility model technical scheme according to the technical spirit of the utility model.
Claims (10)
1. EMU air-conditioning duct system; Comprise the air-conditioning unit; Said air-conditioning unit is communicated with air outlet and return air inlet in being arranged at car through supply air duct and return airway; Said air-conditioning unit is communicated with fresh wind port through new wind air channel; It is characterized in that: said supply air duct comprises the top supply air duct that is arranged in car body center of top zone and/or is positioned at the side top supply air duct in zone, side top, car body both sides, in said, evenly offers a plurality of air outlets on top supply air duct and the side top supply air duct.
2. EMU air-conditioning duct according to claim 1 system; It is characterized in that: said air-conditioning unit comprises indoor set and off-premises station; Said off-premises station is hung under the car, and said indoor set is installed on an end in compartment, and said indoor set is connected through the refrigerant pipeline with off-premises station.
3. EMU air-conditioning duct according to claim 1 system, it is characterized in that: said return air inlet is arranged at an end in compartment.
4. EMU air-conditioning duct according to claim 1 system is characterized in that: said fresh wind port is arranged on the car external position of car body side window top.
5. EMU air-conditioning duct according to claim 1 system is characterized in that: in said the top supply air duct along the elongated setting of length direction of said car body, air outlet be opened in equably said on the lower surface of top supply air duct.
6. EMU air-conditioning duct according to claim 1 system is characterized in that: said side top supply air duct is along the elongated setting of length direction of said car body, and air outlet is opened on the sidewall of said side top supply air duct equably.
7. EMU air-conditioning duct according to claim 2 system is characterized in that: the air outlet of said air-conditioning unit indoor set and said in be provided with the air quantity diversion device that is used to distribute each air channel air quantity between top supply air duct and each the side top supply air duct;
Said air quantity diversion device is one, is used for mating simultaneously the air quantity of said top supply air duct and two side top supply air ducts;
Or said air quantity diversion device is two; Be respectively first part flow arrangement and second part flow arrangement; Said first part flow arrangement is used to mate the air quantity in one of them said side top supply air duct and middle air channel; On said middle air channel, second part flow arrangement is set, said second part flow arrangement is used for mating the air quantity of said top supply air duct and another said side top supply air duct.
8. EMU air-conditioning duct according to claim 7 system, it is characterized in that: said air quantity diversion device is the arc deflector that is arranged in the air channel.
9. EMU air-conditioning duct according to claim 7 system; It is characterized in that: an air-supply blending bin is set at the air outlet place of said air-conditioning unit indoor set; The air outlet of said air-supply blending bin is communicated with said supply air duct; Said air-supply blending bin comprises box-shaped enclosure, on said shell, has ventilation inlet that is communicated with said indoor set and the air outlet that is communicated with said supply air duct, in said shell, is provided with the said air quantity diversion device that is used to shunt.
10. EMU air-conditioning duct according to claim 1 system is characterized in that: between the ventilation inlet of said return airway and new wind air channel and said indoor set, be communicated with a return air blending bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205261495U CN202413811U (en) | 2011-12-15 | 2011-12-15 | Air-conditioning air duct system for high-speed motor train unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205261495U CN202413811U (en) | 2011-12-15 | 2011-12-15 | Air-conditioning air duct system for high-speed motor train unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202413811U true CN202413811U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205261495U Expired - Lifetime CN202413811U (en) | 2011-12-15 | 2011-12-15 | Air-conditioning air duct system for high-speed motor train unit |
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| CN (1) | CN202413811U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158732A (en) * | 2011-12-15 | 2013-06-19 | 南车青岛四方机车车辆股份有限公司 | Air conditioning air duct system of high-speed motor train unit |
| CN104554314A (en) * | 2015-01-12 | 2015-04-29 | 南车青岛四方机车车辆股份有限公司 | Urban rail vehicle air conditioning and ventilation system and urban rail vehicle |
| CN104709300A (en) * | 2015-01-27 | 2015-06-17 | 南车青岛四方机车车辆股份有限公司 | High-speed train, train body and machining method of train body |
| CN105035106A (en) * | 2014-03-20 | 2015-11-11 | 阿尔斯通运输科技简易股份公司 | Air-conditioning device for a railway vehicle having at least two carriages |
| CN105835895A (en) * | 2016-03-31 | 2016-08-10 | 山东朗进科技股份有限公司 | Air conditioning system for railway vehicle and air treatment method |
-
2011
- 2011-12-15 CN CN2011205261495U patent/CN202413811U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158732A (en) * | 2011-12-15 | 2013-06-19 | 南车青岛四方机车车辆股份有限公司 | Air conditioning air duct system of high-speed motor train unit |
| CN103158732B (en) * | 2011-12-15 | 2016-01-20 | 南车青岛四方机车车辆股份有限公司 | Speed motor train unit air conditioner ducting system |
| CN105035106A (en) * | 2014-03-20 | 2015-11-11 | 阿尔斯通运输科技简易股份公司 | Air-conditioning device for a railway vehicle having at least two carriages |
| CN105035106B (en) * | 2014-03-20 | 2019-06-18 | 阿尔斯通运输科技简易股份公司 | Air-conditioning equipment for the rolling stock at least two compartments |
| CN104554314A (en) * | 2015-01-12 | 2015-04-29 | 南车青岛四方机车车辆股份有限公司 | Urban rail vehicle air conditioning and ventilation system and urban rail vehicle |
| CN104554314B (en) * | 2015-01-12 | 2017-05-24 | 中车青岛四方机车车辆股份有限公司 | Urban rail vehicle air conditioning and ventilation system and urban rail vehicle |
| CN104709300A (en) * | 2015-01-27 | 2015-06-17 | 南车青岛四方机车车辆股份有限公司 | High-speed train, train body and machining method of train body |
| CN104709300B (en) * | 2015-01-27 | 2018-08-03 | 中车青岛四方机车车辆股份有限公司 | Bullet train, car body and its processing method |
| CN105835895A (en) * | 2016-03-31 | 2016-08-10 | 山东朗进科技股份有限公司 | Air conditioning system for railway vehicle and air treatment method |
| CN105835895B (en) * | 2016-03-31 | 2018-08-31 | 山东朗进科技股份有限公司 | Railway vehicle air conditioner system and air-treatment method |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
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| CX01 | Expiry of patent term |