CN202213585U - Air-conditioning ventilation system of high-speed railway vehicle - Google Patents
Air-conditioning ventilation system of high-speed railway vehicle Download PDFInfo
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- CN202213585U CN202213585U CN2011203204267U CN201120320426U CN202213585U CN 202213585 U CN202213585 U CN 202213585U CN 2011203204267 U CN2011203204267 U CN 2011203204267U CN 201120320426 U CN201120320426 U CN 201120320426U CN 202213585 U CN202213585 U CN 202213585U
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Abstract
The utility model relates to an air-conditioning ventilation system of a high-speed railway vehicle, which comprises an air conditioner unit and an air interchanger. The air conditioner unit is hung at the bottom of a vehicle body and connected with an air feeding port and an air return port in the vehicle by an air feeding channel and an air return channel, the air feeding port at least consists of an air feeding port in a carriage, an air feeding port of a transit platform and an air feeding port of a toilet, the air return port at least comprises an air return port in the carriage and an air return port of the transit platform, a waste air exhaust port is arranged in the toilet and/or the transit platform and connected with the air exchanger by a waste air exhaust channel, the air exchanger is connected with a fresh air inlet positioned on the top of the vehicle body by a fresh air channel, the air feeding port in the carriage consists of a main air feeding port and an auxiliary air feeding port, the main air feeding port is disposed on the lateral top of the carriage, the auxiliary air feeding port is arranged on a window, and the air return port in the carriage is disposed in a bottom area of the carriage. An air feeding mode of air conditioners is optimized, uniformity of air flow and temperature distribution in the vehicle is guaranteed, the temperature of the toilet is further regulated, the fresh air channel is independent from the waste air exhaust channel, and accordingly, fresh air can be effectively prevented from being tainted by waste exhaust air.
Description
Technical field
The utility model relates to a kind of air conditioner ventilating system, and specifically a kind of air conditioner ventilating system that is installed on the high-speed track vehicle belongs to the railway vehicle device technical field.
Background technology
In the prior art; Under the high-speed track vehicle air conditioner ventilating system car in the pattern of air-conditioning unit; Air-conditioning and air interchanger are installed under the car, and two centralized air-conditionings are installed in respectively in the railway vehicle device cabin near the guest room two-end part, an end in the air interchanger erecting equipment cabin.
The air trunk of air conditioner ventilating system is located at the bottom of the car in the aluminium floor and car between the aluminium honeycomb floor, establishes 5 air channels altogether in the middle of the floor, all is vertical elongated air channel; The air channel, both sides is symmetrically distributed, and it is the air delivery duct that the cross-car direction is leaned on two air channels, both sides, and middle air channel is the fresh flue; All the other two joint air channels are air return duct; Because the odd numbers car is established the lavatory, the discharge of waste gas realizes as the useless air exhausting duct in special lavatory through in the fresh flue, separating a cavity in the lavatory.Air-conditioning supply air system master blows and mainly is arranged on below the baggage rack in the car, carry with convenient air-supply, but when existing the people to stand, the problem of blow head; And air-supply is not set in the sanitary accomodation, and temperature is higher and be prone to peculiar smell in the sanitary accomodation; Through platform air-supply open type or the section bar air ports of adopting, whole structure is attractive in appearance inadequately more in addition.
Summary of the invention
The utility model main purpose is to solve above-mentioned key problem in technology, provides a kind of and can optimize the air-conditioning wind pushing form, guarantees the high-speed track vehicle air conditioner ventilating system of interior air-flow of car and uniformity of temperature profile.
For realizing above-mentioned purpose, the technical scheme of the utility model is:
A kind of high-speed track vehicle air conditioner ventilating system; Comprise the air-conditioning unit and the air interchanger that are hung on the car body bottom; Said air-conditioning unit is connected with return air inlet with the interior air outlet of car with return airway through supply air duct; Said air outlet comprises the compartment inner wind outlet at least, through platform air outlet and sanitary accomodation air outlet, said return air inlet comprises return air inlet at least in the compartment in and passes through the platform return air inlet, is provided with useless exhaust outlet in said sanitary accomodation and/or in through platform; Said useless exhaust outlet is connected with said air interchanger through useless air exhausting duct, and said air interchanger is connected with the new wind inlet that is positioned at the car body top through the fresh flue; Said compartment inner wind outlet comprises the main air outlet that is arranged at the cabin side top and is arranged at the auxiliary air outlet on the window that return air inlet is arranged at the compartment bottom section in the said compartment.
Further, return air inlet is arranged at the under-seat in the compartment in the said compartment.
Further, the main air outlet in the said compartment is positioned at the top of both sides, compartment baggage rack.
Further, the said auxiliary air outlet that is arranged on the window is the Adjustable air port structure.
Further, said sanitary accomodation air outlet is arranged on the top board of said sanitary accomodation, and said sanitary accomodation air outlet is an AND DEWATERING FOR ORIFICE STRUCTURE.
Further, said is that the section bar bar stitches tuyere structure through the platform air outlet.
Further, said supply air duct comprise with said air-conditioning unit bonded assembly car successively down air-supply is connected in air channel, the floor air channel, air delivery duct, cabin side top between air delivery duct, window, passes through platform air delivery duct, air delivery duct, sanitary accomodation; Said return airway comprise with said air-conditioning unit bonded assembly car successively under return air be connected air return duct in air channel and the floor; Said fresh flue comprise with said air interchanger bonded assembly car successively under new wind be connected fresh flue and Che Nei fresh flue in air channel, the floor; Said useless air exhausting duct comprises with the down useless row of said air interchanger bonded assembly car successively and is connected the air exhausting duct that gives up in air channel and the floor.
Further; The air exhausting duct that gives up in fresh flue, the floor in air return duct, the floor in air delivery duct, the floor in the said floor vertically is arranged side by side along car body in the floor; In the middle of useless air exhausting duct is arranged in fresh flue, the floor in the said floor, be distributed with in the floor air delivery duct in the air return duct and floor along cross-car direction bilateral symmetry.
Content to sum up; The high-speed track vehicle air conditioner ventilating system that the utility model provided, fresh flue and useless air exhausting duct are provided with separately, can effectively prevent new wind and useless air draft taint of odour; Satisfy the requirement of passenger, can guarantee the air-tightness of car load and the requirement of pressure-fired simultaneously the compartment comfort inside.In addition; This system adopts side top air supply mode, under window, also is provided with adjustable auxiliary air outlet, in through platform, is provided with air outlet; In the compartment and through platform, be provided with return air inlet; Optimize the air-conditioning air supply mode, can guarantee the homogeneity of interior air-flow of car and temperature traverse, satisfy each item requirement of guideway vehicle air current composition in the car.This system is provided with air outlet in the sanitary accomodation, can reduce the temperature in the sanitary accomodation, and the control peculiar smell is excessive.
Description of drawings
Fig. 1 the utility model structural representation;
Fig. 2 is the birds-eye view of Fig. 1;
Air channel structural representation in Fig. 3 the utility model floor;
Fig. 4 is the A-A cutaway view of Fig. 2;
Fig. 5 is the B-B cutaway view of Fig. 2;
Fig. 6 is the utility model compartment section air current composition figure.
Extremely shown in Figure 6 like Fig. 1, car body 1, air-conditioning unit 2, air interchanger 3, compartment 4 is through platform 5; Sanitary accomodation 6, compartment inner wind outlet 7, through platform air outlet 8, sanitary accomodation air outlet 9, return air inlet 10 in the compartment; Through platform return air inlet 11, useless exhaust outlet 12, car air-supply down connect air channel 13, and the air delivery duct 14 in the floor, and the air channel 15 between window; Air delivery duct 16, car side top, through platform air delivery duct 17, air delivery duct, sanitary accomodation 18, baggage rack 19, air return duct 20 in the floor; Seat 21, main air outlet 22, auxiliary air outlet 23, the fresh flue 24 in the floor, useless air exhausting duct 25 in the floor.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
As shown in Figure 1, said high-speed track vehicle air conditioner ventilating system comprises the air-conditioning unit 2 and air interchanger 3 that are hung on car body 1 bottom, to satisfy the requirement of high-speed track vehicle low center of gravity.For refrigeration and the heating capacity that satisfies the compartment, every joint compartment all be equipped with 2, two air-conditioning units 2 of two air-conditioning units be diagonal line hang every joint compartment bottom one, Er Weiduan, 3 of air interchangers adopt one, are installed in the end in the equipment compartment under the car.Carry out being delivered to each space in the car in the heat-exchanged air entering supply air duct with the evaporator in the air-conditioning unit 2, in car, carry out wind circulation, the air in the car is back to air-conditioning unit 2 through return airway again, carries out interchange of heat once more with evaporator.Be provided with blower fan in the air interchanger 3, which is provided with the entrance and exit of new wind, useless row's entrance and exit (not shown).
The other end of supply air duct and return airway respectively with car in air outlet be connected with return air inlet, be to guarantee the homogeneity of air-flow and temperature traverse in the car, air outlet and return air inlet all are set in compartment 4, through platform 5 and sanitary accomodation 6.Fig. 1 is to shown in Figure 5, and air outlet comprises compartment inner wind outlet 7, passes through platform air outlet 8 and sanitary accomodation air outlet 9; Return air inlet comprises in the compartment return air inlet 10 and through platform return air inlet 11, in the sanitary accomodation, is provided with useless exhaust outlet 12, in through platform 5, also can be provided with useless exhaust outlet (not shown).
Supply air duct mainly comprise with air-conditioning unit 2 bonded assembly cars down air-supply be connected air channel 13; Car down air-supply connects that air delivery duct 14 is connected in the base plate that passes car body in air channel 13 and the floor; In the floor air delivery duct 14 pass behind the floor be arranged at the car body side wall in a plurality of windows between air channel 15 be connected; The top in air channel 15 converges to air delivery duct 16, car side top between window, and air delivery duct 16, car side top is along the vertical elongated setting of car body, and a plurality of compartments inner wind outlet 7 is opened on this air delivery duct 16, car side top uniformly.Wherein, Compound air duct is adopted in air channel 15 between window; The glass-felt plastic air channel is used in top 16 employings in air delivery duct of car side, and it forms the material of compound air duct by five layers from outside to inside: be respectively aluminium foil, PE, hard film, PE, aluminium foil, at the interface position of compound air duct; Form by three layers, be respectively: rubber, woollen goods fiber, rubber.This compound air duct smooth interior surfaces, heat-proof quality is good, and connectivity is good, combustibility; Smokiness, toxicity will meet standard-required, not only can guarantee heat insulation requirement, but also can satisfy the requirement of hot-short weight-saving; In addition, compound air duct is easy to processing, also can reduce noise in the air channel.And the glass-felt plastic air channel has intensity preferably, and weight is lighter, is easy to shape.
Air delivery duct 14 also connects through platform air delivery duct 17 and air delivery duct, sanitary accomodation 18 after passing the floor in the floor, is opened in through on the platform air delivery duct 17 through platform air outlet 8, and sanitary accomodation air outlet 9 is positioned at the end of air delivery duct, sanitary accomodation 18.As shown in Figure 5, be provided with two at each in through platform 5 through platform air outlet 8, be positioned at both sides through platform 5, adopt section bar bar seam tuyere structure, not only can improve the homogeneity of air-supply, and can avoid air-out directly to blow human body.
Return airway mainly comprise with air-conditioning unit 2 bonded assembly cars under return air be connected the air channel (not shown); Return air connects that air return duct 20 is connected in the base plate that passes car body in the air channel and the floor under the car, and air return duct 20 passes in floor and the compartment return air inlet 10 and is connected through platform return air inlet 11 in the floor.
Compartment inner wind outlet 7 comprises the main air outlet 22 of the side roof part that is arranged at the both sides, compartment and is arranged at the auxiliary air outlet 23 on each window of both sides, compartment.The wind of haveing broken up for fear of air outlet directly blows human body, and is as shown in Figure 4, and in the present embodiment, the main air outlet 22 in the compartment is arranged at the top of both sides, compartment baggage rack 19, and just air delivery duct 16, car side top is arranged at the position of baggage rack 19 tops.Auxiliary air outlet 23 on the window adopts the Adjustable air port structure; Can adopt electronic Adjustable air port structure, also can adopt manually adjustable tuyere structure, the Adjustable air port structure can adopt of the prior art any; Here no longer do detailed description; The passenger can be as required oneself regulate the air port towards and air quantity, thereby the temperature of control surrounding environment makes environment more comfortable.
Correspondingly; In the compartment return air inlet 10 with all be arranged at the bottom section in the car through platform return air inlet 11, even for guaranteeing car load return air, return air inlet 10 is provided with a plurality of in compartment 4 equably in the compartment; Pass through in the platform 5 one or two of car loads, be provided with two through platform return air inlet 11.Because the space is limited in the compartment 4 of guideway vehicle, for saving the space in the compartment 4, return air inlet 10 is preferably disposed on the below of seat 21 in the compartment.
As shown in Figure 6, wind pushing form has been optimized in the setting of return air inlet 10 in above-mentioned compartment inner wind outlet 7 and the compartment; Air blows out in the middle of the compartment from the side top of both sides, compartment, blows out downwards from the auxiliary air outlet 23 of the window of both sides simultaneously, last all in the compartment of bottom return air inlet 10 flow out; Realize in the compartment, blowing simultaneously from different directions; It is more even to blow, and in the compartment, has formed air flows preferably, has guaranteed the homogeneity of interior air-flow of car and temperature traverse; Thereby improved the comfort level of car load, realized each item requirement of guideway vehicle air current composition.And in this ventilation system; The air-conditioning air quantity distributes being provided with of deflecting plate that can rely on the duct cross-section size variation and be arranged in the air channel to realize; Can realize accurately distributing air quantity, make the air quantity that is assigned to each position that accurate values all arranged, further improve the air-supply homogeneity in the car; Reduce gentle breeze speed in the car, optimized air current composition in the car.
Sanitary accomodation air outlet 9 is arranged on the top board of sanitary accomodation 6, and sanitary accomodation air outlet 9 adopts AND DEWATERING FOR ORIFICE STRUCTURE, and air-out is more even, helps reducing the temperature of sanitary accomodation, and the control peculiar smell is excessive.6 bottom section is provided with useless exhaust outlet 12 in the sanitary accomodation; Useless exhaust outlet 12 passes the air exhausting duct 25 that gives up in floor and the floor and is connected; The air exhausting duct 25 that gives up in the floor passes hull bottom plate and is connected air channel (not shown) connection with the useless down row of car; The down useless row of car connects the air channel and is connected with car air interchanger 3 down, and is outdoor through air interchanger 3 discharges.Simultaneously in the compartment also some air air return duct 20 from the floor get into the useless down row of cars and connect the air channel, and then discharge outside the cars by air interchanger 3.
Be provided with new wind inlet at the top of car body headwall, new wind inlet is connected with air interchanger 3 car under through the fresh flue, and the fresh flue mainly comprises and the new wind interior fresh flue of the bonded assembly car (not shown) that enters the mouth; The fresh flue passes that fresh flue 24 is connected in floor and the floor in the car; Fresh flue 24 is passed under hull bottom plate and the car new wind and is connected the air channel (not shown) and connects in the floor, and new wind connects the air channel and is connected with the new wind inlet of air interchanger 3 under the car, and the new wind of air interchanger 3 exports and is connected with air-conditioning unit 2; After the return air of air-conditioning unit 2 mixes; Carry out interchange of heat with evaporator, be delivered in the car together, and then guarantee the freshness of air in a car compartment.
As shown in Figure 3, main air channel all is arranged at the bottom of the car in the aluminium floor and car between the aluminium honeycomb floor in the air conditioner ventilating system, is provided with 6 air channels in the floor altogether, all is along the elongated setting of car body longitudinal direction, and two air channels are symmetrical distribution.The centre is fresh flue 24 and useless air exhausting duct 25 in the floor, along cross-car air return duct 20 in bilateral symmetry distribution floor, then is air delivery duct 14 in the floor more laterally.In the floor in air return duct 20 and the floor air delivery duct 14 be provided with two, mainly be in order to increase return air amount and the air output in the car, to cooperate the supply air duct and the return airway of both sides in the compartment simultaneously.In order to alleviate the weight of vehicle body, satisfy the requirement of hot-short weight-saving, guarantee the intensity in air channel simultaneously again, the aluminium sheet material is all adopted with the air channel that is arranged in the floor in the air channel that is arranged under the car.
Fresh flue 24 is provided with separately with useless air exhausting duct 25 in the floor, can effectively prevent new wind and useless air draft taint of odour, satisfies the requirement of passenger to the compartment comfort inside, can guarantee the air-tightness of car load and the requirement of pressure-fired simultaneously.Adopting collection air inlet and exhaust in this air interchanger 3 is the blower fan of one, can guarantee that air inlet is identical with free air capacity, thereby can interior pressure be maintained a stable status.
Air on-cycle process is following during this air conditioner ventilating system operation:
The fresh air of introducing from new wind inlet connects the air interchanger 3 under the air channel entering car through new wind under fresh flue 24, the car fresh flue 26, the floor in the car; Get into two air-conditioning units 2 more respectively; Fresh air mixes with indoor return air in the air-conditioning unit 2 and after treatment, through car down air-supply connect air delivery duct 14 in air channel 13 and the floor, send into air channel 15 between window, air delivery duct 16, car side top respectively; And through platform air delivery duct 17 and air delivery duct, sanitary accomodation 18; Through the main air outlet 22 and auxiliary air outlet 23 of 4 interior both sides, compartment, in compartment 4, blow simultaneously at last, other is again through passing through platform air outlet 8 and sanitary accomodation air outlet 9 air-supply in passing through platform 5 and sanitary accomodation 6.Air in the compartment 4 is again through air return duct 20 in the return air inlet 10 entering floors in the compartment of seat 21 belows; Then pass through air return duct 20 in the platform return air inlet 11 entering floors through the air in the platform 5; Get into return air connection air channel under two cars more respectively; Return two air-conditioning units 2 at last separately, air-conditioning unit 2 freezes or heats circulation.Simultaneously; Waste gas on the car in the sanitary accomodation 6 is through useless air exhausting duct 25 in the useless exhaust outlet 12 entering floors; And, get into air interchanger 3 at last through the useless down row's connection of the air exhausting duct 25 entering cars air channel of giving up in the floor, be discharged from outside the car; Simultaneously in the guest room also some air air return duct 20 from the floor get into the useless down row of cars and connect the air channel, discharge outside the cars by air interchanger 3.Final air-supply, return air, the air-exhausting function realized send form next time on the air-supply employing is this, and air current composition is better in 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 (8)
1. a high-speed track vehicle air conditioner ventilating system comprises the air-conditioning unit and the air interchanger that are hung on the car body bottom, it is characterized in that:
Said air-conditioning unit is connected with return air inlet with the interior air outlet of car with return airway through supply air duct; Said air outlet comprises the compartment inner wind outlet at least, passes through platform air outlet and sanitary accomodation air outlet; Said return air inlet comprises in the compartment return air inlet and at least through the platform return air inlet; Be provided with useless exhaust outlet in said sanitary accomodation and/or in through platform; Said useless exhaust outlet is connected with said air interchanger through useless air exhausting duct, and said air interchanger is connected with the new wind inlet that is positioned at the car body top through the fresh flue;
Said compartment inner wind outlet comprises the main air outlet that is arranged at the cabin side top and is arranged at the auxiliary air outlet on the window that return air inlet is arranged at the compartment bottom section in the said compartment.
2. high-speed track vehicle air conditioner ventilating system according to claim 1, it is characterized in that: return air inlet is arranged at the under-seat in the compartment in the said compartment.
3. high-speed track vehicle air conditioner ventilating system according to claim 1, it is characterized in that: the main air outlet in the said compartment is positioned at the top of both sides, compartment baggage rack.
4. high-speed track vehicle air conditioner ventilating system according to claim 1 is characterized in that: the said auxiliary air outlet that is arranged on the window is the Adjustable air port structure.
5. high-speed track vehicle air conditioner ventilating system according to claim 1 is characterized in that: said sanitary accomodation air outlet is arranged on the top board of said sanitary accomodation, and said sanitary accomodation air outlet is an AND DEWATERING FOR ORIFICE STRUCTURE.
6. high-speed track vehicle air conditioner ventilating system according to claim 1 is characterized in that: said is that the section bar bar stitches tuyere structure through the platform air outlet.
7. according to each described high-speed track vehicle air conditioner ventilating system of claim 1 to 6, it is characterized in that: said supply air duct comprise with said air-conditioning unit bonded assembly car successively down air-supply is connected in air channel, the floor air channel, air delivery duct, cabin side top between air delivery duct, window, passes through platform air delivery duct, air delivery duct, sanitary accomodation;
Said return airway comprise with said air-conditioning unit bonded assembly car successively under return air be connected air return duct in air channel and the floor;
Said fresh flue comprise with said air interchanger bonded assembly car successively under new wind be connected fresh flue and Che Nei fresh flue in air channel, the floor;
Said useless air exhausting duct comprises with the down useless row of said air interchanger bonded assembly car successively and is connected the air exhausting duct that gives up in air channel and the floor.
8. high-speed track vehicle air conditioner ventilating system according to claim 7; It is characterized in that: the air exhausting duct that gives up in fresh flue, the floor in air return duct, the floor in air delivery duct, the floor in the said floor vertically is arranged side by side along car body in the floor; In the middle of useless air exhausting duct is arranged in fresh flue, the floor in the said floor, be distributed with in the floor air delivery duct in the air return duct and floor along cross-car direction bilateral symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203204267U CN202213585U (en) | 2011-08-30 | 2011-08-30 | Air-conditioning ventilation system of high-speed railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203204267U CN202213585U (en) | 2011-08-30 | 2011-08-30 | Air-conditioning ventilation system of high-speed railway vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN202213585U true CN202213585U (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203204267U Expired - Lifetime CN202213585U (en) | 2011-08-30 | 2011-08-30 | Air-conditioning ventilation system of high-speed railway vehicle |
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| Country | Link |
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| CN (1) | CN202213585U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434522A (en) * | 2013-08-29 | 2013-12-11 | 南车南京浦镇车辆有限公司 | Railway compartment exhaust emission device |
| CN103629714A (en) * | 2013-09-11 | 2014-03-12 | 南车青岛四方机车车辆股份有限公司 | Oil smoke purification device for railway vehicle |
| CN106347394A (en) * | 2016-09-07 | 2017-01-25 | 中车唐山机车车辆有限公司 | Air duct system of sleeping berth motor train unit |
| CN109318915A (en) * | 2017-12-26 | 2019-02-12 | 中车长春轨道客车股份有限公司 | Track train and its side wall |
| CN110027583A (en) * | 2019-04-27 | 2019-07-19 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle SPLIT AIR-CONDITIONING SYSTEM and rail vehicle |
| CN110065508A (en) * | 2018-01-24 | 2019-07-30 | 中车唐山机车车辆有限公司 | A kind of double train compartment and train |
| CN112977512A (en) * | 2019-12-17 | 2021-06-18 | 中车唐山机车车辆有限公司 | Air conditioning system of railway vehicle and railway vehicle |
| CN115009312A (en) * | 2022-06-29 | 2022-09-06 | 中车青岛四方机车车辆股份有限公司 | Air duct system and railway vehicle |
-
2011
- 2011-08-30 CN CN2011203204267U patent/CN202213585U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434522A (en) * | 2013-08-29 | 2013-12-11 | 南车南京浦镇车辆有限公司 | Railway compartment exhaust emission device |
| CN103434522B (en) * | 2013-08-29 | 2015-10-28 | 南车南京浦镇车辆有限公司 | Railway compartment exhaust emission device |
| CN103629714A (en) * | 2013-09-11 | 2014-03-12 | 南车青岛四方机车车辆股份有限公司 | Oil smoke purification device for railway vehicle |
| CN103629714B (en) * | 2013-09-11 | 2015-12-30 | 南车青岛四方机车车辆股份有限公司 | Oil smoke purification device for railway vehicle |
| CN106347394A (en) * | 2016-09-07 | 2017-01-25 | 中车唐山机车车辆有限公司 | Air duct system of sleeping berth motor train unit |
| CN109318915A (en) * | 2017-12-26 | 2019-02-12 | 中车长春轨道客车股份有限公司 | Track train and its side wall |
| CN110065508A (en) * | 2018-01-24 | 2019-07-30 | 中车唐山机车车辆有限公司 | A kind of double train compartment and train |
| CN110027583A (en) * | 2019-04-27 | 2019-07-19 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle SPLIT AIR-CONDITIONING SYSTEM and rail vehicle |
| CN112977512A (en) * | 2019-12-17 | 2021-06-18 | 中车唐山机车车辆有限公司 | Air conditioning system of railway vehicle and railway vehicle |
| CN115009312A (en) * | 2022-06-29 | 2022-09-06 | 中车青岛四方机车车辆股份有限公司 | Air duct system and railway vehicle |
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| 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: 20120509 |
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| CX01 | Expiry of patent term |