CN206606203U - A kind of train water-saving system and railway carriage - Google Patents
A kind of train water-saving system and railway carriage Download PDFInfo
- Publication number
- CN206606203U CN206606203U CN201720301829.4U CN201720301829U CN206606203U CN 206606203 U CN206606203 U CN 206606203U CN 201720301829 U CN201720301829 U CN 201720301829U CN 206606203 U CN206606203 U CN 206606203U
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- pipeline
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 203
- 238000000746 purification Methods 0.000 claims abstract description 43
- 239000010865 sewage Substances 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000001914 filtration Methods 0.000 claims description 10
- 239000000645 desinfectant Substances 0.000 claims description 9
- 239000008394 flocculating agent Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 238000013014 water-saving technology Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Sanitary Device For Flush Toilet (AREA)
Abstract
The utility model discloses a kind of train water-saving system and railway carriage, belong to train water-saving technology field.Train water-saving system, including storage tank and foul water tank, storage tank includes the first pure water inlet and the second pure water inlet, first pure water inlet is connected by the first pipeline with wash platform, second pure water inlet is connected by second pipe with foul water tank, second pipe is provided with unidirectional sensing valve, wash platform is connected by the 3rd pipeline with foul water tank, screen pack is provided with the junction of wash platform and the 3rd pipeline, foul water tank includes water purification entrance, sewage inlet and outlet of sewer and the hydraulic inductor being arranged in foul water tank, water purification entrance and sewage inlet respectively with second pipe and the 3rd pipeline communication, outlet of sewer is connected by the 4th pipeline with the toilet on train, hydraulic inductor is electrically connected with unidirectional sensing valve.The utility model can reach the secondary utilization of sewage, reduce the wasting of resources effectively using the sewage on train.
Description
Technical field
The utility model is related to train reutilization of the sewage technical field, in particular to a kind of train water-saving system and
Railway carriage.
Background technology
Aboard, typically wash one's face and rinse one's mouth or clean the domestic waters such as tableware all directly to drain, utilize, for example, exist without secondary
Toilet flushing then directly uses storage tank water purification with water, in the case of train water resource itself is insufficient, can so waste a lot
Water resource.
Utility model content
The purpose of this utility model is to provide a kind of train water-saving system, its can effectively using the sewage on train,
The secondary utilization of sewage is reached, the wasting of resources is reduced.
Another object of the present utility model is to provide a kind of railway carriage, its can saving water resource, reduce train fortune
Row cost.
What embodiment of the present utility model was realized in：
A kind of train water-saving system, including washed one's hands for providing the storage tank of water purification for train wash platform and accepting to come from
The foul water tank of the waste water of platform, the first pure water inlet and the second water purification that storage tank includes being opened in the casing of storage tank respectively goes out
Mouthful, the first pure water inlet is connected by the first pipeline with wash platform, and the second pure water inlet is connected by second pipe with foul water tank,
Second pipe passes through the 3rd pipeline provided with the unidirectional sensing valve for only allowing water purification to be flow to from storage tank in foul water tank, wash platform
Connected with foul water tank, screen pack is provided with the junction of wash platform and the 3rd pipeline, foul water tank includes being opened in foul water tank respectively
Casing water purification entrance, sewage inlet and outlet of sewer and the hydraulic inductor that is arranged in foul water tank, water purification entrance and
Sewage inlet is respectively with second pipe and the 3rd pipeline communication, and the toilet that outlet of sewer passes through on the 4th pipeline and train connects
Logical, hydraulic inductor is electrically connected with unidirectional sensing valve.
In the utility model preferred embodiment, the close water purification that above-mentioned unidirectional sensing valve is arranged at second pipe enters
One end of mouth.
In the utility model preferred embodiment, above-mentioned screen pack is removable installed in the throughbore of wash platform
Place, and screen pack has a cavity for accommodating debris.
In the utility model preferred embodiment, above-mentioned hydraulic inductor is arranged on the inwall of foul water tank, and water
Inductor is pressed to be no more than 10mm apart from the distance of the bottom wall of foul water tank.
In the utility model preferred embodiment, the water valve connection of above-mentioned first pipeline and wash platform.
In the utility model preferred embodiment, the urinal flushing valve connection of above-mentioned 4th pipeline and toilet.
In the utility model preferred embodiment, above-mentioned train water-saving system also includes the filtering dress connected with foul water tank
The return water tank put and connected with filter, return water tank is also connected with wash platform.
In the utility model preferred embodiment, above-mentioned filter include housing and be arranged in housing every
Housing is separated into the straining chamber connected with foul water tank and the refined filtration room connected with return water tank by plate, dividing plate, fills gritty
Straining chamber is connected with the refined filtration room equipped with fibre bundle by the through hole being arranged on dividing plate.
In the utility model preferred embodiment, above-mentioned housing includes the flocculating agent input hole connected respectively with straining chamber
With disinfectant input hole, flocculating agent input hole and disinfectant input hole are spaced apart.
A kind of railway carriage, including shell and above-mentioned train water-saving system, train water-saving system are arranged in shell.
The beneficial effect of the utility model embodiment is：
The utility model is wanted to wash one's face and rinse one's mouth or cleans tableware sewage collecting by foul water tank, and the sewage of collection is used to rinse lavatory
Institute, so as to which train sewage is carried out into maximized secondary utilization, reaches water saving purpose, the utility model is simple in construction, pacifies
Dress is convenient, and cost is low.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment 1；
Fig. 2 is the partial structural diagram of the utility model embodiment 1；
Fig. 3 is the structural representation of the utility model embodiment 2；
Fig. 4 is the partial structural diagram of the utility model embodiment 1.
In figure：100- train water-saving systems；110- storage tanks；The pure water inlets of 111- first；The water purification of 112- second goes out
Mouthful；120- foul water tanks；121- water purification entrances；122- sewage inlets；123- outlets of sewer；124- hydraulic inductors；
The pipelines of 130- first；131- second pipes；The pipelines of 132- the 3rd；The pipelines of 133- the 4th；The unidirectional sensing valves of 134-；
135- screen packs；140- wash platforms；141- toilets；150- filters；151- housings；152- straining chambers；153-
Refined filtration room；154- dividing plates；155- through holes；156- flocculating agent input holes；157- disinfectant input holes；160- return water tanks；
The pipelines of 170- the 5th；The pipelines of 171- the 6th；The pipelines of 172- the 7th.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or
It is the orientation or position relationship usually put when the utility model product is used, is for only for ease of description the utility model and letter
Change description, rather than indicate or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that indicating or implying relative importance.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or be integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, it can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Embodiment 1
Refer to Fig. 1, the present embodiment provides a kind of train water-saving system 100, including storage tank 110, foul water tank 120 and
Water in storage tank 110 and foul water tank 120 is led into the water piping with water place.
Storage tank 110 is used to use water place, and for example there is provided water purification for train wash platform 140.Storage tank 110 can also be
Train dining car railway carriage or compartment provides water for kitchen use.Those skilled in the art can install storage tank 110 according to specifically used place.Water storage
Case 110 includes the first pure water inlet 111 and the second pure water inlet 112 for being opened in the casing of storage tank 110 respectively.First water purification
The pure water inlet 112 of outlet 111 and second is spaced apart.The water purification flowed out from the first pure water inlet 111 flows to wash platform 140.From
The water purification of second pure water inlet 112 outflow flows to foul water tank 120.When the water collected in foul water tank 120 is too small, by storage tank
110 directly provide water purification for foul water tank 120.
Foul water tank 120 is used to accept the waste water from wash platform 140 or kitchen, and the sewage collecting after use is risen
Come, utilized for secondary.In the present embodiment, the sewage collected in foul water tank 120 is mainly used in 141 between flushing sanitation, also may be used
For cleaning mop.Foul water tank 120 includes being opened in water purification entrance 121, the sewage inlet of the casing of foul water tank 120 respectively
122 and outlet of sewer 123 and the hydraulic inductor 124 that is arranged in foul water tank 120.
Water purification entrance 121 is connected with the second pure water inlet 112, for the water purification from storage tank 110 to be led into foul water tank
In 120.Sewage inlet 122 is connected with the discharge outlet of wash platform 140 or kitchen basin, and sewage is introduced in foul water tank 120
Row is collected.Outlet of sewer 123 is connected with the water pipe in toilet 141, the use for for example connecting the water pipe of urinal or being separately provided
In the water tap of cleaning mop.
Be arranged on the hydraulic inductor 124 in foul water tank 120 (also known as hydraulic pressure sensor) its according to hydraulic pressure in foul water tank 120
Change water change how much judged, specifically, when the hydraulic pressure that hydraulic inductor 124 is detected is larger, illustrate sewage
Water is sufficient in case 120, when the hydraulic pressure that hydraulic inductor 124 is detected is relatively low, illustrates that water is less in foul water tank 120, this
When need from storage tank 110 supplement water purification.Hydraulic inductor 124 is no more than 10mm apart from the distance of the bottom wall of foul water tank 120.When
When water level is equal to or less than 10mm in foul water tank 120, hydraulic inductor 124 can not be flooded just or by sewage, pass through pressure
Value judges, now needs to add water purification into foul water tank 120 to supply, to avoid subsequently without available sewage flushing just
Pond.When water level is higher than 10mm in foul water tank 120, hydraulic inductor 124 is flooded by sewage, is judged by pressure value, now not
Need to add water purification into foul water tank 120.Foregoing signified pressure value is the pressure value of water level just at 10mm, claims hydraulic pressure threshold
Value.
Water piping includes the first pipeline 130, second pipe 131, the 3rd pipeline 132 and the 4th pipeline 133.
First pipeline 130 connects storage tank 110 and the water pipe or water valve with water place.For example, the first pipeline 130 connection the
One net export and wash platform 140 so that the first pure water inlet 111 is connected with wash platform 140, refer mainly to the first pure water inlet 111
Connected with the water valve of wash platform 140.It is apparent that in other embodiments, the first pipeline 130 can connect the first pure water inlet
111 and the water pipe in kitchen.
Second pipe 131 connects storage tank 110 and foul water tank 120.Specifically, second water purification of the connection of second pipe 131 goes out
The water purification entrance 121 of mouth 112 and foul water tank 120.Second pipe 131 flow to sewage provided with only permission water purification from storage tank 110
Unidirectional sensing valve 134 (also known as check valve) in case 120.Check valve is electrically connected with foregoing hydraulic inductor 124, and it is according to next
Valve is turned on and off from the signal of water induction device.When the pressure value that hydraulic inductor 124 is exported is less than or equal to foregoing hydraulic pressure
During threshold value, unidirectional sensing valve 134 is opened, and water purification is flowed into foul water tank 120 out of storage tank 110, to be carried out to foul water tank 120
Moisturizing.When the pressure value that hydraulic inductor 124 is exported is more than foregoing hydraulic pressure threshold value, unidirectional sensing valve 134 does not start, and keeps
Closed mode.Unidirectional sensing valve 134 is arranged at one end of the close water purification entrance 121 of second pipe 131, to reduce unidirectional sense
Answer the connection distance between valve 134 and hydraulic inductor 124, it is to avoid wire-excessive connecting the two.
Such as water place is used in the connection of 3rd pipeline 132, above-mentioned wash platform 140, and foul water tank 120, by sewage collecting in dirt
In water tank 120, utilized for secondary.Set in the junction of the 3rd pipeline 132 and wash platform 140 or kitchen (referring specifically to drainpipe)
There is screen pack 135.As shown in Fig. 2 screen pack 135 is removable installed at the throughbore 155 of wash platform 140, and mistake
Filter screen 135 has a cavity for accommodating debris.Detachable set can be by snapping connection, being threadedly coupled or directly pass through
Screen pack 135 is suspended in the 3rd pipeline 132 by the edge of screen pack 135.By setting screen pack 135 by filtering foreign, it is to avoid
Block pipeline.
4th pipeline 133 connects the toilet 141 on foul water tank 120 and train, and sewage in foul water tank 120 is drawn,
For flushing toilet bowl or cleaning mop.4th pipeline 133 is specifically connected with the water pipe in toilet 141, such as example connects urinal
Water pipe or flashing valve connection, or clean the water tap of mop with being used for of being separately provided and be connected.
The operation principle to the present embodiment is illustrated below.
Fig. 1 is refer to, storage tank 110 is by the first pipeline 130 with using water place (such as the wash platform 140 shown in figure)
Connection, for providing water purification.Water purification is drained into foul water tank 120 after from the 3rd pipeline 132, foul water tank 120 by sewage collecting,
For flushing toilet bowl (or cleaning mop), secondary utilization is realized, so as to reduce water resource waste on train, the mesh of water saving is reached
's.When the sewage in foul water tank 120 is fewer than flushing toilet bowl, examined according to the hydraulic inductor 124 for being arranged on foul water tank 120
The hydraulic pressure value measured, promotes unidirectional sensing valve 134 to open, and water purification in storage tank 110 is led in foul water tank 120, Jin Erbao
Demonstrate,prove toilet 141 and just commonly use water.
Embodiment 2
The present embodiment is roughly the same with the structure of the water-saving system of embodiment 1, and difference is, the present embodiment is except above-mentioned reality
Apply beyond the structure referred in example 1, in addition to filter 150 and the pipeline 170 of return water tank 160 and the 5th, the 6th pipeline
171 and the 7th pipeline 172.
It refer to the structural representation for the train water-saving system 100 that Fig. 3 is provided, the train water-saving system of the present embodiment
100, also including the filter 150 connected with foul water tank 120, and the return water tank 160 connected with filter 150, reclaim
Water tank 160 is also connected with wash platform 140.Return water tank 160 is connected with being connected the water pipe of wash platform 140, can be and embodiment 1
In second pipe 131 connect, by the water purification obtained after Rose Box purified treatment be re-circulated to wash platform 140 enter enforcement
With.Certainly, return water tank 160 can also be connected directly with storage tank 110, and the water purification after recovery is stored.
5th pipeline 170 connects foul water tank 120 and filter 150, by a part of purified treatment in foul water tank 120.The
Six pipelines 171 connect foul water tank 120 and return water tank 160, and the water purification after the purified treatment of filter 150 is reclaimed and stored
Get up.7th pipeline 172 connects return water tank 160 and second pipe 131, or directly by return water tank 160 and storage tank 110
Connection, for the water purification after recovery to be come into operation again.
Fig. 4 is refer to, filter 150 includes housing 151 and the dividing plate 154 being arranged in housing 151.Dividing plate 154
Housing 151 is separated into the straining chamber 152 connected with foul water tank 120, and the refined filtration room 153 connected with return water tank 160.Dress
Straining chamber 152 gritty is connected with the refined filtration room 153 equipped with fibre bundle by the through hole 155 being arranged on dividing plate 154.
Housing 151 includes the flocculating agent input hole 156 and disinfectant input hole 157 connected respectively with straining chamber 152, cohesion
Agent input hole 156 and disinfectant input hole 157 are spaced apart.Inputted by flocculating agent input hole 156 and disinfectant input hole 157
Flocculating agent and disinfectant carry out purified treatment to sewage, with the purpose of sewage recycling use, further improve train water saving
Rate.The decontamination process of the present embodiment refers to published purified water processing technology.
The operation principle to the present embodiment is illustrated below.
Fig. 3 is refer to, storage tank 110 is by the first pipeline 130 with using water place (such as the wash platform 140 shown in figure)
Connection, for providing water purification.Water purification is drained into foul water tank 120 after from the 3rd pipeline 132, foul water tank 120 by sewage collecting,
For flushing toilet bowl (or cleaning mop), secondary utilization is realized, so as to reduce water resource waste on train, the mesh of water saving is reached
's.When the sewage in foul water tank 120 is fewer than flushing toilet bowl, examined according to the hydraulic inductor 124 for being arranged on foul water tank 120
The hydraulic pressure value measured, promotes unidirectional sensing valve 134 to open, and water purification in storage tank 110 is led in foul water tank 120, Jin Erbao
Demonstrate,prove toilet 141 and just commonly use water.
In addition, a part of sewage in foul water tank 120 is in addition to for the use of toilet 141, another part is by the 5th
Pipeline 170, which is delivered in filter 150, carries out purified treatment, straining chamber 152 and refined filtration room of the sewage through filter 150
Become water purification output after 153 continuous processings, inputted by the 6th pipeline 171 and prepare to reuse to return water tank 160, with more
Mend the net hydropenic situation of storage tank 110.
The railway carriage (not shown) of the utility model embodiment, including shell (not shown) and above-mentioned train water saving system
System 100, train water-saving system 100 is arranged in shell.
In summary, train water-saving system 100 of the present utility model is simple in construction, the sewage on train can be carried out into two
It is secondary to utilize, and cycling use of water can also be realized, water saving purpose is reached to greatest extent.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of train water-saving system, it is characterised in that including for providing the storage tank of water purification for train wash platform and holding
The foul water tank of the waste water from the wash platform is fetched, the storage tank includes being opened in the first of the casing of the storage tank respectively
Pure water inlet and the second pure water inlet, first pure water inlet are connected by the first pipeline with the wash platform, and described second
Pure water inlet is connected by second pipe with the foul water tank, and the second pipe, which is provided with, only allows water purification from the storage tank
The unidirectional sensing valve flowing in the foul water tank, the wash platform is connected by the 3rd pipeline with the foul water tank, described
The junction of wash platform and the 3rd pipeline is provided with screen pack, and the foul water tank includes being opened in the case of the foul water tank respectively
Water purification entrance, sewage inlet and the outlet of sewer of body and the hydraulic inductor being arranged in the foul water tank, the water purification enter
Mouthful and the sewage inlet respectively with the second pipe and the 3rd pipeline communication, the outlet of sewer passes through the 4th pipeline
Connected with the toilet on train, the hydraulic inductor is electrically connected with the unidirectional sensing valve.
2. train water-saving system according to claim 1, it is characterised in that the unidirectional sensing valve is arranged at described
One end of the close water purification entrance of two pipelines.
3. train water-saving system according to claim 2, it is characterised in that the screen pack is removable installed in described
At the throughbore of wash platform, and the screen pack has a cavity for accommodating debris.
4. train water-saving system according to claim 3, it is characterised in that the hydraulic inductor is arranged at the sewage
On the inwall of case, and the hydraulic inductor is no more than 10mm apart from the distance of the bottom wall of the foul water tank.
5. train water-saving system according to claim 1, it is characterised in that the water of first pipeline and the wash platform
Valve is connected.
6. train water-saving system according to claim 1, it is characterised in that the 4th pipeline and the toilet are just
Pond flashing valve connection.
7. the train water-saving system according to any one of claim 1-6, it is characterised in that the train water-saving system
Also include the filter connected with the foul water tank and the return water tank connected with the filter, the return water tank
Also connected with the wash platform.
8. train water-saving system according to claim 7, it is characterised in that the filter includes housing and setting
Dividing plate in the housing, the dividing plate housing is separated into the straining chamber that is connected with the foul water tank and with it is described
The refined filtration room of return water tank connection, fills the straining chamber gritty with the refined filtration room equipped with fibre bundle by being arranged on
State the through hole connection on dividing plate.
9. train water-saving system according to claim 8, it is characterised in that the housing include respectively with the straining chamber
The flocculating agent input hole and disinfectant input hole of connection, the flocculating agent input hole and the disinfectant input hole are spaced apart.
10. a kind of railway carriage, it is characterised in that including shell and train section as claimed in any one of claims 1-9 wherein
Water system, the train water-saving system is arranged in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301829.4U CN206606203U (en) | 2017-03-24 | 2017-03-24 | A kind of train water-saving system and railway carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720301829.4U CN206606203U (en) | 2017-03-24 | 2017-03-24 | A kind of train water-saving system and railway carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206606203U true CN206606203U (en) | 2017-11-03 |
Family
ID=60173760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720301829.4U Active CN206606203U (en) | 2017-03-24 | 2017-03-24 | A kind of train water-saving system and railway carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206606203U (en) |
-
2017
- 2017-03-24 CN CN201720301829.4U patent/CN206606203U/en active Active
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| Date | Code | Title | Description |
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Assignee: Hubei Maple Leaf Enterprise Development Co.,Ltd. Assignor: HUBEI ENGINEERING University Contract record no.: X2024980005321 Denomination of utility model: A water-saving system for trains and train carriages Granted publication date: 20171103 License type: Common License Record date: 20240507 |