CN205351567U - Air conditioner outdoor unit - Google Patents
Air conditioner outdoor unit Download PDFInfo
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- CN205351567U CN205351567U CN201620012662.5U CN201620012662U CN205351567U CN 205351567 U CN205351567 U CN 205351567U CN 201620012662 U CN201620012662 U CN 201620012662U CN 205351567 U CN205351567 U CN 205351567U
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- outdoor unit
- heat exchange
- conditioner outdoor
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Abstract
The utility model discloses an air conditioner outdoor unit, including organism and compressor. The compressor is established in the organism, and the compressor includes compressor body and heat transfer device, and compressor body includes the casing, establishes motor and compressing mechanism in the casing, and heat transfer device includes heat shell body, heat shell body establish outside the casing and the casing between inject a heat transfer space, first heat transferring medium has in the heat transfer space. According to the utility model discloses an air conditioner outdoor unit, heat transfer device through setting up cools off compressor body, and can directly cool off compressor body through the heat transferring medium in the heat transfer space, can show the heat transfer area who increases heat transfer device and compressor body from this, thereby can carry out effectual cooling to compressor body, thereby can show lands improves air conditioner outdoor unit's radiating efficiency, and then can promote air conditioner outdoor unit's work efficiency, and this heat transfer device simple structure, favorable heat exchange effect.
Description
Technical field
This utility model relates to air-conditioning technical field, especially relates to a kind of air-conditioner outdoor unit.
Background technology
In correlation technique, the technology that compressor is cooled down, it is typically employed in large-scale refrigeration unit, such as large-size water-cooling unit.Compressor is carried out the technology of directly cooling, concentrate on and cool down with indoor condensed water, the cylinder of compression mechanism can be divided into cooling cylinder section, hot cylinder section and changeover portion, hot cylinder section and changeover portion have cooling block, cooling block has passage, vias inner walls has ceramic coating, and cooling working medium is the condensed water of indoor set, and cooling cylinder section is provided with heat insulation layer.But, the structure of this cylinder is complicated, it is achieved difficulty, internal easily leakage.
Also having a kind of structure is wrap up cooling layer in the outside of cylinder, base bearing and supplementary bearing, and the inside working medium is coolant.Itself be in high temperature refrigerant and oil due to cylinder, base bearing and supplementary bearing, cooling layer also steeps in high temperature refrigerant and oil, and the heat of the overwhelming majority is absorbed by coolant or the oil of high temperature, and heat exchange amount is only small, improves minimum to cylinder compression process.
Utility model content
This utility model is intended at least solve one of technical problem of existence in prior art.For this, a purpose of the present utility model is in that to propose a kind of air-conditioner outdoor unit, and the radiating efficiency of this air-conditioner outdoor unit is high.
Air-conditioner outdoor unit according to this utility model embodiment, including: body；And compressor, described compressor is located in described body, described compressor includes compressor body and heat-exchanger rig, described compressor body includes housing, be located in described housing motor and compression mechanism, described heat-exchanger rig includes heat exchange housing, described heat exchange housing be located at described housing outer and and described housing between limit heat transfer space, there is in described heat transfer space the first heat transferring medium.
Air-conditioner outdoor unit according to this utility model embodiment, by the heat-exchanger rig arranged, compressor body is cooled down, heat transfer space is limited between heat exchange housing and the housing of compressor body in heat-exchanger rig, compressor body can be made directly cooling by the heat transferring medium in this heat transfer space, thus can realize the heat exchange area enlarging markedly heat-exchanger rig with compressor body, such that it is able to compressor body is effectively cooled down, such that it is able to significantly increase the radiating efficiency of air-conditioner outdoor unit, and then the work efficiency of complete machine can be promoted, and this heat-exchanger rig simple in construction, good effect of heat exchange.
According to embodiments more of the present utility model, described heat exchange housing is corresponding with described motor.
According to embodiments more of the present utility model, described heat-exchanger rig farther includes: at least one heat exchanger tube, a part for described heat exchanger tube is positioned at described heat exchange housing, there is in described heat exchanger tube the second heat transferring medium, described heat exchanger tube be configured to described compressor body heat exchange after described second heat exchange medium flow to a described part and described first heat transferring medium of described heat exchanger tube carry out heat exchange.
Further, described heat exchanger tube is heat pipe, and described heat exchanger tube has the first end and the second end, and described first end stretches in described heat exchange housing, and described second end stretches into described compressor body and is connected with described compressor body.
Further, described second end of described heat exchanger tube is connected with described compression mechanism.
According to embodiments more of the present utility model, described heat exchanger tube includes the import pipeline section, heat exchange pipeline section and the outlet pipe section that are sequentially connected, described heat exchange pipeline section is located in described heat exchange housing, and described import pipeline section stretches into described compressor body and is connected with described compressor body with the free end of described outlet pipe section.
According to embodiments more of the present utility model, the bottom of described heat exchange housing is formed with tap, and described heat exchange housing is provided with closure member to open and close described tap.
Further, described compressor body is provided with temperature sensor, and described closure member is configured to open described tap when described temperature sensor detects the temperature of described compressor body lower than predetermined temperature threshold.
Alternatively, described predetermined temperature threshold is 20 DEG C～50 DEG C.
According to embodiments more of the present utility model, described body being formed with connected entrance, the top of described heat exchange housing is provided with inlet tube, and the free end of described inlet tube is adapted to pass through described connected entrance.
Further, described air-conditioner outdoor unit farther includes: connector, described connector is located on described body and is positioned at described connected entrance place, described connector has the first state and the second state, and described connector closes described connected entrance when being formed at described first state, when described second state, the free end of described inlet tube is adapted to pass through described connected entrance.
According to embodiments more of the present utility model, described body has upper cover plate, and wherein said connected entrance is formed on described upper cover plate.
According to embodiments more of the present utility model, the top of described heat exchange housing is formed with overfall.
According to embodiments more of the present utility model, the open-top of described heat exchange housing.
Alternatively, described first heat transferring medium is water.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become apparent from the description below, or is recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the schematic diagram of the air-conditioner outdoor unit according to this utility model embodiment；
Fig. 2 is the schematic diagram of the air-conditioner outdoor unit according to another embodiment of this utility model.
Accompanying drawing labelling:
Air-conditioner outdoor unit 100,
Body 1, upper cover plate 11, connected entrance 12, connector 13, inlet tube 14,
Compressor body 2, housing 21, heat exchange housing 3, tap 31, overfall 32, overflow pipe 33, heat exchanger tube 4, the first end 41, the second end 42.
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining this utility model, and it is not intended that to restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", D score, "left", "right", " top ", " end ", " interior ", " outward ", " axially ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more these features.In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model.
Following disclosure provides many different embodiments or example for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter parts and setting to specific examples are described.Certainly, they are only merely illustrative, and are not intended to restriction this utility model.Additionally, this utility model can in different examples repeat reference numerals and/or letter.This repetition is for purposes of simplicity and clarity, the relation between itself not indicating discussed various embodiment and/or arranging.Additionally, the example of the various specific technique that provides of this utility model and material, but those of ordinary skill in the art are it can be appreciated that the use of the property of can be applicable to of other techniques and/or other materials.
Additionally, fisrt feature described below second feature it " on " structure can include the first and second features and be formed as the embodiment of directly contact, can also including other feature and form the embodiment between the first and second features, such first and second features are not likely to be direct contact.
Below with reference to Fig. 1 and Fig. 2, the air-conditioner outdoor unit 100 according to this utility model embodiment is described.
As depicted in figs. 1 and 2, the air-conditioner outdoor unit 100 according to this utility model embodiment, including body 1 and compressor.
Specifically, compressor is located in body 1, and compressor includes compressor body 2 and heat-exchanger rig, and compressor body 2 can be carried out cooling by heat-exchanger rig.Compressor body 2 includes housing 21, be located in housing 21 motor (not shown go out) and compression mechanism (not shown go out), motor in housing 21 can be carried out cooling by heat-exchanger rig, motor in housing 21 and compression mechanism can also be carried out cooling simultaneously, or only compression mechanism be carried out cooling.
Heat-exchanger rig includes heat exchange housing 3, heat exchange housing 3 be located at housing 21 outer and and housing 21 between limit heat transfer space, there is in heat transfer space the first heat transferring medium.Thus, by the first heat transferring medium in heat transfer space, compressor body 2 is cooled down, the heat exchange area of the first heat transferring medium in heat-exchanger rig and compressor body 2 can be increased significantly, such that it is able to compressor body 2 is effectively cooled down, improve the work efficiency of compressor and the life-span of compressor can be extended, such that it is able to significantly increase the radiating efficiency of air-conditioner outdoor unit 100, and then the work efficiency of air-conditioner outdoor unit 100 can be promoted.
It addition, above-mentioned heat-exchanger rig simple in construction, easily realize.
Air-conditioner outdoor unit 100 according to this utility model embodiment, by the heat-exchanger rig arranged, compressor body 2 is cooled down, heat transfer space is limited between heat exchange housing 3 and the housing 21 of compressor body 2 in heat-exchanger rig, compressor body 2 can be made directly cooling by the heat transferring medium in this heat transfer space, thus can realize the heat exchange area enlarging markedly heat-exchanger rig with compressor body 2, such that it is able to compressor body 2 to be carried out directly effective cooling, such that it is able to significantly increase the radiating efficiency of air-conditioner outdoor unit 100, and then the work efficiency of air-conditioner outdoor unit 100 can be promoted, and this heat-exchanger rig simple in construction, good effect of heat exchange.
Below with reference to Fig. 1-Fig. 2, the air-conditioner outdoor unit 100 according to the multiple embodiment of this utility model is described.
Embodiment one,
As shown in Figure 1, in the present embodiment, motor is arranged in housing 21 along the vertical direction with compression mechanism, heat exchange housing 3 is all corresponding with motor and compression mechanism, now limiting heat transfer space between heat exchange housing 3 and compressor body 2, the motor in housing 21 and compression mechanism can be carried out cooling by heat-exchanger rig simultaneously.Heat exchange housing 3 is arranged around compressor body 2, thus, it is possible to increase the heat exchange area of the first heat transferring medium in heat transfer space and compressor body 2 further, such that it is able to improve heat transfer effect further, and then can extend the service life of compressor.
Certainly, heat exchange housing 3 can also be only corresponding with motor, now limits heat transfer space between heat exchange housing 3 and motor, and motor is only carried out cooling by heat-exchanger rig.Heat exchange housing 3 can also be only corresponding with compression mechanism, now limits heat transfer space between heat exchange housing 3 and compression mechanism, and compression mechanism is only carried out cooling by heat-exchanger rig.
Alternatively, the first heat transferring medium can be water (tap water can be used in water source, it is also possible to the condensed water of the indoor of air-conditioner outdoor unit 100), but is not limited to this.It is understood that compared with air, specific heat of water holds big, and the heat exchange efficiency of water is 10 times of air, thus can reduce the volume of heat-exchanger rig, may also reach up good heat transfer effect simultaneously.
As it is shown in figure 1, the bottom of heat exchange housing 3 is formed with tap 31, heat exchange housing 3 is provided with closure member (not shown go out) to open and close tap 31.Thus, when closure member opens tap 31, the cooling medium in heat exchange housing 3 can flow out via tap 31.
Further, compressor body 2 is provided with temperature sensor (not shown go out), and temperature sensor is for detecting the temperature of compressor body 2.Closure member is configured to open tap 31 when temperature sensor detects the temperature of compressor body 2 lower than predetermined temperature threshold.That is, tap 31 is in the normally off closed state, when the temperature of compressor body 2 is lower than predetermined temperature threshold, for instance under the running on the lower load that outdoor temperature is relatively low, tap 31 is opened, and now the first heat transferring medium in heat exchange housing 3 can be discharged via tap 31.Thus, it is possible to prevent the temperature of compressor body 2 too low, such that it is able to protection compressor body 2 effectively.Certainly, when the temperature of compressor body 2 is more than or equal to predetermined temperature threshold, tap 31 is closed.Alternatively, predetermined temperature threshold can be 20 DEG C～50 DEG C.
In a concrete example of the present utility model, as it is shown in figure 1, body 1 has upper cover plate 11, upper cover plate 11 is formed with connected entrance 12.The top of heat exchange housing 3 is provided with inlet tube 14, and the free end of inlet tube 14 is adapted to pass through connected entrance 12.Thus, cooling medium such as water can enter in heat transfer space by inlet tube 14, it is possible to motor is cooled down.When the condensed water of the indoor that cooling medium is air-conditioner outdoor unit 100, condensed water can pass through inlet tube 14 and flow in heat exchange housing 3.Thus, it is possible to condensed water is made full use of, it is possible to reach good cooling effect.
Further, connected entrance 12 place is provided with connector 13, and connector 13 has the first state and the second state, and closed communication mouth 12 when connector 13 is formed at the first state, when the second state, the free end of inlet tube 14 is adapted to pass through connected entrance 12.In other words, when not installing inlet tube 14, connector 13 is in the first state, it is possible to closed communication mouth 12, thus avoids dust to fall into the inside of body 1；When installing inlet tube 14, the free end of inlet tube 14 traverse can pass connected entrance 12, and now connector 13 can play the effect of connection (such as, by the interconnection function of connector 13, inlet tube 14 and connected entrance 12 can be made to closely cooperate, it is prevented that inlet tube 14 rocks).Alternatively, connector 13 can be cushion rubber, but is not limited to this.
It addition, the top of heat exchange housing 3 is unlimited, thus the first heat transferring medium in heat transfer space can be flowed out by the top of heat exchange housing 3 when such as water is more, is simultaneously also beneficial to the first heat transferring medium in heat transfer space and dispels the heat in air.
Further, the top of heat exchange housing 3 can also be formed simultaneously with overfall 32, and overfall 32 place is connected to overflow pipe 33.During cooling medium such as water excess in heat exchange housing 3, the cooling medium that temperature is higher can flow into overflow pipe 33 through overfall 32 and flow out from the port of export of overflow pipe 33.Thus, it is possible to the cooling medium such as water making temperature relatively low is supplemented into by inlet tube 14, it is hereby achieved that good cooling effect.
Certainly, the top of heat exchange housing 3 can also be close, and now the top of heat exchange housing 3 could be formed with overfall 32, and the first heat transferring medium in heat transfer space can pass through overfall 32 when such as water is more and flow out.Thus, it is possible to prevent hypertonia in heat exchange housing 3 and cause danger, such that it is able to improve the safety of heat-exchanger rig, and can so that the relatively low cooling medium such as water of temperature is supplemented into by inlet tube 14.
Embodiment two,
As in figure 2 it is shown, air-conditioner outdoor unit in the present embodiment 100 and the difference is that only in above-described embodiment one: the structure of heat-exchanger rig and cooling range.Other structures of air-conditioner outdoor unit 100 in the present embodiment are essentially identical with above-described embodiment one, are not discussed here.
As in figure 2 it is shown, in the present embodiment, heat-exchanger rig includes heat exchange housing 3 and at least one heat exchanger tube 4, and heat exchange housing 3 is corresponding with motor and heat exchange housing 3 surrounds compressor body 2 and arranges, and limits heat transfer space between heat exchange housing 3 and motor.A part for heat exchanger tube 4 is positioned at heat exchange housing 3, has the second heat transferring medium in heat exchanger tube 4, heat exchanger tube 4 be configured to compressor body 2 heat exchange after the second heat exchange medium flow a to part and first heat transferring medium of heat exchanger tube 4 carry out heat exchange.Further, heat exchanger tube 4 is heat pipe, and heat exchanger tube 4 has the first end 41 and the second end 42, first end 41 is (such as, upper end in Fig. 2) stretch in heat exchange housing 3, the second end 42 (such as, the lower end in Fig. 2) stretches into compressor body 2 and is connected with compression mechanism.
Specifically, after the second heat transferring medium in the second end 42 of heat exchanger tube 4 and compression mechanism carry out heat exchange, temperature raises gasification for gaseous state, such that it is able to take away the amount of heat that compression mechanism produces.Second heat transferring medium of gaseous state travels up in the first end 41 of heat exchanger tube 4 from the second end 42 of heat exchanger tube 4, and carry out heat exchange with the first heat transferring medium such as water in heat transfer space, second heat exchange medium temperature reduction of gaseous state is liquefied as liquid, second heat transferring medium of liquid backs downward into the second end 42 to heat exchanger tube 4 from the first end 41 of heat exchanger tube 4, cool down thereby through the second heat transferring medium in the first heat transferring medium exchange heat pipe 4 in heat transfer space, the circulating cooling to compression mechanism can be realized, improve the efficiency of compressor and the service life of compressor can be extended.
Wherein, heat exchanger tube 4 can be one, it is also possible to for multiple, and when heat exchanger tube 4 is multiple, multiple heat exchanger tubes 4 along housing 21 circumferentially, but can be not limited to this.Thus, it is possible to improve the cooling effect to compression mechanism further.
Now, motor both can be cooled down by heat-exchanger rig, it is also possible to compression, mechanism cools down.Thus, it is possible to improve the cooling effectiveness of compressor further and the service life of compressor can be improved further.It is, by the first heat transferring medium such as water in heat transfer space, motor is made directly cooling that motor is cooled down by heat-exchanger rig, and it is that the second heat transferring medium by heat exchanger tube 4 cools down that compression mechanism is cooled down by heat-exchanger rig.Alternatively, the second heat transferring medium can be identical with the work coolant of compressor body 2, it is also possible to is other the medium with gas-liquid two-phase state, for instance freon, water, ethanol, methanol etc..
It addition, the heat exchanger tube 4 in the present embodiment can also adopt other form and structure.Such as, heat exchanger tube 4 can include the import pipeline section, heat exchange pipeline section and the outlet pipe section that are sequentially connected, heat exchange pipeline section is located in heat exchange housing 3, import pipeline section stretches into compressor body 2 and is connected with the compression mechanism of compression body with the free end of outlet pipe section, and outlet pipe section can be located at the lower section of import pipeline section.Thus, the second heat transferring medium in heat exchanger tube 4 and temperature rising after the heat exchange of compression mechanism, the second heat transferring medium that temperature is higher flows into heat exchange pipeline section through the import pipeline section of heat exchanger tube 4, the second heat transferring medium flowed in heat exchange pipeline section carries out heat exchange with the first heat transferring medium in heat transfer space, now the second heat exchange medium temperature reduction in heat exchange pipeline section the outlet pipe section through heat exchanger tube 4 flow back into compression mechanism, such that it is able to realize the circulating cooling to compression mechanism.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that: these embodiments can being carried out multiple change, amendment, replacement and modification when without departing from principle of the present utility model and objective, scope of the present utility model is limited by claim and equivalent thereof.
Claims (15)
1. an air-conditioner outdoor unit, it is characterised in that including:
Body；With
Compressor, described compressor is located in described body, described compressor includes compressor body and heat-exchanger rig, described compressor body includes housing, be located in described housing motor and compression mechanism, described heat-exchanger rig includes heat exchange housing, described heat exchange housing be located at described housing outer and and described housing between limit heat transfer space, there is in described heat transfer space the first heat transferring medium.
2. air-conditioner outdoor unit according to claim 1, it is characterised in that described heat exchange housing is corresponding with described motor.
3. air-conditioner outdoor unit according to claim 1 and 2, it is characterised in that described heat-exchanger rig farther includes:
At least one heat exchanger tube, a part for described heat exchanger tube is positioned at described heat exchange housing, there is in described heat exchanger tube the second heat transferring medium, described heat exchanger tube be configured to described compressor body heat exchange after described second heat exchange medium flow to a described part and described first heat transferring medium of described heat exchanger tube carry out heat exchange.
4. air-conditioner outdoor unit according to claim 3, it is characterized in that, described heat exchanger tube is heat pipe, and described heat exchanger tube has the first end and the second end, described first end stretches in described heat exchange housing, and described second end stretches into described compressor body and is connected with described compressor body.
5. air-conditioner outdoor unit according to claim 4, it is characterised in that described second end of described heat exchanger tube is connected with described compression mechanism.
6. air-conditioner outdoor unit according to claim 3, it is characterized in that, described heat exchanger tube includes the import pipeline section, heat exchange pipeline section and the outlet pipe section that are sequentially connected, described heat exchange pipeline section is located in described heat exchange housing, and described import pipeline section stretches into described compressor body and is connected with described compressor body with the free end of described outlet pipe section.
7. air-conditioner outdoor unit according to claim 1, it is characterised in that the bottom of described heat exchange housing is formed with tap, described heat exchange housing is provided with closure member to open and close described tap.
8. air-conditioner outdoor unit according to claim 7, it is characterized in that, described compressor body is provided with temperature sensor, and described closure member is configured to open described tap when described temperature sensor detects the temperature of described compressor body lower than predetermined temperature threshold.
9. air-conditioner outdoor unit according to claim 8, it is characterised in that described predetermined temperature threshold is 20 DEG C～50 DEG C.
10. air-conditioner outdoor unit according to claim 1, it is characterised in that being formed with connected entrance on described body, the top of described heat exchange housing is provided with inlet tube, and the free end of described inlet tube is adapted to pass through described connected entrance.
11. air-conditioner outdoor unit according to claim 10, it is characterised in that farther include:
Connector, described connector is located on described body and is positioned at described connected entrance place, described connector has the first state and the second state, and described connector closes described connected entrance when being formed at described first state, when described second state, the free end of described inlet tube is adapted to pass through described connected entrance.
12. air-conditioner outdoor unit according to claim 10, it is characterised in that described body has upper cover plate, wherein said connected entrance is formed on described upper cover plate.
13. air-conditioner outdoor unit according to claim 1, it is characterised in that the top of described heat exchange housing is formed with overfall.
14. air-conditioner outdoor unit according to claim 1, it is characterised in that the open-top of described heat exchange housing.
15. air-conditioner outdoor unit according to claim 1, it is characterised in that described first heat transferring medium is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012662.5U CN205351567U (en) | 2016-01-04 | 2016-01-04 | Air conditioner outdoor unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012662.5U CN205351567U (en) | 2016-01-04 | 2016-01-04 | Air conditioner outdoor unit |
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| CN205351567U true CN205351567U (en) | 2016-06-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583368A (en) * | 2016-11-24 | 2017-04-26 | 北京航天试验技术研究所 | Vapor phase cleaning system of propellant storage tank |
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2016
- 2016-01-04 CN CN201620012662.5U patent/CN205351567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583368A (en) * | 2016-11-24 | 2017-04-26 | 北京航天试验技术研究所 | Vapor phase cleaning system of propellant storage tank |
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