CN207132603U - Reservoir and compressor - Google Patents
Reservoir and compressor Download PDFInfo
- Publication number
- CN207132603U CN207132603U CN201720934803.3U CN201720934803U CN207132603U CN 207132603 U CN207132603 U CN 207132603U CN 201720934803 U CN201720934803 U CN 201720934803U CN 207132603 U CN207132603 U CN 207132603U
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- pipeline section
- magnetic force
- pipe
- force piece
- insertion pipeline
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Abstract
The utility model provides a kind of reservoir and compressor, wherein, reservoir includes：Housing and escape pipe, chamber is limited in the housing, the escape pipe be fixedly mounted on the bottom of the housing and with the chamber, and the escape pipe has the insertion pipeline section inserted in the chamber, the insertion pipeline section can stretch, and the insertion pipeline section is provided with the buoyant device that can be swum in liquid refrigerants, the buoyant device is used to lift with the liquid surface lifting of liquid refrigerants, so that the insertion pipeline section stretches therewith.This programme can reduce vibration and the noise of escape pipe by the telescopic design of escape pipe while reservoir liquid storage effect is ensured.
Description
Technical field
Compressor field is the utility model is related to, more specifically, is related to a kind of reservoir, and one kind has above-mentioned storage
The compressor of liquid device.
Background technology
In correlation technique, escape pipe is provided with reservoir, the length of escape pipe is fixed, and the selection of the length is particularly heavy
Will：When outlet length of tube is shorter, the liquid storage capacity of reservoir is poor, and liquid is easy to cover outlet mouth of pipe；When outlet pipe range
When degree is longer, when compresser cylinder sucks gaseous coolant by escape pipe, length of flow increase of the gaseous coolant in escape pipe, edge
Journey resistance increase, because the hanging section of escape pipe is longer, thus the increase of gaseous coolant length of flow can cause escape pipe vibration and
Noise increases.
Utility model content
The utility model aims to solve the problem that at least one technical problem present in prior art.
Therefore, a purpose of the present utility model is, there is provided a kind of adjustable length reservoir of escape pipe.
Another purpose of the present utility model is, there is provided a kind of compressor, including above-mentioned reservoir.
To achieve the above object, the embodiment of the utility model first aspect provides a kind of reservoir, including：Housing and
Escape pipe, chamber is limited in the housing, and the escape pipe is fixedly mounted on the bottom of the housing and connected with the chamber
It is logical, and the escape pipe has the insertion pipeline section inserted in the chamber, the insertion pipeline section can stretch, and the insertion tube
Section is provided with the buoyant device that can swim in liquid refrigerants, the buoyant device be used for the liquid surface lifting with liquid refrigerants and
Lifting, so that the insertion pipeline section stretches therewith.
In this programme, the insertion pipeline section that escape pipe is located in housing is scalable, inserts on pipeline section and is provided with buoyant device, stores up
When liquid refrigerants is more in liquid device, buoyant device floats with the liquid level of liquid refrigerants, makes insertion tube segment elongation, until insertion pipeline section
After reaching maximum length, liquid refrigerants continues to increase the mouth of pipe that can just cover escape pipe, and so design can lift the storage of reservoir
Liquid energy power, and pipeline section entirety or the overwhelming majority are inserted in liquid refrigerants, hanging section is short, can so reduce shaking for escape pipe
It is dynamic, so as to reduce the noise of compressor.When liquid refrigerants is less in reservoir, the liquid level of liquid refrigerants declines, and insertion pipeline section exists
Shorten under buoyant device and self gravitation effect, buoyant device is maintained at the liquid level position of liquid refrigerants, until insertion pipeline section
Minimum length is reached, so design reduces the length of insertion pipeline section, reduces length of flow of the gaseous coolant in escape pipe,
On-way resistance reduces, so as to reduce the vibration of escape pipe and noise increase.
In the above-mentioned technical solutions, alternatively, the insertion pipeline section includes the more son being socketed successively pipes, two neighboring son
The seal of tube is connected and axially opposed can slided, so that the insertion pipeline section can stretch, the sub- Guan Shangshe positioned at the top
There is the buoyant device.
In this programme, the insertion pipeline section of escape pipe uses the design of similar fishing rod, and insertion pipeline section is socketed successively including more
Son pipe so that insertion pipeline section can stretch, and the connection of the two neighboring sub- seal of tube, to prevent liquid refrigerants by two neighboring son
The link position of pipe enters escape pipe, so as to ensure the liquid storage effect of reservoir.
In any of the above-described technical scheme, it is preferable that the bottom of the upper prescription pipe in two neighboring sub- pipe and lower prescription pipe
Top be provided with the limiting section that is engaged.
In this programme, limiting section is respectively equipped with two neighboring sub- pipe, wherein, the limiting section on outer tube is defined into pipe
The structure of side protrusion, the limiting section in inner tube are defined to the structure to protrusion on the outside of pipe, restriction are mutually contradicted by two limiting sections
The extreme position of sub- pipe stretching, extension, to prevent two sub- pipes from separating.
In any of the above-described technical scheme, it is preferable that the external diameter of the sub- pipe in inner side in two neighboring sub- pipe is managed with outside
Internal diameter adaptation.
In one embodiment of the present utility model, the buoyant device is the part of inner hollow.
In this programme, insert on pipeline section and buoyant device is installed, the design of buoyant device inner hollow can be insertion pipeline section
Powerful buoyancy is provided, avoid insert pipeline section because natural buoyancy is too small can not float the problem of, so as to lift product
Reliability.And buoyant device is installed and inserted at the mouth of pipe of pipeline section, it so can at utmost reduce insertion pipeline section and stretch out liquid level
Length, shorten the hanging section of escape pipe, so as to reduce the vibration of escape pipe and noise.
Wherein, it can also be multiple that the quantity of buoyant device, which can be one,.
In one embodiment of utility model, the insertion pipeline section is less than the material system of liquid refrigerants density by density
Into enabling the insertion pipeline section to be stretched under itself suffered buoyancy and self gravitation effect.
In this programme, the material that insertion pipeline section is less than liquid refrigerants density by density is made, and insertion pipeline section itself is turned into
Buoyant device, before insertion pipeline section does not reach maximum length, insertion pipeline section rise in the presence of itself suffered buoyancy with liquid level and
Elongation, before insertion pipeline section does not reach minimum length, insertion pipeline section declines in the presence of itself suffered gravity and shortened with liquid level,
So design need not install extra buoyant device on insertion pipeline section, save the cost of product, and product parts quantity
Few, assembly manipulation is simple, so as to lift the production efficiency of assembling of product.
In any of the above-described technical scheme, alternatively, on the insertion pipeline section or the buoyant device it is additionally provided with contraction and helps
Power apparatus, the power assisting device that shrinks is used to provide downward active force to the insertion pipeline section, so that the insertion pipeline section energy
It is enough to shorten in gravity with described shrink in the presence of power assisting device provides active force.
It is sufficiently large in the available buoyancy of buoyant device, and buoyant device and insertion pipeline section gravity it is smaller when, it is necessary to
Installed additional on insertion pipeline section or buoyant device and shrink power assisting device, shunk power assisting device and be used to provide downward work to insertion pipeline section
Firmly, to avoid causing to insert pipeline section because the gravity of buoyant device and insertion pipeline section is too small and with liquid level can not declining and shorten
Problem occurs, so as to lift the reliability of product.
In any of the above-described technical scheme, alternatively, the contraction power assisting device is spring element, the first of the spring element
The pipeline section or buoyant device is fixedly connected, the second end is fixedly connected with the housing is inserted in end with described, wherein, the elastic force
Second end of part is located at the lower section of its first end, and the spring element is in extended state, or the of the spring element all the time
Two ends are located at the top of its first end, and the spring element is in compressive state all the time.
Specifically, it can also be multiple that the quantity of spring element, which can be one,.
In one embodiment of the present utility model, spring element is spring, and the top of spring is consolidated with inserting the top of pipeline section
Fixed connection, the bottom of spring is fixedly connected with the casing.
In another embodiment of the present utility model, spring element is stretch cord, and the top of stretch cord is with inserting pipeline section
Top is fixedly connected, and the bottom of stretch cord is fixedly connected with the casing.
The contraction power assisting device includes the first magnetic force piece and the second magnetic force piece, and first magnetic force piece is fixedly mounted on institute
To state on insertion pipeline section or the buoyant device, second magnetic force piece is fixedly mounted on housing, wherein, the second magnetic force piece position
In the lower section of first magnetic force piece, and second magnetic force piece attracts first magnetic force piece, or second magnetic all the time
Power part is located at the top of first magnetic force piece, and second magnetic force piece repels first magnetic force piece all the time.
Specifically, magnetic means can include one group of first magnetic force piece and the second magnetic force piece, can also include multigroup first
Magnetic force piece and the second magnetic force piece.
In any of the above-described technical scheme, alternatively, the reservoir also includes air inlet pipe and filter, the air inlet pipe
It is fixedly mounted on the top of the housing and is fixedly mounted in the chamber and is located at the chamber, the filter
Between the air inlet pipe and the escape pipe.
In any of the above-described technical scheme, alternatively, the escape pipe and the buoyant device are made up of plastic material.
It should be noted that the reservoir that the utility model embodiment provides is applied to any type of compressor, such as
Piston compressor, rotary compressor etc..
The embodiment of the utility model second aspect provides a kind of compressor, including the utility model first aspect is any
The reservoir that embodiment provides.
The compressor that the utility model second aspect embodiment provides, has the utility model first aspect any embodiment
The reservoir of offer, therefore the compressor has whole beneficial effects of the reservoir of any of the above-described embodiment offer, herein not
Repeat again.
Additional utility model and advantage of the present utility model will become obvious in following description section, or pass through this reality
Recognized with new practice.
Brief description of the drawings
Description of the of the present utility model above-mentioned and/or additional utility model and advantage from combination accompanying drawings below to embodiment
In will be apparent and be readily appreciated that, wherein：
Fig. 1 is the structural representation for the reservoir that one embodiment of the present utility model provides；
Fig. 2 is the structural representation for the reservoir that another embodiment of the present utility model provides；
Fig. 3 is the structural representation for the reservoir that further embodiment of the present utility model provides.
Wherein, the corresponding relation between the reference in Fig. 1 to Fig. 3 and component names is：
1 housing, 2 escape pipes, 21 insertion pipeline sections, 3 buoyant devices, 4 air inlet pipe, 5 filters, 6 springs, 7 stretch cords.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
It is new to be different from mode described here using other and implement, therefore, the scope of protection of the utility model not by
The limitation of following public specific embodiment.
According to a kind of reservoir of the utility model embodiment, as shown in Figure 1 to Figure 3, reservoir includes：Housing 1 and go out
Tracheae 2, limits chamber in housing 1, escape pipe 2 be fixedly mounted on the bottom of housing 1 and and chamber, and escape pipe 2 has
Have insertion chamber in insertion pipeline section 21, insertion pipeline section 21 can stretch, and insert pipeline section 21 be provided with can swim in liquid
Buoyant device 3 in refrigerant, buoyant device 3 are used to lift with the liquid surface lifting of liquid refrigerants, so that insertion pipeline section 21 is therewith
It is flexible.
In this programme, the insertion pipeline section 21 that escape pipe 2 is located in housing 1 is scalable, inserts on pipeline section 21 and is provided with buoyancy
Device 3, when liquid refrigerants is more in reservoir, buoyant device 3 floats with the liquid level of liquid refrigerants, extends insertion pipeline section 21,
Until after insertion pipeline section 21 reaches maximum length, liquid refrigerants continues to increase the mouth of pipe that can just cover escape pipe 2, and so design can
The liquid storage capacity of reservoir is lifted, and inserts the entirety of pipeline section 21 or the overwhelming majority in liquid refrigerants, hanging section is short, so may be used
Reduce the vibration of escape pipe 2, so as to reduce the noise of compressor.When liquid refrigerants is less in reservoir, the liquid level of liquid refrigerants
Decline, insertion pipeline section 21 shortens under buoyant device 3 and self gravitation effect, buoyant device 3 is maintained at the liquid of liquid refrigerants
Face position, until insertion pipeline section 21 reaches minimum length, so design reduces the length of insertion pipeline section 21, gaseous coolant is existed
Length of flow in escape pipe 2 reduces, and on-way resistance reduces, so as to reduce the vibration of escape pipe 2 and noise increase.
In one embodiment of the present utility model, the material that insertion pipeline section is less than liquid refrigerants density by density is made,
Insertion pipeline section is set to be stretched under itself suffered buoyancy and self gravitation effect.
In this programme, the material that insertion pipeline section is less than liquid refrigerants density by density is made, and insertion pipeline section itself is turned into
Buoyant device, before insertion pipeline section does not reach maximum length, insertion pipeline section rise in the presence of itself suffered buoyancy with liquid level and
Elongation, before insertion pipeline section does not reach minimum length, insertion pipeline section declines in the presence of itself suffered gravity and shortened with liquid level,
So design need not install extra buoyant device on insertion pipeline section, save the cost of product, and product parts quantity
Few, assembly manipulation is simple, so as to lift the production efficiency of assembling of product.
In one embodiment of the present utility model, as shown in figure 1, buoyant device 3 is the part of inner hollow, installation position
Put concordant with the mouth of pipe for inserting pipeline section 21.
In this programme, insert on pipeline section 21 and buoyant device 3 is installed, the design of the inner hollow of buoyant device 3 can be insertion
Pipeline section 21 provides powerful buoyancy, avoid insert pipeline section 21 because natural buoyancy is too small can not float the problem of, so as to carry
Rise the reliability of product.And buoyant device 3 is installed and inserted at the mouth of pipe of pipeline section 21, it so can at utmost reduce insertion pipeline section
21 stretch out the length of liquid level, shorten the hanging section of escape pipe 2, so as to reduce the vibration of escape pipe 2 and noise.
Wherein, it can also be multiple that the quantity of buoyant device 3, which can be one,.
Specifically, for the insertion pipeline section 21 in this programme using the design of similar fishing rod, inserting pipeline section 21 includes more successively
The son pipe of socket, two neighboring sub- pipe axially opposed can slide, so that insertion pipeline section 21 can stretch, and two neighboring son
The seal of tube connects, to prevent liquid refrigerants from entering escape pipe by the link position of two neighboring sub- pipe, so as to ensure reservoir
Liquid storage effect.Wherein, the sub- pipe positioned at the top is provided with buoyant device 3, the external diameter of the sub- pipe in inner side in two neighboring sub- pipe
It is adapted to the internal diameter of the sub- pipe in outside, so that the gap between two sub- pipes easily seals, the bottom of the upper prescription pipe in two neighboring sub- pipe
End and the top of lower prescription pipe are provided with the limiting section being engaged, and the limit position of limit stator tube stretching, extension is mutually contradicted by two limiting sections
Put, to prevent two sub- pipes from separating.
In any of the above-described technical scheme, alternatively, insert on pipeline section 21 or buoyant device 3 to be additionally provided with and shrink power-assisted dress
Put, shrink power assisting device and be used to provide downward active force to insertion pipeline section 21, so that insertion pipeline section 21 can be in gravity and receipts
Contracting power assisting device shortens in the presence of providing active force.
It is sufficiently large in 3 available buoyancy of buoyant device, and buoyant device 3 and insertion pipeline section 21 gravity it is smaller when,
Need to install additional on insertion pipeline section 21 or buoyant device 3 and shrink power assisting device, shrink power assisting device and be used to carry to insertion pipeline section 21
Active force under feeding to, to avoid, because the gravity of buoyant device 3 and insertion pipeline section 21 is too small, cause to insert pipeline section 21 can not be with
The problem of liquid level declines and shortened, so as to lift the reliability of product.
Alternatively, it is spring element to shrink power assisting device, and first end and the insertion pipeline section 21 or buoyant device 3 of spring element are fixed
Connection, the second end are fixedly connected with housing 1, wherein, the second end of spring element is located at the lower section of its first end, and spring element is all the time
It is located at the top of its first end in the second end of extended state, or spring element, and spring element is in compressive state all the time.
Specifically, it can also be multiple that the quantity of spring element, which can be one,.
In one embodiment of the present utility model, as shown in Fig. 2 spring element is spring 6, the top of spring 6 and insertion
The top of pipeline section 21 is fixedly connected, and the bottom of spring 6 is fixedly connected with housing 1.
In another embodiment of the present utility model, as shown in figure 3, spring element is stretch cord 7, the top of stretch cord 7
It is fixedly connected with the top for inserting pipeline section 21, the bottom of stretch cord 7 is fixedly connected with housing 1.
Alternatively, shrinking power assisting device includes the first magnetic force piece and the second magnetic force piece, and the first magnetic force piece is fixedly mounted on slotting
Entering on pipeline section or buoyant device, the second magnetic force piece is fixedly mounted on housing, wherein, the second magnetic force piece is located under the first magnetic force piece
Side, and the second magnetic force piece attracts the first magnetic force piece, or the second magnetic force piece to be located at the top of the first magnetic force piece, and the second magnetic all the time
Power part repels the first magnetic force piece all the time.
Specifically, magnetic means can include one group of first magnetic force piece and the second magnetic force piece, can also include multigroup first
Magnetic force piece and the second magnetic force piece.
In any of the above-described technical scheme, as shown in Figures 1 to 3, reservoir also includes air inlet pipe 4 and filter 5, air inlet pipe
4 are fixedly mounted on the top of housing 1 and are fixedly mounted in chamber with chamber, filter 5 and are located at air inlet pipe 4 and outlet
Between pipe 2.
In any of the above-described technical scheme, alternatively, the escape pipe and the buoyant device are made up of plastic material.
It should be noted that the reservoir that the utility model embodiment provides is applied to any type of compressor, example
Such as piston compressor, rotary compressor.
The embodiment of the utility model second aspect provides a kind of compressor, including the utility model first aspect is any
The reservoir that embodiment provides.
The compressor that the utility model second aspect embodiment provides, has the utility model first aspect any embodiment
The reservoir of offer, therefore the compressor has whole beneficial effects of the reservoir of any of the above-described embodiment offer, herein not
Repeat again.
In description of the present utility model, the orientation or position relationship of the instruction such as term " on ", " under ", " top ", " bottom " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining specific features, structure, material or feature that the embodiment or example describe is contained in of the present utility model at least one
In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term
Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
In description of the present utility model, term " first ", " second " are only used for the purpose of description, and it is not intended that referring to
Show or imply relative importance, unless otherwise clearly defined and limited；Term " connection ", " installation ", " fixation " etc. all should be done
It broadly understood, for example, " connection " can be fixedly connected or be detachably connected, or be integrally connected；Can be direct
It is connected, can also be indirectly connected by intermediary.For the ordinary skill in the art, can be as the case may be
Understand concrete meaning of the above-mentioned term in the utility model.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of reservoir, including：Housing and escape pipe, chamber are limited in the housing, the escape pipe is fixedly mounted on
The bottom of the housing and with the chamber, and the escape pipe has the insertion pipeline section inserted in the chamber, and it is special
Sign is,
The insertion pipeline section can stretch, and the insertion pipeline section is provided with the buoyant device that can be swum in liquid refrigerants,
The buoyant device is used to lift with the liquid surface lifting of liquid refrigerants, so that the insertion pipeline section stretches therewith.
2. reservoir according to claim 1, it is characterised in that
The insertion pipeline section includes the more son being socketed successively pipes, and two neighboring sub- seal of tube connection simultaneously being capable of axially opposed cunning
Dynamic, so that the insertion pipeline section can stretch, the sub- pipe positioned at the top is provided with the buoyant device.
3. reservoir according to claim 2, it is characterised in that
The bottom of upper prescription pipe in two neighboring sub- pipe and the top of lower prescription pipe are provided with the limiting section being engaged, two neighboring
The external diameter of the sub- pipe in inner side in sub- pipe is adapted to the internal diameter of the sub- pipe in outside.
4. reservoir according to any one of claim 1 to 3, it is characterised in that
The buoyant device is the part of inner hollow.
5. reservoir according to any one of claim 1 to 3, it is characterised in that
The material that the insertion pipeline section is less than liquid refrigerants density by density is made, and enables the insertion pipeline section suffered by itself
Stretched under buoyancy and self gravitation effect.
6. reservoir according to any one of claim 1 to 3, it is characterised in that
Contraction power assisting device is additionally provided with the insertion pipeline section or the buoyant device, the contraction power assisting device is used for described
Insert pipeline section and downward active force is provided, so that the insertion pipeline section can provide work in gravity and the contraction power assisting device
Shorten in the presence of firmly.
7. reservoir according to claim 6, it is characterised in that
The contraction power assisting device is spring element, and the first end of the spring element is consolidated with the insertion pipeline section or the buoyant device
Fixed connection, the second end are fixedly connected with the housing,
Wherein, the second end of the spring element is located at the lower section of its first end, and the spring element is in extended state all the time, or
Second end of spring element described in person is located at the top of its first end, and the spring element is in compressive state all the time.
8. reservoir according to claim 6, it is characterised in that
The contraction power assisting device includes the first magnetic force piece and the second magnetic force piece, and first magnetic force piece is fixedly mounted on described insert
Entering on pipeline section or the buoyant device, second magnetic force piece is fixedly mounted on housing,
Wherein, second magnetic force piece is located at the lower section of first magnetic force piece, and second magnetic force piece attract all the time it is described
First magnetic force piece, or second magnetic force piece are located at the top of first magnetic force piece, and second magnetic force piece is arranged all the time
Denounce first magnetic force piece.
9. reservoir according to any one of claim 1 to 3, it is characterised in that
The reservoir also includes air inlet pipe and filter, the air inlet pipe be fixedly mounted on the top of the housing and with it is described
Chamber, the filter are fixedly mounted in the chamber and between the air inlet pipe and the escape pipe.
10. a kind of compressor, it is characterised in that including reservoir such as according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720934803.3U CN207132603U (en) | 2017-07-28 | 2017-07-28 | Reservoir and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720934803.3U CN207132603U (en) | 2017-07-28 | 2017-07-28 | Reservoir and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207132603U true CN207132603U (en) | 2018-03-23 |
Family
ID=61639835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720934803.3U Active CN207132603U (en) | 2017-07-28 | 2017-07-28 | Reservoir and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207132603U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289689A (en) * | 2017-07-28 | 2017-10-24 | 安徽美芝精密制造有限公司 | reservoir and compressor |
| CN109631432A (en) * | 2018-11-30 | 2019-04-16 | 青岛海尔空调器有限总公司 | A kind of fluid reservoir applied to compressor |
-
2017
- 2017-07-28 CN CN201720934803.3U patent/CN207132603U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289689A (en) * | 2017-07-28 | 2017-10-24 | 安徽美芝精密制造有限公司 | reservoir and compressor |
| CN109631432A (en) * | 2018-11-30 | 2019-04-16 | 青岛海尔空调器有限总公司 | A kind of fluid reservoir applied to compressor |
| CN109631432B (en) * | 2018-11-30 | 2020-05-29 | 青岛海尔空调器有限总公司 | Liquid storage tank applied to compressor |
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