CN107477708B - Compressor and air conditioner with same - Google Patents
Compressor and air conditioner with same Download PDFInfo
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- CN107477708B CN107477708B CN201710736148.5A CN201710736148A CN107477708B CN 107477708 B CN107477708 B CN 107477708B CN 201710736148 A CN201710736148 A CN 201710736148A CN 107477708 B CN107477708 B CN 107477708B
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- compressor
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- damper
- cavity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
- F24F1/12—Vibration or noise prevention thereof
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses a compressor and an air conditioner with the same, the compressor comprises: the shell is provided with an exhaust port; at least one damper assembly, every damper assembly includes damper shell and metal particle, and the damper shell is established on the periphery wall of casing and is equipped with at least one damper chamber in the damper shell, and the at least lower part space in every damper chamber is filled with a plurality of metal particles. According to the compressor provided by the embodiment of the invention, the damping component is arranged on the peripheral wall of the shell, the damping component comprises the damping shell and a plurality of metal particles, vibration generated by the compressor can be transmitted to the damping component through the shell, collision and friction can be continuously carried out between the metal particles and the inner wall of the damping cavity and between the metal particles and the metal particles, the kinetic energy of one part of vibration is counteracted through mutual collision, the kinetic energy of the other part of vibration is converted into friction heat energy, and the heat is discharged out of the compressor through the damping shell, so that the damping effect can be achieved, and the working noise of the compressor can be reduced.
Description
Technical Field
The invention relates to the field of refrigeration, in particular to a compressor and an air conditioner with the same.
Background
Currently, air conditioners are mainly powered by compressors. When the compressor is operated, vibration generated by the compressor can be directly transmitted to the sheet metal part at the bottom through the foot pad, and then noise can be radiated. In addition, vibration of the compressor is transmitted to the condenser and the right shroud through the piping, so that a large noise is generated, thereby increasing the operation noise of the air conditioner.
In the related art, a rubber ring is provided on a compressor to absorb shock. Because the rubber ring is not easy to compress and deform, the damping effect is poor, and the use effect of a user is affected.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the compressor which has the advantages of simple structure and capability of reducing the noise of the air conditioner.
The invention also provides an air conditioner with the compressor.
According to an embodiment of the present invention, a compressor includes: the shell is provided with an exhaust port; at least one damper assembly, every damper assembly includes damper shell and metal granule, the damper shell is established on the periphery wall of casing just be equipped with at least one damper chamber in the damper shell, every at least lower part space in damper chamber is filled with a plurality of metal granule.
According to the compressor provided by the embodiment of the invention, the damping component is arranged on the peripheral wall of the shell, the damping component comprises the damping shell and a plurality of metal particles, when the compressor works, vibration generated by the compressor can be transmitted to the damping component through the shell, the plurality of metal particles in the damping cavity can continuously collide and rub between the metal particles and the inner wall of the damping cavity and between the metal particles and the metal particles under the action of the vibration, part of the kinetic energy of the vibration is counteracted through mutual collision, the other part of the kinetic energy of the vibration is converted into frictional heat energy, and the heat is discharged out of the compressor through the damping shell, so that the damping effect can be achieved, and the working noise of the compressor can be reduced. The damping component has simple structure and convenient operation, and can realize better damping effect.
According to some embodiments of the invention, the filling rate of the metal particles in each of the shock absorbing chambers is 70% to 80% of the volume of the corresponding shock absorbing chamber.
According to some embodiments of the invention, each of the metal particles is formed as a sphere.
In some embodiments of the invention, each of the metal particles has a diameter of 0.05 to 5mm.
According to some embodiments of the invention, an elastic material piece is disposed on an inner peripheral wall of each shock absorbing cavity, and a disposition height of the elastic material piece is not smaller than a filling height of the metal particles.
In some embodiments of the invention, the elastomeric member completely covers the inner peripheral wall of the shock absorbing chamber.
In some embodiments of the invention, the resilient material is a rubber material.
According to some embodiments of the invention, each of the shock absorbing shells includes a base defining an open-top cavity therein, and an upper cover provided on the base to close the cavity to define the shock absorbing cavity, the base being fixed to an outer peripheral wall of the shell.
According to some embodiments of the invention, the shock absorbing assembly is a plurality of shock absorbing assemblies and is symmetrically distributed relative to a central axis of the housing.
In some embodiments of the present invention, a plurality of the shock absorbing members are provided at both sides of the central axis of the housing at intervals in the up-down direction, respectively.
An air conditioner according to an embodiment of the present invention includes a compressor according to the above-described embodiment of the present invention.
According to the air conditioner provided by the embodiment of the invention, the compressor is arranged on the peripheral wall of the shell of the compressor, the damping component comprises the damping shell and a plurality of metal particles, when the compressor works, vibration generated by the compressor can be transmitted to the damping component through the shell, the plurality of metal particles in the damping cavity can be continuously collided and rubbed between the metal particles and the inner wall of the damping cavity and between the metal particles and the metal particles under the action of vibration, the kinetic energy of one part of vibration is counteracted through mutual collision, the kinetic energy of the other part of vibration is converted into frictional heat energy, and the heat is discharged out of the compressor through the damping shell, so that the damping effect can be achieved, and the working noise of the compressor can be reduced. The damping component has simple structure and convenient operation, and can realize better damping effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a front view of a compressor according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;
FIG. 3 is a cross-sectional view of a shock absorbing assembly according to an embodiment of the present invention;
fig. 4 is a schematic view of the overall structure of a compressor according to an embodiment of the present invention.
Reference numerals:
the compressor 100 is configured to provide a compressor,
the housing 10 is provided with a plurality of openings,
damper assembly 20, damper housing 210, base 2110, upper cover 2120, metal particles 220, damper chamber 230, and elastomeric member 240.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "top", "bottom", "inner", "outer", "circumferential", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
A compressor 100 according to an embodiment of the present invention, which can be used in an air conditioner, is described below with reference to fig. 1 to 4.
As shown in fig. 1-2 and 4, a compressor 100 according to an embodiment of the present invention includes a housing 10 and at least one shock absorbing assembly 20. The housing 10 is provided with an exhaust port. When the compressor 100 is operated, the compressor 100 compresses the refrigerant, and after the refrigerant is compressed, the refrigerant is discharged from the discharge port of the casing 10.
Each damper assembly 20 includes a damper shell 210 and metal particles 220, the damper shell 210 being provided on an outer circumferential wall of the housing 10 and at least one damper cavity 230 being provided in the damper shell 210, at least a lower space of each damper cavity 230 being filled with the plurality of metal particles 220. Specifically, the damper housing 210 is provided on the outer circumferential wall of the housing 10 of the compressor 100, the damper housing 210 is of a hollow housing structure, a damper chamber 230 is defined in the damper housing 210, and a plurality of metal particles 220 are placed in the damper chamber 230 and can move in the damper chamber 230.
When the compressor 100 is operated, the compressor 100 generates vibration, the vibration is transmitted to the damper assembly 20 through the housing 10, the plurality of metal particles 220 in the damper cavity 230 move in the damper cavity 230 under the action of the vibration, collision and friction can be continuously performed between the metal particles 220 and the inner wall of the damper cavity 230 and between the metal particles 220 and the metal particles 220, kinetic energy of one part of the vibration is counteracted by mutual collision, kinetic energy of the other part of the vibration is converted into frictional heat energy, and the heat is discharged out of the compressor 100 through the damper shell 210, so that the damping effect can be achieved, and thus, the working noise of the compressor 100 can be reduced.
Alternatively, a plurality of damper chambers 230 may be provided in each damper housing 210, each damper chamber 230 being partitioned by a partition, and a plurality of metal particles 220 being provided in each damper chamber 230. When the compressor 100 is operated, vibration is transmitted to the damper assembly 20 through the housing 10, and collision occurs between the plurality of metal particles 220 in the plurality of damper chambers 230 in the damper assembly 20 and between the inner walls of the damper chambers 230 corresponding thereto, so that the damper efficiency of the damper assembly 20 can be improved, and the operation noise of the compressor 100 can be reduced to the maximum extent.
It should be noted that, since the plurality of metal particles 220 are disposed in the damper chamber 230, the plurality of metal particles 220 may perform irregular movement in the damper chamber 230 under the action of vibration, so that the collision and friction of the plurality of metal particles 220 may counteract the vibration of various frequencies, and may increase the damping frequency bandwidth of the damper assembly 20, thereby maximally reducing the operation noise of the compressor 100.
According to the compressor 100 of the embodiment of the present invention, the damper assembly 20 is disposed on the outer peripheral wall of the casing 10, the damper assembly 20 includes the damper shell 210 and the plurality of metal particles 220, when the compressor 100 operates, vibration generated by the compressor 100 may be transmitted to the damper assembly 20 through the casing 10, the plurality of metal particles 220 in the damper cavity 230 may continuously collide and rub between the metal particles 220 and the inner wall of the damper cavity 230 and between the metal particles 220 and the metal particles 220 under the effect of the vibration, kinetic energy of vibration of one portion thereof may be counteracted by mutual collision, kinetic energy of vibration of the other portion may be converted into frictional heat energy, and heat may be discharged out of the compressor 100 through the damper shell 210, thereby having a damping effect, and thus operating noise of the compressor 100 may be reduced. The shock-absorbing assembly 20 is simple in structure and convenient to operate, and can achieve a good shock-absorbing effect.
As shown in fig. 1, according to some embodiments of the present invention, the filling rate of the metal particles 220 in each shock absorbing cavity 230 is 70% to 80% of the volume of the corresponding shock absorbing cavity 230, so that a good shock absorbing effect can be achieved. It is understood that when the filling rate of the metal particles 220 in the shock absorbing chamber 230 is 70% to 80%, there is a plurality of moving spaces of the metal particles 220 in the shock absorbing chamber 230. When the compressor 100 is operated, the plurality of metal particles 220 in the damper chamber 230 may collide and rub sufficiently when vibration is transmitted to the damper assembly 20, and the collision between the metal particles 220 and the metal particles 220 consumes the greatest amount of energy, thereby greatly reducing the vibration kinetic energy of the compressor 100. It will of course be appreciated that other proportions of fill rate may be selected.
In some embodiments of the present invention, each of the metal particles 220 is formed as a sphere, so that friction between the metal particles 220 and the metal particles 220 may be increased, and a shock absorbing effect may be enhanced. It can be understood that when the metal particles 220 are spheres, rolling friction is generated between the metal particles 220 and the metal particles 220, and when the damper assembly 20 is subjected to very small vibration, the metal particles 220 and the metal particles 220 can still perform mutual friction to consume kinetic energy of vibration, so that the vibration of the compressor 100 can be offset to the greatest extent, and a better damping effect is achieved. Alternatively, the constituent material of the metal particles 220 may be stainless steel, aluminum, lead, or the like. In some embodiments of the invention, each metal particle 220 has a diameter of 0.05 to 5mm. The smaller the diameter of metal particles 220, the better shock absorbing effect of shock absorbing assembly 20.
As shown in fig. 3, according to some embodiments of the present invention, an elastic material 240 is disposed on a side wall of each damper cavity 230, which is far from the housing 10, and the disposed height of the elastic material 240 is not less than the filling height of the metal particles 220, so that a better buffering effect can be achieved, and the damping effect of the damper assembly 20 is improved. Specifically, since the elastic material member 240 is provided on the side wall of the shock absorbing chamber 230 remote from the housing 10, the elastic material member 240 has a small rigidity. When the metal particles 220 collide with the inner wall of the shock absorbing cavity 230, the elastic material member 240 may lengthen the impact time of the metal particles 220 with the inner wall, thereby playing a role of buffering, so that impact noise between the metal particles 220 and the inner wall may be reduced, and also playing a role of absorbing and isolating noise, thereby maximally reducing working noise of the compressor 100. In some embodiments of the present invention, as shown in fig. 3, the elastic material member 240 extends to the top wall of the vibration damping chamber 230, so that the impact of the metal particles 220 on the inner wall of the vibration damping chamber 230 can be buffered to the maximum extent, thereby achieving a better sealing effect.
In some embodiments of the present invention, the elastic material 240 is a rubber material, so that a better buffering effect can be achieved. It will be appreciated that rubber materials have a relatively low modulus of elasticity and therefore a relatively low stiffness. When the metal particles 220 collide with the inner wall of the shock absorbing cavity 230, the rubber material can prolong the impact time between the metal material and the inner wall, so that a good buffering effect can be achieved, and a good shock absorbing effect can be achieved. Alternatively, the rubber material member may be fixed to the inner wall of the shock absorbing chamber 230 in a vulcanization manner.
As shown in fig. 4, each shock-absorbing shell 210 includes a base 2110 and an upper cover 2120, the base 2110 defining a cavity having an open top therein, the upper cover 2120 being provided on the base 2110 to cover the cavity to define the shock-absorbing cavity 230, the base 2110 being fixed to the outer circumferential wall of the housing 10, thereby making the structure of the shock-absorbing assembly 20 simpler and more convenient to operate, according to some embodiments of the present invention. Alternatively, the damper housing 210 may be fixed to the housing 10 of the compressor 100 in a vulcanization manner. In one embodiment of the present invention, the upper cover 2120 of the shock-absorbing shell 210 may be opened with respect to the base 2110 so that a user may conveniently take and put the metal particles 220. The user can increase/decrease the metal particles 220 in the shock absorbing chamber 230 according to actual demands. The user can directly open the upper cover 2120 to insert/remove the metal particles 220 into/from the shock absorbing chamber 230.
As shown in fig. 1, according to some embodiments of the present invention, the damping members 20 are provided in plurality and symmetrically distributed with respect to the central axis of the housing 10, so that the balance of the compressor 100 can be improved and a better damping effect can be achieved. When the compressor 100 is operated, since the damper assembly 20 is symmetrical with respect to the central axis thereof, vibrations transmitted to the casing 10 in various directions can be effectively counteracted, so that the operation of the compressor 100 can be more stable and less noise can be generated.
Specifically, the housing 10 is provided at both sides of the central axis thereof with a plurality of damper assemblies 20 disposed at intervals in the up-down direction, respectively, so that noise of a plurality of frequency bands can be offset. In addition, the compressor 100 may generate vibration of various frequencies during operation, a plurality of damper assemblies 20 may be disposed in the up-down direction and the circumferential direction of the outer circumferential wall of the compressor 100 according to the frequency of the vibration, and the damper assemblies 20 of different orientations may cancel vibration of different frequencies, thereby minimizing the operation noise of the compressor 100.
An air conditioner according to an embodiment of the present invention includes the compressor 100 according to the above-described embodiment of the present invention.
According to the air conditioner of the embodiment of the present invention, by providing the above-mentioned compressor 100, the compressor 100 is provided with the damper assembly 20 on the outer circumferential wall of the housing 10 thereof, the damper assembly 20 includes the damper shell 210 and the plurality of metal particles 220, when the compressor 100 is operated, vibration generated by the compressor 100 may be transmitted to the damper assembly 20 through the housing 10, the plurality of metal particles 220 in the damper chamber 230 may continuously collide and rub between the metal particles 220 and the inner wall of the damper chamber 230 and between the metal particles 220 and the metal particles 220 under the effect of the vibration, kinetic energy of vibration of one portion thereof may be counteracted by mutual collision, kinetic energy of vibration of the other portion may be converted into frictional thermal energy, and the heat may be discharged out of the compressor 100 through the damper shell 210, thereby having a damping effect, and thus the operation noise of the compressor 100 may be reduced. The shock-absorbing assembly 20 is simple in structure and convenient to operate, and can achieve a good shock-absorbing effect.
A compressor 100 according to an embodiment of the present invention, which can be used in an air conditioner, is described in detail below with reference to fig. 1 to 4. It is to be understood that the following description is exemplary only and is not intended to limit the invention in any way.
As shown in fig. 1 to 4, the compressor 100 includes a casing 10 and a plurality of damper assemblies 20, wherein the casing 10 is provided with an exhaust port, the damper assemblies 20 are symmetrically distributed with respect to a central axis of the casing 10, and the damper assemblies 20 are disposed at intervals in an up-down direction on both sides of the central axis of the casing 10. As shown in fig. 4, shock absorbing assembly 20 includes a shock absorbing shell 210 and a plurality of metal particles 220, shock absorbing shell 210 including a base 2110 and an upper cover 2120, base 2110 defining a shock absorbing cavity 230 therein having an open top, and a plurality of metal particles 220 disposed within shock absorbing cavity 230. Wherein the upper cover 2120 can be opened and closed with respect to the base 2110, and the elastic material member 240 is provided on all inner circumferential walls of the shock absorbing chamber 230.
Specifically, when the compressor 100 is operated, the compressor 100 generates vibration, the vibration is transmitted to the damper assembly 20 through the housing 10, the plurality of metal particles 220 in the damper chamber 230 move in the damper chamber 230 under the vibration, and collision and friction can be continuously performed between the metal particles 220 and the inner wall of the damper chamber 230 and between the metal particles 220 and the metal particles 220. When the metal particles 220 collide with the inner wall of the damper housing 210, the metal particles 220 first contact with the elastic material member 240 on the inner wall of the damper housing 210, and the elastic material member 240 has a small rigidity, so that the collision time of the metal particles 220 with the inner wall of the damper housing 210 can be prolonged, and a buffering effect can be achieved.
When the compressor 100 is operated, the plurality of damper assemblies 20 on the outer circumferential wall of the casing 10 are simultaneously operated, kinetic energy of vibration of one part of the compressor 100 is counteracted by collision among the mutual metal particles 220, kinetic energy of vibration of the other part is converted into frictional heat energy, and the heat is discharged out of the compressor 100 through the damper shell 210, so that a damping effect can be achieved, and working noise of the compressor 100 can be effectively reduced.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A compressor, comprising:
the shell is provided with an exhaust port;
at least one shock absorption assembly, each shock absorption assembly comprises a shock absorption shell and metal particles, the shock absorption shell is arranged on the peripheral wall of the shell, at least one shock absorption cavity is arranged in the shock absorption shell, at least the lower space of each shock absorption cavity is filled with a plurality of metal particles, and when the compressor vibrates, the metal particles generate irregular motion to absorb kinetic energy generated by the vibration of the compressor;
and the side wall of each shock absorption cavity, which is far away from the shell, is provided with an elastic material piece, and the setting height of the elastic material piece is not less than the filling height of the metal particles.
2. The compressor of claim 1, wherein the filling rate of the metal particles in each of the damper chambers is 70% to 80% of the volume of the corresponding damper chamber.
3. The compressor of claim 1, wherein each of the metal particles is formed as a sphere.
4. A compressor according to claim 3, wherein each of the metal particles has a diameter of 0.05 to 5mm.
5. The compressor of claim 1, wherein the resilient material member extends onto a top wall of the damper chamber.
6. The compressor of claim 1, wherein the resilient material member is a rubber material member.
7. The compressor of claim 1, wherein each of the shock-absorbing shells includes a base defining an open-top cavity therein, and an upper cover provided on the base to cover the cavity to define the shock-absorbing cavity, the base being fixed to an outer peripheral wall of the shell.
8. The compressor of any one of claims 1-7, wherein the shock absorbing assembly is a plurality and symmetrically distributed about a central axis of the housing.
9. The compressor of claim 8, wherein a plurality of damper assemblies are provided at both sides of a central axis of the housing at intervals in a vertical direction, respectively.
10. An air conditioner comprising a compressor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736148.5A CN107477708B (en) | 2017-08-24 | 2017-08-24 | Compressor and air conditioner with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736148.5A CN107477708B (en) | 2017-08-24 | 2017-08-24 | Compressor and air conditioner with same |
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| Publication Number | Publication Date |
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| CN107477708A CN107477708A (en) | 2017-12-15 |
| CN107477708B true CN107477708B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710736148.5A Active CN107477708B (en) | 2017-08-24 | 2017-08-24 | Compressor and air conditioner with same |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007003067A (en) * | 2005-06-22 | 2007-01-11 | Matsushita Electric Ind Co Ltd | Refrigerator |
| CN103603439A (en) * | 2013-11-22 | 2014-02-26 | 同济大学 | Novel impact damper |
| CN104437811A (en) * | 2014-12-02 | 2015-03-25 | 西安建筑科技大学 | Vibration damper of large vertical mill body |
| CN106368930A (en) * | 2016-10-31 | 2017-02-01 | 美的集团股份有限公司 | Compressor, air conditioner outdoor unit and air conditioner |
| CN207146685U (en) * | 2017-08-24 | 2018-03-27 | 广东美的制冷设备有限公司 | Compressor and there is its air conditioner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500404A (en) * | 2014-12-16 | 2015-04-08 | 广东美芝制冷设备有限公司 | Compressor |
| CN106368931B (en) * | 2016-10-31 | 2019-05-28 | 美的集团股份有限公司 | Compressor, air-conditioner outdoor unit and air conditioner |
-
2017
- 2017-08-24 CN CN201710736148.5A patent/CN107477708B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007003067A (en) * | 2005-06-22 | 2007-01-11 | Matsushita Electric Ind Co Ltd | Refrigerator |
| CN103603439A (en) * | 2013-11-22 | 2014-02-26 | 同济大学 | Novel impact damper |
| CN104437811A (en) * | 2014-12-02 | 2015-03-25 | 西安建筑科技大学 | Vibration damper of large vertical mill body |
| CN106368930A (en) * | 2016-10-31 | 2017-02-01 | 美的集团股份有限公司 | Compressor, air conditioner outdoor unit and air conditioner |
| CN207146685U (en) * | 2017-08-24 | 2018-03-27 | 广东美的制冷设备有限公司 | Compressor and there is its air conditioner |
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|---|---|
| CN107477708A (en) | 2017-12-15 |
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