CN108626098A - Muffler and compressor - Google Patents
Muffler and compressor Download PDFInfo
- Publication number
- CN108626098A CN108626098A CN201810689592.0A CN201810689592A CN108626098A CN 108626098 A CN108626098 A CN 108626098A CN 201810689592 A CN201810689592 A CN 201810689592A CN 108626098 A CN108626098 A CN 108626098A
- Authority
- CN
- China
- Prior art keywords
- shell
- muffler
- oil retaining
- outage
- plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0083—Pulsation and noise damping means using blow off silencers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses a kind of muffler and compressors, the muffler includes the shell (1) with air inlet (11) and exhaust outlet (12), it is provided with oil retaining part part (2) in the shell (1), the fluid that gas in the shell (1) contains can be attached to oil retaining part part (2) in gas flow and can flow to the bottom of the shell (1) from oil retaining part part, shell (1) bottom is provided with outage (13), muffler further includes blocking up (3) for blocking the plug of the outage (13).Muffler and compressor provided by the invention, can effectively reduce the oil content in the exhaust of compressor, promote the performance of compressor, and solving the problems, such as the oil content in compressed gas in the prior art greatly causes fluid to accumulate influence heat transfer effect in refrigeration systems.
Description
Technical field
The present invention relates to Compressor Technology fields, more particularly to a kind of muffler and compressor.
Background technology
Lubricating oil can be discharged into the gas of compressor existing compressor in use, and make compressor discharge
Oil-containing fluid in gas, and oil content conference causes lubricating oil to accumulate in refrigeration system especially heat exchanger in the exhaust of compressor
In, influencing heat transfer effect causes refrigeration performance to be deteriorated, so the oil content reduced as possible in compressor gas has become now
Compressor manufacturer and user's issues that need special attention.
But needing to ensure that the amount of each component sufficient lubrication lubricating oil is irreducible, only by change portion
Part fit dimension cannot meet market needs to reduce the effect for the amount that lubricating oil is discharged into gas, it is therefore desirable to gas
Fluid in body is detached.
Invention content
The purpose of the invention is to overcome the big influence refrigeration system of oil content in the exhaust of compressor in the prior art to change
The problem of thermal effect.
To achieve the goals above, one aspect of the present invention provides a kind of muffler, and the muffler includes tool
There is the shell of air inlet and exhaust outlet, oil retaining part part is provided in the shell, the fluid that the gas in the shell contains exists
With can be attached to the oil retaining part part in gas flow and the bottom of the shell can be flow to from the oil retaining part part,
The housing bottom is provided with outage, and the muffler further includes stifled for blocking the plug of the outage.
Preferably, the air inlet and the exhaust outlet are located at the both sides of the oil retaining part part, the oil retaining part part
The space of side forms the admission space with the air inlet, and the space of the other side forms the exhaust sky with the exhaust outlet
Between, the admission space and the exhaust space are interconnected.
Preferably, the air inlet and the exhaust outlet are arranged on the roof of the shell, and the oil retaining part part is in institute
It states and is extended downwardly from the roof of the shell between air inlet and the exhaust outlet, and the bottom end of the oil retaining part part and the shell
There is gap between body.
Preferably, the oil retaining part part extends to the side wall of the other side from the side side wall of the shell in transverse direction.
Preferably, the oil retaining part part is the v-shaped structure being made of the first plate body and the second plate body, the v-shaped structure
One end with upper opening is fixed on the roof of the shell, the space on the outside of first plate body of the v-shaped structure
The admission space is formed, the space in the outside of second plate body of the v-shaped structure forms the exhaust space.
Preferably, the plug is stifled is set as that when the internal pressure of the shell is less than predetermined value the oil extraction can be opened
Hole, and close the outage when the internal pressure of the shell is greater than or equal to the predetermined value.
Preferably, the muffler further includes the spring with the stifled connection of the plug, and the spring is set as described
The internal pressure of shell can be acted on the plug by elastic force and be blocked up so that described fill in described in stifled open when being less than the predetermined value
Outage.
Preferably, the muffler further includes the latch plate being located in the shell, and the spring connects for one end
In the latch plate, the other end is connected to the stifled helical spring of the plug.
Preferably, one end of the latch plate is connected to the oil retaining part part, and the other end is connected to the side wall of the shell,
And the latch plate is provided towards the side of the outage and connects the spring, away from the side of the outage towards institute
State air inlet.
Preferably, described fill in is blocked up as pyramidal structure, the taper for the pyramidal structure cooperation that the outage is and the plug is stifled
Hole.
According to another aspect of the present invention, a kind of compressor is also provided, the compressor be provided with first exhaust pipeline with
And muffler as described above, the connection of first exhaust pipeline, the row described in the air inlet of the muffler
The exhaust outlet of gas muffler is connected with second exhaust pipeline.
Muffler provided by the invention is when in applied to compressor, in the exhaust that can effectively reduce compressor
Oil content promotes the performance of compressor, and the oil content solved in compressed gas in the prior art causes greatly fluid to accumulate in refrigeration
The problem of heat transfer effect is influenced in system.
Description of the drawings
Fig. 1 is the structural schematic diagram according to muffler in an embodiment of the invention；
Fig. 2 is the stifled structural schematic diagram of plug；
Fig. 3 is the connection diagram that muffler provided by the invention is applied in the exhaust pipe of compressor.
Reference sign
100- mufflers；1- shells；11- air inlets；12- exhaust outlets；13- outages；2- oil retaining part parts；21-
One plate body；The second plate bodys of 22-；3- plugs are stifled；4- springs；5- latch plates；6- first exhaust pipelines；7- second exhaust pipelines；8- high
Ballasting lid.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can
To be combined with each other.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instructions such as " thickness ", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", " axial direction ", " radial direction ", " circumferential direction "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.In addition, " inside and outside " refers to the inside and outside of the profile relative to each component itself.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.
The present invention provides a kind of muffler, muffler 100 as shown in Figure 1 comprising has air inlet 11
With the shell 1 of exhaust outlet 12, oil retaining part part 2 is provided in the shell 1, the fluid that the gas in shell 1 contains is with gas
It can be attached to the oil retaining part part 2 in flow process and the bottom of the shell 1, institute can be flow to from the oil retaining part part 2
It states 1 bottom of shell and is provided with outage 13, the muffler further includes for blocking the plug of the outage 13 stifled 3.
Muffler 100 provided by the invention can be used in the discharge duct of compressor, be particularly suitable for piston type
Compressor.In use, the muffler 100 is connected between two sections of discharge ducts of compressor, i.e. one section of discharge duct
Be connected to the air inlet 11 of the muffler 100, another section is connected to exhaust outlet 12, the exhaust of compressor from discharge duct simultaneously
When being discharged by muffler 100, not only gas noise can be eliminated by muffler 100, but also gas can be detached
The fluid carried in body.Therefore, muffler 100, Ke Yiyou provided by the invention is set in the discharge duct of compressor
Effect reduces the oil content in the exhaust of compressor, promotes the performance of compressor, solves the oil-containing in compressed gas in the prior art
The problem of amount causes greatly fluid to accumulate influence heat transfer effect in refrigeration systems.
Preferably, the plug stifled 3 is set as that when the internal pressure of the shell 1 is less than predetermined value the row can be opened
Oilhole 13, and close the outage 13 when the internal pressure of the shell 1 is greater than or equal to the predetermined value.
In compressor vehicle operation process, the pressure in the shell 1 of muffler is larger, i.e., pressure is greater than or equal to
When preset value, plug stifled 3 compresses the outage 13 of 1 bottom of shell under the action of inside and outside differential pressure, ensures that the muffler 100 is made
For the leakproofness of the exhaust passage of compressed gas, in the course of work, the lubricating oil carried in compressed gas is attached to oil retaining part
On part 2, and accumulation to it is a certain amount of when flow to from oil retaining part part 21 bottom of shell of muffler 100.Due to air-conditioning or
The compressor of refrigerator etc. can be shut down after running one end time, this when muffler 100 inside and outside differential pressure become smaller, i.e., it is internal
When pressure is less than preset value, plug stifled 3 can open outage 13, can be discharged to the lubricating oil of 1 bottom collection of shell.
Of course, it should be appreciated that being not limited to open and close outage by pressure to control plug stifled 3
13, plug stifled 3 or opening by manual control plug stifled 3 can also be controlled by control device after compressor is out of service
It closes.
In a preferred embodiment of the invention, as shown in Figure 1, air inlet 11 and exhaust outlet 12 on shell 1 distinguish position
In the both sides of oil retaining part part 2, the space of 2 side of oil retaining part part forms the admission space with the air inlet 11, the other side
Space forms the exhaust space with the exhaust outlet 12, and the admission space and the exhaust space are interconnected, thus from
The gas that air inlet 11 enters can flow through oil retaining part part 2 so that fluid is attached to oil retaining part part 2, empty then into exhaust
Between from exhaust outlet 12 be discharged.
Specifically, the air inlet 11 and exhaust outlet 12 on shell 1 are separately positioned on the roof of shell 1, oil retaining part part 2 exists
It is extended downwardly from the roof of the shell 1 between the air inlet 11 and the exhaust outlet 12, and the bottom end of the oil retaining part part 2
There is gap between the shell 1 so that admission space is connected to exhaust space in lower section.
Of course, it should be appreciated that air inlet 11 and exhaust outlet 12 may also be arranged on other positions of shell 1, only
The gas to enter from air inlet 11 can flow on oil retaining part part 2, and can change air-flow under the action of oil retaining part part 2
Direction, can not only noise reduction and also make gas in fluid by oil retaining part part 2 when be attached on oil retaining part part 2, finally
It is flowed out from exhaust outlet 12.
Preferably, oil retaining part part 2 extends to the side wall of the other side from the side side wall of shell 1 in transverse direction so that from
The gas that air inlet 11 enters enters exhaust space under the action of oil retaining part part 2 from the lower section of oil retaining part part 2, conducive to carrying
High gear oil component 2 collects the effect of fluid.
Further, the oil retaining part part 2 is the v-shaped structure being made of the first plate body 21 and the second plate body 22, the V-arrangement
One end with upper opening of structure is fixed on the roof of the shell 1, and first plate body 21 of the v-shaped structure
The space in outside forms the admission space, and the space in second plate body, 22 outside of the v-shaped structure forms the exhaust
Space.The oil retaining part part 2 of the v-shaped structure can play gas good guide functions, the gas energy entered from air inlet 11
It is enough to flow to lower section along the first plate body 21, then exhaust outlet 21 is successfully flowed to along the second plate body 22.
Preferably, the bottom end of the v-shaped structure forms circular shape, and gas can be with when below the first plate body 21 flow direction
The exhaust space that 22 outside of the second plate body is flowed to along circular shape, more conducively carries out water conservancy diversion to gas.In the v-shaped structure
One plate body 21 and the second plate body 22 can be formed as one, that is, be bent to form v-shaped structure using integrally formed plate body.
In present embodiment, to enable plug stifled 3 to open oil extraction when muffler internal pressure is less than preset value
Hole 13, it is preferable that the muffler further includes blocking up 3 springs 4 connecting with the plug, and the spring 4 is set as described
The internal pressure of shell 1 can act on the plug stifled 3 when being less than predetermined value by elastic force so that the plug stifled 3 opens the row
Oilhole 13.
Specifically, as shown in Figure 1, the muffler further include be located at the shell 1 in latch plate 5, the bullet
Spring 4 is that one end is connected to the latch plate 5, and the other end is connected to the helical spring of the plug stifled 3.The helical spring is to filling in stifled 3
It keeps applying pulling force, during the operation of the compressor, the pressure inside muffler overcomes the pulling force of spring 4, by plug stifled 3
It is pressed in outage 13, and when internal pressure is less than preset value, the elastic force of spring 4 can pull plug stifled 3 and open oil extraction
Hole 13.
Preferably, the latch plate 5 is located in the admission space of 2 side of oil retaining part part, and one end of latch plate 5 connects
It is connected to the oil retaining part part 2, the other end is connected to the side wall of the shell 1.It can be arranged in the other opposite both sides of latch plate 5
With the gap between shell 1 so that gas can flow downward, the latch plate 5 be set as side towards the outage 13 with
Facilitate connecting spring 4, towards air inlet 11, the setting of the latch plate 5 is conducive to the stream of the gas entered to air inlet 11 for the other side
It is dynamic to be stopped, to be conducive to noise reduction.
It should be noted that, plug stifled 3 is enable to open the mode of outage 13 when internal pressure is less than preset value herein
It is not limited in present embodiment in such a way that spring 4 pulls, for example, spring can be arranged in the stifled lower section of plug, with to plug
Stifled 3 apply the mode of upward thrusts to open outage 13 by thrust when internal pressure is less than preset value, can be with
Setting plug stifled 3 is elastomer, and plug stifled 3 is pressed in outage 13 by pressure when internal pressure is larger, and is pressed in inside
When power is smaller, plug stifled 3 is relaxed, to which fluid can be discharged from the stifled gap between 3 and outage 13 of plug.
In the present embodiment, it is preferable that the plug stifled 3 is pyramidal structure, such as depicted in figs. 1 and 2, the outage
13 bellmouth to coordinate with the pyramidal structure of the plug stifled 3.By plug stifled 3 and the 13 mutually matched conical surface of outage, plug stifled 3
When being moved relative to outage 13, plug is stifled without leaving outage 13, you can has gap between outage 13, and passes through taper
Face plug stifled 3, which can be easily moved, to be pressed in outage 13.
According to another aspect of the present invention, a kind of compressor is also provided, the compressor be provided with first exhaust pipeline 6 and
Muffler 100 as described above, as shown in figure 3, the air inlet 11 of the muffler 100 and the first row
Feed channel 6 connects, and the exhaust outlet 12 of the muffler 100 is connected with second exhaust pipeline 7.To the row of compressor
Gas can pass through the muffler 100, reduce noise, and oil and water separation, the muffler by the muffler 100
The fluid of 100 separation is from the lubricating oil bath in the shell that may return to compressor after the discharge of outage 13.
In a specific embodiment, the high pressure being connected to the exhaust outlet of compression cylinder is provided in piston compressor
Cabin, first exhaust pipeline 6 can pass through inside 8 communicating pipe to hyperbaric chamber of high pressure hatchcover of hyperbaric chamber so that inside hyperbaric chamber
Compressed gas is discharged from first exhaust pipeline 6 by muffler 100 and from second exhaust pipeline 7.Wherein, the hyperbaric chamber and
Muffler 100 is respectively positioned on the enclosure interior of compressor, to which discharge fluid in 100 outage 13 of muffler can be straight
Connect the lubricating oil bath for entering compressor housing bottom.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited thereto.At this
In the range of the technology design of invention, a variety of simple variants, including each particular technique can be carried out to technical scheme of the present invention
Feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various combinations of possible ways
No longer separately illustrate.But it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to the present invention
Protection domain.
Claims (11)
1. a kind of muffler, which is characterized in that the muffler includes having air inlet (11) and exhaust outlet (12)
Shell (1), is provided with oil retaining part part (2) in the shell (1), the fluid that the gas in the shell (1) contains is with gas
It can be attached to the oil retaining part part (2) in body flow process and the shell (1) can be flow to from the oil retaining part part (2)
Bottom, shell (1) bottom are provided with outage (13), and the muffler further includes for blocking the outage
(13) plug blocks up (3).
2. muffler according to claim 1, which is characterized in that the air inlet (11) and the exhaust outlet (12)
The both sides of the oil retaining part part (2) are located at, the space of oil retaining part part (2) side, which is formed, has the air inlet (11)
Admission space, the space of the other side forms the exhaust space with the exhaust outlet (12), the admission space and the row
Headroom is interconnected.
3. muffler according to claim 2, which is characterized in that the air inlet (11) and the exhaust outlet (12)
It is arranged on the roof of the shell (1), the oil retaining part part (2) is between the air inlet (11) and the exhaust outlet (12)
It is extended downwardly from the roof of the shell (1), and there is gap between the bottom end of the oil retaining part part (2) and the shell (1).
4. muffler according to claim 3, which is characterized in that the oil retaining part part (2) is from the shell (1)
Side side wall extends to the side wall of the other side in transverse direction.
5. muffler according to claim 2, which is characterized in that the oil retaining part part (2) is by the first plate body
(21) and the second plate body (22) constitute v-shaped structure, one end with upper opening of the v-shaped structure is fixed on the shell
(1) on roof, the space on the outside of first plate body (21) of the v-shaped structure forms the admission space, the V-arrangement knot
The space in the outside of second plate body (22) of structure forms the exhaust space.
6. according to the muffler described in any one of claim 1-5, which is characterized in that the plug blocks up (3) and is set as
The outage (13) can be opened when the internal pressure of the shell (1) is less than predetermined value, and in the interior of the shell (1)
Portion's pressure closes the outage (13) when being greater than or equal to the predetermined value.
7. muffler according to claim 6, which is characterized in that the muffler further includes stifled with the plug
(3) spring (4) connected, the spring (4) is set as can when the internal pressure of the shell (1) is less than the predetermined value
The plug, which is acted on, by elastic force blocks up (3) so that the plug, which blocks up (3), opens the outage (13).
8. muffler according to claim 7, which is characterized in that the muffler further includes being located at the shell
Latch plate (5) in body (1), the spring (4) are that one end is connected to the latch plate (5), and it is stifled that the other end is connected to the plug
(3) helical spring.
9. muffler according to claim 8, which is characterized in that one end of the latch plate (5) is connected to described
Oil retaining part part (2), the other end is connected to the side wall of the shell (1), and the latch plate (5) is provided towards the outage
(13) side connects the spring (4), away from the side of the outage (13) towards the air inlet (11).
10. muffler according to claim 6, which is characterized in that it is pyramidal structure, the row that the plug, which blocks up (3),
Oilhole (13) is the bellmouth for the pyramidal structure cooperation that (3) are blocked up with the plug.
11. a kind of compressor, which is characterized in that the compressor is provided with first exhaust pipeline (6) and according to claim
Muffler (100) described in any one of 1-10, the air inlet (11) and described first of the muffler
Discharge duct (6) connects, and the exhaust outlet (12) of the muffler is connected with second exhaust pipeline (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810689592.0A CN108626098A (en) | 2018-06-28 | 2018-06-28 | Muffler and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810689592.0A CN108626098A (en) | 2018-06-28 | 2018-06-28 | Muffler and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108626098A true CN108626098A (en) | 2018-10-09 |
Family
ID=63688526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810689592.0A Pending CN108626098A (en) | 2018-06-28 | 2018-06-28 | Muffler and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108626098A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472958A (en) * | 2020-03-16 | 2020-07-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer structure, compressor and refrigerator with same |
| CN113357153A (en) * | 2021-07-23 | 2021-09-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil blocking structure, compressor and refrigeration equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0768465A1 (en) * | 1995-10-09 | 1997-04-16 | Seiko Seiki Kabushiki Kaisha | Gas compressor |
| CN1878959A (en) * | 2004-12-06 | 2006-12-13 | 松下电器产业株式会社 | Hermetic compressor |
| CN203189231U (en) * | 2013-04-28 | 2013-09-11 | 苏州盟通利机电设备有限公司 | Vacuum pump air extracting device |
| CN107956699A (en) * | 2017-12-20 | 2018-04-24 | 珠海格力电器股份有限公司 | Compressor exhaust structure and compressor |
-
2018
- 2018-06-28 CN CN201810689592.0A patent/CN108626098A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0768465A1 (en) * | 1995-10-09 | 1997-04-16 | Seiko Seiki Kabushiki Kaisha | Gas compressor |
| CN1878959A (en) * | 2004-12-06 | 2006-12-13 | 松下电器产业株式会社 | Hermetic compressor |
| CN203189231U (en) * | 2013-04-28 | 2013-09-11 | 苏州盟通利机电设备有限公司 | Vacuum pump air extracting device |
| CN107956699A (en) * | 2017-12-20 | 2018-04-24 | 珠海格力电器股份有限公司 | Compressor exhaust structure and compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472958A (en) * | 2020-03-16 | 2020-07-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer structure, compressor and refrigerator with same |
| CN111472958B (en) * | 2020-03-16 | 2021-09-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer structure, compressor and refrigerator with same |
| CN113357153A (en) * | 2021-07-23 | 2021-09-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil blocking structure, compressor and refrigeration equipment |
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