CN209510574U - Suction line and compressor - Google Patents
Suction line and compressor Download PDFInfo
- Publication number
- CN209510574U CN209510574U CN201822164396.XU CN201822164396U CN209510574U CN 209510574 U CN209510574 U CN 209510574U CN 201822164396 U CN201822164396 U CN 201822164396U CN 209510574 U CN209510574 U CN 209510574U
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- shell portion
- air inlet
- suction
- chamber
- recessed shell
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- 239000012530 fluid Substances 0.000 claims abstract description 33
- 230000030279 gene silencing Effects 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims description 29
- 230000003434 inspiratory effect Effects 0.000 abstract description 7
- 238000005247 gettering Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model provides a kind of suction line and compressor, it is related to technical field of refrigerating devices, suction line provided by the utility model includes: muffler and exhaust pipe, muffler includes: main casing portion and recessed shell portion, main casing portion and recessed shell portion, which enclose, to be set to form silencing cavity, the side wall in recessed shell portion is towards silencing cavity inner recess, and recessing groove is formed on the outside of recessed shell portion, recessed shell portion is equipped with air inlet, air inlet and exhaust pipe are in fluid communication with silencing cavity, suction line provided by the utility model alleviates the technical problem that air inlet pipeline inspiratory resistance is big in the prior art, increase the inner space of silencing cavity, convenient for the arrangement in silencing cavity interior air-flow channel, advantageously reduce air suction and noise；The space utilization rate of suction line not only can be improved, but also advantageously reduce inspiratory resistance, improve gettering efficiency.
Description
Technical field
The utility model relates to technical field of refrigerating devices, more particularly, to a kind of suction line and compressor.
Background technique
The suction line of compressor includes: muffler, air inlet pipe and exhaust pipe in the prior art, and air inlet pipe and exhaust pipe are equal
It is in fluid communication with muffler, is connected with horn interface away from one end of muffler in air inlet pipe；Wherein, the radial ruler of horn interface
It is very little to be greater than air inlet pipe, for increasing air inlet section area；For the ease of the arrangement of air inlet pipe and exhaust pipe, usually by exhaust pipe
It extends near air inlet pipe, and is connected to exhaust pipe with externally connected exhaust pipe, air inlet pipe is connected to external air inlet pipe, consequently facilitating pressure
The external air inlet pipe of contracting machine and the arrangement of externally connected exhaust pipe.In order to avoid air inlet pipe and exhaust pipe are interfered or are collided, usual way
It is to reduce the radial dimension of air inlet pipe, and extend air inlet pipe, thus causes gas inlet resistance to increase, reduce gettering efficiency.
Utility model content
The purpose of this utility model is to provide a kind of suction line and compressors, to alleviate air inlet pipeline in the prior art
The big technical problem of inspiratory resistance.
In a first aspect, suction line provided by the utility model, comprising: muffler and exhaust pipe, the muffler include:
Main casing portion and recessed shell portion, the main casing portion and the recessed shell portion, which enclose, to be set to form silencing cavity, and the side wall in the recessed shell portion disappears towards described
Sound chamber inner recess, and recessing groove is formed on the outside of the recessed shell portion, the recessed shell portion are equipped with air inlet, the air inlet and
The exhaust pipe is in fluid communication with the silencing cavity.
With reference to first aspect, the utility model provides the first possible embodiment of first aspect, wherein described
The side that the recessed shell portion deviates from the main casing portion is arranged in air inlet, from one end away from the main casing portion to close to the master
The intracavity section area of the one end in shell portion, the recessed shell portion is incremented by.
With reference to first aspect, the utility model provides second of possible embodiment of first aspect, wherein described
Recessed shell portion connects gas-collecting sleeve, and the gas-collecting sleeve and the air inlet are in fluid communication, and the gas-collecting sleeve connects the recessed shell portion certainly
One end to away from the recessed shell portion direction extend, and radial dimension be incremented by；
The gas-collecting sleeve is equipped with beveled end surface, the beveled end surface and the gas-collecting sleeve away from the side in the recessed shell portion
Extending direction angle is greater than 0 degree and less than 90 degree.
With reference to first aspect, the utility model provides the third possible embodiment of first aspect, wherein described
Connect first partition between main casing portion and the recessed shell portion, the first partition by the silencing cavity be separated into the first suction chamber and
Second suction chamber, first suction chamber and second suction chamber are in fluid communication, first suction chamber and the air inlet
It is in fluid communication, second suction chamber is connected to the exhaust pipe in fluid.
The third possible embodiment with reference to first aspect, the utility model provide first aspect the 4th kind can
Can embodiment, wherein be connected with second partition in second suction chamber, the second partition is by second suction chamber
It is separated into the first anechoic chamber and the second anechoic chamber, first anechoic chamber is located at first suction chamber and second anechoic chamber
Between, first suction chamber and second anechoic chamber are in fluid communication, and first anechoic chamber and second anechoic chamber are flowed
Body connection, first anechoic chamber is connected to the exhaust pipe in fluid.
The 4th kind of possible embodiment with reference to first aspect, the utility model provide first aspect the 5th kind can
The embodiment of energy, wherein the first partition and the second partition are all connected with the first appendix, first appendix
One end is connected to first suction chamber, and the other end of first appendix is connected to second anechoic chamber.
The 5th kind of possible embodiment with reference to first aspect, the utility model provide first aspect the 6th kind can
The embodiment of energy, wherein one end that first appendix is connected to first suction chamber is connected with filter screen.
The 5th kind of possible embodiment with reference to first aspect, the utility model provide first aspect the 7th kind can
The embodiment of energy, wherein the second partition connects the second appendix, and one end of second appendix disappears with described first
Tone chamber's connection, the other end of second appendix are connected to second anechoic chamber.
Second aspect, compressor provided by the utility model, comprising: casing, externally connected exhaust pipe, external air inlet pipe and first
The suction line that aspect provides, the externally connected exhaust pipe and the external air inlet pipe are connect with the casing, described to run in outside
Tracheae is connected to the exhaust pipe in fluid, and the external air inlet pipe has the air inlet of the suction line to be in fluid communication.
In conjunction with second aspect, the utility model provides the first possible embodiment of second aspect, wherein described
Suction line is connected in the casing, and the externally connected exhaust pipe in the casing is plugged in the institute of the suction line
Recessing groove is stated, and is extended along the recessing groove.
The utility model embodiment brings following the utility model has the advantages that including main casing portion and recessed shell portion, main casing using muffler
Portion and recessed shell portion, which enclose, to be set to form silencing cavity, and the side wall in recessed shell portion is formed on the outside of recessed shell portion and stepped down towards silencing cavity inner recess
Slot, recessed shell portion are equipped with air inlet, the mode that air inlet and exhaust pipe are in fluid communication with silencing cavity, by default air inlet pipe,
And recessed shell portion is added, to increase the inner space of silencing cavity, convenient for the arrangement in silencing cavity interior air-flow channel, advantageously reduce suction
Gas noise；The side wall in recessed shell portion forms recessing groove towards silencing cavity inner recess, and on the outside of recessed shell portion, thus formed level off to it is flat
Flat recessed shell portion, not only can be improved the space utilization rate of suction line, but also advantageously reduce inspiratory resistance, improve air-breathing effect
Rate.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in order to illustrate more clearly of specific embodiment of the present invention or in the related technology, below will be right
Attached drawing needed in specific embodiment or description of Related Art is briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of suction line in the prior art；
Fig. 2 is the cross-sectional view of suction line in the prior art；
Fig. 3 is the cross-sectional view one for the suction line that the utility model embodiment one provides；
Fig. 4 is the schematic diagram for the suction line that the utility model embodiment one provides；
Fig. 5 is the cross-sectional view two for the suction line that the utility model embodiment one provides；
Fig. 6 is the cross-sectional view for the compressor that the utility model embodiment two provides.
Icon: 1- muffler；11- main casing portion；The recessed shell portion 12-；13- silencing cavity；The first suction chamber of 131-；132- second inhales
Air cavity；The first anechoic chamber 1321-；The second anechoic chamber 1322-；14- gas-collecting sleeve；15- first partition；16- second partition；17-
One appendix；The second appendix of 18-；2- air inlet pipe；3- exhaust pipe；4- casing；5- externally connected exhaust pipe；The external air inlet pipe of 6-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As depicted in figs. 1 and 2, suction line in the prior art includes: muffler 1, air inlet pipe 2 and exhaust pipe 3, air inlet
Pipe 2 and exhaust pipe 3 are in fluid communication with muffler 1；For convenient for suction line assembly and pipe-line layout, usually by exhaust pipe 3
Extend near air inlet pipe 2, therefore mostly use the radial dimension for reducing air inlet pipe 2 greatly and extend the mode of air inlet pipe 2, avoid into
The extension of tracheae 2 and exhaust pipe 3 generates Assembly Interference or collision.But the internal diameter of air inlet pipe 2 is thus caused to reduce, into
The length of tracheae 2 increases, and causes inspiratory resistance to increase, reduces gettering efficiency.
Embodiment one
As shown in Figure 3 and Figure 4, suction line provided by the embodiment of the utility model, comprising: muffler 1 and exhaust pipe 3,
Muffler 1 includes: main casing portion 11 and recessed shell portion 12, and main casing portion 11 and recessed shell portion 12, which enclose, to be set to form silencing cavity 13, recessed shell portion 12
Side wall forms recessing groove towards 13 inner recess of silencing cavity on the outside of recessed shell portion 12, and recessed shell portion 12 is equipped with air inlet, air inlet
It is in fluid communication with silencing cavity 13 with exhaust pipe 3.
Specifically, the side wall in recessed shell portion 12 is towards 13 inner recess of silencing cavity, so that recessed shell portion 12 is made to level off to flattening, it is recessed
Recessing groove is formed on the outside of shell portion 12, so that the extension of air inlet pipe 2 and exhaust pipe 3 be avoided to generate Assembly Interference or collision.It is main
Silencing cavity 13 is collectively formed in the inside in shell portion 11 and recessed shell portion 12, to increase the space of silencing cavity 13, is convenient for silencing cavity 13
The arrangement of interior gas passage is conducive to improve anti-acoustic capability.Air inlet pipe that no setting is required 2, solve reduce air inlet pipe 2 diameter and
Extend the technical issues of inspiratory resistance caused by air inlet pipe 2 increases, is conducive to improve gettering efficiency.
In the utility model embodiment, the side that recessed shell portion 12 deviates from main casing portion 11 is arranged in air inlet, from away from master
The one end in shell portion 11 is incremented by one end close to main casing portion 11, the intracavity section area in recessed shell portion 12.
Specifically, air inlet setting is limited in recessed shell portion 12, and then not by the diameter of air inlet pipe 2, therefore inspiratory resistance
It is smaller.Enter the gas inside silencing cavity 13 from air inlet, is flowed along recessed shell portion 12 towards the direction close to main casing portion 11；From air inlet
The intracavity section area in hole to main casing portion 11, recessed shell portion 12 is gradually increased, so as to make gas is smooth to enter in silencing cavity 13
Portion, gas resistance in this flow process is smaller, and gettering efficiency is higher.
Further, the side wall in recessed shell portion 12 forms arc cavity wall towards 13 inner recess of silencing cavity inside recessed shell portion 12,
Thus make the inner sidewall in recessed shell portion 12 smooth, to reduce the frictional resistance between gas and recessed 12 inner sidewall of shell portion.
As shown in figure 3, recessed shell portion 12 connects gas-collecting sleeve 14, and gas-collecting sleeve 14 and air inlet are in fluid communication, and gas-collecting sleeve 14 is certainly
The one end for connecting recessed shell portion 12 extends to the direction away from recessed shell portion 12, and radial dimension is incremented by；Gas-collecting sleeve 14 deviates from recessed shell portion
12 side is equipped with beveled end surface, and the extending direction angle of beveled end surface and gas-collecting sleeve 14 is greater than 0 degree and less than 90 degree.Specifically
Ground, one end radial dimension of the gas-collecting sleeve 14 away from recessed shell portion 12 is larger, to increase the area of section of air inlet；From away from recessed shell
The one end in portion 12 is successively decreased to the one end for connecting recessed shell portion 12, the radial dimension of gas-collecting sleeve 14, flows into the gas flow rate of gas-collecting sleeve 14
Reduce with the opening area of gas-collecting sleeve 14 and increase, the gas that flow velocity increases is also easy to produce noise；For this purpose, gas-collecting sleeve 14 deviates from recessed shell
The side in portion 12 is equipped with beveled end surface, the air inlet of gas-collecting sleeve 14 is increased by beveled end surface, to not only increase air inlet
Amount, and can be to avoid the generation of gas turbulence and flow noise.
As shown in Figure 3 and Figure 5, first partition 15 is connected between main casing portion 11 and recessed shell portion 12, first partition 15 is by noise reduction
Chamber 13 is separated into the first suction chamber 131 and the second suction chamber 132, and the first suction chamber 131 and the second suction chamber 132 are in fluid communication,
First suction chamber 131 is in fluid communication with air inlet, and the second suction chamber 132 is in fluid communication with exhaust pipe 3.
Specifically, the first suction chamber 131, main casing portion 11 and first partition 15 are formed between recessed shell portion 12 and first partition 15
Between form the second suction chamber 132, from air inlet flow into gas in 131 internal damping of the first suction chamber, flow through the second air-breathing
It is discharged after chamber 132 by exhaust pipe 3；Recessed shell portion 12 takes full advantage of arrangement space and forms the first suction chamber 131, to increase
The space of silencing cavity 13, is conducive to noise-reduction.
Further, second partition 16 is connected in the second suction chamber 132, second partition 16 divides the second suction chamber 132
It is divided into the first anechoic chamber 1321 and the second anechoic chamber 1322, the first anechoic chamber 1321 is located at the first suction chamber 131 and the second noise reduction
Between room 1322, the first suction chamber 131 and the second anechoic chamber 1322 are in fluid communication, the first anechoic chamber 1321 and the second anechoic chamber
1322 are in fluid communication, and the first anechoic chamber 1321 is in fluid communication with exhaust pipe 3.
Specifically, the gas flowed into from air inlet, followed by the first suction chamber 131, the second anechoic chamber 1322 and first
Anechoic chamber 1321, and be discharged by exhaust pipe 3.From the first suction chamber 131 flow to the gas of the second anechoic chamber 1322 with from second
Anechoic chamber 1322 flows to the gas flow direction of the first anechoic chamber 1321 on the contrary, flowing in silencing cavity 13 to increase gas
Stroke, and then be conducive to consume gas kinetic energy, reduce the noise for gas generation be discharged from exhaust pipe 3.
As shown in figure 3, first partition 15 and second partition 16 are all connected with the first appendix 17, one end of the first appendix 17
It is connected to the first suction chamber 131, the other end of the first appendix 17 is connected to the second anechoic chamber 1322.
Specifically, first partition 15 is equipped with first through hole, and one end that the first appendix 17 is connected to the first suction chamber 131 is inserted
It connects in first through hole, and the first appendix 17 is less than towards the spacing between a side end face and first partition 15 for air inlet
5mm reaches buffer gas purpose to ensure that gas sufficiently flows in the first suction chamber 131.
Further, one end that the first appendix 17 is connected to the first suction chamber 131 is connected with filter screen.It is filtered by filter screen
Resistance is generated except the impurity in gas, and to gas, to make the gas kinetic energy entered in the second suction chamber 132 decaying, is improved
Noise reduction effect.
Second partition 16 connects the second appendix 18, and one end of the second appendix 18 is connected to the first anechoic chamber 1321, the
The other end of two appendixs 18 is connected to the second anechoic chamber 1322.Wherein, second partition 16 is equipped with the second through-hole, the first gas transmission
Pipe 17 is plugged in the second through-hole, and the first appendix 17 is between a side end face and second partition 16 for the first suction chamber 131
Away from 10mm is greater than, so that gas flows to the one end of the second anechoic chamber 1322 far from the first anechoic chamber 1321, then along the second gas transmission
Pipe 18 flows in the first anechoic chamber 1321, to increase gas flowing stroke, improves noise reduction effect.
Embodiment two
As shown in fig. 6, compressor provided by the embodiment of the utility model, comprising: casing 4, taps into externally connected exhaust pipe 5 outside
The suction line that tracheae 6 and embodiment one provide, externally connected exhaust pipe 5 and external air inlet pipe 6 are connect with casing 4, external exhaust
Pipe 5 and exhaust pipe 3 are in fluid communication, and external air inlet pipe 6 has the air inlet of suction line to be in fluid communication.It should be noted that this reality
The technical effect for applying the compressor of example offer is identical as the air inlet effect of suction line that embodiment one provides, therefore no longer superfluous herein
It states.
In the utility model embodiment, suction line is connected in casing 4, and the externally connected exhaust pipe 5 in casing 4 is inserted
It is connected to the recessing groove of suction line, and is extended along recessing groove.With the extending direction of recessing groove, the change in size of compressor is stepped down
Slot can accommodate the externally connected exhaust pipe 5 of different length, to guarantee suitability of the suction line inside casing 4, and pass through
Recessing groove can be limited and be protected to externally connected exhaust pipe 5, and externally connected exhaust pipe 5 and external air inlet pipe 6 is avoided to generate collision.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of suction line characterized by comprising muffler (1) and exhaust pipe (3), the muffler (1) includes: master
Shell portion (11) and recessed shell portion (12), the main casing portion (11) and the recessed shell portion (12), which are enclosed, to be set to be formed silencing cavity (13), described recessed
The side wall in shell portion (12) forms recessing groove towards the silencing cavity (13) inner recess, and on the outside of the recessed shell portion (12), described
Recessed shell portion (12) is equipped with air inlet, and the air inlet and the exhaust pipe (3) are in fluid communication with the silencing cavity (13).
2. suction line according to claim 1, which is characterized in that the air inlet setting is carried on the back in the recessed shell portion (12)
Side from the main casing portion (11), from one end away from the main casing portion (11) to one end of the close main casing portion (11),
The intracavity section area of the recessed shell portion (12) is incremented by.
3. suction line according to claim 1, which is characterized in that recessed shell portion (12) connection gas-collecting sleeve (14), and
The gas-collecting sleeve (14) and the air inlet are in fluid communication, the gas-collecting sleeve (14) from connect one end of the recessed shell portion (12) to
Extend away from the direction of the recessed shell portion (12), and radial dimension is incremented by；
The gas-collecting sleeve (14) is equipped with beveled end surface, the beveled end surface and the gas collection away from the side of the recessed shell portion (12)
The extending direction angle for covering (14) is greater than 0 degree and less than 90 degree.
4. suction line according to claim 1, which is characterized in that the main casing portion (11) and the recessed shell portion (12) it
Between connect first partition (15), the silencing cavity (13) is separated into the first suction chamber (131) and the by the first partition (15)
Two suction chambers (132), first suction chamber (131) and second suction chamber (132) are in fluid communication, first suction chamber
(131) it is in fluid communication with the air inlet, second suction chamber (132) and the exhaust pipe (3) are in fluid communication.
5. suction line according to claim 4, which is characterized in that be connected with second in second suction chamber (132)
Second suction chamber (132) is separated into the first anechoic chamber (1321) and second and disappeared by partition (16), the second partition (16)
Tone chamber (1322), first anechoic chamber (1321) are located at first suction chamber (131) and second anechoic chamber (1322)
Between, first suction chamber (131) and second anechoic chamber (1322) are in fluid communication, first anechoic chamber (1321) with
Second anechoic chamber (1322) is in fluid communication, and first anechoic chamber (1321) and the exhaust pipe (3) are in fluid communication.
6. suction line according to claim 5, which is characterized in that the first partition (15) and the second partition
(16) it is all connected with the first appendix (17), one end of first appendix (17) is connected to first suction chamber (131), institute
The other end for stating the first appendix (17) is connected to second anechoic chamber (1322).
7. suction line according to claim 6, which is characterized in that the first appendix (17) connection described first is inhaled
One end of air cavity (131) is connected with filter screen.
8. suction line according to claim 6, which is characterized in that the second partition (16) connects the second appendix
(18), one end of second appendix (18) is connected to first anechoic chamber (1321), second appendix (18)
The other end is connected to second anechoic chamber (1322).
9. a kind of compressor characterized by comprising casing (4), externally connected exhaust pipe (5), external air inlet pipe (6) and right are wanted
Seek the described in any item suction lines of 1-8, the externally connected exhaust pipe (5) and the external air inlet pipe (6) with the casing (4)
Connection, the externally connected exhaust pipe (5) and the exhaust pipe (3) are in fluid communication, and the external air inlet pipe (6) has the suction line
The air inlet be in fluid communication.
10. compressor according to claim 9, which is characterized in that the suction line is connected in the casing (4),
The externally connected exhaust pipe (5) in the casing (4) is plugged in the recessing groove of the suction line, and allows along described
Position slot extends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822164396.XU CN209510574U (en) | 2018-12-20 | 2018-12-20 | Suction line and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822164396.XU CN209510574U (en) | 2018-12-20 | 2018-12-20 | Suction line and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209510574U true CN209510574U (en) | 2019-10-18 |
Family
ID=68196364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822164396.XU Active CN209510574U (en) | 2018-12-20 | 2018-12-20 | Suction line and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209510574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343792A (en) * | 2020-09-30 | 2021-02-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Suction muffler and reciprocating compressor |
-
2018
- 2018-12-20 CN CN201822164396.XU patent/CN209510574U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343792A (en) * | 2020-09-30 | 2021-02-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Suction muffler and reciprocating compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210615 Address after: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee after: Huangshi Dongbei Compressor Co.,Ltd. Address before: No.6, East Jinshan Avenue, Huangshi economic and Technological Development Zone, Huangshi City, Hubei Province Patentee before: Huangshi Dongbei Electrical Appliance Co.,Ltd. |
|
| TR01 | Transfer of patent right |