CN113357149A - Compression assembly for compressor and rotary compressor - Google Patents
Compression assembly for compressor and rotary compressor Download PDFInfo
- Publication number
- CN113357149A CN113357149A CN202110712572.2A CN202110712572A CN113357149A CN 113357149 A CN113357149 A CN 113357149A CN 202110712572 A CN202110712572 A CN 202110712572A CN 113357149 A CN113357149 A CN 113357149A
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- 230000006835 compression Effects 0.000 title claims abstract description 60
- 238000007906 compression Methods 0.000 title claims abstract description 60
- 238000004891 communication Methods 0.000 claims abstract description 18
- 238000005192 partition Methods 0.000 abstract description 16
- 239000011148 porous material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a compression assembly for a compressor and a rotary compressor, wherein the assembly for the compressor comprises a first air cylinder, a second air cylinder and a partition plate, the first air cylinder defines a first compression cavity, the first air cylinder is provided with an air inlet hole, a communication hole and a first air suction hole, the first air suction hole is communicated with the first compression cavity and each of the air inlet holes, the communication hole is communicated with the air inlet holes, and the central line of the first air suction hole and the central line of the air inlet holes are staggered in the axial direction of the first air cylinder; the second cylinder defines a second compression cavity, and is provided with an air suction channel communicated with the second compression cavity; the baffle is located between first cylinder and the second cylinder in the axial of first cylinder, has seted up the baffle through-hole on the baffle, and the suction channel passes through the baffle through-hole and communicates with the intercommunicating pore, and intercommunicating pore, baffle through-hole and suction channel constitute the second suction opening. The rotary compressor provided by the embodiment of the invention has the advantages of high energy efficiency and the like.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a compression assembly for a compressor and a rotary compressor.
Background
Rotary compressor among the correlation technique to the rotary compressor who has two cylinders, all designs the suction opening on two general cylinders, also has two breathing pipes on the reservoir simultaneously, respectively with two cylinder UNICOMs. In recent years, there have been some designs of single suction for a two-cylinder rotary compressor, as shown in fig. 1, which includes an upper cylinder 10, a lower cylinder 2020, a partition plate 30, a crankshaft 100, an upper piston 40, a lower piston 50, an upper bearing 60, a lower bearing 70, an upper bearing muffler 80, and a lower bearing muffler 90. The partition plate 30 is disposed between an upper cylinder 10 and a lower cylinder 2020, the upper cylinder 10 defining an upper compression chamber 1001, the lower cylinder 2020 defining a lower compression chamber 2001, an upper piston 40 disposed in the upper compression chamber 1001, and a lower piston 50 disposed in the lower compression chamber 2001. The upper piston 40 and the lower piston 50 are both connected to a crankshaft 100, the crankshaft 100 is rotatably assembled to the upper bearing 60 and the lower bearing 70, the upper bearing muffler 80 is disposed above the upper bearing 60, and the lower bearing muffler 90 is disposed below the lower bearing 70.
An air inlet hole 1002 and an upper air suction hole 1003 are formed in the upper air cylinder 10, the upper air suction hole 1003 is communicated with an upper compression cavity 1001, a lower air suction hole 2002 is defined on the upper bearing 60, the partition plate 30 and the lower air cylinder 2020, the lower air suction hole 2002 is communicated with the lower compression cavity 2001, and the upper air suction hole 1003 and the lower air suction hole 2002 are communicated with the air inlet hole 1002. The gas from the inlet hole 1002 is divided into two parts, one part directly enters the upper compression chamber 1001 through the upper suction hole 1003, and the other part enters the lower compression chamber 2001 through the second suction hole. The lower cylinder 2020 has a large flow resistance to the air flow during the intake process, resulting in a low energy efficiency of the lower cylinder 2020.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
To this end, embodiments of the present invention propose a compression assembly for a compressor to improve energy efficiency of a rotary compressor including the compression assembly;
embodiments of the present invention provide a rotary compressor to improve energy efficiency of the rotary compressor.
The compressing assembly for a compressor according to an embodiment of the present invention includes:
the air compressor comprises a first air cylinder, a second air cylinder and a third air cylinder, wherein the first air cylinder defines a first compression cavity, an air inlet hole, a communication hole and a first air suction hole are formed in the first air cylinder, the first air suction hole is communicated with the first compression cavity and each of the air inlet holes, the communication hole is communicated with the air inlet holes, and the center line of the first air suction hole and the center line of the air inlet holes are staggered in the axial direction of the first air cylinder;
the second cylinder defines a second compression cavity, a gas suction channel is formed in the second cylinder, and the gas suction channel is communicated with the second compression cavity; and
the baffle is located between the first cylinder and the second cylinder in the axial direction of the first cylinder, a baffle through hole is formed in the baffle, the air suction channel is communicated with the communication hole through the baffle through hole, and the communication hole, the baffle through hole and the air suction channel form a second air suction hole.
The rotary compressor using the compression assembly for the compressor according to the embodiment of the present invention has advantages of high energy efficiency and the like.
In some embodiments, the equivalent diameter of the air intake hole is greater than the equivalent diameter of the second air intake hole.
In some embodiments, the ratio of the equivalent diameter of the air intake hole to the equivalent diameter of the second air intake hole is 1.5 to 1.8.
In some embodiments, the equivalent diameter of the second suction holes is equal to or greater than the equivalent diameter of the first suction holes.
In some embodiments, the ratio of the equivalent diameter of the second suction holes to the equivalent diameter of the first suction holes is 1.0 to 1.1.
In some embodiments, the equivalent diameter of the air intake holes is greater than the equivalent diameter of the first air intake holes.
In some embodiments, the ratio of the equivalent diameter of the air intake holes to the equivalent diameter of the first air intake holes is 1.6 to 1.9.
In some embodiments, a center line of the intake hole is located between a center line of the first intake hole and the second intake hole in an axial direction of the first cylinder.
In some embodiments, a ratio of a distance between a centerline of the air intake hole and a centerline of the first air intake hole to an equivalent diameter of the first air intake hole is 0.15 to 0.35.
In some embodiments, the minimum thickness of the hole wall of the first air intake hole is equal to or greater than the minimum thickness of the hole wall of the air intake hole.
In some embodiments, the second suction hole is provided to be gradually inclined inward in a direction from the first cylinder to the second cylinder.
The rotary compressor comprises a shell and a compression assembly, wherein the compression assembly is arranged in the shell, and the compression assembly is the compression assembly according to the embodiment of the invention.
The rotary compressor provided by the embodiment of the invention has the advantages of high energy efficiency and the like.
Drawings
Fig. 1 is a partial structural view of a rotary compressor in the related art.
Fig. 2 is a schematic structural view of a compressing assembly for a compressor according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a compressing assembly for a compressor according to another embodiment of the present invention.
Reference numerals:
an upper cylinder 10; an upper compression chamber 1001; an air inlet hole 1002; an upper suction hole 1003;
a lower cylinder 20; a lower compression chamber 2001; a lower suction hole 2002;
a partition plate 30;
an upper piston 40;
a lower piston 50;
an upper bearing 60;
a lower bearing 70;
an upper bearing muffler 80;
a lower bearing muffler 90;
a compression assembly 200;
a first cylinder 1; a first compression chamber 101; an intake hole 102; a communication hole 103; a first air absorption hole 104;
a second cylinder 2; a second compression chamber 201; an air intake passage 202; a second suction hole 203;
a partition plate 3; a partition through hole 301;
a first piston 4;
a second piston 5.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A rotary compressor according to an embodiment of the present invention will be described with reference to the accompanying drawings.
The rotary compressor according to an embodiment of the present invention includes a housing and a compressing assembly 200, the compressing assembly 200 being disposed in the housing.
A compression assembly 200 for a compressor (hereinafter, referred to simply as the compression assembly 200) according to an embodiment of the present invention will be described with reference to the accompanying drawings.
Referring to fig. 2 and 3, a compression assembly 200 according to an embodiment of the present invention includes a first cylinder 1, a second cylinder 2, and a partition plate 3.
The first cylinder 1 defines a first compression chamber 101, the first cylinder 1 is provided with an air inlet hole 102, a communication hole 103 and a first air inlet hole 104, the first air inlet hole 104 is communicated with each of the first compression chamber 101 and the air inlet hole 102, the communication hole 103 is communicated with the air inlet hole 102, and the central line of the first air inlet hole 104 and the central line of the air inlet hole 102 are staggered in the axial direction of the first cylinder 1.
The second cylinder 2 defines a second compression cavity 201, and a suction passage 202 is formed in the second cylinder 2 and is communicated with the second compression cavity 201.
The partition plate 3 is positioned between the first cylinder 1 and the second cylinder 2 in the axial direction of the first cylinder 1, a partition plate through hole 301 is formed in the partition plate 3, the air suction channel 202 is communicated with the communication hole 103 through the partition plate through hole 301, and the communication hole 103, the partition plate through hole 301 and the air suction channel 202 form a second air suction hole 203.
The air intake passage 202 may be an air intake hole or an air intake port.
When the first compression chamber 101 and the second compression chamber 201 of the compression assembly 200 are both supplied with air according to the embodiment of the present invention, the gas entering from the air inlet hole 102 is divided into two parts, i.e., a first part gas and a second part gas. The first part of gas enters the first compression chamber 101 of the first cylinder 1 through the first suction hole 104, and the second part of gas enters the second compression chamber 201 of the second cylinder 2 through the second suction hole 203 composed of the communication hole 103, the partition plate through hole 301 and the suction passage 202.
Since the center line of the first suction hole 104 and the center line of the suction hole 102 are staggered in the axial direction of the first cylinder 1, the swirl loss of the second portion of gas at the inlet of the second suction hole 203 is small, and compared with the related art, the flow resistance of the second portion of gas is small, so that the energy efficiency of the second cylinder 2 can be improved.
Further, the center line of the first suction port 104 and the center line of the suction port 102 are offset in the axial direction of the first cylinder 1, and the flow of the first partial gas is not adversely affected, so that the energy efficiency of the first cylinder 1 is not affected.
Thus, the energy efficiency of the compression assembly 200 according to the embodiment of the present invention may not only be improved but also the energy efficiency of the first cylinder 1 may not be reduced, thereby improving the overall energy efficiency of the rotary compressor using the compression assembly 200.
Therefore, the rotary compressor using the compressing assembly 200 according to the embodiment of the present invention has advantages of high energy efficiency, etc.
The rotary compressor provided by the embodiment of the invention has the advantages of high energy efficiency and the like.
In order to make the technical solution of the present application easier to understand, the technical solution of the present application is described below by taking as an example that the axial direction of the first cylinder 1 coincides with the up-down direction as shown by arrow a in fig. 2, and the radial direction of the first cylinder 1 coincides with the inside-outside direction as shown by arrow B in fig. 2.
The first cylinder 1 (upper cylinder) is disposed above the second cylinder 2 (lower cylinder), and the partition plate 3 is located between the first cylinder 1 and the second cylinder 2 in the up-down direction. The intake holes 102 and the first suction holes 104 extend in the inward and outward directions, and the intake holes 102 are disposed outside the first suction holes 104. The communication hole 103 and the partition through hole 301 extend in the up-down direction as a whole, and the second suction hole 203 extends in the up-down direction as a whole. The center line of the first suction hole 104 and the center line of the intake hole 102 are offset in the vertical direction.
Of course, the second cylinder may be disposed above the first cylinder.
The compression assembly 200 according to an embodiment of the present invention further includes a first piston 4, a second piston 5, and a crankshaft, the first piston 4 is disposed in the first compression chamber 101, the second piston 5 is disposed in the second compression chamber 201, and both the first piston 4 and the second piston 5 are connected to the crankshaft, and the crankshaft is used to drive the first piston 4 and the second piston 5 to roll.
In some embodiments, the equivalent diameter of the intake aperture 102 is greater than the equivalent diameter of the second suction aperture 203.
This can further reduce the flow resistance of the second partial gas, thereby further improving the energy efficiency of the second cylinder 2.
Preferably, the ratio of the equivalent diameter of the intake hole 102 to the equivalent diameter of the second suction hole 203 is 1.5 to 1.8.
Preferably, the equivalent diameter of the second suction holes 203 is equal to or greater than the equivalent diameter of the first suction holes 104.
This can further reduce the flow resistance of the second partial gas, thereby further improving the energy efficiency of the second cylinder 2.
Preferably, the ratio of the equivalent diameter of the second suction holes 203 to the equivalent diameter of the first suction holes 104 is 1.0 to 1.1.
In some embodiments, the equivalent diameter of the inlet holes 102 is greater than the equivalent diameter of the first suction holes 104.
This can further reduce the flow resistance of the second partial gas, thereby further improving the energy efficiency of the second cylinder 2.
Preferably, the ratio of the equivalent diameter of the suction holes 102 to the equivalent diameter of the first suction holes 104 is 1.6 to 1.9.
In some embodiments, the center line of the intake hole 102 is located between the center line of the first intake hole 104 and the second intake hole 203 in the axial direction of the first cylinder 1. In other words, the intake ports 102 are disposed closer to the second suction ports 203 in the axial direction of the first cylinder 1 with respect to the first suction ports 104.
For example, as shown in fig. 2, the center line of the first suction hole 104 is disposed above the center line of the suction hole 102, and the second suction hole 203 is disposed below the suction hole 102.
Therefore, the distance between the first suction holes 104 and the second suction holes 203 is relatively long, and on the one hand, the mutual interference between the flow processes of the first part of gas and the second part of gas can be reduced, so that the flow resistance of the second part of gas can be further reduced, and the energy efficiency of the second cylinder 2 can be further improved. On the other hand, the flow passage of the first part gas (the first suction holes 104) and the flow passage of the second part gas (the second suction holes 203) can be optimized, so that the flow resistance of the second part gas can be further reduced, and the energy efficiency of the second cylinder 2 can be further improved.
Preferably, the ratio of the distance between the center lines of the suction holes 102 and the center line of the first suction hole 104 to the equivalent diameter of the first suction hole 104 is 0.15 to 0.35.
In some embodiments, the minimum thickness of the aperture wall of the first suction aperture 104 is equal to or greater than the minimum thickness of the aperture wall of the suction aperture 102.
For example, as shown in fig. 2 and 3, the minimum thickness of the hole wall of the first suction hole 104 is T, and the minimum thickness T of the hole wall of the suction hole 102 is T, wherein T is greater than T in fig. 2, and T is equal to T in fig. 3.
This makes it possible to optimize the flow path of the first partial gas (first intake holes 104) and the flow path of the second partial gas (second intake holes 203), thereby further reducing the flow resistance of the second partial gas and further improving the energy efficiency of the second cylinder 2.
In some embodiments, the second suction holes 203 are gradually inwardly slantwise provided in a direction from the first cylinder 1 to the second cylinder 2.
This can further reduce the flow resistance of the second partial gas in the second intake hole 203, thereby further improving the energy efficiency of the second cylinder 2.
The compression component 200 of the embodiment of the invention optimizes the air suction channels 202 (air suction holes) of the first cylinder 1 and the second cylinder 2 with a multi-cylinder single air suction structure, thereby not only reducing the air suction resistance loss of the second cylinder 2, but also not improving the air suction pressure loss of the first cylinder 1, and improving the overall energy efficiency of the rotary compressor using the compression component 200.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (12)
1. A compression assembly for a compressor, comprising:
the air compressor comprises a first air cylinder, a second air cylinder and a third air cylinder, wherein the first air cylinder defines a first compression cavity, an air inlet hole, a communication hole and a first air suction hole are formed in the first air cylinder, the first air suction hole is communicated with the first compression cavity and each of the air inlet holes, the communication hole is communicated with the air inlet holes, and the center line of the first air suction hole and the center line of the air inlet holes are staggered in the axial direction of the first air cylinder;
the second cylinder defines a second compression cavity, a gas suction channel is formed in the second cylinder, and the gas suction channel is communicated with the second compression cavity; and
the baffle is located between the first cylinder and the second cylinder in the axial direction of the first cylinder, a baffle through hole is formed in the baffle, the air suction channel is communicated with the communication hole through the baffle through hole, and the communication hole, the baffle through hole and the air suction channel form a second air suction hole.
2. The compressing assembly for a compressor as set forth in claim 1, wherein an equivalent diameter of the suction hole is greater than an equivalent diameter of the second suction hole.
3. The compressing assembly for a compressor as set forth in claim 2, wherein a ratio of an equivalent diameter of the suction hole to an equivalent diameter of the second suction hole is 1.5-1.8.
4. The compressing assembly for a compressor as set forth in claim 2 or 3, wherein the equivalent diameter of the second suction hole is equal to or greater than the equivalent diameter of the first suction hole.
5. The compressing assembly for a compressor as set forth in claim 4, wherein a ratio of an equivalent diameter of the second suction hole to an equivalent diameter of the first suction hole is 1.0-1.1.
6. The compressing assembly for a compressor as set forth in any one of claims 1 to 3, wherein an equivalent diameter of the suction hole is greater than an equivalent diameter of the first suction hole.
7. The compressing assembly for a compressor as set forth in claim 6, wherein a ratio of an equivalent diameter of the suction hole to an equivalent diameter of the first suction hole is 1.6-1.9.
8. The compression assembly for a compressor as claimed in any one of claims 1 to 3, wherein a center line of the suction hole is located between a center line of the first suction hole and the second suction hole in an axial direction of the first cylinder.
9. The compressing assembly for a compressor as set forth in any one of claims 1 to 3, wherein a ratio of a distance between a center line of the suction hole and a center line of the first suction hole to an equivalent diameter of the first suction hole is 0.15-0.35.
10. The compressing assembly for a compressor as set forth in any one of claims 1 to 3, wherein a minimum thickness of a hole wall of the first suction hole is equal to or greater than a minimum thickness of a hole wall of the suction hole.
11. A compression assembly for a compressor as claimed in any one of claims 1 to 3, wherein said second suction hole is provided to be gradually inclined inwardly in a direction from said first cylinder to said second cylinder.
12. A rotary compressor comprising a housing and a compression assembly disposed within the housing, the compression assembly being in accordance with any one of claims 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110712572.2A CN113357149A (en) | 2021-06-25 | 2021-06-25 | Compression assembly for compressor and rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110712572.2A CN113357149A (en) | 2021-06-25 | 2021-06-25 | Compression assembly for compressor and rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113357149A true CN113357149A (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110712572.2A Pending CN113357149A (en) | 2021-06-25 | 2021-06-25 | Compression assembly for compressor and rotary compressor |
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| Country | Link |
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| CN (1) | CN113357149A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251113A (en) * | 2008-04-09 | 2008-08-27 | 珠海格力电器股份有限公司 | Air suction structure of twin-tub rotation-type compressor |
| CN102644593A (en) * | 2011-02-16 | 2012-08-22 | 广东美芝制冷设备有限公司 | Double-cylinder rotary compressor and control method thereof |
| JP2016114049A (en) * | 2014-12-15 | 2016-06-23 | 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． | Rotary compressor |
| CN111255697A (en) * | 2018-11-30 | 2020-06-09 | 安徽美芝精密制造有限公司 | Compressor assembly |
-
2021
- 2021-06-25 CN CN202110712572.2A patent/CN113357149A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251113A (en) * | 2008-04-09 | 2008-08-27 | 珠海格力电器股份有限公司 | Air suction structure of twin-tub rotation-type compressor |
| CN102644593A (en) * | 2011-02-16 | 2012-08-22 | 广东美芝制冷设备有限公司 | Double-cylinder rotary compressor and control method thereof |
| JP2016114049A (en) * | 2014-12-15 | 2016-06-23 | 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． | Rotary compressor |
| CN111255697A (en) * | 2018-11-30 | 2020-06-09 | 安徽美芝精密制造有限公司 | Compressor assembly |
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Application publication date: 20210907 |