CN107202010B - Compressor and refrigerating device with same - Google Patents
Compressor and refrigerating device with same Download PDFInfo
- Publication number
- CN107202010B CN107202010B CN201710524071.5A CN201710524071A CN107202010B CN 107202010 B CN107202010 B CN 107202010B CN 201710524071 A CN201710524071 A CN 201710524071A CN 107202010 B CN107202010 B CN 107202010B
- Authority
- CN
- China
- Prior art keywords
- compressor
- orthographic projection
- exhaust
- exhaust hole
- cylinder
- 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.)
- Active
Links
Images
Classifications
-
- 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
-
- 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
Abstract
The invention discloses a compressor and a refrigerating device with the same, wherein the compressor comprises: a housing; the compression mechanism part is arranged in the shell and comprises a cylinder and an exhaust part, a cylinder cavity and a slide sheet groove are arranged in the cylinder, an exhaust hole and an installation cavity for installing an exhaust valve are arranged on the exhaust part, and a flow guide notch is arranged on the end face of the exhaust part, which faces the cylinder; on the end face of the cylinder, a first intersection point is arranged between the orthographic projection of the exhaust hole and the orthographic projection of the cylinder cavity, a second intersection point is arranged between the orthographic projection of the exhaust hole and the orthographic projection of the extending face of the side wall of the slide groove, the orthographic projection of the central axis of the exhaust hole is a central point, a connecting line of the central point and the first intersection point is a first connecting line, a connecting line of the central point and the second intersection point is a second connecting line, an included angle between the first connecting line and the second connecting line is theta, and an enveloping angle phi between the orthographic projection of the peripheral edge of the flow guide notch and the central point is less than or equal to 1.5 theta. According to the compressor provided by the invention, the airflow velocity gradient on the outlet section of the exhaust hole can be reduced.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a compressor and a refrigerating device with the same.
Background
In the related art, a compressor compresses a refrigerant in a compression chamber, and once a refrigerant gas is compressed to a predetermined pressure in the compression chamber, a discharge valve is opened and the gas flow is discharged out of the compression chamber through a discharge hole.
The design of the exhaust hole is generally a section of regular revolution surface, and a process chamfer is arranged at a position close to the end surface of the cylinder for deburring. However, when the high-pressure refrigerant gas enters the exhaust hole, the section of the flow passage is suddenly changed, the inertia of the gas flow forms a large vortex area at the outlet of the exhaust hole, and the gas flow speed on the section of the outlet of the exhaust hole forms a large gradient, so that the smoothness of the exhaust is hindered.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, the present invention provides a compressor which can reduce the airflow speed gradient at the outlet of the exhaust hole and improve the smoothness of exhaust.
The invention also provides a refrigerating device which comprises the compressor.
The compressor according to the embodiment of the present invention includes: a housing; the compression mechanism part is arranged in the shell and comprises an air cylinder and an exhaust part arranged on the end face of the air cylinder, an air cylinder cavity and a sliding sheet groove are arranged in the air cylinder, an exhaust hole and an installation cavity for installing an exhaust valve are arranged on the exhaust part, a flow guide notch is arranged on the end face, facing the air cylinder, of the exhaust part, and the flow guide notch extends to be communicated with the exhaust hole; on the end face of the cylinder, a first intersection point is arranged between the orthographic projection of the exhaust hole and the orthographic projection of the cylinder cavity, a second intersection point is arranged between the orthographic projection of the exhaust hole and the orthographic projection of the extending face of the side wall of the slide groove, the orthographic projection of the central axis of the exhaust hole is a central point, a connecting line of the central point and the first intersection point is a first connecting line, a connecting line of the central point and the second intersection point is a second connecting line, an included angle between the first connecting line and the second connecting line is theta, an enveloping angle between the orthographic projection of the outer periphery edge of the flow guide notch and the central point is phi, and phi is less than or equal to 1.5 theta.
According to the compressor provided by the embodiment of the invention, the orthographic projection of the guide notch on the end surface of the cylinder is positioned in the range of the included angle of 1.5 theta, so that the force input of the compressor is favorably improved, and the sealing property of the end surface of the sliding sheet is ensured. The guide notch is gradually diffused and formed from the initial position to the outside, so that the invalid clearance volume can be prevented from being increased, and the airflow velocity gradient on the section of the outlet of the exhaust hole is reduced, thereby achieving the purposes of reducing the airflow velocity, improving the inlet force of the compressor and improving the energy efficiency.
In addition, the compressor according to the above embodiment of the present invention has the following additional technical features:
according to an embodiment of the invention, the flow directing notches are symmetrically arranged with respect to a bisector of an angle between the first line and the second line.
According to one embodiment of the invention, the longitudinal section of the vent hole is cylindrical.
According to one embodiment of the invention, the longitudinal section of the exhaust hole is conical.
According to one embodiment of the invention, the cross section of the exhaust hole is elliptical, and an included angle is formed between an orthographic projection of a central axis of the exhaust hole and an orthographic projection of a central axis of the cylinder cavity on the longitudinal section of the cylinder.
According to one embodiment of the invention, the cross section of the exhaust hole is D-shaped.
According to one embodiment of the invention, the cross section of the exhaust hole comprises a plurality of circular arc sections and a plurality of straight line sections, and the circular arc sections at two adjacent ends are connected through at least one straight line section.
According to one embodiment of the invention, the flow directing notches consist of at least one section of a curved surface.
According to an embodiment of the present invention, the compression mechanism portion includes a plurality of cylinders, a middle partition plate is provided between adjacent cylinders, and the exhaust member includes the middle partition plate.
The refrigeration device according to the second aspect of the embodiment of the invention comprises the compressor.
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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a discharge section in a compressor according to an embodiment of the present invention;
FIG. 2 is another schematic view of a discharge section in a compressor according to an embodiment of the present invention;
fig. 3 is a schematic view of a compression mechanism portion in the compressor according to the embodiment of the present invention;
FIG. 4 is a schematic view of a portion of the structure of FIG. 3;
FIGS. 5-14 are schematic illustrations of different embodiments of flow directing notches in an exhaust component according to embodiments of the present invention;
fig. 15 to 17 are sectional views of exhaust holes of different embodiments in an exhaust component according to an embodiment of the present invention.
Reference numerals: the compressor 100, the cylinder 11, the cylinder cavity 111, the vane groove 112, the exhaust part 12, the exhaust hole 121, the installation cavity 122, the guide notch 123, the exhaust valve 13, the vane 14, the rolling rotor 15, the valve seat 16, the first intersection point a, the second intersection point B, the center point O, the first connection line OA, and the second connection line OB.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. 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.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "vertical," "horizontal," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A compressor 100 according to an embodiment of the first aspect of the present invention will be described with reference to the accompanying drawings. The compressor 100 may be, for example, a hermetic compressor or the like.
As shown in fig. 1 to 17, a compressor 100 according to an embodiment of the present invention includes: a housing (not shown) and a compression mechanism portion.
Specifically, the compression mechanism portion is provided in a housing that can protect the compression mechanism portion, the compression mechanism portion includes a cylinder 11 and a discharge member 12, and the discharge member 12 can be provided on an end surface of the cylinder 11. For example, the exhaust component 12 may be a bearing or the like.
Referring to fig. 3 and 4, a cylinder cavity 111 and a vane slot 112 are formed in the cylinder 11, the vane slot 112 is used for mounting the vane 14, a rolling rotor 15 is formed in the cylinder cavity 111, and the vane 14 can slide in the vane slot 112 during the operation of the compressor 100.
The exhaust part 12 is provided with an exhaust hole 121 and a mounting cavity 122, the mounting cavity 122 is used for mounting the exhaust valve 13, the end surface of the exhaust part 12 facing the cylinder 11 is provided with a flow guide notch 123, and the flow guide notch 123 extends to be communicated with the exhaust hole 121. When the pressure in the cylinder cavity 111 reaches a preset value, the exhaust valve 13 is opened, the refrigerant can be discharged along the guide cut 123 and the exhaust hole 121, the exhaust speed loss at the inlet of the exhaust hole 121 can be reduced by arranging the guide cut 123, and the airflow speed gradient on the outlet section of the exhaust hole 121 is reduced, so that the aims of reducing the exhaust speed, improving the inlet force of the compressor and improving the energy efficiency are fulfilled.
For example, the guide slits 123 may be formed on the bearing discharge hole 121, the discharge hole 121 may be provided with the guide slits 123 along an edge of the refrigerant flow inlet, the guide slits 123 may be formed by removing material from the discharge hole 121 radially outward, or the discharge hole 121 may be cast with the guide slits 123.
On the end surface of the cylinder 11, a first intersection point a is formed between the orthographic projection of the exhaust hole 121 and the orthographic projection of the cylinder cavity 111, a second intersection point B is formed between the orthographic projection of the exhaust hole 121 and the orthographic projection of the extending surface of the side wall of the slide groove 112, the orthographic projection of the central axis of the exhaust hole 121 is a central point O, a connecting line of the central point O and the first intersection point a is a first connecting line OA, a connecting line of the central point O and the second intersection point B is a second connecting line OB, and the orthographic projection of the guide notch 123 is located between the first connecting line OA and the second connecting line OB.
Referring to fig. 5 and 6, the first line OA and the second line OB have an included angle θ therebetween, and an envelope angle between an orthogonal projection of the outer peripheral edge of the guide slit 123 and the center point O is Φ, where Φ is ≦ 1.5 × θ. Therefore, the force input by the compressor is improved, and the sealing performance of the end face of the sliding vane 14 is ensured.
For example, the orthographic projection of the diversion cuts 123 on the end face of the cylinder 11 may be within 1.5 × θ, which may avoid additional increase of clearance volume to reduce cooling capacity and affect the improvement of the inlet force of the compressor 100.
According to the compressor 100 provided by the embodiment of the invention, the orthographic projection of the guide cut 123 on the end surface of the cylinder 11 is in the range of the included angle 1.5 theta, so that the force input of the compressor is favorably improved, and the sealing performance of the end surface of the sliding vane 14 is ensured. The diversion notches 123 are gradually diffused and formed from the initial position to the outside, so that the increase of ineffective clearance volume can be avoided, and the airflow velocity gradient on the outlet section of the exhaust hole 121 is reduced, thereby achieving the purposes of reducing the exhaust flow velocity, improving the inlet force of the compressor and improving the energy efficiency.
Referring to fig. 1, a valve seat 16 is provided around the exhaust hole 121 in the installation chamber 122. In other words, the valve seat 16 is disposed in the mounting cavity 122, the valve seat 16 may be disposed around the exhaust hole 121, the valve seat 16 is opposite to the exhaust valve 13, and the exhaust valve 13 is opened when the pressure in the cylinder cavity 111 reaches a predetermined pressure.
According to one embodiment of the invention, the flow directing notches 123 are symmetrically arranged with respect to a bisector of the angle between the first line OA and the second line OB. For example, the guide slits 123 may be symmetrical with respect to the θ/2 angle ray, which facilitates the process in consideration of mass productivity.
The present invention is not limited thereto. For example, referring to fig. 11 and 12, the diversion cuts 123 may not be symmetrically disposed with respect to a bisector of an angle between the first line OA and the second line OB.
Referring to fig. 15 and 16, the longitudinal section of the discharge hole 121 may be cylindrical or conical according to an embodiment of the present invention. Thereby, the processing of the gas discharge hole 121 is easy, and the gas discharge effect of the compressor can be improved to some extent.
Referring to fig. 17, according to an embodiment of the present invention, the cross section of the exhaust hole 123 may be an ellipse, and an orthogonal projection of a central axis of the exhaust hole 123 and an orthogonal projection of a central axis of the cylinder chamber 111 have an included angle on a longitudinal section of the cylinder 11. Therefore, the airflow velocity gradient on the outlet section of the exhaust hole 121 can be reduced to a certain extent, and the exhaust effect of the compressor is improved.
According to one embodiment of the present invention, the cross-section of the discharge hole 121 is "D" shaped. For example, the cross section of the exhaust hole 121 may be composed of a circular arc and a straight line segment connecting both end points of the circular arc. Therefore, the exhaust hole 121 can be easily processed and manufactured while ensuring the exhaust effect.
According to an embodiment of the present invention, the cross section of the exhaust hole 123 includes a plurality of circular arc segments and a plurality of straight line segments, and the circular arc segments at two adjacent ends are connected by at least one straight line segment (or circular arc segment, etc.). This is advantageous in reducing the airflow velocity gradient at the outlet of the exhaust hole 123 and improving the smoothness of the exhaust.
According to one embodiment of the present invention, the guide slits 123 are comprised of at least one section of curved surface. The air flow speed gradient at the outlet of the air exhaust hole 123 is reduced, and the air exhaust smoothness is improved.
For example, the orthographic projection of the diversion cut 123 on the end surface of the cylinder 11 may be a circular arc, one end of which coincides with the first intersection point a and the other end of which coincides with the second intersection point B. The guide slits 123 are simple in structure and easy to process.
The guide slit 123 may also be composed of multiple smoothly connected curved surfaces; the guide slit 123 may also be composed of at least one flat surface and smoothly connected curved surfaces, etc.
According to one embodiment of the present invention, the compression mechanism portion includes a plurality of cylinders 11, a center partition is provided between adjacent cylinders 11, and the exhaust member 12 includes a center partition. Wherein the guide slits 123 may be provided on the middle partition exhaust holes of the multi-cylinder structure. The exhaust part 12 is arranged on the multi-cylinder compressor, so that the airflow speed gradient on the outlet section of the exhaust hole 121 is favorably reduced, and the aims of reducing the exhaust flow speed, improving the inlet force of the compressor and improving the energy efficiency are fulfilled.
According to the compressor 100 of the embodiment of the invention, the guide notch 123 is arranged on the end surface of the exhaust part 12 facing the cylinder 11, so that the exhaust speed (or vortex) loss at the inlet of the exhaust hole 121 can be reduced, the airflow speed gradient on the outlet section of the exhaust hole is reduced, and the purposes of reducing the exhaust flow speed, improving the inlet force of the compressor and improving the energy efficiency are achieved.
The compressor 100 according to the embodiment of the present invention includes a hermetic container, a cylinder 11 disposed in the hermetic container, a rotating shaft coaxially disposed at the center of the cylinder 11, a driving mechanism for rotationally driving the rotating shaft, a bearing disposed at an end surface side of the cylinder 11 for axially supporting the rotating shaft and forming a compression chamber (cylinder chamber 111) in the cylinder 11; the bearing is provided with an exhaust hole 121, the exhaust hole 121 is communicated with the valve seat 16 in a tangent mode, the exhaust hole 121 is provided with a flow guide notch 123 along the edge of a refrigerant flow inlet, the projection of the flow guide notch 123 on the end face of the cylinder 11 is located in the range of 1.5 times of an included angle theta formed by a first intersection point A of the orthographic projection of the exhaust hole 121 and the inner wall face of the cylinder 11 and a second intersection point B of the orthographic projection of the inner cylindrical face of the exhaust hole 121 and the orthographic projection of the extending face of the side wall of the sliding sheet groove 112, and the flow guide notch beyond the range of 1.5 theta can additionally increase the clearance volume and reduce the cold quantity, is not beneficial to the improvement of the input force and can influence. The guide slits 123 are symmetrical with respect to the angle θ/2, so that the process productivity is considered, and the processing is facilitated. The rotation axis of the guide slit 123 and the central axis of the discharge hole 121 may be arranged in parallel or coaxially to avoid increasing ineffective clearance volume and reduce airflow velocity gradient on the discharge hole outlet section, thereby achieving the purpose of reducing discharge airflow velocity, improving compressor force and improving energy efficiency.
The refrigeration device according to the second aspect of the embodiment of the present invention includes the compressor 100 described above. Therefore, the compressor 100 according to the first embodiment of the present invention is provided in the refrigeration apparatus, which is advantageous for improving energy efficiency and improving usability of the refrigeration apparatus.
Other constructions and operations of the compressor 100 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean 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, 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 (10)
1. A compressor, comprising:
a housing;
the compression mechanism part is arranged in the shell and comprises an air cylinder and an exhaust part arranged on the end face of the air cylinder, an air cylinder cavity and a sliding sheet groove are arranged in the air cylinder, an exhaust hole and an installation cavity for installing an exhaust valve are arranged on the exhaust part, a flow guide notch is arranged on the end face, facing the air cylinder, of the exhaust part, and the flow guide notch extends to be communicated with the exhaust hole;
on the end face of the cylinder, a first intersection point is arranged between the orthographic projection of the exhaust hole and the orthographic projection of the cylinder cavity, a second intersection point is arranged between the orthographic projection of the exhaust hole and the orthographic projection of the extending face of the side wall of the slide groove, the orthographic projection of the central axis of the exhaust hole is a central point, a connecting line of the central point and the first intersection point is a first connecting line, a connecting line of the central point and the second intersection point is a second connecting line, an included angle between the first connecting line and the second connecting line is theta, an enveloping angle between the orthographic projection of the outer periphery edge of the flow guide notch and the central point is phi, and phi is less than or equal to 1.5 theta.
2. The compressor of claim 1, wherein the flow directing notches are symmetrically disposed with respect to a bisector of an angle between the first line and the second line.
3. The compressor of claim 1, wherein the discharge hole is cylindrical in longitudinal section.
4. The compressor of claim 1, wherein the discharge hole has a conical longitudinal section.
5. The compressor of claim 1, wherein the cross section of the exhaust hole is elliptical, and an included angle is formed between an orthographic projection of a central axis of the exhaust hole and an orthographic projection of a central axis of the cylinder cavity on the longitudinal section of the cylinder.
6. The compressor of claim 1, wherein the discharge hole has a D-shaped cross-section.
7. The compressor of claim 1, wherein the cross section of the discharge hole comprises a plurality of circular arc sections and a plurality of straight line sections, and the circular arc sections at two adjacent ends are connected through at least one straight line section.
8. The compressor of claim 1, wherein the flow directing notches are comprised of at least one section of curved surface.
9. The compressor according to claim 1, wherein the compression mechanism portion includes a plurality of cylinders, a middle partition plate is provided between adjacent cylinders, and the discharge member includes the middle partition plate.
10. A refrigerating device, characterized by comprising a compressor according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524071.5A CN107202010B (en) | 2017-06-30 | 2017-06-30 | Compressor and refrigerating device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524071.5A CN107202010B (en) | 2017-06-30 | 2017-06-30 | Compressor and refrigerating device with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107202010A CN107202010A (en) | 2017-09-26 |
| CN107202010B true CN107202010B (en) | 2021-02-12 |
Family
ID=59910797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710524071.5A Active CN107202010B (en) | 2017-06-30 | 2017-06-30 | Compressor and refrigerating device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107202010B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255686B (en) * | 2018-11-30 | 2021-11-02 | 广东美芝精密制造有限公司 | Compressor and slip sheet, electrical equipment thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153870A (en) * | 1995-11-16 | 1997-07-09 | 运载器有限公司 | Enhanced rotary compressor valve port entrance |
| CN1978903A (en) * | 2005-12-05 | 2007-06-13 | 乐金电子(天津)电器有限公司 | Upper bearing of rotary compressor |
| CN101191487A (en) * | 2006-11-21 | 2008-06-04 | 乐金电子(天津)电器有限公司 | Upper bearing with highly effective exhaust hole for compressor |
| CN204239261U (en) * | 2014-11-19 | 2015-04-01 | 广东美芝制冷设备有限公司 | Rotary compressor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06147162A (en) * | 1992-11-06 | 1994-05-27 | Sanyo Electric Co Ltd | Closed rotary compressor |
| JP2013076337A (en) * | 2011-09-29 | 2013-04-25 | Fujitsu General Ltd | Rotary compressor |
| CN204877959U (en) * | 2015-08-18 | 2015-12-16 | 珠海凌达压缩机有限公司 | Compresser cylinder reaches compressor and electrical apparatus including this compresser cylinder |
| CN207033732U (en) * | 2017-06-30 | 2018-02-23 | 广东美芝制冷设备有限公司 | Compressor and there is its refrigerating plant |
-
2017
- 2017-06-30 CN CN201710524071.5A patent/CN107202010B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153870A (en) * | 1995-11-16 | 1997-07-09 | 运载器有限公司 | Enhanced rotary compressor valve port entrance |
| CN1978903A (en) * | 2005-12-05 | 2007-06-13 | 乐金电子(天津)电器有限公司 | Upper bearing of rotary compressor |
| CN101191487A (en) * | 2006-11-21 | 2008-06-04 | 乐金电子(天津)电器有限公司 | Upper bearing with highly effective exhaust hole for compressor |
| CN204239261U (en) * | 2014-11-19 | 2015-04-01 | 广东美芝制冷设备有限公司 | Rotary compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107202010A (en) | 2017-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100400153B1 (en) | Centrifugal multiblade blower | |
| CN106481574B (en) | Centrifugal fan and air conditioner comprising same | |
| BR0116782B1 (en) | silencer for airtight rotary compressor. | |
| US10641284B2 (en) | Centrifugal blower assemblies having a plurality of airflow guidance fins and method of assembling the same | |
| KR100312074B1 (en) | Compressor for refrigeration cycle | |
| CN107202010B (en) | Compressor and refrigerating device with same | |
| JP5456099B2 (en) | Rotary compressor | |
| EP3587828B1 (en) | Centrifugal compressor and turbo refrigerator | |
| CN107120277B (en) | Compressor and refrigerating device with same | |
| CN107091230B (en) | Compressor and refrigerating device with same | |
| WO2014057602A1 (en) | Compressor | |
| CN107100842B (en) | Compression mechanism of compressor and compressor with same | |
| WO2023035382A1 (en) | Rotor assembly and compressor | |
| US11067071B2 (en) | Cylinder head for compressor | |
| CN113339240A (en) | Suction valve plate, valve group assembly, compressor and refrigerator | |
| US20170030357A1 (en) | Cylinder-rotation-type compressor | |
| JP2008150982A (en) | Vane rotary compressor | |
| CN104481882A (en) | Compression mechanism for rotary compressor and rotary compressor with same | |
| CN216381781U (en) | Suction valve plate, valve group assembly, compressor and refrigerator | |
| CN113700632B (en) | Exhaust valve seat and compressor | |
| CN107091232B (en) | Cover seal and cover seal assembly for compressor and compressor | |
| CN216198989U (en) | Pump body assembly, rotary compressor and refrigeration equipment | |
| CN214617041U (en) | Rotor subassembly, compressor | |
| EP4177472A1 (en) | Ventilation device | |
| CN107165829B (en) | Compression mechanism and compressor with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |