CN207161333U - Lower bearing bracket component and screw compressor for screw compressor - Google Patents
Lower bearing bracket component and screw compressor for screw compressor Download PDFInfo
- Publication number
- CN207161333U CN207161333U CN201720804854.4U CN201720804854U CN207161333U CN 207161333 U CN207161333 U CN 207161333U CN 201720804854 U CN201720804854 U CN 201720804854U CN 207161333 U CN207161333 U CN 207161333U
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- lower bearing
- elastic deformation
- bearing bracket
- deformation portion
- screw compressor
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- 230000005489 elastic deformation Effects 0.000 claims abstract description 102
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000192308 Agrostis hyemalis Species 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a kind of lower bearing bracket component and screw compressor for screw compressor, screw compressor includes bent axle and lower bearing, and lower bearing bracket component includes：Lower bearing bracket and elastic deformation portion, lower bearing bracket is interior to be provided with pilot hole, and lower bearing is suitable in pilot hole, and the lower end of bent axle is adapted to pass through lower bearing and is assemblied in pilot hole；Elastic deformation portion is located on lower bearing bracket, and elastic deformation portion is formed as annular, and the inwall in elastic deformation portion is connected with the periphery wall of lower bearing, elastic deformation portion be configured to bent axle towards elastic deformation portion tilts when, the generation elastic deformation of elastic deformation portion.According to the lower bearing bracket component for screw compressor of the utility model embodiment, elastically-deformable elastic deformation portion can occur by being set on lower bearing bracket, formation point between bent axle and lower bearing is effectively prevented to contact, so as to reduce bent axle inordinate wear caused by its point between lower bearing contacts, the reliability of bent axle is improved.
Description
Technical field
Compressor Technology field is the utility model is related to, more particularly, to a kind of lower bearing bracket component for screw compressor
And screw compressor.
Background technology
In correlation technique, screw compressor is mainly by orbiter, fixed scroll, cross slip-ring, bent axle and mainframe
Formed Deng parts.When screw compressor works, by the driving of bent axle, in addition under the constraint of cross slip-ring, dynamic vortex is driven
Disk makees revolution translation, realizes the suction, compression and discharge of gas.However, in screw compressor running, the abrasion of bent axle
It is larger.
Utility model content
Utility model people has found that the main reason for crankshaft wear of the screw compressor in correlation technique is：Orbiter is inclined
When the heart operates, easily cause the inclination of bent axle, bent axle after tilting the contact between bent axle and lower bearing bracket can be caused to become a little to contact,
Cause the inordinate wear of bent axle.The application is exactly that utility model people is changed based on what above-mentioned true and problem discovery and understanding were made
Enter.
Therefore, the utility model proposes a kind of lower bearing bracket component for screw compressor, the lower bearing bracket component can reduce
The inordinate wear of bent axle.
Another purpose of the present utility model is to propose a kind of screw compressor with above-mentioned lower bearing bracket component.
According to the lower bearing bracket component for screw compressor of the utility model first aspect embodiment, the scroll compression
Machine includes bent axle and lower bearing, and the lower bearing bracket component includes：Lower bearing bracket, the lower bearing bracket is interior to be provided with pilot hole, the lower axle
Hold suitable for being located in the pilot hole, the lower end of the bent axle is adapted to pass through the lower bearing and is assemblied in the pilot hole；With
Elastic deformation portion, the elastic deformation portion are located on the lower bearing bracket, and the elastic deformation portion is formed as annular, and the elasticity becomes
The inwall in shape portion is connected with the periphery wall of the lower bearing, and the elastic deformation portion is configured to the bent axle towards the elasticity
Variant part tilt when, the elastic deformation portion occur elastic deformation.
, can by being set on lower bearing bracket according to the lower bearing bracket component for screw compressor of the utility model embodiment
So that elastically-deformable elastic deformation portion occurs, thus, in the screw compressor course of work, when bent axle tilts towards elastic deformation portion
When, it can efficiently avoid formation point between bent axle and lower bearing by the elastic deformation in elastic deformation portion and contact, so as to subtract
Small bent axle inordinate wear caused by its point between lower bearing contacts, it is allowed to which micro in operation process of bent axle inclines
Tiltedly, the reliability of bent axle is improved, extends the service life of bent axle, improves the screw compressor using the lower bearing bracket component
Reliability.
According to some embodiments of the utility model, the upper surface of the lower bearing bracket is provided with annular groove, the annular
The elastic deformation portion is limited between groove and the pilot hole.Become thus, it is possible to easily form elasticity on lower bearing bracket
Shape portion so that elastic deformation portion is formed as a part for lower bearing bracket, simple in construction, easy to process, while can save lower bearing bracket
Materials, reduce the material cost of lower bearing bracket.
According to other embodiments of the present utility model, the elastic deformation portion is formed as from the upper surface of the lower bearing bracket
The annular projection upwardly extended.Thus, on the one hand it is easy to the periphery wall of lower bearing being connected on the inwall in elastic deformation portion, protects
Card bent axle towards elastic deformation portion tilt when, elastic deformation portion elastic deformation can occur, on the other hand can improve lower bearing bracket group
The structural strength of part, improve the reliability of lower bearing bracket component.
Alternatively, the elastic deformation portion is integrally formed with the lower bearing bracket.Thus, the processing of lower bearing bracket component is simplified
Technique, processing cost is reduced, while further increasing the structural strength of lower bearing bracket component, improve lower bearing bracket component
Reliability.
According to some further embodiments of the present utility model, on direction from bottom to up, the elastic deformation portion
Thickness is gradually reduced.Thus, be easy to elastic deformation portion occur elastic deformation, ensure bent axle towards elastic deformation portion tilt when, bullet
Elastic deformation can occur for property variant part, improve the performance in elastic deformation portion.
According to some embodiments of the utility model, at least a portion of the upper surface in the elastic deformation portion is towards close
The direction of the central axis of the pilot hole tilts extension and forms spigot surface.Thus, it is easy to lower bearing being assembled in pilot hole,
Assembly difficulty is reduced, improves efficiency of assembling.
The screw compressor implemented according to the utility model second aspect, including according to the above-mentioned first aspect of the utility model
The lower bearing bracket component for screw compressor of embodiment.
The screw compressor implemented according to the utility model second aspect, by setting under above-mentioned first aspect embodiment
Housing assembly, improve the reliability of screw compressor.
According to some embodiments of the utility model, the upper surface of the upper surface of the lower bearing and the elastic deformation portion
Concordantly.
According to some specific embodiments of the present utility model, the height of the lower bearing is H, the height in the elastic deformation portion
Spend and meet for h, described H, h：0.1H≤h≤0.5H.
According to some embodiments of the utility model, screw compressor further comprises oil baffle, the oil baffle and institute
Lower bearing bracket is stated to be connected.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the sectional view according to the screw compressor of the utility model embodiment；
Fig. 2 is the stereogram of the lower bearing bracket shown in Fig. 1；
Fig. 3 is the top view of the lower bearing bracket shown in Fig. 2；
Fig. 4 is the sectional view according to the screw compressor of the utility model another embodiment；
Fig. 5 is the enlarged drawing in the A portions that Fig. 4 centre circles show；
Fig. 6 is the stereogram of the lower bearing bracket shown in Fig. 4；
Fig. 7 is the top view of the lower bearing bracket shown in Fig. 6.
Reference：
Screw compressor 1000,
Lower bearing bracket 1, pilot hole 10, supporting part 11, fixed part 12, annular groove 13,
Elastic deformation portion 2, spigot surface 21,
Bent axle 101, lower bearing 102, orbiter 103, fixed scroll 104, cross slip-ring 105, mainframe 106, rotor
107, stator 108, oil baffle 109.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " axle
To ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, be only for
Be easy to describe the utility model and simplify to describe, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, define " the
One ", one or more this feature can be expressed or be implicitly included to the feature of " second ".In description of the present utility model
In, unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The lower bearing bracket group for screw compressor 1000 below with reference to Fig. 1-Fig. 7 descriptions according to the utility model embodiment
Part.Wherein, screw compressor 1000 includes bent axle 101 and lower bearing 102.Specifically, screw compressor 1000 also includes dynamic whirlpool
The parts such as capstan 103, fixed scroll 104, cross slip-ring 105, mainframe 106, rotor 107, stator 108, these parts
All it is for those skilled in the art known, is not detailed herein.
When screw compressor 1000 works, under the drive of stator 108 and rotor 107, bent axle 101 rotates, and then moves whirlpool
Capstan 103 operates with the operating of bent axle 101, and in addition in the presence of cross slip-ring 105, orbiter 103 is unable to rotation,
It can only revolve round the sun, refrigerant is compressed under the cooperation of fixed scroll 104 and orbiter 103.
As shown in figure 1, the lower bearing bracket component bag for screw compressor 1000 according to the utility model one embodiment
Include：Lower bearing bracket 1 and elastic deformation portion 2.Lower bearing bracket component primarily serves the effect of fixed crankshaft 101.
Wherein, it is provided with pilot hole 10 in lower bearing bracket 1.Pilot hole 10 can be to form the machine under the middle part of lower bearing bracket 1, insertion
The through hole at 1 axial both ends of frame.Specifically, lower bearing bracket 1 includes supporting part 11 and multiple fixed parts 12.Supporting part 11 can be formed as
The tubular structure of cylinder, the middle part of supporting part 11 are provided with pilot hole 10, and multiple fixed parts 12 are equal in the circumference of supporting part 11
Even interval setting, one end of each fixed part 12 are connected with supporting part 11, and the other end is suitable to the housing with screw compressor 1000
It is connected.
Lower bearing 102 is suitable to be located in pilot hole 10, and the lower end of bent axle 101 is adapted to pass through lower bearing 102 and is assemblied in assembling
In hole 10.For example, lower bearing 102 can be with gland in the pilot hole 10 of lower bearing bracket 1, the lower end of bent axle 101 is adapted to extend into assembling
Coordinate in hole 10 with lower bearing 102.
Elastic deformation portion 2 is located on lower bearing bracket 1, and elastic deformation portion 2 is formed as annular, and the inwall in elastic deformation portion 2 is with
The periphery wall of bearing 102 is connected, elastic deformation portion 2 be configured to bent axle 101 towards elastic deformation portion 2 tilt when, elastic deformation
Elastic deformation occurs for portion 2.That is, in the course of work of screw compressor 1000, during 101 run-off the straight of bent axle, in bent axle 101
In the presence of elastic deformation portion 2 elastic deformation can occur.Specifically, elastic deformation portion 2 can be sent out in the presence of bent axle 101
Raw micro elastic deformation.Thus, in the course of work of screw compressor 1000, when bent axle 101 tilts towards elastic deformation portion 2
When, it can efficiently avoid formation point between bent axle 101 and lower bearing 102 by the elastic deformation in elastic deformation portion 2 and connect
Touch, so as to reduce the inordinate wear of bent axle 101 caused by the point between bent axle 101 and lower bearing 102 contacts, it is allowed to bent axle
The 101 micro inclination in operation process, the reliability of bent axle 101 is improved, extend the service life of bent axle 101, improved
Use the reliability of the screw compressor 1000 of the lower bearing bracket component.
According to the lower bearing bracket component for screw compressor 1000 of the utility model embodiment, by lower bearing bracket 1
Elastically-deformable elastic deformation portion 2 can occur for setting, thus, in the course of work of screw compressor 1000, when the direction of bent axle 101
When elastic deformation portion 2 tilts, bent axle 101 and lower bearing can be efficiently avoid by the elastic deformation in elastic deformation portion 2
Point contact is formed between 102, so as to reduce the inordinate wear caused by its point between lower bearing 102 contacts of bent axle 101,
Allow micro inclination of the bent axle 101 in operation process, improve the reliability of bent axle 101, extend bent axle 101 uses the longevity
Life, improve the reliability of the screw compressor 1000 using the lower bearing bracket component.
According to some embodiments of the utility model, the upper surface of lower bearing bracket 1 is provided with annular groove 13, annular groove 13
Elastic deformation portion 2 is limited between pilot hole 10.Alternatively, annular groove 13 can be formed as toroidal cavity 13, but not
It is limited to this.Reference picture 1- Fig. 3, annular groove 13 can be downwardly concaved by a part for the upper surface of lower bearing bracket 1 and be formed, and annular
Groove 13 is spaced apart setting with pilot hole 10.Thus, it is possible to elastic deformation portion 2 is easily formed on lower bearing bracket 1 so that elasticity
Variant part 2 is formed as a part for lower bearing bracket 1, simple in construction, easy to process, while can save the materials of lower bearing bracket 1, reduces
The material cost of lower bearing bracket 1.
According to some embodiments of the utility model, the central axis of annular groove 13 and the central axis weight of pilot hole 10
Close.Thus, it is possible to so that the even structure in elastic deformation portion 2, symmetrical, the stability of lower bearing bracket component is improved.
According to other embodiments of the present utility model, elastic deformation portion 2 is formed as prolonging upwardly from the upper end of lower bearing bracket 1
The annular projection stretched.Specifically, reference picture 4- Fig. 7, elastic deformation portion 2 can be by one of the neighbouring pilot hole 10 of lower bearing bracket 1
Point upper surface upwardly extends to be formed.Elastic deformation portion 2 can be formed as circular raised, but not limited to this.Elastic deformation portion 2
Internal diameter is equal with the internal diameter of pilot hole 10.Thus, on the one hand it is easy to the periphery wall of lower bearing 102 being connected to elastic deformation portion 2
Inwall on, ensure bent axle 101 towards elastic deformation portion 2 tilts when, elastic deformation portion 2 elastic deformation can occur, another aspect
The structural strength of lower bearing bracket component can be improved, improves the reliability of lower bearing bracket component.
Alternatively, elastic deformation portion 2 is integrally formed with lower bearing bracket 1.Thus, the processing technology of lower bearing bracket component is simplified,
Processing cost is reduced, while further increasing the structural strength of lower bearing bracket component, improves the reliable of lower bearing bracket component
Property.
According to some further embodiments of the present utility model, on direction from bottom to up, the thickness in elastic deformation portion 2
It is gradually reduced.Specifically, on direction from bottom to up, the periphery wall in elastic deformation portion 2 can be towards close to pilot hole 10
The direction extension (such as tilting extension) of central axis is so that the thickness in elastic deformation portion 2 gradually subtracts on direction from bottom to up
It is small.Thus, be easy to elastic deformation portion 2 occur elastic deformation, ensure bent axle 101 towards elastic deformation portion 2 tilt when, elastic deformation
Elastic deformation can occur for portion 2, improve the performance in elastic deformation portion 2.
According to some embodiments of the utility model, at least a portion of the upper surface in elastic deformation portion 2 is towards close to dress
The direction of the central axis of distribution 10 tilts extension and forms spigot surface 21.Specifically, the upper surface in elastic deformation portion 2 can be made
A portion towards close to pilot hole 10 central axis direction tilt extension form spigot surface 21, elasticity can also be made
The whole upper surface of variant part 2 tilts extension towards the direction of the central axis close to pilot hole 10 and forms spigot surface 21.
That is the width of spigot surface 21 is less than or equal to the width of the upper surface in elastic deformation portion 2.Thus, it is easy to lower bearing
102 are assembled in pilot hole 10, reduce assembly difficulty, improve efficiency of assembling.
The screw compressor 1000 implemented according to the utility model second aspect, including according to the utility model above-mentioned first
The lower bearing bracket component for screw compressor 1000 of aspect embodiment.
The screw compressor 1000 implemented according to the utility model second aspect, by setting above-mentioned first aspect embodiment
Lower bearing bracket component, reduce the inordinate wear of bent axle 101, improve the reliability of bent axle 101, extend making for bent axle 101
With the life-span, the reliability of screw compressor 1000 is improved.
According to some embodiments of the utility model, the upper surface of the upper surface and elastic deformation portion 2 of lower bearing 102 is put down
Together.Thus, during 101 run-off the straight of bent axle, it is ensured that the contact-segment of bent axle 101 and lower bearing 102 acts on elastic deformation portion
2nd, active force is applied to elastic deformation portion 2, makes elastic deformation portion 2 that micro elastic deformation occur, avoid bent axle 101 and elasticity
Variant part 2 directly contacts, and is ground extremely caused by its point between lower bearing 102 contacts so as to not only reduce bent axle 101
Damage, it is thus also avoided that abrasion caused by bent axle 101 directly contacts with elastic deformation portion 2, further increasing bent axle 101 and be vortexed
The reliability of compressor 1000.
According to some specific embodiments of the present utility model, the height of lower bearing 102 is H, and the height in elastic deformation portion 2 is
H, H, h meet：0.1H≤h≤0.5H.For example, the height H of lower bearing 102, the height h in elastic deformation portion 2 can meet：H=
0.1H, h=0.3H, h=0.5H etc..Thus, it is possible on the premise of ensureing that elastic deformation can occur for elastic deformation portion 2, carry
The structural strength of relative superiority or inferiority housing assembly.
According to some embodiments of the utility model, screw compressor 1000 further comprises oil baffle 109, oil baffle
109 are connected with lower bearing bracket 1.Oil baffle 109 can be fixed on the lower surface of fixed part 12 by screw etc..Thus, it is possible to subtract
The disturbance of small oil sump, the oil spitting amount of screw compressor 1000 is significantly reduced, improve the efficiency of screw compressor 1000.
According to other compositions and operation principle of the screw compressor 1000 of the utility model embodiment for this area
All it is known for those of ordinary skill, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present utility model.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
1. a kind of lower bearing bracket component for screw compressor, the screw compressor includes bent axle and lower bearing, and its feature exists
In the lower bearing bracket component includes：
Lower bearing bracket, the lower bearing bracket is interior to be provided with pilot hole, and the lower bearing is suitable to be located in the pilot hole, under the bent axle
End is adapted to pass through the lower bearing and is assemblied in the pilot hole；With
Elastic deformation portion, the elastic deformation portion are located on the lower bearing bracket, and the elastic deformation portion is formed as annular, the bullet
Property variant part inwall be suitable to be connected with the periphery wall of the lower bearing, the elastic deformation portion is configured to the bent axle direction
When the elastic deformation portion tilts, the elastic deformation portion elastic deformation occurs.
2. the lower bearing bracket component according to claim 1 for screw compressor, it is characterised in that the lower bearing bracket it is upper
End face is provided with annular groove, and the elastic deformation portion is limited between the annular groove and the pilot hole.
3. the lower bearing bracket component according to claim 1 for screw compressor, it is characterised in that the elastic deformation portion
Be formed as the annular projection upwardly extended from the upper surface of the lower bearing bracket.
4. the lower bearing bracket component according to claim 3 for screw compressor, it is characterised in that the elastic deformation portion
It is integrally formed with the lower bearing bracket.
5. the lower bearing bracket component according to claim 1 for screw compressor, it is characterised in that in side from bottom to up
Upwards, the thickness in the elastic deformation portion is gradually reduced.
6. the lower bearing bracket component for screw compressor according to any one of claim 1-5, it is characterised in that described
At least a portion of the upper surface in elastic deformation portion tilts extension towards the direction of the central axis close to the pilot hole and formed
Spigot surface.
7. a kind of screw compressor, it is characterised in that including being used for scroll compression according to any one of claim 1-6
The lower bearing bracket component of machine.
8. screw compressor according to claim 7, it is characterised in that the upper surface of the lower bearing becomes with the elasticity
The upper surface in shape portion is concordant.
9. screw compressor according to claim 7, it is characterised in that the height of the lower bearing is H, and the elasticity becomes
The height in shape portion is h, and described H, h meet：0.1H≤h≤0.5H.
10. screw compressor according to claim 7, it is characterised in that further comprise：Oil baffle, the oil baffle
It is connected with the lower bearing bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720804854.4U CN207161333U (en) | 2017-07-03 | 2017-07-03 | Lower bearing bracket component and screw compressor for screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720804854.4U CN207161333U (en) | 2017-07-03 | 2017-07-03 | Lower bearing bracket component and screw compressor for screw compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161333U true CN207161333U (en) | 2018-03-30 |
Family
ID=61710880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720804854.4U Active CN207161333U (en) | 2017-07-03 | 2017-07-03 | Lower bearing bracket component and screw compressor for screw compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191379A (en) * | 2017-07-03 | 2017-09-22 | 广东美的暖通设备有限公司 | Lower bearing bracket component and screw compressor for screw compressor |
-
2017
- 2017-07-03 CN CN201720804854.4U patent/CN207161333U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107191379A (en) * | 2017-07-03 | 2017-09-22 | 广东美的暖通设备有限公司 | Lower bearing bracket component and screw compressor for screw compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181106 Address after: 528300 Shun Feng Shan Industrial Development Zone, Shunde District, Foshan, Guangdong. Patentee after: GUANGDONG MEIZHI COMPRESSOR Co.,Ltd. Address before: 528311 Penglai Road industrial town, Beijiao Town, Shunde District, Foshan, Guangdong Co-patentee before: MIDEA GROUP Co.,Ltd. Patentee before: GD MIDEA HEATING & VENTILATING EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190301 Address after: 528300 No. 21, Gangqian Road, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: GUANGDONG MIDEA ENVIRONMENT TECHNOLOGY Co.,Ltd. Address before: 528300 Shun Feng Shan Industrial Development Zone, Shunde District, Foshan, Guangdong. Patentee before: GUANGDONG MEIZHI COMPRESSOR Co.,Ltd. |