CN205618360U - Compressor and indirect heating equipment - Google Patents
Compressor and indirect heating equipment Download PDFInfo
- Publication number
- CN205618360U CN205618360U CN201620324954.2U CN201620324954U CN205618360U CN 205618360 U CN205618360 U CN 205618360U CN 201620324954 U CN201620324954 U CN 201620324954U CN 205618360 U CN205618360 U CN 205618360U
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- Prior art keywords
- compressor
- slide valve
- assembly
- piston chamber
- rotor
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Abstract
The utility model provides a compressor and indirect heating equipment. The compressor includes: organism, organism have independent setting's rotor cavity and piston chamber each other, the rotor, the rotor setting is in rotor cavity, the guiding valve subassembly, the partly at least of guiding valve subassembly sets up in the piston chamber, and the guiding valve subassembly is kept apart with the piston chamber by rotor cavity with the rotor. The guiding valve subassembly among the prior art, problem that the rotor easily harmd have been solved in this application.
Description
Technical field
This utility model relates to technical field of heat exchange equipment, in particular to a kind of compressor and heat transmission equipment.
Background technology
Existing helical-lobe compressor commonly used capacity regulating guiding valve realizes the control to compressor section load.
As it is shown in figure 1, body includes rotor chamber 11 ' and the piston chamber 12 ' being connected.Wherein, rotor chamber 11 ' is by body and guiding valve
Upper two sections of cambered surfaces composition.Compressor is in running, and guiding valve is affected by gas force, gas and vibration of compressor so that it is
Being in vibrating state, at part load, owing to containment surfaces reduces, situation is even more serious.Now, guiding valve is deposited with rotor tooth top
In contact hidden danger, and then cause rotor and guiding valve scratch.
It addition, compressor is when capacity regulating, guiding valve moves back and forth in piston chamber 12 ', guiding valve great circle cambered surface and piston chamber 12 '
It is also easy to that scratch occurs.
Utility model content
Main purpose of the present utility model is to provide a kind of compressor and heat transmission equipment, with solve slide valve assembly of the prior art,
The problem of rotor easy damaged.
To achieve these goals, according to an aspect of the present utility model, it is provided that a kind of compressor, including: body, machine
Body has rotor chamber and the piston chamber of setting independently of one another；Rotor, rotor is arranged in rotor chamber；Slide valve assembly, slide valve assembly
Be at least partially disposed in piston chamber, slide valve assembly is kept apart with piston chamber by rotor chamber with rotor.
Further, compressor also includes that the first support ring assembly, the first support ring assembly are set on the outer peripheral face of slide valve assembly
And be supported on all the time between the inner surface of piston chamber and slide valve assembly.
Further, the outer peripheral face of the first support ring assembly offering first annular holding tank, the first support ring assembly is arranged on
At first annular holding tank and protrude from first annular holding tank notch arrange.
Further, first annular holding tank is multiple, and multiple first annular holding tanks are arranged along the axially spaced-apart of slide valve assembly,
First support ring assembly is multiple, and multiple first annular holding tanks are arranged with multiple first support ring assembly one_to_one corresponding.
Further, slide valve assembly includes guiding valve and the slide valve lever being connected, guiding valve remain at least partially within piston chamber, sliding
Valve rod at least some of protruding by piston chamber, first annular holding tank is arranged on the outer peripheral face of guiding valve.
Further, the first support ring assembly includes: the first ring-type circle body being set on slide valve assembly, the first ring-type circle body
Section is O shape；Being set in the second ring-type circle body in the outside of the first ring-type circle body, the section of the second ring-type circle body is square.
Further, compressor also includes support bar, in support bar is arranged on piston chamber and is slidably connected with slide valve assembly.
Further, slide valve assembly have along slide valve assembly axially offer dodge hole, the first end of support bar and piston chamber
Bottom connects, and the second end of support bar stretches in dodging hole and is slidably matched with dodging hole.
Further, slide valve assembly includes guiding valve and the slide valve lever being connected, guiding valve remain at least partially within piston chamber, sliding
Valve rod at least some of protruding by piston chamber, dodges hole and is opened on guiding valve and is coaxially disposed with slide valve lever.
Further, compressor also includes that the second support ring assembly, the second support ring assembly are set in outside the second end of support bar
On side face and it is supported on all the time and dodges between the inner surface in hole and support bar.
Further, the outer peripheral face of the second support ring assembly offering the second annular receiving groove, the second support ring assembly is arranged on
At second annular receiving groove and protrude from the second annular receiving groove notch arrange.
Further, the second support ring assembly includes: the 3rd ring-type circle body being set on slide valve assembly, the 3rd ring-type circle body
Section is O shape；Being set in the fourth annular circle body in the outside of the 3rd ring-type circle body, the section of fourth annular circle body is square.
Further, the first end of support bar has necking segment, and necking segment is fixed on the bottom of piston chamber.
Further, the bottom of piston chamber is provided with fixed block, and the first end of support bar is connected with fixed block.
According to another aspect of the present utility model, it is provided that a kind of heat transmission equipment, including compressor, compressor is above-mentioned compression
Machine.
Application the technical solution of the utility model, body has rotor chamber and the piston chamber of setting independently of one another, and rotor is arranged on and turns
Sub-intracavity, being at least partially disposed in piston chamber of slide valve assembly, slide valve assembly is kept apart with piston chamber by rotor chamber with rotor.
By rotor chamber and piston chamber are arranged independently of one another, to avoid slide valve assembly operationally to produce scratch with rotor, effectively extend
In the service life of the two, reduce fault rate and the maintenance rate of compressor, thus improve the operational reliability of compressor and steady
Qualitative.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing being further appreciated by of the present utility model, of the present utility model
Schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the body of compressor of the prior art；
Fig. 2 shows the structural representation of the body of the compressor according to an alternative embodiment of the present utility model；
Fig. 3 shows the internal structure schematic diagram of the compressor of the body having in Fig. 1；
Fig. 4 shows partial enlarged drawing at the A of Fig. 3；
Fig. 5 shows the slide valve assembly in Fig. 3 and the assembly relation schematic diagram of the first support ring assembly；
Fig. 6 shows the support bar in Fig. 3 and the assembly relation schematic diagram of the second support ring assembly.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, body；11, rotor chamber；111, male rotor chamber；112, female rotor chamber；12, piston chamber；13, radially air vent；
20, slide valve assembly；21, guiding valve；22, slide valve lever；23, hole is dodged；30, the first support ring assembly；31, first is ring-type
Circle body；32, the second ring-type circle body；40, support bar；41, necking segment；50, the second support ring assembly；51, the 3rd is ring-type
Circle body；52, fourth annular circle body；70, fixed block；80, oil piston component.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
It it is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless otherwise finger
Bright, all technology used herein and scientific terminology have and are generally understood that with the application person of an ordinary skill in the technical field
Identical meanings.
In this utility model, in the case of illustrating on the contrary, the noun of locality of use such as " inside and outside " refers to relative to respectively
The profile of parts itself inside and outside, but the above-mentioned noun of locality is not limited to this utility model.
In order to solve slide valve assembly of the prior art, the problem of rotor easy damaged, this utility model provide a kind of compressor and
There is the heat transmission equipment of this compressor.
As shown in Figures 2 to 6, compressor includes body 10, rotor and slide valve assembly 20, and body 10 has and sets independently of one another
The rotor chamber 11 put and piston chamber 12, rotor is arranged in rotor chamber 11, slide valve assembly 20 be at least partially disposed in guiding valve
In chamber 12, slide valve assembly 20 is kept apart with piston chamber 12 by rotor chamber 11 with rotor.
By rotor chamber 11 and piston chamber 12 are arranged independently of one another, wipe to avoid slide valve assembly 20 operationally to produce with rotor
Wound, effectively extends the service life of the two, reduces fault rate and the maintenance rate of compressor, thus improve the fortune of compressor
Row reliability and stability.
It is to say, rotor rotates in rotor chamber 11, and slide valve assembly moves in piston chamber 12, and both do not exist contact
May.
As in figure 2 it is shown, piston chamber 12 is a cross section is circular chamber, and do not intersect with rotor chamber 11.Therefore, in fortune
During row, there is not the probability contacted between slide valve assembly 20 and rotor, thus avoid scratch.
Alternatively, the radial direction air vent 13 of compressor directly casts from body.
Specifically, rotor chamber 11 includes male rotor chamber 111 and female rotor chamber 112；Rotor includes male rotor and female rotor, sun
Rotor is arranged in male rotor chamber 111, and female rotor is arranged in female rotor chamber 112.But whether male rotor or female rotor are at this
The embodiment of utility model does not all contact with the slide valve assembly 20 in piston chamber 12.
As shown in Figures 3 to 5, compressor also includes that the first support ring assembly 30, the first support ring assembly 30 are set in guiding valve group
On the outer peripheral face of part 20 and be supported on all the time between the inner surface of piston chamber 12 and slide valve assembly 20.By arranging the first support ring
Assembly 30, so that slide valve assembly 20 does not contacts with piston chamber 12 in motor process, thus avoids scratch.
Specifically, the outer peripheral face of the first support ring assembly 30 offers first annular holding tank, the first support ring assembly 30
The notch being arranged at first annular holding tank and protruding from first annular holding tank is arranged.By arranging first annular holding tank,
Be conducive to improving location and the installation reliability of the first support ring assembly 30, it is to avoid the first support ring assembly 30 is with slide valve assembly 20
Motion and sliding, and the first support ring assembly 30 that the notch protruding from first annular holding tank is arranged ensure that effectively support
Between slide valve assembly 20 and piston chamber 12, the two is avoided to abrade further.
In the detailed description of the invention shown in Fig. 3 to Fig. 5, first annular holding tank is multiple, multiple first annular holding tank edges
The axially spaced-apart of slide valve assembly 20 is arranged, and the first support ring assembly 30 is multiple, multiple first annular holding tanks and multiple first
Support ring assembly 30 one_to_one corresponding is arranged.By arranging multiple first support ring assembly 30, to form multiple protective, increase by first
The contact area of support ring assembly 30 and piston chamber 12 and contact point, form multi-point support, be prevented effectively from slide valve assembly 20 in fortune
Contact with piston chamber 12 during Dong, improve the motion credibility of slide valve assembly 20.
Specifically, first annular holding tank is two.It is, of course, also possible to according to actual needs, first annular holding tank is increased
Number.
As it is shown on figure 3, slide valve assembly 20 includes guiding valve 21 and the slide valve lever 22 being connected, remaining at least partially within of guiding valve 21
In piston chamber 12, slide valve lever 22 at least some of protruding by piston chamber 12, first annular holding tank is arranged on guiding valve 21
Outer peripheral face on.Wherein, the cylindrical structure of guiding valve 21.In the detailed description of the invention shown in Fig. 3, though slide valve lever 22
Extending outward maximum position, the first support ring assembly 30 in first annular holding tank the most still contacts with piston chamber 12, so,
Playing a supporting role of big degree.
It should be noted that the external diameter of guiding valve 21 is slightly less than the internal diameter of piston chamber.This makes, and guiding valve 21 is not directly and piston chamber
12 contacts, thus it is prevented effectively from the two contact scratch.
In the detailed description of the invention shown in Fig. 4, the first support ring assembly 30 includes the first ring being set on slide valve assembly 20
Shape circle body 31 and be set in the second ring-type circle body 32 in outside of the first ring-type circle body 31, the section of the first ring-type circle body 31 in
O shape, the section of the second ring-type circle body 32 is square.Second ring-type circle body 32 of said structure ensure that and piston chamber 12
Face contacts, and is conducive to supporting and guide effect；And support the first ring-type circle body 31 of the second ring-type circle body 32 owing to being O,
Having certain elasticity, therefore, guiding valve 21 is in running, and the first support ring assembly 30 has oneself's adjustment capability well,
It is further ensured that guiding valve 21 will not contact scratch with piston chamber 12.It is to say, coordinated with O by square ring, can
Ensureing to support and guide effect, the deformation that may utilize again O realizes oneself's adjustment in running.
As shown in Figure 3 and Figure 6, compressor also include support bar 40, support bar 40 be arranged on piston chamber 12 in and with guiding valve group
Part 20 is slidably connected.By increase support bar 40 so that support bar 40 motion of slide valve assembly 20 is played guidings, support
Effect, thus be prevented effectively from slide valve assembly 20 and contact scratch with piston chamber 12.
In the detailed description of the invention shown in Fig. 5, slide valve assembly 20 have along slide valve assembly 20 axially offer dodge hole 23,
First end of support bar 40 is connected with the bottom of piston chamber 12, the second end of support bar 40 stretch in dodging hole 23 and with dodge
Hole 23 is slidably matched.Dodge hole 23 by setting, not only contribute to the guide effect realizing support bar 40 to slide valve assembly 20,
Also it is effectively utilized the miniaturization of the inner space of slide valve assembly 20, beneficially body.
Specifically, dodge hole 23 to be opened on guiding valve 21 and be coaxially disposed with slide valve lever 22.So, support bar 40 is with sliding
Valve rod 22 is also coaxially disposed, then the support force that support bar 40 provides has that active force is homogeneous, the advantage of good stability.
In the detailed description of the invention shown in Fig. 3, Fig. 4 and Fig. 6, compressor also includes the second support ring assembly 50, second
On the outer peripheral face of the second end that pushing out ring assembly 50 is set in support bar 40 and it is supported on inner surface and the support bar dodging hole 23 all the time
Between 40.By arranging the second support ring assembly 50, slide valve assembly 20 can be reduced in motor process and between support bar 40
Frictionally damage.
Alternatively, the outer peripheral face of the second support ring assembly 50 offering the second annular receiving groove, the second support ring assembly 50 sets
The notch putting at the second annular receiving groove and protruding from the second annular receiving groove is arranged.By arranging the second annular receiving groove, have
It is beneficial to improve location and the installation reliability of the second support ring assembly 50, it is to avoid the second support ring assembly 50 is with slide valve assembly 20
Move and sliding, and the second support ring assembly 50 that the notch protruding from the second annular receiving groove is arranged ensure that and is effectively supported at
Support bar 40 and dodge between hole 23, avoids the two to abrade further.
As shown in Figure 4, the second support ring assembly 50 includes being set on slide valve assembly 20 the 3rd ring-type circle body 51 and sheathed
At the fourth annular circle body 52 in the outside of the 3rd ring-type circle body 51, the section of the 3rd ring-type circle body 51 is O shape, fourth annular circle
The section of body 52 is square.The fourth annular circle body 52 of said structure ensure that and dodge hole 23 plane-plane contact, is conducive to propping up
Support and guide effect；And support the 3rd ring-type circle body 51 of fourth annular circle body 52 owing to being O, there is certain elasticity,
Therefore, guiding valve 21 is in running, and the second support ring assembly 50 has oneself's adjustment capability well, is further ensured that and props up
Strut 40 will not contact scratch with dodging hole 23.It is to say, coordinated with O by square ring, i.e. can guarantee that support and
Guide effect, the deformation that may utilize again O realizes oneself's adjustment in running.
As shown in Figure 6, the first end of support bar 40 has necking segment 41, and necking segment 41 is fixed on the bottom of piston chamber 12.This
The support bar 40 of spline structure, is conducive to being fixed in piston chamber 12, and is easily formed limit stops end at the variable cross-section of necking segment 41
Face, is conducive to improving the reliability of positioning of support bar 40.
In the detailed description of the invention shown in Fig. 2, the bottom of piston chamber 12 is provided with fixed block 70, the first end of support bar 40
It is connected with fixed block 70.So, support bar 40 can be fixed by fixed block 70, not only ensures that support bar 40 can
There is provided for slide valve assembly 20 and reliably support, also effectively reduce the assembly complexity of support bar 40, improve efficiency of assembling.
In the detailed description of the invention shown in Fig. 3, slide valve lever 22 connects guiding valve 21 and oil piston component 80, is used for controlling compression
The load of machine.When compressor needs to load, open and promote oil piston component 80 together with guiding valve 21 for solenoid fuel feeding
Being moved to the left, now rotor is effectively compressed length and is gradually increased, until air-breathing by-pass port is closed, rotor is effectively compressed length to
Greatly, i.e. compressor reaches at full capacity 100%；When compressor needs unloading, open and unload solenoid emptying, simultaneously oil piston set
Part 80 left gas promotes oil piston component 80 to move right together with guiding valve 21, until rotor is effectively compressed a length of overall length
When 25%, i.e. compressor minimizes load 25%.
The (not shown) when compressor is in oepration at full load, now, guiding valve 21 is completely in piston chamber 12, and first supports
Ring assemblies 30 keeps contacting with piston chamber 12 by self regulation, and guiding valve 21 does not contacts with piston chamber 12, can avoid wiping
Wound.
When compressor is in minimum load operation, its schematic diagram is as shown in Figure 3.Now, guiding valve 21 is mostly in exhaust end
Outside face, the containment surfaces of guiding valve 21 reduces, and stress is the most unstable.But owing to twice the first support ring assembly 30 is in piston chamber
In 12, acting in conjunction with support bar 40, guiding valve 21 does not contacts with piston chamber 12, also can avoid scratch.
It can thus be appreciated that find out, no matter which kind of load condition compressor is under, the first support ring assembly 30, second all can be passed through
Pushing out ring assembly 50 and support bar 40 make not exist between guiding valve 21 with piston chamber 12 to contact, to reach to avoid abrasive purpose.
As can be seen from the above description, this utility model the above embodiments achieve following technique effect:
1, piston chamber 12 designs with rotor chamber 11 absolute construction, it is to avoid rotor abrades with guiding valve 21；
2, support bar 40 is increased, it is to avoid guiding valve 21 abrades with piston chamber 12.
It should be noted that term used herein above merely to describe detailed description of the invention, and be not intended to restricted root according to this Shen
Illustrative embodiments please.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to
Including plural form, additionally, it should be understood that, when using term " to comprise " in this manual and/or time " including ", its
Indicate existing characteristics, step, work, device, assembly and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, " second " etc.
It is for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that the data of so use
Can exchange in the appropriate case, in order to presently filed embodiment described herein can be with except here illustrating or describing
Order beyond those is implemented.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this area
For technical staff, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, institute
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (15)
1. a compressor, it is characterised in that including:
Body (10), described body (10) has rotor chamber (11) and the piston chamber (12) of setting independently of one another；
Rotor, described rotor is arranged in described rotor chamber (11)；
Slide valve assembly (20), being at least partially disposed in described piston chamber (12) of described slide valve assembly (20), institute
State slide valve assembly (20) to be kept apart with described piston chamber (12) by described rotor chamber (11) with described rotor.
Compressor the most according to claim 1, it is characterised in that described compressor also includes the first support ring assembly (30),
Described first support ring assembly (30) is set on the outer peripheral face of described slide valve assembly (20) and is supported on described cunning all the time
Between inner surface and the described slide valve assembly (20) of valve pocket (12).
Compressor the most according to claim 2, it is characterised in that open on the outer peripheral face of described first support ring assembly (30)
Being provided with first annular holding tank, described first support ring assembly (30) is arranged at described first annular holding tank and highlights
Notch in described first annular holding tank is arranged.
Compressor the most according to claim 3, it is characterised in that described first annular holding tank is multiple, multiple described
One annular receiving groove is arranged along the axially spaced-apart of described slide valve assembly (20), and described first support ring assembly (30) is many
Individual, multiple described first annular holding tanks are arranged with multiple described first support ring assembly (30) one_to_one corresponding.
Compressor the most according to claim 3, it is characterised in that described slide valve assembly (20) includes the guiding valve (21) being connected
With slide valve lever (22), described guiding valve (21) remain at least partially within described piston chamber (12) in, described slide valve lever (22)
At least some of protruding by described piston chamber (12), described first annular holding tank is arranged on described guiding valve (21)
Outer peripheral face on.
Compressor the most according to claim 2, it is characterised in that described first support ring assembly (30) including:
The the first ring-type circle body (31) being set on described slide valve assembly (20), breaking of described first ring-type circle body (31)
Face is O shape；
It is set in the second ring-type circle body (32) in the outside of described first ring-type circle body (31), described second ring-type circle body (32)
Section be square.
Compressor the most according to any one of claim 1 to 6, it is characterised in that described compressor also includes support bar (40),
In described support bar (40) is arranged on described piston chamber (12) and it is slidably connected with described slide valve assembly (20).
Compressor the most according to claim 7, it is characterised in that described slide valve assembly (20) has along described slide valve assembly
(20) the end dodging hole (23), the first end of described support bar (40) and described piston chamber (12) axially offered
Portion connects, the second end of described support bar (40) stretch into described in dodge in hole (23) and with described to dodge hole (23) sliding
Dynamic cooperation.
Compressor the most according to claim 8, it is characterised in that described slide valve assembly (20) includes the guiding valve (21) being connected
With slide valve lever (22), described guiding valve (21) remain at least partially within described piston chamber (12) in, described slide valve lever (22)
At least some of protruding by described piston chamber (12), described in dodge hole (23) and be opened in described guiding valve (21)
Above and it is coaxially disposed with described slide valve lever (22).
Compressor the most according to claim 8, it is characterised in that described compressor also includes the second support ring assembly (50),
On the outer peripheral face of the second end that described second support ring assembly (50) is set in described support bar (40) and it is supported on all the time
Between the described inner surface dodging hole (23) and described support bar (40).
11. compressors according to claim 10, it is characterised in that open on the outer peripheral face of described second support ring assembly (50)
Being provided with the second annular receiving groove, described second support ring assembly (50) is arranged at described second annular receiving groove and highlights
Notch in described second annular receiving groove is arranged.
12. compressors according to claim 11, it is characterised in that described second support ring assembly (50) including:
The 3rd ring-type circle body (51) being set on described slide valve assembly (20), breaking of described 3rd ring-type circle body (51)
Face is O shape；
It is set in the fourth annular circle body (52) in the outside of described 3rd ring-type circle body (51), described fourth annular circle body (52)
Section be square.
13. compressors according to claim 7, it is characterised in that the first end of described support bar (40) has necking segment (41),
Described necking segment (41) is fixed on the bottom of described piston chamber (12).
14. compressors according to claim 7, it is characterised in that the bottom of described piston chamber (12) is provided with fixed block (70),
First end of described support bar (40) is connected with described fixed block (70).
15. 1 kinds of heat transmission equipments, including compressor, it is characterised in that described compressor is according to any one of claim 1 to 14
Compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620324954.2U CN205618360U (en) | 2016-04-15 | 2016-04-15 | Compressor and indirect heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620324954.2U CN205618360U (en) | 2016-04-15 | 2016-04-15 | Compressor and indirect heating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618360U true CN205618360U (en) | 2016-10-05 |
Family
ID=57030805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620324954.2U Expired - Fee Related CN205618360U (en) | 2016-04-15 | 2016-04-15 | Compressor and indirect heating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805009A (en) * | 2016-04-15 | 2016-07-27 | 珠海格力电器股份有限公司 | Compressor and heat exchange device |
-
2016
- 2016-04-15 CN CN201620324954.2U patent/CN205618360U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805009A (en) * | 2016-04-15 | 2016-07-27 | 珠海格力电器股份有限公司 | Compressor and heat exchange device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 |