CN205977691U - Rotary compressor and have its air conditioning system - Google Patents
Rotary compressor and have its air conditioning system Download PDFInfo
- Publication number
- CN205977691U CN205977691U CN201620756173.0U CN201620756173U CN205977691U CN 205977691 U CN205977691 U CN 205977691U CN 201620756173 U CN201620756173 U CN 201620756173U CN 205977691 U CN205977691 U CN 205977691U
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- cylinder
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- heat dam
- guiding groove
- rotary compressor
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Abstract
The utility model provides a rotary compressor and have its air conditioning system, the compressor includes cylinder (1), goes up flange (2) and lower flange (3), wherein is in set up at least one heat dam (4) that are used for going on insulating against heat to cylinder inside and outside portion on cylinder (1), just heat dam (4) through communicate to oil and gas separator's (5) oil return end (51) with let in by the lubricating oil that isolated oil and gas separator (5). Through the utility model discloses a communicate the heat dam to the structural style of oil and gas separator's oil return end, can let in the low -temperature lubrication oil of oil and gas separator oil return end the heat dam, reduced the heat transfer loss of compressor effectively to compressor pump's efficiency, the performance of improvement compressor have still been improved.
Description
Technical field
The utility model belongs to Compressor Technology field and in particular to a kind of rotary compressor and the air-conditioning system with it
System.
Background technology
The pump housing group of rotary compressor of the prior art is typically by bent axle 101, upper flange 102, cylinder 103, lower flange
104th, the major part such as roller 105, slide plate 106 composition (as shown in Figure 1-2), the selenodont that cylinder inner circle and roller outer diameter surround
Chamber is the compression work chamber of the pump housing, when compression work cavity wall face is metal solid, because metal heat-conducting is good, makes the cylinder external world
The heat of high-temperature gas is delivered to cylinder working chamber by cylinder wall surface, and then makes in working chamber that when gases are heated, they expand and produce many
Remaining work done during compression (heat transfer loss), ultimately results in pump housing efficiency and declines, compressor performance is decayed.In order to improve the problems referred to above patent
Number disclose a kind of cylinder with heat-insulation chamber and rotary compressor for 201420591254.0 patent, on cylinder design every
Hot chamber connects with oil sump so that lubricating oil in oil sump and circulating between oil sump and heat-insulation chamber, with respect to common metal material
Material, lubricating oil thermal conductivity factor is low, can be effectively isolated the heat transfer loss of compression chamber and high ambient temperature, improves compressor efficiency.But
This design is the high temperature grease in compressor oil sump to the lubricating oil of drainage in heat dam, due to the lubricating oil in oil sump
With respect to delivery temperature difference less, the heat of the extraneous high-temperature gas of cylinder still can be delivered to cylinder by cylinder wall surface to temperature
Working chamber, and then make in working chamber that when gases are heated, they expand produces unnecessary work done during compression (heat transfer loss), ultimately result in pump housing effect
Rate declines, and compressor performance is decayed, and therefore this high temperature grease still will not substantially weaken the heat transfer loss in compression chamber so that pressing
Heat transfer loss in contracting chamber is still larger.
Cylinder working chamber can be transferred to due to the heat of rotary compressor cylinder external high temperature gas of the prior art and
Lead to produce heat transfer loss, make the technical problems such as the decline of pump housing efficiency, compressor performance decay, therefore the utility model research
Design a kind of rotary compressor and the air-conditioning system with it.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome rotary compressor of the prior art effective
Reduce the defect of heat transfer loss, thus providing a kind of rotary compressor and the air-conditioning system with it.
The utility model provides a kind of rotary compressor, and it includes cylinder, upper flange and lower flange, wherein in described cylinder
On offer at least one for inside and outside portion is thermally shielded to cylinder heat dam, and described heat dam is by being communicated to oil gas
The oil revolving end of separator is to be passed through the lubricating oil isolated by described gs-oil separator.
Preferably, described cylinder is additionally provided with lubricating oil guiding groove to be directed into lubricating oil in described heat dam.
Preferably, on the cross section perpendicular with described cylinder-bore axis, described lubricating oil guiding groove is around axis
One section of circular arc, and it is located at the radial outside of described heat-insulated groove location, the radially inner side of described cylinder outer wall on cylinder.
Preferably, described upper flange and/or described lower flange are additionally provided with and are connected with described lubricating oil guiding groove
Lubricating oil circulation passage；Described lubricating oil circulation passage is connected by fuel sucking pipe to the described oil return of described gs-oil separator
End.
Preferably, the back pressure guiding groove being connected with described heat dam is additionally provided with described cylinder, described back pressure is drawn
Guide groove is introduced into pressure to described heat dam.
Preferably, described heat dam is connected by described back pressure guiding groove with the air entry of described cylinder.
Preferably, on the cross section perpendicular with described cylinder-bore axis, described back pressure guiding groove is around the one of axis
Section circular arc, and it is located at the radially inner side of described heat-insulated groove location, the radial outside of the working chamber of described cylinder on cylinder.
Preferably, described back pressure guiding groove is 0.25mm along the area of section being axially formed of described cylinder2-1mm2.
Preferably, when having lubricating oil guiding groove and back pressure guiding groove simultaneously, described heat dam is multiple, multiple described
It is connected with described back pressure guiding groove by described lubricating oil guiding groove between heat dam.
Preferably, described heat dam is also connected with the air entry of the working chamber of described cylinder.
The utility model also provides a kind of air-conditioning system, and it includes aforesaid rotary compressor, also includes and described compression
The described gs-oil separator that machine is connected.
A kind of rotary compressor that the utility model provides and there is its air-conditioning system have the advantages that：
1., by rotary compressor of the present utility model and the air-conditioning system with it, it is communicated to oil gas using by heat dam
The version of the oil revolving end of separator, the subzero oil of gs-oil separator oil revolving end can be passed through in heat dam, effectively
Reduce the heat transfer loss of compressor, and also improve the efficiency of compressor pump, improve the performance of compressor；
2. by rotary compressor of the present utility model and the air-conditioning system with it, using lubricating oil is arranged on cylinder
Guiding groove and on upper flange and/or lower flange setting inlet port and lubricating oil opening mode, enable to cylinder every
Heat channel is connected via flange by above-mentioned path to the oil sump of knockout bottom, and the circulation being effectively formed subzero oil is led to
Road；
3. by rotary compressor of the present utility model and the air-conditioning system with it, using setting on cylinder with heat-insulated
The back pressure guiding groove of groove connection, the low pressure that can introduce low pressure especially into compresser cylinder air entry is extremely heat-insulated
Groove, can be promoted by low pressure and ensure subzero oil flow in heat dam it is ensured that subzero oil flow into dynamic
Power, prevents high-temperature high-pressure refrigerant from entering and having a negative impact；
4. by rotary compressor of the present utility model and the air-conditioning system with it, using by heat dam also with cylinder
The mode that the air entry of working chamber is connected, can be by the friction pair in the oil lubrication working chamber after the completion of heat-blocking action
And between leakage-gap produce oil film seal effect, improve cylinder in lubricant effect, reduce leakage loss.
Brief description
Fig. 1 be the rotary compressor pump housing of the prior art structural representation；
Fig. 2 is the structural representation of gs-oil separator of the prior art；
Fig. 3 be the rotary compressor pump housing of the present utility model structural representation；
Fig. 4 is the structural representation of the cylinder in Fig. 3, wherein：
4 (a) is the front perspective view of cylinder, and 4 (b) is the top view of 4 (a), and 4 (c) is that the back side of cylinder is stood
Body structural representation, 4 (d) is the top view of 4 (c)；
Fig. 5 is the structural representation of the lower flange in Fig. 3；
Fig. 6 is the structural representation of gs-oil separator of the present utility model.
In figure reference is expressed as：
101 bent axles, 102 upper flanges, 103 cylinders, 104 lower flanges, 105 rollers, 106 slide plates, 107
Gs-oil separator entrance, 108 gs-oil separators, 109 gs-oil separator outlets, 110 spill ports；
1 cylinder, 11 air entries, 2 upper flanges, 3 lower flanges, 4 heat dams, 5 gs-oil separators, 51 times
Oily end, 52 gs-oil separator entrances, 53 gs-oil separator outlets, 6 lubricating oil guiding grooves, 7 inlet ports, 8 lubrications
Oily circulation passage, 9 fuel sucking pipes, 10 back pressure guiding grooves.
Specific embodiment
As seen in figures 3-6, the utility model provides a kind of rotary compressor, and it includes cylinder 1, upper flange 2 and lower flange
3, wherein offer on described cylinder 1 at least one for inside and outside portion is thermally shielded to cylinder heat dam 4 (i.e. described every
Heat channel 4 is formed on the body construction of cylinder between the inner and outer wall of described cylinder 1), and described heat dam 4 passes through connection
To gs-oil separator 5 oil revolving end 51 to be passed through the subzero oil isolated by described gs-oil separator 5, wherein said oil gas
Separator 5 connects air entry or exhaust outlet to described compressor.
By rotary compressor of the present utility model, using the structure of the oil revolving end that heat dam is communicated to gs-oil separator
Form, the subzero oil of gs-oil separator oil revolving end can be passed through in heat dam, significantly reduce the heat transfer of compressor
Loss, and also improve the efficiency of compressor pump, improve the performance of compressor.Cylinder engine heat dam, the lubrication of injection
Oily thermal conductivity factor is generally 0.15-0.3W/mk, and opposing metallic heat transfer coefficient 80w/mk has obvious insulation effect, can suppress
Refrigerant temperature rise and expansion in suction muffler, improving the inspiratory capacity of suction muffler, thus improve the volumetric efficiency of rotary compressor, carrying
Rise the performance of rotary compressor.The subzero oil that source of lubrication in cylinder heat dam and knockout are isolated, due to
Lubricating oil temperature is less than the temperature in working chamber, can effectively reduce the heat transfer loss in working chamber and compression case body.
Preferably, described cylinder 1 is additionally provided with lubricating oil guiding groove 6 so that subzero oil is directed into described heat dam
In 4.So can effectively realize purpose subzero oil being directed in heat dam.
Preferably, with the cross section of described cylinder 1 axis perpendicular on, described lubricating oil guiding groove 6 becomes around axis
Loop configuration in one section, and be located at the radial outside of described heat dam 4 position, the radial direction of described cylinder 1 outer wall on cylinder
Inner side (but it is not limited to this set position, for example can also be arranged on the radially inner side of heat dam, the radial direction of cylinder working chamber
Outside etc.).This is preferable shape and the setting form of lubricating oil guiding groove of the present utility model, so can be effectively to cincture
Multiple grooves of the working chamber setting of described cylinder realize the function of Oil Guide simultaneously, and lubricating oil guiding groove is arranged at heat dam 4
Radial outside, the radially inner side of cylinder 1 outer wall be able to effectively to reduce setting path, prevent simultaneously oil without every
Heat channel and be directly entered in working chamber, do not have heat-insulated effect.
Preferably, described upper flange 2 and/or described lower flange 3 are additionally provided with and connect with described lubricating oil guiding groove 6
Logical inlet port 7, and the lubricating oil circulation passage 8 being connected with this inlet port 7；Described lubricating oil circulation passage 8 passes through to inhale
Oil pipe 9 connects to the described oil revolving end 51 of described gs-oil separator 5.Using in setting oil suction on upper flange and/or lower flange
Mouth and the mode (the utility model is preferably provided on lower flange) of lubricating oil opening, enable to cylinder heat dam by upper
State path to connect via flange to the oil sump of knockout bottom, be effectively formed the circulation canal of subzero oil.
Preferably, the back pressure guiding groove 10 being connected with described heat dam 4, the described back of the body are additionally provided with described cylinder 1
Pressure guiding groove 10 is introduced into low pressure to described heat dam 4.By rotary compressor of the present utility model, using on cylinder
The back pressure guiding groove being connected with heat dam is set, the low pressure especially into compresser cylinder air entry for the low pressure can be introduced
Pressure, to heat dam, can promote by low pressure and ensure that subzero oil flows in heat dam it is ensured that low-temperature lubrication
The power that oil flows into, prevents high-temperature high-pressure refrigerant from entering and having a negative impact.
Preferably, described heat dam 4 is connected by described back pressure guiding groove 10 with the air entry 11 of described cylinder 1.This is
The utility model introduce low pressure to heat dam preferred embodiment, by the air entry of cylinder by back pressure guiding groove be communicated to every
In heat channel, the low pressure at cylinder air entry can be effectively utilized, promote by low pressure and ensure that subzero oil is suitable
Flow in heat dam it is ensured that the power of subzero oil inflow sharply, prevent high-temperature high-pressure refrigerant from entering and produce negative
Face rings.
Preferably, with the cross section of described cylinder 1 axis perpendicular on, described back pressure guiding groove 10 becomes around axis
In loop configuration one section, and the radially inner side of its described heat dam 4 position on cylinder, the working chamber of described cylinder 1
Radial outside (but it is not limited to this set position, for example can also be arranged on the radial outside of heat dam, the footpath of cylinder outer wall
To inner side etc.).This is preferable shape and the setting form of back pressure guiding groove of the present utility model, so can be effectively to cincture
Multiple grooves of the working chamber setting of described cylinder realize the function of pilot simultaneously, and back pressure guiding groove is arranged at heat dam 4
Radially inner side, the radial outside of cylinder working chamber are able to effectively reduce setting path, prevent the back pressure introducing simultaneously
Leak out outside cylinder, form energy loss.
Preferably, described back pressure guiding groove 10 is 0.25mm along the area of section being axially formed of described cylinder2-1mm2.Will
The cross-sectional area of back pressure guiding groove is set to 0.25mm2-1mm2In the range of can be beneficial to the control to flow of lubrication,
In order to only control the oil in gas-liquid separator to flow into heat dam and prevent cold-producing medium from flowing into heat dam, excessive Cross section Design may
The leakage that gases at high pressure can be led to is (when the oil mass flow velocity flowing into air entry divides speed oil can lead in knockout higher than knockout
Low-temperature refrigerant flows into air entry by heat dam, and then leads to the low-temperature refrigerant that this part imports to produce heat loss.).
Preferably, when having lubricating oil guiding groove 6 and back pressure guiding groove 10 simultaneously, described heat dam 4 is multiple, multiple
It is connected by described lubricating oil guiding groove 6 and/or described back pressure guiding groove 10 between described heat dam 4.By above-mentioned knot
Configuration formula and set-up mode, effectively by lubricating oil guiding groove, lubricating oil can be guided in multiple heat dams and pass through
Back pressure guiding groove guides low pressure to multiple heat dams, thus completing the work of pilot to multiple heat dams and water conservancy diversion
With, the purpose being thermally shielded by the lubricating oil in heat dam can be reached.
Preferably, described heat dam 4 is also connected with the air entry 11 of the working chamber of described cylinder 1 and (is guided by back pressure
Groove 10).With the mode that heat dam is also connected with the working chamber of cylinder, can be glossy by the lubrication after the completion of heat-blocking action
Slide the friction pair in working chamber and produce the effect of oil film seal between leakage-gap, improve the lubricant effect in cylinder, reduce
Leakage loss.
Preferably, described heat dam 4 is the groove of the axis direction insertion along described cylinder 1.This is the preferred of heat dam
Set-up mode, can play heat-insulated effect more well.
Preferably, the cross sectional shape of the vertical plane along described cylinder 1 axis for the described heat dam 4 is circular, oval, waist
Ring shape.This is the preferable shape of heat dam.
The utility model also provides a kind of air-conditioning system, and it includes aforesaid rotary compressor, also includes and described compression
The described gs-oil separator 5 that machine is connected.By including aforesaid rotary compressor, it is communicated to Oil-gas Separation using by heat dam
The version of the oil revolving end of device, the subzero oil of gs-oil separator oil revolving end can be passed through in heat dam, effectively drop
The low heat transfer loss of compressor, and also improve the efficiency of compressor pump, improve the performance of compressor.Cylinder engine every
Heat channel, the lubricating oil thermal conductivity factor of injection is generally 0.15-0.3W/mk, and opposing metallic heat transfer coefficient 80w/mk has significantly exhausted
Thermal effect, can suppress refrigerant temperature rise and expansion in suction muffler, improve the inspiratory capacity of suction muffler, thus improve rotary compression
The volumetric efficiency of machine, improves the performance of rotary compressor.Source of lubrication in cylinder heat dam and knockout are isolated
Subzero oil, because lubricating oil temperature is less than the temperature in working chamber, can effectively reduce in working chamber and compression case body
Heat transfer loss.
Of the present utility model operation principle and preferred embodiment are described below
The utility model passes through to arrange the heat dam being connected with air entry, lower flange, fuel sucking pipe on cylinder, can reduce
Heat transfer loss；Heat dam and the connection of air entry, introduce low back pressure and produce oil suction driving, and under the air-breathing of air entry drives
Guarantee fuel sucking pipe from knockout bottom pumping subzero oil is to heat dam；And it is ultimately inhaled working chamber, in lubrication working chamber
Friction pair and to leakage-gap produce sealing effectiveness；Knockout is not provided with conventional spill port it is ensured that isolating in knockout
Subzero oil is only recycled to compression chamber by heat dam.
Beneficial effect：
Cylinder heat dam introduces subzero oil cooling work chamber, not only reduces heat transfer loss, more improves compression chamber
Efficiency；Cylinder engine heat dam, the lubricating oil thermal conductivity factor of injection is generally 0.15-0.3W/mk, opposing metallic heat transfer coefficient
80w/mk has obvious insulation effect, can suppress refrigerant temperature rise and expansion in suction muffler, improves the inspiratory capacity of suction muffler, thus
Improve the volumetric efficiency of rotary compressor, improve the performance of rotary compressor.
The subzero oil that source of lubrication in cylinder heat dam and knockout are isolated, because lubricating oil temperature is less than work
Make the temperature in chamber, can effectively reduce the heat transfer loss in working chamber and compression case body.
Cylinder heat dam introduces low back pressure, may advantageously facilitate and ensure the circulation of subzero oil；Cylinder heat dam and suction
Gas channel connection, introduces low back pressure, as the power ensureing that lubricating oil flows into；
The cold-producing medium participating in heat dam circulation can flow into air entry, the friction pair in lubrication working chamber in leakage-gap
Between produce oil film seal, reduce leakage loss, improve cylinder in lubricant effect；
Cylinder heat dam is connected with flange entrance, and flange entrance is connected with knockout bottom oil sump by pipeline, is formed low
The circulation canal of gentle lubricating oil；
Cancel knockout spill port it is ensured that the lubricating oil in knockout only flows into air entry by heat dam.
1st, this patent scheme is passed through to open up heat dam 4 on cylinder, and by lubricating oil guiding groove 6, inlet port 7, lubrication
Oily circulation passage 8, the connection effect of fuel sucking pipe 9, make heat dam 4 be connected and import oil with the fuel sucking pipe 51 of gs-oil separator 5
The detached subzero oil of gas separating device, because the temperature of lubricating oil and thermal conductivity factor are extremely low, can effectively reduce compression work
Chamber and the heat transfer loss of pump housing external high temperature environment；
2nd, the heat dam 4 that the utility model scheme adopts is single or multiple through hole combination, according to the practical structures of cylinder
Situation arranges the position of heat dam 4；Pass through back pressure guiding groove 10, lubricating oil guiding groove 6 is interconnected between heat dam 4；
3rd, the back pressure guiding groove 10 of cylinder side is connected with the air entry 11 of cylinder 1, makes heat dam 4 introduce pressure of inspiration(Pi)
(low back pressure), produces the oil suction power of heat dam 4 under the getter action of air entry；The section of heat dam 4 back pressure guiding groove 10
Generally 0.25mm2-1mm2, it is beneficial to the control of oily flow, excessive Cross section Design leads to the leakage of gases at high pressure；
4th, the lubricating oil guiding groove of cylinder opposite side is connected 6 with the lubricating oil circulation passage 8 of lower flange 3, defines suction
Oily passage；
5th, fuel sucking pipe 9, the fuel sucking pipe of fuel sucking pipe 9 and gs-oil separator are installed in lubricating oil circulation passage 8 connection of lower flange 3
9 is a pipe, and gs-oil separator no longer additionally arranges other drainback passages in addition to drainback passage at fuel sucking pipe 9 one it is ensured that oil gas
The subzero oil isolated in separator reliably sucks in cylinder heat dam, it is to avoid be full of in heat dam under the conditions of low oil level
High-temperature gas and improve heat transfer loss；
6th, the shape of heat dam, position are not limited to above-mentioned implementation, can adopt the groove of the other forms such as annular groove
Type replaces；
7th, drive the mode that lubricating oil pumps into be not limited to introduce low pressure at cylinder air entry, other low pressure can be introduced
Gas is as pump oil power source, or adopts oil pump pump oil.
Those skilled in the art is it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in the utility model
Protection domain within.The above is only preferred embodiment of the present utility model it is noted that for the art
For those of ordinary skill, on the premise of without departing from the utility model know-why, some improvement and modification can also be made,
These improve and modification also should be regarded as protection domain of the present utility model.
Claims (11)
1. a kind of rotary compressor it is characterised in that：Including cylinder (1), upper flange (2) and lower flange (3), wherein in described gas
Offer at least one on cylinder (1) for the heat dam (4) that inside and outside portion is thermally shielded to cylinder, and described heat dam (4) passes through
The oil revolving end (51) being communicated to gs-oil separator (5) is to be passed through the lubricating oil isolated by described gs-oil separator (5).
2. rotary compressor according to claim 1 it is characterised in that：It is additionally provided with lubricating oil on described cylinder (1) to draw
Guide groove (6) is to be directed into lubricating oil in described heat dam (4).
3. rotary compressor according to claim 2 it is characterised in that：In the horizontal stroke with described cylinder (1) axis perpendicular
On section, described lubricating oil guiding groove (6) is one section of circular arc around axis, and is located at described heat dam (4) position on cylinder
Radial outside, the radially inner side of described cylinder (1) outer wall.
4. the rotary compressor according to one of claim 2-3 it is characterised in that：In described upper flange (2) and/or described
The lubricating oil circulation passage (8) being connected with described lubricating oil guiding groove (6) is additionally provided with lower flange (3)；Described lubricating oil
Circulation passage (8) is connected by fuel sucking pipe (9) to the described oil revolving end (51) of described gs-oil separator (5).
5. the rotary compressor according to one of claim 1-3 it is characterised in that：Described cylinder (1) is additionally provided with
The back pressure guiding groove (10) being connected with described heat dam (4), described back pressure guiding groove (10) introduces pressure to described heat dam
(4) in.
6. rotary compressor according to claim 5 it is characterised in that：Described back pressure guiding groove (10) is by described heat dam
(4) it is connected with the air entry (11) of described cylinder (1).
7. rotary compressor according to claim 5 it is characterised in that：In the horizontal stroke with described cylinder (1) axis perpendicular
On section, described back pressure guiding groove (10) becomes one section of circular arc around axis, and it is located at described heat dam (4) position on cylinder
Radially inner side, the radial outside of the working chamber of described cylinder (1).
8. rotary compressor according to claim 5 it is characterised in that：Described back pressure guiding groove (10) is along described cylinder
The area of section being axially formed is 0.25mm2-1mm2.
9. rotary compressor according to claim 5 it is characterised in that：There is lubricating oil guiding groove (6) and the back of the body when simultaneously
During pressure guiding groove (10), described heat dam (4) is multiple, passes through described lubricating oil guiding groove between multiple described heat dams (4)
(6) it is connected with described back pressure guiding groove (10).
10. according to claim 1-3, rotary compressor described in one of 6-9 it is characterised in that：Described heat dam (4) also with institute
The air entry (11) stating the working chamber of cylinder (1) is connected.
A kind of 11. air-conditioning systems it is characterised in that：Including the rotary compressor described in one of claim 1-10, also include with
The described gs-oil separator (5) that described compressor is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756173.0U CN205977691U (en) | 2016-07-15 | 2016-07-15 | Rotary compressor and have its air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756173.0U CN205977691U (en) | 2016-07-15 | 2016-07-15 | Rotary compressor and have its air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977691U true CN205977691U (en) | 2017-02-22 |
Family
ID=58025874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620756173.0U Withdrawn - After Issue CN205977691U (en) | 2016-07-15 | 2016-07-15 | Rotary compressor and have its air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205977691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050672A (en) * | 2016-07-15 | 2016-10-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor and air conditioning system with rotary compressor |
-
2016
- 2016-07-15 CN CN201620756173.0U patent/CN205977691U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050672A (en) * | 2016-07-15 | 2016-10-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor and air conditioning system with rotary compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20190129 |
|
| AV01 | Patent right actively abandoned |