CN104929910A - Oil recovery device - Google Patents
Oil recovery device Download PDFInfo
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- CN104929910A CN104929910A CN201510076252.7A CN201510076252A CN104929910A CN 104929910 A CN104929910 A CN 104929910A CN 201510076252 A CN201510076252 A CN 201510076252A CN 104929910 A CN104929910 A CN 104929910A
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- oil
- fuel tank
- guide chute
- rake
- recovery device
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses an oil recovery device capable improving quality of recovered oil. The oil recovery device is provided with an oil tank disposed on the lower part of a flow-in channel for oil recovery and used for storing oil flowing into the flow-in channel through a flow-in port; a first guide inclined channel disposed in the oil tank and provided with a first inclined part so as to guide oil flowing in through the flow-in port to the other end of the lower part; a second guide inclined channel disposed in the oil tank and provided with a second inclined part so as to guide oil from the first guide inclined channel to the other end of the lower part; a separating film disposed in the oil tank and contacting with the inner-side bottom face and the inner-side side face of the oil tank so as to control flowing of the oil from the second guide inclined channel.
Description
Technical field
Embodiments of the invention relate to a kind of oil recovery device, particularly relate to a kind of oil recovery device improving the quality of the oil of recovery.
Background technique
In various mechanical device, use oil in order to the motion smoothly of various parts.Such as, compressor is sucked by the fluid of outside and compresses and be supplied to the device of Special Equipment.At this, compressor can possess gear-box and/or bearing to drive inner solid of rotation.Especially, be furnished with multiple gear in gear-box and driving force can be passed to solid of rotation.Oil can be supplied to realize sealing and to run smoothly to such gear and/or bearing.Now, be supplied to the oil of gear and/or bearing to be continuously fed with, and after using, remaining oil can be recovered to fuel tank again.
For the oil reclaimed like this, in oil, include a large amount of gas.Therefore, before the oil in fuel tank is discharged to the outside, need first the gas be contained in oil to be reduced to below proper level.But for existing fuel tank, just play the effect of temporarily being stored simply by the oil of recovery, the gas comprised in the oil of recovery cannot be reduced.
Summary of the invention
The present invention comprises the various problems of technical problem as above for solving, its object is to provides a kind of oil recovery device improving the quality of the oil of recovery.But such technical problem is exemplary, scope of the present invention is also not limited by it.
According to a kind of viewpoint of the present invention, a kind of oil recovery device is provided, has: fuel tank, be positioned at the bottom of the flow channel for recovered oil, for storing by inflow entrance from the oil that flow channel flows into; First guide chute, is positioned at described fuel tank internal, and has the first rake, thus the oil flowed into by described inflow entrance is guided the other end of lower portion from one end; Second guide chute, is positioned at described fuel tank internal, and has the second rake, thus the oil from described first guide chute is guided the other end of lower portion from one end; Barrier film, is positioned at described fuel tank internal, and is contacted with the inside bottom surface of described fuel tank and the inner side surface of described fuel tank, thus controls the flowing from the oil of described second guide chute.
The other end of described second guide chute can be positioned at below the pasta of the oil being stored in described fuel tank.
One end of described first rake of connection of described first guide chute and a side margin of the other end can be contacted with the inner side surface of described fuel tank, described first guide chute can also have: partition panel, be arranged as the opposite side side edge with described first guide chute of one end and the other end of being connected described first rake, thus make the oil on described first rake be guided to the other end of described first rake.
One end of described second rake of connection of described second guide chute and a side margin of the other end can be contacted with the inner side surface of described fuel tank, and the opposite side edge connecting one end of described second rake and described second guide chute of the other end can be contacted with on the surface of described barrier film, thus the oil on described second rake can be guided the other end to described second rake.
In the case, guided the first direction of oil by described first rake of described first guide chute and to be guided by described second rake of described second guide chute the second direction of oil can be not parallel.
And then the edge of the described barrier film in described second direction can be contacted with the inner side surface of described fuel tank, the edge of the described barrier film on the opposite direction of described second direction has at least a part can be separated from the inner side surface of described fuel tank.
And, described oil recovery device can also have: flow pass, extend from described fuel tank externally to described fuel tank internal, thus it is outside to enable the oil of described fuel tank internal be flowed out to described fuel tank by the outflow opening of the one end in described fuel tank internal, and, with described barrier film for benchmark, the described outflow opening of described flow pass can be positioned at a contrary side of described second guide chute place one side.
Described flow pass can have kink, thus makes described outflow opening towards the inside bottom surface of described fuel tank.
Described flow pass can extend to described fuel tank internal from described fuel tank outside along described second direction, and described outflow opening can be positioned at the end of the described second direction of described flow pass.
In addition, at least two in described first guide chute, described second guide chute and described barrier film can be integrally constituted.
Other aspects except foregoing teachings, feature, advantage will by the following clear understandings for the particular content, claims and the accompanying drawing that carry out an invention.
According to the one embodiment of the present of invention formed as described above, the oil recovery device that the quality that can realize a kind of oil of recovery is improved.Certainly, scope of the present invention not limit by such technique effect.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view roughly representing oil recovery device according to an embodiment of the invention.
Fig. 2 is the stereogram of the first guide chute of the oil recovery device roughly represented in Fig. 1, the second guide chute and barrier film.
Fig. 3 is the stereogram of a part for the flow pass of the oil recovery device roughly represented in Fig. 1.
Symbol description
110: flow channel 120: fuel tank
121: the first guide chute 1211: the first rakes
1212: partition panel 123: connecting plate
125: the second guide chute 127: barrier film
131,132: flow pass
Embodiment
The present invention can apply various conversion, and can have various embodiments, and particular implementation is illustrated in figure, will be set forth particularly by detailed description.Effect of the present invention, feature will be understood and the method used that achieves the goal with reference to the embodiment be described with reference to the accompanying drawings.But the present invention is not limited to the embodiment of following disclosure, but can be realized by various form.
Below, embodiments of the present invention will be described in detail with reference to the accompanying drawings, when illustrating with reference to accompanying drawing, giving identical reference character, and omit associated repeat specification to identical or corresponding constituting component.
Below in an example, when various constituting components such as mentioning certain layer, film, region, plate be positioned at other constituting components " on " time, not only comprise the situation being positioned at other constituting components " above next-door neighbour ", but also comprise the situation being folded with other constituting components therebetween.Further, for convenience of explanation, the size of constituting component may be zoomed in or out and illustrate in figure.Such as, the size of each constituting component shown in figure and thickness are at random represented that, so that illustrate, the present invention is not limited to illustrated situation.
Below in an example, x-axis, y-axis and z-axis are not limited to three axles that orthogonal coordinates are fastened, but can be interpreted as the wide in range implication comprising this.Such as, x-axis, y-axis and z-axis can be mutually orthogonal, but also can point to and non-orthogonal different direction.
Fig. 1 is the schematic perspective view roughly representing oil recovery device according to an embodiment of the invention, and Fig. 2 is the stereogram roughly representing first guide chute (slant) of oil recovery device, the second guide chute and barrier film.As depicted in figs. 1 and 2, according to the oil recovery device of the present embodiment, there is fuel tank 120, first guide chute 121, second guide chute 125 and barrier film 127.
Fuel tank 120 is connected with compressor (not shown) etc., and is arranged in the bottom of the flow channel 110 (figure owes mark) of the oil for reclaiming this compressor etc.Flow channel 110 can be pipe arrangement form.The oil measure flowed into from flow channel 110 by inflow entrance is stored in inside (f1 with reference to Fig. 1) by fuel tank 120.Being stored in oil in fuel tank 120, to flow out to fuel tank 120 by being formed at the outflow opening of bottom and flow pass 131,132 outside.
Fuel tank 120 inside is provided with the first guide chute 121.First guide chute 121 has the first rake 1211, thus the oil that flowed into by inflow entrance is guided the other end (f2 with reference to Fig. 1) to (+y direction and-z direction) bottom from one end.That is, the first guide chute 121 prevents from directly being dropped to by the oil that inflow entrance enters in fuel tank 120 oil that is stored in fuel tank 120 from flow channel 110.
If the oil entered into by inflow entrance in fuel tank 120 directly drops on the oil that is stored in fuel tank 120, kinetic energy then during oil landing and momentum cause the surface of the oil be stored in fuel tank 120 to be rippled, and cannot confirm the amount being accurately stored in the oil in fuel tank 120 thus.Especially, if the oil entered into by inflow entrance in fuel tank 120 is directly dropped on the oil that is stored in fuel tank 120, then mist of oil steam (fume) is caused due to impact when oil lands.The upper space of the oil that this mist of oil steam storage is preserved in fuel tank 120, thus pressure when may ripple with the surface of the oil be stored in fuel tank 120 changes and is discharged into air and becomes atmospheric pollution sources.
But, for for the oil recovery device of the present embodiment, the first guide chute 121 is provided with in fuel tank 120, thus make can not directly to be dropped to by the oil that inflow entrance enters in fuel tank 120 oil that is stored in fuel tank 120 from flow channel 110, but drop to the first guide chute 121.And the first guide chute 121 has the first rake 1211, so the oil dropped in the first guide chute 121 will move along this first rake 1211 to the oil place be stored in fuel tank 120.Accordingly, the impact produced when making to be entered on the oil that is stored in fuel tank 120 by the inflow entrance oil entered in fuel tank 120 is reduced, thus significantly can reduce the production of mist of oil steam.
For the first rake 1211 of the first such guide chute 121, the side margin 1211a connecting its one end and the other end can be contacted with-x direction the inner side surface of fuel tank 120.Further, the first guide chute 121 can also have partition panel 1212, and this partition panel 1212 can be arranged as and connect with the opposite side edge 1211b of the one end for being connected the first rake 1211 and the other end.Accordingly, under-x direction the inner side surface of fuel tank 120 and the effect of partition panel 1212, the oil on the first rake 1211 can not depart from the first rake 1211, but guides to the other end along the first rake 1211 from one end of the first rake 1211.
It is inner that second guide chute 125 is also arranged at fuel tank 120.This second guide chute 125 has the second rake, thus the oil from the first guide chute 121 can be guided the other end (f3 with reference to Fig. 1) to (+x direction and-z direction) bottom from one end of the second guide chute 125.Certainly, for this reason can between the first guide chute 121 and the second guide chute 125 sandwiched connecting plate 123.That is, connecting plate 123 can connect the other end of the first guide chute 121 and one end of the second guide chute 125.Can certainly according to circumstances and by this connecting plate 123 be considered as a part for the first guide chute 121 or be considered as a part for the second guide chute 125.For be considered as the second guide chute 125 a part situation for, reference character " 125 " can be regarded as the second rake of expression second guide chute.This point to embodiment described later and variation thereof too.
The other end of the second guide chute 125 can be positioned at below the pasta of the oil being stored in fuel tank 120.Accordingly, the oil obtaining guiding by the first guide chute 121 and the second guide chute 125 can be made to enter be stored in fuel tank 120 oily time impact minimize, thus can prevent or minimize the generation of steam.
For the second rake of the second such guide chute 125, the side margin 125a connecting its one end and the other end can be contacted with+y direction the inner side surface of fuel tank 120.And the opposite side edge 125b of one end and the other end of connecting the second rake of the second guide chute 125 can be contacted with on the surface of barrier film 127 as described later.The second rake can not be departed from by means of the oil on the+y direction inner side surface of such fuel tank 120 and barrier film 127, second rake, but guide to the other end along the second rake from one end of the second rake.
In addition, as depicted in figs. 1 and 2, the first direction (+y direction and-z direction) of oil is guided by the first rake 1211 of the first guide chute 121 and guided the second direction of oil (+x direction and-z direction) to be set to by the second rake of the second guide chute 125 not parallel.In fig. 1 and 2, be illustrated as and guide first direction (being roughly+y direction) and second rake by the second guide chute 125 of oil by the first rake 1211 of the first guide chute 121 and guide oily second direction (being roughly+x direction) vertical.
So, when guiding oily second direction (being roughly+x direction) vertical when being guided the first direction (being roughly+y direction) of oil and the second rake by the second guide chute 125 by the first rake 1211 of the first guide chute 121, before the second rake entering into the second guide chute 125, on connecting plate 123, first there is the transformation of its flow direction in the oil guided by the first rake 1211 of the first guide chute 121.Now, in the process that flow direction changes, the flowing velocity of oil will reduce, its result the oil guided by the second guide chute 125 is entered into be stored in fuel tank 120 oily time impact minimize, thus can prevent or minimize the generation of steam.
It is inner that barrier film 127 is also positioned at fuel tank 120, and this barrier film 127 is contacted with the-z direction inside bottom surface of fuel tank 120 and the inner side surface of fuel tank 120, thus control the flowing from the oil of the second guide chute 125.
Specifically ,-z direction edge the 127a of barrier film 127 is contacted with the-z direction inside bottom surface of fuel tank 120.+ z direction edge the 127b of barrier film 127 can not contact with end face inside the+z direction of fuel tank 120 as depicted in figs. 1 and 2, and end face inside the+z direction that also can be set to be contacted with fuel tank 120 as required.Preferably ,+z direction edge the 127b of barrier film 127 is set to as depicted in figs. 1 and 2 do not contact with end face inside the+z direction of fuel tank 120, thus gas is dredged in the upper space being stored in the oil in fuel tank 120.
And, edge 127c in the second direction (+x direction) of barrier film 127 is contacted with the+x direction inner side surface of fuel tank 120, and edge 127d, the 127e of barrier film 127 on the opposite direction (-x direction) of second direction (+x direction) have at least a part to be separated from-x direction the inner side surface of fuel tank 120.In fig. 1 and 2, the edge 127e of barrier film 127 is contacted with the-x direction inner side surface of fuel tank 120, but edge 127d is not but contacted with-x direction the inner side surface of fuel tank 120.As a result, there is passage in the 127d vicinity, edge in the bottom of the first guide chute 121 in barrier film 127, this passage is not blocked by barrier film 127 and can move by fuel feeding.
As shown in Figure 1, flow pass 131,132 extends from fuel tank 120 externally to fuel tank 120 inside, and make the oil of fuel tank 120 inside flow out to fuel tank 120 by the outflow opening of the one end in fuel tank 120 inside outside.Now, with barrier film 127 for benchmark, the outflow opening of flow pass 131,132 is positioned at the phase negative side (-y direction) at the second guide chute 125 place one side (+y direction).
By such structure, guided by the second guide chute 125 and enter into the second guide chute 125 bottom oil in the second guide chute 125 bottom towards the opposite direction (-x direction) in second direction (+x direction) mobile (f4 with reference to Fig. 1), move to flow pass 131, the 132 whereabouts (bottom of its not second guide chute 125 near the edge 127d of the barrier film 127 then on the opposite direction (-x direction) in second direction (+x direction); F5 with reference to Fig. 1).
For for the oil recovery device of the present embodiment, flow into the oil of fuel tank 120 in the space just arriving flow pass 131,132 place by means of the space limited by the first guide chute 121, connecting plate 123, second guide chute 125 and barrier film 127 after the longer path represented with f1 ~ f5.Accordingly, arrive at oil in the process of flow pass 131,132, can guarantee the gas be contained in oil overflow from oil needed for time of abundance.Therefore, the oil recovery device according to the present embodiment not only plays the effect of temporarily being stored simply by the oil of recovery, but the gas be contained in the oil of recovery can be made to reduce to suitable below horizontal.
It is inner that flow pass 131,132 extends to fuel tank 120 from fuel tank 120 outside along second direction (+x direction), and outflow opening can be positioned at the second direction (+x direction) end of flow pass 131,132.Accordingly, the oil moving to flow pass 131,132 whereabouts (it is not the bottom of the second guide chute 125) near the edge 127d of the barrier film 127 on the opposite direction (-x direction) in second direction (+x direction) is again mobile along second direction (+x direction), then can be entered into flow pass 131,132 inside (f6 with reference to Fig. 1) by outflow opening.Accordingly, arrive at oil in the process of the outflow opening of flow pass 131,132, can guarantee the gas be contained in oil overflow from oil needed for time of abundance.
In addition, Fig. 3 is the stereogram of a part for the flow pass of the oil recovery device that Fig. 1 is roughly shown, as shown in the figure, flow pass 131,132 has kink 131a, 132a, thus the outflow opening of flow pass 131,132 can be made towards the inside bottom surface in-z direction of fuel tank 120.Begin through outflow opening from the oil on top in oil in fuel tank 120 if be stored in enter into flow pass 131,132 inner, the oil being then stored in the oily middle and lower part in fuel tank 120 stays in for a long time because of flow stagnation in fuel tank 120, and but owing to staying in that time in fuel tank 120 is shorter, to enter into flow pass 131,132 under the state that is not fully discharged to the outside at the gas be contained in oil inner for the oil being stored in the oily middle and upper part in fuel tank 120 on the contrary.
But, for for the oil recovery device of the present embodiment, the outflow opening of flow pass 131,132 is towards the inside bottom surface in-z direction of fuel tank 120, thus bring following result: be stored in and begin through outflow opening from the oil (not the oil on top) of bottom in the oil in fuel tank 120 and enter into flow pass 131,132 inside, accordingly, the oil be stored in fuel tank 120 can be made fully to circulate.And, fully guarantee that oil stays in the time in fuel tank 120 accordingly, thus it is inner to enter into flow pass 131,132 under the state that oil can be made to be discharged to the outside fully at the gas be contained in oil.
As shown in Figure 1 to Figure 3, flow pass 131,132 can comprise mutually different two pipelines of diameter.Accordingly, such as when needing to use two pipelines in the lump when making the oil in fuel tank 120 flow out rapidly, and when needing to use when making oil slowly flow out the pipeline that in two pipelines, diameter is less, according to circumstances and easily discharge can be regulated like this.
For such oil recovery device according to the present embodiment, at least two in the first guide chute 121, second guide chute 125 and barrier film 127 can be integrally constituted.Wherein, so-called one not only comprises the situation that a plate obtains by bending or punching press etc. processing, but also comprises being made as and independently waited by welding after plate and the situation such as to be bonded with each other.Owing to making at least two in the first guide chute 121, second guide chute 125 and barrier film 127 to be integrally constituted, so only need the assembly installing one as above in fuel tank 120, be therefore easy to manufacture oil recovery device.
So, give illustrated embodiment in reference drawing and describe the present invention, but this only example, if the personnel in related domain with general knowledge will understand can realize various distortion and other embodiments of equal value thus.Therefore, real protection domain of the present invention should be determined by the technological thought of claims.
Claims (10)
1. an oil recovery device, has:
Fuel tank, is positioned at the bottom of the flow channel for recovered oil, for storing by inflow entrance from the oil that flow channel flows into;
First guide chute, is positioned at described fuel tank internal, and has the first rake, thus the oil flowed into by described inflow entrance is guided the other end of lower portion from one end;
Second guide chute, is positioned at described fuel tank internal, and has the second rake, thus the oil from described first guide chute is guided the other end of lower portion from one end;
Barrier film, is positioned at described fuel tank internal, and is contacted with the inside bottom surface of described fuel tank and the inner side surface of described fuel tank, thus controls the flowing from the oil of described second guide chute.
2. oil recovery device as claimed in claim 1, wherein, the other end of described second guide chute is positioned at below the pasta of the oil being stored in described fuel tank.
3. oil recovery device as claimed in claim 1, wherein, one end of described first rake of connection of described first guide chute and a side edge contact of the other end are in the inner side surface of described fuel tank, and described first guide chute also has:
Partition panel, is arranged as the opposite side side edge with described first guide chute of one end and the other end of being connected described first rake, thus makes the oil on described first rake be guided to the other end of described first rake.
4. oil recovery device as claimed in claim 1, wherein, one end of described second rake of connection of described second guide chute and a side edge contact of the other end are in the inner side surface of described fuel tank, and the opposite side EDGE CONTACT connecting one end of described second rake and described second guide chute of the other end is on the surface of described barrier film, thus the oil on described second rake is guided the other end to described second rake.
5. oil recovery device as claimed in claim 4, wherein, is guided the first direction of oil and is guided the second direction of oil by described second rake of described second guide chute and not parallel by described first rake of described first guide chute.
6. oil recovery device as claimed in claim 5, wherein, the EDGE CONTACT of the described barrier film in described second direction is in the inner side surface of described fuel tank, and the edge of the described barrier film on the opposite direction of described second direction has at least a part to be separated from the inner side surface of described fuel tank.
7. oil recovery device as claimed in claim 6, wherein, described oil recovery device also has:
Flow pass, extends from described fuel tank externally to described fuel tank internal, thus it is outside to enable the oil of described fuel tank internal be flowed out to described fuel tank by the outflow opening of the one end in described fuel tank internal,
And with described barrier film for benchmark, the described outflow opening of described flow pass is positioned at a contrary side of described second guide chute place one side.
8. oil recovery device as claimed in claim 7, wherein, described flow pass has kink, thus makes described outflow opening towards the inside bottom surface of described fuel tank.
9. oil recovery device as claimed in claim 7, wherein, described flow pass extends to described fuel tank internal from described fuel tank outside along described second direction, and described outflow opening is positioned at the end of the described second direction of described flow pass.
10. oil recovery device as claimed in claim 1, wherein, at least two in described first guide chute, described second guide chute and described barrier film are integrally constituted.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2014-0029759 | 2014-03-13 | ||
| KR1020140029759A KR102002563B1 (en) | 2014-03-13 | 2014-03-13 | Oil recovery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104929910A true CN104929910A (en) | 2015-09-23 |
| CN104929910B CN104929910B (en) | 2018-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510076252.7A Active CN104929910B (en) | 2014-03-13 | 2015-02-12 | Oil recovery apparatus |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR102002563B1 (en) |
| CN (1) | CN104929910B (en) |
Citations (5)
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| CN2615370Y (en) * | 2003-04-02 | 2004-05-12 | 计高凌 | Automatic feeding lubricant oil protector for air compressor |
| CN201061731Y (en) * | 2007-06-25 | 2008-05-21 | 王重强 | Oil-water separator |
| CN101537406A (en) * | 2009-04-30 | 2009-09-23 | 石红旗 | Drip paint recovery box applicable to an aluminium mirror production line |
| CN103410706A (en) * | 2013-08-27 | 2013-11-27 | 成都添益天然气压缩机制造有限公司 | Automatic lubricating oil compensation device with oil lens |
| JP2013238191A (en) * | 2012-05-16 | 2013-11-28 | Daikin Industries Ltd | Compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6346001Y2 (en) * | 1984-10-02 | 1988-11-30 | ||
| JPH11132392A (en) * | 1997-10-27 | 1999-05-21 | Hitachi Constr Mach Co Ltd | Grease tank device |
| JP4480615B2 (en) * | 2005-04-11 | 2010-06-16 | トヨタ自動車株式会社 | Oil tank |
-
2014
- 2014-03-13 KR KR1020140029759A patent/KR102002563B1/en active IP Right Grant
-
2015
- 2015-02-12 CN CN201510076252.7A patent/CN104929910B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2615370Y (en) * | 2003-04-02 | 2004-05-12 | 计高凌 | Automatic feeding lubricant oil protector for air compressor |
| CN201061731Y (en) * | 2007-06-25 | 2008-05-21 | 王重强 | Oil-water separator |
| CN101537406A (en) * | 2009-04-30 | 2009-09-23 | 石红旗 | Drip paint recovery box applicable to an aluminium mirror production line |
| JP2013238191A (en) * | 2012-05-16 | 2013-11-28 | Daikin Industries Ltd | Compressor |
| CN103410706A (en) * | 2013-08-27 | 2013-11-27 | 成都添益天然气压缩机制造有限公司 | Automatic lubricating oil compensation device with oil lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104929910B (en) | 2018-09-28 |
| KR20150107210A (en) | 2015-09-23 |
| KR102002563B1 (en) | 2019-07-22 |
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Effective date of registration: 20180319 Address after: Gyeongnam Changwon City, South Korea Applicant after: Han Hua compressor plant Address before: Gyeongnam Changwon City, South Korea Applicant before: SAMSUNG TECHWIN CO., LTD. |
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