CN203719277U - Vertical oil separator and air conditioning system - Google Patents
Vertical oil separator and air conditioning system Download PDFInfo
- Publication number
- CN203719277U CN203719277U CN201320856714.3U CN201320856714U CN203719277U CN 203719277 U CN203719277 U CN 203719277U CN 201320856714 U CN201320856714 U CN 201320856714U CN 203719277 U CN203719277 U CN 203719277U
- Authority
- CN
- China
- Prior art keywords
- oil
- housing
- sleeve
- net
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 8
- 239000003921 oil Substances 0.000 claims abstract description 98
- 239000010687 lubricating oil Substances 0.000 claims abstract description 44
- 239000003507 refrigerant Substances 0.000 claims abstract description 33
- 239000003595 mist Substances 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a vertical oil separator, which comprises a shell with an inner cavity, wherein the shell is provided with an oil content refrigerant inlet, a refrigerant outlet and an oil return port, and also comprises a spiral guide plate, a filter screen component and a three-level fine filter element; the mixed gas input from the oil content refrigerant inlet is subjected to rotary filtration by a spiral guide plate, is subjected to secondary filtration by a filter screen assembly, is sent to a three-stage fine filter element for fine filtration, and is discharged from a refrigerant outlet; the filtered lubricating oil flows out from the oil return port. The utility model also discloses an air conditioning system. The utility model discloses a vertical oil separator is through addding tertiary essence core, with the tertiary filtration of the lubricating oil particle in the mist, makes the lubricating oil in the mist obtain abundant filtration, has improved the refrigeration effect of air conditioner.
Description
Technical field
The utility model relates to household electrical appliance, particularly relates to a kind of vertical oil separator and air-conditioning system.
Background technology
Oil eliminator is that the lubricating oil in the high steam that refrigeration compressor is discharged separates, and moves safely and efficiently with assurance device.According to point oily principle that reduces air velocity and change airflow direction, the elaioleucite in high steam is separated under Action of Gravity Field.General air velocity, below 1m/s, just can be separated the elaioleucite of contained diameter more than 0.2mm in steam.
At present, vertical oil separator mostly adopts and revolves subassembly and separates the structure that adds cartridge combination with cartridge combination or collision and carry out separating of oily and refrigerant, separative efficiency under nominal condition meets instructions for use, but in the time that operating mode badly or is for a long time moved, the oily separating effect of oil eliminator is had a greatly reduced quality, and finally causes compressor oil starvation.
Although some has adopted precision Filter element, its oily separative efficiency is relatively high, and olein filter core has requirement for flow velocity and the oil content of mist, will greatly reduce the filter efficiency of essential oil filter core if can not ensure to enter above two conditions.
The design resistance of some oil eliminator is larger, causes exhaust pressure drop large, and the performance of refrigeration system is impacted.
Utility model content
Based on this, being necessary the problem that can not effectively be filtered for lubricating oil in oil eliminator provide a kind of vertical oil separator.
The utility model is realized by following proposal:
A kind of vertical oil separator, comprises the housing with inner chamber, is provided with oil content refrigerant entrance, refrigerant exit and oil return opening on described housing, also comprises spiral deflector, net-filter assembly and three grades of smart filter cores;
The mist of inputting from oil content refrigerant entrance by net-filter assembly secondary filter, is then sent to three grades of smart filter cores and carries out, after essence filter, discharging from refrigerant exit after spiral deflector rotating filter; The lubricating oil that filtration obtains flows out from oil return opening.
The utility model can also be further perfect by following proposal:
As a kind of embodiment wherein, described three grades of smart filter cores comprise the 3rd sleeve, on described the 3rd sleeve, are evenly provided with multiple smart filter openings;
Described the 3rd sleeve is arranged in described housing and leaves gap with described housing, and described gap is communicated with described refrigerant exit;
The mist filtering out from described net-filter assembly enters the 3rd sleeve, from refrigerant exit discharges after entering described gap after described smart filter opening carries out essence filter;
Described oil return opening comprises secondary oil return opening;
The lubricating oil that the smart filter opening of described the 3rd sleeve leaches flows out from described secondary oil return opening.
As a kind of embodiment wherein, also comprise fluid sleeve;
Described spiral deflector helical form is fixed on described fluid sleeve;
Described spiral deflector, the fluid sleeve formation helical duct that matches with the inwall of described housing;
Enter helical duct from the mist of oil content refrigerant entrance input, after spiral deflector is rotated filtration, outputs to net-filter assembly and carry out cascade filtration.
As a kind of embodiment wherein, also comprise hollow ring shrouding and filter core cover plate;
Described three grades of smart filter cores are fixed on described housing by hollow ring shrouding, and the interior ring of described hollow ring shrouding connects described three grades of smart filter cores, and the outer shroud of described hollow ring shrouding connects the inwall of described housing;
The upper end of the 3rd sleeve described in described filter core cover plate for sealing;
The center hole of described hollow ring shrouding is communicated with the 3rd sleeve of described fluid sleeve and three grades of smart filter cores;
The lubricating oil that described three grades of smart filter element filterings go out flows to after described hollow shape shrouding, then flows out from secondary oil return opening.
As a kind of embodiment wherein, described net-filter assembly comprises Steel net, upper cover plate and the lower cover of tubular;
Described lower cover is shut the lower ending opening of Steel net, described upper cover plate covers the upper end open of described Steel net, described upper cover plate is connected with described fluid sleeve, and described upper cover plate leaves through hole, and the through hole of described upper cover plate is communicated with described Steel net and described fluid sleeve.
As a kind of embodiment wherein, also comprise porous shrouding, described porous shrouding is connected with described housing, is arranged on described net-filter assembly below, and described porous shrouding is uniformly distributed multiple circular holes, and the bottom of described housing inner chamber is divided into accumulator;
Described oil return opening also comprises one-level oil return opening;
The described lubricating oil being filtered out from mist by spiral deflector and net-filter assembly flow into described accumulator from described porous shrouding, and flows out from described one-level oil return opening.
As a kind of embodiment wherein, also comprise the oil guide pipe of the described one-level oil return opening of the connection being arranged in accumulator, and be fixed on the heating of oil guide pipe side on described shell;
Described heating, for heating the lubricating oil flowing out from described oil guide pipe.
As a kind of embodiment wherein, also comprise pouring orifice, described pouring orifice is arranged on described housing, for lubricating oil being injected by described pouring orifice to the inner chamber of housing.
As a kind of embodiment wherein, described housing is also provided with the first closing end component and the second closing end component, and described the first closing end component is arranged on the upper end of described housing, and described the second closing end component is arranged on the lower end of described housing.
As a kind of embodiment wherein, also comprise ring support, described ring support is welded on described the second closing end component, and described housing is played to fixation.
The invention also discloses a kind of air-conditioning system, comprise compressor, condenser, also comprise above-described vertical oil separator, the lubricating oil flowing out from described oil return opening, for toward described compressor, continues for it.
Vertical oil separator of the present utility model, by setting up three grades of smart filter cores, divides three-stage filtration by the lubricating oil particulate in mist, makes the lubricating oil in mist obtain abundant filtration, has improved the refrigeration of air-conditioner.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of vertical oil separator of the present utility model;
Fig. 2 is the exploded view of the net-filter assembly of a kind of embodiment of vertical oil separator of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, by the following examples, and by reference to the accompanying drawings, vertical oil separator of the present utility model and air-conditioning system are further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Shown in 1-2, as shown in Figure 1, a kind of vertical oil separator, comprises the housing 100 with inner chamber, and the top of housing 100 is provided with refrigerant exit 110, and the mist after being filtered flows out from refrigerant exit 110; Housing 100 is provided with oil return opening, and the lubricating oil being filtered off flows out from oil return opening; On housing 100, be also provided with oil content refrigerant entrance 120, mist is filtered from oil content refrigerant entrance 120 enters housing 100.Also comprise spiral deflector 700, net-filter assembly 800 and three grades of smart filter cores 900, the mist entering from oil content refrigerant entrance 120 after spiral deflector 700 rotating filters by net-filter assembly 800 secondary filters, then be input to three grades of smart filter cores 900 and carry out essence filter, the refrigerant of lubricating oil in mist after three grades of smart filter cores 900 filter discharged from refrigerant exit 110, and the lubricating oil leaching flows out from oil return opening.
As a kind of embodiment wherein, three grades of smart filter cores of vertical oil separator of the present utility model also comprise the 3rd sleeve 910, on the 3rd sleeve 910, be evenly provided with multiple smart filter openings, the 3rd sleeve 910 is arranged in housing 100 and leaves gap with housing 100, and the gap between the 3rd sleeve 910 and housing 100 is communicated with refrigerant exit 110.Mist after being filtered by net-filter assembly 800 enters the 3rd sleeve 910, from smart filter opening filters, enters the gap between housing 100 and the 3rd sleeve 910, then discharges from refrigerant exit 110.Oil return opening comprises secondary oil return opening 131, and the lubricating oil being leached by smart filter opening flows out from secondary oil return opening 131, and secondary oil return opening 131 is arranged on housing.
As a kind of embodiment wherein, vertical oil separator of the present utility model comprises fluid sleeve 710, spiral deflector 700 helical forms are fixed on fluid sleeve 710, and the inwall of spiral deflector 700, fluid sleeve 710 and housing 100 matches and jointly forms helical duct.One end opening of helical duct is connected with oil content refrigerant entrance 120, the mist entering from oil content refrigerant entrance 120 is according to the spiral helicine path flow of helical duct, the lubricating oil particulate that wherein diameter is larger bumps with the inwall of housing 100 under the effect of centrifugal force, and be attached on the inwall of housing 100, thereby lubricating oil particulate larger diameter is leached, then mist is inputted to net-filter assembly 800.
Mist after spiral deflector 700 filters enters net-filter assembly 800 from outside to inside, and net-filter assembly 800 comprises Steel net 803, upper cover plate 801 and the lower cover 802 of tubular; Wherein, lower cover 802 is shut the lower ending opening of Steel net 803, upper cover plate 801 covers the upper end open of Steel net 803, and upper cover plate 801 is connected with fluid sleeve 710, net-filter assembly 800 is fixed on fluid sleeve 710 by upper cover plate 801, upper cover plate 801 leaves through hole, and the through hole of upper cover plate 801 is communicated with Steel net 803 and fluid sleeve 710.Mist after being filtered by spiral deflector 700 enters the inside of net-filter assembly 800 through Steel net 803, in this process, the lubricating oil particulate of intermediate diameters is assembled gradually and is formed the larger lubricating oil particulate of diameter under the effect of Steel net 803, then be attached on Steel net 803, thereby the lubricating oil particulate of intermediate diameters is leached.
Mist after being filtered by net-filter assembly 800 is filtered again by three grades of smart filter cores 900, three grades of smart filter cores are fixed on housing 100 by hollow ring shrouding 500, the interior ring of hollow ring shrouding 500 connects three grades of smart filter cores 900, and the outer shroud of hollow ring shrouding 500 connects the inwall of housing 100.The center hole of hollow ring shrouding 500 communicates with the upper end open of fluid sleeve 710 and the lower ending opening of the 3rd sleeve.Mist after being filtered by net-filter assembly 800 flows out from the opening of upper cover plate 801, in the center hole of fluid sleeve 710 and hollow ring shrouding 500 enters the 3rd sleeve 910 of three grades of smart filter cores 900, the upper end of filter core cover plate (not shown) sealing the 3rd sleeve 910, mist flows to the gap between the 3rd sleeve 910 and housing 100 from the inside to the outside after the smart filter opening of three grades of smart filter cores 900 filters, and then discharges from refrigerant exit 110.The lubricating oil being leached by three grades of smart filter cores 900 flows on sky ring sealing plate 500, then discharges from the secondary oil return opening 131 being arranged on housing 100.
As a kind of embodiment wherein, the below of net-filter assembly 800 is provided with porous shrouding 600, and porous shrouding 600 is arranged on housing 100, is evenly distributed with multiple circular holes on porous shrouding 600, and the bottom of housing 100 inner chambers is divided into accumulator.The lubricating oil being leached by helical duct and net-filter assembly 800 drops to porous shrouding 600 under the effect of gravity, then enter accumulator, oil return opening also comprises one-level oil return opening 132, one-level oil return opening 132 is arranged on the housing 100 of accumulator, in accumulator, with one-level oil return opening 132 homonymies, heating 140 is installed, oil guide pipe 134 is communicated with one-level oil return opening 132, after the temperature that the lubricating oil in accumulator is heated to set by heating 140, flows out through oil guide pipe 134.
As a kind of embodiment wherein, also comprise pouring orifice 133, pouring orifice 133 is arranged on housing, can lubricating oil be injected to accumulator by pouring orifice 133.
The upper end of housing 100 is provided with the first closing end component 200; the lower end of housing 100 is provided with the second closing end component 300; the first closing end component 200 and the second closing end component 300 shield to housing 100; the lower end of the second closing end component 300 is also welded with ring support 400, and ring support 400 is to 100 fixations of housing.
The invention also discloses a kind of air-conditioning system, comprise compressor and condenser, also comprise the vertical oil separator described in above embodiment, the lubricating oil of being separated by spiral deflector 700 and net-filter assembly 800 returns to compressor from one-level oil return opening 132 after heating 140 heats, the lubricating oil being leached by three grades of smart filter cores 900 returns to compressor through secondary oil return opening 131, continues for it.
Can real-time mode as one wherein, the lubricating oil flowing out from one-level oil return opening 132 and secondary oil return opening 131 is back to compressor, continues for it.
Mist enters by helical duct through oil content refrigerant entrance 120, helical duct is helical form, mist is in the time that helical duct moves, the lubricating oil particulate that diameter is larger bumps with the inwall of housing 100 under the effect of centrifugal force, and be attached on the inwall of housing 100, the lubricating oil being attached on spiral deflector 700 and housing 100 drops to porous shrouding 600 under the effect of gravity, flow to accumulator through porous shrouding 600.Mist after helical duct filters is entered the inside of net-filter assembly 800 by the outside of net-filter assembly 800, in this process, the lubricating oil particulate of intermediate diameters gradually polymerization becomes the lubricating oil particulate that diameter is larger, under the effect of gravity, also drop to porous shrouding 600, flow to accumulator through porous shrouding 600.The temperature that lubricating oil in accumulator is heated to set through heating 140, returns to compressor through oil guide pipe 134 from one-level oil return opening 132, reuses for compressor.
Mist after helical duct and net-filter assembly 800 filtrations enters the inside of three grades of smart filter cores 900 through fluid sleeve 710, flow to outside from the inside of three grades of smart filter cores 900, in this process, the lubricating oil particulate of small diameter gradually polymerization becomes larger-diameter lubricating oil particulate, after colliding with the inwall of housing 100, be attached on the inwall of housing 100, flow to hollow ring shrouding 500 from the inwall of housing 100, then flow out and be back to compressor from secondary oil return opening 131, continuing for it.Mist after three grades of smart filter cores 900 filter flows out through refrigerant exit 110.The resistance that net-filter assembly 800 and three grades of smart filter cores 900 produce all meets the designing requirement to mist flow velocity.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (11)
1. a vertical oil separator, comprises the housing with inner chamber, is provided with oil content refrigerant entrance, refrigerant exit and oil return opening on described housing, it is characterized in that, also comprises spiral deflector, net-filter assembly and three grades of smart filter cores;
The mist of inputting from oil content refrigerant entrance by net-filter assembly secondary filter, is then sent to three grades of smart filter cores and carries out, after essence filter, discharging from refrigerant exit after spiral deflector rotating filter; The lubricating oil that filtration obtains flows out from oil return opening.
2. vertical oil separator according to claim 1, is characterized in that:
Described three grades of smart filter cores comprise the 3rd sleeve, on described the 3rd sleeve, are evenly provided with multiple smart filter openings;
Described the 3rd sleeve is arranged in described housing and leaves gap with described housing, and described gap is communicated with described refrigerant exit;
The mist filtering out from described net-filter assembly enters the 3rd sleeve, from refrigerant exit discharges after entering described gap after described smart filter opening carries out essence filter;
Described oil return opening comprises secondary oil return opening;
The lubricating oil that the smart filter opening of described the 3rd sleeve leaches flows out from described secondary oil return opening.
3. vertical oil separator according to claim 2, is characterized in that:
Also comprise fluid sleeve;
Described spiral deflector helical form is fixed on described fluid sleeve;
Described spiral deflector, the fluid sleeve formation helical duct that matches with the inwall of described housing;
Enter helical duct from the mist of oil content refrigerant entrance input, after spiral deflector is rotated filtration, outputs to net-filter assembly and carry out cascade filtration.
4. vertical oil separator according to claim 3, is characterized in that:
Also comprise hollow ring shrouding and filter core cover plate;
Described three grades of smart filter cores are fixed on described housing by hollow ring shrouding, and the interior ring of described hollow ring shrouding connects described three grades of smart filter cores, and the outer shroud of described hollow ring shrouding connects the inwall of described housing;
The upper end of the 3rd sleeve described in described filter core cover plate for sealing;
The center hole of described hollow ring shrouding is communicated with the 3rd sleeve of described fluid sleeve and three grades of smart filter cores;
The lubricating oil that described three grades of smart filter element filterings go out flows to after described hollow ring shrouding, then flows out from secondary oil return opening.
5. vertical oil separator according to claim 3, is characterized in that:
Described net-filter assembly comprises Steel net, upper cover plate and the lower cover of tubular;
Described lower cover is shut the lower ending opening of Steel net, described upper cover plate covers the upper end open of described Steel net, described upper cover plate is connected with described fluid sleeve, and described upper cover plate leaves through hole, and the through hole of described upper cover plate is communicated with described Steel net and described fluid sleeve.
6. vertical oil separator according to claim 1, is characterized in that:
Also comprise porous shrouding, described porous shrouding is connected with described housing, is arranged on described net-filter assembly below, and described porous shrouding is uniformly distributed multiple circular holes, and the bottom of described housing inner chamber is divided into accumulator;
Described oil return opening also comprises one-level oil return opening;
The described lubricating oil being filtered out from mist by spiral deflector and net-filter assembly flow into described accumulator from described porous shrouding, and flows out from described one-level oil return opening.
7. vertical oil separator according to claim 6, is characterized in that:
Also comprise the oil guide pipe of the described one-level oil return opening of the connection being arranged in accumulator, and be fixed on the heating of oil guide pipe side on described shell;
Described heating, for heating the lubricating oil flowing out from described oil guide pipe.
8. vertical oil separator according to claim 1, is characterized in that: also comprise pouring orifice, described pouring orifice is arranged on described housing, for lubricating oil being injected by described pouring orifice to the inner chamber of housing.
9. vertical oil separator according to claim 1, is characterized in that:
Described housing is also provided with the first closing end component and the second closing end component, and described the first closing end component is arranged on the upper end of described housing, and described the second closing end component is arranged on the lower end of described housing.
10. vertical oil separator according to claim 9, is characterized in that: also comprise ring support, described ring support is welded on described the second closing end component, and described housing is played to fixation.
11. 1 kinds of air-conditioning systems, comprise compressor, condenser, it is characterized in that: also comprise the vertical oil separator described in claim 1 to 10 any one, the lubricating oil flowing out from described oil return opening is for toward described compressor, for its continuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856714.3U CN203719277U (en) | 2013-12-23 | 2013-12-23 | Vertical oil separator and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320856714.3U CN203719277U (en) | 2013-12-23 | 2013-12-23 | Vertical oil separator and air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203719277U true CN203719277U (en) | 2014-07-16 |
Family
ID=51158424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320856714.3U Expired - Lifetime CN203719277U (en) | 2013-12-23 | 2013-12-23 | Vertical oil separator and air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203719277U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106568246A (en) * | 2016-11-17 | 2017-04-19 | 珠海格力电器股份有限公司 | Oil separator and air conditioning unit |
| CN104729166B (en) * | 2013-12-23 | 2017-05-10 | 珠海格力电器股份有限公司 | Vertical oil separator and air conditioning system |
| CN117053443A (en) * | 2023-08-14 | 2023-11-14 | 珠海格力电器股份有限公司 | Oil separator and air conditioning unit |
-
2013
- 2013-12-23 CN CN201320856714.3U patent/CN203719277U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729166B (en) * | 2013-12-23 | 2017-05-10 | 珠海格力电器股份有限公司 | Vertical oil separator and air conditioning system |
| CN106568246A (en) * | 2016-11-17 | 2017-04-19 | 珠海格力电器股份有限公司 | Oil separator and air conditioning unit |
| CN106568246B (en) * | 2016-11-17 | 2023-10-20 | 珠海格力电器股份有限公司 | Oil separator and air conditioning unit |
| CN117053443A (en) * | 2023-08-14 | 2023-11-14 | 珠海格力电器股份有限公司 | Oil separator and air conditioning unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |