CN201461330U - Oil supply device for linear compressor - Google Patents
Oil supply device for linear compressor Download PDFInfo
- Publication number
- CN201461330U CN201461330U CN2009201078050U CN200920107805U CN201461330U CN 201461330 U CN201461330 U CN 201461330U CN 2009201078050 U CN2009201078050 U CN 2009201078050U CN 200920107805 U CN200920107805 U CN 200920107805U CN 201461330 U CN201461330 U CN 201461330U
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- oil
- groove
- hole
- cavity
- oil suction
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- 239000012528 membrane Substances 0.000 claims abstract description 57
- 239000000446 fuel Substances 0.000 claims description 97
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 143
- 239000000314 lubricant Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 229920002313 fluoropolymer Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
An oil supply device for a linear compressor, comprising: first and second grooves which engage with each other and sandwich the elastic film therebetween; the first end cover covers the outer surface of the bottom of the first groove; the first groove and the second groove respectively form a first cavity and a second cavity together with the elastic film; an oil supply through hole and an oil absorption through groove are formed at the bottom of the first groove; the first end cover is provided with an oil supply blind groove and an oil absorption through hole; the oil suction through hole is communicated with the oil suction through groove, and a one-way oil suction valve which is opened towards the direction close to the first cavity is arranged on the connected end surface of the oil suction through hole and the oil suction through groove; the oil supply through hole is communicated with the oil supply blind groove; and the connected end surfaces of the two are provided with a one-way oil supply valve which is opened towards the direction far away from the first cavity; the center of the elastic membrane is connected with the moving part of the compressor or is provided with a balance weight body. When the linear compressor works, the volume of the cavity is changed and increased through the reciprocating motion of the elastic membrane, negative pressure is generated in the cavity to open the oil suction valve, and oil enters the cavity; the volume becomes small, and the pressure increase in the cavity makes the oil drain valve open, and oil gets into the compressor cylinder.
Description
Technical field
The utility model belongs to the compressor oil supplying device in fluid machinery and the refrigeration technology field, particularly a kind of oil supply device for linear compressor.
Background technique
The oil supplying device of compressor lubricant oil mainly is divided into splash lubrication and pressure lubrication two big classes because the difference of type has multiple mode.
The principle of splash lubrication be by on the connecting rod hit beam hanger with the lubricating oil splash in the crankcase to each rubbing surface, or utilizing the annulus on the crankshaft journal shoulder that the lubricant oil in the crankcase is brought to the main journal surface, lubricant oil splashes to each rubbing surface under action of centrifugal force then.The splash lubrication fuel delivery is difficult to control, and is poor to the friction surface cooling effect, is applicable to light duty compressor.
The fuel system of pressure lubrication has two kinds of oil hydraulic pump fuel feeding and centrifugal fuel feeding.Oil hydraulic pump fuel system fuel delivery is big, is usually used in large and medium-sized refrigeration compressor; Centrifugal fuel system is the rotation by axle, makes lubricant oil be left to (or directly splashing to) each lubricated face under action of centrifugal force, and this method is usually used in hermetic compressor.
Linearkompressor belongs to small-sized closed piston compressor, but because its motor is done straight reciprocating motion, do not rotatablely move as oil pump power, the above-mentioned rotating shaft drive oil supplying device by rotating in the compressor can not be continued to use to traditional fuel system of each rubbing surface fuel feeding again.
What Linearkompressor fuel feeding technology such as Korea S's lg electronics adopted is to load onto plunger shape oil piston in a circular cylindrical cavity, oil piston both sides are spacing by spring respectively, utilize the vibration of compressor to drive oily piston and do the inertia motion, utilize the principle of plunger pump, to each rubbing surface fuel feeding of each Linearkompressor.But, because oily piston moves in the column cavity, must there be certain clearance between oil piston and the cavity inner wall, the existence in gap can produce certain adverse effect to the pump of oil supplying device oil ability, need all carry out fine finishing to cavity inner wall and oily outer surface of piston as far as possible and reach certain degree of finish and guaranteed that oily piston can be reciprocating along with fuselage shaking well when reducing the gap.
Summary of the invention
The utility model purpose is to provide a kind of oil supply device for linear compressor, and this device can utilize the fuselage shaking of linear compressor or the motion of compressor electric motor moving element to drive.
The technical solution of the utility model is as follows:
The oil supply device for linear compressor that the utility model provides, it comprises:
Mutually fasten and an elastic membrane 4 is installed between the two one first groove 3 and one second groove 5; With first an end cap A1 who is covered on described first groove, the 3 bottom land outer surfaces;
Described first groove 3 surrounds first cavity 31 with described elastic membrane 4; Described second groove 5 surrounds second cavity 51 with described elastic membrane 4;
The bottom land of described first groove 3 is provided with one first fuel feeding through hole 11 and one first oil suction groove 10; The described first end cap A1 is provided with blind groove 7 of first fuel feeding and the one first oil suction through hole 6 that an end opens wide;
The described first oil suction through hole 6 communicates with the described first oil suction groove 10; On the described first oil suction through hole 6 and the end face that the first oil suction groove 10 is connected the first unidirectional oil sucting valve 8 is housed; The described first unidirectional oil sucting valve 8 is opened to the direction near described first cavity 31;
The described first fuel feeding through hole 11 is connected with the blind groove 7 of first fuel feeding; On described first oil supply hole 11 and the end face that the blind groove 7 of first fuel feeding is connected the first unidirectional delivery valve 9 is housed; The described first unidirectional delivery valve 9 is opened to the direction away from described first cavity 31;
The blind groove 7 of described first fuel feeding is communicated with one first fuel supply line 20; The described first oil suction through hole 6 is communicated with one first fuel sucking pipe 19;
Described elastic membrane 4 centers are connected with the moving element of compressor electric motor; Perhaps in described elastic membrane 4 centers configuration balance weight body, the quality m of described balance weight body is according to formula
Determine that described k is the elasticity coefficient k of elastic membrane 4, described f is a compressor fuselage shaking frequency f.
The oil supply device for linear compressor that the utility model provides also can further comprise the second end cap A2 that is covered on described second groove, the 5 bottom land outer surfaces;
The bottom land of described second groove 5 is provided with one second fuel feeding through hole 111 and one second oil suction groove 101; The described second end cap A2 is provided with blind groove 71 of second fuel feeding and the one second oil suction through hole 61 that an end opens wide;
The described second oil suction through hole 61 communicates with the described second oil suction groove 101; On the described second oil suction through hole 61 and the end face that the second oil suction groove 101 is connected the second unidirectional oil sucting valve 81 is housed; The described second unidirectional oil sucting valve 81 is opened to the direction near described second cavity 51;
The described second fuel feeding through hole 111 is connected with the blind groove 71 of second fuel feeding; On the described second fuel feeding through hole 111 and the end face that the blind groove 71 of second fuel feeding is connected the second unidirectional delivery valve 91 is housed; The described second unidirectional delivery valve 91 is opened to the direction away from described second cavity 51;
The blind groove 71 of described second fuel feeding is communicated with one second fuel supply line 201; The described second oil suction through hole 61 is communicated with one second fuel sucking pipe 191.
The elastic membrane that described elastic membrane 4 is manufactured for fluoroplastic, rubber or composite and flexible material.
Described elastic membrane is by fluoroplastic, rubber or other composite and flexible material, and the to-and-fro motion of elastic membrane can make the interior spatial volume of oil pocket (first cavity 31 and second cavity 51) change and carry out oil suction or fuel feeding; Unidirectional oil sucting valve and unidirectional delivery valve have guaranteed unidirectional oil suction and oil feeding line; (first cavity 31 and second cavity 51) produces negative pressure and makes unidirectional oil sucting valve open when spatial volume becomes big in the oil pocket in the chamber, and oil enters in the chamber; Oil pocket interior (first cavity 31 and second cavity 51) is when spatial volume diminishes, and the increase of (first cavity 31 and second cavity 51) internal pressure makes unidirectional delivery valve open in the oil pocket, and oil enters in the compresser cylinder by oil drainage hole and oil duct.
The advantage of the oil supply device for linear compressor that the utility model provides is as follows:
To-and-fro motion by elastic membrane makes that (first cavity 31 and second cavity 51) inner volume changes and carries out oil suction and fuel feeding in the oil pocket, form in the oil pocket that seals (first cavity 31 and second cavity 51) by elastic membrane, during the elastic membrane motion, (first cavity 31 and second cavity 51) do not have air gap with the external world in the oil pocket, and supply capability is improved; Elastic membrane when motion, there is not friction with (first cavity 31 and second cavity 51) inwall in the oil pocket, vibration that can better utilization compressor fuselage is as fuel feeding power.
Description of drawings
Fig. 1 is the utility model Linearkompressor oil supplying device (embodiment's) structure and a principle schematic;
Fig. 2 is the utility model Linearkompressor oil supplying device (another embodiment's) structure and a principle schematic.
Embodiment
Embodiment 1
Fig. 1 is the utility model Linearkompressor oil supplying device (embodiment's) structure and a principle schematic;
By figure
As can be known, the oil supply device for linear compressor that the utility model that present embodiment 1 provides provides, it comprises:
Mutually fasten and an elastic membrane 4 is installed between the two one first groove 3 and one second groove 5; With a left end cap A1 who is covered on described first groove, the 3 bottom land outer surfaces;
Described first groove 3 surrounds first cavity 31 with described elastic membrane 4; Described second groove 5 surrounds second cavity 51 with described elastic membrane 4;
The bottom land of described first groove 3 is provided with one first fuel feeding through hole 11 and one first oil suction groove 10; The described first end cap A1 is provided with blind groove 7 of one first fuel feeding and the one first oil suction through hole 6 that an end opens wide;
The described first oil suction through hole 6 communicates with the described first oil suction groove 10; On the described first oil suction through hole 6 and the end face that the first oil suction groove 10 is connected the first unidirectional oil sucting valve 8 is housed; The described first unidirectional oil sucting valve 8 is opened to the direction near described first cavity 31;
The described first fuel feeding through hole 11 is connected with the blind groove 7 of first fuel feeding; On the described first fuel feeding through hole 11 and the end face that the blind groove 7 of first fuel feeding is connected the first unidirectional delivery valve 9 is housed; The described first unidirectional delivery valve 9 is opened to the direction away from described first cavity 31;
The blind groove 7 of described fuel feeding is communicated with a fuel supply line 20; Described oil suction through hole 6 is communicated with a fuel sucking pipe 19.
Described elastic membrane is by fluoroplastic, rubber or other composite and flexible material.
This embodiment can be in elastic membrane 4 centers configuration balance weight body, and the quality m of described balance weight body is according to formula
Determine that described k is the elasticity coefficient k of elastic membrane 4, described f is a compressor fuselage shaking frequency f.
Oil supplying device is fixedly mounted on the Linearkompressor fuselage, and elastic membrane moving direction is consistent with compressor piston moving direction.
Working procedure during described elastic membrane 4 centers configuration balance weight body is: when the compressor fuselage vibrates left, the balance weight body at elastic membrane 4 centers moves right because of the inertial force effect drives elastic membrane, spatial volume in the cavity 31 of winning is increased, form negative pressure in first cavity 31, the first unidirectional oil sucting valve 8 is opened, the first unidirectional delivery valve 9 is closed, the lubricant oil of compressor case bottom enters in first cavity 31 through the first oil suction through hole, 6, the first unidirectional oil sucting valve 8 and the first oil suction groove 10 from first fuel sucking pipe 19; When the compressor fuselage moves right, the balance weight body at elastic membrane 4 centers drives elastic membrane to left movement because of the inertial force effect, spatial volume in the cavity 31 of winning is reduced, oil in first cavity 31 is under pressure, the first unidirectional delivery valve 9 is opened, the first unidirectional oil sucting valve 8 is closed, and lubricant oil enters each rubbing surface such as Linearkompressor cylinder by first fuel supply line 20 from first oil supply hole 11 again through the oil supply hole in the first unidirectional delivery valve 9, the blind groove 7 of first fuel feeding; The double vibrations of compressor fuselage drives elastic membrane and carries out double vibrations, makes oil supplying device can carry out fuel feeding reposefully.
This embodiment also can be connected with the moving element of compressor electric motor in elastic membrane 4 centers, and elastic membrane moves reciprocatingly by the drive of motor movement parts; At this moment, elastic membrane 4 centers are connected with the moving element of compressor electric motor; Its working procedure is: when the compressor electric motor moving element moves right, driving elastic membrane 4 by bindiny mechanism moves right, spatial volume in the cavity 31 of winning is increased, form negative pressure in first cavity 31, the first unidirectional oil sucting valve 8 is opened, the first unidirectional delivery valve 9 is closed, and the lubricant oil of compressor case bottom enters in first cavity 31 through the first oil suction through hole, 6, the first unidirectional oil sucting valve 8, the first oil suction groove 10 from first fuel sucking pipe 19; The compressor electric motor moving element is when left movement, drive elastic membrane 4 to left movement by bindiny mechanism, spatial volume in the cavity 31 of winning is reduced, oil in first cavity 31 is under pressure, the first unidirectional delivery valve 9 is opened, the first unidirectional oil sucting valve 8 is closed, lubricant oil is from first fuel supply line 11, through the first unidirectional delivery valve 9, oil supply hole in the blind groove 7 of first fuel feeding enters each rubbing surface such as Linearkompressor cylinder by first fuel supply line 20 again. and the to-and-fro motion of compressor electric motor drives elastic membrane by bindiny mechanism and carries out double vibrations, makes oil supplying device can carry out fuel feeding reposefully.
Fig. 2 is the utility model Linearkompressor oil supplying device (another embodiment's) structure and a principle schematic;
By
Scheme as can be known, the oil supply device for linear compressor that the utility model that the utility model provides provides except comprising embodiment's 1 described structure, also can further comprise the right end cap A2 that is covered on described second groove, the 5 bottom land outer surfaces;
The bottom land of described second groove 5 is provided with one second fuel feeding through hole 111 and one second oil suction groove 101; Described first end cap 1 is provided with blind groove 71 of second fuel feeding and the one second oil suction through hole 61 that an end opens wide;
The described second oil suction through hole 61 communicates with the described second oil suction groove 101; On the described second oil suction through hole 61 and the end face that the second oil suction groove 101 is connected the second unidirectional oil sucting valve 81 is housed; The described second unidirectional oil sucting valve 81 is opened to the direction near described second cavity 51;
The described second fuel feeding through hole 111 is connected with the blind groove 71 of second fuel feeding; On the described second fuel feeding through hole 111 and the end face that the blind groove 71 of second fuel feeding is connected the second unidirectional delivery valve 91 is housed; The described second unidirectional delivery valve 91 is opened to the direction away from described second cavity 51;
The blind groove 71 of described second fuel feeding is communicated with one second fuel supply line 201; The described second oil suction through hole 61 is communicated with one second fuel sucking pipe 191.
Described elastic membrane is by fluoroplastic, rubber or other composite and flexible material.
This embodiment can be in elastic membrane 4 centers configuration balance weight body, and the quality m of described balance weight body is according to formula
Determine that described k is the elasticity coefficient k of elastic membrane 4, described f is a compressor fuselage shaking frequency f.
Oil supplying device is fixedly mounted on the Linearkompressor fuselage, and elastic membrane moving direction is consistent with compressor piston moving direction.
Working procedure during described elastic membrane 4 centers configuration balance weight body is: when the compressor fuselage vibrates left, the balance weight body at elastic membrane 4 centers moves right because of the inertial force effect drives elastic membrane, spatial volume in the cavity 31 of winning is increased, form negative pressure in first cavity 31, the first unidirectional oil sucting valve 8 is opened, the first unidirectional delivery valve 9 is closed, the lubricant oil of compressor case bottom is from first fuel sucking pipe 19, through the first oil suction through hole 6, the first unidirectional oil sucting valve 8 and the first oil suction groove 10 enter in first cavity 31, spatial volume in second cavity 51 reduces simultaneously, oil in second cavity 51 is under pressure, the second unidirectional delivery valve 91 is opened, the second unidirectional oil sucting valve 81 is closed, lubricant oil is from second oil supply hole 111, through the second unidirectional delivery valve 91, oil supply hole in the blind groove of second fuel feeding 71 converges laggard each rubbing surface such as linear compressor cylinder of going into by second fuel supply line 201 and first fuel supply line 20 again; When the compressor fuselage moves right, the balance weight body at elastic membrane 4 centers drives elastic membrane to left movement because of the inertial force effect, spatial volume in the cavity 31 of winning is reduced, oil in first cavity 31 is under pressure, the first unidirectional delivery valve 9 is opened, the first unidirectional oil sucting valve 8 is closed, lubricant oil is from the first fuel feeding through hole 11, through the first unidirectional delivery valve 9, oil supply hole in the blind groove of first fuel feeding 7 converges laggard each rubbing surface such as linear compressor cylinder of going into by first fuel supply line 20 and second fuel supply line 201 again, spatial volume in second cavity 51 increases simultaneously, form negative pressure in second cavity 51, the second unidirectional oil sucting valve 81 is opened, the second unidirectional delivery valve 91 is closed, the lubricant oil of compressor case bottom is from second fuel sucking pipe 191, through the second oil suction through hole 61, the second unidirectional oil sucting valve 81 and the second oil suction groove 101 enter in second cavity 51. and the double vibrations of compressor fuselage drives elastic membrane and carries out double vibrations, makes oil supplying device can carry out fuel feeding reposefully.
This embodiment also can be connected with the moving element of compressor electric motor in elastic membrane 4 centers, and elastic membrane moves reciprocatingly by the drive of motor movement parts.
Working procedure when described elastic membrane 4 centers are connected with the moving element of compressor electric motor is: when the compressor electric motor moving element moves right, driving elastic membrane 4 by bindiny mechanism moves right, spatial volume in the cavity 31 of winning is increased, form negative pressure in first cavity 31, the first unidirectional oil sucting valve 8 is opened, the first unidirectional delivery valve 9 is closed, the lubricant oil of compressor case bottom is from first fuel sucking pipe 19, through the first oil suction through hole 6, the first unidirectional oil sucting valve 8 and the first oil suction groove 10 enter in first cavity 31, spatial volume in second cavity 51 reduces simultaneously, oil in second cavity 51 is under pressure, the second unidirectional delivery valve 91 is opened, the second unidirectional oil sucting valve 81 is closed, lubricant oil is from the second fuel feeding through hole 111, through the second unidirectional delivery valve 91, oil supply hole in the blind groove of second fuel feeding 71 converges laggard each rubbing surface such as linear compressor cylinder of going into by second fuel supply line 201 and first fuel supply line 20 again; When compressor electric motor moving element during to left movement, drive elastic membrane 4 to left movement by bindiny mechanism, spatial volume in the cavity 31 of winning is reduced, oil in first cavity 31 is under pressure, the first unidirectional delivery valve 9 is opened, the first unidirectional oil sucting valve 8 is closed, lubricant oil is from the first fuel feeding through hole 11, through the first unidirectional delivery valve 9, oil supply hole in the blind groove of first fuel feeding 7 converges laggard each rubbing surface such as linear compressor cylinder of going into by first fuel supply line 20 and second fuel supply line 201 again, spatial volume in second cavity 51 increases simultaneously, form negative pressure in second cavity 51, the second unidirectional oil sucting valve 81 is opened, the second unidirectional delivery valve 91 is closed, and the lubricant oil of compressor case bottom is from second fuel sucking pipe 191, through the second oil suction through hole 61, the second unidirectional oil sucting valve 81 and the second oil suction groove 101 enter in second cavity 51.The double vibrations of compressor fuselage drives elastic membrane and carries out double vibrations, makes oil supplying device can carry out fuel feeding reposefully.
Claims (2)
1. an oil supply device for linear compressor is characterized in that, comprising:
Mutually fasten and an elastic membrane (4) is installed between the two one first groove (3) and one second groove (5); With first end cap (A1) that is covered on described first groove (3) the bottom land outer surface;
Described first groove (3) surrounds first cavity (31) with described elastic membrane (4); Described second groove (5) surrounds second cavity (51) with described elastic membrane (4);
The bottom land of described first groove (3) is provided with one first fuel feeding through hole (11) and one first oil suction groove (10); Described first end cap (A1) is provided with blind groove of first fuel feeding (7) and the one first oil suction through hole (6) that an end opens wide;
The described first oil suction through hole (6) communicates with the described first oil suction groove (10); On the described first oil suction through hole (6) and the end face that the first oil suction groove (10) is connected the first unidirectional oil sucting valve (8) is housed; The described first unidirectional oil sucting valve (8) is opened to the direction near described first cavity (31);
The described first fuel feeding through hole (11) is connected with the blind groove of first fuel feeding (7); On the described first fuel feeding through hole (11) and the end face that the blind groove of first fuel feeding (7) is connected the first unidirectional delivery valve (9) is housed; The described first unidirectional delivery valve (9) is opened to the direction away from described first cavity (31);
The blind groove of described first fuel feeding (7) is communicated with one first fuel supply line (20); The described first oil suction through hole (6) is communicated with one first fuel sucking pipe (19);
Described elastic membrane (4) center is connected with the moving element of compressor electric motor; Perhaps in described elastic membrane (4) center configuration balance weight body, the quality m of described balance weight body is according to formula
Determine that described k is the elasticity coefficient k of elastic membrane (4), described f is a compressor fuselage shaking frequency f.
2. by the described oil supply device for linear compressor of claim 1, it is characterized in that, also comprise second end cap (A2) that is covered on described second groove (5) the bottom land outer surface;
The bottom land of described second groove (5) is provided with one second fuel feeding through hole (111) and one second oil suction groove (101); Described second end cap (A2) is provided with blind groove of second fuel feeding (71) and the one second oil suction through hole (61) that an end opens wide;
The described second oil suction through hole (61) communicates with the described second oil suction groove (101); On the described second oil suction through hole (61) and the end face that the second oil suction groove (101) is connected the second unidirectional oil sucting valve (81) is housed; The described second unidirectional oil sucting valve (81) is opened to the direction near described second cavity (51);
The described second fuel feeding through hole (111) is connected with the blind groove of second fuel feeding (71); On the described second fuel feeding through hole (111) and the end face that the blind groove of second fuel feeding (71) is connected the second unidirectional delivery valve (91) is housed; The described second unidirectional delivery valve (91) is opened to the direction away from described second cavity (51);
The blind groove of described second fuel feeding (71) is communicated with one second fuel supply line (201); The described second oil suction through hole (61) is communicated with one second fuel sucking pipe (191).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201078050U CN201461330U (en) | 2009-04-30 | 2009-04-30 | Oil supply device for linear compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201078050U CN201461330U (en) | 2009-04-30 | 2009-04-30 | Oil supply device for linear compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201461330U true CN201461330U (en) | 2010-05-12 |
Family
ID=42388684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201078050U Expired - Lifetime CN201461330U (en) | 2009-04-30 | 2009-04-30 | Oil supply device for linear compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201461330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876310B (en) * | 2009-04-30 | 2012-06-13 | 中国科学院理化技术研究所 | Oil supply device for linear compressor |
-
2009
- 2009-04-30 CN CN2009201078050U patent/CN201461330U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876310B (en) * | 2009-04-30 | 2012-06-13 | 中国科学院理化技术研究所 | Oil supply device for linear 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: 20100512 Effective date of abandoning: 20090430 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090430 |