CN2683903Y - Discharge capacity variable rolling rotor type compressor - Google Patents
Discharge capacity variable rolling rotor type compressor Download PDFInfo
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- CN2683903Y CN2683903Y CN 200420024887 CN200420024887U CN2683903Y CN 2683903 Y CN2683903 Y CN 2683903Y CN 200420024887 CN200420024887 CN 200420024887 CN 200420024887 U CN200420024887 U CN 200420024887U CN 2683903 Y CN2683903 Y CN 2683903Y
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Abstract
The utility model discloses a discharge capacity variable rolling rotor type compressor utilizing a machine controller instead of the frequency conversion control. A motor (15) and an air cylinder (12) are installed in a shell (14); a crankshaft (8) connected with the motor (15) is extended into the air cylinder (12); an upper flange (4) and a lower flange (9) are installed on the air cylinder (12); a roller (13) is positioned in the air cylinder (12) and is sheathed over the crankshaft (8); one end of the gleithretter (5) installed in the slot of the air cylinder (12) is contacted with the return spring, and the other end is contacted with the roller (13). The utility model is characterized in that the gleithretter (5) is provided with a location jack (18); one end of the plug-pin (19) is inserted in a location jack (18), and the other end sheathed with a return spring (6) is contacted with the core of the electromagnet (7); the utility model is also characterized in that the electromagnet (7) for stopping or recovering push force of the return spring (11) to the gleithretter (5) is installed on the lower flange (9), the upper flange (4), the lower cover (10), the shell (14), the stator of the motor (15) or the air cylinder (12).
Description
Technical field
The utility model relates to a kind of rolling rotor type compressor, specifically a kind of variable displacement rolling rotor type compressor.
Background technique
The employed rolling rotor type compressor of room air conditioner all is the fixed displacement compressor at present, and promptly compressor whenever circles, and all has gas to discharge, if directly by mains-supplied, promptly compressor rotary speed is about 2800rpm (commentaries on classics of per minute kind).This type of air conditioner is contained in the house, and temperature fluctuation is big, and human comfort is poor, because high frequent starts, and power consumption is big, noise is big simultaneously; In order to overcome above-mentioned shortcoming, often adopt VFC at present, so, increased cost, reduced reliability, simultaneously,, will produce higher harmonics if handle badly, influence power grid quality.
Summary of the invention
The purpose of this utility model provides a kind of variable displacement rolling rotor type compressor that utilizes machine control unit to substitute VFC.
Technical solution of the present utility model is:
A kind of variable displacement rolling rotor type compressor, comprise housing 14, loam cake 16, lower cover 10, loam cake 16, lower cover 10 links to each other with the two ends of housing 14 respectively, motor 15 and cylinder 12 are installed in the housing 14, bent axle 8 links to each other with motor 15, and extend in the cylinder 12, bent axle 8 rotates under motor 15 drives, upper flange 4, lower flange 9 is installed on the cylinder 12, roller 13 is arranged in cylinder 12 and is sleeved on the bent axle 8, bent axle 8 driven rollers 13 are made eccentric motion in cylinder 12, roller 13 is discharged by being compressed to little back greatly the refrigerant gas volume that enters in the cylinder 12 from relief opening, slide plate 5 is installed in the vane slot in the cylinder 12, one end and the Returnning spring 11 of slide plate 5 offset, the other end contacts with roller 13, slide plate 5 is progressively slided back in the vane slot under the effect of roller 13 during work, when roller 13 will leave slide plate 5, slide plate 5 keeps contacting with roller 12 under the effect of Returnning spring, thereby cylinder 12 is divided into zone of high pressure and low pressure area, the suction port of cylinder 12 links to each other with source of the gas by liquor separator 3, the relief opening of cylinder 12 links to each other with air-conditioning condenser by pipeline, it is characterized in that on slide plate 5, being provided with positioning jack 18, one end of latch 19 inserts in the positioning jack 18, and the other end is with Returnning spring 6 and offsets with the iron core of electromagnet 7.The effect of spring 6 is to guarantee that latch 19 can withdraw from from positioning jack 18, thereby guarantees that compression function of the present utility model is with fixed displacement work when electromagnet 7 outages or damage.
Positioning jack 18 on the slide plate 5 of the present utility model can be positioned on slide plate 5 and the lower flange 9 contacted lower sides, this moment, electromagnet 7 can be installed on the lower flange 9, had the through hole that latch 19 and Returnning spring 6 are installed with positioning jack 18 opposite position places on the lower flange 9.
When the positioning jack 18 on the slide plate 5 of the present utility model is positioned on slide plate 5 and the lower flange 9 contacted lower sides, electromagnet 7 also can be installed on the lower cover 10, has the through hole that latch 19 and Returnning spring 6 are installed with positioning jack 18 opposite position places on the lower flange 9.
When the positioning jack 18 on the slide plate 5 of the present utility model is positioned on slide plate 5 and the lower flange 9 contacted lower sides, electromagnet 7 also can be installed on the housing 14, has the through hole that latch 19 and Returnning spring 6 are installed with positioning jack 18 opposite position places on the lower flange 9.
When the positioning jack 18 on the slide plate 5 of the present utility model is positioned on slide plate 5 and the lower flange 9 contacted lower sides, electromagnet 7 also can be installed on the cylinder 12, has the through hole that latch 19 and Returnning spring 6 are installed with positioning jack 18 opposite position places on the lower flange 9.
Positioning jack 18 on the slide plate 5 of the present utility model is positioned at slide plate 5 and upper flange 4 contacted upper side edges, at this moment, electromagnet 7 can be installed in the stator or the housing 14 of upper flange 4 upper and lower covers 10, cylinder 12, motor 15, has the through hole that latch 19 and Returnning spring 6 are installed with positioning jack 18 opposite position places on the upper flange 4.
Positioning jack 18 on the slide plate 5 of the present utility model also can be positioned on slide plate 5 and the cylinder 12 casing wall opposed side edges, at this moment, electromagnet 7 can be installed on the stator or housing 14 of cylinder 12, lower flange 9, upper flange 4, lower cover 10, motor 15, has the through hole that latch 19 and Returnning spring 6 are installed with positioning jack 18 opposite position places on the cylinder 12.
Above-mentioned electromagnet 7 can be embedded in the stator of motor 15 with the line 2 of external power supply.
The utility model also can be taked the technical solution of following equivalence:
A kind of variable displacement rolling rotor type compressor, comprise housing 14, loam cake 16, lower cover 10, loam cake 16, lower cover 10 links to each other with the two ends of housing 14 respectively, motor 15 and cylinder 12 are installed in the housing 14, bent axle 8 links to each other with motor 15, and extend in the cylinder 12, bent axle 8 rotates under motor 15 drives, upper flange 4, lower flange 9 is installed on the cylinder 12, roller 13 is arranged in cylinder 12 and is sleeved on the bent axle 8, bent axle 8 driven rollers 13 are made eccentric motion in cylinder 12, roller 13 is discharged by being compressed to little back greatly the refrigerant gas volume that enters in the cylinder 12 from relief opening, slide plate 5 is installed in the vane slot in the cylinder 12, one end and the Returnning spring 11 of slide plate 5 offset, the other end contacts with roller 13, slide plate 5 is progressively slided back in the vane slot under the effect of roller 13 during work, when roller 13 will leave slide plate 5, slide plate 5 keeps contacting with roller 12 under the effect of Returnning spring, thereby cylinder 12 is divided into zone of high pressure and low pressure area, the suction port of cylinder 12 links to each other with source of the gas by liquor separator 3, the relief opening of cylinder 12 links to each other with air-conditioning condenser by pipeline, its feature is at lower flange 9, upper flange 4, lower cover 10, housing 14, the electromagnet 7 of the thrust that can cut off or recover 11 pairs of slide plates 5 of Returnning spring is installed on the stator of motor 15 or the cylinder 12, thereby realize that compressor is in operation process, backing down Returnning spring 11 when electromagnet 7 energisings makes compressor not have the gas discharge, when electromagnet 7 outages, Returnning spring 11 resets, and compressor has gas to discharge.
The beneficial effects of the utility model:
The control of discharge capacity when 1, utilizing simple mechanical control method to realize rolling rotor type compressor work, make it to become the variable displacement rolling rotor type compressor, the variable-frequency type variable displacement rolling rotor type compressor of alternative existing complex structure, cost height, poor reliability, and it is simple in structure, good manufacturability, cost of production is low, saving power.
2, overcome the problem for realizing that the control of change discharge capacity frequently makes compression start in the prior art, can prolong the working life of compressor, the higher harmonics of generation is to the interference of electrical network when having avoided the high frequent starting.Help power grid security and household electricity safety, can not produce harmful effect other electrical equipment.
3, the switching electric control mode of electromagnet is easy to realize, can realize compatibility with existing air-conditioner control system.If utilize fuzzy theory that the control system of air-conditioning is optimized design, then refrigeration (heat) effect is better, and the wave properties control of room temperature is more accurate, and the operating life of compressor can further prolong.
Description of drawings
Fig. 1 is one of the utility model structural representation.
Fig. 2 is the local structure for amplifying schematic representation of Fig. 1.
Fig. 3 is the structural representation of electromagnet 7 of the present utility model slide plate 5 when being installed on the lower flange 9.
Fig. 4 is two of the utility model structural representation.
Fig. 5 is the local structure for amplifying schematic representation of Fig. 4.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Embodiment one.
As shown in Figure 1.A kind of variable displacement rolling rotor type compressor, comprise slide plate 5, spring 6, electromagnet 7, latch 18, connector assembly 1, lead-in wire 2, liquor separator 3, upper flange 4, bent axle 8, lower flange 9, bonnet 10, cylinder 12, roller 13, housing 14, motor 15, loam cake 16, motor wiring terminal 17, wiring terminal 1 links to each other with the air-conditioning electric controller, wiring terminal 1 is to link to each other with loam cake 16 with the wiring terminal 17 of motor 15, can improve reliability, simplify assembly technology; The lead that connects electromagnet 7 and wiring terminal 1 is embedded in the motor 15, is convenient to produce assembling; Loam cake 16, lower cover 10 links to each other with the two ends of housing 14 respectively, motor 15 and cylinder 12 are installed in the housing 14, bent axle 8 links to each other with motor 15, and extend in the cylinder 12, bent axle 8 rotates under motor 15 drives, upper flange 4, lower flange 9 is installed on the cylinder 12, roller 13 is arranged in cylinder 12 and is sleeved on the bent axle 8, bent axle 8 driven rollers 13 are made eccentric motion in cylinder 12, roller 13 is discharged by being compressed to little back greatly the refrigerant gas volume that enters in the cylinder 12 from relief opening, slide plate 5 is installed in the vane slot in the cylinder 12, one end and the Returnning spring of slide plate 5 offset, the other end contacts with roller 13, slide plate 5 is progressively slided back in the vane slot under the effect of roller 13 during work, when roller 13 will leave slide plate 5, slide plate 5 keeps contacting with roller 12 under the effect of Returnning spring 11, thereby cylinder 12 is divided into zone of high pressure and low pressure area, the suction port of cylinder 12 links to each other with source of the gas by liquor separator 3, the relief opening of cylinder 12 links to each other with air-conditioning condenser by pipeline, on slide plate 5 and lower flange 9 contacted lower sides, be provided with positioning jack 18, electromagnet 7 is installed on the lower flange 9, have the through hole slide plate 5 that latch 19 and Returnning spring 6 are installed with positioning jack 18 opposite position places on the lower flange 9, one end of latch 19 inserts in the positioning jack 18, and the other end is with Returnning spring 6 and offsets with the iron core of electromagnet 7.When automatical control system detects room temperature low excessively (during refrigeration) or too high (when heating); connect electromagnet 7; iron core on the electromagnet 7 overcomes the active force of spring 6; when the position of latch 19 is arrived in the positioning hole slippage on the slide plate 5; in the positioning jack 18 that latch 19 inserts on the slide plate 5; slide plate 5 can not be slided; thereby the zone of high pressure in the cylinder 12 is communicated with low pressure area; the relief opening of compressor does not have pressurized gas output; air-conditioning condenser and evaporator stops operation, and then room temperature is raise or reduce, and motor this moment low load operation still; compressor crank shaft 8 still rotates with constant speed; really do not shut down, can not exert an influence, when automatical control system detects room temperature too high (during refrigeration) or low excessively (when heating) electrical network; automatical control system will make electromagnet 7 outages; latch 19 leaves positioning jack 18 under the effect of spring 6, slide plate 5 proper functioning make the zone of high pressure in the cylinder 12 separate with low pressure area; compressor is with delivery work, reduction that room temperature will be pursued or rising.So the effect of spring 6 is to guarantee that latch 19 can withdraw from from positioning jack 18, thereby guarantees that compression function of the present utility model is with fixed displacement work when electromagnet 7 outages or damage.
During concrete enforcement, positioning jack 18 on the slide plate 5 can be positioned on slide plate 5 and the lower flange 9 contacted lower sides (as shown in Figure 3), this moment, electromagnet 7 can be installed on lower flange 9, lower cover 10, cylinder 12 or the housing 14, had the through hole that latch 19 and Returnning spring 6 are installed at lower flange 9 with positioning jack 18 opposite position places.Electromagnet 7 can be embedded in the stator of motor 15 with the line 2 of external power supply.
During concrete enforcement, positioning jack 18 on the slide plate 5 also can be positioned on slide plate 5 and the upper flange 4 contacted upper side edges, at this moment, electromagnet 7 can be installed on the stator or housing 14 of upper flange 4, cylinder 12, motor 15, has the through hole that latch 19 and Returnning spring 6 are installed with positioning jack 18 opposite position places on the upper flange 4.Electromagnet 7 also can be embedded in the stator of motor 15 with the line 2 of external power supply.
During concrete enforcement, positioning jack 18 on the slide plate 5 also can be positioned on slide plate 5 dual-side relative with cylinder 12 casing walls, at this moment, electromagnet 7 can be installed on the stator or housing 14 of cylinder 12, lower flange 9, upper flange 4, lower cover 10, motor 15, has the through hole that latch 19 and Returnning spring 6 are installed with positioning jack 18 opposite position places on the cylinder 12.Electromagnet 7 can be embedded in the stator of motor 15 with the line 2 of external power supply.
Embodiment two.
As shown in Figure 2.A kind of variable displacement rolling rotor type compressor, comprise slide plate 5, spring 6, electromagnet 7, latch 18, connector assembly 1, lead-in wire 2, liquor separator 3, upper flange 4, bent axle 8, lower flange 9, bonnet 10, cylinder 12, roller 13, housing 14, motor 15, loam cake 16, motor wiring terminal 17, wiring terminal 1 links to each other with the air-conditioning electric controller, wiring terminal 1 is to link to each other with loam cake 16 with the wiring terminal 17 of motor 15, can improve reliability, simplify assembly technology; The lead that connects electromagnet 7 and wiring terminal 1 is embedded in the motor 15, is convenient to produce assembling; Loam cake 16, lower cover 10 links to each other with the two ends of housing 14 respectively, motor 15 and cylinder 12 are installed in the housing 14, bent axle 8 links to each other with motor 15, and extend in the cylinder 12, bent axle 8 rotates under motor 15 drives, upper flange 4, lower flange 9 is installed on the cylinder 12, roller 13 is arranged in cylinder 12 and is sleeved on the bent axle 8, bent axle 8 driven rollers 13 are made eccentric motion in cylinder 12, roller 13 is discharged by being compressed to little back greatly the refrigerant gas volume that enters in the cylinder 12 from relief opening, slide plate 5 is installed in the vane slot in the cylinder 12, one end and the Returnning spring 11 of slide plate 5 offset, the other end contacts with roller 13, slide plate 5 is progressively slided back in the vane slot under the effect of roller 13 during work, when roller 13 will leave slide plate 5, slide plate 5 keeps contacting with roller 12 under the effect of Returnning spring 11, thereby cylinder 12 is divided into zone of high pressure and low pressure area, the suction port of cylinder 12 links to each other with source of the gas by liquor separator 3, the relief opening of cylinder 12 links to each other with air-conditioning condenser by pipeline, slide plate 5 offsets with Returnning spring 11, and Returnning spring 11 links to each other with electromagnet 7 on being installed in lower flange 9.When automatical control system detects room temperature low excessively (during refrigeration) or too high (when heating); connect electromagnet 7; electromagnet 7 promotes Returnning spring 11 and is separated with slide plate 5, thereby slide plate 5 and roller 13 are separated, and exhaust outlet of compressor does not have pressed gas output; realized no discharge capacity work; thereby adjusting room temperature, and motor this moment low load operation still, compressor crank shaft 8 still rotates with constant speed; really do not shut down, can not exert an influence electrical network.When automatical control system detects room temperature too high (during refrigeration) or low excessively (when heating), automatical control system will make electromagnet 7 outages, and Returnning spring 11 resets, and slide plate 5 proper functioning make the zone of high pressure in the cylinder 12 separate with low pressure area, and compressor is with delivery work.During concrete enforcement, electromagnet 7 also can be installed on the stator or housing 14 of upper flange 4, lower flange 9, cylinder 12, lower cover 10, motor 15.Electromagnet 7 can be embedded in the stator of motor 15 with the line 2 of external power supply.
Below in conjunction with embodiment one and working procedure thereof the utility model is further described.The electric controller of air-conditioning is differentiated data such as detected indoor and outdoor surroundings temperature, condenser temperature, evaporator temperature, the setting temperature difference, intensification and cooling rate, when needs air-conditioning system refrigeration (or heating), withdraw from electromagnet 7 outages, the positioning jack 18 of latch 19 from slide plate 5, slide plate 5 is back and forth movement under the effect of Returnning spring 11 and roller 13, slide plate 5 is permanently connected to roller 13, cylinder 12 is separated out zone of high pressure and low pressure area, compressor can pressurized gas, pressurized gas are discharged from relief opening, thereby make air-conditioning system refrigeration (or heating); When not needing air-conditioning system refrigeration (or heating), the air-conditioning electric controller is given in the positioning jack 18 that electromagnet 7 is switched on, latch 19 inserts on the slide plates 5, slide plate 5 can not be permanently connected to roller 13, cylinder 12 can't form zone of high pressure and low pressure area, compressor can not pressurized gas, thereby air-conditioning system stops refrigeration (or heating).By changing the power on/off dutycycle of electromagnet, can change the air displacement of compressor in the unit time.
Claims (6)
1, a kind of variable displacement rolling rotor type compressor, comprise housing (14), loam cake (16), lower cover (10), loam cake (16), lower cover (10) links to each other with the two ends of housing (14) respectively, motor (15) and cylinder (12) are installed in the housing (14), bent axle (8) links to each other with motor (15), and extend in the cylinder (12), upper flange (4), lower flange (9) is installed on the cylinder (12), roller (13) is arranged in cylinder (12) and is sleeved on the bent axle (8), slide plate (5) is installed in the vane slot in the cylinder (12), one end of slide plate (5) and Returnning spring (11) offset, the other end contacts with roller (13), slide plate (5) is divided into zone of high pressure and low pressure area with cylinder (12), the suction port of cylinder (12) links to each other with source of the gas by liquor separator (3), the relief opening of cylinder (12) links to each other with air-conditioning condenser by pipeline, it is characterized in that on slide plate (5), being provided with positioning jack (18), one end of latch (19) inserts in the positioning jack (18), and the other end is with Returnning spring (6) and offsets with the iron core of electromagnet (7).
2, variable displacement rolling rotor type compressor according to claim 1, it is characterized in that the positioning jack (18) on the slide plate (5) is positioned on slide plate (5) and the contacted lower side of lower flange (9), electromagnet (7) is installed on lower flange (9), cylinder (12), lower cover (10) or the housing (14), and lower flange (9) is gone up and positioning jack (18) opposite position place has the through hole that latch (19) and Returnning spring (6) are installed.
3, variable displacement rolling rotor type compressor according to claim 1, it is characterized in that the positioning jack (18) on the slide plate (5) is positioned on slide plate (5) and the contacted upper side edge of upper flange (4), electromagnet (7) is installed on the stator or housing (14) of upper flange (4), cylinder (12), motor (15), and upper flange (4) is gone up and positioning jack (18) opposite position place has the through hole that latch (19) and Returnning spring (6) are installed.
4, variable displacement rolling rotor type compressor according to claim 1, it is characterized in that the positioning jack (18) on the slide plate (5) is positioned on slide plate (5) and cylinder (12) the casing wall opposed side edges, electromagnet (7) is installed on the stator or housing (14) of cylinder (12), lower flange (9), upper flange (4), lower cover (10), motor (15), and cylinder (12) is gone up and positioning jack (18) opposite position place has the through hole that latch (19) and Returnning spring (6) are installed.
5, a kind of variable displacement rolling rotor type compressor, comprise housing (14), loam cake (16), lower cover (10), loam cake (16), lower cover (10) links to each other with the two ends of housing (14) respectively, motor (15) and cylinder (12) are installed in the housing (14), bent axle (8) links to each other with motor (15), and extend in the cylinder (12), upper flange (4), lower flange (9) is installed on the cylinder (12), roller (13) is arranged in cylinder (12) and is sleeved on the bent axle (8), slide plate (5) is installed in the vane slot in the cylinder (12), one end of slide plate (5) and Returnning spring (11) offset, the other end contacts with roller (13), slide plate (5) is divided into zone of high pressure and low pressure area with cylinder (12), the suction port of cylinder (12) links to each other with source of the gas by liquor separator (3), the relief opening of cylinder (12) links to each other with air-conditioning condenser by pipeline, and its feature is in lower flange (9), upper flange (4), lower cover (10), housing (14), be equipped with on the stator of motor (15) or the cylinder (12) and can cut off or recover the electromagnet (7) of Returnning spring (11) the thrust of slide plate (5).
6, variable displacement rolling rotor type compressor according to claim 1 or 5 is characterized in that the electromagnet (7) and the line (2) of external power supply are embedded in the stator of motor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420024887 CN2683903Y (en) | 2004-02-23 | 2004-02-23 | Discharge capacity variable rolling rotor type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420024887 CN2683903Y (en) | 2004-02-23 | 2004-02-23 | Discharge capacity variable rolling rotor type compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2683903Y true CN2683903Y (en) | 2005-03-09 |
Family
ID=34606963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420024887 Expired - Fee Related CN2683903Y (en) | 2004-02-23 | 2004-02-23 | Discharge capacity variable rolling rotor type compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2683903Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536824A (en) * | 2010-12-17 | 2012-07-04 | 广东美芝制冷设备有限公司 | Rolling rotor compressor |
| CN105402127A (en) * | 2014-08-21 | 2016-03-16 | 洛阳中方实业有限公司 | Refrigeration compressor |
| CN105422450A (en) * | 2015-12-07 | 2016-03-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and control method for reducing leakage and abrasion of compressor |
| CN105485012A (en) * | 2016-01-11 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor and variable-capacitance control method thereof |
| CN110319007A (en) * | 2019-08-12 | 2019-10-11 | 珠海凌达压缩机有限公司 | Cylinder, compressor and air conditioner |
-
2004
- 2004-02-23 CN CN 200420024887 patent/CN2683903Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536824A (en) * | 2010-12-17 | 2012-07-04 | 广东美芝制冷设备有限公司 | Rolling rotor compressor |
| CN105402127A (en) * | 2014-08-21 | 2016-03-16 | 洛阳中方实业有限公司 | Refrigeration compressor |
| CN105422450A (en) * | 2015-12-07 | 2016-03-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and control method for reducing leakage and abrasion of compressor |
| CN105485012A (en) * | 2016-01-11 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor and variable-capacitance control method thereof |
| CN110319007A (en) * | 2019-08-12 | 2019-10-11 | 珠海凌达压缩机有限公司 | Cylinder, compressor and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |