CN104145116B - There is the compressor of pumping components - Google Patents
There is the compressor of pumping components Download PDFInfo
- Publication number
- CN104145116B CN104145116B CN201280065363.2A CN201280065363A CN104145116B CN 104145116 B CN104145116 B CN 104145116B CN 201280065363 A CN201280065363 A CN 201280065363A CN 104145116 B CN104145116 B CN 104145116B
- Authority
- CN
- China
- Prior art keywords
- pumping components
- foot
- motion
- bent axle
- motion portion
- 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 - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0238—Hermetic compressors with oil distribution channels
- F04B39/0246—Hermetic compressors with oil distribution channels in the rotating shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
- F04B39/0261—Hermetic compressors with an auxiliary oil pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention relates to a kind of compressor (1), including：Housing (2), is provided with the oil of lubricating movement part in housing (2)；Main body (3) in housing (2)；At least two foots (4), main body (3) is arranged in foot (4)；Connect the support member (5,105) of Liang Ge foot (4)；Motor (6) in main body (3)；Bent axle (7), the motion of motor (6) is transferred to piston by it, and has opening (8), and opening (8) extends to upper end from the lower end of bent axle；And pumping components (9), pumping components (9) provide the lower end that will be delivered to the oil of other moving components and be located at bent axle (7), so that one end of pumping components (9) is entered in opening (8) and the other end enters the oily interior, thus improving lubricating efficiency of the bottom of housing (2).
Description
Technical field
The present invention relates to a kind of hermetic compressor with pumping components, its lubricating efficiency is enhanced.
Background technology
In reciprocating hermetic compressor used in refrigeration machine, sliding bearing and other moving components are by being arranged at compression
Lubricating, wherein bent axle operates in sliding bearing oil in casing body.Within the compressor, lubrication reduces rubbing of moving component
Wear mistake, prevent abrasion and reduce temperature by removing the heat on compressor part.In compressor lubrication system, housing
The oil of bottom is extracted, to be delivered to the bearing needing lubrication and compressor part.In general, made using the rotation of bent axle
The oil of housing bottom is delivered to bearing by the centrifugal force being used on oil.
In capacity variable type compressor used in refrigeration machine, by changing compressor rotary speed, provide according to operation bar
The refrigerating capacity of part change.In order to convey required oil in the case of compressor motor low-speed running, immerse to oil in bent axle
The interior cylindrical pumping components of lower end setting, it has screw type oil delivery chute.This pumping components is in the way of concentric with bent axle
It is arranged on the rotation axiss of bent axle.It is arranged in the lubricating efficiency that the pumping components extending inside bent axle increased compressor.
Increase with the eccentricity between pumping components and the axis of bent axle, lubricating efficiency reduces it is impossible to moving component (such as piston
Bar-crank-pin, piston-cylinder) the sufficient oil of conveying.
In some compressors of the prior art, pumping components are manufactured into the foot's one with main body.This direct
In the manufacture process of the impact part with respect to the position of bent axle for the pumping components, only allow the tolerance of very little.However, ought only will take out
Oily part put in when the midpoint of foot, sometimes produce problem.Therefore, the Axial eccentricity ratio between bent axle and pumping components increases
Plus, this leads to lubricating efficiency to decline.In the case that pumping components contact the inner surface of bent axle, compressor wasted power, and
Also wear and tear pumping components.The granule departing from from pumping components damages compressor, and sometimes even so that compressor shutdown.Additionally,
Even if bent axle and pumping components are suitably neutralized in an assembling process, the vibration producing during compressor operation also results in axle
To eccentricity.
In the american documentation literature US6716001 of prior art, describe a kind of compressor, it is included positioned at main body
Two bracing frames between diagonal foot and the pumping components being located at two bracing frame cross points.
In the international patent application WO03012297 document of prior art, describe a kind of compressor, it includes taking out
Compliant member at oily feature bottom.Due to the structure at its bottom, pumping components can move inside bent axle.In this embodiment party
In formula, also there is the part preventing pumping components rotation.
Content of the invention
The purpose of the present invention is by operating pumping components and bent axle with one heart, realizing the compression that a kind of greasy property is improved
Machine.
Compressor illustrating in technical scheme 1 and each subordinate technical scheme, realizing to reach the object of the invention
At least one support member including at least two foots connecting main body.Support member have the stationary part being connected with foot and
Motion portion with respect to stationary part motion.When compressor operation, bent axle is rotated together with motor, but pumping components keep quiet
Only.Pumping components, due to connected motion portion, bear the centripetal force that bent axle is subject to due to rotary motion, and are being moved through
Keep concentric with bent axle in journey.This makes pumping components extract more heavy wool within the unit interval and direct it to other motion portions
Part.
In an embodiment of the invention, main body is located in four foots.Foot is located at the angle of rectangle, and square
The side of shape substantially equal length.The central point of four foots is located at identical vertical direction with the opening being provided with pumping components.
In an embodiment of the invention, stationary part is formed as connecting the flat rod of Liang Ge foot.In stationary part peace
Before being contained in foot, by the groove positioned at motion portion center, motion portion is arranged on stationary part.Afterwards, with motion portion group
The stationary part closed is arranged in foot.In this embodiment, motion portion moves on stationary part and along stationary part.
In another embodiment of the present invention, stationary part includes two hollow arm, and two hollow arm are from court of Liang Ge foot
Extend each other, not contact each other.On the other hand, motion portion includes adapter and two legs located at its both sides.Leg
It is arranged in arm and move thus moving forward and backward and make the direction that adapter connects along them between foot.In motor process
In, when a leg enters in an arm, another arm is left in another leg.
In an embodiment of the invention, support member extends between two foots diagonally arranging each other.
In this embodiment, pumping components are located immediately in motion portion and are moved on stationary part together with motion portion.Due to logical
Cross the oil that pumping components receive from housing and be also transported to motion portion, therefore motion portion can be easily sliding on stationary part
Dynamic.
In another embodiment of the present invention, support member connects two adjacent foots.In this embodiment, take out
Oily part is arranged in motion portion by connecting rod.Because pumping components are not provided with the supporting member, therefore less load effect
On the supporting member.
In an embodiment of the invention, connecting rod is as the bridge between motion portion and pumping components, and is shortened by
And elongation, so that the distance between motion portion and pumping components is changed.Thus, pumping components are in two sides being generally perpendicular to each other
Move upwards, thereby increase kinematic accuracy.
In an embodiment of the invention, compressor includes extension, and it is arranged on pumping components by one end
And the other end is arranged on connecting rod, to connect pumping components and connecting rod.Height is provided between the part that extension is connected at it
Degree is poor.Correspondingly, pumping components are located at relatively low height with respect to connecting rod.Pumping components, closer to oil meter face, increase its profit
Slip energy.
In an embodiment of the invention, connecting rod is made up of elastomeric material.Thus, the oscillating movement on vertical direction
Also absorbed, and be prevented from pumping components and contacted with bent axle.
In an embodiment of the invention, the spiral extending along pumping components is provided with the outer surface of pumping components
Recess.Oil, by moving in these recesses, moves up in pumping components, and towards other motions after leaving pumping components
Part moves.
By the present invention it is therefore prevented that during compressor operation, producing axially eccentric between pumping components and bent axle, and have
Achieve greasing to effect.
Brief description
The compressor realized to reach the object of the invention represents in the accompanying drawings, wherein,
Fig. 1 is the partial view of compressor.
Fig. 2 is the axonometric chart of main body and foot.
Fig. 3 is the support member that one embodiment of the present invention is related to, the decomposition view of pumping components and foot.
Fig. 4 is the support member that one embodiment of the present invention is related to, the axonometric chart of pumping components and foot.
Fig. 5 is the support member that another embodiment of the present invention is related to, the axonometric chart of pumping components and foot.
Fig. 6 is the support member that another embodiment of the present invention is related to, pumping components, connecting rod, extension and foot vertical
Body figure.
Fig. 7 is the support member that another embodiment of the present invention is related to, pumping components, connecting rod, extension and foot vertical
Body figure.
Fig. 8 is support member, pumping components, connecting rod, extension, main body and the foot that another embodiment of the present invention is related to
Axonometric chart.
Element number shown in accompanying drawing is as follows：
1 compressor
2 housings
3 main bodys
4 foots
5,105 support members
6 motors
7 bent axles
8 openings
9 pumping components
10,110 stationary part
11,111 motion portions
12 grooves
13 arms
14 adapters
15 legs
16 connecting rods
17 extensions.
Specific embodiment
Compressor (1) includes：Housing (2), is provided with the oil of lubricating movement part in housing (2)；Master in housing (2)
Body 3；At least two foots (4), main body (3) is arranged in foot (4)；Connect the support member (5,105) of Liang Ge foot (4)；
Motor (6) in main body (3)；Bent axle (7), the motion of motor (6) is transferred to piston by it, and has opening (8), opening
(8) extend to upper end from the lower end of bent axle；And pumping components (9), pumping components (9) provide to be delivered to other moving components
Oil and be located at the lower end of bent axle (7) so that one end of pumping components (9) enters in opening (8) and the other end enters housing
(2) in the oil of bottom (Fig. 1).
With the operating of compressor (1), the rotor with the motor (6) of rotor and stator starts to rotate, and is moved
It is transferred to bent axle (7).Rely on the rotating speed of bent axle (7), the oil of bent axle (7) bottom moves under the action of the centrifugal, and pass through opening (8)
Deliver in bent axle (7).Pumping components (9) from the lower end of bent axle (7) be arranged at bent axle (7) so that pumping components (9) at least
A part suspends downwards from bent axle (7), and pumping components (9) enter so that receiving more heavy wool closer to oil meter face than bent axle (7)
Enter in bent axle (7) and convey oil to the point of bent axle (7) internal upper part.
In the compressor (1) of the present invention, support member (5,105) includes being connected to the stationary part of Liang Ge foot (4)
(10,110), and motion portion (11,111), pumping components (9) are connected in motion portion, and motion portion (11,111) are in stationary part
Move along the line connecting foot (4) on (10,110).Motion portion (11,111) is along the line between Liang Ge foot (4) two sides
All removable upwards.When bent axle (7) rotates, the pumping components (9) connecting with motion portion (11,111) are subject to centripetal force, and
Due to the motion of motion portion (11,111) and displacement, thus balancing these power.Thus, during bent axle (7) rotates, pumping components
(9) can be concentric with bent axle (7) all the time, thereby, it is possible to prevent greasy property decline (accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, attached
Fig. 7, accompanying drawing 8).
In an embodiment of the invention, compressor (1) includes four foots (4), and this four foots (4) form square
Shape is so that the projection of opening (8) is located at rectangular centre.In this embodiment, the central point of support member (5,105) is substantially
It is in same vertical height with opening (8).
In an embodiment of the invention, support member (5,105) includes being continuously connected the quiet of Liang Ge foot (4)
Stop (10) and the motion portion (11) with groove (12), groove (12) is located at the center in motion portion (11), so that motion portion (11)
It is slidably mounted in stationary part (10).In this embodiment, after motion portion (11) are arranged on stationary part (10), static
Portion (10) is arranged in foot (4).After stationary part (10) is arranged in foot (4), motion portion (11) can not be with stationary part
(10) separate, and on stationary part (10), linearly move (accompanying drawing 3, accompanying drawing 4, accompanying drawing 6).
In another embodiment of the present invention, support member (5,105) includes thering is the static of two hollow arm (13)
Portion (110) and motion portion (111), hollow arm (113) extends towards each other from Liang Ge foot (4), and motion portion (111) have adapter
(14) and two legs (15), the one end of each leg (15) is fixed to one end of adapter (14), and each leg (15)
The other end is arranged in each arm (13), thus carrying out stretching motion together with arm (13).In this embodiment, leg (15)
Move forward and backward in arm (13) and make adapter (14) change position between foot (4).By leg (15) and arm (13)
Stretching structure, increased the kinematic accuracy of the pumping components (9) being connected with adapter (14).Thus, pumping components are reduced
(9) Axial eccentricity ratio and bent axle (7) between (accompanying drawing 5, accompanying drawing 7, accompanying drawing 8).
In an embodiment of the invention, support member (5) connects two diagonal foots (4).In this embodiment party
In formula, pumping components (9) are arranged in motion portion (11,111).In this embodiment, motion portion (11,111) conduct makes to take out
The wheel that oily part (9) is moved on stationary part (10,110).In a kind of mode preferably, pumping components (9) with
Motion portion (11,111) makes together, thus easy to manufacture (accompanying drawing 3, accompanying drawing 4, accompanying drawing 5).
In another embodiment of the present invention, support member (105) connects two adjacent foots (4).In this enforcement
In mode, compressor (1) includes connecting the connecting rod (16) of motion portion (11,111) and pumping components (9).This connecting rod (16) is from fortune
Dynamic portion (11,111) extends towards the height of opening (8).In this embodiment, do not have and oil meter face between in pumping components (9)
Part.Thus, pumping components (9) extract more oil within the unit interval, thereby increase the lubricating efficiency of compressor (1)
(accompanying drawing 6, accompanying drawing 7, accompanying drawing 8).
In a kind of mode preferably, connecting rod (16) makes between motion portion (11,111) and pumping components (9)
Distance can change.Thus, pumping components (9) can move along two different directions in the same plane, and the portion that pumps
During part (9) can more accurately be put with bent axle (7).In this embodiment, connecting rod (16) preferably have stretching structure (accompanying drawing 7,
Accompanying drawing 8).
In an embodiment of the invention, compressor (1) includes connecting motion portion (11,111) and pumping components (9)
Extension (17) so that there is difference in height between motion portion (11,111) and pumping components (9).By extension (17) two
Difference in height between end, pumping components (9) are less than motion portion (11,111).Thus, when in pumping components (9) immersing to oil,
Motion portion (11,111) is higher than the height (accompanying drawing 6, accompanying drawing 7, accompanying drawing 8) of oil.
In an embodiment of the invention, connecting rod (16) is made up of elastomeric material.Thus, pumping components (9) can also
Gum absorbs the vibration that vertical direction produces.
According to the present invention, pumping components (9) be arranged in compressor (1) operating during with bent axle (7) concentric locating.From
And, the oil in housing (2) is more effectively distributed inside compressor (1).Further, since preventing pumping components (9) and bent axle (7)
Inner surface contact, therefore prevent pumping components (9) from wear and tear in time and produce efficiency decline.
It is appreciated that to the invention is not restricted to implementations described above, and those skilled in the art are easy to propose not
Same embodiment.These should be considered to fall in the protection domain of claim request of the present invention.
Claims (9)
1. a kind of compressor（1）, including：Housing（2）, housing（2）Inside it is provided with the oil of lubricating movement part；Positioned at housing（2）Interior
Main body（3）；At least two foots（4）, main body（3）It is arranged on foot（4）On；Connect Liang Ge foot（4）Support member（5,
105）；Positioned at main body（3）On motor（6）；Bent axle（7）, it is by motor（6）Motion be transferred to piston, and there is opening
（8）, opening（8）Extend to upper end from the lower end of bent axle；And pumping components（9）, pumping components（9）Offer will be delivered to needs
The oil of moving component of lubrication is simultaneously located at bent axle（7）Lower end so that pumping components（9）One end enter opening（8）Interior and
The other end enters housing（2）Bottom oil in it is characterised in that
Support member（5,105）There is stationary part（10,110）With motion portion（11,111）, stationary part（10,110）With two feet
Portion（4）Connect, pumping components（9）It is connected to motion portion（11,111）On, and the portion that moves（11,111）In stationary part（10,
110）On along connect foot（4）Line motion.
2. compressor according to claim 1 is it is characterised in that four foots（4）Form rectangle so that opening（8）'s
Projection is located at rectangular centre.
3. compressor according to claim 1 and 2 is it is characterised in that stationary part（10）It is continuously connected Liang Ge foot
（4）, and the portion that moves（11）Including groove at its center（12）So that motion portion（11）It is slidably mounted in stationary part
（10）On.
4. compressor according to claim 1 and 2 is it is characterised in that stationary part（110）Have from Liang Ge foot（4）Court
Two hollow arm extending each other（13）, and the portion that moves（111）There is adapter（14）With two legs（15）, each leg
（15）One end be fixed on adapter（14）One end, each leg（15）The other end be arranged on each hollow arm（13）It is interior,
Thus and hollow arm（13）Form stretching motion together.
5. compressor according to claim 4 is it is characterised in that support member has two diagonal foots of connection（4）
Motion portion（11,111）, and pumping components（9）It is arranged on this motion portion（11,111）On.
6. compressor according to claim 4 is it is characterised in that support member connects two adjacent foots（4）, and
Connecting rod（16）Connect motion portion（11,111）And pumping components（9）.
7. compressor according to claim 6 is it is characterised in that connecting rod（16）Make motion portion（11,111）And pumping components
（9）The distance between can change.
8. compressor according to claim 7 is it is characterised in that extension（17）Connect motion portion（11,111）And oil pumping
Part（9）So that having difference in height between them.
9. the compressor according to any one of claim 6 to 8 is it is characterised in that connecting rod（16）It is made up of elastomeric material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TRA2011/13084 | 2011-12-27 | ||
| TR201113084 | 2011-12-27 | ||
| PCT/EP2012/076000 WO2013098130A1 (en) | 2011-12-27 | 2012-12-18 | A compressor comprising an oil sucking member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104145116A CN104145116A (en) | 2014-11-12 |
| CN104145116B true CN104145116B (en) | 2017-03-01 |
Family
ID=47522533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280065363.2A Expired - Fee Related CN104145116B (en) | 2011-12-27 | 2012-12-18 | There is the compressor of pumping components |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2798220A1 (en) |
| CN (1) | CN104145116B (en) |
| WO (1) | WO2013098130A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106351841A (en) * | 2016-11-24 | 2017-01-25 | 黄石艾博科技发展有限公司 | Reinforced inner support structure for refrigeration compressor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87209714U (en) * | 1987-06-28 | 1988-08-17 | 尹刚勇 | Adjustable pre-poisitioning rack |
| CN1701182A (en) * | 2003-03-14 | 2005-11-23 | 松下电器产业株式会社 | Compressor |
| CN101878369A (en) * | 2008-10-07 | 2010-11-03 | 惠而浦股份有限公司 | The erecting device that is used for the oil pump of refrigeration compressor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT238840Y1 (en) * | 1995-02-23 | 2000-11-15 | Zanussi Elettromecc | HERMETIC ALTERNATIVE COMPRESSOR WITH PERFECTED DILUBRIFICATION SYSTEM |
| SI1092092T1 (en) * | 1998-07-01 | 2003-06-30 | Zanussi Elettromeccanica S.P.A. | Oil pump for a hermetic compressor |
| KR100395957B1 (en) * | 2001-05-18 | 2003-08-27 | 주식회사 엘지이아이 | Oil Pumping apparatus for hermetic compressor |
| KR100756445B1 (en) * | 2001-05-18 | 2007-09-07 | 주식회사 엘지이아이 | Oil Pumping apparatus for hermetic compressor |
| EP1412640B1 (en) | 2001-07-28 | 2008-10-01 | Lg Electronics Inc. | Oil supply device for compressor in refrigerating system |
| US20060013706A1 (en) * | 2003-03-14 | 2006-01-19 | Yoshinori Ishida | Compressor |
-
2012
- 2012-12-18 EP EP12812941.8A patent/EP2798220A1/en not_active Withdrawn
- 2012-12-18 CN CN201280065363.2A patent/CN104145116B/en not_active Expired - Fee Related
- 2012-12-18 WO PCT/EP2012/076000 patent/WO2013098130A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87209714U (en) * | 1987-06-28 | 1988-08-17 | 尹刚勇 | Adjustable pre-poisitioning rack |
| CN1701182A (en) * | 2003-03-14 | 2005-11-23 | 松下电器产业株式会社 | Compressor |
| CN101878369A (en) * | 2008-10-07 | 2010-11-03 | 惠而浦股份有限公司 | The erecting device that is used for the oil pump of refrigeration compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013098130A1 (en) | 2013-07-04 |
| EP2798220A1 (en) | 2014-11-05 |
| CN104145116A (en) | 2014-11-12 |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |