CN2797650Y - Low noise electric generation set - Google Patents
Low noise electric generation set Download PDFInfo
- Publication number
- CN2797650Y CN2797650Y CN 200520009437 CN200520009437U CN2797650Y CN 2797650 Y CN2797650 Y CN 2797650Y CN 200520009437 CN200520009437 CN 200520009437 CN 200520009437 U CN200520009437 U CN 200520009437U CN 2797650 Y CN2797650 Y CN 2797650Y
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- insulationg board
- sound insulationg
- guide sleeve
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Abstract
The utility model relates to a low noise electric generation set which comprises an electric generator, an engine, a cylinder end, an air cleaner, an exhaust silencer, an oil tank and a starting pulling rope. Six surfaces of the electric generation set are respectively provided with a sound screen, and the electric generation set is sealed in the sound screens. A position where a cylinder end of the engine of the electric generation set and the exhaust silencer are positioned is provided with a diversion cover. The front end of the diversion cover is fixedly connected with heat radiation fins of the cylinder end of the engine. The exhaust muffler is arranged in the tail part of the diversion cover. The upper part of the tail end of the diversion cover is provided with an air discharging air channel of the diversion cover. The upper part of the sound screen at the side where the engine is positioned is provided with an air inlet centrifugal fan. The upper part of the sound screen at the side where the electric generator is positioned is provided with an air discharging centrifugal fan. The lower part of the air discharging centrifugal fan is also provided with an axial fan. An air inlet of a cooling fan driven by a flywheel of the engine is fixedly provided with a flywheel air inlet air channel. The upper parts of the sound screens corresponding to an engine oil charging mouth and an oil tank oil filling mouth are respectively provided with an engine oil charging door and a fuel oil charging door. The starting pulling rope and a draw rod of a choke valve are arranged in an inner groove on the sound screen at the corresponding position.
Description
One, technical field
The utility model relates to a kind of fuel electric generator group, particularly a kind of low noise generator set.
Two, background technique
The fuel electric generator group is a kind of power generating equipment commonly used, and it is made up of motor and generator two large divisions.When work, exposed unit can produce very big noise, has a strong impact on environmental amenity.At present, most generator set all is only to reduce exhaust sound by a silencing apparatus, and the noise of unit other parts (advancing/exhaust outlet etc. as cylinder head, oily machine) all is in line in environment.In addition, some low noise units that occur on the market do not obtain low noise truly because the hole of many openings is arranged itself now, and descend or cisco unity malfunction owing to the ventilation and heat heat problem causes power.
Three, summary of the invention
The purpose of this utility model is intended to overcome the deficiencies in the prior art, provides a kind of simple in structure, compact, safe in utilization, convenient, beautiful shape, generous, and noise is low, can guarantee the low noise generator set of long-time proper functioning again.
The utility model adopts such technological scheme: a kind of low noise generator set, include generator, motor, cylinder head, air-strainer, exhaust silencer, fuel tank, starting stay cord, and it is characterized in that:
(1), six faces of generator set are provided with sound insulationg board, each face sound insulationg board connects firmly mutually, generator set is closed in the enclosed space that sound insulationg board constitutes;
(2), the engine cylinder head at generator set is provided with the air guide sleeve that a sealing is connected with the exhaust silencer place, the front end of air guide sleeve and the radiating fin of engine cylinder head connect firmly, exhaust silencer is built in the afterbody of air guide sleeve, the outlet pipe of exhaust silencer stretches out the air guide sleeve tail end and is exposed to outside the sound insulationg board, air guide sleeve tail end top also is provided with a crooked shape air guide sleeve wind output channel, and the sound insulationg board in the outlet port of air guide sleeve wind output channel is provided with venetian blind;
(3) be installed with the air intake centrifugal blower fan at the sound insulationg board inside front that starts pusher side, this place's sound insulationg board is provided with the air intake venetian blind, be provided with crooked shape unit wind inlet channel between air intake centrifugal blower fan below and the air-strainer below, sound insulationg board inside front at the generating pusher side is installed with the air draft centrifugal blower, be fixedly connected with internal surface on the air draft centrifugal blower and post the crooked shape wind output channel of sound-absorbing material, the sound insulationg board in wind output channel outlet port is provided with venetian blind, air draft centrifugal blower below also is provided with axial-flow blower, axial-flow blower is connected with the generator tail end through the cylinder air channel, the shaft joint place of motor and generator establishes air exhaust channel always, the upper end and the shaft joint in line air channel connect firmly, the bottom surface sound insulationg board is stretched out in the lower end, and the power end of each blower fan is connected with the front end of genset load switch;
(4) intake grill of the cooling fan that drives at engine flywheel is provided with labyrinth shape flywheel wind inlet channel, the intake grill of flywheel wind inlet channel is connected with the sound insulationg board of generator set control panel side, this place's sound insulationg board is provided with venetian blind, and the exhaust outlet of flywheel wind inlet channel and cooling fan of engine intake grill connect firmly;
(5) starting stay cord and choke linkage is located at respectively in the inner groovy in the sound insulationg board outside of homonymy corresponding part, offers machine oil filling door and fuel filling door on the sound insulationg board of the oil filler place correspondence of machine oil filler and fuel tank respectively.
When using the utility model, at first pull out choke linkage and open ignition switch, pulling starting stay cord, ato unit pushes choke linkage again.This moment, motor was started working, three blower fans are also started working, the air intake centrifugal blower fan of motor tip side is blown into cooling air to the unit bottom by crooked shape wind inlet channel below filter cleaner, the hot air that assemble on generator end side top air draft centrifugal blower sucking-off unit tail end top, post the crooked shape wind output channel of sound-absorbing material discharges from venetian blind by internal surface, the axial-flow blower of air draft centrifugal blower below is blown into cool air by the cylinder air channel to generator, hot air behind the cooling motor is discharged from base plate through the air channel of shaft joint below, the labyrinth shape flywheel wind inlet channel that connects on the cooling fan intake grill that engine flywheel drives sucks cool air from venetian blind, the hot blast that motor produces blows out from the radiating fin of cylinder head, it is relatively low to introduce temperature by air guide sleeve, the air draft of air cooling engine cylinder head is cooled off exhaust silencer, the hot blast that the cooling back produces is discharged by the crooked shape air guide sleeve wind output channel of air guide sleeve tail end top, prevent cylinder head heat radiation and the accumulation of exhaust silencer heat radiation in the generator set enclosed space, reduced leaking outside of cylinder head noise radiation again.The utility model is simple in structure, compact, and is safe and convenient to use, and beautiful shape is generous, and noise is low, 1 meter sound pressure level 75dBA, and 7 meters 62-66dBA can guarantee long-time proper functioning.
Four, description of drawings
The utility model has following accompanying drawing:
Fig. 1 is the profile schematic representation that the utility model is observed from the control panel direction;
Fig. 2 is Fig. 1 left view;
Fig. 3 is the schematic internal view that the utility model is observed from the cylinder head direction;
Fig. 4 is the schematic internal view that the utility model is observed from the control panel direction;
Fig. 5 is the schematic internal view that the utility model is overlooked;
Fig. 6 is the schematic representation of sound insulationg board of the present utility model;
Fig. 7 a is the schematic representation of the novel air guide sleeve of this reality;
Fig. 7 b is the plan view of Fig. 7 a;
Fig. 7 c is the B-B view of Fig. 7 a;
Fig. 8 is the schematic representation of flywheel wind inlet channel of the present utility model;
Fig. 9 a is the schematic representation of air guide sleeve wind output channel of the present utility model;
Fig. 9 b is the plan view of Fig. 9 a;
Fig. 9 c is the left view of Fig. 9 a;
Fig. 9 d is the A-A view of Fig. 9 a;
Figure 10 is the schematic representation of exhaust silencer of the present utility model.
Five, embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, a kind of low noise generator set includes generator 21, motor 28, cylinder head 23, air-strainer 11, exhaust silencer 13, fuel tank 18, starting stay cord 2, it is characterized in that:
(1), six faces of generator set are provided with sound insulationg board 26, each face sound insulationg board 26 connects firmly mutually, generator set is closed in the enclosed space that sound insulationg board constitutes;
(2), the engine cylinder head 23 at generator set is provided with the air guide sleeve 12 that a sealing is connected with exhaust silencer 13 places, the radiating fin of the front end of air guide sleeve 12 and engine cylinder head 23 connects firmly, exhaust silencer 13 is built in the afterbody of air guide sleeve 12, the outlet pipe 5 of exhaust silencer 13 stretches out air guide sleeve 12 tail ends and is exposed to outside the sound insulationg board, air guide sleeve 12 tail end tops also are provided with a crooked shape air guide sleeve wind output channel 14, and the sound insulationg board in the outlet port of air guide sleeve wind output channel 14 is provided with venetian blind 6;
(3) be installed with air intake centrifugal blower fan 17 at the sound insulationg board inside front that starts pusher side, this place's sound insulationg board is provided with air intake venetian blind 8, be provided with crooked shape unit wind inlet channel 10 between air intake centrifugal blower fan 17 belows and air-strainer 11 belows, sound insulationg board inside front in generator 21 sides is installed with air draft centrifugal blower 19, be fixedly connected with internal surface on the air draft centrifugal blower 19 and post the crooked shape wind output channel 15 of sound-absorbing material, the sound insulationg board in wind output channel 15 outlet ports is provided with venetian blind 4, air draft centrifugal blower 19 belows also are provided with axial-flow blower 20, axial-flow blower 20 is connected with generator 21 tail ends through cylinder air channel 27, the shaft joint place of motor 28 and generator 21 establishes air exhaust channel 22 always, the upper end and the shaft joint in line air channel 22 connect firmly, the bottom surface sound insulationg board is stretched out in the lower end, and the power end of each blower fan is connected with the front end of genset load switch;
(4) intake grill of the cooling fan that drives at engine flywheel is provided with labyrinth shape flywheel wind inlet channel 16, the intake grill of flywheel wind inlet channel 16 is connected with the sound insulationg board of generator set control panel side, this place's sound insulationg board is provided with venetian blind 1, and the exhaust outlet of flywheel wind inlet channel 16 and cooling fan of engine intake grill connect firmly;
(5) starting stay cord 2 and choke linkage 9 is located at respectively in the inner groovy in the sound insulationg board outside of homonymy corresponding part, offers machine oil filling door 3 and fuel filling door 7 on the sound insulationg board of the oil filler place correspondence of machine oil filler and fuel tank 18 respectively.
In embodiment shown in the drawings, sound insulationg board 26 is made of book steel matrix, damping material layer 24, sound-absorbing material layer 25, and skin is a matrix, sets firmly damping material layer 24 on the matrix, establishes sound-absorbing material layer 25 on the damping material layer 24 again, as shown in Figure 6.Air guide sleeve 12 is made of sheet metal 12-1, insulation material layer 12-2 and perforated metal panel 12-3, the skin of air guide sleeve is sheet metal 12-1, internal layer is perforated metal panel 12-3, between sheet metal 12-1 and perforated metal panel 12-3 insulation material layer 12-2 is set, shown in Fig. 7 a, Fig. 7 b Fig. 7 c.Be provided with curved sound insulationg board 16-2 between the lower edge of the inside front of intake grill 16-1 and exhaust outlet 16-3 in the flywheel wind inlet channel 16, as shown in Figure 8.Air guide sleeve wind output channel 14 skins have sheet metal 14-1, internal layer has perforated metal panel 14-3, between sheet metal 14-1 and perforated metal panel 14-3, be provided with insulation material layer 14-2, the also oblique sound insulationg board 14-4 that is provided with above in air guide sleeve wind output channel afterbody is shown in Fig. 9 a, Fig. 9 b, Fig. 9 c, Fig. 9 d.Exhaust silencer 13 is made up of the noise elimination unit of a plurality of closed chambers the inside of two joint series connection up and down, above a joint noise elimination unit 29 three closed chambers are arranged, in intermediate cavity, be filled with sound-absorbing porous material 38, below a joint noise elimination unit 30 four closed chambers are arranged, in the inner chamber of its front end first chamber periphery and second chamber, be filled with sound-absorbing porous material, be provided with exhaust inlet pipe 31 and interpolation pipe 32 in the joint noise elimination unit 29 in the above, exhaust inlet pipe 31 and interpolation pipe 32 pass three chambers, the tail end of exhaust inlet pipe is by shutoff, be provided with interpolation pipe 33 in the joint noise elimination unit 30 below, 34 and interpolation bend pipe 35, tail end also is provided with resonator muffler 36, between two joint noise elimination unit one bridge piece 37 is arranged, one end of bridge piece 37 puts in front end first chamber of a top joint noise elimination unit 29, the other end of bridge piece 37 puts in first chamber of a following joint noise elimination unit 30 front ends, the tail end of bridge piece is by shutoff, as shown in figure 10.
Claims (6)
1, a kind of low noise generator set includes generator (21), motor (28), cylinder head (23), air-strainer (11), exhaust silencer (13), fuel tank (18), starting stay cord (2), it is characterized in that:
(1), six faces of generator set are provided with sound insulationg board (26), each face sound insulationg board (26) connects firmly mutually, generator set is closed in the enclosed space that sound insulationg board constitutes;
(2), locate to be provided with the air guide sleeve (12) that a sealing is connected at the engine cylinder head (23) of generator set with exhaust silencer (13), the radiating fin of the front end of air guide sleeve (12) and engine cylinder head (23) connects firmly, exhaust silencer (13) is built in the afterbody of air guide sleeve (12), the outlet pipe (5) of exhaust silencer (13) stretches out air guide sleeve (12) tail end and is exposed to outside the sound insulationg board, air guide sleeve (12) tail end top also is provided with a crooked shape air guide sleeve wind output channel (14), and the sound insulationg board in the outlet port of air guide sleeve wind output channel (14) is provided with venetian blind (6);
(3) be installed with air intake centrifugal blower fan (17) at the sound insulationg board inside front that starts pusher side, this place's sound insulationg board is provided with air intake venetian blind (8), be provided with crooked shape unit wind inlet channel (10) between air intake centrifugal blower fan (17) below and air-strainer (11) below, sound insulationg board inside front in generator (21) side is installed with air draft centrifugal blower (19), be fixedly connected with internal surface on the air draft centrifugal blower (19) and post the crooked shape wind output channel (15) of sound-absorbing material, the sound insulationg board in wind output channel (15) outlet port is provided with venetian blind (4), air draft centrifugal blower (19) below also is provided with axial-flow blower (20), axial-flow blower (20) is connected with generator (21) tail end through cylinder air channel (27), the shaft joint place of motor (28) and generator (21) establishes air exhaust channel (22) always, the upper end and the shaft joint in line air channel (22) connect firmly, the bottom surface sound insulationg board is stretched out in the lower end, and the power end of each blower fan is connected with the front end of genset load switch;
(4) intake grill of the cooling fan that drives at engine flywheel is provided with labyrinth shape flywheel wind inlet channel (16), the intake grill of flywheel wind inlet channel (16) is connected with the sound insulationg board of generator set control panel side, this place's sound insulationg board is provided with venetian blind (1), and the exhaust outlet and the cooling fan of engine intake grill of flywheel wind inlet channel (16) connect firmly;
(5) starting stay cord (2) and choke linkage (9) is located at respectively in the inner groovy in the sound insulationg board outside of homonymy corresponding part, offers machine oil filling (3) and a fuel filling door (7) on the sound insulationg board of the oil filler place correspondence of machine oil filler and fuel tank (18) respectively.
2, by the described low noise generator set of claim 1, it is characterized in that described sound insulationg board (26) is made of book steel matrix, damping material layer (24), sound-absorbing material layer (25), skin is a matrix, set firmly damping material layer (24) on the matrix, establish sound-absorbing material layer (25) on the damping material layer (24) again.
3, by the described low noise generator set of claim 1, it is characterized in that described air guide sleeve (12) is made of sheet metal (12-1), insulation material layer (12-2) and perforated metal panel (12-3), the skin of air guide sleeve is sheet metal (12-1), internal layer is perforated metal panel (12-3), between sheet metal (12-1) and perforated metal panel (12-3) insulation material layer (12-2) is set.
4,, it is characterized in that being provided with curved sound insulationg board (16-2) between the lower edge of the inside front of the interior intake grill of described flywheel wind inlet channel (16) (16-1) and exhaust outlet (16-3) by the described low noise generator set of claim 1.
5, by the described low noise generator set of claim 1, it is characterized in that described air guide sleeve wind output channel (14) skin has sheet metal (14-1), internal layer has perforated metal panel (14-3), between sheet metal (14-1) and perforated metal panel (14-3), be provided with insulation material layer (14-2), in air guide sleeve wind output channel afterbody above the also oblique sound insulationg board (14-4) that is provided with.
6, by the described low noise generator set of claim 1, it is characterized in that described exhaust silencer (13) is made up of the noise elimination unit of a plurality of closed chambers the inside of up and down two joint series connection, above one the joint noise elimination unit (29) three closed chambers are arranged, in intermediate cavity, be filled with sound-absorbing porous material, below one the joint noise elimination unit (30) four closed chambers are arranged, in the inner chamber of its front end first chamber periphery and second chamber, be filled with sound-absorbing porous material (38), be provided with exhaust inlet pipe (31) and interpolation pipe (32) in the joint noise elimination unit (29) in the above, exhaust inlet pipe (31) and interpolation pipe (32) pass three chambers, the tail end of exhaust inlet pipe is by shutoff, be provided with interpolation pipe (33 in the joint noise elimination unit (30) below, 34) and interpolation bend pipe (35), tail end also is provided with resonator muffler (36), between two joint noise elimination unit one bridge piece (37) is arranged, one end of bridge piece (37) puts in front end first chamber of a top joint noise elimination unit (29), the other end of bridge piece (37) puts in first chamber of following joint noise elimination unit (a 30) front end, and the tail end of bridge piece is by shutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520009437 CN2797650Y (en) | 2005-06-08 | 2005-06-08 | Low noise electric generation set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520009437 CN2797650Y (en) | 2005-06-08 | 2005-06-08 | Low noise electric generation set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2797650Y true CN2797650Y (en) | 2006-07-19 |
Family
ID=36868890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520009437 Expired - Fee Related CN2797650Y (en) | 2005-06-08 | 2005-06-08 | Low noise electric generation set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2797650Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100427748C (en) * | 2006-12-18 | 2008-10-22 | 南阳市宜和发电设备有限公司 | Environment-friendly tank-mounted energy-saving device for engine |
| CN100570133C (en) * | 2008-06-19 | 2009-12-16 | 上海科泰电源股份有限公司 | Integrated system of communication base station and electric power |
| CN101512118B (en) * | 2006-09-14 | 2010-11-10 | 三菱重工业株式会社 | Sound resistance engine generator |
| CN101660353B (en) * | 2009-09-02 | 2011-04-13 | 三一重工股份有限公司 | Noise reduction chamber |
| CN102072016A (en) * | 2011-01-26 | 2011-05-25 | 无锡开普机械有限公司 | Compact diesel digital generator for easily-maintainable air filter |
| CN102116215A (en) * | 2010-12-29 | 2011-07-06 | 上海新奥能源科技有限公司 | Self-electricity consumption reduction combined cooling heat and power system |
| CN102477899A (en) * | 2010-11-25 | 2012-05-30 | 李斯特内燃机及测试设备公司 | Generator set having housing |
| CN103184930A (en) * | 2013-04-03 | 2013-07-03 | 重庆鼎工机电有限公司 | Silenced type generator set |
| CN103414310A (en) * | 2013-08-26 | 2013-11-27 | 南京匹瑞电气科技有限公司 | Noise power generator |
| CN105804866A (en) * | 2016-04-12 | 2016-07-27 | 浙江乐恒动力科技股份有限公司 | Indoor internal combustion engine generator with multiple-layer of sleeving outer shells and forced exhaust system |
| CN107035522A (en) * | 2017-06-19 | 2017-08-11 | 沈阳航天新光集团有限公司 | A kind of air-cooled noise-reduced diesel generator |
| CN107084044A (en) * | 2017-06-19 | 2017-08-22 | 沈阳航天新光集团有限公司 | A kind of high power density noise-reduced diesel generator |
| CN107339155A (en) * | 2017-06-19 | 2017-11-10 | 沈阳航天新光集团有限公司 | A kind of high power density noise-reduced diesel generator |
| CN108150285A (en) * | 2018-01-16 | 2018-06-12 | 常州市海润机电有限公司 | Double heat dissipation diesel-driven generators |
| CN108487706A (en) * | 2018-04-04 | 2018-09-04 | 临安科泰通信科技有限公司 | A kind of the fuel electric generator isolating device and its installation method of sealing space |
| US11970928B1 (en) * | 2019-09-20 | 2024-04-30 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing device |
-
2005
- 2005-06-08 CN CN 200520009437 patent/CN2797650Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101512118B (en) * | 2006-09-14 | 2010-11-10 | 三菱重工业株式会社 | Sound resistance engine generator |
| CN100427748C (en) * | 2006-12-18 | 2008-10-22 | 南阳市宜和发电设备有限公司 | Environment-friendly tank-mounted energy-saving device for engine |
| CN100570133C (en) * | 2008-06-19 | 2009-12-16 | 上海科泰电源股份有限公司 | Integrated system of communication base station and electric power |
| CN101660353B (en) * | 2009-09-02 | 2011-04-13 | 三一重工股份有限公司 | Noise reduction chamber |
| CN102477899B (en) * | 2010-11-25 | 2016-08-03 | 李斯特内燃机及测试设备公司 | Generating set with housing |
| CN102477899A (en) * | 2010-11-25 | 2012-05-30 | 李斯特内燃机及测试设备公司 | Generator set having housing |
| CN102116215A (en) * | 2010-12-29 | 2011-07-06 | 上海新奥能源科技有限公司 | Self-electricity consumption reduction combined cooling heat and power system |
| CN102072016A (en) * | 2011-01-26 | 2011-05-25 | 无锡开普机械有限公司 | Compact diesel digital generator for easily-maintainable air filter |
| CN103184930A (en) * | 2013-04-03 | 2013-07-03 | 重庆鼎工机电有限公司 | Silenced type generator set |
| CN103414310A (en) * | 2013-08-26 | 2013-11-27 | 南京匹瑞电气科技有限公司 | Noise power generator |
| CN103414310B (en) * | 2013-08-26 | 2015-09-30 | 南京匹瑞电气科技有限公司 | A kind of noise generating device |
| CN105804866A (en) * | 2016-04-12 | 2016-07-27 | 浙江乐恒动力科技股份有限公司 | Indoor internal combustion engine generator with multiple-layer of sleeving outer shells and forced exhaust system |
| CN107035522A (en) * | 2017-06-19 | 2017-08-11 | 沈阳航天新光集团有限公司 | A kind of air-cooled noise-reduced diesel generator |
| CN107084044A (en) * | 2017-06-19 | 2017-08-22 | 沈阳航天新光集团有限公司 | A kind of high power density noise-reduced diesel generator |
| CN107339155A (en) * | 2017-06-19 | 2017-11-10 | 沈阳航天新光集团有限公司 | A kind of high power density noise-reduced diesel generator |
| CN108150285A (en) * | 2018-01-16 | 2018-06-12 | 常州市海润机电有限公司 | Double heat dissipation diesel-driven generators |
| CN108150285B (en) * | 2018-01-16 | 2023-11-07 | 常州市海润机电有限公司 | Double-heat-dissipation diesel generator |
| CN108487706A (en) * | 2018-04-04 | 2018-09-04 | 临安科泰通信科技有限公司 | A kind of the fuel electric generator isolating device and its installation method of sealing space |
| US11970928B1 (en) * | 2019-09-20 | 2024-04-30 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing device |
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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 |