CN105003336A - Efficient generator unit with two cooling air ducts - Google Patents
Efficient generator unit with two cooling air ducts Download PDFInfo
- Publication number
- CN105003336A CN105003336A CN201510447474.5A CN201510447474A CN105003336A CN 105003336 A CN105003336 A CN 105003336A CN 201510447474 A CN201510447474 A CN 201510447474A CN 105003336 A CN105003336 A CN 105003336A
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- CN
- China
- Prior art keywords
- cooling
- air
- cooling air
- engine
- motor
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/06—Guiding or ducting air to, or from, ducted fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
Abstract
The invention discloses an efficient generator unit with two cooling air ducts. The efficient generator unit with the two cooling air ducts comprises a unit shell and an engine type generator. The engine type generator comprises an engine cooling air channel and a motor cooling air channel. An air inlet of the engine cooling air channel is formed in a starter pull disk. An air outlet of the engine cooling air channel is formed in a muffler air outlet rubber cover. A cylinder head and a muffler are arranged in a closed channel formed between the air inlet and the air outlet of the engine cooling air channel. Air inlets of the motor cooling air channel are formed in the top, the side face and the bottom of an engine case cover respectively. An air outlet of the motor cooling air channel is formed in a motor end cover. A cooling fan and a motor are arranged in a closed channel formed between the air inlets and the air outlet of the motor cooling air channel. Blades of the cooling fan are of an arc-shaped cover structure. The two cooling air channels are independent of each other, so that the air channels is simplified, arrangement of the air channels is optimized, and the number of parts is reduced; the blades of the cooling fan are of the arc-shaped cover structure, so the air supply amount is increased, and the cooling effect of the generator is improved jointly.
Description
Technical field
The present invention relates to generator set technical field, especially the structure of cooling duct in engine generator group.
Background technique
Engine generator makes motor rotation by motor thus generating, engine generator inside is provided with engine cooling air channel and electric motor cooling duct, engine cooling air channel is cylinder head and the silencing apparatus cooling of motor, and electric motor cooling duct is electric motor temperature reduction.
In existing engine generator, main existence two kinds of structural types: one is that two-way cooling air cools cylinder head and motor separately, silencing apparatus is cooled together after converging again, this structure is ensure that the flowing of cooling air is smooth and easy, cooling air duct construction is complicated, the number of spare parts forming cooling duct is many, and installation precision requires very high; Another kind first cools cylinder head, then be divided into two-way and cool silencing apparatus and motor respectively, but cooling air cooling effect after shunting is not satisfactory.
Summary of the invention
The present invention aims to provide a kind of generator set with two cold wind channel, and a road cooling air is for cooling cylinder head and silencing apparatus, and another road cooling air is used for cooling motor, two-way cooling duct is independent separately, is convenient to simplify air channel, optimizes air channel and arranges, reduce number of spare parts, ensure cooling effect; There is provided a kind of brand-new motor cooling fan blade structure, what increase cooling fan digs air quantity simultaneously, improves the cooling effect of motor.
For this reason, the technical solution adopted in the present invention is: a kind of generator set of efficient dual cooling air flues, comprise unit casing, the engine generator be arranged in unit casing, described engine generator comprises the engine cooling air channel that has and pass through for cooling cylinder head and the cooling air of silencing apparatus and has the electric motor cooling duct that the cooling air for cooling motor passes through, and it is characterized in that:
The intake grill in described engine cooling air channel is arranged in starter pulling plate, and exhaust outlet is arranged on silencing apparatus and gives vent to anger on gum cover, and described cylinder head and silencing apparatus are arranged in the airtight passage that formed between the intake grill in engine cooling air channel and exhaust outlet; The intake grill of described electric motor cooling duct is separately positioned on the top of motor case lid, side and bottom, and exhaust outlet is arranged on electric motor end cap, and cooling fan and motor are placed in the airtight passage that formed between the intake grill of electric motor cooling duct and exhaust outlet; Described unit casing is respectively arranged with the air-inlet grille corresponding with the air outlet position of the intake grill of the exhaust outlet in the intake grill in engine cooling air channel, engine cooling air channel, electric motor cooling duct, electric motor cooling duct;
Described cooling fan comprises plate-like body and blade, both are one-body molded, described plate-like body has some circumferentially uniform mistake air holes, blade be arranged on plate-like body front and with cross air holes one_to_one corresponding, the cross section of described blade is arch, air intake direction dome height along cooling fan reduces until be connected as a single entity with the edge crossing air holes gradually, thus the arc-shaped cover structure formed with wind inlet, and the mistake air holes of correspondence covers by arc-shaped cover completely, when cooling fan rotates, wind enters in blade from wind inlet, arcuately cover is discharged by crossing air holes after turning over certain angle again.
Preferred as such scheme, described starter, cooling fan and motor are arranged on lower one deck of engine generator, air filter, cylinder head and silencing apparatus are arranged on the last layer of engine generator, airtight passage between described engine cooling air inlet of air duct and exhaust outlet is surrounded by starter wind scooper, cylinder head wind scooper, muffler outer hood and silencing apparatus gum cover of giving vent to anger, and the airtight passage between described electric motor cooling duct intake grill and exhaust outlet is surrounded by motor case lid and electric motor end cap.To optimize structure layout, make overall structure more compact and reasonable, reduce occupation area.
The medial extremity opposed outer ends of described blade arched cross-section, air intake direction tilts rearward; The top opposing root of described wind inlet, air intake direction tilts backwards.To optimize air intake route further, make the wind that enters in arc-shaped cover more smooth and easy, better to the cooling effect of motor.
Beneficial effect of the present invention: the engine cooling air channel for cooling cylinder head and silencing apparatus is provided separately with the electric motor cooling duct for cooling motor, two-way cooling duct is independent separately, the cooling air in engine cooling air channel is sucked by the fan in starter, and the cooling air of electric motor cooling duct is sucked by cooling fan, ensure that the air output of two air channel abundances, air intake is smooth and easy, and good cooling results; Because two cooling ducts are independently arranged, simplify air flue structure and air channel layout, decrease number of spare parts, reduce manufacture cost; The blade of motor cooling fan adopts arc-shaped cover structure, is engaged in three place's electric motor cooling duct intake grills that engine case tops, side and bottom are arranged, thus increase cooling fan dig air quantity, improve the cooling effect of motor further.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right elevation of Fig. 1.
Fig. 4 is the structural representation of engine generator.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the A-A sectional view of Fig. 5.
Fig. 7 is the stereogram of engine generator.
Fig. 8 is the incomplete decomposing schematic diagram of Fig. 7.
Fig. 9 is the structural representation of cooling fan.
Figure 10 is the stereogram one of cooling fan.
Figure 11 is the stereogram two of cooling fan.
Embodiment
Below by embodiment also by reference to the accompanying drawings, the invention will be further described:
Generator set as shown in Figure 1, comprises unit casing 12, the engine generator be arranged in unit casing 12, in addition, also comprises the inverter be arranged in unit casing 12.
Engine generator shown in composition graphs 4-Fig. 8, to give vent to anger the compositions such as gum cover 7, motor case lid 8, cooling fan 9, air filter 10, electric motor end cap 11 primarily of cylinder head 1, silencing apparatus 2, motor 3, starter 4 (comprising starter pulling plate 4a and starter wind scooper 4b), cylinder head wind scooper 5, muffler outer hood 6, silencing apparatus.
In engine generator, be provided with two-way cooling duct, a road is the engine cooling air channel a for passing through for the cooling air of cooling cylinder head 1 and silencing apparatus 2, and a road is the electric motor cooling duct b for passing through for the cooling air of cooling motor 3.
The intake grill of engine cooling air channel a is arranged on starter pulling plate 4a, fan is provided with in starter pulling plate 4a, exhaust outlet is arranged on silencing apparatus and gives vent to anger on gum cover 7, and cylinder head 1 and silencing apparatus 2 are arranged in the airtight passage that formed between the intake grill of engine cooling air channel a and exhaust outlet; The intake grill of electric motor cooling duct b is separately positioned on the top of motor case lid 8, side and bottom, and exhaust outlet is arranged on electric motor end cap 11, and cooling fan 9 and motor 3 are placed in the airtight passage that formed between the intake grill of electric motor cooling duct b and exhaust outlet.Cylinder head 1 belongs to a part for motor.Motor body is made up of engine housing and motor case lid 8, and engine housing is positioned at the side near starter 4, and motor case lid 8 is positioned at the side away from starter 4.
Shown in composition graphs 2, Fig. 3, unit casing 12 is respectively arranged with the air-inlet grille 12a corresponding with the air outlet position of the intake grill of the exhaust outlet of the intake grill of engine cooling air channel a, engine cooling air channel a, electric motor cooling duct b, electric motor cooling duct b.The top of unit casing 12 is provided with handle 12b, is convenient for carrying.
Preferably, starter 4, cooling fan 9 and motor 3 are arranged on lower one deck of engine generator, air filter 10, cylinder head 1 and silencing apparatus 2 are arranged on the last layer of engine generator, airtight passage between engine cooling air channel a intake grill and exhaust outlet is surrounded by starter wind scooper 4b, cylinder head wind scooper 5, muffler outer hood 6 and silencing apparatus gum cover 7 of giving vent to anger, and the airtight passage between electric motor cooling duct b intake grill and exhaust outlet is surrounded by motor case lid 8 and electric motor end cap 11.Cooling air for cooled engine enters from the intake grill starter pulling plate 4a, the sealing channel surrounded through gum cover 7 of being given vent to anger by starter wind scooper 4b, cylinder head wind scooper 5, muffler outer hood 6 and silencing apparatus successively is again that cylinder head 1 and silencing apparatus 2 are lowered the temperature, and the exhaust outlet of finally being given vent to anger on gum cover 7 by silencing apparatus is discharged.For the cooling air of cooling motor from the top of motor case lid 8, the intake grill of side and bottom enters, lower the temperature for motor 3 after cooling fan 9 converges, then discharged by the exhaust outlet on electric motor end cap 11.Muffler outer hood 6 is preferably fastened by left and right two-part cover body and forms.
As shown in Fig. 9-Figure 11, cooling fan 9 is primarily of plate-like body 9a and blade 9b two-part composition, and both are one-body molded.Plate-like body 9a has some circumferentially uniform mistake air holes 9c, blade 9b be arranged on plate-like body 9a front and with cross air holes 9c one_to_one corresponding.The cross section of blade 9b is arch, and the air intake direction dome height along cooling fan 9 reduces gradually until be connected as a single entity with the edge crossing air holes 9c, thus forms the arc-shaped cover structure with wind inlet 9d, and the mistake air holes 9c of correspondence covers by arc-shaped cover completely.When cooling fan 9 rotates, wind enters in blade 9b from wind inlet 9d, and arcuately cover is discharged by crossing air holes 9c after turning over certain angle again.
Preferably, the medial extremity opposed outer ends of blade 9b arched cross-section, air intake direction tilts backwards, and the top opposing root of described wind inlet 9d, air intake direction tilts backwards.
Engine generator group increases machine unit shell and inverter on the basis of engine generator, if this structure is applied to 2KW engine generator group, by verification experimental verification, because air channel is improved, inverter temperature reduces by 10 DEG C, and inverter efficiency is better; Air filter entering air temp reduces by 10 DEG C, and the combustion efficiency of engine cylinder head is better, and power can promote about 100W.
Claims (4)
1. the generator set of an efficient dual cooling air flues, comprise unit casing (12), the engine generator be arranged in unit casing (12), described engine generator comprises the electric motor cooling duct (b) that engine cooling air channel (a) having and pass through for cooling cylinder head (1) and the cooling air of silencing apparatus (2) and the cooling air with confession cooling motor (3) pass through, and it is characterized in that:
The intake grill of described engine cooling air channel (a) is arranged in starter pulling plate (4a), exhaust outlet is arranged on silencing apparatus and gives vent to anger on gum cover (7), and described cylinder head (1) and silencing apparatus (2) are arranged in the airtight passage that formed between the intake grill of engine cooling air channel (a) and exhaust outlet; The intake grill of described electric motor cooling duct (b) is separately positioned on the top of motor case lid (8), side and bottom, exhaust outlet is arranged on electric motor end cap (11), and cooling fan (9) and motor (3) are placed in the airtight passage that formed between the intake grill of electric motor cooling duct (b) and exhaust outlet; Described unit casing (12) is respectively arranged with the air-inlet grille (12a) corresponding with the air outlet position of the intake grill of the exhaust outlet of the intake grill of engine cooling air channel (a), engine cooling air channel (a), electric motor cooling duct (b), electric motor cooling duct (b);
Described cooling fan (9) comprises plate-like body (9a) and blade (9b), both are one-body molded, described plate-like body (9a) has some circumferentially uniform mistake air holes (9c), blade (9b) be arranged on plate-like body (9a) front and with cross air holes (9c) one_to_one corresponding, the cross section of described blade (9b) is arch, air intake direction dome height along cooling fan (9) reduces until be connected as a single entity with the edge crossing air holes (9c) gradually, thus the arc-shaped cover structure formed with wind inlet (9d), and the mistake air holes (9c) of correspondence covers by arc-shaped cover completely, when cooling fan (9) rotates, wind enters in blade (9b) from wind inlet (9d), arcuately cover is discharged by crossing air holes (9c) after turning over certain angle again.
2. according to the generator set of efficient dual cooling air flues according to claim 1, it is characterized in that: described starter (4), cooling fan (9) and motor (3) are arranged on lower one deck of engine generator, air filter (10), cylinder head (1) and silencing apparatus (2) are arranged on the last layer of engine generator, airtight passage between described engine cooling air channel (a) intake grill and exhaust outlet is by starter wind scooper (4b), cylinder head wind scooper (5), muffler outer hood (6) and silencing apparatus gum cover (7) of giving vent to anger surrounds, airtight passage between described electric motor cooling duct (b) intake grill and exhaust outlet is surrounded by motor case lid (8) and electric motor end cap (11).
3. according to the generator set of the efficient dual cooling air flues described in claim 1 or 2, it is characterized in that: described muffler outer hood (6) is fastened by left and right two-part cover body and forms.
4. according to the generator set of efficient dual cooling air flues according to claim 1, it is characterized in that: the medial extremity opposed outer ends of described blade (9b) arched cross-section, air intake direction tilts backwards; The top opposing root of described wind inlet (9d), air intake direction tilts backwards.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510447474.5A CN105003336B (en) | 2015-07-28 | 2015-07-28 | The generating set of efficient dual cooling air flues |
| PCT/CN2016/086558 WO2017016343A1 (en) | 2015-07-28 | 2016-06-21 | High-efficiency generator set having dual cooling airway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510447474.5A CN105003336B (en) | 2015-07-28 | 2015-07-28 | The generating set of efficient dual cooling air flues |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105003336A true CN105003336A (en) | 2015-10-28 |
| CN105003336B CN105003336B (en) | 2017-10-20 |
Family
ID=54376158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510447474.5A Active CN105003336B (en) | 2015-07-28 | 2015-07-28 | The generating set of efficient dual cooling air flues |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105003336B (en) |
| WO (1) | WO2017016343A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443239A (en) * | 2015-12-24 | 2016-03-30 | 重庆安来动力机械有限公司 | Air duct for silent power generator unit |
| CN108343506A (en) * | 2018-05-02 | 2018-07-31 | 隆鑫通用动力股份有限公司 | A kind of generating set |
| CN113364212A (en) * | 2021-06-22 | 2021-09-07 | 重庆鼎工机电有限公司 | Cooling air duct of mute variable-frequency generator set |
| WO2022100619A1 (en) * | 2020-11-10 | 2022-05-19 | 尹登昌 | Cooling and heat dissipation method for general-purpose electric generator and general-purpose electric generator |
| CN114645763A (en) * | 2022-03-24 | 2022-06-21 | 重庆鼎工机电有限公司 | Air duct of silent generator set |
| WO2023245781A1 (en) * | 2022-06-21 | 2023-12-28 | 扬州易特普动力科技有限公司 | Generator set suction type permanent magnet generator cooling device based on guiding and isolation |
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| CN108590851B (en) * | 2018-05-30 | 2023-12-01 | 隆鑫通用动力股份有限公司 | Wind scooper and generator thereof |
| CN108869124A (en) * | 2018-08-31 | 2018-11-23 | 浙江春风动力股份有限公司 | A kind of vehicle |
| CN109372633A (en) * | 2018-12-25 | 2019-02-22 | 苏州帕瓦麦斯动力有限公司 | The inversion small-size double cylinder generating set of high-efficient noise-reducing |
| CN112943436B (en) * | 2019-04-12 | 2022-07-01 | 重庆鑫源农机股份有限公司 | Air duct type cooling frequency conversion unit and layout method thereof |
| CN113803158A (en) * | 2021-09-03 | 2021-12-17 | 福建永强力加动力设备有限公司 | Novel generator set |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05312050A (en) * | 1992-05-01 | 1993-11-22 | Kubota Corp | Ventilating and cooling system in soundproofing type engine generator |
| CN1274799A (en) * | 1999-05-21 | 2000-11-29 | 本田技研工业株式会社 | Engine-generator set |
| CN1448623A (en) * | 2002-03-29 | 2003-10-15 | 雅马哈发动机株式会社 | Engine generator |
| JP2006188980A (en) * | 2005-01-06 | 2006-07-20 | Yamaha Motor Co Ltd | Engine type generator |
| CN204827657U (en) * | 2015-07-28 | 2015-12-02 | 重庆安来动力机械有限公司 | High -efficient two cooling duct's generating set |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4835405A (en) * | 1987-11-30 | 1989-05-30 | Onan Corporation | Generator set and method |
| JP4785674B2 (en) * | 2006-08-25 | 2011-10-05 | 本田技研工業株式会社 | Engine-driven work machine |
| CN100526620C (en) * | 2007-11-09 | 2009-08-12 | 常州市海润机电有限公司 | Air-cooling diesel engine generation set |
| CN101363362B (en) * | 2008-09-10 | 2012-06-20 | 蒋坚 | Cooling method special for electric generator and enclosed gasoline generating set using the method |
| CN102192003B (en) * | 2011-04-13 | 2013-04-10 | 双悦（福建）动力机械有限公司 | Small-sized air cooling ultra silent gasoline generating set with single cylinder |
| CN102588094A (en) * | 2012-03-02 | 2012-07-18 | 重庆润通动力有限公司 | Engine-driven generator |
| CN104564326B (en) * | 2015-01-30 | 2017-07-11 | 绍兴钜立动力科技有限公司 | A kind of available power unit |
-
2015
- 2015-07-28 CN CN201510447474.5A patent/CN105003336B/en active Active
-
2016
- 2016-06-21 WO PCT/CN2016/086558 patent/WO2017016343A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05312050A (en) * | 1992-05-01 | 1993-11-22 | Kubota Corp | Ventilating and cooling system in soundproofing type engine generator |
| CN1274799A (en) * | 1999-05-21 | 2000-11-29 | 本田技研工业株式会社 | Engine-generator set |
| CN1448623A (en) * | 2002-03-29 | 2003-10-15 | 雅马哈发动机株式会社 | Engine generator |
| JP2006188980A (en) * | 2005-01-06 | 2006-07-20 | Yamaha Motor Co Ltd | Engine type generator |
| CN204827657U (en) * | 2015-07-28 | 2015-12-02 | 重庆安来动力机械有限公司 | High -efficient two cooling duct's generating set |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443239A (en) * | 2015-12-24 | 2016-03-30 | 重庆安来动力机械有限公司 | Air duct for silent power generator unit |
| CN105443239B (en) * | 2015-12-24 | 2017-10-20 | 重庆安来动力机械有限公司 | Mute power generator group air channel |
| CN108343506A (en) * | 2018-05-02 | 2018-07-31 | 隆鑫通用动力股份有限公司 | A kind of generating set |
| CN108343506B (en) * | 2018-05-02 | 2024-03-15 | 隆鑫通用动力股份有限公司 | Generating set |
| WO2022100619A1 (en) * | 2020-11-10 | 2022-05-19 | 尹登昌 | Cooling and heat dissipation method for general-purpose electric generator and general-purpose electric generator |
| CN113364212A (en) * | 2021-06-22 | 2021-09-07 | 重庆鼎工机电有限公司 | Cooling air duct of mute variable-frequency generator set |
| CN113364212B (en) * | 2021-06-22 | 2022-09-23 | 重庆鼎工机电有限公司 | Cooling air duct of mute variable-frequency generator set |
| CN114645763A (en) * | 2022-03-24 | 2022-06-21 | 重庆鼎工机电有限公司 | Air duct of silent generator set |
| CN114645763B (en) * | 2022-03-24 | 2022-12-13 | 重庆鼎工机电有限公司 | Air duct of silent generator set |
| WO2023245781A1 (en) * | 2022-06-21 | 2023-12-28 | 扬州易特普动力科技有限公司 | Generator set suction type permanent magnet generator cooling device based on guiding and isolation |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017016343A1 (en) | 2017-02-02 |
| CN105003336B (en) | 2017-10-20 |
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