JP5591303B2 - エンジン室の換気構造 - Google Patents
エンジン室の換気構造 Download PDFInfo
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- JP5591303B2 JP5591303B2 JP2012235912A JP2012235912A JP5591303B2 JP 5591303 B2 JP5591303 B2 JP 5591303B2 JP 2012235912 A JP2012235912 A JP 2012235912A JP 2012235912 A JP2012235912 A JP 2012235912A JP 5591303 B2 JP5591303 B2 JP 5591303B2
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- Prior art keywords
- engine
- engine room
- ventilation duct
- heat exchanger
- frame
- 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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- 238000009423 ventilation Methods 0.000 title claims description 80
- 238000001816 cooling Methods 0.000 claims description 76
- 238000005192 partition Methods 0.000 claims description 46
- 230000003014 reinforcing effect Effects 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 28
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 25
- 239000004202 carbamide Substances 0.000 description 25
- 239000007864 aqueous solution Substances 0.000 description 24
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005111 flow chemistry technique Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0833—Improving access, e.g. for maintenance, steps for improving driver's access, handrails
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0891—Lids or bonnets or doors or details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/11—Adding substances to exhaust gases the substance or part of the dosing system being cooled
-
- 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
- F01P1/00—Air cooling
- F01P2001/005—Cooling engine rooms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Transportation (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Component Parts Of Construction Machinery (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Exhaust Gas After Treatment (AREA)
Description
図1は、本実施形態に係るエンジン室4の冷却構造を備えた作業車両1の一部を示す分解斜視図である。
図1において、作業車両1は、図示しないフロントフレームと、フロントフレームに対してアーティキュレート可能に連結されたリアフレーム2とを備えるホイールローダとして構成される。このため、作業車両1のフロントフレームには、ブーム、ベルクランク、バケット、およびこれらを駆動する油圧アクチュエータで構成される作業機が設けられる。なお、作業機については、本発明に直接関係する構成ではないため、ここでのそれらの図示および説明を省略する。
ボンネット33は、エンジン室4の前部上方を覆う第1アッパーカバー36、後部上方を覆う第2アッパーカバー37、熱交換器室5全体の上方を覆う第3アッパーカバー38を有する。これらの第1〜第3アッパーカバー36〜38は、サイドカバー31、フロントカバー32などに対してボルト等の適宜な締結手段によって着脱自在に取り付けられる。
図1、図2において、左右のサイドカバー31の内部には、エンジン室4の中ほどから熱交換器室5の後部にかけて換気ダクト8が設けられている。サイドカバー31の上部には、前述した傾斜面31Aが前後にわたって設けられており、傾斜面31Aに略対応して、サイドカバー31の内面に補強部材81が取り付けられている。なお、図2では、補強部材81を実線にて図示するため、便宜上サイドカバー31から外した状態で描いてある。
設けられている。
図2に示すように、排気ガス後処理装置42のミキシング配管45の後部には、図示略のインジェクタが取り付けられ、このインジェクタには尿素水溶液配管47が接続されている。尿素水溶液配管47は、熱交換器室5の下方に設置された尿素水溶液タンクから、熱交換器室5を通ってエンジン室4内に入り込み、インジェクタに接続されている。熱交換器室5内では、尿素水溶液配管47の途中にサプライモジュールが設けられ、このサプライモジュールにより尿素水溶液が尿素水溶液配管47を通して尿素水溶液タンクからインジェクタへ圧送される。
Claims (5)
- エンジンが収容されるとともに、熱交換器に冷却空気を供給する冷却ファンが隣設されたエンジン室の換気構造において、
前記エンジンおよび前記冷却ファンを覆う外装カバーと、
前記外装カバーの内面を含んで形成された換気ダクトとを備え、
前記冷却ファンは、その外周を覆うファンシュラウド内で回転駆動され、
前記ファンシュラウドは、その外周を囲うフレーム内に収容され、
前記換気ダクトの一端は、前記エンジン室で開口し、
前記換気ダクトの他端は、前記フレームの内部空間および前記ファンシュラウドに設けられた連通開口を通して、前記冷却ファンの外周側と連通している
ことを特徴とするエンジン室の換気構造。 - 請求項1に記載のエンジン室の換気構造において、
前記換気ダクトは、前記外装カバーの内面と、当該内面に取り付けられた補強部材とで形成された空気通路を有している
ことを特徴とするエンジン室の換気構造。 - 請求項1または請求項2に記載のエンジン室の換気構造において、
前記熱交換器が収容される熱交換器室と、
前記熱交換器室および前記エンジン室の間を仕切る仕切壁とを備える
ことを特徴とするエンジン室の換気構造。 - 請求項1ないし請求項3のいずれかに記載のエンジン室の換気構造において、
前記エンジン室には、前記エンジンからの排気ガスを浄化する排気ガス後処理装置が設けられ、
前記換気ダクトの一端は、前記排気ガス後処理装置に向けて開口している
ことを特徴とするエンジン室の換気構造。 - 請求項1ないし請求項4のいずれかに記載のエンジン室の換気構造において、
前記換気ダクトの空気通路の断面積は、前記一端側から前記他端側に向けて徐々に小さくなっている
ことを特徴とするエンジン室の換気構造。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012235912A JP5591303B2 (ja) | 2012-10-25 | 2012-10-25 | エンジン室の換気構造 |
EP13849841.5A EP2821613B1 (en) | 2012-10-25 | 2013-09-05 | Ventilation structure for engine compartment |
CN201380016958.3A CN104246165B (zh) | 2012-10-25 | 2013-09-05 | 发动机室的换气结构 |
US14/397,634 US9388730B2 (en) | 2012-10-25 | 2013-09-05 | Ventilation structure for engine compartment |
PCT/JP2013/073942 WO2014065022A1 (ja) | 2012-10-25 | 2013-09-05 | エンジン室の換気構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012235912A JP5591303B2 (ja) | 2012-10-25 | 2012-10-25 | エンジン室の換気構造 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014084831A JP2014084831A (ja) | 2014-05-12 |
JP2014084831A5 JP2014084831A5 (ja) | 2014-08-07 |
JP5591303B2 true JP5591303B2 (ja) | 2014-09-17 |
Family
ID=50544403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012235912A Active JP5591303B2 (ja) | 2012-10-25 | 2012-10-25 | エンジン室の換気構造 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9388730B2 (ja) |
EP (1) | EP2821613B1 (ja) |
JP (1) | JP5591303B2 (ja) |
CN (1) | CN104246165B (ja) |
WO (1) | WO2014065022A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011113907A1 (de) * | 2011-09-21 | 2012-04-05 | Daimler Ag | Verstellbare Verkleidung für einen Kraftwagen |
DE102014003155A1 (de) * | 2014-03-03 | 2015-09-03 | Liebherr-Mining Equipment Colmar Sas | Arbeitsmaschine, insbesondere Muldenkipper oder Truck |
JP5629845B1 (ja) * | 2014-03-31 | 2014-11-26 | 株式会社小松製作所 | 作業車両 |
JP6009063B2 (ja) * | 2014-08-19 | 2016-10-19 | 株式会社小松製作所 | 作業車両 |
US10550545B2 (en) | 2014-12-12 | 2020-02-04 | Komatsu Ltd. | Work vehicle |
JP6423733B2 (ja) * | 2015-02-16 | 2018-11-14 | 本田技研工業株式会社 | 排気浄化システム |
WO2016189940A1 (ja) * | 2015-05-22 | 2016-12-01 | ヤンマー株式会社 | トラクタ |
US10207577B2 (en) * | 2015-10-23 | 2019-02-19 | Komatsu Ltd. | Tractor |
JP6445476B2 (ja) * | 2016-01-29 | 2018-12-26 | 日立建機株式会社 | 建設機械 |
JP6385381B2 (ja) * | 2016-03-18 | 2018-09-05 | 日立建機株式会社 | 建設機械 |
JP6548224B2 (ja) * | 2016-03-29 | 2019-07-24 | 日立建機株式会社 | 作業機械 |
CN108382322A (zh) * | 2018-04-23 | 2018-08-10 | 张家港润盛科技材料有限公司 | 一种用于汽车发动机的铝制护板 |
US11156160B2 (en) | 2018-06-29 | 2021-10-26 | Cnh Industrial America Llc | Shielding assembly for debris management |
JP7204608B2 (ja) * | 2019-07-29 | 2023-01-16 | 株式会社Subaru | エンジンのカバー構造 |
JP7373973B2 (ja) * | 2019-11-18 | 2023-11-06 | 株式会社小松製作所 | 作業機械 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4071009A (en) * | 1976-06-28 | 1978-01-31 | Caterpillar Tractor Co. | Combined noise suppressing and air flow guide enclosure for engines |
US4086976A (en) * | 1977-02-02 | 1978-05-02 | International Harvester Company | Isolated clean air chamber and engine compartment in a tractor vehicle |
JP2573000Y2 (ja) | 1992-12-28 | 1998-05-25 | 本田技研工業株式会社 | 内燃機関の強制冷却用シュラウド |
JP3287933B2 (ja) * | 1993-10-29 | 2002-06-04 | トヨタ自動車株式会社 | フードエアバッグ装置 |
JPH07215075A (ja) * | 1994-02-02 | 1995-08-15 | Toyota Motor Corp | エンジンの吸入空気冷却構造 |
JP3774030B2 (ja) * | 1997-04-16 | 2006-05-10 | ヤンマー農機株式会社 | コンバイン |
JP2007283801A (ja) * | 2006-04-12 | 2007-11-01 | Hitachi Constr Mach Co Ltd | 建設機械 |
JP4594942B2 (ja) * | 2007-01-16 | 2010-12-08 | コベルコ建機株式会社 | 建設機械の冷却構造 |
-
2012
- 2012-10-25 JP JP2012235912A patent/JP5591303B2/ja active Active
-
2013
- 2013-09-05 US US14/397,634 patent/US9388730B2/en active Active
- 2013-09-05 CN CN201380016958.3A patent/CN104246165B/zh active Active
- 2013-09-05 EP EP13849841.5A patent/EP2821613B1/en active Active
- 2013-09-05 WO PCT/JP2013/073942 patent/WO2014065022A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2014084831A (ja) | 2014-05-12 |
EP2821613B1 (en) | 2017-01-11 |
WO2014065022A1 (ja) | 2014-05-01 |
EP2821613A4 (en) | 2015-12-30 |
CN104246165B (zh) | 2017-05-31 |
US9388730B2 (en) | 2016-07-12 |
EP2821613A1 (en) | 2015-01-07 |
US20150068470A1 (en) | 2015-03-12 |
CN104246165A (zh) | 2014-12-24 |
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