CN100368661C - 四冲程内燃机 - Google Patents

四冲程内燃机 Download PDF

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Publication number
CN100368661C
CN100368661C CNB2005100550267A CN200510055026A CN100368661C CN 100368661 C CN100368661 C CN 100368661C CN B2005100550267 A CNB2005100550267 A CN B2005100550267A CN 200510055026 A CN200510055026 A CN 200510055026A CN 100368661 C CN100368661 C CN 100368661C
Authority
CN
China
Prior art keywords
engine
internal
combustion engine
internal combustion
piston
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
Application number
CNB2005100550267A
Other languages
English (en)
Chinese (zh)
Other versions
CN1654794A (zh
Inventor
尼古拉斯·罗伯特·赫希
马克·唐纳德·谢弗
麦克尔·保罗·布劳恩
彼得·霍茨
达雷尔·埃尔伯特·维亚特朗斯基
罗纳德·李·巴特尔特
布赖恩·哈伯德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Briggs and Stratton Corp
Original Assignee
Briggs and Stratton Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Briggs and Stratton Corp filed Critical Briggs and Stratton Corp
Publication of CN1654794A publication Critical patent/CN1654794A/zh
Application granted granted Critical
Publication of CN100368661C publication Critical patent/CN100368661C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • F02B69/00—Internal-combustion engines convertible into other combustion-engine type, not provided for in F02B11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/024—Belt drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/04—Pressure lubrication using pressure in working cylinder or crankcase to operate lubricant feeding devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/06—Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
    • F01M11/062—Accommodating movement or position of machines or engines, e.g. dry sumps
    • F01M11/064—Movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/06—Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
    • F01M11/062—Accommodating movement or position of machines or engines, e.g. dry sumps
    • F01M11/065—Position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/06—Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
    • F01M11/062—Accommodating movement or position of machines or engines, e.g. dry sumps
    • F01M11/065—Position
    • F01M11/067—Position inverted, e.g. for inverted flight
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/02—Crankcase ventilating or breathing by means of additional source of positive or negative pressure
    • F01M13/021—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure
    • F01M13/022—Crankcase ventilating or breathing by means of additional source of positive or negative pressure of negative pressure using engine inlet suction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M3/00—Lubrication specially adapted for engines with crankcase compression of fuel-air mixture or for other engines in which lubricant is contained in fuel, combustion air, or fuel-air mixture
    • 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
    • F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
    • 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
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/26—Cylinder heads having cooling means
    • F02F1/28—Cylinder heads having cooling means for air cooling
    • F02F1/30—Finned cylinder heads
    • F02F1/305—Finned cylinder heads the cylinder heads being of side valve type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/06—Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/0004—Oilsumps
    • F01M2011/0037—Oilsumps with different oil compartments
    • F01M2011/0041—Oilsumps with different oil compartments for accommodating movement or position of engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0422—Separating oil and gas with a centrifuge device
    • 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
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/22—Side valves
    • 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
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/30—Inverted positioning of engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Gears, Cams (AREA)
CNB2005100550267A 1999-01-25 2000-01-13 四冲程内燃机 Expired - Fee Related CN100368661C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11721599P 1999-01-25 1999-01-25
US60/117,215 1999-01-25

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN 00803081 Division CN1218118C (zh) 1999-01-25 2000-01-13 四冲程内燃机

Publications (2)

Publication Number Publication Date
CN1654794A CN1654794A (zh) 2005-08-17
CN100368661C true CN100368661C (zh) 2008-02-13

Family

ID=22371571

Family Applications (7)

Application Number Title Priority Date Filing Date
CNB2005100550267A Expired - Fee Related CN100368661C (zh) 1999-01-25 2000-01-13 四冲程内燃机
CN 00803081 Expired - Fee Related CN1218118C (zh) 1999-01-25 2000-01-13 四冲程内燃机
CNB2004100590950A Expired - Fee Related CN100351505C (zh) 1999-01-25 2000-01-13 四冲程内燃机
CNB2004100590931A Expired - Fee Related CN1298973C (zh) 1999-01-25 2000-01-13 四冲程内燃机
CNB2004100590946A Expired - Fee Related CN100357577C (zh) 1999-01-25 2000-01-13 四冲程内燃机
CNB2004100590965A Expired - Fee Related CN1298974C (zh) 1999-01-25 2000-01-13 四冲程内燃机
CNB2004100590927A Expired - Fee Related CN1298972C (zh) 1999-01-25 2000-01-13 四冲程内燃机

Family Applications After (6)

Application Number Title Priority Date Filing Date
CN 00803081 Expired - Fee Related CN1218118C (zh) 1999-01-25 2000-01-13 四冲程内燃机
CNB2004100590950A Expired - Fee Related CN100351505C (zh) 1999-01-25 2000-01-13 四冲程内燃机
CNB2004100590931A Expired - Fee Related CN1298973C (zh) 1999-01-25 2000-01-13 四冲程内燃机
CNB2004100590946A Expired - Fee Related CN100357577C (zh) 1999-01-25 2000-01-13 四冲程内燃机
CNB2004100590965A Expired - Fee Related CN1298974C (zh) 1999-01-25 2000-01-13 四冲程内燃机
CNB2004100590927A Expired - Fee Related CN1298972C (zh) 1999-01-25 2000-01-13 四冲程内燃机

Country Status (8)

Country Link
EP (1) EP1147298B1 (enExample)
JP (5) JP2002535547A (enExample)
CN (7) CN100368661C (enExample)
AU (1) AU760498B2 (enExample)
CA (1) CA2368207C (enExample)
DE (5) DE60018986T2 (enExample)
DK (2) DK1267052T3 (enExample)
WO (1) WO2000043655A1 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6499453B1 (en) * 2000-10-30 2002-12-31 Tecumseh Products Company Mid cam engine
US6874458B2 (en) 2001-12-28 2005-04-05 Kohler Co. Balance system for single cylinder engine
US6739304B2 (en) 2002-06-28 2004-05-25 Kohler Co. Cross-flow cylinder head
US6732701B2 (en) 2002-07-01 2004-05-11 Kohler Co. Oil circuit for twin cam internal combustion engine
US6837206B2 (en) 2002-07-11 2005-01-04 Kohler Co. Crankcase cover with oil passages
US6742488B2 (en) 2002-07-18 2004-06-01 Kohler Co. Component for governing air flow in and around cylinder head port
US6752846B2 (en) 2002-07-18 2004-06-22 Kohler Co. Panel type air filter element with integral baffle
US6978751B2 (en) 2002-07-18 2005-12-27 Kohler Co. Cam follower arm for an internal combustion engine
US6837207B2 (en) 2002-07-18 2005-01-04 Kohler Co. Inverted crankcase with attachments for an internal combustion engine
US7134418B2 (en) 2004-06-21 2006-11-14 Briggs & Stratton Corporation Four-stroke internal combustion engine
WO2007083254A2 (en) * 2006-01-17 2007-07-26 Christiaan Philippus Von Stade Oscillating piston engine anp its conversion mechanism
JP5261460B2 (ja) * 2010-10-22 2013-08-14 株式会社神戸製鋼所 往復動圧縮機のクランクケース
CN103511017B (zh) * 2012-06-15 2016-12-21 苏州科瓴精密机械科技有限公司 油泵供油系统
CN103603743B (zh) * 2013-10-21 2016-01-27 浙江亚特电器有限公司 一种引擎曲轴箱结构
CN103993927B (zh) * 2014-04-28 2017-04-26 浙江亚特电器有限公司 一种发动机脉冲油气润滑系统及方法
DE102015101459A1 (de) 2015-02-02 2016-08-04 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Gehäuse für einen Motor oder Kompressor
CN105673132B (zh) * 2016-03-18 2017-07-07 浙江亚特电器有限公司 一种四冲程发动机定量单向油气润滑系统及方法
CN105863831A (zh) * 2016-05-05 2016-08-17 陈焕祥 一种整体式简易发动机
JP6452742B2 (ja) * 2017-03-07 2019-01-16 本田技研工業株式会社 内燃機関のオイルフィルタ構造
WO2019116430A1 (ja) * 2017-12-11 2019-06-20 本田技研工業株式会社 内燃機関
CN110925054A (zh) * 2019-12-13 2020-03-27 重庆隆鑫机车有限公司 具有通气功能的离合器盖及发动机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1878224A (en) * 1925-09-26 1932-09-20 Packard Motor Car Co Internal combustion engine
US5243937A (en) * 1990-12-29 1993-09-14 Ryobi Limited Portable engine unit
EP0779412A2 (en) * 1995-12-15 1997-06-18 Honda Giken Kogyo Kabushiki Kaisha Lubricating system in a 4-cycle engine
WO1999002824A1 (en) * 1997-07-07 1999-01-21 Ryobi North America, Inc. Multi-position operable four-cycle engine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967595A (en) * 1974-04-15 1976-07-06 Honda Giken Kogyo Kabushiki Kaisha Side valve internal combustion engine
US4513702A (en) * 1981-10-13 1985-04-30 Honda Giken Kogyo Kabushiki Kaisha Internal combustion engine
US4519348A (en) * 1983-04-21 1985-05-28 Edward Hamilton Oil pan and windage tray for high performance engines
FR2662745B1 (fr) * 1990-05-31 1992-09-11 Melchior Technologie Snc Perfectionnements aux moteurs alternatifs a combustion interne, du type a deux temps.
US5241932A (en) * 1991-12-02 1993-09-07 Ryobi Outdoor Products Operator carried power tool having a four-cycle engine
JP3143777B2 (ja) * 1996-03-19 2001-03-07 本田技研工業株式会社 作業用四サイクルエンジン
CN1093220C (zh) * 1996-12-10 2002-10-23 本田技研工业株式会社 护框式内燃机带动机械装置
JPH10288019A (ja) * 1997-04-18 1998-10-27 Fuji Robin Ind Ltd ４サイクルエンジンの潤滑装置
US5857439A (en) * 1997-05-22 1999-01-12 Kioritz Corporation Controlled noise portable power unit for operating a tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1878224A (en) * 1925-09-26 1932-09-20 Packard Motor Car Co Internal combustion engine
US5243937A (en) * 1990-12-29 1993-09-14 Ryobi Limited Portable engine unit
EP0779412A2 (en) * 1995-12-15 1997-06-18 Honda Giken Kogyo Kabushiki Kaisha Lubricating system in a 4-cycle engine
WO1999002824A1 (en) * 1997-07-07 1999-01-21 Ryobi North America, Inc. Multi-position operable four-cycle engine

Also Published As

Publication number Publication date
CN1560448A (zh) 2005-01-05
DE60017200D1 (de) 2005-02-03
CN1218118C (zh) 2005-09-07
CN1560447A (zh) 2005-01-05
DE60018905D1 (de) 2005-04-28
DK1267054T3 (da) 2005-05-09
CN100357577C (zh) 2007-12-26
DE60017198D1 (de) 2005-02-03
EP1147298B1 (en) 2005-03-23
DE60017198T2 (de) 2005-12-22
AU760498B2 (en) 2003-05-15
WO2000043655A1 (en) 2000-07-27
CN1298972C (zh) 2007-02-07
JP2005282582A (ja) 2005-10-13
CN1298974C (zh) 2007-02-07
CN1654794A (zh) 2005-08-17
DE60018986T2 (de) 2006-01-26
EP1147298A1 (en) 2001-10-24
JP2002535547A (ja) 2002-10-22
DE60018986D1 (de) 2005-04-28
CN1298973C (zh) 2007-02-07
DK1267052T3 (da) 2005-05-09
JP2006138326A (ja) 2006-06-01
CN1560445A (zh) 2005-01-05
JP2005344727A (ja) 2005-12-15
DE60018905T2 (de) 2006-03-30
CA2368207C (en) 2005-12-13
AU2610700A (en) 2000-08-07
DE60017200T2 (de) 2005-12-22
JP2005320975A (ja) 2005-11-17
CA2368207A1 (en) 2000-07-27
CN1338024A (zh) 2002-02-27
CN100351505C (zh) 2007-11-28
CN1560449A (zh) 2005-01-05
DE60031463D1 (de) 2006-11-30
CN1560446A (zh) 2005-01-05
DE60031463T2 (de) 2007-08-23

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Granted publication date: 20080213

Termination date: 20120113