CN1921924B - 带有油分离器和易更换阀的双筒空气干燥器 - Google Patents

带有油分离器和易更换阀的双筒空气干燥器 Download PDF

Info

Publication number
CN1921924B
CN1921924B CN200580006029XA CN200580006029A CN1921924B CN 1921924 B CN1921924 B CN 1921924B CN 200580006029X A CN200580006029X A CN 200580006029XA CN 200580006029 A CN200580006029 A CN 200580006029A CN 1921924 B CN1921924 B CN 1921924B
Authority
CN
China
Prior art keywords
air
oil separator
valve
desiccant
central region
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
CN200580006029XA
Other languages
English (en)
Chinese (zh)
Other versions
CN1921924A (zh
Inventor
蒙特·萨尔兹曼
托马斯·J·马奥尼
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.)
SKF USA Inc
Original Assignee
SKF USA Inc
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 SKF USA Inc filed Critical SKF USA Inc
Publication of CN1921924A publication Critical patent/CN1921924A/zh
Application granted granted Critical
Publication of CN1921924B publication Critical patent/CN1921924B/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0415—Beds in cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
    • B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/003—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40003—Methods relating to valve switching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40086—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by using a purge gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/402—Further details for adsorption processes and devices using two beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/17—Compressed air water removal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Gases (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtering Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CN200580006029XA 2004-02-27 2005-02-08 带有油分离器和易更换阀的双筒空气干燥器 Expired - Fee Related CN1921924B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/788,872 US7097696B2 (en) 2004-02-27 2004-02-27 Dual cartridge air dryer with oil separator and readily changeable valves
US10/788,872 2004-02-27
PCT/US2005/003661 WO2005091783A2 (en) 2004-02-27 2005-02-08 Dual cartridge air dryer with oil separator and readily changeable valves

Publications (2)

Publication Number Publication Date
CN1921924A CN1921924A (zh) 2007-02-28
CN1921924B true CN1921924B (zh) 2011-08-03

Family

ID=34887111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200580006029XA Expired - Fee Related CN1921924B (zh) 2004-02-27 2005-02-08 带有油分离器和易更换阀的双筒空气干燥器

Country Status (10)

Country Link
US (1) US7097696B2 (enExample)
EP (1) EP1718392B1 (enExample)
JP (2) JP5325419B2 (enExample)
KR (1) KR101128881B1 (enExample)
CN (1) CN1921924B (enExample)
AU (1) AU2005227045B2 (enExample)
BR (1) BRPI0507996A (enExample)
CA (1) CA2557332C (enExample)
NZ (1) NZ548964A (enExample)
WO (1) WO2005091783A2 (enExample)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004059508C5 (de) * 2004-12-10 2008-07-03 Haldex Brake Products Gmbh Verfahren zum Reinigen von Druckluft an Druckluftbeschaffungsanlagen von Kraftfahrzeugen sowie Kartusche hierfür
TWI291367B (en) * 2006-06-09 2007-12-21 Bossmen Inc Air drying device for air dryer
CN100540115C (zh) * 2006-06-19 2009-09-16 博士门股份有限公司 空气干燥机的空气干燥装置
US7992667B2 (en) * 2006-08-08 2011-08-09 David Wayne Rennie Oil cooling and filtering system, kit and apparatus
US20080098564A1 (en) * 2006-10-24 2008-05-01 Fojtik Shawn P Locking Hinges for Syringe Handles, Syringes Including Locking Hinges, and Associated Methods
US7981194B2 (en) * 2006-11-10 2011-07-19 Bendix Commercial Vehicle Systems Llc Air drying arrangement
ITUD20070024A1 (it) * 2007-02-07 2008-08-08 Ohg Ind O M I Srl Gruppo di filtraggio per uno scambiatore di calore
US7635409B2 (en) * 2007-03-09 2009-12-22 Skf Usa Inc. Air dryer systems
CN101306291B (zh) * 2007-05-15 2011-10-05 淳靖股份有限公司 旋风式油细分离罐
GB0719917D0 (en) 2007-10-11 2007-11-21 Walker Filtration Ltd Regenerative adsorption gas dryer
DE102007050853B3 (de) * 2007-10-24 2009-05-07 Dräger Medical AG & Co. KG Einmalabsorber mit Adapter und Lippendichtung
EP2377597B1 (en) * 2009-01-14 2018-05-30 Nabtesco Automotive Corporation Oil suppressing structure in air drying device
JP5542388B2 (ja) * 2009-08-11 2014-07-09 ナブテスコオートモーティブ株式会社 空気乾燥装置
US8776834B2 (en) * 2009-09-02 2014-07-15 Rick Kirby Device for the deflection of the air jet pulse from the air dryer of large truck air brakes
DE102010024889B4 (de) * 2010-06-24 2014-12-11 Wabco Gmbh Luftversorgungseinrichtung für ein Fahrzeug mit pneumatischen Einrichtungen
US9017460B2 (en) * 2010-11-15 2015-04-28 Nabtesco Automotive Corporation Silencer, exhaust valve, valve device, air dryer, compressed air supply device for vehicle, and compressed air supply system
WO2012067215A2 (ja) 2010-11-15 2012-05-24 ナブテスコオートモーティブ株式会社 サイレンサ、エキゾーストバルブ、バルブ装置、エアドライヤ、車両用圧縮空気供給装置及び圧縮空気供給システム
US8557030B2 (en) 2011-04-06 2013-10-15 Bendix Commercial Vehicle Systems Llc Air dryer assembly
US8999045B2 (en) 2012-01-05 2015-04-07 Suburban Manufacturing, Inc. Regenerative air dryer
WO2013129496A1 (ja) 2012-02-27 2013-09-06 ナブテスコオートモーティブ 株式会社 オイルセパレータ
CN104350247B (zh) 2012-02-27 2017-12-15 纳薄特斯克汽车零部件有限公司 油分离器
CN106150978B (zh) 2012-02-27 2020-02-28 纳博特斯克汽车零部件有限公司 分油器
EP3581800B1 (en) 2012-05-10 2021-02-17 Nabtesco Automotive Corporation Air dryer with oil separator
IN2014MN02671A (enExample) 2012-07-02 2015-08-28 Nabtesco Automotive Corp
DE102012108581B3 (de) * 2012-09-13 2014-01-23 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kompakte Lufttrocknungsanlage mit modularem Aufbau
US9457785B2 (en) 2012-10-30 2016-10-04 Bendix Commercial Vehicle Systems, Llc Heat-exchange dryer apparatus, system and method
GB201303496D0 (en) 2013-02-27 2013-04-10 Norgren Ltd C A Filter with optimized fluid flows
US9375679B2 (en) * 2013-08-30 2016-06-28 Haldex Brake Products Corporation Air dryer assembly with manifold system
DE112014005632T5 (de) * 2013-12-12 2016-10-06 Nabtesco Automotive Corporation Drucklufttrocknungsvorrichtung
CN104083995B (zh) * 2014-07-25 2017-05-17 株洲壹星科技股份有限公司 空气压缩机无热吸附空气干燥方法及模块式空气干燥机
DE102016006095B4 (de) 2015-07-16 2023-05-25 Mann+Hummel Gmbh Abscheidemodul, Leitungsmodul sowie Entlüftungsvorrichtung
DE102015122168A1 (de) * 2015-12-18 2017-06-22 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Lufttrocknerpatrone
JP6728966B2 (ja) * 2016-05-19 2020-07-22 アイシン精機株式会社 エアサスペンション用ドライヤ
JP6441392B2 (ja) * 2017-02-15 2018-12-19 ナブテスコオートモーティブ株式会社 オイルセパレータ、圧縮空気供給装置、及び車両
DE102018000981A1 (de) * 2017-03-08 2018-09-13 Mann+Hummel Gmbh Strömungsoptimierte Trockenmittelkartusche
US10807582B2 (en) * 2018-03-27 2020-10-20 Bendix Commercial Vehicle Systems Llc Effluent processing apparatus and method for a vehicle air brake charging system
CN108434944A (zh) * 2018-04-18 2018-08-24 广州市汉粤净化科技有限公司 一种带三个吸附筒的干燥机
CN110979285B (zh) * 2019-12-16 2021-02-23 扬州市奥特瑞汽车电子科技有限公司 一种汽车气管路复合净化装置
BE1028303B1 (nl) * 2020-05-13 2021-12-16 Atlas Copco Airpower Nv Inrichting en werkwijze voor het adsorberen van een gas uit een te behandelen gasmengsel
CN111715039A (zh) * 2020-07-21 2020-09-29 株洲嘉盛柏联轨道交通设备有限公司 吸附式双塔空气干燥器
CN111994062B (zh) * 2020-08-28 2021-11-12 东风商用车有限公司 一种气制动空气干燥器、气制动控制系统和车辆
EP4265319A1 (en) * 2020-12-18 2023-10-25 Semyungtech Co., Ltd. Air dryer cartridge
EP4026603A1 (en) * 2021-01-12 2022-07-13 KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH Desiccant container, air dryer cartridge and air treatment device
CN115977930B (zh) * 2023-02-28 2025-07-25 采埃孚商用车系统(青岛)有限公司 卸荷装置和空气压缩机
US12031463B1 (en) * 2023-05-31 2024-07-09 Deltahawk Engines, Inc. Separator for liquid and gas
CN119524585B (zh) * 2025-01-22 2025-04-15 浙江施克汽车配件有限公司 一种储液干燥器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5660607A (en) * 1994-08-23 1997-08-26 Filterwerk Mann & Hummel Gmbh Apparatus for separating oil aerosols from air
CN1218170A (zh) * 1997-11-26 1999-06-02 西屋气刹车公司 空气压缩机组的e－1双柱空气干燥器
US6094836A (en) * 1999-04-12 2000-08-01 Skf Usa Inc. Dual air dryer with spin-on cartridges
US6280492B1 (en) * 1994-12-06 2001-08-28 Filterwerk Mann & Hummel Gmbh Flange for a device for separating an oil aerosol from air
US6581297B1 (en) * 2000-11-17 2003-06-24 Graham-White Manufacturing Company Drying apparatus and method

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891417A (en) 1974-01-28 1975-06-24 King Eng Corp Filter and sorbent cartridge
US4108617A (en) 1977-02-07 1978-08-22 Graham-White Sales Corp. Dual filter assembly
US4468239A (en) 1983-01-07 1984-08-28 Roanoke College Twin tower assembly for decontaminating compressed gas
US4692175A (en) 1986-03-17 1987-09-08 Roanoke College Two-stage precoalescer unit
US5209764A (en) 1991-08-20 1993-05-11 Allied Signal Inc. Compressed air system with twin air dryers
US5378266A (en) 1993-08-02 1995-01-03 Alliedsignal Inc. Air dryer system
JP2789426B2 (ja) * 1994-06-03 1998-08-20 ウエツトマスター株式会社 蒸気の減圧兼ドレン分離方法及びその装置
JPH08173740A (ja) * 1994-12-27 1996-07-09 Tokai Rubber Ind Ltd ミスト除去装置
JPH09117625A (ja) * 1995-10-24 1997-05-06 Tokai Rubber Ind Ltd オイル回収装置
AUPN877296A0 (en) * 1996-03-19 1996-04-18 General Pneumatics Pty Ltd Compressed air filter
JPH1176723A (ja) * 1997-09-05 1999-03-23 Mitsubishi Electric Corp オイルミストトラップ
US5901459A (en) 1997-11-26 1999-05-11 Westinghouse Air Brake Company Shuttle mechanism for twin tower air dryer system
US6000432A (en) * 1997-11-26 1999-12-14 Westinghouse Air Brake Company Control valve with axial sealing
JP3107375B2 (ja) * 1997-12-18 2000-11-06 清武 遠藤 オイルミスト捕集装置
US5961698A (en) 1998-02-02 1999-10-05 Westinghouse Air Brake Company Twin tower air dryer
US6014820A (en) 1998-02-02 2000-01-18 Westinghouse Air Brake Company Shuttle valve for twin tower air dryer
SE9800843L (sv) 1998-03-16 1999-09-17 Haldex Brake Prod Ab Lufttorkare
DE10051307B4 (de) * 2000-10-17 2008-07-31 Robert Bosch Gmbh Vorrichtung zur Trennung von Gas und Flüssigkeit-Festkörperpartikeln aus einem in einer Leitung strömenden Gas-Flüssigkeit-Festkörperpartikelgemisch und Verfahren zur Trennung derselben
US6641633B2 (en) * 2001-04-23 2003-11-04 Julian L. Witengier Gas/liquid separator for a pneumatic line
JP2002357376A (ja) * 2001-06-01 2002-12-13 Mitsubishi Electric Corp 油分離器
JP4723130B2 (ja) * 2001-08-08 2011-07-13 シーケーディ株式会社 吸着分離装置
US20040118092A1 (en) * 2002-12-20 2004-06-24 Honeywell International Inc. High strength and ultra-efficient oil coalescer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5660607A (en) * 1994-08-23 1997-08-26 Filterwerk Mann & Hummel Gmbh Apparatus for separating oil aerosols from air
US6280492B1 (en) * 1994-12-06 2001-08-28 Filterwerk Mann & Hummel Gmbh Flange for a device for separating an oil aerosol from air
CN1218170A (zh) * 1997-11-26 1999-06-02 西屋气刹车公司 空气压缩机组的e－1双柱空气干燥器
US6094836A (en) * 1999-04-12 2000-08-01 Skf Usa Inc. Dual air dryer with spin-on cartridges
US6581297B1 (en) * 2000-11-17 2003-06-24 Graham-White Manufacturing Company Drying apparatus and method

Also Published As

Publication number Publication date
JP2007525324A (ja) 2007-09-06
BRPI0507996A (pt) 2007-07-31
CA2557332C (en) 2013-05-07
JP5325419B2 (ja) 2013-10-23
WO2005091783A3 (en) 2006-03-16
CN1921924A (zh) 2007-02-28
WO2005091783A2 (en) 2005-10-06
AU2005227045B2 (en) 2009-11-12
CA2557332A1 (en) 2005-10-06
JP2012130917A (ja) 2012-07-12
EP1718392B1 (en) 2014-07-16
US20050188848A1 (en) 2005-09-01
US7097696B2 (en) 2006-08-29
EP1718392A2 (en) 2006-11-08
NZ548964A (en) 2009-07-31
EP1718392A4 (en) 2009-08-19
AU2005227045A1 (en) 2005-10-06
KR101128881B1 (ko) 2012-03-26
KR20070001963A (ko) 2007-01-04

Similar Documents

Publication Publication Date Title
CN1921924B (zh) 带有油分离器和易更换阀的双筒空气干燥器
JP2007525324A5 (enExample)
US3464186A (en) Dryer for compressed fluid systems
CN101175549B (zh) 空气干燥器筒体
US20140260995A1 (en) Air Dryer Cartridge with Integrated Check Valve
US20120255437A1 (en) Air Dryer Assembly
KR20060131901A (ko) 일회용 카트리지 공기/가스 건조기
JP2004538123A (ja) 圧縮空気乾燥機用単板圧縮と密封設計
US6094836A (en) Dual air dryer with spin-on cartridges
US20070180999A1 (en) Air dryer cartridge
US20160325224A1 (en) Compressed air drying device
CN1327937C (zh) 带有整体除油过滤器的离心式干燥剂滤筒
AU754629B2 (en) Control valve with axial sealing
CN1791455B (zh) 空气干燥器筒
KR102490306B1 (ko) 상용차용 공기 건조기 카트리지
MXPA06009139A (en) Dual cartridge air dryer with oil separator and readily changeable valves
US4199331A (en) Dual filter assembly for compressed gas
JP2002028434A (ja) 気体の除湿装置
JPS64991Y2 (enExample)
JPH061223Y2 (ja) エアドライヤ装置
EP4265319A1 (en) Air dryer cartridge
JP3357447B2 (ja) 圧縮空気清浄除湿装置
JP2570431Y2 (ja) 除湿器
JPS6333411B2 (enExample)

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110803

Termination date: 20140208