DE68917990D1 - Wirbelrohr-Abscheider. - Google Patents
Wirbelrohr-Abscheider.Info
- Publication number
- DE68917990D1 DE68917990D1 DE68917990T DE68917990T DE68917990D1 DE 68917990 D1 DE68917990 D1 DE 68917990D1 DE 68917990 T DE68917990 T DE 68917990T DE 68917990 T DE68917990 T DE 68917990T DE 68917990 D1 DE68917990 D1 DE 68917990D1
- Authority
- DE
- Germany
- Prior art keywords
- region
- tube
- downstream
- inlet
- outlet
- 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 - Lifetime
Links
- 238000000926 separation method Methods 0.000 abstract 3
- 239000002245 particle Substances 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 238000011144 upstream manufacturing Methods 0.000 abstract 2
- 230000001133 acceleration Effects 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Classifications
-
- 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
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct
- B04C3/06—Construction of inlets or outlets to the vortex chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct
- B04C2003/006—Construction of elements by which the vortex flow is generated or degenerated
Landscapes
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Cyclones (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Treating Waste Gases (AREA)
- Cleaning In General (AREA)
- Eye Examination Apparatus (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
- Centrifugal Separators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA883923 | 1988-06-02 | ||
ZA891144 | 1989-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68917990D1 true DE68917990D1 (de) | 1994-10-13 |
DE68917990T2 DE68917990T2 (de) | 1995-04-20 |
Family
ID=27139147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68917990T Expired - Lifetime DE68917990T2 (de) | 1988-06-02 | 1989-05-31 | Wirbelrohr-Abscheider. |
Country Status (19)
Country | Link |
---|---|
US (2) | US4976748A (de) |
EP (2) | EP0344750B1 (de) |
JP (2) | JP2825529B2 (de) |
KR (2) | KR910000212A (de) |
AT (1) | ATE110985T1 (de) |
AU (2) | AU618495B2 (de) |
BR (2) | BR8902558A (de) |
CA (2) | CA1327947C (de) |
DE (1) | DE68917990T2 (de) |
ES (1) | ES2063781T3 (de) |
FI (2) | FI92154C (de) |
FR (2) | FR2632215B1 (de) |
GB (2) | GB2219227B (de) |
IE (2) | IE62617B1 (de) |
IL (2) | IL90502A (de) |
IT (2) | IT1229433B (de) |
MX (2) | MX173430B (de) |
NO (2) | NO177255C (de) |
PT (2) | PT90738B (de) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE68920912T2 (de) * | 1988-06-02 | 1995-05-24 | Cyclofil Pty Ltd | Wirbelrohr-Abscheider. |
GB9123883D0 (en) * | 1991-11-11 | 1992-01-02 | Bhr Group Ltd | Hydrocyclone |
ZA931264B (en) * | 1992-02-27 | 1993-09-17 | Atomic Energy South Africa | Filtration. |
US5215553A (en) * | 1992-09-08 | 1993-06-01 | Blowhard Pneumatic Services Inc. | Apparatus for separating particles from a gaseous medium |
GB2287895B (en) * | 1993-11-16 | 1997-09-10 | Rolls Royce Plc | Improvements in or relating to particle separation |
FR2779441B1 (fr) * | 1998-06-08 | 2000-08-11 | Thide Environnement | Four de thermolyse a double entree de dechets |
US6372019B1 (en) | 1998-10-16 | 2002-04-16 | Translang Technologies, Ltd. | Method of and apparatus for the separation of components of gas mixtures and liquefaction of a gas |
KR20010001213A (ko) * | 1999-06-02 | 2001-01-05 | 구자홍 | 싸이클론 집진장치 |
GB2353236A (en) | 1999-08-17 | 2001-02-21 | Baker Hughes Ltd | Cyclone separator with multiple baffles of distinct pitch |
US6673133B2 (en) | 2000-06-02 | 2004-01-06 | Uop Llc | Cyclone for separating fine solid particles from a gas stream |
US6428589B1 (en) | 2000-09-29 | 2002-08-06 | Royal Appliance Mfg. Co. | Two-stage particle separator for vacuum cleaners |
US6540917B1 (en) | 2000-11-10 | 2003-04-01 | Purolator Facet Inc. | Cyclonic inertial fluid cleaning apparatus |
KR100398684B1 (ko) * | 2000-11-27 | 2003-09-19 | 삼성광주전자 주식회사 | 진공청소기의 사이클론 집진장치 |
NO318709B1 (no) * | 2000-12-22 | 2005-05-02 | Statoil Asa | Innretning for separasjon av en vaeske fra en flerfase-fluidstrom |
AU2002347759A1 (en) * | 2001-10-12 | 2003-04-22 | Arcelik A.S. | A cyclone separator |
KR20030034372A (ko) * | 2001-10-23 | 2003-05-09 | 병 도 김 | 볼텍스 튜브를 이용한 가스분리장치 |
WO2003066225A1 (en) * | 2002-01-24 | 2003-08-14 | Uop Llc | Separating fine solid particulates from a gas stream |
US6953490B2 (en) * | 2002-12-16 | 2005-10-11 | Carrier Corporation | In-line oil separator |
US7156889B1 (en) | 2003-07-15 | 2007-01-02 | Astec, Inc. | Assembly for removing dust from gas stream |
WO2005053494A2 (en) * | 2003-11-26 | 2005-06-16 | Electrolux Home Care Products, Ltd. | Dust separation system |
WO2005067777A1 (en) * | 2004-01-07 | 2005-07-28 | Arcelik Anonim Sirketi | A vacuum cleaner |
RU2272973C1 (ru) * | 2004-09-24 | 2006-03-27 | Салават Зайнетдинович Имаев | Способ низкотемпературной сепарации газа (варианты) |
US7918605B2 (en) * | 2004-09-29 | 2011-04-05 | The United States Of America As Represented By The Secretary Of The Army | Gas journal bearing systems and related methods |
ATE531440T1 (de) | 2005-03-31 | 2011-11-15 | Donaldson Co Inc | Luftreiniger-anordnung |
FR2893667B1 (fr) * | 2005-11-24 | 2007-12-28 | Renault Sas | Conduit d'entree pour filtre a particules |
GB2462213B (en) | 2006-06-16 | 2010-12-22 | Cameron Int Corp | Separator and method of separation |
US7879123B2 (en) * | 2007-09-27 | 2011-02-01 | Pall Corporation | Inertial separator |
US7931719B2 (en) * | 2007-12-03 | 2011-04-26 | National Tank Company | Revolution vortex tube gas/liquids separator |
DE102008004571A1 (de) * | 2008-01-09 | 2009-07-23 | Rudolf Bichsel | Vorrichtung zum Behandeln von partikelförmigen biologischen oder pharmakologischen Gut |
US8034143B2 (en) | 2008-03-18 | 2011-10-11 | Uti Limited Partnership | Cyclone |
US8425641B2 (en) * | 2010-06-30 | 2013-04-23 | General Electric Company | Inlet air filtration system |
KR101298615B1 (ko) * | 2011-09-29 | 2013-08-26 | 국방과학연구소 | 미세입자 포집장치 |
US9764265B2 (en) * | 2011-09-30 | 2017-09-19 | Mueller Environmental Designs, Inc. | Swirl helical elements for a viscous impingement particle collection and hydraulic removal system |
DE102011122632A1 (de) * | 2011-12-23 | 2013-06-27 | Mann + Hummel Gmbh | Fliehkraftabscheider und Filteranordnung |
WO2016109175A1 (en) * | 2014-12-31 | 2016-07-07 | 3M Innovative Properties Company | Dust extraction device |
CN107257709B (zh) | 2015-02-24 | 2020-11-10 | 天纳克汽车经营有限公司 | 双螺旋推运器混合系统 |
US9776889B2 (en) | 2015-03-31 | 2017-10-03 | Korea Institute Of Geoscience And Mineral Resources | Pipe-integrated oil well fluid or oilfield fluid separation apparatus, and method thereof |
US9534525B2 (en) | 2015-05-27 | 2017-01-03 | Tenneco Automotive Operating Company Inc. | Mixer assembly for exhaust aftertreatment system |
DE102015011225A1 (de) * | 2015-08-27 | 2017-03-02 | Rt-Filtertechnik Gmbh | Abscheidevorrichtung |
US10835848B2 (en) * | 2015-09-21 | 2020-11-17 | Raytheon Technologies Corporation | Apparatus and method for air particle capture in a gas turbine engine |
WO2017104184A1 (ja) * | 2015-12-17 | 2017-06-22 | 臼井国際産業株式会社 | 気液分離装置 |
WO2017104183A1 (ja) | 2015-12-17 | 2017-06-22 | 臼井国際産業株式会社 | 気液分離用旋回流発生装置 |
RU2621923C9 (ru) * | 2015-12-30 | 2018-11-15 | Акционерное общество "Московский вертолетный завод им. М.Л. Миля" | Циклон |
USD810786S1 (en) | 2016-06-03 | 2018-02-20 | S&B Filters, Inc. | Particle separator for motor vehicle engine intake |
EP3484769B1 (de) * | 2016-07-12 | 2021-10-13 | Sikorsky Aircraft Corporation | Wasserabscheider in eine reihe |
JP6934297B2 (ja) * | 2016-12-08 | 2021-09-15 | 臼井国際産業株式会社 | 気液分離装置 |
JP6921633B2 (ja) * | 2017-06-08 | 2021-08-18 | 株式会社小松製作所 | 作業車両 |
DE102017213608B4 (de) * | 2017-08-04 | 2020-06-18 | Tayyar Bayrakci | Gleichstromzyklonabscheider |
JP7094091B2 (ja) * | 2017-10-25 | 2022-07-01 | 臼井国際産業株式会社 | 気液分離装置 |
KR102003313B1 (ko) * | 2017-11-15 | 2019-07-25 | 한국지질자원연구원 | 가변형 와류기를 구비한 관 일체형 유정유체 또는 유전유제 분리장치 및 그 방법 |
CN112423857A (zh) * | 2018-05-18 | 2021-02-26 | 唐纳森公司 | 用于在空气过滤中使用的预清洁器装置和方法 |
US11660557B2 (en) | 2018-08-27 | 2023-05-30 | Sierra Space Corporation | Low-gravity water capture device with water stabilization |
DK3666362T3 (da) * | 2018-12-12 | 2022-08-29 | Filtra Group Oy | Indretning og fremgangsmåde til fluidrensning |
US11118545B2 (en) * | 2019-03-26 | 2021-09-14 | Caterpillar Inc. | Precleaner system |
US11420144B2 (en) | 2019-05-09 | 2022-08-23 | S&B Filters, Inc | Multi-vane vortex tubes for motor vehicles |
US11395984B2 (en) | 2019-05-24 | 2022-07-26 | Flory Industries | Dust control system and related methods |
US11117143B2 (en) * | 2019-08-26 | 2021-09-14 | Jeong Hwa SON | Centrifugal filtration device |
US11278964B2 (en) | 2019-10-10 | 2022-03-22 | The Boeing Company | Monolithic particle separators |
US11458428B2 (en) * | 2021-02-04 | 2022-10-04 | Fca Us Llc | Particulate separator for engine air cleaner |
JP7435794B2 (ja) * | 2021-03-30 | 2024-02-21 | Jfeスチール株式会社 | サイクロン集塵装置およびサイクロン集塵装置を用いた集塵方法 |
US12065251B2 (en) | 2021-06-29 | 2024-08-20 | Hamilton Sundstrand Corporation | Centrifugal water collector with conical water scupper |
US12025082B2 (en) | 2021-12-22 | 2024-07-02 | Caterpillar Inc. | Air pre-cleaner spin tube |
EP4327912A1 (de) | 2022-08-22 | 2024-02-28 | FISCHER Fuel Cell Compressor AG | Wasserabscheider sowie energieumwandlungsanlage umfassend eine brennstoffzelle und einen wasserabscheider |
US20240165548A1 (en) * | 2022-11-21 | 2024-05-23 | Pall Corporation | Inertial separator and method of use |
US20240167440A1 (en) * | 2022-11-21 | 2024-05-23 | Pall Corporation | Inertial separator and method of use |
Family Cites Families (37)
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GB594576A (en) * | 1943-04-27 | 1947-11-14 | Carrier Engineering Co Ltd | Improvements in or relating to methods of and apparatus for separating solid and liquid particles from fluids |
US1215935A (en) * | 1915-11-22 | 1917-02-13 | Milton L Hickman | Separator. |
US1360349A (en) * | 1920-04-21 | 1920-11-30 | Wright William Lincoln | Steam and oil separator |
US2323707A (en) * | 1940-06-21 | 1943-07-06 | American Blower Corp | Tube type collector |
US2574370A (en) * | 1948-06-30 | 1951-11-06 | Standard Oil Dev Co | Equipment for removal of entrained solids |
US2806551A (en) * | 1951-10-16 | 1957-09-17 | Oswald X Heinrich | Centrifugal dust collector with laminar gas flow |
FR1165606A (fr) * | 1956-02-18 | 1958-10-28 | Larderello | Séparateur centrifuge à cyclone |
FR1278711A (fr) * | 1960-11-03 | 1961-12-15 | Accessories Company Ltd | Filtre à air |
FR1414781A (fr) * | 1964-02-06 | 1965-10-22 | Prec Mecanique Labinal | Perfectionnements apportés aux filtres pour fluides gazeux |
FR1392667A (fr) * | 1964-02-06 | 1965-03-19 | Prec Mecanique Labinal | Perfectionnements apportés aux cellules filtrantes |
NL276188A (de) * | 1966-09-19 | |||
US3421296A (en) * | 1966-11-15 | 1969-01-14 | United Aircraft Corp | Engine inlet air particle separator |
US3469566A (en) * | 1967-01-19 | 1969-09-30 | Hastings Mfg Co | Centrifugal air precleaner with blower |
US3444672A (en) * | 1967-05-08 | 1969-05-20 | Michigan Dynamics Inc | Air cleaner for turbine engines |
GB1236942A (en) * | 1967-06-19 | 1971-06-23 | Pall Corp | Air cleaner |
US3483676A (en) * | 1967-09-29 | 1969-12-16 | Gen Electric | Helicopter engine air inlets |
US3616616A (en) * | 1968-03-11 | 1971-11-02 | Tech Dev Inc | Particle separator especially for use in connection with jet engines |
US3520114A (en) * | 1968-06-28 | 1970-07-14 | Pall Corp | Vortex air cleaner assembly having uniform particle removal efficiency throughout the array of air cleaners |
US3590560A (en) * | 1969-07-28 | 1971-07-06 | David B Pall | Tubular vortex air cleaner |
GB1310792A (en) * | 1970-04-24 | 1973-03-21 | Pall Corp | Vortex separator |
US3713280A (en) * | 1971-05-17 | 1973-01-30 | Donaldson Co Inc | Ugal air cleaner with static charge dissipating structure19730130 |
FR2142568B1 (de) * | 1971-06-21 | 1973-05-25 | Sofiltra | |
US3915679A (en) * | 1973-04-16 | 1975-10-28 | Pall Corp | Vortex air cleaner array |
US3825212A (en) * | 1973-07-10 | 1974-07-23 | Boeing Co | Aircraft heating and ventilating system |
US3884660A (en) * | 1973-12-07 | 1975-05-20 | Perry Equipment Corp | Gas-liquid separator |
DE2526056A1 (de) * | 1974-06-17 | 1976-01-02 | Bendix Corp | Vorrichtung zur abtrennung von schmutzstoffen |
US4050913A (en) * | 1974-06-28 | 1977-09-27 | Pall Corporation | Vortex air cleaner assembly with acoustic attenuator |
US4008059A (en) * | 1975-05-06 | 1977-02-15 | The United States Of America As Represented By The Secretary Of The Army | Centrifugal separator |
FR2334421A1 (fr) * | 1975-12-12 | 1977-07-08 | Facet Enterprises | Dispositif a ecoulement axial pour le nettoyage d'un gaz |
US4162906A (en) * | 1977-05-05 | 1979-07-31 | Donaldson Company, Inc. | Side outlet tube |
US4127396A (en) * | 1977-07-28 | 1978-11-28 | Halle Industries, Inc. | Air pre-cleaner |
US4311494A (en) * | 1977-09-26 | 1982-01-19 | Facet Enterprises, Inc. | Axial flow gas cleaning device |
GB1592051A (en) * | 1977-11-03 | 1981-07-01 | Rolls Royce | Cyclone separators |
US4255174A (en) * | 1978-11-28 | 1981-03-10 | Rolls-Royce Limited | Separator |
DE2918765A1 (de) * | 1979-05-10 | 1980-11-13 | Kloeckner Humboldt Deutz Ag | Fliehkraftstaubabscheidersystem mit mehreren stufen |
GB2064359B (en) * | 1979-11-29 | 1983-09-21 | Locker Air Maze Ltd | Air filters |
SE451628B (sv) * | 1986-02-21 | 1987-10-19 | Asea Stal Ab | Kraftanleggning med fluidiserad bedd och renare av centrifugaltyp for forbrenningsgaser |
-
1989
- 1989-05-31 DE DE68917990T patent/DE68917990T2/de not_active Expired - Lifetime
- 1989-05-31 AT AT89109848T patent/ATE110985T1/de not_active IP Right Cessation
- 1989-05-31 CA CA000601215A patent/CA1327947C/en not_active Expired - Lifetime
- 1989-05-31 CA CA000601217A patent/CA1327948C/en not_active Expired - Lifetime
- 1989-05-31 EP EP89109848A patent/EP0344750B1/de not_active Expired - Lifetime
- 1989-05-31 EP EP19890109846 patent/EP0344748A3/de not_active Withdrawn
- 1989-05-31 ES ES89109848T patent/ES2063781T3/es not_active Expired - Lifetime
- 1989-05-31 FR FR898907170A patent/FR2632215B1/fr not_active Expired - Lifetime
- 1989-05-31 FR FR898907169A patent/FR2632214B1/fr not_active Expired - Lifetime
- 1989-06-01 IL IL9050289A patent/IL90502A/en unknown
- 1989-06-01 US US07/360,160 patent/US4976748A/en not_active Expired - Lifetime
- 1989-06-01 AU AU35949/89A patent/AU618495B2/en not_active Expired
- 1989-06-01 FI FI892666A patent/FI92154C/fi active IP Right Grant
- 1989-06-01 GB GB8912597A patent/GB2219227B/en not_active Expired - Lifetime
- 1989-06-01 AU AU35950/89A patent/AU616137B2/en not_active Expired
- 1989-06-01 US US07/360,067 patent/US4985058A/en not_active Expired - Lifetime
- 1989-06-01 GB GB8912598A patent/GB2219530B/en not_active Expired - Lifetime
- 1989-06-01 FI FI892668A patent/FI92155C/fi active IP Right Grant
- 1989-06-01 IL IL90500A patent/IL90500A/xx unknown
- 1989-06-01 NO NO892234A patent/NO177255C/no not_active IP Right Cessation
- 1989-06-01 NO NO892236A patent/NO176557C/no not_active IP Right Cessation
- 1989-06-02 BR BR898902558A patent/BR8902558A/pt not_active IP Right Cessation
- 1989-06-02 JP JP1139380A patent/JP2825529B2/ja not_active Expired - Lifetime
- 1989-06-02 BR BR898902556A patent/BR8902556A/pt not_active IP Right Cessation
- 1989-06-02 PT PT90738A patent/PT90738B/pt not_active IP Right Cessation
- 1989-06-02 MX MX016307A patent/MX173430B/es unknown
- 1989-06-02 KR KR1019890007707A patent/KR910000212A/ko not_active Application Discontinuation
- 1989-06-02 JP JP1139382A patent/JP2825530B2/ja not_active Expired - Lifetime
- 1989-06-02 KR KR1019890007709A patent/KR970003060B1/ko active IP Right Grant
- 1989-06-02 IT IT8920767A patent/IT1229433B/it active
- 1989-06-02 IT IT8920765A patent/IT1229431B/it active
- 1989-06-02 MX MX016306A patent/MX173429B/es unknown
- 1989-06-02 PT PT90736A patent/PT90736B/pt not_active IP Right Cessation
- 1989-06-12 IE IE178789A patent/IE62617B1/en not_active IP Right Cessation
- 1989-06-12 IE IE178989A patent/IE62667B1/en not_active IP Right Cessation
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE68917990D1 (de) | Wirbelrohr-Abscheider. | |
EP0344749B1 (de) | Wirbelrohr-Abscheider | |
GB1202310A (en) | Centrifugal separator | |
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GB1236942A (en) | Air cleaner | |
GB886921A (en) | Cyclone separator | |
RU2146562C1 (ru) | Вихревой пылеуловитель | |
FR2403814A1 (fr) | Dispositif d'epuration d'un gaz s'ecoulant axialement | |
GB1138775A (en) | Air cleaner | |
GB948103A (en) | A vortex separator | |
GB1075695A (en) | Separating apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |