IT8147791A0 - Di rotazione di due elementi rotanprocedimento ed impianto per regolati in particolare in una centrifugare la differenza fra le velocita'a coclea - Google Patents
Di rotazione di due elementi rotanprocedimento ed impianto per regolati in particolare in una centrifugare la differenza fra le velocita'a cocleaInfo
- Publication number
- IT8147791A0 IT8147791A0 IT8147791A IT4779181A IT8147791A0 IT 8147791 A0 IT8147791 A0 IT 8147791A0 IT 8147791 A IT8147791 A IT 8147791A IT 4779181 A IT4779181 A IT 4779181A IT 8147791 A0 IT8147791 A0 IT 8147791A0
- Authority
- IT
- Italy
- Prior art keywords
- rotan
- centrifugal
- regulate
- difference
- rotation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
- H02P5/50—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another by comparing electrical values representing the speeds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
- B04B1/2016—Driving control or mechanisms; Arrangement of transmission gearing
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803005658 DE3005658A1 (de) | 1980-02-15 | 1980-02-15 | Verfahren und anlage zum regeln der differenzdrehzahl zweier mit unterschiedlicher drehzahl rotierender bauteile, insbesondere von zentrifugentrommel und foerderschnecke einer schneckenzentrifuge |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8147791A0 true IT8147791A0 (it) | 1981-02-13 |
IT1170716B IT1170716B (it) | 1987-06-03 |
Family
ID=6094687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47791/81A IT1170716B (it) | 1980-02-15 | 1981-02-13 | Procedimento ed impianto per regolare la differenza fra le velocita' di rotazione di due elementi rotanti in particolare in una centrifuga a coclea |
Country Status (9)
Country | Link |
---|---|
US (1) | US4369915A (it) |
JP (1) | JPS56130247A (it) |
CH (1) | CH650168A5 (it) |
DE (1) | DE3005658A1 (it) |
DK (1) | DK62581A (it) |
FR (1) | FR2476343A1 (it) |
GB (1) | GB2069727B (it) |
IT (1) | IT1170716B (it) |
SE (1) | SE8100759L (it) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3115692A1 (de) * | 1981-04-18 | 1982-11-11 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Adaptives regelverfahren |
JPS6242755A (ja) * | 1985-08-16 | 1987-02-24 | Nishihara Environ Sanit Res Corp | 遠心濃縮機 |
US4978331A (en) * | 1989-07-11 | 1990-12-18 | Alfa-Laval Ab | Method and apparatus for cleaning in place of a decanter centrifuge |
US5203762A (en) * | 1990-12-20 | 1993-04-20 | Alfa-Laval Separation, Inc. | Variable frequency centrifuge control |
US5344570A (en) * | 1993-01-14 | 1994-09-06 | James E. McLachlan | Method and apparatus for removing solids from a liquid |
US5403260A (en) * | 1993-06-04 | 1995-04-04 | Hutchinson-Hayes International | Automatic frequency controlled motor backdrive |
US5796221A (en) * | 1994-07-14 | 1998-08-18 | Paper Converting Machine Company | Overload detector for servo driven machines |
US5681256A (en) * | 1994-11-10 | 1997-10-28 | Nkk Corporation | Screw decanter centrifuge having a speed-torque controller |
WO1997020634A1 (en) * | 1995-12-01 | 1997-06-12 | Baker Hughes Incorporated | Method and apparatus for controlling and monitoring continuous feed centrifuge |
US5857955A (en) * | 1996-03-27 | 1999-01-12 | M-I Drilling Fluids L.L.C. | Centrifuge control system |
US5919123A (en) * | 1997-01-29 | 1999-07-06 | M-I Drilling Fluids L.L.C. | Method for controlling a centrifuge system utilizing stored electrical energy generated by braking the centrifuge bowl |
US5904840A (en) * | 1998-04-06 | 1999-05-18 | Dibella; Alberto | Apparatus for accurate centrifugal separation of miscible and immiscible media |
US6224532B1 (en) | 1998-06-03 | 2001-05-01 | Jeffery N. Beattey | Centrifuge blade design and control mechanism |
US6368264B1 (en) * | 1999-03-29 | 2002-04-09 | M-I L.L.C. | Centrifuge control system and method with operation monitoring and pump control |
US6605029B1 (en) * | 2000-08-31 | 2003-08-12 | Tuboscope I/P, Inc. | Centrifuge with open conveyor and methods of use |
US6589154B2 (en) | 2001-05-30 | 2003-07-08 | Alfa Laval Inc. | Decanter centrifuge with a gear box mounted on the bowl |
US7358635B2 (en) * | 2002-04-02 | 2008-04-15 | M-I L.L.C. | Magnetic power transmission devices for oilfield applications |
US20050242003A1 (en) | 2004-04-29 | 2005-11-03 | Eric Scott | Automatic vibratory separator |
US6711513B2 (en) | 2002-05-02 | 2004-03-23 | Ivensys Systems, Inc. | Fault tolerant apparatus and method for determining a revolution rate of a gear |
GB2393142B (en) * | 2002-09-21 | 2004-11-10 | Incentra Ltd | Centrifuge with viscous clutch for decanter drive mechanism |
US8312995B2 (en) | 2002-11-06 | 2012-11-20 | National Oilwell Varco, L.P. | Magnetic vibratory screen clamping |
US20060105896A1 (en) * | 2004-04-29 | 2006-05-18 | Smith George E | Controlled centrifuge systems |
US8172740B2 (en) * | 2002-11-06 | 2012-05-08 | National Oilwell Varco L.P. | Controlled centrifuge systems |
US20040138040A1 (en) * | 2003-01-15 | 2004-07-15 | Hensley Gary L. | Decanter centrifuge control |
EP1633487B1 (de) * | 2003-04-22 | 2010-10-06 | Viscotherm AG | Zentrifuge mit hydraulischer differenzdrehzahlbestimmung |
EP1479443B1 (fr) * | 2003-05-19 | 2005-11-09 | Andritz-Guinard S.A.S. | Système d'entraínement d'une centrifugeuse |
US7727386B2 (en) * | 2003-11-21 | 2010-06-01 | Dibella Alberto | Voraxial filtration system with self-cleaning auxiliary filtration apparatus |
US7540837B2 (en) * | 2005-10-18 | 2009-06-02 | Varco I/P, Inc. | Systems for centrifuge control in response to viscosity and density parameters of drilling fluids |
US7540838B2 (en) * | 2005-10-18 | 2009-06-02 | Varco I/P, Inc. | Centrifuge control in response to viscosity and density parameters of drilling fluid |
US20080083566A1 (en) * | 2006-10-04 | 2008-04-10 | George Alexander Burnett | Reclamation of components of wellbore cuttings material |
US8622220B2 (en) * | 2007-08-31 | 2014-01-07 | Varco I/P | Vibratory separators and screens |
US9073104B2 (en) | 2008-08-14 | 2015-07-07 | National Oilwell Varco, L.P. | Drill cuttings treatment systems |
US8556083B2 (en) | 2008-10-10 | 2013-10-15 | National Oilwell Varco L.P. | Shale shakers with selective series/parallel flow path conversion |
US9079222B2 (en) * | 2008-10-10 | 2015-07-14 | National Oilwell Varco, L.P. | Shale shaker |
US20100181265A1 (en) * | 2009-01-20 | 2010-07-22 | Schulte Jr David L | Shale shaker with vertical screens |
DE102009023555A1 (de) * | 2009-05-30 | 2010-12-02 | Gea Westfalia Separator Gmbh | Verfahren zum Ermitteln des Drehmomentes einer Schnecke eines Dekanters |
US20110034313A1 (en) * | 2009-08-06 | 2011-02-10 | Andritz Separation Inc. | Centrifuge with hydraulic drive unit |
JP5442099B2 (ja) * | 2012-06-05 | 2014-03-12 | 巴工業株式会社 | 遠心分離装置 |
US9643111B2 (en) | 2013-03-08 | 2017-05-09 | National Oilwell Varco, L.P. | Vector maximizing screen |
DE102013207363A1 (de) * | 2013-04-23 | 2014-10-23 | Rovema Gmbh | Dosiervorrichtung zum Dosieren eines fließfähigen Produkts |
WO2017190072A1 (en) | 2016-04-29 | 2017-11-02 | Kemtron Technologies LLC d/b/a Elgin Separation Solutions | Vertical cuttings dryer |
CN113919104B (zh) * | 2021-12-13 | 2022-04-26 | 清华大学 | 旋转鼓筒的非线性动态响应获取方法及系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3206665A (en) * | 1962-12-19 | 1965-09-14 | Lear Siegler Inc | Digital speed controller |
US3780365A (en) * | 1968-05-31 | 1973-12-18 | Upjohn Co | Digital method and system for material handling |
US3734399A (en) * | 1971-05-28 | 1973-05-22 | Beloit Corp | Differential scroll drive |
CH566817A5 (it) * | 1973-07-21 | 1975-09-30 | Cyphelly Ivan J | |
DE2512213A1 (de) * | 1975-03-20 | 1976-10-07 | Schlafhorst & Co W | Verfahren und vorrichtung zum konstanthalten des uebersetzungsverhaeltnisses von rotierenden maschinenteilen einer textilmaschine |
DE2525280C2 (de) * | 1975-06-06 | 1983-06-23 | Flottweg-Werk Dr. Georg Bruckmayer GmbH & Co. KG, 8313 Vilsbiburg | Vollmantel-Schneckenzentrifuge mit gegenüber ihrem Mantelteil mit Differenzdrehzahl umlaufendem Schneckenteil |
DE2551789A1 (de) * | 1975-11-18 | 1977-06-02 | Flottweg Werk Bruckmayer | Vollmantel-schneckenzentrifuge mit differenzdrehzahlvariabler kupplung zwischen mantelteil und schneckenteil |
SU634237A1 (ru) * | 1976-09-01 | 1978-11-25 | Предприятие П/Я В-8597 | Устройство дл программного управлени приводом |
GB1583517A (en) * | 1977-05-04 | 1981-01-28 | Jackson J F | Solid bowl decanter centrifuges of the scroll discharge type |
DE2811887C2 (de) * | 1978-03-18 | 1991-07-18 | Westfalia Separator Ag, 4740 Oelde | Antrieb für eine kontinuierlich arbeitende Schneckenzentrifuge |
-
1980
- 1980-02-15 DE DE19803005658 patent/DE3005658A1/de not_active Withdrawn
-
1981
- 1981-01-30 SE SE8100759A patent/SE8100759L/ not_active Application Discontinuation
- 1981-02-02 CH CH661/81A patent/CH650168A5/de not_active IP Right Cessation
- 1981-02-11 FR FR8102688A patent/FR2476343A1/fr active Granted
- 1981-02-13 JP JP1918381A patent/JPS56130247A/ja active Pending
- 1981-02-13 GB GB8104614A patent/GB2069727B/en not_active Expired
- 1981-02-13 DK DK62581A patent/DK62581A/da not_active Application Discontinuation
- 1981-02-13 IT IT47791/81A patent/IT1170716B/it active
- 1981-02-13 US US06/234,382 patent/US4369915A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
IT1170716B (it) | 1987-06-03 |
SE8100759L (sv) | 1981-08-16 |
FR2476343A1 (fr) | 1981-08-21 |
CH650168A5 (de) | 1985-07-15 |
US4369915A (en) | 1983-01-25 |
FR2476343B1 (it) | 1984-12-21 |
JPS56130247A (en) | 1981-10-13 |
GB2069727A (en) | 1981-08-26 |
DK62581A (da) | 1981-08-16 |
GB2069727B (en) | 1984-01-11 |
DE3005658A1 (de) | 1981-10-01 |
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