EP0469944A2 - Dekantierzentrifuge mit Energierückgewinnung - Google Patents
Dekantierzentrifuge mit Energierückgewinnung Download PDFInfo
- Publication number
- EP0469944A2 EP0469944A2 EP91401881A EP91401881A EP0469944A2 EP 0469944 A2 EP0469944 A2 EP 0469944A2 EP 91401881 A EP91401881 A EP 91401881A EP 91401881 A EP91401881 A EP 91401881A EP 0469944 A2 EP0469944 A2 EP 0469944A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- main
- frequency converter
- bowl
- electrically connected
- converters
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/02—Electric motor drives
-
- 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
- B04B2001/2075—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 with means for recovering the energy of the outflowing liquid
Landscapes
- Centrifugal Separators (AREA)
- Rectifiers (AREA)
- Control Of Multiple Motors (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9009898A FR2665377B1 (fr) | 1990-08-02 | 1990-08-02 | Decanteuse centrifuge a recuperation d'energie. |
| FR9009898 | 1990-08-02 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0469944A2 true EP0469944A2 (de) | 1992-02-05 |
| EP0469944A3 EP0469944A3 (en) | 1992-05-06 |
| EP0469944B1 EP0469944B1 (de) | 1995-06-07 |
Family
ID=9399363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19910401881 Expired - Lifetime EP0469944B1 (de) | 1990-08-02 | 1991-07-08 | Dekantierzentrifuge mit Energierückgewinnung |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0469944B1 (de) |
| JP (1) | JPH04229098A (de) |
| DE (1) | DE69110210T2 (de) |
| FR (1) | FR2665377B1 (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5203762A (en) * | 1990-12-20 | 1993-04-20 | Alfa-Laval Separation, Inc. | Variable frequency centrifuge control |
| US5681256A (en) * | 1994-11-10 | 1997-10-28 | Nkk Corporation | Screw decanter centrifuge having a speed-torque controller |
| US6387032B1 (en) * | 1998-02-17 | 2002-05-14 | Westfalia Separator Ag | Screw-type solid bowl centrifuge with multistage planetary gear train |
| US6981940B2 (en) * | 2003-06-23 | 2006-01-03 | Abb Inc. | Centrifuge control system with power loss ride through |
| US8808154B2 (en) * | 2010-09-13 | 2014-08-19 | Hiller Gmbh | Drive apparatus in a scroll centrifuge having a gearbox with a housing nonrotatably connected to a drive shaft |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016116391B3 (de) | 2016-09-01 | 2018-02-01 | Gea Mechanical Equipment Gmbh | Verfahren zum Überwachen einer Schneckenzentrifuge |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL190819C (nl) * | 1954-09-16 | Nuovo Pignone Spa | Snelheidsvariator voor een dobby-getouw. | |
| FR2399151A1 (fr) * | 1971-01-05 | 1979-02-23 | Dornier Ag | Dispositif electrique d'entrainement d'appareils a grande vitesse de rotation tels que des ultracentrifugeuses a gaz |
| FR2218142A1 (en) * | 1973-02-19 | 1974-09-13 | Robatel Slpi | Asynchronous motor drive for centrifugal dryer - with frequency changer to facilitate starting and vary speed |
| US4141488A (en) * | 1977-08-18 | 1979-02-27 | Koninklijke Nederlandse Papierfabrieken N.W. | Centrifuge |
| DE3313167A1 (de) * | 1983-04-12 | 1984-10-25 | Mantec Gesellschaft für Automatisierungs- und Handhabungssysteme mbH, 8510 Fürth | Industrieroboter mit elektrischen drehstrom-einzelantrieben |
| DE3641569C1 (en) * | 1986-12-05 | 1988-03-24 | Skf Textilmasch Komponenten | Circuit arrangement for spinning or twisting machines |
-
1990
- 1990-08-02 FR FR9009898A patent/FR2665377B1/fr not_active Expired - Fee Related
-
1991
- 1991-07-08 EP EP19910401881 patent/EP0469944B1/de not_active Expired - Lifetime
- 1991-07-08 DE DE1991610210 patent/DE69110210T2/de not_active Expired - Fee Related
- 1991-07-31 JP JP3213024A patent/JPH04229098A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5203762A (en) * | 1990-12-20 | 1993-04-20 | Alfa-Laval Separation, Inc. | Variable frequency centrifuge control |
| US5681256A (en) * | 1994-11-10 | 1997-10-28 | Nkk Corporation | Screw decanter centrifuge having a speed-torque controller |
| US6387032B1 (en) * | 1998-02-17 | 2002-05-14 | Westfalia Separator Ag | Screw-type solid bowl centrifuge with multistage planetary gear train |
| US6981940B2 (en) * | 2003-06-23 | 2006-01-03 | Abb Inc. | Centrifuge control system with power loss ride through |
| US8808154B2 (en) * | 2010-09-13 | 2014-08-19 | Hiller Gmbh | Drive apparatus in a scroll centrifuge having a gearbox with a housing nonrotatably connected to a drive shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69110210D1 (de) | 1995-07-13 |
| EP0469944A3 (en) | 1992-05-06 |
| FR2665377A1 (fr) | 1992-02-07 |
| EP0469944B1 (de) | 1995-06-07 |
| JPH04229098A (ja) | 1992-08-18 |
| DE69110210T2 (de) | 1995-10-26 |
| FR2665377B1 (fr) | 1993-09-03 |
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