EP0979945B1 - Vorrichtung mit einer Magnetkupplung und Verwendung derselben für eine Zahnradpumpe - Google Patents
Vorrichtung mit einer Magnetkupplung und Verwendung derselben für eine Zahnradpumpe Download PDFInfo
- Publication number
- EP0979945B1 EP0979945B1 EP99122988A EP99122988A EP0979945B1 EP 0979945 B1 EP0979945 B1 EP 0979945B1 EP 99122988 A EP99122988 A EP 99122988A EP 99122988 A EP99122988 A EP 99122988A EP 0979945 B1 EP0979945 B1 EP 0979945B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- rotor
- drive
- magnetic coupling
- drive side
- 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
- 230000008878 coupling Effects 0.000 title claims description 29
- 238000010168 coupling process Methods 0.000 title claims description 29
- 238000005859 coupling reaction Methods 0.000 title claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C15/0069—Magnetic couplings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/18—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/60—Shafts
Definitions
- the present invention relates to a device according to the preamble of claim 1 and a use the device.
- Magnetic couplings are used for torque transmission between non-contacting waves, i. one to be sealed Rotary feedthrough, as for example from the Housing led out with a gear pump Drive shaft is necessary, is in a gear pump not needed with magnetic coupling.
- magnetic couplings driven pumps have only static acting Seals on, which is why they are hermetically sealed apply and therefore especially for extreme environmentally hazardous or toxic fluids are suitable.
- Known magnetic clutches consist of a bell-like Outer rotor, the single or double-walled containment shell and the Inner rotor.
- the outer rotor usually sits on one Motor shaft or a transmission output shaft and the Inner rotor is located on the out of the pump housing led out drive shaft of the gear pump.
- the Torque is transmitted by magnets, which are on the inner surface of the outer rotor as well as on the Outside surface of the inner rotor are located. magnetic couplings This known type are because of the mentioned Application benefits more often and preferably also used for ever larger services to be transmitted.
- a disadvantage of this known embodiment are the high demands on the position of each other connecting components: So are both the Drive unit and the gear pump extremely precise to position each other. Since gear pumps also with Connection lines for the pumped medium to be transported to connect, here are more Restrictions or specifications regarding the desired Position, often with the first not mentioned to match. Remedy here creates the possibility that the drive unit can be flexibly mounted, which however, only practicable in the low-power range is.
- the present invention is therefore the task based, a device with a magnetic coupling indicate which does not have the aforementioned disadvantages having.
- the invention has the following advantages: driven by the drive unit shaft with the drive-side rotor is hingedly connected and by the Bearing units radially with respect to the drive side Rotor are arranged, the axes must be driven Shaft and that of the drive-side rotor not coincide. These can be a missing one Align without the function of the Entire facility is impaired.
- the Invention has the advantage that in the assembly of the Magnetic coupling whose outer rotor, guided by the Fixing elements, can be pushed over the containment shell, without a tilting is possible.
- Fig. 1 is a gear pump 1, a Magentkupplung. 2 and a universal joint 14, wherein for driving the Gear pump 1, a drive unit (in Fig. 1 not shown) is connected to the universal joint 14.
- the gear pump 1 consists essentially of a Pump housing 21, of two intermeshing gears 3 and shaft bearings 6, in which the gears 3 bearing Shafts 4 are stored.
- One of the waves 4 is from the Pump housing 21 led out to drive the pump.
- On this extended shaft in the following drive shaft 7 called, sitting to the magnetic coupling 2 belonging inner Rotor 17, which has magnets 18 on its surface.
- An outer rotor 12, on its inner surface as well equipped with magnets 19 is radially to the inner rotor 17 arranged, being between the inner and the outer Rotor 17 and 12, a so-called split pot 16 is provided is that allows a complete seal.
- Drive side i.
- a shaft portion 11 follows via a connectable to the pump housing 21 Fixing element 8 is held in position, d. H. the Mobility of the shaft portion 11 - and thus also the outer rotor 12 - is in the radial direction on the Bearing clearance of a preferably as a rolling bearing 10th trained bearing limited according to the invention.
- the shaft portion 11 is further on a Universal joint 14 with a drive shaft 13, i. preferably initially with an inner part of a Drive shaft, which inner part over a second Universal joint (not shown in Fig. 1) with the Actual drive shaft of a drive unit (in FIG. 1 not shown).
- the magnetic coupling 2 forms with respect to the radial Mobility a unit with the gear pump 1 or with whose housing 21, which achieved in an advantageous manner is that the drive shaft 7 of the gear pump 1 with the Drive shaft 13 of the drive unit is not exact must coincide.
- At least one of the drive shaft sections i. of the Drive shaft portion in front of the first universal joint 14th and / or between the two universal joints and / or after the second universal joint, is telescopically constructed and thus can be extended or shortened as needed.
- These further embodiments still allow one more flexible handling of the positioning of the gear pump with respect to the drive unit.
- the fixing element 8 is by means of releasable Fasteners 15, preferably made of screws exist, attached to the pump housing 21.
- the fixing element. 8 tubular and closes the magnetic coupling 2 against the outside from, with ventilation holes 9 are provided.
- FIG. 2 shows a further embodiment of the invention, wherein in this the rolling bearing 10 radially to the split pot 16th are arranged. This is the storage of the outer rotor 12 closer to the split pot 16 and thus to the Place where precise positioning is critical to function is.
- Fig. 2 shows substantially the magnetic coupling 2. From the Gear pump 1 are only individual parts, namely the Pump housing 21 and sections of the shaft passage of the Drive shaft 7, shown.
- the further embodiment further has the advantage that the assembly can be made in a simple manner. So the outer rotor 12 becomes simple at the end of assemblage slid onto the containment shell 16 without touching it is because the bearings 10 ensure that the magnets 19 of the outer rotor 12 and the split pot 16 permanently are spaced.
- FIG. 3 in a schematic representation, three shaft sections 31, 32 and 33 of the drive shaft illustrated, wherein the first shaft portion 31 with the second shaft portion 32 via a first flexible Clutch 34 and the second shaft portion 32 with the third shaft portion 33 via a second flexible Coupling 35 are connected.
- the shaft section 33 corresponds to the rigid, out of a drive unit 30 out guided drive shaft.
- the outer rotor 12 FIGS. 1 and 2) of the magnetic coupling 2 (FIG. 1 and 2) connected to the first shaft portion 31.
- the flexible couplings 34 and 35 are in one of the explained Realized form.
- the second one Shaft portion 32 formed telescopically.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Description
- Fig. 1
- eine erste Ausführungsform einer erfindungsgemässen Magnetkupplung,
- Fig. 2
- eine weitere Ausführungsform der erfindungsgemässen Magnetkupplung und
- Fig. 3
- Wellenabschnitte der Antriebswelle und eine Antriebseinheit zum Antreiben der Welle in schematischer Darstellung.
Claims (9)
- Vorrichtung mit einer Magnetkupplung (2) zum berührungsfreien Übertragen eines Drehmomentes von einer ersten Welle auf eine zweite Welle, mit einer ersten, mit einer Antriebseinheit gekoppelten Welle (13) und einer zweiten, in einem Gehäuse (21) gelagerten Welle (7), wobei eine der Wellen (7) mit einem erste Magnete (18) aufweisenden inneren Rotor (17) und die andere Welle (13) mit einem zweite Magnete (19) aufweisenden äusseren Rotor (12) versehen ist und wobei die Achse des antriebsseitigen Rotors (12) über Fixierelemente (8), welche mit dem Gehäuse (21) verbindbar sind, über Lagereinheiten (10) radial fixierbar ist, dadurch gekennzeichnet, dass die von der Antriebseinheit angetriebene Welle (13) mit dem antriebsseitigen Rotor (12) gelenkig verbunden ist und dassdie Lagereinheiten (10) radial in Bezug auf den antriebsseitigen Rotor (12) angeordnet sind.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Verbindung zwischen dem antriebsseitigen Rotor (12) und der von der Antriebseinheit angetriebenen Welle (13) aus mindestens einer, vorzugsweise zwei flexiblen Kupplungen (14) besteht.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass mindestens eine der flexiblen Kupplungen (14) wahlweise eine Gummikupplung, eine Bogenzahnkupplung oder ein Kreuzgelenk, oder eine Kombination von zwei oder mehreren der genannten Kupplungsarten, ist.
- Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zwischen den Fixierelementen (8) und dem antriebsseitigen Rotor (12) Wälzlager als Lagereinheiten (10) vorgesehen sind.
- Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Fixierelement (8) rohrförmige ist.
- Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass Belüftungsbohrungen (9) im Fixierelement (8) vorgesehen sind.
- Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass ein Wellenabschnitt (31, 32, 33) der Antriebswelle (13) teleskopartig ausgebildet ist.
- Vorrichtung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zwischen dem inneren und dem äusseren Rotor (17; 12) ein Spalttopf (16) vorgesehen ist, mit Hilfe dessen eine vollständige Abdichtung erreichbar ist.
- Verwendung der Vorrichtung nach einem der Ansprüche 1 bis 8 zum Antreiben einer Zahnradpumpe (1).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99122988A EP0979945B8 (de) | 1999-11-19 | 1999-11-19 | Vorrichtung mit einer Magnetkupplung und Verwendung derselben für eine Zahnradpumpe |
DE59912176T DE59912176D1 (de) | 1999-11-19 | 1999-11-19 | Vorrichtung mit einer Magnetkupplung und Verwendung derselben für eine Zahnradpumpe |
US09/643,736 US6518684B1 (en) | 1999-11-19 | 2000-08-23 | Device having a magnetic clutch and use thereof for a gear pump |
JP2000349653A JP2001187926A (ja) | 1999-11-19 | 2000-11-16 | 電磁継手を備えた装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99122988A EP0979945B8 (de) | 1999-11-19 | 1999-11-19 | Vorrichtung mit einer Magnetkupplung und Verwendung derselben für eine Zahnradpumpe |
Publications (4)
Publication Number | Publication Date |
---|---|
EP0979945A2 EP0979945A2 (de) | 2000-02-16 |
EP0979945A3 EP0979945A3 (de) | 2000-05-31 |
EP0979945B1 true EP0979945B1 (de) | 2005-06-15 |
EP0979945B8 EP0979945B8 (de) | 2005-08-10 |
Family
ID=8239424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99122988A Expired - Lifetime EP0979945B8 (de) | 1999-11-19 | 1999-11-19 | Vorrichtung mit einer Magnetkupplung und Verwendung derselben für eine Zahnradpumpe |
Country Status (4)
Country | Link |
---|---|
US (1) | US6518684B1 (de) |
EP (1) | EP0979945B8 (de) |
JP (1) | JP2001187926A (de) |
DE (1) | DE59912176D1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1332298B1 (de) | 2000-10-11 | 2008-01-16 | Andrew Boyd French | Antriebsvorrichtung |
US7421929B2 (en) | 2001-10-11 | 2008-09-09 | Andrew French | Drive apparatus |
US7268454B2 (en) | 2003-01-17 | 2007-09-11 | Magnetic Torque International, Ltd. | Power generating systems |
JP2006187257A (ja) * | 2005-01-07 | 2006-07-20 | Daiyanitorikkusu Kk | アミド化合物の製造方法およびアクリルアミド系ポリマー |
US20070031308A1 (en) | 2005-08-03 | 2007-02-08 | Ccmi Corporation | Enhancement of surface-active solid-phase heterogenous catalysts |
NL2013596B1 (en) * | 2014-10-08 | 2016-10-04 | Walraven Holding Bv J Van | Vibration isolating insert for a pipe clip and method for manufacturing such an insert. |
CN104329251A (zh) * | 2014-10-30 | 2015-02-04 | 江苏海天泵阀制造有限公司 | 一种微型超低温磁力驱动齿轮泵 |
WO2017143459A1 (en) * | 2016-02-25 | 2017-08-31 | Advancing Pump Technology Corp. | Electric motor and rod-driven rotary gear pumps |
US10865805B2 (en) * | 2016-07-08 | 2020-12-15 | Fenwal, Inc. | Flexible impeller pumps and disposable fluid flow circuits incorporating such pumps |
JP6458225B2 (ja) * | 2017-03-24 | 2019-01-30 | 大東工業株式会社 | マグネットギアポンプおよびその製造方法 |
CN114320890A (zh) * | 2022-01-10 | 2022-04-12 | 淮安市虎力液压机械有限公司 | 一种高稳定性的液压齿轮泵 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1913633A (en) * | 1929-04-27 | 1933-06-13 | Heil Co | Pump construction |
US4785213A (en) * | 1986-05-30 | 1988-11-15 | Satake Engineering Co., Ltd. | Variable speed controlled induction motor |
JPH0625933B2 (ja) * | 1986-10-02 | 1994-04-06 | 科学技術庁航空宇宙技術研究所長 | 複合偏心型回転子による電動直接駆動位置決め装置 |
US5165868A (en) * | 1991-04-29 | 1992-11-24 | Tuthill Corporation | Magnetically driven pump |
DE4401241C2 (de) * | 1994-01-18 | 1997-09-25 | Richter Chemie Technik Gmbh | Magnetbefestigung in Magnetkupplungen |
-
1999
- 1999-11-19 EP EP99122988A patent/EP0979945B8/de not_active Expired - Lifetime
- 1999-11-19 DE DE59912176T patent/DE59912176D1/de not_active Expired - Fee Related
-
2000
- 2000-08-23 US US09/643,736 patent/US6518684B1/en not_active Expired - Fee Related
- 2000-11-16 JP JP2000349653A patent/JP2001187926A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0979945A2 (de) | 2000-02-16 |
US6518684B1 (en) | 2003-02-11 |
JP2001187926A (ja) | 2001-07-10 |
EP0979945A3 (de) | 2000-05-31 |
DE59912176D1 (de) | 2005-07-21 |
EP0979945B8 (de) | 2005-08-10 |
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