EP2520805A2 - Dispositif destiné à déplacer un fluide - Google Patents

Dispositif destiné à déplacer un fluide Download PDF

Info

Publication number
EP2520805A2
EP2520805A2 EP20120163733 EP12163733A EP2520805A2 EP 2520805 A2 EP2520805 A2 EP 2520805A2 EP 20120163733 EP20120163733 EP 20120163733 EP 12163733 A EP12163733 A EP 12163733A EP 2520805 A2 EP2520805 A2 EP 2520805A2
Authority
EP
European Patent Office
Prior art keywords
stator
moving part
housing
synchronous motor
rotor
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.)
Withdrawn
Application number
EP20120163733
Other languages
German (de)
English (en)
Other versions
EP2520805A3 (fr
Inventor
Hartmut Davidson
Erwin Engel
Matthias Weinzierl
Jörg Zacharias
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.)
Krones AG
Original Assignee
Krones AG
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 Krones AG filed Critical Krones AG
Publication of EP2520805A2 publication Critical patent/EP2520805A2/fr
Publication of EP2520805A3 publication Critical patent/EP2520805A3/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor pumps
    • F04D13/064—Details of the magnetic circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2205—Conventional flow pattern
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/24—Vanes

Definitions

  • the present invention relates to a device for moving a fluid, comprising a moving part to set the fluid in motion, and a synchronous motor, wherein the moving part is directly driven by the synchronous motor and acts as its rotor.
  • Devices for moving fluids are used for example in the beverage industry.
  • a device may be a pump, an agitator or the like.
  • the DE 35 01 127 A1 shows a device for producing mixed drinks, in which one or more metering pumps are driven via a gear by an electric motor.
  • the motor is located outside the pumps.
  • Such a pump is thus operated externally, but with the problem arises that a drive shaft from the motor through the pump housing to an impeller, impeller or the like goes.
  • the use of mechanical seals is necessary to seal the pump housing from the engine.
  • the following documents show similar pumps, each with a drive shaft passing through the pump housing.
  • the DE 100 52 797 A1 shows an electric motor driven pump
  • the DE 195 05 543 A1 shows a centrifugal pump with a speed sensor
  • the EP 0 355 796 B1 shows a centrifugal pump with magnetically mounted shaft.
  • the DE 41 02 707 A1 shows, inter alia, an embodiment of a turbopump with magnetically stored impeller.
  • a turbopump with magnetically stored impeller.
  • stator windings which generate a rotating magnetic field by turning on and off according to the detected position of a contactless control commutator or commutator connected to each stator winding, which drives the impeller via permanent magnets mounted thereon.
  • a contactless control commutator or commutator connected to each stator winding, which drives the impeller via permanent magnets mounted thereon.
  • the DE 39 42 679 A1 shows, inter alia, embodiments of a mixing device comprising an agitator driven by an asynchronous linear motor.
  • the secondary part of the motor is firmly connected to the agitator.
  • Such a mixing device can do without mechanical seals when the secondary part is in the housing and the stirring member partially encloses.
  • an asynchronous motor is used here, the Induction currents in the secondary part can flow in such a way that a magnetic field can build up, whereby strong restrictions on its shape are necessary.
  • the secondary part since the secondary part partially encloses the stirring element, unwanted turbulences can form, which have a negative effect on the efficiency of the device.
  • the invention provides a device for moving a fluid, comprising a moving part for moving the fluid, and a synchronous motor, the synchronous motor comprising a stator having at least one stator coil and a rotor having at least one rotor magnet, wherein the moving part by the synchronous motor directly is drivable and acts as its runner.
  • the moving part can be driven directly, ie without gear, by the synchronous motor. Since the moving part acts as a rotor of the motor, a drive shaft falls away from the motor through a housing of the device to the moving part.
  • a synchronous motor is an AC motor in which the rotor (in the case of a rotary motor also called a rotor) has a permanent magnetic field. In contrast to an asynchronous motor, where the rotor magnetic field is generated by induction, no induction currents have to be taken into account here. This allows greater freedom in the formal design of the moving part.
  • a fluid may in this case be a liquid, in particular a beverage or a beverage component, a cleaning medium or a gas, in particular carbon dioxide.
  • the term "moving" may be a general in-motion displacement and / or in-motion holding of a fluid, in particular pumping, conveying, mixing, mixing and / or stirring.
  • the moving member may include one or more moving elements, such as wings, blades, blades, or the like, for transmitting kinetic energy to the fluid.
  • the moving part may be mounted on a shaft, axle or the like.
  • the moving part may comprise a hub.
  • At least one rotor magnet can be arranged in and / or on the moving part and / or the moving part can itself consist of permanent magnetic material and / or the moving part can be wholly or partly coated with permanent magnetic material.
  • the rotor magnets may each be permanent magnets or electromagnets. In particular, the majority of the rotor magnets may be either permanent magnets or electromagnets. In one embodiment, all rotor magnets may be permanent magnets. The synchronous motor is then permanently energized.
  • the rotor magnets can be incorporated under the surface of the moving part.
  • the surface of the moving part may comprise any material, for example stainless steel.
  • the material may comprise a different material than that of the rotor magnets.
  • the material from which the moving part is made, so may include stainless steel.
  • the device may comprise a housing which at least partially encloses the moving part. At least one stator coil may be disposed in or on the housing and / or disposed outside the housing and spaced therefrom.
  • the housing may partially or completely have an approximately cylindrical shape.
  • the housing may comprise a pipe segment or pot.
  • the moving part can rotate or move linearly in the approximately cylindrical part of the housing.
  • the stator coils can be arranged in and / or on the housing such that their stator magnetic field couples to the rotor magnets on and / or in the moving part such that the moving part is set in motion by the alternating stator magnetic field.
  • the housing can then be completed against the stator.
  • the moving part can be mounted in different ways in the housing, for example via a ball bearing on an axle or inner shaft, which is connected for example to the housing.
  • the stator may also be spaced from the housing and in particular not be attached to the housing or not be connected thereto.
  • the stator can also be mobile.
  • the stator coils may be mounted on the exterior of the housing or incorporated into the housing such that the interior surfaces of the housing comprise any material, such as stainless steel.
  • the material from which the housing is made may include, for example, stainless steel.
  • the housing may also have externally located pins around which the stator coils are wound.
  • the moving part may at least partially enclose the stator of the synchronous motor.
  • the stator can then be located in the housing.
  • the moving part may comprise a ring-shaped or cup-shaped part which at least partially encloses the stator.
  • This ring or cup-shaped part may be a hub.
  • On the outside of the annular or cup-shaped part may be moving elements for moving the fluid, which can rotate around the stator.
  • the synchronous motor can be operated by single- or multi-phase alternating current.
  • single-phase alternating current a corresponding machine for generating multi-phase alternating current can be omitted.
  • polyphase alternating current in particular three-phase alternating current (three-phase current), a higher efficiency can be achieved.
  • the at least one stator coil may comprise a number of separate windings corresponding to the number of phases of the alternating current. For single-phase alternating current, this may be a winding. In the case of three-phase current, these can be three separate windings, which are wound, for example, in alternating sequence. The windings can also be encapsulated.
  • An approximately cylindrical part of the housing may be wound with a corresponding number of windings, so that the moving part moves in the stator coil.
  • one or more traveling field windings are possible as stator coils.
  • the synchronous motor may be a rotary motor or a linear motor.
  • the device can be a rotary pump when using a rotary motor and a linear pump when using a linear motor.
  • the synchronous motor can be operated in two directions.
  • the conveying direction for example in a pipe, can be easily reversed.
  • the fluid can be slowed down as well.
  • the device may comprise a plurality of stator coils, wherein a rotor magnet during operation of the device describes a rotational path, a plurality of stator coils are arranged substantially in the same plane as the rotational path, and in particular substantially arranged on a concentric with the rotational path of the web.
  • stator coils are additionally arranged in and / or on the housing, ie as close as possible to the rotational path of one or more rotor magnets, then this configuration can achieve a maximum coupling of the rotor magnets to the magnetic field of the stator. This allows the moving part to generate a high torque.
  • the stator coils may be arranged substantially annularly, in particular on a circular path concentric with the axis of rotation of the moving part, around the movement part.
  • stator rings i. substantially annularly arranged stator coils, conceivable along the axis of rotation of the moving part.
  • stator in a plane conceivable, each concentric with each other and can have different radii. It may be advantageous if each stator ring has the smallest possible distance to at least one of the rotational paths of the rotor magnets.
  • the stator coil configuration can be adapted to the shape of the housing.
  • the stator coils may be arranged substantially on an elliptical path or along a polygon. This is advantageous if the housing has, for example, an elliptical or polygonal cross-section.
  • the moving member may be in the form of an impeller, an impeller, an impeller, a pot, a piston, a rotary piston, a worm, a worm shaft or a stirring blade.
  • a moving member of the moving member may then have the shape of a wing, a blade, a blade or the like.
  • the tubular or annular outer housing may be omitted.
  • the device may be a centrifugal pump, a worm, eccentric or rotary piston pump, a single or double acting piston pump or an agitator.
  • the moving part can in particular have the form of an impeller, an impeller or an impeller.
  • Impellers may here particularly be in the form of closed wheels, i. Wheels with support and cover discs, half-open wheels, i. Impellers with support disc but without cover disc, as well as open wheels, i. Impellers without wearing and cover disc, have.
  • the housing may be shaped such that the centrifugal pump is a radial or semi-axial pump. Other types of centrifugal pumps are also conceivable.
  • the moving part can in particular have the shape of a rotary piston, a worm or a worm shaft.
  • Other forms of positive displacement pumps are also feasible.
  • the moving part may in particular have the shape of a piston.
  • the device can be connected to one or more flow chambers.
  • the moving part may comprise one or more stirring blades.
  • the housing may partially or completely have an approximately cylindrical shape.
  • the housing may comprise a pot with a flat or rounded bottom.
  • At least one rotor magnet may be at least halfway from the axis of rotation with respect to an imaginary radial line from the axis of rotation to a point farthest from the axis of rotation of the moving part than the point.
  • One, several or all rotor magnets can have that spacing. Also, a spacing of at least 60%, 70%, 80% or 90% of the distance of that point is conceivable.
  • the rotor magnets may in particular be arranged on and / or in the movement elements of the movement part.
  • one, several or all rotor magnets can also be arranged as close as possible to the axis of rotation of the moving part. This can be advantageous if the moving part partially encloses the stator.
  • the rotor magnets may also be arranged in and / or on the hub of the moving part. This can also be advantageous if, for example, it would be too expensive to arrange the rotor magnets in the movement elements because they are too thin and attaching the rotor magnets to the surface of the movement elements is undesirable.
  • the device may comprise at least two rotor magnets, which are arranged opposite to each other in and / or on the moving part.
  • the device may comprise more than two rotor magnets, which are arranged in and / or on the moving part in a sequence such that adjacent rotor magnets are each opposite in polarity.
  • This configuration can be used in particular for a piston pump that can be driven by a linear motor.
  • a number of each juxtaposed magnets with opposite polarity can be located in and / or on the piston-shaped movement part.
  • This piston can be located, for example, in a partially or completely approximately cylindrical housing.
  • the housing may be wrapped with single or multi-phase windings over a certain length or may include one or more traveling field windings so that the piston can be moved along the housing by a linear motor.
  • the apparatus may include a frequency converter for driving the synchronous motor.
  • a frequency converter for driving the synchronous motor.
  • FIG. 1a shows a perspective broken view of a centrifugal pump 100 with a housing 101 and inner moving part 102 which is surrounded by a stator, in which case the entirety of the stator coils 103 is regarded as a stator.
  • the fluid is drawn through an inlet 105 into the pumping chamber 106 and then pumped by the rotation of the moving part 102 into the drain 107.
  • a fluid is here a gas or, in particular, a liquid.
  • the moving part 102 functions as a rotor of the synchronous motor, no drive shaft is necessary.
  • the housing 101 is here completed against the stator. There are therefore no seals or the like necessary.
  • the moving member 102 is driven gearless, which is why not only the space for a transmission can be saved, but the drive of the pump 100 can also demonstrate a very high efficiency.
  • FIG. 1b shows a section of the pump 100 along the axis of rotation of the moving part 102.
  • the moving part has here over eight wings 108 (see Figure 1c ) and a hub 109 mounted on an axle 110.
  • the moving part 102 thus rotates about the axis 110 during operation of the device.
  • a different number of vanes 108 is of course conceivable.
  • a permanent magnet 104 In the wings 108 is in each case a permanent magnet 104. However, it is also conceivable that not in each wing 108, a magnet 104 is located. It is also conceivable that several magnets 104 are located in some or all of the blades 108.
  • the surface of the moving part 102 may comprise any material, for example stainless steel. Alternatively, the magnets 104 may also be mounted on the surfaces of the wings 108.
  • the stator surrounds the moving part 102, it is advantageous to arrange the rotor magnets 104 in the wings 108 as far as possible from the axis 110 in order to achieve the strongest possible coupling to the magnetic field of the stator coils 103.
  • the magnets 104 are about a radial distance from the axis 110 of at least 75% of the distance a point on the edge of a wing 108, that is, a point on the wing 108 with a maximum distance from the axis 110 corresponds.
  • the rotor magnets 104 are permanent magnets in this example. Stator and moving part 102 then form a permanent magnet synchronous motor.
  • the excitation power for rotor coils can be saved, so that such an embodiment saves energy.
  • Components such as slip rings, brushes or the like, for transmitting the excitation power to the rotor can also be omitted. Since these are components with high wear, further operating costs are saved. In principle, however, one, several or all of the rotor magnets 104 can also be electromagnets.
  • Figure 1c shows a section of the pump 100 transverse to the axis of rotation of the moving part.
  • the stator coils 103 are arranged around the movement part 102 along a circular path concentric with the rotation axis.
  • the stator here consists of six coils 103, which are arranged on the outside of the housing 101. Another number of stator coils 103 is also conceivable.
  • the stator 103 may also consist of one or more traveling field windings (see also FIG. 4d ) consist.
  • the coils 103 may be mounted on the outside of the housing 101 such that the inner surface of the housing comprises any material, such as stainless steel.
  • the coils 103 may also be incorporated into the housing 101 so that its inner and outer surfaces comprise any material, such as stainless steel.
  • the coils 103 may also be recessed into the inside and / or outside of the housing 101, i. be sunk into it to a certain depth.
  • the coils 103 may also be mounted on the inside of the housing 101 or spaced from the housing 101.
  • the housing 101 may also have taps on the inner and / or outer surfaces around which the coils 103 are wound. If the coils 103 are not separated from the fluid by the housing 101, the coils 103 may be encapsulated.
  • the moving part 102 here has eight wings 108, in each of which a permanent magnet 104 is located.
  • the rotor magnets 104 are mounted here in the ends of the blades 108, ie the distance of the magnets 104 from the axis 110 corresponds to at least 75% of the distance of a point on a wing 108 at maximum distance from the axis 110.
  • the magnets 104 may also have other minimum distances from the axis 110.
  • the surfaces of the wings 108 are here parallel to the axis 110. However, it is conceivable that the wings 108 are rotated or bent relative to the axis 110, as is usual with a propeller.
  • the wings 108 are radially aligned here. However, it is conceivable that the wings 108 are bent in the radial direction. It is also conceivable that the wings 108 are bent in the axial and radial directions and thus, for example, have a blade-like shape.
  • the moving part 108 is here an open impeller.
  • the moving part 102 can also have a support disk with which the edges of one or more wings 108 facing away from the inflow 105 are connected. Then, the moving part 102 is a semi-open impeller.
  • the moving part 102 can also have a cover plate which partially covers the side of the moving part 102 facing the inflow 105. The moving part 102 is then a closed impeller.
  • FIGS. 2a 11 shows a perspective broken view of a centrifugal pump 200 with housing 201, moving part 202 and stator 203, wherein the moving part 202 partially encloses the stator 203, so that the moving part 202 rotates around the stator 203.
  • the fluid is drawn through an inlet 205 into the pumping chamber 206 and then pumped by the rotation of the moving part 202 into the drain 207.
  • FIG. 2b shows a section of the pump 200 along the axis of rotation of the moving part 202.
  • the moving part 202 has one or more wings 208 and a hub 209.
  • the moving part can be mounted on an axis 210.
  • the stator coils 203 are in the axis 210, while the rotor magnets 204 are in the hub 209 of the moving part 202.
  • the coils 203 are located on the inner and / or outer surfaces of the axis 210.
  • the coils are embedded in the inner and / or outer surfaces of the axis 210, that are sunk to a certain depth in this.
  • the axis 210 has on the inner and / or outer sides via pins around which the coils 203 are wound.
  • the rotor magnets 204 may also be incorporated in the vanes 208.
  • the magnets 204 may be attached to the outer surfaces of the hub 209 or wings 208.
  • stator coil rings 203 In the axis 210 there are three stator coil rings 203.
  • stator ring 203 For each stator ring 203 is in each case a likewise annular arrangement of rotor magnets 204 in the hub 209 (see also Figure 2c ).
  • This configuration enables a maximum coupling of stator and rotor magnetic fields in order to generate the highest possible torque.
  • the number of stator coil rings 203 and the corresponding Number of annular arrangements of rotor magnets 204 naturally deviate. Also, the number of stator rings 203 and the number of rotor rings 204 need not match.
  • Figure 2c shows a section through hub 209 and axis 210 of the pump 200 transverse to the axis of rotation of the moving part 202.
  • three stator coils 203 are incorporated in the axis 210 and four rotor magnets 204 in the hub 209 of the moving part 202.
  • the three coils 203 shown form one of the three stator rings 203.
  • the stator ring 203 shown then includes the ring formed by the rotor magnet 204.
  • the number of stator coils 203 and rotor magnets 204 may vary.
  • FIG. 3a shows a perspective broken view of a feed pump 300.
  • the housing 301 has an approximately cylindrical shape.
  • the housing 301 here comprises a tube segment.
  • Other shapes, such as polygonal cross-section tubes, are also conceivable.
  • the pump 300 can be procedurally considered as a piece of pipe, in the installation no swamp stops.
  • the moving part 302 is located in the housing 301.
  • a plurality of stator coils 303 are disposed on a circular path concentric with the rotational axis of the moving part 303 around the moving part 302 and inserted into the outside of the housing 301, that is sunk to a certain depth.
  • One or more traveling field windings instead of the stator coils are also conceivable.
  • the housing has a different cross section, for example a polygonal one, then the stator coils 303 can also be arranged along a figure corresponding to the cross section and concentric therewith, for example a polygon.
  • the stator coils 303 may also be installed in the housing 301 and / or attached to the inner and / or outer surfaces of the housing 301.
  • the moving part has six radially curved wings 308 on which rotor magnets are mounted on both sides. Another number of wings 308 or other wing shape is of course conceivable.
  • the moving part 302 comprises a hub 309 which is mounted on an axle 310.
  • the axis 310 is attached to struts 311 on the housing 301. In this example, the axis 310 is fixed at both ends with three struts 311 each. Another number of struts 311 is of course conceivable.
  • FIG. 3b shows a section of the pump 300 transverse to the axis of rotation of the moving part 302.
  • eight stator coils 303 are recessed in the outside of the housing 301. Another number of coils 303 is of course conceivable. Also, the coils 303 may be comprised of one or more traveling field windings (see FIG. 4d ) consist.
  • Figure 3c shows a section of the pump 300 along the axis of rotation of the moving part 302. It can be seen that a rotor magnet 304 is located on both sides of the wing 308 in each case. Of course, there need not be two magnets 304 on each wing 308. It is conceivable that only one or even no magnet 304 is attached to one or more vanes 308.
  • FIG. 3d figure shows a side section of another embodiment of the pump 300, where it is a screw pump.
  • the housing 301 is also approximately cylindrical in this example.
  • the pump 300 can be considered procedurally as a pipe and can be connected via flanges 313 with the rest of the pipe system.
  • the moving part here does not comprise wings in the true sense, but a spiral 308.
  • This spiral 308 here has, for example, a permanent magnetic core 304, i. the spiral 308 consists of several layers, of which one middle is permanent magnetic.
  • the movement part 302 also here comprises a hub 309 which is mounted on an axle 310.
  • the axis 310 is fixed at both ends with struts 311 on the housing 301.
  • stator comprises three stator rings 303, each stator ring 303 consisting of a number of annularly arranged stator coils.
  • stator rings 303 can certainly comprise different numbers of coils.
  • FIG. 3e shows a side section of another embodiment of the pump 300, in which it is an eccentric pump.
  • the inside of the housing 301 in this example has the shape of a geometric body of revolution with wavy envelopes.
  • the moving part 302 has the shape of a worm shaft, which can rotate in the housing 301 about its geometric axis of rotation.
  • the stator coils 303 which are wound, for example, around pins 312 on the outside of the housing 301, are arranged concentrically with the geometrical rotation lines of the vertices of the envelope of the geometric rotation body.
  • the rotor magnets 304 are then preferably arranged on and / or in areas of the worm shaft 302 which come as close as possible to the stator coils 303 during a rotation.
  • FIG. 3f 3 shows a side section of another embodiment of the pump 300.
  • the moving part 302 here comprises scoop-shaped moving elements 308, which are partially coated with permanent-magnetic material 304.
  • the moving part comprises a hub 309, which is mounted on an axle 310.
  • the axis 310 is fixed at both ends with struts 311 on the housing 301.
  • the stator coils 303 are mounted on the inside of the housing 301 in this example. Then, the stator coils 303 are sealed to separate them from the fluid.
  • this pump 300 can be integrated via flanges 313 in a pipe system.
  • FIG. 4a illustrates an example in which the device is a double-acting piston pump 400.
  • the moving part 402 is a piston that moves linearly.
  • the fluid is drawn through two inflows 405-1 and 405-2 into the respective pumping chambers 406-1 and 406-2 and then pumped into the respective outflows 407-1 and 407-2.
  • a single-acting piston pump is also conceivable, for example by thinking of the elements 405-2, 406-2 and 407-2 away.
  • the piston 402 in this example moves linearly along the stator 403 surrounding it and between the pumping chambers 406-1 and 406-2.
  • FIG. 4b illustrates a variant of a linear drive of such a piston pump.
  • the housing 401 is here approximately cylindrical between the pumping chambers 406-1 and 406-2.
  • the stator coils 403 for example, three windings 416-1, 416-2, and 416-3 which are wound around the housing 401 between the pumping chambers 406-1 and 406-2 at a length function.
  • the three windings 416-1, 416-2 and 416-3 correspond here to the three phases of the three-phase current. For alternating current with a different number of phases, the number of windings 416 can be adjusted accordingly.
  • permanent magnets 404 are each arranged in opposite directions in a row along the path of movement of the piston 402. This arrangement does not have to be geometrically perfect. Thus, the magnets 404 may also be arranged offset.
  • Figure 4c illustrates another variant of a linear drive of such a pump.
  • one or more long stators 403 are used, ie the stators 403 are each on a certain length with one or more traveling field winding (see FIG. 4d ) Mistake.
  • each long stator 403 it is advantageous for each long stator 403 to have an array of rotor magnets 404, as in FIG. 4b to provide.
  • the rotor magnets 404 can be mounted on the surface of the piston so that they are each as close as possible to the corresponding long stator.
  • the piston via a core with a magnet arrangement after FIG. 4b which then links to the one or more long stators.
  • FIG. 4d shows a plan view of a variant of a traveling field winding 403 Figure 4c ,
  • there are three windings 416-1, 416-2 and 416-3 which correspond to the three phases of the three-phase current. If alternating current is used with a different number of phases, then the number of windings 416 can be adjusted accordingly.
  • the windings 416 are here placed directly above one another and fastened on a strip 417, which in turn can be fastened to the housing 401.
  • the windings 416 may be encapsulated.
  • the strip 417 may be made of ferromagnetic material, and thus additionally serve as the "iron core" of the coils. However, the strip 417 can also be dispensed with.
  • FIG. 5a shows a side section of a stirrer 500.
  • the housing 501 in this case comprises a pot whose interior serves as a stirring chamber.
  • a moving part 502 comprising one or more stirring blades 508 for stirring, mixing or blending one or more fluids.
  • the moving part 502 includes a hub 509 supported on an axle 510.
  • the stator coils 503 are embedded here in the outer surface of the housing 501.
  • the moving part 502 has two magnets 504-1 and 504-2 in its wings 508, the magnet 504-1 being integrated in the outer area 518 and the magnet 504-2 being integrated in the lower area 519 of the wing 508.
  • FIG. 5b Fig. 12 shows a bottom view of the agitator 500. Shown are two stator coil rings, one of which is formed by the stator coils 503-1 on the side wall of the housing 501 and the other by the stator coils 503-2 on the bottom of the housing. Both rings are concentric with the rotational paths of the rotor magnets 504-1 and 504-2 in operation of the device.
  • the ring of the coils 503-1 lies, for example, at the height of the rotor magnets 504-1, while the ring of the coils 503-3 is below the magnets 504-2.
  • FIG. 5c shows a side section of another embodiment of the agitator 500, wherein the moving part 502 comprises a hub 509 supported on an axle 510.
  • the axis 510 including movement part 502 can be inserted from above into the housing 501.
  • the strut 513 may be connected, for example, with a cover 520 or other cover of the agitator.
  • the movement part 502 has one or more vanes 508.
  • a magnet 504-1 is mounted here in and / or on the outer region 518 of the movement part 502, while in each case two magnets 504-1 are arranged in and / or on the lower region 519 of the movement part 502. 2 and 504-3 are attached.
  • a respective number of coils 503-1, 503-2 and 503-3 form three stator coil rings corresponding to the rotational paths of the rotor magnets 504-1, 504-2 and 504-3 as shown in FIG FIG. 5b shown for two lanes.
  • FIG. 5d shows a side section of another embodiment of the agitator 500, wherein the moving part 502, the stator 503 at least partially encloses.
  • the stator 503 is here on a pin 510 of the housing 501 and is partially enclosed by the hub 509 of the moving part 502.
  • the wings 508 of the moving part 502 then rotate during operation the device around the stator.
  • the rotor magnets 504 of the moving part 502 are advantageously arranged in and / or on the hub 509.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP20120163733 2011-05-02 2012-04-11 Dispositif destiné à déplacer un fluide Withdrawn EP2520805A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011075097A DE102011075097A1 (de) 2011-05-02 2011-05-02 Vorrichtung zum Bewegen eines Fluids

Publications (2)

Publication Number Publication Date
EP2520805A2 true EP2520805A2 (fr) 2012-11-07
EP2520805A3 EP2520805A3 (fr) 2014-11-19

Family

ID=46027630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20120163733 Withdrawn EP2520805A3 (fr) 2011-05-02 2012-04-11 Dispositif destiné à déplacer un fluide

Country Status (5)

Country Link
US (1) US20130039785A1 (fr)
EP (1) EP2520805A3 (fr)
CN (1) CN102769364B (fr)
BR (1) BR102012009804A2 (fr)
DE (1) DE102011075097A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107476948A (zh) * 2016-02-05 2017-12-15 黄文佳 一种一体式水泵

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012112560B3 (de) * 2012-12-18 2014-05-15 Kumatec Sondermaschinenbau & Kunststoffverarbeitung Gmbh Flügelradpumpe für einen Elektrolyseur
DE102013010223B4 (de) 2013-06-18 2022-06-23 Georg Schönwies Generator-Vorrichtung
US9498662B2 (en) * 2014-02-18 2016-11-22 Leonard E. Doten Polymer gel emulsion injection system
CN107436652A (zh) * 2016-05-25 2017-12-05 奇鋐科技股份有限公司 水冷装置
US20170363362A1 (en) * 2016-06-16 2017-12-21 Asia Vital Components Co., Ltd. Water-cooling device
WO2018117910A1 (fr) 2016-12-22 2018-06-28 Дмитрий Владимирович ВЕДЕНИН Dispositif de transmission d'énergie mécanique à un flux de travail
CN113123972B (zh) * 2019-12-31 2023-06-06 丹佛斯（天津）有限公司 油泵和涡旋压缩机
EP4002652A1 (fr) 2020-11-23 2022-05-25 Hitachi Energy Switzerland AG Réservoir, unité de puissance et système de circulation de liquides
CN113275333A (zh) * 2021-06-23 2021-08-20 田雨 一种磁力推动的微反应输送装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3501127A1 (de) 1985-01-15 1986-07-17 Helmut 5000 Köln Falterbaum Vorrichtung zum herstellen von mischgetraenken aus mindestens zwei fluessigen komponenten, von denen eine wasser ist
DE3942679A1 (de) 1989-12-22 1991-06-27 Ekato Ind Anlagen Verwalt Mischvorrichtung
DE4102707A1 (de) 1990-01-31 1991-08-08 Ntn Toyo Bearing Co Ltd Turbopumpe mit magnetisch gelagertem fluegelrad
EP0355796B1 (fr) 1988-08-22 1994-11-02 Ebara Corporation Pompe centrifuge possédant un palier magnétique
DE4315234A1 (de) 1993-05-07 1994-11-10 Khs Processtechnik Gmbh Verfahren zur Herstellung von Flüssigkeitsgemischen aus verschiedenen Einzelkomponenten
DE19505543A1 (de) 1995-02-18 1996-08-22 Wilo Gmbh Kreiselpumpe mit Drehzahlsensor
DE10052797A1 (de) 2000-10-25 2002-05-08 Bosch Gmbh Robert Elektromotorisch angetriebene Pumpe und Verfahren zur Herstellung einer solchen Pumpe

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6908353A (fr) * 1968-07-01 1970-01-05
US4688998A (en) * 1981-03-18 1987-08-25 Olsen Don B Magnetically suspended and rotated impellor pump apparatus and method
US4944748A (en) * 1986-10-12 1990-07-31 Bramm Gunter W Magnetically suspended and rotated rotor
DE9010254U1 (de) * 1990-07-06 1991-10-31 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Geschirrspülmaschine mit einer Motorpumpe
US5350283A (en) * 1991-12-04 1994-09-27 Ntn Corporation Clean pump
US5527159A (en) * 1993-11-10 1996-06-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Rotary blood pump
US5618167A (en) * 1994-07-28 1997-04-08 Ebara Corporation Vacuum pump apparatus having peltier elements for cooling the motor & bearing housing and heating the outer housing
DE4438132A1 (de) * 1994-10-27 1996-05-02 Wilo Gmbh Spaltrohrpumpe
JP3530910B2 (ja) * 1994-11-18 2004-05-24 株式会社荏原製作所 遠心モータポンプ
EP0819330B1 (fr) * 1995-04-03 2001-06-06 Levitronix LLC Machine rotative avec systeme electromagnetique d'entrainement en rotation
JP2860398B2 (ja) * 1995-05-22 1999-02-24 工業技術院長 アキシャル磁気浮上回転モータ及びこれを用いた回転機器
US6053705A (en) * 1996-09-10 2000-04-25 Sulzer Electronics Ag Rotary pump and process to operate it
US5708313A (en) * 1996-10-28 1998-01-13 Finish Thompson Inc. Sump pump
JP3400924B2 (ja) * 1997-03-05 2003-04-28 東芝テック株式会社 電動ポンプ
US6249071B1 (en) * 1998-10-14 2001-06-19 Advanced Rotary Systems Llc Rotor drive motor with u-shaped stator cores
JP2001207988A (ja) * 2000-01-26 2001-08-03 Nipro Corp 磁気駆動型軸流ポンプ
DE10009240A1 (de) * 2000-02-28 2001-09-13 Mann & Hummel Filter Elektrisch angetriebene Flüssigkeitspumpe
DE10123139B4 (de) * 2001-04-30 2005-08-11 Berlin Heart Ag Verfahren zur Regelung einer Unterstützungspumpe für Fluidfördersysteme mit pulsatilem Druck
US6896492B2 (en) * 2002-08-28 2005-05-24 Motorola, Inc. Magnetically driven air moving apparatus, with magnetically tipped fan blades and a single field coil and core
DE10307696A1 (de) * 2002-09-13 2003-10-02 Hubert Stephan Förderpumpe und verstellbares Förder-, Drossel- und Absperrelement für Fluide
DE10261574A1 (de) * 2002-12-23 2004-07-01 Robert Bosch Gmbh Klauenpolmotor
JP2005030322A (ja) * 2003-07-07 2005-02-03 Nidec Shibaura Corp ポンプ及びそれを用いた食器洗い器
US7128538B2 (en) * 2003-07-07 2006-10-31 Terumo Corporation Centrifugal fluid pump apparatus
CN101373911A (zh) * 2003-09-10 2009-02-25 精工爱普生株式会社 使用配备有与叶片成一体的转子的电机的风扇单元
US20050147501A1 (en) * 2004-01-05 2005-07-07 Ming-Kun Cheng Magnetized fan and method of fabricating the same
US7659648B2 (en) * 2004-03-10 2010-02-09 Comair Rotron Inc. Motor with raised rotor
US7780422B2 (en) * 2004-10-07 2010-08-24 Ebm-Papst St. Georgen Gmbh & Co. Kg Assembly for transporting fluids
CN100453820C (zh) * 2005-07-15 2009-01-21 富准精密工业(深圳)有限公司 散热风扇
JP2008228443A (ja) * 2007-03-13 2008-09-25 Hitachi Ltd 電気機械及びその製造方法
JP2009074433A (ja) * 2007-09-20 2009-04-09 Panasonic Electric Works Co Ltd ポンプ
FR2921978B1 (fr) * 2007-10-08 2014-04-11 Snecma Turboreacteur a generateur electrique agence dans la soufflante
US8513826B2 (en) * 2008-06-26 2013-08-20 Ed Mazur Wind turbine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3501127A1 (de) 1985-01-15 1986-07-17 Helmut 5000 Köln Falterbaum Vorrichtung zum herstellen von mischgetraenken aus mindestens zwei fluessigen komponenten, von denen eine wasser ist
EP0355796B1 (fr) 1988-08-22 1994-11-02 Ebara Corporation Pompe centrifuge possédant un palier magnétique
DE3942679A1 (de) 1989-12-22 1991-06-27 Ekato Ind Anlagen Verwalt Mischvorrichtung
DE4102707A1 (de) 1990-01-31 1991-08-08 Ntn Toyo Bearing Co Ltd Turbopumpe mit magnetisch gelagertem fluegelrad
DE4315234A1 (de) 1993-05-07 1994-11-10 Khs Processtechnik Gmbh Verfahren zur Herstellung von Flüssigkeitsgemischen aus verschiedenen Einzelkomponenten
DE19505543A1 (de) 1995-02-18 1996-08-22 Wilo Gmbh Kreiselpumpe mit Drehzahlsensor
DE10052797A1 (de) 2000-10-25 2002-05-08 Bosch Gmbh Robert Elektromotorisch angetriebene Pumpe und Verfahren zur Herstellung einer solchen Pumpe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107476948A (zh) * 2016-02-05 2017-12-15 黄文佳 一种一体式水泵

Also Published As

Publication number Publication date
EP2520805A3 (fr) 2014-11-19
DE102011075097A1 (de) 2012-11-08
CN102769364B (zh) 2015-06-10
BR102012009804A2 (pt) 2016-04-12
US20130039785A1 (en) 2013-02-14
CN102769364A (zh) 2012-11-07

Similar Documents

Publication Publication Date Title
EP2520805A2 (fr) Dispositif destiné à déplacer un fluide
EP0520333B1 (fr) Unité de pompage
EP0628224B1 (fr) Pompe electrique
DE69005942T2 (de) Vorrichtung zur Förderung einer Flüssigkeit.
DE102007062540A1 (de) Elektromotor beziehungsweise Generator
DE102009015044A1 (de) Segmentkranz-Ringgenerator
EP3374642B1 (fr) Pompe à liquide axiale électrique pour véhicule automobile
CH668919A5 (de) Geraet zum ruehren oder pumpen eines mediums.
CN106911239A (zh) 电机
CH702059A1 (de) Bürstenloser gleichstrommotor mit stromloser hemmung.
DE202012010653U1 (de) Pumpe zur Förderung von Medien
EP2905472A1 (fr) Pompe centrifuge de type humide
DE10062207A1 (de) Pumpe mit wählbaren Ansaugöffnungen
WO2006027043A1 (fr) Dispositif de circulation de fluides
DE102014106932A1 (de) Pumpe
WO2015067514A1 (fr) Électropompe à eau
DE102006043343B4 (de) Dynamoelektrische Vorrichtung
DE19860149A1 (de) Heiz-Vorrichtung
DE202005013923U1 (de) Anordnung zur Förderung von Fluiden
EP1665499A1 (fr) Machine electrique et pompe utilisant cette derniere
DE102007021917A1 (de) Elektrische Maschine mit verbesserter Wärmeabfuhr
DE102014119257B4 (de) Durch ein Fluid angetriebene Stromerzeugungsvorrichtung
EP1914381A1 (fr) Dispositif d'alimentation, en particulier destinée à l'alimentation de carburant pour un appareil de chauffage de véhicule
DE102004003400A1 (de) Kreiselpumpenaggregat
EP0002490B1 (fr) Dispositif pour l'aération de liquides aqueux, en particulier de purin ou d'eaux d'égout

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/22 20060101ALI20141010BHEP

Ipc: F04D 29/24 20060101ALI20141010BHEP

Ipc: F04D 13/06 20060101AFI20141010BHEP

17P Request for examination filed

Effective date: 20141210

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

17Q First examination report despatched

Effective date: 20150304

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20150715