WO2011127939A1 - Entraînement direct linéaire électromagnétique - Google Patents

Entraînement direct linéaire électromagnétique Download PDF

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Publication number
WO2011127939A1
WO2011127939A1 PCT/EP2010/002259 EP2010002259W WO2011127939A1 WO 2011127939 A1 WO2011127939 A1 WO 2011127939A1 EP 2010002259 W EP2010002259 W EP 2010002259W WO 2011127939 A1 WO2011127939 A1 WO 2011127939A1
Authority
WO
WIPO (PCT)
Prior art keywords
return
drive housing
linear direct
direct drive
recess
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.)
Ceased
Application number
PCT/EP2010/002259
Other languages
German (de)
English (en)
Inventor
Christin Clauss
Ulrich Diener
Jürgen Gückel
Christian Welk
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.)
Festo SE and Co KG
Original Assignee
Festo SE and Co KG
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 Festo SE and Co KG filed Critical Festo SE and Co KG
Priority to PCT/EP2010/002259 priority Critical patent/WO2011127939A1/fr
Priority to EP10719529A priority patent/EP2559139A1/fr
Publication of WO2011127939A1 publication Critical patent/WO2011127939A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/187—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to inner stators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type

Definitions

  • the invention relates to an electromagnetic linear direct drive with a drive housing, which is traversed along a lifting axis of a recess in which at least one electrically conductive toroidal coil is arranged, which is adapted to provide a magnetic field when exposed to electrical energy, and with a rotor, the in a Ringpulenaus strictlyung along the stroke axis is mounted linearly movable to the coil and the magnet means, which are designed to interact with the magnetic field provided by the toroidal magnetic field for applying a force to the rotor, wherein on an outer circumference of the toroidal coil a return path arrangement is arranged, which consists of several along the lifting axis aligned return rods, which are made of a magnetically conductive material is formed.
  • the invention relates to a method for producing a correspondingly designed electromagnetic linear direct drive.
  • the linear motor includes a stator having a coil assembly constructed of a plurality of annular coils and defining a cylindrical space. Furthermore, the linear motor comprises a return of magnetic material which is attached to the outside of the coil assembly, and a rotor, a bearing rod and
  • CONFIRMATION COPY comprises permanent magnets attached thereto.
  • the conclusion is formed by a plurality of attached to the outer circumferential surface of the coil assembly ferromagnetic strips, which extend in the stroke direction of the rotor.
  • the coil assembly and the circularly arranged around the coil assembly and attached to the coil assembly ferromagnetic strips are accommodated in a drive housing, which is interspersed for this purpose by a longitudinal axis of the stroke extending recess.
  • the object of the invention is to provide a linear direct drive which has a simplified construction.
  • the return rods are point-symmetrical to a center axis of the recess in the drive housing, preferably in uniform angular pitch, are arranged.
  • An essential task of the return rods is to keep the magnetic fields emanating from the rotor as well as the magnetic fields occurring when the toroidal coils are energized at least largely inside the linear direct drive, so that no or only small magnetic forces occur on the outer surface of the drive housing.
  • the feedback means formed from the return bars point-symmetrical, in particular point symmetrical to the stroke axis is constructed , This is particularly important in return rods of importance, which have a non-round, for example rectangular, cross-section.
  • the largest surfaces of the, for example, rectangularly profiled return bars with the respective surface normal are each aligned parallel to a radial direction of the recess in the drive housing.
  • the return bars are arranged in a uniform angular pitch about the central axis of the recess.
  • the return rods all have the same cross section.
  • the return-path rods to be supported in the radial direction inwardly on the drive housing, in particular to be received in a form-fitting manner in the drive housing.
  • the advantageous symmetrical arrangement of the return bars relative to the toroidal coils is supported.
  • an unconventional desired deformation of the return bars that are reduced or prevented in response to magnetic forces that occur during operation of the linear direct drive. As a result, unwanted forces are reduced to the runner or completely avoided.
  • the return rods in particular with respect to the radial direction inwards, are accommodated in a form-fitting manner in the drive housing, this ensuring an exact and defined positioning of the return rods relative to the toroidal coils and the rotor.
  • the recess in the drive housing comprises undercut areas for receiving the return bars.
  • the undercut regions are arranged in such a way that the return rods can rest in the radial direction inwardly on the drive housing and thus be supported in a planar manner in order to obtain reliable support in the case of the magnetic forces that occur.
  • radial webs are formed, the shafts for receiving the return rods and the extending in a radially inner region in the circumferential direction, preferably cut-shaped support surfaces comprise, the form-fitting system of the return bars are formed.
  • the radial webs ensure on the one hand a uniform spacing of the return rods in the circumferential direction.
  • the radial webs with the bearing surfaces extending essentially in the circumferential direction ensure the defined contact of the return rods in the radial direction inwards.
  • the support surfaces are at least partially cut-shapedaded- det, wherein the cutting tips preferably extend in the radial direction to the outside.
  • an electrically insulating layer is formed between the drive housing and the return bars. This is particularly important when the drive housing is made of an electrically conductive material, in particular aluminum.
  • the drive housing is made of an electrically conductive material, in particular aluminum.
  • magnetic fields are generated by the at least one toroid to drive the rotor. These magnetic fields cause eddy currents in the return rods. If the eddy currents can flow away from the return bars via the drive housing, this affects the efficiency of the linear direct drive. Due to the insulation between the drive housing and the return bars, the eddy currents produced in each of the return bars remain locally isolated, which ensures the least possible impact on the efficiency of the linear direct drive.
  • the electrically insulated layer is applied as a coating, in particular as a cathodic dip coating, on the return rods.
  • a coating which is preferably applied from a shapeless mass to the surface of the return rods, the desired insulation can be produced in a simple and cost-effective manner.
  • it may be provided to produce the return rods from an elongated strip material.
  • the strip material is provided with a cathodic dip coating in a continuous dipping process. After curing of the paint, the tape material is cut into corresponding sections. The not isolated End faces of the strip material are then to be mounted in the drive housing such that they are not in electrical contact with the drive housing.
  • the return bars are coated only after mechanical processing, whereby a simpler installation is ensured in the drive housing.
  • a sensor device is arranged in an annular gap section between the annular coil and an associated return bar.
  • the installation space within the drive housing is utilized to particular advantage, since the annular gap section formed by the spacing of annular coil and return bar is utilized in a type of double function for the integration of sensors, for example temperature sensors, displacement sensors, electric or magnetic field sensors, etc.
  • drive circuits for the sensor devices which comprise electrical and / or electronic components and which are arranged, for example, on rigid or flexible printed circuit boards, can be introduced in a space-saving manner into the annular gap.
  • an annular gap section between the annular coil and an associated recoil rod and / or an annular gap section between the return bar and the drive housing is filled at least almost completely with a, preferably curable, potting compound.
  • the potting compound may be provided to set the return bars in the recess of the drive housing so that they have no degrees of freedom of movement during operation of the linear direct drive.
  • the casting compound may additionally or alternatively for a thermal coupling between the toroidal coil and the return bar and / or between the return bar and the drive housing be provided to ensure an advantageous heat dissipation of the acted upon during operation of the linear direct drive with electrical energy ring coils on the return bars and the drive housing in the environment.
  • the potting compound is selected such that it has a high thermal conductivity, in particular close to the thermal conductivity of metals.
  • the potting compound is designed to be electrically insulating.
  • the bobbin prefferably comprises at least one coupling means, in particular a plug and / or socket, for attachment to an adjacent bobbin.
  • the bobbins can be plugged together in a simple manner, whereby a mechanical prefixing is ensured.
  • the bobbins can be provided on axial end faces with plugs and / or sockets, which are provided for engagement in or for receiving adjacent coil bobbins.
  • the bobbin at least one radially extending support ring for axially supporting the Ring coil comprises, which has at least one aligned in the direction of the lifting axis, the support ring passing through recess.
  • the bobbin is equipped with two spaced apart support rings, which are arranged in the manner of a cable drum.
  • the support rings are provided with recesses which facilitate a flow through the potting compound.
  • the support rings in a radially outer region notches or notches, which facilitate the leadership of connecting wires and Spulenabzapfonne along the lifting axis on adjacent coils away.
  • an extension of the return rods in the circumferential direction of the toroidal coil is formed larger than a distance between adjacently arranged return wires.
  • This provides an advantageous compromise between the shielding effect caused by the magnetic field magnetic return poles against a linear direct drive environment and the feedback effects, in particular eddy currents and re-magnetization losses, which occur through the return poles during operation of the linear direct drive which are related to the efficiency of the Linear direct drive impact achieved.
  • a particularly advantageous effect of the inference arrangement can then be achieved if the extent of the return rods in the circumferential direction is more than twice as large as that of the adjacent return rods.
  • the drive housing is made of a non-ferromagnetic material, in particular aluminum, preferably as an extruded part.
  • a non-ferromagnetic material in particular a metallic material
  • the drive housing is made of aluminum, which allows a cost-effective production with advantageous mechanical properties.
  • the drive housing is designed as an extruded aluminum part with a constant cross-sectional profiling.
  • the object of the invention is also achieved by a method for producing an electromagnetic linear direct drive.
  • the linear direct drive on the features of the preamble of claim 1.
  • the method according to the invention comprises the steps of inserting the return rods into undercut areas of the recess in the drive housing, inserting the at least one ring coil into the recess in the drive housing, inserting magnetite, in particular a permanent magnet arrangement into the toroidal coil recess, introducing a shapeless casting compound into Annular gap sections between the at least one toroidal coil and the return bars and / or between the return bars and the drive housing, curing the potting compound.
  • the aim of the method is to achieve in a few steps a reliable determination of the return bars and optionally an advantageous thermal coupling between the toroidal coils, the return bars and the drive housing.
  • the return rods are inserted into the recessed-end, undercut regions of the recess in the drive mechanism. housing inserted. Due to the undercut design of these regions, an at least provisional determination of the return rods, in particular in the radial direction inwards can be achieved.
  • the at least one toroidal coil is inserted into the recess in the drive housing:
  • the adjacently arranged toroidal coils can already be coupled to one another by correspondingly configured coil bodies.
  • the assembly of the coil assembly is facilitated in the recess of the drive housing.
  • magnetic means are introduced into the toroidal coil recess. These magnetic means can either be a permanent magnet arrangement or a ring coil arrangement which emits a magnetic field when exposed to electrical energy. Alternatively, an application of electrical energy to the at least one annular coil can be provided in order to allow magnetic forces to act on the return rods.
  • the purpose of providing magnetic forces, in particular by the magnetic means, is to simulate the magnetic forces occurring during the operation of the linear direct drive during the subsequent Vergussuzes as realistic as possible. This ensures that the return bars are cast in a position that essentially corresponds to the operating state. This avoids that unwanted magnetic force-repercussions from the rotor and / or the toroidal coils take place during operation of the linear direct drive on the return bars and as a result of this unwanted relative movements between the return bars and the drive housing. Rather, the return rods are brought by the magnetic means in a biased position, from which they duxch the magnetic forces occurring during operation not or only to a minor extent from be steered.
  • a shapeless sealing compound for example a synthetic resin composition, in particular a particle-filled synthetic resin composition, is introduced into the annular gap sections between the at least one annular coil and the return rods and / or between the return rods and the drive housing.
  • the purpose of the potting compound is on the one hand in the definition of the return bars in the drive housing.
  • suitable filling of the potting compound for example, with particles of good thermal conductivity material, which is preferably electrically insulating, an advantageous thermal coupling between the toroidal coils and the drive housing can be achieved.
  • the potting compound is cured, this can be achieved for example in a two-component potting compound through time and / or heat.
  • an activation of the curing process with ultraviolet light or other high-energy radiation can be achieved.
  • the return rods are inserted into the undercut portions of the recess in the drive housing and in a subsequent processing step by plastic deformation of the undercut formed areas of The recess-limiting radial webs can be fixed in the drive housing in a crankcase-like manner. This will make a special ders reliable determination of the return rods achieved, which is particularly in harsh conditions for the linear direct drive of interest.
  • the toroidal coil or the ring coil assembly is inserted into the recess in the drive housing and introduced a mold-free potting compound in annular gap sections between the toroidal coil and the return bars and / or between the return bars and the drive housing and cured.
  • a determination of the return rods can be achieved for example by plastic deformation of the radial webs.
  • FIG. 1 shows a perspective view of a partially assembled linear direct drive with an enlarged detail
  • FIG. 2 is a partial sectional view of a fully assembled linear direct drive
  • Figure 3 is a perspective view of the drive housing with a detail magnification
  • Figure 4 is a perspective view of a bobbin for the toroidal coil.
  • the linear direct drive 1 shown in FIG. 1 comprises a drive housing 2 which is produced, for example, as an aluminum extruded part and which preferably has an at least substantially constant cross section along a lifting axis 3.
  • Each end of the drive housing 2 is provided with a cylindrical recess into which a in detail in the figure 2, for example, ring-shaped shaped trained cover can be included.
  • a milling not designated in detail is provided, which can serve for example for the exact positioning of the linear direct drive 1 against machine components not shown.
  • the drive housing 2 has in a non-illustrated cross-sectional plane whose surface normal is aligned parallel to the lifting axis 3, a substantially cylindrical recess 4, in which a plurality along the lifting axis 3 lined up ring coils 5 can be added.
  • the toroidal coils 5 are produced by way of example in a manner not shown from a plurality of preferably circular turns of an elongate metallic material, for example a copper enameled wire.
  • the toroidal coils 5 can be arranged, for example, in a predefinable division, for example every third coil, electrically coupled to one another.
  • a yoke assembly 7 is also provided, whose task is the magnetic fields occurring during operation of the linear direct drive 1, which are caused by electrical loading of the toroidal coils 5, and serve the application of restoring forces on the rotor, at least partially Shield the outside, so that these magnetic fields outside the drive housing 2 produce no unwanted interference.
  • the inference arrangement 7 is formed from a multiplicity of, for example, strip-like, in particular rectilinear, formed return-connection bars 8, which are accommodated in the drive housing 2 and fixed by means of non-illustrated Vergus-smit el.
  • the return rods 8 are made, for example, of a metallic material with ferromagnetic properties, in particular steel.
  • the return poles 8 are suitable to attenuate the magnetic fields generated by the toroidal coils 5 and the magnetic fields of the rotor in the radial direction to the outside.
  • unspecified longest body edges of the return rods 8 are aligned parallel to the lifting axis 3.
  • This coating can be produced, for example, by immersing the conclusion rods 8 in a coating bath, in particular in the course of a cathodic dip coating, or by spraying or otherwise applying a shapeless and curable composition onto the surface of the conclusion rods 8 by way of example.
  • the return-path rods 8 have a rectangular cross-section in the cross-sectional plane, which is normal to the lifting axis 3 and which is not shown.
  • the return bars 8 can be inexpensively made of a strip material, in particular a steel strip with a rectangular cross-section, by appropriate
  • the return bars 8 are preferably arranged point-symmetrical to the lifting axis 3, wherein adjacent return bars 8 are each arranged at a constant pitch angle 9 to each other.
  • the surface normals (not shown in detail) of the respective largest surfaces of the return-path rods 8 are each aligned with the lifting axis 3 parallel to a radial direction.
  • radial webs 10 are arranged in the substantially cylindrical recess 4 in the drive housing 2 radially inwardly extending, preferably integrally formed with the drive housing 2.
  • the radial webs 10 have in a radially inner region formed as a transverse extent in the circumferential direction widening area and thus form in the radial direction inwardly undercut areas 11.
  • this undercut areas 11 as can be seen in Figure 1, the return wires 8th inserted and are fixed there in relation to the radial direction inwardly form-fitting.
  • first annular gaps 12 are formed in each case essentially annular section-shaped between the annular coil 5 and the return wires 8. These first annular gaps 12 are filled by way of example with a potting compound, not shown. Furthermore, second annular gaps 15 are formed between the return bars 8 and the drive housing 2, which can likewise be filled with casting compound (not shown).
  • the return rods 8 are arranged in the radial direction at a distance from the annular coils 5, since this results in a separate assembly of the return-path rods 8 and the ring coils 5 can be realized in the drive housing 2. Due to the profiling of the recess 4 in the drive housing 2, the return rods 8 take a clearly determined position relative to the toroidal coils 5 both in the radial direction and in the circumferential direction. Preferably, the same distance between the toroidal coils 5 and the return bars 8 is ensured over the entire length of the respective return bars 8 and over the circumference of the ring coils 5. As a result, undesirable transverse forces are avoided.
  • the undesired transverse forces transversely to the lifting axis 3 occur in addition to the desired longitudinal forces along the lifting axis 3 in principle by the interaction of the output from the toroidal coils 5 upon electrical impingement magnetic fields with the rotor 18 shown in detail in FIG. If the rotor 18 is arranged exactly centric in the toroidal coils 5 and in the inference arrangement 7, the transverse forces occurring cancel each other out.
  • the rotor 18 comprises a support rod 19 which extends along the lifting axis 3 and on which a plurality of ring magnets 20 each magnetized in the axial direction and made of a permanent magnetic material are arranged.
  • adjacent ring magnets 2Q are arranged such that the respective axial magnetic fields run in opposite directions to one another.
  • a north pole of a first ring magnet 20 is an a south pole of a second ring magnet 20 opposite.
  • pole shoes preferably made of ferromagnetic material spacers 21 are arranged between the ring magnet 20.
  • annular end bodies 22 are arranged on the support bar 19, which have the task of fixing the ring magnets 20 in a stationary manner on the support bar 19.
  • the end bodies 22 each have a circumferential groove 23, in which a sliding ring 24 is arranged.
  • the sliding ring 24 is supported in each case in the radial outward direction on a sliding sleeve 25 introduced in the annular coil recess, which has the task of creating a uniform sliding surface for the rotor 18 over the entire length of the linear direct drive 1.
  • This sliding sleeve 25 may for example be made of a thin-walled plastic material with a low coefficient of friction or stainless steel.
  • each ring coils 5 spaced from each other by two annular coils 5 are electrically coupled together.
  • a total of three electrically controllable ring coil groups are arranged in the linear direct drive 1 by way of example. These can be controlled by a non-illustrated electronic control according to the movement requirement for the rotor 18.
  • the radial webs 10 in the cross-sectional plane normal to the lifting axis 3 each have a substantially T-shaped cross section, wherein side faces 28 of adjacent radial webs 10 are aligned parallel to each other.
  • a formed between the radial webs 10 inner surface 29 of the 4 has a plurality of planar and mutually parallel portions which are aligned normal to a radial direction of the recess 4.
  • two parallel and spaced-apart Auflag- 30 are formed, which allow a defined support of the return bars 8 in the radial direction to the outside.
  • a support surface 16 is formed in the radial direction inwardly of the radial webs 10, which is aligned parallel to the inner surface 29 and which serves for the positive engagement of the return wires 8 in the radial direction inwards.
  • the radial webs 10 are arranged in the same angular pitch to the lifting axis 3 and thus the pitch angle 9 distributed around the lifting axis 3.
  • the pitch angle 9 and the extent of the radial webs 10 in the circumferential direction are selected such that a distance 31 between adjacent return bars 8 is less than 50 percent of the cross-sectional extent 32 of the return bars 8 in the circumferential direction.
  • the bobbin 33 shown in Figure 4 is in the form of a cable drum and has a cylindrical sleeve-shaped base ring 38 and each end of the base ring 38 in the radial direction projecting support rings 34. While a first support ring 34 is flush with the front end of the base ring 38 facing away from the observer of FIG. 4, the second support ring 34 is set back in the axial direction with respect to the end face of the base ring 38 facing the observer. As a result, an annular collar 35 is formed, which serves as a plug-in coupling element and can be inserted in a non-visible annular recess of an adjacent bobbin 33. Thus, a centering of adjacent bobbin 33 is achieved.
  • Supporting ring 34 are exemplarily three wire notches 37 are mounted, which extend from the radially outer peripheral portion in the radial direction inwards and which serve for the implementation of coil wires, not shown in the direction of the lifting axis. Furthermore, substantially uniformly distributed through openings 40 are formed in the support ring 34, whose center axes are preferably parallel to the Hubachse 3 and which are provided for a complete flooding of not filled by the coil wire, not shown in Figure 4 space between the support rings 34 with potting compound.
  • a determination of the return poles 8 in the drive housing 2 can be achieved with different procedures.
  • a first procedure it is provided to insert the return rods 8 in the undercut portions 11 of the recess in the drive housing 2, then insert the coil assembly formed from a plurality of juxtaposed ring coils in the recess 4 of the drive housing 2 and to position correctly with respect to the longitudinal extent of the drive housing. Magnetic forces are then applied, either by separate magnet means or by applying current to the toroidal coils 5, which simulate the magnetic forces which occur during operation of the linear direct drive on the return rods 8. As a result, the return rods 8 are brought into surface contact with the support surfaces 16 of the radial webs 10. Subsequently, the introduction of a shapeless potting compound in the annular gaps 12, 15 instead, wherein the potting compound by the
  • Passage openings 40 of the bobbin 33 passes and thus completely surrounds the toroidal coils.
  • electrically advantageous thermal coupling, and- a .mechanical fixing of the toroidal coils in the drive housing 2 is achieved.
  • annular coils 5 are then inserted into the recess 4 of the drive housing 2 and then there is a casting of ring coils 5, return bars 8 and drive housing 2 instead.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Linear Motors (AREA)

Abstract

L'invention concerne un entraînement direct linéaire électromagnétique comprenant : un boîtier d'entraînement (2) qui est traversé, le long d'un axe de course (3), par un évidement (4) dans lequel est disposée au moins une bobine toroïdale (5) électro-conductrice qui est conçue de manière à fournir un champ magnétique lorsqu'elle est alimentée en énergie électrique, et un induit (18) qui est logé dans un évidement (36) de la bobine toroïdale, le long de l'axe de course (3), déplaçable linéairement par rapport à la bobine toroïdale (5), et qui présente des moyens magnétiques (20) qui sont conçus pour interagir avec le champ magnétique pouvant être fourni par la bobine toroïdale (5) en vue de l'application d'une force de réglage sur l'induit (18), un ensemble culasse (7) étant placé sur un pourtour extérieur de ladite bobine toroïdale (5), lequel ensemble culasse est formé de plusieurs barres de culasse (8) orientées le long de l'axe de course (3) et fabriquées en un matériau magnéto-conducteur. L'invention est caractérisée en ce que les barres de culasse (8) sont disposées dans le boîtier d'entraînement (2) à une certaine distance de ladite au moins une bobine toroïdale (5) dans la direction radiale.
PCT/EP2010/002259 2010-04-13 2010-04-13 Entraînement direct linéaire électromagnétique Ceased WO2011127939A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2010/002259 WO2011127939A1 (fr) 2010-04-13 2010-04-13 Entraînement direct linéaire électromagnétique
EP10719529A EP2559139A1 (fr) 2010-04-13 2010-04-13 Entraînement direct linéaire électromagnétique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/002259 WO2011127939A1 (fr) 2010-04-13 2010-04-13 Entraînement direct linéaire électromagnétique

Publications (1)

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WO2011127939A1 true WO2011127939A1 (fr) 2011-10-20

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PCT/EP2010/002259 Ceased WO2011127939A1 (fr) 2010-04-13 2010-04-13 Entraînement direct linéaire électromagnétique

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2109241A1 (de) * 1970-03-05 1971-09-16 Jeumont Schneider Elektrische Vorrichtung fur geradlinigen Antrieb
US3852627A (en) * 1973-04-09 1974-12-03 M Davis Composite stator concentric linear induction motor
JPS59136081A (ja) * 1983-01-22 1984-08-04 Masanobu Yatsugi 連結可動ボビン
DE4217357A1 (de) * 1992-05-26 1993-12-02 Oswald Elektromotoren Gmbh Linearmotor
WO2002065615A2 (fr) * 2001-02-12 2002-08-22 Tri-Tech, Inc. Moteur pas-à-pas linéaire, bâti d'aimantation, et procédés correspondants
EP1404012A2 (fr) * 2002-09-24 2004-03-31 Festo AG & Co Système de bobines, son procédé de fabrication, et moteur linéaire électrodynamique équipé dudit système
US20060028072A1 (en) * 2004-08-09 2006-02-09 Oriental Motor Co., Ltd. Cylinder-type linear motor and moving part thereof
WO2009025162A1 (fr) * 2007-08-21 2009-02-26 Kabushiki Kaisha Yaskawa Denki Armature de moteur linéaire cylindrique et moteur linéaire cylindrique

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2109241A1 (de) * 1970-03-05 1971-09-16 Jeumont Schneider Elektrische Vorrichtung fur geradlinigen Antrieb
US3852627A (en) * 1973-04-09 1974-12-03 M Davis Composite stator concentric linear induction motor
JPS59136081A (ja) * 1983-01-22 1984-08-04 Masanobu Yatsugi 連結可動ボビン
DE4217357A1 (de) * 1992-05-26 1993-12-02 Oswald Elektromotoren Gmbh Linearmotor
WO2002065615A2 (fr) * 2001-02-12 2002-08-22 Tri-Tech, Inc. Moteur pas-à-pas linéaire, bâti d'aimantation, et procédés correspondants
EP1404012A2 (fr) * 2002-09-24 2004-03-31 Festo AG & Co Système de bobines, son procédé de fabrication, et moteur linéaire électrodynamique équipé dudit système
US20060028072A1 (en) * 2004-08-09 2006-02-09 Oriental Motor Co., Ltd. Cylinder-type linear motor and moving part thereof
US7378765B2 (en) 2004-08-09 2008-05-27 Oriental Motor Co., Ltd. Cylinder-type linear motor and moving part thereof
WO2009025162A1 (fr) * 2007-08-21 2009-02-26 Kabushiki Kaisha Yaskawa Denki Armature de moteur linéaire cylindrique et moteur linéaire cylindrique

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