Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
  • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F7/00—Magnets
  • H01F7/02—Permanent magnets [PM]
  • H01F7/0231—Magnetic circuits with PM for power or force generation
  • H01F7/0242—Magnetic drives, magnetic coupling devices
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F7/00—Magnets
  • H01F7/06—Electromagnets; Actuators including electromagnets
  • H01F7/064—Circuit arrangements for actuating electromagnets
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F7/00—Magnets
  • H01F7/06—Electromagnets; Actuators including electromagnets
  • H01F7/20—Electromagnets; Actuators including electromagnets without armatures
  • H01F7/206—Electromagnets for lifting, handling or transporting of magnetic pieces or material
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
  • H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
• • 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
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F7/00—Magnets
  • H01F7/06—Electromagnets; Actuators including electromagnets
  • H01F7/20—Electromagnets; Actuators including electromagnets without armatures
  • H01F7/206—Electromagnets for lifting, handling or transporting of magnetic pieces or material
  • H01F2007/208—Electromagnets for lifting, handling or transporting of magnetic pieces or material combined with permanent magnets
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F7/00—Magnets
  • H01F7/06—Electromagnets; Actuators including electromagnets
  • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
  • H01F7/16—Rectilinearly-movable armatures
  • H01F7/1638—Armatures not entering the winding
  • H01F7/1646—Armatures or stationary parts of magnetic circuit having permanent magnet
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
  • H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
  • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
  • H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
  • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
  • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
  • H02P25/032—Reciprocating, oscillating or vibrating motors

Definitions

• Magnetic device comprising an acceleration unit acting on the translator
• This invention relates to a magnetic device comprising at least one stator magnet and a translator magnet, which translator magnet is movable along a Translatorschulsbahn in a Translatorschulsraum relative to the stator magnet, wherein the translator is coupled in at least portions of the Translatorschulsbahn with an acceleration unit, which in coupling the translator with the acceleration unit acting on the translator acceleration force state comprising a correction force F corr causes, which acceleration force state can cause a movement of the translator away from the stator.
• stator magnet is referred to below briefly as the stator
• translator magnet in the following as the translator.
• Magnetic drives of the prior art comprise at least one stator and a translator which is movable relative to the stator utilizing the magnetic attractive forces and repulsive forces acting between the stator and the translator. It is known from AT20110001260 20110905 (Applicant Jeremy Hein, Martin Marschner von Helmreich) that the attractive forces and the repulsive forces are essentially a function of the distance between stator and translator. The sum of the forces acting on the translator, causing a movement of the translator forces can be optimized by choosing a distance of the translator to the closer stator.
• stator and translator act as one regardless of the polarity of the stator and the translator Magnet.
• the sufficiently small distance is given inter alia by the field strength of the translator in relation to the stator or vice versa.
• the field strength of the translator may be low during operation of a magnetic device, for example, during the time of polarity reversal of an electromagnet relative to the stator.
• movement of the translator away from the stator is prevented or slowed down by the attractive forces acting between the stator and the translator. This effect, which is known from the prior art, is referred to as "catching" the translator on the stator, thereby reducing the power of a magnetic device serving as a magnetic drive, for example.
• DE102997051917 discloses a magnetic device comprising an actuator designed as an electromagnet and a spring element for generating a force in the direction of movement.
• DE102997051917 does not specify the size of the force to be generated in the direction of movement, so that the expert from DE102997051917 can not deduce the magnitude of the spring force. It is also specified in EP1320178 no size specification for acting in addition to the electromagnetic linear actuator spring.
• DE10003928 discloses an electromagnetic actuator having a spring mechanism acting on the translator. According to disclosure of DE10003928, the spring mechanism acts as a reversing mechanism of the translator. The problem underlying this invention of releasing the translator from the stator during a movement of the Translators away from the stator is not covered in DE10003928.
• the spring has the task of bringing the actuator in a closed position in the event of failure of a coil.
• the spring of the device disclosed in DE202009014192 has no effect on the movement of the translator, but serves to couple a plurality of devices.
• the object of the present invention is to provide a magnetic device which, compared with prior art devices, comprises an additional component which reduces or eliminates the effect of catching the translator on the stator.
• the force state caused by the effect of the catch is referred to as the catch force state.
• this is achieved in that when coupling the translator with the acceleration unit and when moving the translator from the stator, the sum of the forces acting on the translator in Translatorschulsraum due to the magnetism forces greater than or equal to zero, so that the translator by means of the correction force F corr of the solvable by the stator attraction force is solvable.
• the magnetic device according to the invention may be a magnetic drive, a generator, a resistance element or other device, in which a translator is moved relative to the stator in the main or even partly due to forces caused by magnetic fields.
• the stator and translator act as a magnet, so that the translator is moved to the stator.
• the accelerating force state caused by the accelerating unit is directed in the direction of movement of the translator from the stator.
• the effect of the accelerating force state may be limited to the portion of the translator trajectory in which the trapping effect described above occurs.
• the acceleration force state may be superimposed in partial areas of the translator movement path by the catch force state.
• the capture force state is essentially characterized by the force of attraction acting between the stator and the translator. Depending on its magnitude, the acceleration force state counteracts partially or completely the condition of the catch force.
• the acceleration unit may cause the force state on the basis of mechanically generated forces or magnetic forces.
• the acceleration unit may cause the accelerating force state by previously deforming an at least partially elastically deformed body.
• the deformation of the elastic body can be caused by a movement of the translator.
• the deformation of the elastic body during a movement of the translator at least partially to the stator before the occurrence of the capture effect and / or before reaching the translator of a region sufficiently close to the stator, in which the capture effect occurs below, are caused.
• An embodiment of the magnetic device according to the invention may be characterized in that the acceleration unit is coupled to the translator via the entire translator movement path.
• the acceleration unit can be pretensioned as a function of a distance of the translator from the stator when the translator approaches the stator and / or the acceleration unit can cause the acceleration force state as a function of the distance of the translator from the stator.
• the magnetic device according to the invention disclosed herein is not limited to the positioning of the acceleration unit in a region between stator and translator.
• the positioning of the acceleration unit in this very area represents only one possibility of the positioning of the acceleration unit according to the invention.
• the acceleration unit can furthermore be arranged laterally to the translator movement path, extending at an arbitrary angle to the translator movement path.
• the spring may also be formed integrally with a bearing element, which fulfills the function of supporting the translator sliding on a translator axis.
• the spring may be formed as a leaf spring or as a spiral spring.
• the bearing element may comprise an elastic material, which elastic material is deformed during operation of the magnetic device according to the invention.
• the force acting on a translator is a sum of the stators and translators acting in this area as a function of the distance between the respective stator and the respective translator.
• the catching force acting between the stator and the translator moving away from the stator upon occurrence of the above-described catching effect behaves analogously with a corresponding design of the spring.
• the invention disclosed here may be distinguished by the fact that the acceleration unit causes the acceleration force state as a function of the temporary distance between the translator and the stator.
• the above characteristic of the acceleration unit can be achieved, for example, due to a different geometric configuration of the spring over the spring length or due to different over the spring length material properties of the spring.
• an elastically deformable body is to be formed.
• the following embodiment of the magnetic device according to the invention may prove to be advantageous when the acceleration unit is biased as a function of the translator approaching the stator.
• bias in the discussion of this invention, similar to biasing a spring, a state will be described in which the acceleration unit stores a force or distortion applied to the acceleration unit for delivery at a later time. According to the invention, the subsequent delivery of the applied force or distortion to release the trapped on the stator translator.
• a possible embodiment of the magnetic device according to the invention may be characterized in that the acceleration unit is coupled to the translator and a fixed point and extends at least partially between the translator and the fixed point.
• the fixed point may be an object lying outside the device according to the invention.
• the fixed point may further be a device part such as a machine frame or a housing part.
• the fixed point may be immovable or displaceable relative to the stator.
• the stator can be designed as a fixed point.
• the acceleration unit may be another magnet, which is coupled to the translator and is switched on to accelerate the translator.
• the further magnet may be a permanent magnet and / or an electromagnet.
• the acceleration unit may further comprise a drive, so that when coupling the drive with the translator, the force state according to the core of this invention can be used.
• the drive can be for example an electric motor and / or a pneumatic device or hydraulic device according to the prior art.
• the acceleration unit can be designed as a spring, which spring has a spring force component acting parallel to the translator movement direction.
• the spring force component thus acts counter to the forces caused by the catching effect.
• the spring is biased by the movement of the translator toward the stator, wherein the delivery of the force stored in the spring occurs during movement of the translator away from the stator.
• a beam of translator trajectory may pass through the stator.
• the possible embodiments of the magnetic device according to the invention include all possible combinations of electromagnets and permanent magnets, in particular the formation of the stator and the translator as a permanent magnet or as an electromagnet.
• the stator and the translator may be formed as permanent magnets.
• the stator may be formed as a permanent magnet and the translator as an electromagnet.
• the stator may be designed as an electromagnet and the translator as an electromagnet.
• the electromagnets and / or the permanent magnets are poled according to the general knowledge so that a motion or a defined position of the translator relative to the stator can be effected by the evoked repulsive forces or forces of attraction.
• stator and / or the translator When forming the stator and / or the translator as an electromagnet, the stator and / or the translator can act as a further magnet. This can be achieved by changing the magnetic field of the stator and / or the translator over a defined period of time. The defined period of time can be selected depending on the position of the moving translator.
• the magnetic device according to the invention may comprise a control device for controlling the polarity of the electromagnet and the control of the strength of the electromagnet in dependence on the acceleration force state.
• Figures 1 to 16 relate to a magnetic device comprising a stator and a translator.
• Figures 17 to 28 relate to a magnetic device comprising a stator and two translators. Further, counteracting forces such as frictional forces or air resistance forces in the following discussion of a movement of the translator are not taken into consideration for the sake of simplification to be carried out by the person skilled in the art in relation to the conventional teaching.
• the electromagnet comprises a cylindrical ferromagnetic core, around which also extends in cylindrical form a coil.
• uniform magnetization of the ferromagnetic core is assumed when an external magnetic field H coil (J) [A / m] is used, so that the following relationship holds:
• M ⁇ EM (0) ⁇ ⁇ X Hi (0) e ⁇ v ie x _
• V .v. V ./. M EU ⁇ x, j) M EM ⁇ x, j) e x , M EM ⁇ x, j)> 0
• V x, VJ, M EM ⁇ x, j) M EM ⁇ x, j) i x , M EM ⁇ x, l) ⁇ 0
• Figure 1 illustrates the case of an attraction interaction between the permanent magnet (first dipole 1) and the electromagnet (second dipole 2).
• the electromagnet is energized with no electricity.
• the core is magnetized in a decency x by the magnetic field and is thus attracted to the permanent magnet.
• Figure 2 illustrates the case of an attraction interaction between the permanent magnet (first dipole 1) and the electromagnet (second dipole 2) which has been subjected to a "positive" current sink.
• a "positive" current density bias is thus to be understood in that the direction of the magnetic field of the coil and the magnetic field are the same.
• the magnetic field of the coil and the core result in a higher magnetization of the core, whereby the attraction force is generally larger, with greater current density larger.
• Figure 4 shows the case of a repulsive interaction between the permanent magnet 1 and the electromagnet 2 when subjected to a "negative" current density, so that H coil (J) ⁇ - Hi (x) or / ⁇ J 1 holds. A repulsive interaction then occurs. when the magnetic field strength of the electromagnet is greater in magnitude than the magnetic field strength and oriented in an opposite direction.
• Figure 5 shows the case of the compensation of the magnetic field of the permanent magnet 1 by a magnetic field created by the coil.
• the special case is characterized by the fact that no magnetization of the core of the electromagnet and, as a result, no interaction force arising from interactions occur. The opposing polarities of the electromagnet cancel each other.
• FIG. 6 shows the result of an FEM simulation. They are the magnetic field strengths (in Figure 5 ⁇ ⁇ B [mT] j u nc
• the permanent magnet 1 magnetizes the core of the electromagnet 2, resulting in an attraction interaction force, which attraction interaction force is inversely proportional to the distance x. The larger the distance, the smaller the attraction interaction force.
• FIG. 7 shows a graph of the result of the FEM simulation shown in FIG.
• the abscissa represents the distance x, the ordinate indicates the force.
• Electromagnet 2 are polarized the same direction, so that a larger attraction interaction force acts.
• FIG. 9 shows, analogously to FIG. 7, a graph relating to the development of the interaction force as a function of a spacing of the permanent magnet and the electromagnet with an additional imposition ].
• FIG. 9 thus shows FIG.
• FIG. 11 shows the associated graph.
• the dashed line shows the course when no loading of the electromagnet.
• Figure 10 and Figure 11 also relate to the operation of an embodiment of a magnetic device according to the invention.
• FIG. 12 shows the effect of the application of the electromagnet with a current density J coil ⁇ 0 [A / mm 2 ]. It is again on the abscissa, the distance between the permanent magnet and electromagnet, plotted on the ordinate, the force acting between the permanent magnet and the electromagnet. From the diagram of FIG. 12, the person skilled in the art recognizes that the production of a state of the magnetic device, which is characterized primarily by a repulsive force, causes the electromagnet 2 to be acted on.
• the interaction force is an attraction interaction force.
• the translator is trapped on the stator.
• Electromagnet The equilibrium point is defined by H coil (j) - H l (x (; q ) ⁇
• FIG. 13 shows the case of a charging of the electromagnet with a current density ⁇ 0 [A / mm] j nnerna
• FIG. 14 the development of the force acting between the permanent magnet and the electromagnet when the electromagnet is acted on is also shown
• Field force profile r ⁇ a ⁇ - ⁇ e mm ⁇ is asymmetric at constant electrical energy.
• the interaction attraction is higher in magnitude than the repulsive interaction force. It follows that the minimum distance e reduces the maximum activatable attractive force.
• the equilibrium point, as it were at the boundary point of the capture area, is defined by
• a mechanical acceleration unit may be advantageous which has a similar effect with respect to the force state acting on the translator, such as the loading of the coil discussed above with an additional current density.
• the force state as the sum of the force acting on the translator attraction and the acceleration force state should be zero when using the device according to the invention at any position.
• the force state F T OT ( X , J) acting on the translator located in a position x by applying a current density to the coil / is expressed by the following expression: V .v> ().
• F ⁇ (x, j) F (x, j) + F ⁇ (X),.
• Acceleration unit activated accelerating force state comprising the
• Correction force F corr (x) and P (x, j) is the interaction force acting between stator and
• V. V> 0. ⁇ or (x, 0) 0
• V ./. F " TOT ⁇ x, j) ⁇ F ⁇ x, j) ⁇ -F ⁇ xfi)) e x
• FIG. 15 shows the course of the attraction interaction force acting on the translator and the progression of the correction force as a function of a spacing of the translator on the x-axis from the stator.
• the course of the graphs of FIG. 15 is essentially mirror-inverted about the x-axis.
• Figure 17 shows a basic arrangement of two stators and a translator along an axis which corresponds to the axis of movement of the translator.
• a magnet device with a stator and two translators There are the stator 1 electromagnet comprising a core and a coil, the translators 2, 2 'formed as a permanent magnet.
• the distance between the surface of the first translator 2 facing the stator 1 and the surface of the stator 1 facing the first translator 2 is indicated by x, while x 'is the distance between the surface of the second translator 2 facing the stator 1 and the second translator 2 'facing surface of the stator 1, ⁇ denotes the distance between the core of the first translator 2 and the core of the second translator 2', where d is the length of the Translatorschulsbahn 3, so that:
• V xe [0, rf], Vx ' ( [0, d], b Cte x & [0, d]
• the core of the electromagnet as part of the stator 1 is magnetized by three magnetic fields, namely by the magnetic field created by the first translator 2, which first translator 2 is at a distance x from the stator.
• the second magnetic field of the second translator 2 'at a distance x to the stator 1 can by
• M EM ⁇ x X v ⁇ M ⁇ x M ⁇ d - x) + H coil ⁇ j) ⁇ x where f (x) is one to the distance
• F EM (x, j) F 1 (x, j) + F 2 (x, j) gj
• the first translator 2 and the stator 1 are polarized in the same direction in Fig. 17, so that the interaction force is an attractive force and F i ⁇ X> J)> Q.
• This applies in the case of ⁇ J)> ⁇ M ⁇ x) un ter compliance RNAx ⁇ j ⁇ d ⁇ x)) ⁇ with //, (./)> - ⁇ / ,.
• a left-to-right motion is achieved when Vjce
• the capture effect occurs when M ⁇ H , .. ,: , [J)> - M v
• the stator 1 is trapped by the magnetic field of the second translator 2 'or vice versa.
• the catch problem occurs if M ⁇ ⁇ -tl coi i ⁇ J) ⁇ 2 ⁇ M is such that the stator 1 is caught by the magnetic field of the first Translators. 2
• FIG. 18 to FIG. 24 show the result of a simulation by means of FEM.
• the simulation is based on the following assumptions:
• the stator 1 is considered to be an electromagnet having a ferromagnetic core made of soft metal and having a diameter of 30.0 mm and a length of 30.0 mm (cylindrical shape).
• the coil is characterized by a current density and a body of copper
• the translators 2, 2 ' are assumed to be permanent magnets in cylindrical form having a radium of 30.0 mm and a length of 30.0 mm, the permanent magnets having a magnetization in the direction of the axis of the cylinder. It will be a
• the translators 2, 2 ' can move freely along the linear translator path 3, which is also the system axis.
• the relative position of the translators 2, 2 ' is given by the variable x ⁇ [0, d] [mm]
• Figure 18 to Figure 24 is the interaction force for a position of the translators [mm] u nc
• Figure 18 shows the case of loading the electromagnet with for a range of the position of the translator x £ [0, d].
• FIG. 19 shows the development of the interaction force when acting on the
• the application of the stator leads to a positive magnetization of this.
• the stator and the first traulator are subject to one
• FIG. 20 shows the development of the interaction force when the stator is loaded with J coil e [-10.0] [A / mm 2 ] as a function of the position of the stator in a range
• the condition for a repulsive interaction force between the stator and the first translator is not met when the stator is near the first translator.
• Fig. 21 compares the case of loading of the electromagnet-shaped stator 1 with J co
• Range e [0.73] [mm] _ I n the range (hereinafter referred to as "capture range") in which the condition is not satisfied and in which the catching effect occurs, the effect I nter pressskraft against a desired movement of the translators 2, 2 '.
• the end point of the capture region is defined by the equilibrium point Xe i.
• the capture region substantially corresponds to that position of the stator in which the magnetic field of the stator does not equalize the magnetic field of the closer translator of the translators 2, 2 '.
• FIGS. 22 to 24 relate to the use of an acceleration unit.
• the second characteristic of the acceleration unit was the presence of a state of equilibrium, which should be present when the electromagnet is not operating: TOT ' Corr ' J.
• the acceleration force state caused by the acceleration unit comprising F corr , substantially coincides with the catch force state, which according to the invention is to be superposed by the acceleration force state in at least partial regions.
• the acceleration force state in particular the course of this can be derived by measurements, if necessary, during a non-operation of the electromagnet.
• Figure 22 compares the history of the acceleration force condition providing to F Corr (x) - F (x, 0) z us is harmlich the I ntersureskraft registered as a broken line for the case that the designed as an electric drive stator is not active.
• FIG. 23 shows the profile of F T O T (X > J) when using an acceleration unit and when the stator is subjected to a "positive” or “negative” current density cou ⁇ - 10 [A / mm 2 ] a
• the range 0.73] [mm] is considered.
• the course of F T O T ⁇ X > J) is given when the stator is not loaded.
• the force curve shown in FIG. 23 is based on the simplification that the first translator and the second translator have the same magnetization. It results
• the force state shown in FIG. 23 when using an acceleration unit has the following characteristics:
• the aforementioned equilibrium position eq 2 becomes the symmetry point of the course of the corrected interaction force F T O T ⁇ X > J ) _
• the profile of the course of the corrected interaction power is U-shaped.
• Figure 24 shows the course of the corrected interaction force F T O T ⁇ X > J) b e j different loading of the electromagnet with J cou G l ⁇ 1 () ⁇ [AI mm 2 ⁇ jn dependence of the relative position of the translator for a range e [°, 73] [mm]
• FIG. 25 to 27 deal with a special embodiment of the acceleration unit, namely in the form of a spring. The operation of the spring will be discussed in terms of the characteristics of the acceleration unit described above.
• the correction force taking into account the mechanical properties of a spring, can be expressed as a sum of two spring forces:
• Figure 25 shows the course of xG ° i> d ⁇ > F Co x) F ⁇ l ⁇ x) + F 2 ⁇ x) _ It gj this Vxe [0, rf], j (x)> 0 mm i he causes a "positive” force and ⁇ € [" ⁇ ⁇ / ] ⁇ always causing a "negative” force
• the first spring force F 1 acts exclusively in
• the first spring force and the second spring force can be specified as follows.
• the first spring force and the second spring force are equal in magnitude and act in different directions.
• F 2 (x) -F 1 (d-x)
• Figure 26 shows a possible embodiment of the magnetic device according to the invention when using springs 7, 7 'as an acceleration unit 5, 5'.
• the first spring 7 extends between the stator 1 and the first translator 2 in each case acting on the facing surfaces.
• the first spring 7 counteracts a catching effect between the stator 1 and the first translator 2.
• the bias of the first spring 7 is effected in response to an approach of the first translator 2 to the stator 1.
• the stator 1 acts as a fixed point 6 for the first spring 7.
• the first spring force F 1 in response to a spacing of the first translator 2 from the stator 1 as a "positive" force delivered.
• the second spring 7 ' acts analogous to the first spring 7.
• the second spring 7' between the stator 1 and the second translator 2 ' is arranged.
• the stator 1 acts as a fixed point 6 for the second spring 7 '.
• a spring force is proportional to the change in length of the spring.
• F -kSx, where k [N / m] represents the spring constant.

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Power Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Reciprocating, Oscillating Or Vibrating Motors (AREA)
• Electromagnets (AREA)
• Linear Motors (AREA)
• Magnetic Bearings And Hydrostatic Bearings (AREA)

Priority Applications (7)

Applications Claiming Priority (2)

Publications (2)

Family

ID=50424172

Family Applications (1)

Country Status (11)

Cited By (1)

Families Citing this family (4)

Family Cites Families (15)

• 2012
  • 2012-12-21 AT ATA1334/2012A patent/AT513617B1/de not_active IP Right Cessation
• 2013
  • 2013-12-20 TW TW102147676A patent/TWI629855B/zh active
  • 2013-12-23 US US14/654,677 patent/US9812938B2/en active Active
  • 2013-12-23 WO PCT/EP2013/077888 patent/WO2014096444A2/de not_active Ceased
  • 2013-12-23 ES ES13843061T patent/ES2725899T3/es active Active
  • 2013-12-23 EA EA201591159A patent/EA029963B1/ru not_active IP Right Cessation
  • 2013-12-23 CN CN201380073516.2A patent/CN105379084B/zh active Active
  • 2013-12-23 JP JP2015548672A patent/JP7033385B2/ja active Active
  • 2013-12-23 BR BR112015015004-7A patent/BR112015015004B1/pt active IP Right Grant
  • 2013-12-23 EP EP13843061.6A patent/EP2936665B1/de active Active
  • 2013-12-23 TR TR2019/06706T patent/TR201906706T4/tr unknown

Also Published As

Similar Documents

Legal Events