WO2020136489A1 - Moteur di-électrique et son procédé de fonctionnement - Google Patents

Moteur di-électrique et son procédé de fonctionnement Download PDF

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Publication number
WO2020136489A1
WO2020136489A1 PCT/IB2019/060805 IB2019060805W WO2020136489A1 WO 2020136489 A1 WO2020136489 A1 WO 2020136489A1 IB 2019060805 W IB2019060805 W IB 2019060805W WO 2020136489 A1 WO2020136489 A1 WO 2020136489A1
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WO
WIPO (PCT)
Prior art keywords
plates
electric motor
electric
energy source
sequentially
Prior art date
Application number
PCT/IB2019/060805
Other languages
English (en)
Inventor
Nithin KRISHNA K B
Original Assignee
Krishna K B Nithin
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 Krishna K B Nithin filed Critical Krishna K B Nithin
Publication of WO2020136489A1 publication Critical patent/WO2020136489A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
    • H02N1/002—Electrostatic motors
    • H02N1/004—Electrostatic motors in which a body is moved along a path due to interaction with an electric field travelling along the path

Definitions

  • Embodiments of the present disclosure relate to electric motor, and more particularly to a di-electric motor and a method to operate the same.
  • Electric motor is a machine used to convert electrical energy into mechanical energy.
  • Many types of electric motor have been designed and fabricated in order to be used in mechanical application.
  • One such type includes a conventional electric motor which uses set of induction coils and a permanent magnet in order to induce electromagnetic force upon being supplied by electric power, wherein the electromagnetic force is used to produce torque in order to generate mechanical energy.
  • the usage of the induction coils and the permanent magnet makes the conventional electric motor bulky.
  • amount of mechanical energy required depends on the induced electromagnetic force and hence depends on size and windings of the induced coil, such bulkiness of the electric motor results in higher power consumption rate and henceforth expensive.
  • due to the bulkiness of the conventional electric motor application of it is restricted to larger available spaces, henceforth such conventional electric motor is not conveniently used in miniature applications.
  • a newer electric motor works on electrostatic principle.
  • Such newer motor often referred to as electrostatic motor is a type of electric motor whose principle is based on attraction or repulsion of electric charges.
  • a plurality of capacitor plates is coupled to a rotor of an electric motor and a dielectric material is coupled to a stator of the electric motor.
  • the plurality of capacitor plates and the dielectric material are enabled by an external power source.
  • consumption of power by the plurality of capacitor plates is huge as size of the capacitor plates is huge, thereby making the newer electric motor bulky and expensive.
  • a di-electric motor in accordance with one embodiment of the disclosure, includes a plurality of first plates electrically coupled to a first end of an energy source. Each of the plurality of first plates is fabricated in a pre defined shape. Further each of the plurality of first plates is mechanically coupled to at least two adjacent plates of the plurality of first plates.
  • the di-electric motor also includes a plurality of second plates electrically coupled to a second end of the energy source. Each of the plurality of second plates is fabricated in the pre-defined shape. Further, each of the plurality of second plates is mechanically coupled to at least two adjacent plates of the plurality of second plates. The plurality of first plates and the plurality of second plates are separated by pre-defined distance.
  • the di-electric motor also includes at least one di-electric plate operatively coupled to a shaft.
  • the at least one di-electric plate is positioned in-between at least one of the plurality of first plates and at least one of the corresponding plurality of second plates.
  • the at least one di electric plate is configured to rotate sequentially across each of the plurality of first plates and each of the corresponding plurality of second plates upon being influence by polarised electric field produced by the plurality of first plates and the plurality of second plates upon suppling energy by the energy source to generate mechanical energy.
  • a method for operating a di-electric motor comprising includes polarising sequentially at least one of a plurality of first plates upon coupling the plurality of first plates to a first end of an energy source.
  • the method also includes polarising sequentially at least one of a plurality of second plates upon coupling the plurality of second plates to a second end of the energy source.
  • the method also includes generating polarised electric field across the plurality of first plates and the plurality of second plates.
  • the method also includes sequentially rotating at least one di-electric plate across each of the plurality of first plates and each of the corresponding plurality of second plates upon being influenced by polarised electric field for generating rotational energy.
  • the method also includes rotating a shaft upon sequentially rotating the at least one di-electric plate across each of the plurality of first plates and each of the corresponding plurality of second plates.
  • FIG. la and FIG. lb are schematic representations of a side view of a di-electric motor in accordance with an embodiment of the present disclosure
  • FIG. 2a and FIG. 2b are schematic representations of a cross sectional view of an exemplary embodiment of a plurality of first plates and a plurality of second plates of FIG. la and FIG. lb in accordance with an embodiment of the present disclosure
  • FIG. 3 is a schematic representations of a cross sectional view of an exemplary embodiment of at least one di-electric plate of FIG. la and FIG. lb in accordance with an embodiment of the present disclosure
  • FIG. 4a, FIG. 4b and FIG. 4c are schematic representations of cross sectional views of an exemplary embodiment of sequential rotation of the at least one di-electric plate of FIG. la and FIG. lb in accordance with an embodiment of the present disclosure.
  • FIG. 5 is a flow chart representing steps involved in a method for operating a di electric motor in accordance with an embodiment of the present disclosure.
  • elements in the figures are illustrated for simplicity and may not have necessarily been drawn to scale.
  • one or more components of the device may have been represented in the figures by conventional symbols, and the figures may show only those specific details that are pertinent to understanding the embodiments of the present disclosure so as not to obscure the figures with details that will be readily apparent to those skilled in the art having the benefit of the description herein.
  • Embodiments of the present disclosure relate to a di-electric motor and a method to operate the same.
  • the di-electric motor includes a plurality of first plates electrically coupled to a first end of an energy source. Each of the plurality of first plates is fabricated in a pre-defined shape. Further each of the plurality of first plates is mechanically coupled to at least two adjacent plates of the plurality of first plates.
  • the di-electric motor also includes a plurality of second plates electrically coupled to a second end of the energy source. Each of the plurality of second plates is fabricated in the pre-defined shape. Further, each of the plurality of second plates is mechanically coupled to at least two adjacent plates of the plurality of second plates. The plurality of first plates and the plurality of second plates are separated by pre-defined distance.
  • the di-electric motor also includes at least one di-electric plate operatively coupled to a shaft.
  • the at least one di-electric plate is positioned in-between at least one of the plurality of first plates and at least one of the corresponding plurality of second plates.
  • the at least one di-electric plate is configured to rotate sequentially across each of the plurality of first plates and each of the corresponding plurality of second plates upon being influence by polarised electric field produced by the plurality of first plates and the plurality of second plates upon suppling energy by the energy source to generate mechanical energy.
  • FIG. la and FIG. lb are schematic representations of a di-electric motor (10) in accordance with an embodiment of the present disclosure.
  • the term “micro di-electric motor” is defined as a type of electric motor which works with an intervention of di-electric material.
  • di-electric material is defined as an electrical insulator which can be polarised by an applied electric field.
  • the di-electric motor (10) includes a plurality of first plates (20) as shown in FIG. 2a, electrically coupled to a first end of an energy source (not shown in FIG. la and FIG. lb).
  • the plurality of first plates (20) may correspond to a plurality of first capacitor plates.
  • the plurality of first plates (20) may be composed of metal.
  • the energy source may be a direct current (DC) power source and a direct current (DC) in a square waveform.
  • the power source may be configured to charge the plurality of first plates to a first polarisation value.
  • each of the plurality of first plates (20) is fabricated in a pre-defined shape.
  • each of the plurality of first plates (20) may be shaped in a form of a pie which an are at both ends. More specifically, each of the plurality of first plates (20) comprises a first edge (not shown in FIG. la and FIG. lb) and a second edge (not shown in FIG. la and FIG. lb), wherein an anterior end of the first edge and the second edge is coupled with a first curved edge and a posterior end of the first edge and the second edge is coupled with a second curved edge to emerge the pre-defined shape. Furthermore, each of the plurality of first plates (20) is mechanically coupled to at least two adjacent plates of the plurality of first plates (20).
  • each of the plurality of first plates (20) may be coupled to the at least two adjacent plates of the plurality of first plates (20) in order to generate a disk shape of the plurality of the first plates (20). More specifically, the plurality of first plates (20) may correspond to a first disk shaped capacitor plate.
  • the di-electric motor (10) includes a plurality of second plates (30) as shown in FIG. 2b, electrically coupled to a second end of the energy source.
  • the plurality of second plates (30) may correspond to a plurality of second capacitor plates.
  • the plurality of second plates (30) may be composed of metal.
  • the power source may be configured to charge the plurality of second plates (30) to a second polarisation value.
  • each of the plurality of second plates (30) is fabricated in the pre-defined shape.
  • each of the plurality of first plates (20) and each of the plurality of second plates (30) may be fabricated of the same pre-defined shape.
  • each of the plurality of second plates (30) is mechanically coupled to at least two adjacent plates of the plurality of second plates (30).
  • each of the plurality of second plates (30) may be coupled to the at least two adjacent plates of the plurality of second plates (30) in order to generate the disk shape of the plurality of the second plates (30).
  • the plurality of second plates (30) may correspond to a second disk shaped capacitor plate.
  • the plurality of first plates (20) and the plurality of second plates (30) are separated by pre-defined distance.
  • the plurality of first plates (20) is juxtapose to the plurality of second plates (30).
  • each of the plurality of first plates (20) may be separated by one of air and an insulating material.
  • each of the plurality of second plates (30) may be separated by one of air and an insulating material.
  • the di-electric motor (10) also includes at least one di-electric plate (40) operatively coupled to a shaft (50) as shown in FIG. 3.
  • the at least one di-electric plate (40) is positioned in-between at least one of the plurality of first plates (20) and at least one of the corresponding plurality of second plates (30).
  • the at least one di-electric plate (40) may be a plate composed of the di-electric material.
  • the at least one di-electric plate (40) may be one of a plate, a membrane, a slab and the like which may be sprayed or coupled by the di electric material.
  • the di-electric material may be in a form of liquid.
  • the at least one di-electric plate may be composed of one of Barium Titanate, Strontium Titanate, lead zirconate ceramics, some high dielectric constant conjugated polymer materials and the like.
  • At least one of the plurality of first plates (20) and at least one of the corresponding plurality of second plates (30) are polarised sequentially by the energy source.
  • at least two of the plurality of first plates (20) and at least two of the corresponding plurality of second plates (30) may be polarised sequentially by the energy source.
  • at least two of the plurality of first plates (20) may be placed diagonally to each other on the first disk shaped capacitor plate and at least two of the plurality of second plates (30) may be placed diagonally to each other on the second disk shaped capacitor plate.
  • at least two of the plurality of first plates (20) may be charged to the first polarisation value by the energy source and at least two of the plurality of second plates (30) may be charged to the second polarisation value by the energy source.
  • the polarised electric field may create an effect on the at least one di-electric plate (40) positioned in-between at least one of the plurality of first plates (20) and at least one of the corresponding plurality of second plates (30).
  • the effect created by the polarised electric field may be of attraction or repulsion of electric charges associated with the at least one di-electric plate (40) to create a torque in a rotor of the micro di-electric motor (10).
  • the at least one di-electric plate (40) is configured to rotate sequentially across each of the plurality of first plates (20) and each of the corresponding plurality of second plates (30) upon being influenced by the polarised electric field produced by the corresponding plurality of first plates (20) and the corresponding plurality of second plates (30) upon suppling energy by the energy source to generate mechanical energy.
  • the plurality of first plates (20) and the plurality of second plates (30) may be operatively coupled to a stator (not shown in FIG. la and FIG. lb) of the di-electric motor (20).
  • the at least one di-electric plate (40) may be operatively coupled to a rotor (not shown in FIG. la and FIG. lb) of the di-electric motor (10).
  • the polarisation and the depolarisation may be enabled through one of an electronic conducting means and an electronic circuit.
  • the plurality of first plates (20) and the plurality of second plates (30) may be connected to the energy source vie at least two commutator rings which may be mechanically coupled to the rotor, and configured to provide an electrical contact between the energy source and the corresponding at least one of the plurality of first plates (20) and at least one of the corresponding plurality of second plates (30) to enable the polarisation.
  • the di-electric motor may also include a neutral ring which may be mechanically coupled to the shaft (50), and may be configured to enable depolarisation of the corresponding at least one of the plurality of first plates (20) and at least one of the plurality of second plates (30) sequentially.
  • depolarisation of the plurality of first plates (20) and the corresponding plurality of second plates (30) may be depolarised through a metal contact.
  • the depolarisation of the plurality of first plates (20) and the corresponding plurality of second plates (30) may be depolarised via contact of the energy source.
  • the energy source may supply the DC power source in the form of the square wave.
  • the plurality of first plates (20) and the corresponding plurality of second plates (30) may get polarised when a status of the square wave may be high and also, the plurality of first plates (20) and the corresponding plurality of second plates (30) may get depolarised when the status of the square wave is low.
  • the di-electric motor (10) may be of a size of one of micro meter and a nano meter.
  • the operation of the di-electric motor (10) may be controlled by a control circuit which may be electrically coupled to the di-electric motor (10).
  • the control circuit may be configured to operate the di-electric motor (10) by varying one of an amplitude and a frequency applied to the di-electric motor (10).
  • the control circuit may also control the direction of operation of the di-electric motor (10) by enabling a clock wise rotation or an anti-clock wise rotation.
  • the control circuit may also be configured to stop or start the operation of the di-electric motor (10) anytime as may be pre-set or as required by a user.
  • a first pair of the plurality of first plates (20a) is polarised to the first polarisation value by the energy source and a corresponding first pair of the plurality of second plates (30) is polarised to the second polarisation value by the energy source. Consequently, the polarised electric field is generated between the first pair of the plurality of first plates (20a) and the first pair of the plurality of second plates (30). Also, a pair of at least one di-electric plate (40a) is placed in between the plurality of first plates (20) and the plurality of second plates (30).
  • the pair of at least one di-electric plates (40) aligns between the first pair of the plurality of first plates (20a) and the first pair of the plurality of second plates (30). Further, a second pair of the plurality of first plates (20b) is polarised to the first polarisation value by the energy source and a corresponding second pair of the plurality of second plates (30) is polarised to the second polarisation value by the energy source.
  • the first pair of the plurality of first plates (20a) and the first pair of the plurality of second plates (30) are depolarised through a metal contact. Further, due to the polarised electric field generated by the second pair of the plurality of first plates (20b) and the second pair of the plurality of second plates (30), the pair of the at least one di-electric plate (40) shifts from a position between the first pair of the plurality of first plates (20a) and the first pair of the plurality of second plates (30) to the second pair of the plurality of first plates (20b) and the second pair of the plurality of second plates (30).
  • the second pair of the plurality of first plates (20b) and the second pair of the plurality of second plates (30) are depolarised through the metal contact and simultaneously a third pair of the plurality of the first plates (20c) and a third pair of the plurality of second plates (30) is polarised to the first polarisation value and the second polarisation value respectively.
  • the pair of the at least one di-electric plate (40) shifts from the position between the second pair of the plurality of first plates (20b) and the second pair of the plurality of second plates (30) to the third pair of the plurality of first plates (20c) and the third pair of the plurality of second plates (30).
  • the procedure is repeated among a plurality of pairs of plates of the plurality of first plates (20) and the corresponding plurality of second plates (30), henceforth a continuous rotational force is generated by the pair of the at least one of di-electric plate (40) thereby generating mechanical energy from the electrical energy.
  • FIG. 5 is a flow chart representing steps involved in a method (60) for operating a di electric motor in accordance with an embodiment of the present disclosure.
  • the method (60) includes polarising sequentially at least one of a plurality of first plates upon coupling the plurality of first plates to a first end of an energy source in step 70.
  • polarising at least one of the plurality of first plates may include polarising at least one of the plurality of plates to a first polarising value.
  • polarising at least one of the plurality of first plates by one of a direct current (DC) power supply and a direct current power supply in a form of a square wave.
  • DC direct current
  • the method (60) also includes polarising sequentially at least one of a plurality of second plates upon coupling the plurality of second plates to a second end of the energy source in step 80.
  • polarising at least one of the plurality of second plates may include polarising at least one of the plurality of plates to a second polarisation value.
  • polarising at least one of the plurality of second plates may include polarising at least one of the plurality of second plates by one of the DC power source and the DC power source in the form of the square wave.
  • the method (60) includes generating polarised electric field across the plurality of first plates and the plurality of second plates in step 90.
  • the method (60) also includes sequentially rotating at least one di-electric plate across each of the plurality of first plates and each of the corresponding plurality of second plates upon being influenced by polarised electric field for generating rotational energy in step 100.
  • sequentially rotating the at least one di-electric plate may include rotating the at least one di-electric plate across at least one of the plurality of first plates and at least one of the corresponding plurality of second plates based on the first polarisation value and the second polarisation value.
  • the method (60) may include polarising a first pair of plates of the plurality of first plates to the first polarisation value and simultaneously polarising a first pair of the plurality of second plates to the second polarisation value. Further, the method (60) may include aligning the at least one di-electric plate between the first pair of plates of the plurality of first plates and the first pair of the plurality of second plates.
  • the method (60) also includes depolarising the first pair of the plurality of first plates and the first pair of the plurality of second plates. Simultaneously polarising a second pair of the plurality of first pair of plates and a second pair of the plurality of second plates.
  • the method (60) may further include shifting the alignment of the at least one di-electric plate from the first pair of the of the plurality of first plates and the first pair of the plurality of second plates to a position between a second pair of the plurality of first plates and a second pair of the corresponding plurality of second plates.
  • the method (60) includes rotating a shaft upon sequentially rotating the at least one di-electric plate across each of the plurality of first plates and each of the corresponding plurality of second plates in step 110.
  • rotating the shaft may include rotating the shaft upon sequentially rotating the at least one di electric plate based on the first polarisation value and the second polarisation value generated across at least one of the plurality of first plates and at least one of the corresponding plurality of second plates.
  • Various embodiments of the present disclosure reduces the size of the di-electric motor. Further due to the reduced size of the di-electric motor, usage of energy to enable the operation of the motor is also reduced which makes the system cost effective as the manufacturing cost is linearly reduced in comparison to the conventional winding motors. Also, the di-electric motor can operate in relatively low voltage as compared to the conventional electrostatic motors with more power to weight ratio.

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Abstract

La présente invention concerne un moteur di-électrique et son procédé de fonctionnement. Le moteur di-électrique comprend une pluralité de premières plaques, chaque plaque de la pluralité de premières plaques étant accouplée mécaniquement à au moins deux plaques adjacentes de la pluralité de premières plaques, une pluralité de secondes plaques, chaque plaque de la pluralité de secondes plaques étant accouplée mécaniquement à au moins deux plaques adjacentes de la pluralité de secondes plaques, au moins une plaque di-électrique couplée de manière fonctionnelle à un arbre, et positionné entre au moins une plaque de la pluralité de premières plaques et au moins une plaque de la pluralité correspondante de secondes plaques, et est configuré pour tourner séquentiellement à travers chaque plaque de la pluralité de premières plaques et chaque plaque de la pluralité correspondante de secondes plaques lors de l'influence d'un champ électrique polarisé destiné à générer de l'énergie de rotation.
PCT/IB2019/060805 2018-12-28 2019-12-14 Moteur di-électrique et son procédé de fonctionnement WO2020136489A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201841049711 2018-12-28
IN201841049711 2018-12-28

Publications (1)

Publication Number Publication Date
WO2020136489A1 true WO2020136489A1 (fr) 2020-07-02

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130106317A1 (en) * 2011-10-31 2013-05-02 Daniel C. Ludois Varying Capacitance Rotating Electrical Machine
US9479085B1 (en) * 2012-09-15 2016-10-25 C-Motive Technologies Inc. Self-conforming plates for capacitive machines such as electrostatic motors and generators
EP2559146B1 (fr) * 2010-04-16 2017-11-22 Deregallera Holdings Ltd Appareil destiné à être utilisé comme moteur ou générateur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2559146B1 (fr) * 2010-04-16 2017-11-22 Deregallera Holdings Ltd Appareil destiné à être utilisé comme moteur ou générateur
US20130106317A1 (en) * 2011-10-31 2013-05-02 Daniel C. Ludois Varying Capacitance Rotating Electrical Machine
US9479085B1 (en) * 2012-09-15 2016-10-25 C-Motive Technologies Inc. Self-conforming plates for capacitive machines such as electrostatic motors and generators

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