WO1998033263A1 - Generateur de ca - Google Patents

Generateur de ca Download PDF

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Publication number
WO1998033263A1
WO1998033263A1 PCT/JP1998/000288 JP9800288W WO9833263A1 WO 1998033263 A1 WO1998033263 A1 WO 1998033263A1 JP 9800288 W JP9800288 W JP 9800288W WO 9833263 A1 WO9833263 A1 WO 9833263A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
mover
slots
alternator
rotor
Prior art date
Application number
PCT/JP1998/000288
Other languages
English (en)
Japanese (ja)
Inventor
Takahito Ohta
Original Assignee
Sohken Ohtex Kabushiki-Kaisha
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 Sohken Ohtex Kabushiki-Kaisha filed Critical Sohken Ohtex Kabushiki-Kaisha
Priority to AU55769/98A priority Critical patent/AU5576998A/en
Publication of WO1998033263A1 publication Critical patent/WO1998033263A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • 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
    • H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
    • H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems

Definitions

  • the present invention relates to an alternator in which the starting resistance of a generator mounted on a small boat such as a fishing boat is remarkably reduced, and the starting and stopping can be simply repeated.
  • Japanese Patent Application Laid-Open No. H11-23979 describes a conventional technology, for example, as shown in FIG.
  • a method and a device for starting a variable relaxation type AC servo motor This is provided by providing a non-permanent magnet salient pole rotor 64 rotatably inside the stator magnetic field through a gap, and exciting from an AC power supply.
  • the initial start-up method of the variable reluctance type AC servomotor in which the current is converted into a direct current to sequentially excite the multi-phase windings 66 of the stator 62 and rotate the salient pole port 64 by magnetic attraction.
  • a pulse voltage is sequentially applied to each of the phase windings 66 of the stator 62 for a short period of time to detect the current peak value of each of the phase stator windings 66 and detect the current.
  • the current peak values are stored in the storage means, and the stopped salient poles are stored based on the stored current peak values.
  • the phases of the salient pole rotors 64 with respect to the stator magnetic poles 6 2 a to 62 f are determined, and the stator excitation order for starting the rotor rotation is determined according to the determined rotor phases. It is a method for starting a variable reluctance type AC servomotor characterized by being determined, and a device for performing these means.
  • this type of technology is based on a main control unit composed of an unillustrated overnight control circuit and arithmetic means (computer), storage means (ROM, RAM), I / O (input / output means), and the like. Because the AZD converter that converts the digital control signal to the drive circuit into analog is required as a component, there is a drawback that the startup method and its device are complicated and diverse, and the cost is high.
  • the present invention is to provide an AC generator comprising simple means based on a novel idea, capable of performing a smooth start with little occurrence of reactance at the time of start, and not reducing the efficiency during normal operation. With the goal. Disclosure of the invention
  • the AC generator according to the present invention is an AC generator that generates an AC voltage by linking a rotating magnetic field generated by the rotation of its rotating shaft with a stator winding by a permanent magnet mounted on the outer peripheral surface of the rotor to generate an AC voltage.
  • the stator which faces the outer peripheral surface of the rotor via an air gap, the stator material is made of aluminum die-cast, and the power generation output is derived from the inner peripheral surface of a circular hole opened in the center.
  • a plurality of slots for winding and mounting the windings to be wound are provided.
  • a notch is made in the axial direction from the bottom of the plurality of slots to the outer peripheral surface of the stator, Equipped with a yoke formed of a surrounding magnetic body, the rotor is die-cast with aluminum on the outer peripheral surface of the rotating shaft, and a permanent magnet fixedly mounted on the outer peripheral surface of the rotor is provided with a slight gap.
  • the stator And it is configured to face the surface.
  • the AC generator according to the present invention in the AC generator according to the preceding paragraph, comprises substantially the same magnetic material on both the left and right sides in the axial direction of the stator yoke.
  • the axial width is about 0.55 to 0.75, which is about 0.55 to 0.75 of the axial length of the coil winding of the stator winding. ing.
  • the stator yoke is made of a animal.
  • the stator is made of a non-magnetic material such as reinforced plastic or duralumin.
  • the AC generator according to the present invention is the AC generator according to the first aspect, wherein one or two rotors are skewered and mounted on the rotating shaft, and one stator is split in half. It is installed at a position shifted by 180 degrees in mechanical angle, and the stator windings are connected in series to derive the power generation output.
  • the alternator according to the present invention is the alternator according to the first to second aspects, in which the stator is deployed in a linear plate with the yoke, and the rotor is connected to the winding side of the stator. ⁇ ⁇ which are developed in a straight plate shape facing each other with a slight gap ⁇
  • the stator is formed by die-casting a rectangular parallelepiped flat aluminum aluminum, the slots are opened in the width direction, and the power is generated at a uniform pitch in the length direction.
  • a plurality of the above-mentioned slots in which windings for deriving output are wound are provided, and notches are vertically cut from the bottoms of the plurality of slots to the outer surface of the stator.
  • the mover is formed in exactly the same member and shape as the stator, and an exciting current for generating electromagnetic induction in the mover winding is provided. Means, the surface of the slot of the mover faces the surface of the slot of the stator via a small gap, and the mover reciprocates right and left in the length direction. Support that allows exercise It has a mechanism.
  • only one of the stator and the mover is vertically notched from the bottom of the slot to the outer surface of the stator.
  • ⁇ It is configured to include a cut surface.
  • the stator is formed by die-casting a rectangular parallelepiped aluminum plate, the slots are opened in the width direction, and the pitch is uniform in the length direction.
  • a plurality of the slots for winding and mounting the windings for deriving the power generation output are provided, and notches are vertically cut from the bottoms of the plurality of slots to the outer surface of the stator.
  • It is made of die-cast rectangular aluminum plate, has an appropriate width in the width direction, and is provided with a plurality of permanent magnets at an equal pitch in the length direction.
  • the surface of the permanent magnet of the mover is There is provided a support mechanism which opposes the surface of the slot of the stator via a small gap, and enables the mover to reciprocate right and left in the length direction.
  • the stator is formed of a rectangular parallelepiped plate-shaped ferrite, the slots are opened in the width direction, and the power generation output is formed at a uniform pitch in the length direction.
  • the rotor is formed in exactly the same member and shape as the stator, and is provided with a means for applying an exciting current for generating electromagnetic induction to the mover winding, and the surface of the slot of the mover is fixed to the stator.
  • the movable member is provided with a support mechanism that faces the surface of the slot of the armature with a slight gap therebetween, and enables the movable armature to reciprocate right and left in the length direction.
  • the stator is a rectangular parallelepiped
  • a plurality of slots are formed, and the slots are formed in the width direction and the windings for winding out the power generation output are mounted at a uniform pitch in the length direction.
  • a stator outer frame plate made of plastic such as vinyl chloride or polyester is provided in contact with the bottoms of the plurality of slots.
  • the permanent magnets are fixed and the permanent magnets are equally arranged in the longitudinal direction, and the pole types of N pole or S pole are alternately arranged to be integrated to form a flat rectangular parallelepiped.
  • a magnet is opposed to the surface of the stator via a small gap, and a support mechanism is provided for allowing the mover to reciprocate right and left in the length direction.
  • the polarity arrangement of the permanent magnets forms a plurality of consecutive sets of N poles, N poles or S poles and S poles, The types are arranged alternately.
  • FIG. 1 is a view showing a configuration of a first embodiment corresponding to claims 1 and 3 of the present invention, wherein (a) is a front sectional view, (b) is a side view of a rotor, and FIG. FIG. 3 is a connection diagram of a stator winding according to the first embodiment, FIG. 3 is a front view of a rotor according to the first embodiment of the present invention, and FIG. 4 is a cross-sectional view of the entire power generating device according to the first embodiment of the present invention.
  • 5 is an overall cross-sectional view of the device according to Embodiment 2 of the present invention and a connection diagram of stator windings, and FIG.
  • FIG. 6 is another embodiment of the present invention in which circular band-shaped magnetic plates are provided at both left and right ends in the axial direction of the stator.
  • FIG. 7A is a side sectional view
  • FIG. 7B is a front view
  • FIG. 7 is a linear or generator that applies an exciting current to the electromagnetic induction source of the present invention.
  • (A) is a perspective view
  • (b) is a partially enlarged side sectional view
  • FIG. 8 is a view showing a linear generator that is an embodiment of FIG. 1 faithfully developed on a plane.
  • (A) is a perspective view
  • (b) is a partially enlarged side sectional Fig. 9 and Fig. 9 show one of the novel embodiments of the present invention.
  • FIG. 11 is an explanatory view of a conventional example, and (a) is a front sectional view thereof.
  • (B) is a schematic diagram showing a part of the positional relationship between the stator poles and the rotor salient poles.
  • stator (rotator) and rotor (rotor) materials of current generators are magnetic materials
  • the rotor rotates and starts power generation based on the action and reaction. Requires a larger motive power than the power generation output at the time of start-up operation.
  • aluminum (or duralumin) and magnets two round aluminum discs of about 20 cm are rotatably supported facing each other, and six permanent magnets of about 4 cm are mounted on one side, and the central angle is 60 It is obvious that if the disk is mounted radially and rotated, the other aluminum disk will start to rotate due to the generation of eddy current.
  • the present invention focuses on the eddy current as a key point and makes the eddy current close to zero, and focuses on the structure and material of an unprecedented generator. Therefore, the material of the stator of the present invention is made of aluminum.
  • the rotor is made of the same aluminum material, and permanent magnets (N, S) are installed and mounted. [Embodiment 1]
  • FIG. 1 is a diagram showing a configuration of a first embodiment corresponding to the present invention described in claims 1 and 3.
  • FIG. 1 is a diagram showing a configuration of Embodiment 1 of the present invention.
  • Fig. 1 (a) is a front sectional view of the generator (stator / rotor) cut away at right angles to the rotation axis, and
  • Fig. 1 (b) is a side view of the rotor.
  • 1 is a stator made by die-casting aluminum [Die-casting]
  • 3 is a slot for winding and inserting a stator winding [not shown]
  • 3 is first established by the present invention.
  • 4 is a normal plastic outer frame (yoke) that forms a magnetic material
  • 5 is a rotating shaft that rotates by instructing a rotor
  • 6 is an aluminum die casting. Consisting of a rotor,
  • 7 is a permanent magnet
  • 8 is a connecting means (screw) for connecting the stator 1 and the outer frame 4 o
  • a notch [cut surface] 2 is cut out from the bottom of the slot 3 toward the outer peripheral surface of the stator 1 with the stator 1 forming a die casting in the direction of the rotation axis.
  • the generation of eddy current in the circumferential direction of rotation is prevented by providing a gap having electrical resistance so as to interrupt the current in the notch 2.
  • a wooden mold is prepared from aluminum material, and the slot 3 in which the stator winding (coil) is to be formed is formed in the same shape as a normal generator.
  • the magnetic flux generated from the permanent magnet 7 of the rotor 6 interferes with the magnetic flux based on the eddy current that would occur in the ordinary stator 1 during rotation, especially at startup, which hinders the rotation of the rotor 6. The effect as reactance is lost.
  • stator 1 is a single aluminum object, As it is, an eddy current is generated in the stator 1 from the rotating magnetic field of the aluminum and the permanent magnet 7 of the rotor 6, and the coercive force of the rotor 6 causes the rotor 6 to rotate and start, which requires more energy than that. The engine cannot be rotated by the motive power during normal operation.
  • a cut surface is formed from the bottom of each slot 3 toward the outer peripheral surface of the stator 1. In this way, even a generator with a considerable capacity or one small finger can be used to start and rotate lightly from stop.
  • FIG. 2 shows a connection diagram of a stator winding applied to the first embodiment.
  • the connection of each winding in Fig. 2 is a double star connection. For example, if U 2 V,, V 2 and, W 2 are connected to each other and connected, the three-phase AC power generation voltage is generated from them. Derived. Note that ⁇ >, Z 2 are assumed to be neutral.
  • FIG. 3 is a front view of the rotor. Also indicates the direction of the magnetic poles of the permanent magnet.
  • This permanent magnet has a strong magnetic force, such as neodymium [trade name], and has a performance three times or more the usual coercive force.
  • Neomax trade name, manufactured by Sumitomo Metal Industries, Ltd., magnetic flux density in the air of 300 to 1500 Gauss] is applied to the permanent magnet of the present invention, and a conventional funilite magnet is used. In contrast, it has about 100 times the magnetic energy of the same size.
  • FIG. 4 is a cross-sectional view illustrating a mode as a generator device according to the first embodiment.
  • 6c and 6d are rotor side plates
  • 6x and 6y are rotor support frames
  • 9 is a coil end of a stator winding
  • 10 is a prime mover (here, a small motor)
  • 11a is a pulley
  • 1 is 2 Tie belts
  • 13a, 13b, and 13c are bearings
  • 14 and 15 are frameworks composed of pipes and the like.
  • Figure 5 shows two rotors cascaded along one rotating shaft and fixed in a skewered fashion, and the concentrically wound stator halves are positioned 180 degrees apart from each other. It is a side sectional view showing other embodiments arranged and connected in series. Then, the starting of the rotating shaft having the two rotors 6a and 6b in such an arrangement is smooth as described above due to a decrease in excessive reluctance. Furthermore, if the two rotors 6a and 6b are replaced with one rotor 60 (abbreviated as a dashed hatched portion) and started, almost only the mechanical friction resistance is used as the starting resistance. This embodiment enables extremely light starting rotation.
  • Embodiment 2 is an effective means for determining the material of the stator, the output of the starting motor, and the like. That is, according to the second embodiment, it was certainly proved that the material of the stator was reinforced, and even plastic or duralumin had good start-up and power generation capabilities.
  • FIG. 6 is a diagram illustrating another embodiment of the present invention in which circular band-shaped magnetic plates are provided at both left and right ends in the axial direction of the stator.
  • FIG. 6A is a side sectional view
  • FIG. 6B is a front view.
  • the circular strip-shaped magnetic plates 16a and 16b shown in Fig. 6 have a width of approximately 0.55 to 0.65 of the axial width of the coil 9 of the stator winding, and the diameter of the circular shape is approximately It is formed equal to the diameter of the work, and is placed on the both end faces of the stator with a small gap.
  • FIG. 7 is a diagram illustrating a linear generator that applies an exciting current to an electromagnetic induction source.
  • FIG. 7 (a) is a perspective view thereof
  • FIG. 7 (b) is a partially enlarged side sectional view thereof.
  • the stator 1 is formed by die-casting a rectangular parallelepiped aluminum plate, has slots 3 opened in the width direction, and has windings 9 that lead out the power output at a uniform pitch in the length direction.
  • a (the effective part of the coil end 9) is provided with a plurality of slots 3 for winding.
  • Notches are vertically cut from the bottom of the plurality of slots 3 to the outer surface of the stator.
  • a cut surface 2 is inserted, and a yoke 4 made of a magnetic material that abuts on and surrounds the outer peripheral surface of the stator 1. Is provided.
  • the mover 1 a is formed in exactly the same member and shape as the stator 1, and has means for applying an exciting current for generating electromagnetic induction in the mover winding 9 c (effective portion of the coil end 9 b). are doing.
  • the surface of the slot of the mover is the surface of the slot of the stator.
  • a support mechanism [not shown] that enables the mover 1a to reciprocate in the left and right directions in the longitudinal direction.
  • the illustrated notch / cut surface 2 in the vertical direction is not necessarily provided on both the stator 1 and the mover 1a, but may be provided on either one of them.
  • Fig. 8 is a diagram showing a linear generator that is a flat development of the embodiment of Fig. 1.
  • Fig. 8 (a) is a perspective view
  • Fig. 8 (b) is a partially enlarged side sectional view.
  • the mover 1 a holding the permanent magnet 7 and its outer frame 4 a have the same material and configuration as the stator 1 and its outer frame 4.
  • the stator 1 is a rectangular parallelepiped plate-shaped aluminum die-caster, has slots 3 in the width direction, and has windings that derive the power generation output with a uniform pitch in the length direction.
  • a number of slots 3 for winding a are provided. Notch vertically from the bottom of the plurality of slots 3 to the outer surface of the stator.
  • the mover 1a is made of die-cast rectangular parallelepiped aluminum, has an appropriate width in the width direction, and has a plurality of permanent magnets 7 alternately having different magnetic poles at a uniform pitch in the length direction. It is arranged as follows.
  • the surface of the permanent magnet 7 of the mover 1a faces the surface of the slot 3 of the stator 1 via a small gap G, and the mover 1a can reciprocate left and right in the longitudinal direction. This is a configuration including a support mechanism [not shown].
  • FIG. 9 shows one of the novel embodiments of the present invention.
  • FIG. 9 (a) is a perspective view showing the whole, and
  • FIG. 9 (b) is a partially enlarged side sectional view.
  • the stator 1 is a rectangular parallelepiped, plate-like material made of ferrite or the like, has slots 3 opened in the width direction, and has windings 9 that lead out the power generation output at a uniform pitch in the length direction. a is equipped with multiple slots 3 for winding
  • a stator outer frame plate 4 made of plastic such as vinyl chloride or polyester is provided in contact with the bottom of the plurality of slots 3.
  • the mover 1a is formed in exactly the same member and shape as the stator 1, and includes means for applying an exciting current for generating electromagnetic induction to the mover winding 9c.
  • the surface of the slot 3a of the mover 1a is formed facing the surface of the slot 3 of the stator 1 via a small gap G, and the mover 1a reciprocates left and right in the length direction.
  • the alternator is configured with a support mechanism that enables the following.
  • Fig. 10 is a diagram showing the means in which the winding part of the mover in Fig. 9 is replaced with a permanent magnet.
  • Fig. 10 (a) is a perspective view showing the whole, and Fig. 10 (b) is a partially enlarged view. ⁇ side It is sectional drawing.
  • the stator 1 is formed of a rectangular parallelepiped flat plate, has slots 3 opened in the width direction, and has windings 9a for leading out the power generation output at a uniform pitch in the length direction. There are multiple slots 3 to be mounted once.
  • a stator outer frame plate 4 made of plastic such as vinyl chloride or polyester is provided in contact with the bottom of the plurality of slots 3.
  • the mover 1 a has a plurality of sets in which rectangular parallelepiped ferrites and rectangular parallelepiped permanent magnets 7 are alternately joined in a sandwich shape, and the permanent magnets 7 are N-pole or S-pole with a uniform pitch in the length direction.
  • the pole types are alternately arranged and integrated to form a flat rectangular parallelepiped.
  • the permanent magnet 7 opposes the surface of the stator 1 via a small gap G, and the mover 1a has a support mechanism (not shown) that enables reciprocating movement to the left and right in the longitudinal direction. It is configured.
  • this alternator forms a set in which the polarity arrangement of the permanent magnet 7 is N-pole, N-pole or S-pole, S-pole and a plurality of (for example, two) continuous.
  • the pole types of those pairs are arranged alternately.
  • the synergistic effect of the small starting energy and the supermagnetic energy of the permanent magnet appears remarkably, and the smooth starting and the output voltage with a regular waveform are realized.
  • it is possible to obtain a special effect that one of the most excellent AC generators in terms of starting torque, power generation efficiency, weight, etc. can be obtained as a linear generator. If it is provided, it becomes a DC generator, and it is also clear that it can be usefully operated in the same form as a motor.
  • the present invention provides a small-sized mobile As a step generator, in mobiles where energy is not fully or continuously available, or is unfavorable due to load restrictions, energy supply from other energy sources is not sufficient. Also, the energy stored in the permanent magnet of the rotor (moving body) is started in a state with extremely little reactance, the energy of the permanent magnet is added and derived, and the number is calculated based on the small energy from the prime mover. This means that it can be operated with twice the energy.
  • the rotating magnet generated by the rotation of the rotating shaft of the permanent magnet mounted on the outer peripheral surface of the rotor interlinks with the stator winding to generate an AC voltage.
  • An AC generator in which a stator is opposed to the outer peripheral surface of the rotor via a gap, and the material of the stator is aluminum. It is composed of a die cast, and has a plurality of slots in the center of which is wound a winding for drawing out the power generation output on the inner circumferential surface of the perforated circle.
  • Permanent magnets formed by aluminum die-casting and fixedly mounted on the outer peripheral surface of the rotor are opposed to the inner peripheral surface of the stator with a small gap.
  • the stator yoke is made of substantially the same magnetic material on both left and right sides in the axial direction of the stator yoke, and has a width in the axial direction of the stator winding.
  • a circular strip having an axial length of approximately 0.55 to 0.75 of the coil end of the coil end is abutted or inserted through a small gap, for example, the output of the generator of claim 1
  • the alternator in the present invention, in the alternator described in the first section, since the stator yoke is made of an animal, the alternator is usually produced. It can be implemented in accordance with the production of generators, and can protect against and deal with any external infringement.
  • the stator is made of a non-magnetic material such as reinforced plastic or duralumin, so that the alternator at the time of startup is There is no excessive reluctance, and a particularly smooth start is obtained.
  • two rotors are mounted in parallel with the rotating shaft, and one stator is split in half to have a mechanical angle of 180 °. It is installed at a staggered position, and the stator windings are connected to derive the power generation output.Therefore, excessive reactance does not occur at startup, and the number of rotors is reduced to one or two. This has a significant effect on capacity reduction.
  • the stator in the alternator according to the first to second aspects, is developed in a linear plate shape together with the yoke, and the rotor is provided with a slight gap on the winding side of the stator.
  • the linear generator of the present invention has an effect that the conversion from the rotating magnetic field to the linear moving magnetic field is performed smoothly, and the linear drive and the power generation can be started with small energy. It is useful as a generator that can acquire a considerable amount of electric energy by generating electricity from a small amount of startup energy and a small current from the configuration. This is a means by which magnetic energy held by permanent magnets can be effectively extracted from the movement, and a large power output can be obtained.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Synchronous Machinery (AREA)

Abstract

Stator (1) placé face à la surface externe d'un rotor (6) et espacé de ce dernier. Le stator est formé d'aluminium moulé sous pression et comporte une pluralité de fentes (3) sur sa face circulaire interne pour installer des enroulements permettant d'évacuer le courant produit. Des entailles relient le fond des fentes (3) et la surface externe du stator (1), et une culasse (4) formée d'un matériau magnétique, vient s'appuyer contre la surface externe du stator (1) et entoure ce dernier. Le rotor (6) est formé d'aluminium moulé sous pression sur la surface externe d'un arbre de rotation (5) et comporte des aimants (7) permanents montés fixes sur la surface externe du rotor (6), et qui font face à la surface intérieure du stator (1) à travers un petit espace. Ce générateur comporte en outre des moyens pour développer linéairement le stator (1) et le rotor (6) et des moyens pour supporter le rotor (6) en tant qu'élément mobile (1a), et le maintenir lors de son mouvement dans le stator et de l'effet réciproque se produisant à travers un espace.
PCT/JP1998/000288 1997-01-24 1998-01-22 Generateur de ca WO1998033263A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU55769/98A AU5576998A (en) 1997-01-24 1998-01-22 Ac generator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9/25879 1997-01-24
JP2587997 1997-01-24

Publications (1)

Publication Number Publication Date
WO1998033263A1 true WO1998033263A1 (fr) 1998-07-30

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63274352A (ja) * 1987-05-06 1988-11-11 Ricoh Co Ltd ブラシレスモ−タ
JPH0223094A (ja) * 1988-07-07 1990-01-25 Satake Eng Co Ltd 複数固定子誘導電動機
JPH03273858A (ja) * 1990-03-20 1991-12-05 Aisin Seiki Co Ltd リニア発電機
JPH04503749A (ja) * 1989-02-28 1992-07-02 イー・アイ・デユポン・ドウ・ヌムール・アンド・カンパニー 非スタテツクコギングブラシレスｄｃモーターのための固定子組立体とその製造方法
JPH04134144U (ja) * 1991-05-31 1992-12-14 松下電器産業株式会社 電動機のスロツト絶縁物
JPH07505038A (ja) * 1992-01-10 1995-06-01 フィッシャー　エレクトリック　モーター　テクノロジー　インコーポレイテッド 軽量のハイパワー電動兼発電装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63274352A (ja) * 1987-05-06 1988-11-11 Ricoh Co Ltd ブラシレスモ−タ
JPH0223094A (ja) * 1988-07-07 1990-01-25 Satake Eng Co Ltd 複数固定子誘導電動機
JPH04503749A (ja) * 1989-02-28 1992-07-02 イー・アイ・デユポン・ドウ・ヌムール・アンド・カンパニー 非スタテツクコギングブラシレスｄｃモーターのための固定子組立体とその製造方法
JPH03273858A (ja) * 1990-03-20 1991-12-05 Aisin Seiki Co Ltd リニア発電機
JPH04134144U (ja) * 1991-05-31 1992-12-14 松下電器産業株式会社 電動機のスロツト絶縁物
JPH07505038A (ja) * 1992-01-10 1995-06-01 フィッシャー　エレクトリック　モーター　テクノロジー　インコーポレイテッド 軽量のハイパワー電動兼発電装置

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