• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The magnet frame of a dynamoelectric machine comprises a removable, generally cylindrical inner member concentrically disposed inside a cylindrical outer member. The inner member is supported in a cantilever fashion at only one of its ends, and most of its outside surface is normally separated by a relatively small circumferential gap from the cooperating inside surface of the outer member. The outer member of the frame rotatably supports the hub of a motorized wheel, which hub is coupled via a torque tube and gearing to a rotor inside the inner member. Conventional means is provided in the inner member for producing a field of magnetic flux in both the magnet frame and the rotor, and the path of this flux will include parallel branches in the inner and outer frame members.
    公开号:SU1321363A3
    申请号:SU833568451
    申请日:1983-02-21
    公开日:1987-06-30
    发明作者:Ли Фостер Дэвид；Фредерик Хоупт Джон；Ворден Вейт Малькольм
    申请人:Дженерал Электрик Компани (Фирма)；
    IPC主号:
    专利说明:

    This invention relates to automobile construction, in particular to wheel motors with a diesel engine used on off-road trucks.
    The purpose of the invention is to increase the level of service and the loss of service.
    Fig. 1 shows a motor-wheel, a section cut by a removable engine; in fig. 2 shows the electrical circuit of the engine 5 in FIG. 3 - half motor stator, longitudinal section | FIG. 4 shows a motor-wheel motor, longitudinal section h; FIG. 5 shows the end of the collector of the removable inner cylindrical element of the stator, a longitudinal section; FIG. 6 shows a section in FIG. 5; FIG. 7, a section of the inner element located behind the flange on the outer side | Fig, 8 - part of the stator in the area of the outer end of its inner and outer cylindrical elements, a longitudinal section; in Fig. 9 - half of the engine in the absence of mechanical load (or a small amount of it) on the wheel axle; in fig. 10 - the same, in the mode. Full mechanical load of an axis.
    The motor-wheel contains a pair of large pneumatic tires 1 and 2 planted on rims 3 and 4, which are rigidly attached to the ring hub 5, Hub 5 with a weight of vrash.- NIN is supported by a pair of large support bearings 6 located at some distance from each other. . and 7, including tapered roller bearings, which are mounted on the outer side of the drum-shaped stator of a high-power dynamo-electric magneti (engine):, This machine works in a motor mode, in which electric energy is Ase / ts into mechanical, as well as in an alternative dynamic mode of deceleration, in which it functions as a generator and converts kinetic energy into electrical energy, which is dissipated in the resistor: m grids (not shown).
    The stator assembly, located inside the hub 5, contains concentrically located inner 3 and outer 9 hollow cylindrical elements of magnetized material. The outer element 9 has a 5
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    five
    large internal diameter. Inner element 8 (in FIG. 1, shown as extracted from outer element 9) has a diameter less than the diameter of the outer element and, during operation, is inside the outer element, where it is fastened by bolting; annular flange 10,) located on the outer end of the inner element (Fig, 3 and A) j to the corresponding end of the outer element.
    The inner toren of the outer stator assembly 9 is a part of the frame structure 1 1 1 having a flange 12 adapted for bolting with one side of the crankcase of the bridge. a; 3h heavy load carrying capacity (not shown) 5 intended for operation in off-road conditions.
    The inner stator element 8 of the direct current motor has a plurality of pairs located inside it and radially directional pole elements 13, Frame head 1 -: can be bolted to the outer element 3 and can be hindering the ball bearing device 15 "Inside the hub consisting of spoke-like connections 16 (FIGURE 3 and 4), the brown cockés are firmly t-shaped. with to the inner end of the same element, on its perimeter there is a roller pod; this device is 1/4. Coaxially located pods are located 15 and 17 s; ozlzk; T is a rotating support for the shaft 18 ooc og: - ;. nineteen,; concentrically located) -i; th inside the grazing of the internal 8 engine.
    The rotor 19 contains. The hollow cylindrical core 20 of the magnetized material and the usual collector 21, the Core 20 has an equipped
    5, the core portion 22 for winding, having a small air gap with the concave surfaces of the pole elements 13 in the inner member 8, A plurality of electric plugs 23 arranged for the purpose of the core are connected to the collector segments. Fixed brushes 24 (fig „4) are installed with the possibility of sliding contact with the segments of the collector.
    The brush holders 25 are fastened with bolts: s-1I inside the inner stator element 8 (FIG. D). To the outer turn of the outer stator element 9 at
    j
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    31321
    The power of the released spring clips may be fitted with a hub cap 26 provided with a vent.
    In the case of using an AC motor 5, the pole elements are located on the rotor core 20, the motor measles is attached to the inner stator element 8 at some distance from the rotating surfaces of the rotating poles, and current collector rings are installed instead of the collector 21.
    When the inner stator element 8 is located inside the outer 9, the shaft t5 18 of the rotor 19 is mechanically connected by means of a splined drive ring 27 to the hollow shaft 28 of the sun gear 29, which engages with the three planetary thorns 30 surrounding it 30. Each planetary tester is stationary mounted on a shaft supported by a pair of bearings 31 and 32 located at some distance from each other. The latter are mounted on a non-rotating frame structure 11, gear 33 is located between the said podshpniki. The planetary gear 33 engages with the teeth of the inner ring gear 34, mounted on the inner end of a large-diameter cardan tube 35, the other end of which is bolted to the wheel hub 35. Planet: The RNA and the crown gear form a two-stage reducer (a double lowering planetary gear of the complex asterisk type) between the rotor of the engine and the cardan labor-40 battle. The gear unit is encased and immersed in it in oil.
    The coaxially mounted inner 8 and outer 9 elements of the stator, 45 rotor 19, rotor shaft 18, gear block 29-34, and cardan tube 35 constitute the truck driving axle, transmission and traction motor, which ensures rotation of the hub of the wheel required speed and in the desired direction.
    The motor wheel may also include a suitable mechanical brake and its usual means for providing forced ventilation to the gearbox, bearing and motor winding box.
    634
    To bring the engine into operation and to operate it, the truck on which the wheel is mounted includes a means for generating electric power, driven by a prime mover (not shown), which through brushes 24 and collector 21 delivers direct current to the winding bar 23 on the rotor 19. The constant current is also supplied either in series with the power supply to the core or from a separate excitation source to the excitation coils at the pole elements located inside the inner stator element 8.
    Block 36 (FIG. 2) is a current source for powering coils 23 on a rotating DC motor. The current crust between the external source 36 and the collector brushes 24 goes through a pair of conductors 37 and 38, which are connected to the wires 39 of the brushes at points 40 of the joint. The magnetic field in each of at least two pairs of pole elements is created by applying current to multilayer excitation coils 41, which are located on the respective pole elements and through wires 42 and a pair of conductors 43 and 44 are connected to a corresponding external direct current source 45 (points with The connections of the respective conductors 43 and 44 and the terminals of the wires 42 of the excitation coils are shown in Fig. 6). The motor is a 4-pole DC motor, in which smaller pole elements are normally located between the four poles of the excitation coils for switching the excitation coils, which are connected in series with the winding of the core.
    FIG. Figure 2 shows a gear wheel 46 seated on a rotating motor shaft 18. For sensing the speed (revolutions per minute) of the engine, a sensing coil 47 is located near the teeth of the gear 46. The sensing coil 47 is connected through a corresponding switch 48 and a two-core proode 49 connected to a corresponding device 50, which reacts to the frequency of electrical pulses induced in the sensing coil 47 as the successive teeth of the wheel 46 move past the coil.
    th
    The frequency of such pulses is directly proportional to the speed of the engine.
    The inner stator element 8 (Fig. 3) is concentrically placed inside an outer element 9 interacting with it, with which it is connected (removably) via a ring of bolts 51 with a socket for an allen key passing through an annular flange 10 located on the outer or the near end of the element 8, into the depth of the threaded holes made in the corresponding end of the element 9 (in Fig. 3 one of the mounting bolt 51 is shown).
    In addition to the predetermined section 52 located at the proximal end of the inner element 8, the outer protruding surface of this element is separated from the cooperating concave inner surface of the outer element 9 by a relatively small gap 53 provided to minimize the possibility of the internal elongation inside the outer element sticking or jamming due to abrasion or metal corrosion. In addition, the cylindrical walls of the inner 8 and outer 9 elements are made on a cone, so that the outer diameter of the inner element 8 at its far end (and the corresponding inner diameter of the outer element 9) is smaller than the outer diameter — the diameter of the inner element (and the inner diameter of the outer element) near end. This slope, which is preferably half a degree relative to the center line of the stator, facilitates the operation of installing or removing the inner element .8. When performing the bevel of both the outer surface of the inner element 8 and the inner surface of the outer element 9, the normal clearance is 53 IU, where these elements are supported, however, axially,
     According to the described embodiment of implementation. of the invention, the outer surface of the predetermined section 52 of the inner member 8 does not have a bevel. The longitudinal dimension of this regular cylindrical section 52 is approximately 2 inches, and its outer diameter is actually equal to the inner diameter of the corresponding section of the outer element 9, which mates with the outer end of the stator. Thus, between the inner
    sh
    15
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    25

    thirty
    40
    45
    50
    55
    The joint and the outer end of the outer element receive a thorn-groove connection. As a result, the inner element has a tight fit in the outer element in the zone of its near end. Due to the presence of a circumferential gap 53} which normally separates a large part of the outer surface of the inner element from the adjacent inner surface of the outer element, the inner element is a cantilever part that is movable inside the outer element in the region of its distal end. The outer member 9 (FIG. 4), on its cylindrical outer surface, carries a pair of large support bearings 6 and 7, forming an anti-friction rotating support for the wheel hub 5. Between the flange 10 of the inner element 8 and the outer end of the outer element 9 there is an abutment ring for the bearing 7. One end of the universal joint pipe 35 is connected to the inner side of the wheel hub 5 by means of a bolt (s) 54. Through the gear unit gear down gear (Fig. 1), the internal gear gear 34 located at the inner end of the cardan tube 35 with the possibility of transmitting rotation is connected to the shaft 28 of the sun gear. A non-rotary wheel frame structure 11, attached (removably) to the frame or body of a truck, and physically supporting the inner end of the outer stator element 9, has appropriate fittings for mounting three sets of subframes intended to fit the planetary gear shaft, for example a cylindrical seat 55 in the side wall of the frame structure 1 into which the bearing 32 of the planetary shaft is placed.
    The shaft of the sun gear 28 and the shaft 18 of the rotor 19 of the engine (FIG. 4) are arranged coaxially with respect to each other, and their joining are connected to each other (with the possibility of disconnection) by means of a splined drive ring 27 and a bolt 56. The bolt 56 enters the hole in a holding disc 57 held stationary at the outer end of the hollow shaft 28 and screwed into
    J5
    25
    71321
    a threaded hole axially formed in the inner end of the shaft 18. The drive ring 27 has internal teeth that are in engagement with the external teeth by means of splines 5 at the contacting ends of the respective shafts 18 and 28. The ring 27 is installed axially with the help of the adjusting ring 58 with a collar near the end of the shaft 18, and it is tightly planted on the shaft in the manner of a hot fit. However, between the ring 27 and the shaft 28 there is a sliding fit, and the drive wheel is easily disconnected from the shaft of the sun gear when removing the inner stator 8 of the stator from the outer element 9 interacting with it. Before performing the operation, it is necessary to manually remove the tool with a long handle. (not shown) unscrew the bolt 56 from the rotor shaft 18, with this tool being inserted into the central cavity of the sun gear shaft 28. The access to the shaft 28 for this purpose is carried out through a corresponding hole in the gearbox cover 59 (Fig. 1). To facilitate the operation of: - connecting the drive ring 27 to the shaft 28 when the inner element 8 is inserted into the outer 9, the guide sleeve 60 is attached to the inner end of the ring 27.
    The drive ring 27 and the shaft 28 of the sun gear are enclosed in a tubular body 61. The outer end of the body 61 fits snugly into a short tubular holder 62 suspended coaxially in the wheel frame 11 with three spoke-like elements 63 (in Fig. 4 one ). The outer end of the holder 62 coaxially with the annular sleeve 64 held. four radial spoke-like elements 16, appropriately welded to four squares of the perimeter of the distal end of the cylindrical inner element.8 of the stator, gp When the inner element 8 is installed inside the outer 9, the sleeve 64 is separated from the holder 62 by a small annular gap filled with a ring 65 from a suitable for this purpose, a flexible sealing material, for example, from densely cellular non-continuous foam. To the sleeve 64 is attached to the housing 66 for roller
    five
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    3638
    bearing 17, and the housing 66 - Krishka 67 bearing. At the near end of the inner element 8, the frame head 14 forms a support for the ball bearing 15, and the rotor shaft 18, in turn, is rotatably supported by coaxially disposed bearings 15 and 17.
    The head 14 of the frame contains a metal ring 68, bolts attached to the outer end of the inner element 8, centrally located annular sleeve 69, four spoke-like elements 70, directed radially from sleeve 69 to the corresponding quadrants of the ring 68, and bearing 71. A gear wheel 72 is mounted on the shaft 18 inside the bearing 71 bearing 71 (FIG. 2). The sleeve 69 serves as a housing for the ball bearing 15.
    The hollow cylindrical core 20 of the rotor 31 comprises a tube of a thin layer of material capable of magnetizing fixedly attached to the shaft 18 to rotate with the latter, and the outwardly extending periphery of the core 20 includes a plurality of longitudinal holes (not shown in FIG. 4) Coil 23 engine box. The core 20 is located between the annular head 73 of the core and the annular sleeve 74 on the shaft 18. The sleeve 74 forms a support for a set of parallelly located segments 75 of the collector, forming a collector 21. The segments 75 are fixed using an annular collet 76 of the collector. Coils 23 boxes are connected to segments 75 in the usual way. To the elements 70 of the head 14 of the frame is attached a conventional mounting ring 77, covering the protrusion of the cover 76 collector. In the core 20, the head 73 of the core and the manifold sleeve 74, there are a plurality of holes for the passage of cooling air from the means of providing forced ventilation (not shown) through the inner stator element.
    Pole elements 78 made of magnetizable material are installed inside the inner element 8 at some distance from the rotor core 20 (one of the pole elements is shown in Fig. 4). Pole element 78 is surrounded by multi-layer
    an isolated coil 79, which is one of the commutating coils of the engine. In the preferred embodiment of the invention, in fact there are two pairs of fields of the switching field, alternating with two pairs of fields of the exciting field (Fig. 6). The pole element 78 (Fig. 4) is attached to the wall of the cylindrical inner element with three bolts 80, and the wall is razsenkovana so that the heads of the bolts are immersed in the recesses, not protruding beyond the outer surface of the element 8. The terminals 81 of the switching coil 79 (Fig. 5) The coil is connected to an electric circuit that supplies the corona current, and the coil excited by this current creates a magnetic flux field in the stator B, 9, in the pole element 78, in the rotor core 20, and also in the space between the core and the pole element. Similarly, the current in the driving coils 41 (FIG. 2) creates a magnetic flux field in the stator, in each pair of driving pole elements, in the core 20 and in the space between the core and the corresponding pole elements. I
    Three carbon brushes 24 are put into
    sliding contact with the segments 75 of the rotating manifold 21, the Brush holder 25 with the help of the bracket 82 and the bolt 83 with the possibility of separation is attached to the support 84, which is attached to the wall of the inner element 8 (Fig. 5 and 6) with a pair of bolts 85. In the bearing cover 71, located near the teeth of the toothed wheel 72 (Fig. 5), a speed sensor 47 is connected, connected via connector 48 to an electric wire 49. The wire 66 goes from the connector 48 to the means 50, which reacts to a frequency located in an automobile equipped with the wheel in question. To facilitate access to the inner end of the stator, the wire 49 is led from the connector 48 between two of the elements 70 through the hole 86 in the inner element and introduced into a longitudinal groove formed in the outer surface of the wall of the element 8. The groove .87 forms a passage between the inner and outer elements 8 and 9 dl pass
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    Deni wires 4.9. It also serves as a passage for the metal key 88 (Fig. 7), the inward-insertion device from the qi, the pindric wall of the outer element to a predetermined location on the perimeter of the outer end of the stator assembly. The key 88 has a groove for accommodating the wire 49 when the inner element is inserted into the outer element or 4 is removed from the key 88 and the keyway 87 provides the necessary angular orientation of the inner element 8 when it is installed in the outer element 9.
    In addition to the groove 87, there are also three other longitudinal grooves 89, 90 and 91 in the outer surface of the wall of the inner element 8. These four grooves are located at 8 points that are almost equally distant from each other around the circumference of the element. The groove 89 forms a passage between the inner 8 and outer 9 elements for core current conductors 37 and 38 connecting an external current source 36 installed in the car with collector brushes 24 and ends with a rectangular opening 92. in the wall of the inner element 8 near its middle the end. The insulated conductors 37 and 38 are clamped to the inside of the outer element 9 with clamps and pass through the holes 92 for connection with the brush wires 39 inside the inside of its element 8.
    In the outer member (FIG. 8), in the zone where its wall is aligned with the hole 92, a recess 93 is provided, providing additional space for tightening or loosening the bolts of the connection 40. I
    The third groove 90 in the outer surface of the inner element 8 forms a passage between the inner 8 and outer 9 elements for the conductors 43 and .44 of the core current, connecting 1 x an external source 45, direct current, mounted in the vehicle, and the field driving coil 41 to each other. This groove ends in a rectangular hole 94 in the wall of the inner member 8 near the near end of the latter. The current conductors clamp the field to the inside of the outer element 9 and pass through the hole 94 to connect the coils of the exciting field inside the element 8 to the wires 42 (in Fig. 6 the points of connection of the excitation conductors and terminals of the respective wires 42 are indicated with 95).
    The fourth longitudinal groove 91 forms a passage between the inner and outer elements 8 and 9 for liquid lines or pipelines (not shown) that provide the working fluid to the mechanical brake (not shown) normally installed on the outer end of the rotor shaft 18.
    Before removing the inner stator element 8 from the outer 9, it is necessary to disconnect, loosen the bolts and disconnect the various electrical connections converging at connection points 40 and 95 and in connector 49. To facilitate the initial step of removing the inner element from the outer 9 around the perimeter of the flange 10 of the inner element 8, there are a plurality of threaded holes 96 located at some distance from each other for mounting, with mounting bolts 51 in them, which fasten the flange 10 to the outer end of the outer member 9. To remove the inner member, initially all of the mounting bolts 51 are unscrewed from the outer member 9, and some of them are then screwed into the holes 96 until they come into contact with the surface of the outer end of the member 9.
    As seen in FIG. 6, a pair of brush holders 25 are respectively attached to opposite sides of each of two oppositely arranged supports 84 of the brush holders, which, in turn, are bolted to the inner side of the inner element 8 (rotor shaft 18,; core 20 and collector 21 not shown), broken line 97 shows the path described by the surfaces of the rotating collector segments 75.
    According to the described embodiment, the motor has two pairs of poles of the field driving, directed radially inward of the device from the cylindrical wall of the inner stator element 8. Each of these poles contains a pole element.
    of magnetized material, surrounded by a multi-turn coil .41. The pole elements 98 of the field drive (Figs. 9 and 10) have arc bases 99 (Fig. 6) 5 which are bolted tightly to the inner side of the element 8, and their concave surfaces are removed some distance from the core of the rotor core 20. When the coils 41 are energized by a constant current in each pole element 98, a magnetic field is created. The magnetic induction lines at each pole are evenly distributed along two paths containing the stator zones between the adjacent lines.
    0
    five
    0
    The existing zones of the cylindrical core 20 of the rotor and the space between the rotor and the surfaces of the corresponding pole elements (in Fig. 9 are shown with a dotted line). The longitudinal grooves in the outer surface of the inner element 8 are preferably located in zones of relatively low flux density, which extend along the center lines of the respective exciting pole elements 98.
    As seen in fig. 9, the flow path in each of the stator zones, enclosed between the interconnected pole elements, includes parallel first and second arms in inner 8 and outer 9 elements, respectively. The magnetic flux is distributed along these parallel branches, with some of the flux crossing the tradi- tional gap between the inner 8 and outer 9 elements and passing along the second leg. niyu. The wall of the element 8 is so thin that a significant part of the flow passes along the branch in the outer element 9.
    Under conditions of full load (Fig. 10), the inner 8 and outer 9 elements of the stator are not round, but oval or elliptical in shape.
    As mentioned above, the inner stator assembly 8 can be easily removed from the outer end of the outer member 9 for the purpose of servicing or repairing the bark or its bearings, collector, excitation coils and / or brush holders (the car should not be loaded at this time). Relatively thin
    0
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    131321363
    The outer member 21 is sufficiently strong to resist significant bending while keeping the corresponding weight of the unloaded truck going to this wheel.
    sh m s o p s s n ch al h m m s w w r p p t c n me n v o l o ro ro py
    权利要求:
    Claims (1)
    [1]
    1. A motor wheel with a dynamo-electric vehicle for moving a traction vehicle, comprising a rotor stator, including an outer hollow cylindrical element made of a magnetized material, attached to the frame of the vehicle, on the outer surface of which the mounting means are mounted; means of creating a magnetic flux field in the stator frame, including excitation coils to create a magnetic flux in each of the pairs of pole elements of the frame, the rotor is concentrically mounted woven inside the outer element rotatably with respect to the latter and containing a cylindrical core of magnetizable material located with a gap relative to the outer element, means for creating a magnetic flux field in the core including a collector associated with the core and interacting with the collector brushes installed inside the outer element, as well as the means, including a down gear unit for mechanically connecting the rotor to the wheel of the car, that, in order to increase reliability and simplify servicing, the stator rotor is equipped with an internal hollow cylindrical element made of magnetized material concentrically mounted
    with a gap inside the outer and bolted connection with its end with an annular flange to the outer end of the outer element, while from the side of the same end the inner element along its outer surface tightly mates with the inner surface of the outer element
    O
    five
    0
    five
    0
    five
    0
    five
    0
    The bearing is supported on the rotor by means of a bearing, a rome is fixed on the inner conical surface of the inner element, and a series of pairs of pole elements of the means for creating a field of roma are installed inside the inner element with a gap relative to the rotor core, in the rome zone between the connected pole elements and in the core longitudinal holes located along its outer periphery, and the core winding is tightly seated in the longitudinal holes, in the cylindrical wall of the internal element there is a hole communicated with a passage between the inner and outer elements, a metal key located radially inside the device from the cylindrical wall of the outer element, in the outer surface of the inner element a longitudinal groove is formed to form a channel for accommodating the key, and the outer surface of the inner cylindrical element is conical in shape, with the outer diameter the second end of the element is smaller than the outer diameter of the first end of the element, and the inner surface of the outer cylindrical element placed equidistantly relative to the outer surface of the inner cylindrical element, the means of generating a magnetic flux field in the stator includes parallel first and second branches in the inner and outer elements,
    2, a motor wheel according to claim 1, which is in that the outer surface of the v / ri element is made with a longitudinal groove with the formation of a passage between the inner and outer elements to accommodate electrical conductors connected between the exciter coils and the external source excitation current, and at least one longitudinal groove is made in the outer surface of the inner element with the formation of a passage between the inner and outer elements.
    7
    37
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    Fi.2
    FIG.
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     G S6 57 27
    71
    Fig4
    80
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    64
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    FIG. 6
    FIG. 7
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    98 53
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    同族专利:
    公开号 | 公开日
    CA1190954A|1985-07-23|
    MX153140A|1986-08-08|
    US4389586A|1983-06-21|
    AU553004B2|1986-06-26|
    AU1147683A|1983-09-01|
    ZA83889B|1983-12-28|
    BR8300805A|1983-11-16|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US06/350,832|US4389586A|1982-02-22|1982-02-22|Electric wheel with removable motor|
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