WO2022168298A1 - Machine de levage et ascenseur - Google Patents

Machine de levage et ascenseur Download PDF

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Publication number
WO2022168298A1
WO2022168298A1 PCT/JP2021/004543 JP2021004543W WO2022168298A1 WO 2022168298 A1 WO2022168298 A1 WO 2022168298A1 JP 2021004543 W JP2021004543 W JP 2021004543W WO 2022168298 A1 WO2022168298 A1 WO 2022168298A1
Authority
WO
WIPO (PCT)
Prior art keywords
main shaft
rotating body
housing
central axis
air
Prior art date
Application number
PCT/JP2021/004543
Other languages
English (en)
Japanese (ja)
Inventor
真人 中山
悠人 樋野
治 丸山
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to PCT/JP2021/004543 priority Critical patent/WO2022168298A1/fr
Priority to JP2022579289A priority patent/JPWO2022168298A1/ja
Priority to CN202180092584.8A priority patent/CN116963987A/zh
Publication of WO2022168298A1 publication Critical patent/WO2022168298A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave

Definitions

  • the present invention relates to a hoist and an elevator.
  • the hoist of the present invention includes a housing provided with an exhaust hole, a main shaft, a rotating body provided with an air intake hole, a sheave, a rib;
  • a housing is provided with a stator.
  • the main shaft is supported by the housing.
  • the rotating body is supported by the main shaft, has a rotor arranged at a position facing the stator, and rotates with respect to the housing by the stator and the rotor.
  • the sheave is provided on the outer surface of the rotating body opposite to the inner surface, which is the surface on the housing side in the axial direction of the main shaft.
  • the exhaust hole is provided in the housing and exhausts air from the side of the housing on which the stator is provided to the opposite side.
  • the rib is a convex rib provided on the inner surface of the rotating body so as to protrude toward the housing, and is provided so as to extend radially with respect to the central axis of the main shaft.
  • the air intake hole is provided in the rotating body and sucks air from the outer surface side to the inner surface side of the rotating body, and the distance from the central axis of the main shaft is greater than the distance from the central axis of the main shaft to the exhaust hole placed in a small position.
  • the elevator of the present invention includes a car that ascends and descends in a hoistway, a counterweight that connects the car and the car via a main rope, and a hoist that raises and lowers the car by winding the main rope around it. Prepare. And a winding machine has the above-mentioned composition.
  • FIG. 3 is a cross-sectional configuration diagram of the hoist 100 of FIG. 2 when a cross section along line AA is viewed from the direction of the arrow. It is a cross-sectional block diagram along the direction orthogonal to the rotating surface of the winding machine 200 which concerns on the 2nd Embodiment of this invention.
  • FIG. 5 is a cross-sectional configuration diagram of the hoist 200 of FIG. 4 when a cross section along line BB is viewed from the direction of the arrow.
  • FIG. 1 is a schematic configuration diagram showing a configuration example of an elevator 1 of this embodiment.
  • the elevator 1 of this embodiment moves up and down in a hoistway 110 formed in the building structure.
  • the elevator 1 includes a car 120 for carrying people and luggage, a main rope 130, a counterweight 140, and a hoist 100.
  • the hoistway 110 is formed within the building structure and has a machine room 160 at its top.
  • the hoisting machine 100 is arranged in the machine room 160 and raises and lowers the car 120 by winding the main rope 130 around it. In the vicinity of the hoisting machine 100, a deflection pulley 150 on which the main rope 130 is mounted is provided.
  • the balance weight 140 is set to have approximately the same mass as the mass of the car 120 when it is unloaded. Therefore, when the car 120 is not loaded with objects or people, the tension ratio between the car 120 side and the counterweight 140 side of the main rope 130 is 1. As a result, it is possible to keep the output of the hoist 100 low when there is no load.
  • the car 120 is formed in a hollow, substantially rectangular parallelepiped shape.
  • the car 120 is connected to the counterweight 140 via the main rope 130 and moves up and down in the hoistway 110 .
  • FIG. 2 is a cross-sectional configuration diagram along a direction perpendicular to the plane of rotation of the hoist 100 of the present embodiment.
  • 3 is a cross-sectional configuration diagram of the hoist 100 of FIG. 2, taken along line AA, viewed in the direction of the arrow.
  • the hoisting machine 100 includes a housing 2, a main shaft 3, a rotor 4, a sheave 5, a motor stator 6 (the stator of the present invention), and a motor rotor 7 (the rotor of the present invention) and a bearing 8. Further, in the present embodiment, the hoist 100 is provided with an intake hole 9 and an exhaust hole 10 for flowing cooling air therein.
  • an outer rotor type hoist 100 in which the motor rotor 7 is arranged radially outside the motor stator 6 will be described as an example.
  • the axial direction of the main shaft 3 is the X direction.
  • the vertical direction to the axial direction of the main shaft 3 and the elevation direction of the car 120 is defined as the Y direction.
  • a direction orthogonal to the X direction and the Y direction is defined as the Z direction.
  • the side on which the housing 2 is provided is the other side, and the side on which the sheave 5 is provided is the first side.
  • the upper side of the hoistway 110 is defined as the upper side, and the lower side thereof is defined as the lower side.
  • the housing 2 has a housing 11 to which the spindle 3 is attached, a stator mounting portion 13 to which the motor stator 6 is fixed, and a first connecting portion 12 which connects the housing 11 and the stator mounting portion 13. ing. Further, the housing 2 has an outer wall portion 15 that covers the outer peripheral surface of the motor rotor 7 attached to the rotating body 4, which will be described later, and a second connecting portion 14 that connects the stator mounting portion 13 and the outer wall portion 15. ing.
  • the housing 11 is provided substantially in the center of the housing 2 on the YZ plane, and is composed of a cylindrical member whose axial direction is the X direction.
  • a bearing 8 having an axial direction in the X direction is provided on the inner peripheral surface side of the housing 11 .
  • An end portion of the main shaft 3 whose axial direction is the X direction is fitted to the inner peripheral surface side of the bearing 8 to rotatably support the main shaft 3 .
  • the stator mounting portion 13 has an inner diameter larger than the outer diameter of the housing 11, is composed of a cylindrical member whose axial direction is the X direction, and is arranged radially outward of the housing 11.
  • a motor stator 6 is fixed to the outer peripheral surface of the stator mounting portion 13 on the radially outer side.
  • the first connecting portion 12 is provided at one end of the housing 11 and the stator mounting portion 13 in the X direction, and is composed of a plate-like member that connects the housing 11 and the stator mounting portion 13. there is
  • the outer wall portion 15 has an inner diameter larger than the outer diameter of the stator mounting portion 13, and is formed of a cylindrical member whose inner peripheral surface is circular in the YZ plane and whose axial direction is the X direction. , are arranged radially outside the stator mounting portion 13 . Further, the outer wall portion 15 is provided radially outside the stator mounting portion 13 . In the space between the outer wall portion 15 and the stator attachment portion 13, a motor stator 6 and a motor rotor 7 attached to a rotor 4, which will be described later, are arranged. Furthermore, a rotating body 4, which will be described later, is arranged on one side of the outer wall portion 15 in the X direction.
  • the second connecting portion 14 is provided at the other end of the stator mounting portion 13 and the outer wall portion 15 in the X direction, and is composed of a plate-like member that connects the stator mounting portion 13 and the outer wall portion 15. It is Further, the second connecting portion 14 is provided with an exhaust hole 10 for exhausting air from one side of the housing 2 where the motor stator 6 is provided to the other side.
  • the exhaust holes 10 are provided, for example, at positions facing the gaps between the motor stators 6 that are arranged adjacent to each other. The exhaust holes 10 will be detailed later.
  • the main shaft 3 is composed of a cylindrical member whose axial direction is the X direction.
  • the other end of the main shaft 3 in the X direction is cantilevered by the housing 11 by being supported by the inner peripheral side of the bearing 8 provided in the housing 2 .
  • One side of the main shaft 3 is fitted to the rotating body 4 .
  • the rotating body 4 includes a boss portion 16 fitted to one side of the main shaft 3 , a rotor mounting portion 18 to which the motor rotor 7 is mounted, and a third connecting portion connecting the boss portion 16 and the rotor mounting portion 18 . and a collar portion 19 that is provided continuously on the radially outer side of the rotor mounting portion 18 .
  • the boss portion 16 is provided substantially in the center of the rotating body 4 on the YZ plane, and is composed of a cylindrical member whose axial direction is the X direction.
  • One side of the main shaft 3 is fitted to the inner peripheral surface of the boss portion 16 .
  • the rotating body 4 is rotatably supported by the main shaft 3 with respect to the housing 2 .
  • a sheave 5 which will be described later, is fixed to the outer peripheral surface on the radially outer side of the boss portion 16. As shown in FIG.
  • the rotor mounting portion 18 has an inner diameter that is larger than the outer diameter of the boss portion 16 and is composed of a cylindrical member whose axial direction is the X direction. there is
  • the motor rotor 7 is fixed to the other end of the rotor mounting portion 18 .
  • the motor rotor 7 fixed to the rotor mounting portion 18 is arranged between the motor stator 6 and the outer wall portion 15 of the housing 2 .
  • the third connection portion 17 is provided on the outer peripheral surface of the boss portion 16 so as to extend from a position on the other side of the position where the sheave 5 is attached to one end portion of the rotor attachment portion 18, and is parallel to the YZ plane. It is composed of a plate-shaped member.
  • the other side surface (hereinafter referred to as the inner surface) of the third connecting portion 17 is configured to be closer to one side than the other side end surface of the boss portion 16 . That is, the other side of the boss portion 16 is configured to protrude further toward the housing 2 than the inner surface of the third connecting portion 17 .
  • the third connecting portion 17 is provided with an air intake hole 9, which will be described later, and a rib 20, which will be described later.
  • the flange portion 19 is formed of a plate-like member extending outward from the outer peripheral surface of the outer wall portion 15 of the housing 2 in the radial direction from the other end surface of the rotor mounting portion 18 . A gap between the motor rotor 7 and the outer wall portion 15 of the housing 2 is covered with the flange portion 19 .
  • the sheave 5 is composed of a cylindrical member having an axial direction in the X direction around which the main rope 130 can be wound.
  • the inner peripheral surface of the sheave 5 is fixed to the outer peripheral surface of the boss portion 16 on one side of the boss portion 16 in the X direction on the radially outer side of the boss portion 16 . Since the sheave 5 is fixed to the outer peripheral surface of the boss portion 16 of the rotating body 4 , the sheave 5 rotates with respect to the housing 2 as the rotating body 4 rotates.
  • the motor stator 6 is composed of an iron core and a coil wound around the iron core.
  • a plurality of motor stators 6 are attached to the outer peripheral surface of the stator attachment portion 13 .
  • the plurality of motor stators 6 are arranged at regular intervals, for example, at regular intervals.
  • the motor rotor 7 is made of a member made of a magnetic material, and is fixed to the end surface of the rotor mounting portion 18 on the other side in the X direction. Further, the motor rotor 7 is fixed to the rotor mounting portion 18 so as to face the motor stator 6 mounted on the outer peripheral surface of the stator mounting portion 13 in the radial direction across an air gap.
  • the rib 20 is provided on the inner surface of the third connecting portion 17 of the rotating body 4 so as to protrude toward the housing 2 side. Further, as shown in FIG. 3 , the rib 20 extends from the outer peripheral surface of the boss portion 16 to the inner peripheral surface of the rotor mounting portion 18 on the inner surface of the third connecting portion 17 so as to It extends radially. That is, the rib 20 is provided so as to extend radially outward from the boss portion 16 side. In addition, in this embodiment, the ribs 20 are provided in a plural number symmetrically with respect to the central axis of the main shaft 3 .
  • the other side of the boss portion 16 is configured to protrude toward the housing 2 from the inner surface of the third connecting portion 17, and the rib 20 described above is provided so that the rib 20 and the boss A plurality of regions surrounded by the portion 16 are formed.
  • each region partitioned by the rib 20, the boss portion 16, and the rotor mounting portion 18 serves as an air passage 21 through which air sucked from an air intake hole 9, which will be described later, passes.
  • the width of the rib 20 in the direction along the circumferential direction of the rotating body 4 can be changed in various ways, but is formed to a width that allows the air passage 21 to be sufficiently secured. Further, in this embodiment, the ribs 20 are formed with a constant width in the circumferential direction of the rotating body 4, but the width is not limited to this, and various modifications are possible. Even in this case, the shape is such that the flow of air passing through the ventilation path 21 is not hindered.
  • the air intake holes 9 are holes for sucking air from the outer surface side to the inner surface side of the rotating body 4 , and are provided in plurality so as to pass through the third connecting portion 17 . Further, as shown in FIG. 2, in this embodiment, the plurality of air intake holes 9 are arranged on the circumference of a circle centered on the rotation axis of the main shaft 3 and having a predetermined radius R1. Further, in the present embodiment, the air intake holes 9 are arranged one by one between the adjacent ribs 20 and are formed on the boss portion 16 side in the ventilation path 21 surrounded by the ribs 20 and the boss portion 16. be.
  • the distance R1 from the center of the main shaft 3 to the air intake hole 9 is set to be smaller than the distance R2 from the center of the main shaft 3 to the air discharge hole 10, which will be described later.
  • the intake hole 9 is provided so as not to overlap the exhaust hole 10 in the direction parallel to the central axis of the main shaft 3 .
  • the intake hole 9 has a circular shape as shown in FIG. 2, but it is not limited to this, and can be configured in a rectangular shape or other various shapes.
  • the size of the intake hole 9 may be any size that does not hinder the generation of differential pressure between the inner surface side and the outer surface side of the rotating body 4 due to the centrifugal force caused by the rotation of the rotating body 4. is appropriately set depending on the size of
  • the exhaust hole 10 is a hole for exhausting air from the side of the housing 2 on which the motor stator 6 is provided to the opposite side.
  • a plurality of exhaust holes 10 are provided so as to pass through the second connecting portion 14 .
  • a plurality of exhaust holes 10 are provided on the circumference of a circle having a predetermined radius R2 centered on the rotation axis of the main shaft 3, and the stator mounting portion It is provided at a position facing the gap between the motor stators 6 attached to the outer peripheral surface of 13 .
  • the distance R2 from the center of the main shaft 3 to the exhaust hole 10 is set to be larger than the distance R1 from the center of the main shaft 3 to the air intake hole 9 .
  • the shape of the exhaust hole 10 is not particularly limited, it may be formed in a rectangular slit shape or in a circular shape like the intake hole 9 shown in FIG. 3, and may be configured in various shapes.
  • Winding Machine Cooling Mechanism due to the centrifugal force generated by the rotation of the rotating body 4, on the inner surface side of the rotating body 4, in the ventilation path 21, the radius of the rotating body 4 from the rotation axis side of the main shaft 3 Air movement occurs in an outward direction. This air movement occurs along the extending direction of the ribs 20 . As a result, the pressure on the central axis side of the main shaft 3 decreases on the inner surface side of the rotating body 4 , and a pressure difference is generated between the outer surface side and the inner surface side of the rotating body 4 on the central axis side of the main shaft 3 . That is, due to the rotation of the rotating body 4 , the inner surface of the rotating body 4 near the intake hole 9 becomes a negative pressure with respect to the air pressure on the outer surface of the rotating body 4 .
  • the air flowing in the ventilation path 21 in the direction away from the rotation axis of the rotating body 4 passes between the motor rotor 7 and the motor stator 6 or between the adjacent motor stators 6 and moves toward the housing 2 side. flow to Then, in the vicinity of the exhaust hole 10 of the second connecting portion 14 of the housing 2, air flows in from the side of the rotating body 4, and the pressure rises. A pressure difference occurs between That is, due to the rotation of the rotating body 4 , the pressure on the inner surface of the housing 2 near the exhaust hole 10 becomes positive with respect to the air pressure on the outer surface of the housing 2 .
  • the air is sucked from the outer surface side through the air intake hole 9 because the inner surface side near the air intake hole 9 has a negative pressure with respect to the outside air.
  • the air on the inner surface side of the housing 2 is exhausted to the outer surface side because the inner surface side near the exhaust hole 10 has a positive pressure with respect to the outside air.
  • the pressure distribution is formed such that the inner surface near the intake hole 9 has a negative pressure and the inner surface near the exhaust hole 10 has a more positive pressure than the outside air. Therefore, cooling air can always flow inside the hoisting machine 100 while the rotating body 4 is rotating.
  • the pressure distribution near the intake hole 9 and the exhaust hole 10 caused by the rotation of the rotor 4 does not depend on the direction of rotation of the rotor 4 . That is, even if the rotation direction of the rotating body 4 is different, the same pressure distribution occurs. Thus, in the hoisting machine 100 of the present embodiment, stable cooling air can flow inside the hoisting machine 100 regardless of the rotation direction of the rotating body 4 .
  • ribs 20 are formed on the back side of the rotating body 4 . Therefore, since the air on the inner surface side of the rotating body 4 flows along the radial direction of the ribs 20 , the air also flows radially on the inner surface side of the rotating body 4 . In this embodiment, by providing a plurality of ribs 20 axially symmetrically, the air flows radially along the axially symmetrical ventilation paths 21, so that the air flow can be stabilized.
  • the size and number of air intake holes 9, the size and number of air discharge holes 10 are determined so that the pressure distribution inside and outside the hoisting machine 100 becomes the pressure distribution described above. As long as it is designed, it can take various forms. That is, with the rotation of the rotating body 4, the pressure distribution is formed so that the inner surface near the intake hole 9 becomes negative pressure and the inner surface near the exhaust hole 10 becomes more positive than the outer air. Just do it.
  • the exhaust holes 10 are provided at positions facing the gaps between the adjacent motor stators 6 .
  • the air flowing between the motor stators 6 can be exhausted to the outside, and the motor stators 6 can be efficiently cooled.
  • the ribs 20 are provided axially symmetrically, but this is not the only option. Even if the ribs 20 are not axially symmetrical, they may have a shape that can guide the air flowing radially outward from the central axis side of the main shaft 3 on the inner surface side of the third connecting portion 17 . By providing the ribs 20 axially symmetrically as in the present embodiment, the air flows evenly in the radial direction on the inner surface side of the third connecting portion 17, so that the air can flow efficiently.
  • an air intake hole 9 is provided at a position near the rotation axis of the rotating body 4
  • an exhaust hole 10 is provided at a position facing the gap between the motor stators 6 of the housing 2, and the diameter R1 of the row of the air intake holes 9 is set to , the diameter R2 of the hole row of the exhaust holes 10 can be made smaller to create an air flow inside the hoisting machine 200 where the differential pressure is generated. Then, the differential pressure in the hoisting machine 200 generated with the rotation of the rotating body 4 can be used to flow the cooling air.
  • the air intake hole 9 is provided in the third connecting portion 17, but the position where the air intake hole 9 is formed is the distance R1 from the central axis of the main shaft 3 to the air intake hole 9. If the position is smaller than the distance R2 from the shaft to the exhaust hole 10, it is not limited to this.
  • the position of the intake holes 9 is arranged at a position different from that of the first embodiment.
  • FIG. 4 is a cross-sectional block diagram along the direction orthogonal to the rotating surface of the winding machine 200 which concerns on the 2nd Embodiment of this invention.
  • FIG. 5 is a cross-sectional configuration diagram of the hoist 200 of FIG. 4, taken along the line BB, viewed in the direction of the arrow. 5 shows a cross-sectional view at a position different from that in FIG. 3 in order to make the position of the intake hole 30 easier to understand.
  • the hoisting machine 200 in this embodiment is also applicable to the elevator 1 shown in FIG. 1, like the first embodiment.
  • parts corresponding to those in FIGS. 2 and 3 are denoted by the same reference numerals, and repeated explanations are omitted.
  • the air intake holes 30 are provided in the boss portion 16 of the rotating body 4, and are arranged in plurality on the circumference of a circle having a predetermined radius R3 centered on the rotation axis of the main shaft 3. .
  • the intake hole 30 is composed of a long hole portion 30a and a horizontal hole portion 30b.
  • the long hole portion 30 a is formed in the boss portion 16 in parallel with the rotation axis of the main shaft 3 from the outer surface side to the inner surface side of the rotor 4 .
  • the horizontal hole portion 30b is provided in a direction orthogonal to the rotation axis of the main shaft 3 from the side peripheral surface side of the boss portion 16, and communicates the long hole portion 30a and the air passage 21 with each other.
  • the air sucked from the intake hole 30 flows into the air passage 21 through the long hole portion 30a and the horizontal hole portion 30b.
  • the area surrounded by the ribs 20 and the boss portions 16 on the back side of the rotating body 4 serves as the air passage 21 .
  • the air sucked from the air intake hole 30 flows into the air passage 21 from the horizontal hole portion 30 b provided in the boss portion 16 .
  • the centrifugal force generated by the rotation of the rotor 4 causes the air on the side closer to the rotation axis of the main shaft 3 to flow radially outward on the inner surface side of the rotor 4. .
  • the air near the boss portion 16 of the ventilation passage 21 flows radially outward of the rotating body 4, so that the pressure near the intake hole 30 becomes negative compared to the outside air. Therefore, air is further sucked from the intake hole 30 and flows to the exhaust hole 10 side through the ventilation path 21 .
  • the cooling air can flow inside the hoisting machine 200 as the rotating body 4 rotates.
  • cooling air can be sent to the inside of the hoisting machine in the same direction regardless of the ascending/descending direction of the elevator car, unlike the conventional configuration in which the cooling air is sent out using the blower blades having a fluid shape. Therefore, the cooling efficiency can be stabilized.
  • the hoisting machine provided in the elevator provided with the machine room has been described, but the hoisting machine of the present invention can also be applied to an elevator without a machine room.
  • the outer rotor type hoisting machine was described as an example, but the present invention can also be applied to an inner rotor type hoisting machine.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

La présente invention comprend : un trou d'évacuation d'air qui est disposé dans un carter et qui permet l'évacuation d'air à partir du côté du carter où un stator est disposé sur le côté opposé du carter ; et une nervure saillante disposée sur la surface interne d'un corps rotatif de façon à faire saillie vers le carter, la nervure étant disposée de manière à s'étendre radialement par rapport à l'axe central d'un arbre principal. Le corps rotatif est également pourvu d'un trou d'aspiration d'air à travers lequel de l'air est aspiré depuis le côté surface externe du corps rotatif vers son côté surface interne, le trou d'aspiration d'air étant disposé dans une position telle que la distance de l'axe central de l'arbre principal au trou d'aspiration d'air est inférieure à la distance de l'axe central de l'arbre principal au trou d'évacuation d'air.
PCT/JP2021/004543 2021-02-08 2021-02-08 Machine de levage et ascenseur WO2022168298A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2021/004543 WO2022168298A1 (fr) 2021-02-08 2021-02-08 Machine de levage et ascenseur
JP2022579289A JPWO2022168298A1 (fr) 2021-02-08 2021-02-08
CN202180092584.8A CN116963987A (zh) 2021-02-08 2021-02-08 卷扬机以及电梯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/004543 WO2022168298A1 (fr) 2021-02-08 2021-02-08 Machine de levage et ascenseur

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WO2022168298A1 true WO2022168298A1 (fr) 2022-08-11

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PCT/JP2021/004543 WO2022168298A1 (fr) 2021-02-08 2021-02-08 Machine de levage et ascenseur

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CN (1) CN116963987A (fr)
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001258210A (ja) * 2000-03-13 2001-09-21 Mitsubishi Electric Corp エレベーター用ギヤレス巻上機
JP2006081305A (ja) * 2004-09-09 2006-03-23 Mitsubishi Electric Corp エレベータ用トロイダル巻線モータ
JP2007330076A (ja) * 2006-06-09 2007-12-20 Max Co Ltd ブラシレスモータ
JP2013009461A (ja) * 2011-06-22 2013-01-10 Hitachi Ltd エレベータ装置用巻上機
JP2015229587A (ja) * 2014-06-06 2015-12-21 三菱電機株式会社 エレベータ用巻上機
JP2016105668A (ja) * 2014-12-01 2016-06-09 株式会社日立製作所 電動機及びエレベータ装置用巻上機
WO2020053968A1 (fr) * 2018-09-11 2020-03-19 三菱電機株式会社 Machine de levage d'ascenseur

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001258210A (ja) * 2000-03-13 2001-09-21 Mitsubishi Electric Corp エレベーター用ギヤレス巻上機
JP2006081305A (ja) * 2004-09-09 2006-03-23 Mitsubishi Electric Corp エレベータ用トロイダル巻線モータ
JP2007330076A (ja) * 2006-06-09 2007-12-20 Max Co Ltd ブラシレスモータ
JP2013009461A (ja) * 2011-06-22 2013-01-10 Hitachi Ltd エレベータ装置用巻上機
JP2015229587A (ja) * 2014-06-06 2015-12-21 三菱電機株式会社 エレベータ用巻上機
JP2016105668A (ja) * 2014-12-01 2016-06-09 株式会社日立製作所 電動機及びエレベータ装置用巻上機
WO2020053968A1 (fr) * 2018-09-11 2020-03-19 三菱電機株式会社 Machine de levage d'ascenseur

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CN116963987A (zh) 2023-10-27
JPWO2022168298A1 (fr) 2022-08-11

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