WO2021006139A1 - 電動アクチュエータ及びその取り付け構造、並びに弁体駆動装置 - Google Patents

電動アクチュエータ及びその取り付け構造、並びに弁体駆動装置 Download PDF

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Publication number
WO2021006139A1
WO2021006139A1 PCT/JP2020/025785 JP2020025785W WO2021006139A1 WO 2021006139 A1 WO2021006139 A1 WO 2021006139A1 JP 2020025785 W JP2020025785 W JP 2020025785W WO 2021006139 A1 WO2021006139 A1 WO 2021006139A1
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WO
WIPO (PCT)
Prior art keywords
peripheral surface
electric actuator
inner peripheral
motor case
seal ring
Prior art date
Application number
PCT/JP2020/025785
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English (en)
French (fr)
Japanese (ja)
Inventor
克英 矢島
高徳 大川
浩成 勝呂
Original Assignee
日本電産サンキョー株式会社
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 日本電産サンキョー株式会社 filed Critical 日本電産サンキョー株式会社
Priority to CN202080049248.0A priority Critical patent/CN114097164B/zh
Publication of WO2021006139A1 publication Critical patent/WO2021006139A1/ja

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa

Definitions

  • the present invention relates to an electric actuator, a mounting structure thereof, and a valve body driving device.
  • valve body driving device for opening and closing the flow path of gas or liquid.
  • This valve body driving device drives the valve body by an electric actuator, and adjusts the flow amount of the fluid by being attached to a member or the like constituting a flow path through which a fluid such as a liquid or a gas flows.
  • This valve body drive device is used, for example, as an idle air control valve (IACV) or an electronically controlled suspension.
  • IACV idle air control valve
  • Patent Document 1 a linear motion mechanism described in Patent Document 1 is known.
  • the linear motion mechanism described in Patent Document 1 converts the rotational power of the motor into the advancing / retreating motion of the linear motion member in the axial direction and outputs the motor.
  • the linear motion mechanism described in Patent Document 1 includes a motor, a guide member, and a linear motion member.
  • the motor protrudes outward from the casing and the casing, and a male screw is formed on the outer peripheral surface of the rotary shaft.
  • the linear motion member integrated with the female screw member is advanced and retreated.
  • the linear motion mechanism includes a resin base member integrally with the casing of the motor. By fixing this base member to a member constituting the flow path to be mounted, the linear motion member is arranged in the flow path, and the linear motion member moves forward and backward by driving the motor, thereby moving in the flow path. The flow volume of the flowing fluid is adjusted.
  • the present invention has been made in view of such circumstances, and an object of the present invention is to provide an electric actuator capable of improving heat dissipation of a motor, a mounting structure thereof, and a valve body driving device.
  • the electric actuator of the present invention includes a motor having a metal motor case that accommodates a rotor and a stator integrated with a rotating shaft and has a cylindrical outer peripheral surface, a resin base member that holds the motor, and the like.
  • the base member is integrated with a support portion having an end portion of the motor case fixed and an outer peripheral surface formed in a columnar shape coaxial with the rotation axis and the support portion on the opposite side of the motor case. It has a base portion which is formed in the above and projects radially outward from the support portion, and a seal ring is fitted on the outer periphery of the support portion.
  • the motor case is made of metal and only its end is fixed to the base member, heat can be dissipated from the exposed outer peripheral surface of the motor case.
  • the seal ring is provided on the outer periphery of the motor case, heat dissipation from the motor case will be hindered.
  • the seal ring is fitted in the support portion of the base member, the seal ring is used for the motor case. It is possible to suppress a decrease in heat dissipation.
  • the base member is made of resin and does not have a higher temperature than the motor case, the seal ring does not need to be made of a highly heat-resistant material, and the manufacturing cost of the seal ring can be reduced.
  • the mounting structure of the electric actuator of the present invention is a mounting structure in which the electric actuator is mounted on a metal fixing member, and the fixing member positions the motor case protruding from the base member in the radial direction.
  • a first accommodating portion having a cylindrical first inner peripheral surface capable of accommodating the base portion and a receiving surface with which the mounting surface of the base portion on the motor case side abuts, and the seal ring comprises the fixing member and the base. It is provided in a sealed state between the members.
  • the mounting surface of the base member on the motor case side comes into contact with the receiving surface of the fixing member and a seal ring is provided between the base member and the fixing member, these can be reliably sealed, for example, fixing.
  • a fluid such as a liquid or a gas is flowing through the member, leakage of the fluid from the fixing member can be prevented.
  • the motor case is positioned in the radial direction by the first inner peripheral surface of the first accommodating portion, the gap between the first inner peripheral surface of the first accommodating portion and the outer peripheral surface of the motor case is small. Therefore, the heat of the motor can be efficiently transferred from the outer peripheral surface of the motor case to the first inner peripheral surface of the first accommodating portion of the fixing member.
  • the seal ring is also provided between the fixing member and the base member, heat dissipation from the motor case is not hindered. This promotes heat dissipation from the fixing member.
  • the fixing member is continuously formed in the first accommodating portion, has a diameter larger than the first inner peripheral surface of the first accommodating portion, and has the seal.
  • a second accommodating portion having a tubular second inner peripheral surface capable of accommodating the ring is further provided, and the seal ring is held in a radial pressing state by the outer peripheral surface of the support portion and the second inner peripheral surface. It is good.
  • the seal ring housed in the second accommodating portion is placed between at least one of the base member and the fixing member in the axial direction of the rotating shaft. It is good that a gap is formed in.
  • the seal ring presses in the mounting direction of the electric actuator. It can be prevented from being damaged, and the installation workability can be further improved. In addition, the crushing rate of the seal ring is also easy to manage with an appropriate value.
  • the support portion has a diameter larger than that of the motor case, and the fixing member is placed between the second accommodating portion and the first accommodating portion.
  • a third accommodating portion having a tubular third inner peripheral surface capable of accommodating the tip end portion of the support portion is further provided, and the inner diameter of the third inner peripheral surface is larger than the inner diameter of the first inner peripheral surface, and It is preferable that the inner diameter is set smaller than the inner diameter of the second inner peripheral surface.
  • the seal ring is formed between the second inner peripheral surface of the second accommodating portion and the supporting portion.
  • a first gap is formed between the third inner peripheral surface and the outer peripheral surface of the support portion, and the first gap is the first inner peripheral surface. It is preferable that it is larger than the gap between the motor case and the outer peripheral surface of the motor case.
  • the first gap is larger than the gap between the first inner peripheral surface and the outer peripheral surface of the motor case, the first inner peripheral surface is not hindered by the insertion of the support portion into the third accommodating portion. And the outer peripheral surface of the motor case ensure radial positioning with respect to the fixing member.
  • a second gap is formed between the tip surface of the third accommodating portion and the tip surface of the support portion.
  • the fixing member is not hindered by the insertion of the support portion into the third housing portion.
  • the mounting surface of the base can be securely mounted on the receiving surface of the.
  • the valve body driving device of the present invention includes the electric actuator and a valve body that can be moved along the axial direction of the rotating shaft by driving the electric actuator.
  • valve body drive device since the valve body drive device includes the above electric actuator, when the valve body drive device is attached to the fixing member, the fixing member and the valve body drive device can be sealed and fixed, and the valve body drive can be performed.
  • the positioning and heat dissipation of the device can be improved. Therefore, it can be suitably used as an idle air control valve (IACV) or an electronically controlled suspension.
  • IACV idle air control valve
  • an electric actuator capable of improving heat dissipation of a motor, a mounting structure thereof, and a valve body driving device.
  • FIG. 3 is an enlarged view showing a part of a cross-sectional view showing a mounting structure of the valve body driving device shown in FIG. It is a perspective view which shows the valve body drive device which concerns on the modification of the said embodiment.
  • the rotation center axis of the rotation shaft 311 of the motor 31 is defined as the axis L
  • the direction in which the rotation center axis of the rotation shaft 311 extends is defined as the axis L direction.
  • one side on which the rotating shaft 311 protrudes is referred to as an output side L1
  • the side opposite to the side on which the rotating shaft 311 protrudes is referred to as a counter-output side L2.
  • This embodiment is an embodiment in which the valve body driving device 10 is attached to the flow path constituent member 51 of the idle air control valve (IACV) or the flow rate control device used as the electronically controlled suspension, and the flow of the flow path constituent member 51. It controls the flow rate of a fluid such as a liquid or a gas flowing through the path 510.
  • IACV idle air control valve
  • the flow rate control device used as the electronically controlled suspension
  • the valve body driving device 10 uses an electric actuator 30 as a driving source, and includes a valve body 20 that moves by driving the electric actuator 30.
  • the tip of the valve body 20 is formed in a shape in which the central portion of the conical surface protrudes in the tip direction (output side L1).
  • the mechanism for moving the valve body 20 of the valve body driving device 10 is, for example, similar to the linear motion mechanism described in Patent Document 1, a female screw member screwed with a male screw of a rotary shaft of a motor is rotated by a guide member.
  • the valve body 20 integrated with the female screw member is advanced and retracted by guiding the valve body 20 along the L direction of the axis.
  • the electric actuator 30 includes a motor 31 and a resin base member 32. Further, the electric actuator 30 is provided with a seal ring 40 on the base member 32, which is in a pressed state when attached to the flow path constituent member 51.
  • the motor 31 accommodates a rotor (not shown) and a stator (not shown) integrated with the rotating shaft 311 and has a metal motor case 312 having a cylindrical outer peripheral surface. It has.
  • the motor case 312 is made of, for example, a metal such as a steel plate, and has a cylindrical peripheral wall 313 and an end plate 314 integrated with the tip side (output side L1) of the peripheral wall 313.
  • the rotation shaft 311 extends in a direction (axis L direction) in which the tip end portion of the output side L1 is orthogonal to the end plate 314 of the motor case 312.
  • the end portion (not shown) of the motor case 312 opposite to the end plate 314 (opposite output side L2) is fixed to the base member 32 in a buried state.
  • the base member 32 is a resin member integrally formed with the motor case 312 by insert molding.
  • the outer peripheral surface of the end portion of the peripheral wall 313 opposite to the end plate 314 (opposite output side L2) was exposed in the injection molding die, and the other portion was held.
  • the resin is integrally molded around the exposed end portion, so that the base member 32 is integrally formed with the motor case 312.
  • the base member 32 fixes the end portion of the motor case 312 on the side opposite to the end plate 314 (opposite output side L2), and the support portion 321 whose outer peripheral surface is formed in a columnar shape coaxial with the rotation shaft 311.
  • a portion 323 and a connector connecting portion 324 connected to the side surface of the main body portion 323 are provided.
  • the surface of the base portion 322 on the motor case 312 side (output side L1) is a mounting surface 320 for the flow path component 51.
  • the outer diameter of the support portion 321 is formed to be larger than the outer diameter of the motor case 312.
  • a seal ring 40 is fitted on the outer peripheral surface of the support portion 321.
  • the outer peripheral surface of the base portion 322 is formed in a columnar shape like the outer peripheral surface of the support portion 321 and is arranged coaxially with the rotation shaft 311.
  • the outer diameter of the base portion 322 is formed to be larger than the outer diameter of the support portion 321.
  • the main body 323 is a member whose outer peripheral surface is partially formed in a cylindrical shape.
  • a hollow connector connecting portion 324 extending in a direction orthogonal to the axis L direction of the rotating shaft 311 is connected to the side surface of the main body portion 323.
  • Wiring for energizing the motor 31 (not shown) is provided inside the main body 323 and the connector connecting portion 324, and is connected to the external wiring via a connector (not shown) attached to the connector connecting portion 324. Will be done.
  • the seal ring 40 is made of a rubber O-ring or the like. As shown in FIGS. 1 and 2, the seal ring 40 is fitted on the outer peripheral surface of the support portion 321. In the present embodiment, the surface of the seal ring 40 on the non-output side L2 is in contact with the mounting surface 320. As shown in FIG. 3, the seal ring 40 is a member provided to seal the flow path constituent member 51 when the valve body driving device 10 is fixed to the flow path constituent member 51 described later. is there.
  • the length of the support portion 321 in the axis L direction is sufficiently larger than the diameter (wire diameter or thickness) of the seal ring 40. For example, it may be set as large as 1.2 times or more the diameter of the seal ring 40.
  • the flow path component 51 to which the valve body driving device 10 is attached corresponds to the fixing member of the present invention, and as shown in FIG. 3, a cylinder in which a flow path 510 through which a fluid such as gas or liquid flows is formed. It is formed in a shape.
  • An opening 511 having a circular cross section is formed at the end of the flow path constituent member 51.
  • a through hole is formed on the outer peripheral surface of the tubular flow path component 51 in a direction orthogonal to the flow path 510, and the through hole is opened through the flow path 510.
  • the fluid flows toward the section 511.
  • the fluid flows from the through hole to the opening 511 via the flow path 510, but the present invention is not limited to this, and the fluid is directed from the opening 511 to the through hole through the flow path 510. Fluid may flow.
  • the valve body driving device 10 is attached to the side opposite to the opening 511 of the flow path constituent member 51, and the attachment direction thereof is the flow path constituent member 51 along the axis L direction with the valve body 20 at the tip.
  • the valve body 20 that is attached and faces the output side L1 in the axis L direction is arranged so as to face the opening 511.
  • the flow path component 51 is formed of a metal such as an aluminum alloy, and has a cylindrical first inner peripheral surface 521 capable of accommodating a motor case 312 protruding from a base member 32 to which the valve body driving device 10 is attached. It is located between the first accommodating portion 52, the second accommodating portion 53 having the tubular second inner peripheral surface 531 capable of accommodating the seal ring 40, and the second accommodating portion 53 and the first accommodating portion 52. It includes a third accommodating portion 54 having a tubular third inner peripheral surface 541 capable of accommodating the tip end portion of the support portion 321 and a receiving surface 55 to which the mounting surface 320 of the base portion 322 abuts. That is, the third accommodating portion 54, the second accommodating portion 53, and the receiving surface 55 are formed in this order from the first accommodating portion 52 in the direction opposite to the opening 511.
  • the first accommodating portion 52 is provided coaxially with the opening 511, and a flow path 510 is formed between the first accommodating portion 52 and the opening 511.
  • the flow path 510 is formed in a circular cross section, its end portion is continuous with the first accommodating portion 52, and the other end portion is communicated with the opening portion 511.
  • the valve body 20 is arranged in the flow path 510.
  • the inner diameter of the first inner peripheral surface 521 of the first accommodating portion 52 is formed to be larger than the inner diameter of the opening 511, and is formed to be the same as or slightly larger than the outer diameter of the motor case 312. Therefore, when the motor case 312 is accommodated, the first accommodating portion 52 positions the motor case 312 in the radial direction and accommodates the motor case 312. Specifically, the outer peripheral surface of the peripheral wall 313 of the motor case 312 and the first inner peripheral surface 521 are positioned in the radial direction, and the outer peripheral surface of the peripheral wall 313 of the motor case 312 and the first inner peripheral surface 521 come into contact with each other. Or they are placed facing each other with a slight gap.
  • the second accommodating portion 53 is located on the side opposite to the opening 511 from the first accommodating portion 52, and accommodates the seal ring 40.
  • the second accommodating portion 53 is continuously formed in the first accommodating portion 52 via the third accommodating portion 54.
  • the inner diameter of the second inner peripheral surface 531 of the second accommodating portion 53 is formed to be larger than the inner diameter of the first inner peripheral surface 521 of the first accommodating portion 52 and slightly smaller than the outer diameter of the seal ring 40. ..
  • the outer diameter of the support portion 321 into which the seal ring 40 is fitted is formed to be slightly larger than the inner diameter of the seal ring 40. Therefore, the seal ring 40 is pressed in the radial direction between the outer peripheral surface of the support portion 321 and the second inner peripheral surface 521.
  • the third accommodating portion 54 is located between the first accommodating portion 52 and the second accommodating portion 53, and is a portion capable of accommodating the tip end portion of the support portion 321.
  • the inner diameter of the third inner peripheral surface 541 of the third accommodating portion 54 is larger than the inner diameter of the first inner peripheral surface 521 of the first accommodating portion 52, and the inner diameter of the second inner peripheral surface 531 of the second accommodating portion 53. Is set smaller than.
  • FIG. 4 is an enlarged view showing the vicinity of the seal ring 40 in the cross-sectional view showing the mounting structure of the valve body driving device 10 shown in FIG. Since the seal ring 40 is pressed in the radial direction, it is deformed so as to extend in the axis L direction. As shown in FIG. 4, in the second accommodating portion 53 in which the seal ring 40 is accommodated, a gap g3 is formed in the axis L direction between the base member 32 (base portion 322) and the flow path constituent member 51. There is. Therefore, the seal ring 40 is prevented from being pressed in the mounting direction of the valve body driving device 10. In the present embodiment, the gap g3 is formed only on the output side L1 of the seal ring 40, but the present invention is not limited to this, and the gap g3 may be provided separately on both sides in the axis L direction.
  • a first gap g1 is formed between the third inner peripheral surface 541 and the outer peripheral surface of the support portion 321.
  • the first gap g1 is set to be larger than the gap g0 between the first inner peripheral surface 521 and the outer peripheral surface of the peripheral wall 313 of the motor case 312.
  • the outer diameter of the outer peripheral surface of the peripheral wall 313 of the motor case 312 is set to be substantially the same as or slightly smaller than the inner diameter of the first inner peripheral surface 521 of the first accommodating portion 52.
  • a second gap g2 is formed between the tip surface of the third inner peripheral surface 541 and the tip surface of the support portion 321.
  • the base member 32 and the flow path constituent member are attached.
  • a seal ring 40 provided between the seal ring 40 and the 51 can seal the seal ring 40 to prevent the fluid from leaking from the flow path component 51.
  • the seal ring 40 arranged in the second accommodating portion 53 is held in a radial direction by the second inner peripheral surface 531 of the second accommodating portion 53 and the outer peripheral surface of the support portion 321.
  • the flow path constituent member is formed by the first inner peripheral surface 521 and the outer peripheral surface of the peripheral wall 313 of the motor case 312. The radial positioning with respect to 51 is ensured.
  • the seal ring 40 is formed by the outer peripheral surface of the support portion 321 and the second inner peripheral surface 531 of the second accommodating portion 53. Since the support portion 321 is pressed in the radial direction, the reaction force with respect to the mounting direction is small, so that the mounting workability is good.
  • the length of the support portion 321 in the axis L direction is larger than the diameter (wire diameter) of the seal ring 40, and a gap g3 is formed in the axis L direction between the seal ring 40 and the flow path component 51. Therefore, it is possible to prevent the seal ring 40 from being pressed in the mounting direction of the valve body driving device 10, and it is possible to improve the mounting workability. Further, the crushing rate of the seal ring 40 can be easily managed with an appropriate value.
  • the seal ring 40 becomes the first. 2
  • the second inner peripheral surface 531 of the accommodating portion 53 and the outer peripheral surface of the support portion 321 are pressed and deformed, a part of the seal ring 40 enters the first accommodating portion 52 side from the respective gaps g1 and g2. Can be suppressed. This makes it possible to prevent excessive deformation of the seal ring 40 in this mounting structure.
  • valve body drive device By driving the motor 31 of the valve body driving device 10 attached to the flow path component 51, the valve body 20 moves in the flow path 510 in the direction along the axis L direction as shown by the alternate long and short dash line in FIG. Be made to. The movement of the valve body 20 adjusts the flow rate of the fluid flowing through the flow path 510 in the flow path constituent member 51.
  • the motor case 312 since the motor case 312 is made of metal and only the end portion thereof is fixed to the base member 32, heat can be dissipated from the outer peripheral surface of the peripheral wall 313 of the motor case 312.
  • the gap g0 between the outer peripheral surface of the peripheral wall 313 of the motor case 312 and the first inner peripheral surface 521 of the first accommodating portion 52 is extremely small, heat can be quickly transferred between them to promote heat dissipation.
  • the seal ring 40 is provided on the outer peripheral surface of the peripheral wall 313 of the motor case 312, heat dissipation from the motor case 312 is hindered, but the seal ring 40 is fitted into the support portion 321 of the base member 32. Therefore, it is possible to suppress the heat dissipation of the motor case 312 from being hindered by the seal ring 40, and it is possible to improve the heat dissipation of the motor 31.
  • the seal ring 40 does not need to be made of a highly heat-resistant material, and the manufacturing cost of the seal ring 40 can be reduced.
  • FIG. 5 is a perspective view showing a valve body driving device 10A according to a modified example of the above embodiment.
  • the valve body driving device 10A includes a base portion 322A.
  • the base portion 322A is formed in a substantially diamond shape in a plan view extending in a direction orthogonal to the extending direction of the connector connecting portion 324.
  • the vertical and horizontal dimensions of the base portion 322A orthogonal to the axis L direction are formed to be larger than the outer diameter of the support portion 321 as in the base portion 322. In this case, it overhangs more in the horizontal direction than in the vertical direction, and a through hole 325 is formed in the overhanging portion.
  • through holes 325 are provided in the left and right overhanging portions of the base portion 322A. Therefore, by inserting a screw or the like into the through holes 325, the valve body driving device 10A can be more firmly flowed. It can be screwed to the component member 51. Further, a wide mounting surface 320 is secured by the surface of the overhanging portion of the base portion 322A.
  • the seal ring 40 is composed of an O-ring, but the present invention is not limited to this, and the seal ring 40 may be composed of, for example, a plate-shaped gasket.
  • the gasket is not compressed in the radial direction, but the present invention does not exclude the gasket that is pressed in the axis L direction regardless of the shape of the seal ring 40.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
PCT/JP2020/025785 2019-07-05 2020-07-01 電動アクチュエータ及びその取り付け構造、並びに弁体駆動装置 WO2021006139A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202080049248.0A CN114097164B (zh) 2019-07-05 2020-07-01 电动致动器及其安装结构、以及阀芯驱动装置

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Application Number Priority Date Filing Date Title
JP2019-125979 2019-07-05
JP2019125979A JP7360829B2 (ja) 2019-07-05 2019-07-05 電動アクチュエータ及びその取り付け構造、並びに弁体駆動装置

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Citations (6)

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Publication number Priority date Publication date Assignee Title
JP2007028861A (ja) * 2005-07-21 2007-02-01 Mikuni Corp ステッピングモータ及び弁装置
JP2013106409A (ja) * 2011-11-11 2013-05-30 Mitsuba Corp ブラシレスモータ
JP2013207960A (ja) * 2012-03-29 2013-10-07 Nidec Sankyo Corp ギアユニット
JP2017101646A (ja) * 2015-12-04 2017-06-08 株式会社荏原製作所 モータポンプ
JP2018050439A (ja) * 2016-09-23 2018-03-29 株式会社ジェイテクト モータおよび電動パワーステアリング装置
JP2019004597A (ja) * 2017-06-14 2019-01-10 本田技研工業株式会社 回転電機

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KR101699704B1 (ko) * 2009-05-27 2017-01-25 시티에스 코포레이션 보빈을 보유하기 위한 클립을 갖는 무브러시 직류 액추에이터
JP5558219B2 (ja) * 2010-06-16 2014-07-23 東京パーツ工業株式会社 モータアクチュエータ
CN103516068B (zh) * 2012-06-14 2017-12-08 舍弗勒技术股份两合公司 电机和相应的具有构造为电动机的电机的流体静力激励器
JP6562794B2 (ja) * 2015-09-16 2019-08-21 三菱電機株式会社 アクチュエータ
DE102016222815A1 (de) * 2016-11-18 2018-05-24 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Getriebeaktuator
JP6922929B2 (ja) * 2016-11-23 2021-08-18 日本電産株式会社 モータ及び電動パワーステアリング装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007028861A (ja) * 2005-07-21 2007-02-01 Mikuni Corp ステッピングモータ及び弁装置
JP2013106409A (ja) * 2011-11-11 2013-05-30 Mitsuba Corp ブラシレスモータ
JP2013207960A (ja) * 2012-03-29 2013-10-07 Nidec Sankyo Corp ギアユニット
JP2017101646A (ja) * 2015-12-04 2017-06-08 株式会社荏原製作所 モータポンプ
JP2018050439A (ja) * 2016-09-23 2018-03-29 株式会社ジェイテクト モータおよび電動パワーステアリング装置
JP2019004597A (ja) * 2017-06-14 2019-01-10 本田技研工業株式会社 回転電機

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CN114097164B (zh) 2024-01-19
JP7360829B2 (ja) 2023-10-13
CN114097164A (zh) 2022-02-25
JP2021013240A (ja) 2021-02-04

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