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WO2016129261A1 - Solénoïde linéaire - Google Patents

Solénoïde linéaire Download PDF

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Publication number
WO2016129261A1
WO2016129261A1 PCT/JP2016/000608 JP2016000608W WO2016129261A1 WO 2016129261 A1 WO2016129261 A1 WO 2016129261A1 JP 2016000608 W JP2016000608 W JP 2016000608W WO 2016129261 A1 WO2016129261 A1 WO 2016129261A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
plunger
coil
core
linear solenoid
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2016/000608
Other languages
English (en)
Japanese (ja)
Inventor
明孝 平野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Publication of WO2016129261A1 publication Critical patent/WO2016129261A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures

Definitions

  • This disclosure relates to linear solenoids.
  • Patent Document 1 A technique disclosed in Patent Document 1 is known as a linear solenoid in which a plunger is disposed inside a coil.
  • the linear solenoid of Patent Document 1 is provided with a magnetic attraction core, a magnetic blocker, and a magnetic delivery core as a single component.
  • the magnetic attraction core magnetically attracts the plunger facing the plunger in the axial direction.
  • the magnetic delivery core has a cylindrical shape covering the periphery of the plunger, and delivers the magnetic flux in the radial direction to the plunger.
  • the magnetic shielding part is a thin magnetic saturation part that inhibits magnetic flux from flowing directly between the magnetic attraction core and the magnetic delivery core.
  • the linear solenoid disclosed in Patent Document 1 has a structure in which a magnetic attraction core and a magnetic delivery core are inserted and arranged inside a coil bobbin, and a plunger is arranged inside the magnetic attraction core and the magnetic delivery core.
  • the outer diameter dimension of the plunger is reduced by the thickness dimension of the magnetic attraction core and the magnetic delivery core inserted and arranged inside the bobbin.
  • the magnetic path area of a plunger is restrict
  • the present disclosure has been made in view of the above points, and an object of the present disclosure is to provide a linear solenoid capable of increasing the outer diameter of a plunger disposed inside a coil.
  • the linear solenoid of the present disclosure includes a coil, a plunger, a magnetic suction core, and a magnetic delivery core.
  • the coil generates a magnetic force when energized.
  • the plunger is supported so as to be movable in the axial direction inside the coil.
  • the magnetic attraction core magnetically attracts the plunger in the axial direction by the magnetic force generated by the coil.
  • the magnetic delivery core delivers magnetic flux to and from the outer peripheral surface of the plunger.
  • a cylindrical, non-magnetic sliding bearing extending in the axial direction is fixedly arranged at the center inside the coil.
  • a non-magnetic shaft that is inserted inside the sliding bearing and is in sliding contact with the sliding bearing is fixed to the shaft core of the plunger.
  • One end of the slide bearing is fixed to the magnetic attraction core.
  • the present disclosure can increase the outer diameter of the plunger arranged inside the coil by adopting a configuration in which a shaft fixed to the plunger core is supported by a sliding bearing fixed to the magnetic attraction core. become. Thereby, the magnetic path area of the plunger can be increased, and the magnetic attractive force of the plunger can be increased.
  • FIG. 1 A first embodiment will be described with reference to FIG.
  • the left side of FIG. 1 is referred to as the left and the right side of FIG. 1 is referred to as the right.
  • the linear solenoid according to the first embodiment is used, for example, as an electromagnetic hydraulic control valve mounted on a hydraulic control device of an automatic transmission.
  • the electromagnetic hydraulic control valve is a hydraulic control valve (for example, a spool valve, a ball valve, etc.). ) And a linear solenoid are provided in the axial direction.
  • the hydraulic control valve is, for example, a normally closed type or a normally open type three-way valve, and is configured using a valve housing A (sleeve or the like) and a valve body B (spool or the like).
  • the hydraulic control valve is not limited to the above three-way valve.
  • a return spring for returning the valve body B of the hydraulic control valve and the plunger 2 described later to the initial position (right side) is provided in the hydraulic control valve.
  • the linear solenoid includes a coil 1, a plunger 2, a magnetic attraction core 3, a magnetic delivery core 4, a yoke 5, a plain bearing 6, and a shaft 7.
  • Coil 1 generates magnetic force when energized.
  • the plunger 2 is supported so as to be movable in the axial direction (left-right direction) inside the coil 1 (within the axial range).
  • the magnetic attraction core 3 magnetically attracts the plunger 2 in the axial direction (left direction) by the magnetic force generated by the coil 1.
  • the magnetic delivery core 4 delivers the magnetic flux in the radial direction to the outer peripheral surface (radial outer surface) of the plunger 2.
  • the yoke 5 covers the periphery of the coil 1 and is magnetically coupled to the magnetic attraction core 3 and the magnetic delivery core 4.
  • the plain bearing 6 is non-magnetic, is fixedly disposed at the center inside the coil 1 and extends in the axial direction.
  • the shaft 7 is nonmagnetic, is fixed to the axis of the plunger 2, is inserted inside the sliding bearing 6, and is in sliding contact with the sliding bearing 6.
  • the coil 1 is obtained by winding a large number of conductive wires (such as enamel wires) with an insulating coating around a resin bobbin 8.
  • the coil 1 generates a magnetic force when energized, and forms a magnetic flux loop that passes through the stator (the magnetic attraction core 3, the magnetic delivery core 4, and the yoke 5) and the mover (the plunger 2) by the generated magnetic flux.
  • the coil 1 is energized through the connector 9.
  • the connector 9 is a connection part that makes an electrical connection via a connection line with an electronic control unit (AT-ECU not shown) that controls the electromagnetic hydraulic control valve.
  • the connector 9 is formed by a part of a secondary molding resin for molding the coil 1, and terminal terminals respectively connected to both ends of the coil 1 are arranged inside the resin connector 9.
  • the plunger 2 is made of a magnetic metal (for example, a ferromagnetic material such as iron) and has a substantially cylindrical shape.
  • the plunger 2 is inserted (inserted) inside the coil 1.
  • the outer diameter of the plunger 2 is slightly smaller than the inner diameter of the metal cylinder 14 to be described later, and the plunger 2 is provided so that the outer peripheral surface (radial outer surface) of the plunger 2 is not in contact with the metal cylinder 14 as much as possible. ing.
  • a cylindrical cylindrical hole into which the slide bearing 6 is inserted is formed inside the plunger 2.
  • This cylindrical hole is a round hole with a constant inner diameter drilled from the left end surface of the plunger 2 toward the right side of the plunger 2, and the inner diameter dimension thereof is slightly larger than the outer diameter dimension of the slide bearing 6.
  • the inner peripheral surface of the cylindrical hole and the outer peripheral surface of the slide bearing 6 may slide directly.
  • a minute gap may be formed between the plunger 2 (the inner peripheral surface of the cylindrical hole) and the outer peripheral surface of the sliding bearing 6. good.
  • the magnetic attraction core 3 (not including a cylinder portion 3a described later) is disposed only outside the axial range of the coil 1.
  • the outside of the axial range refers to a range that does not overlap the coil 1 in the axial direction.
  • the magnetic attraction core 3 (not including a cylinder portion 3 a described later) is disposed on the left side of the coil 1.
  • the magnetic attraction core 3 is made of a magnetic metal (for example, a ferromagnetic material such as iron) and has a substantially disk shape.
  • the magnetic attraction core 3 is fixed to the left end of the yoke 5 by a coupling technique such as caulking, and magnetically attracts the plunger 2 to the left side.
  • a gap for magnetic attraction is formed between the plunger 2 and the magnetic attraction core 3 in the axial direction.
  • the magnetic attraction core 3 is provided with a cylindrical portion 3a that can cross (overlap) the outer peripheral surface of the left end of the plunger 2 in the axial direction.
  • the outer peripheral surface of the cylindrical portion 3a is a tapered surface that decreases in diameter toward the right side.
  • the magnetic delivery core 4 is independent of the magnetic attraction core 3 and is disposed only outside the axial range of the coil 1. In the present embodiment, the magnetic delivery core 4 is disposed on the right side of the coil 1.
  • the magnetic delivery core 4 is formed of a magnetic metal (for example, a ferromagnetic material such as iron) in a substantially annular shape, and is magnetically coupled to the bottom portion (cup bottom) 5a of the yoke 5 having a cup shape.
  • the inner diameter of the magnetic delivery core 4 is larger than the outer diameter of the plunger 2. Therefore, a side gap is formed between the radially inner surface of the magnetic delivery core 4 and the radially outer surface of the plunger 2.
  • the magnetic delivery core 4 is provided so as to be slidable in the radial direction with respect to the yoke 5 while being in contact with the yoke 5. Details thereof will be described later.
  • the magnetic delivery core 4 may be fixed to the yoke 5.
  • the yoke 5 is made of a magnetic metal (for example, a ferromagnetic material such as iron) and flows a magnetic flux covering the periphery of the coil 1.
  • the yoke 5 has a cup shape opened in the left direction in this embodiment.
  • the yoke 5 includes a cylindrical portion that covers the outer periphery of the coil 1 and a bottom portion 5a that closes the right end of the cylindrical portion.
  • ⁇ Linear solenoid components are built into the yoke 5.
  • the valve housing A of the hydraulic control valve is assembled to the left end of the yoke 5 in a state where the components are assembled, and the claw portion 5b formed at the left end of the yoke 5 is crimped.
  • the linear solenoid is assembled, and the linear solenoid and the hydraulic control valve are coupled.
  • the sliding bearing 6 is a non-magnetic metal bearing having a cylindrical shape, and each of the outer diameter dimension and the inner diameter dimension is provided constant over the entire axial range. Specifically, a shaft hole 6 a that is in sliding contact with the outer peripheral surface of the shaft 7 is formed in the shaft core (center portion) of the slide bearing 6.
  • the shaft hole 6a is a through hole formed around the axis of the sliding bearing 6 and extending in the axial direction.
  • the inner diameter dimension of the shaft hole 6 a is slightly larger than the outer diameter dimension of the shaft 7, whereby a sliding clearance is formed between the sliding bearing 6 (shaft hole 6 a) and the shaft 7.
  • One end (left end) of the sliding bearing 6 is fixedly supported at the center of the magnetic attraction core 3.
  • the technique for fixing the sliding bearing 6 to the magnetic attraction core 3 is not limited, and methods such as press fitting, caulking, and welding can be appropriately employed.
  • the left end of the sliding bearing 6 is fixed to the magnetic attraction core 3, so that the axis of the sliding bearing 6 is supported perpendicular to the magnetic attraction surface of the magnetic attraction core 3.
  • the other end (right end) of the sliding bearing 6 is arranged so as to extend to the inside of the axial range of the magnetic delivery core 4.
  • the inner side of the axial range means a range overlapping in the axial direction. That is, the other end of the sliding bearing 6 overlaps the magnetic delivery core 4 in the axial direction.
  • the other end of the sliding bearing 6 is located between one end and the other end of the magnetic delivery core 4 in the axial direction.
  • the axial dimension (full length) of the sliding bearing 6 is slightly shorter than the axial dimension of the linear solenoid, and the sliding bearing 6 is located between one end and the other end in the axial direction of the magnetic delivery core 4.
  • the shaft 7 is made of a non-magnetic metal (for example, stainless steel) and has a cylindrical rod shape with a constant diameter at least in a range where the shaft 7 is inserted.
  • the shaft 7 is arranged and fixed along the axial direction in the axial center of the plunger 2. Specifically, the shaft 7 is directly fixed to the plunger 2 at the right end of the plunger 2.
  • the technique for fixing the shaft 7 to the plunger 2 is not limited, and methods such as press-fitting, caulking, and welding can be appropriately employed.
  • the plunger 2 By inserting the shaft 7 fixed to the axis of the plunger 2 into the slide bearing 6 fixedly arranged on the axis of the coil 1, the plunger 2 is supported so as to be slidable in the axial direction. 2 is prevented from moving in the radial direction.
  • the linear solenoid according to the first embodiment supports a shaft 7 fixed to the axis of the plunger 2 by a sliding bearing 6 fixed to the magnetic attraction core 3. Further, at least one (both in the first embodiment) of the magnetic attraction core 3 (not including the cylindrical portion 3a) and the magnetic delivery core 4 is disposed only outside the axial range of the coil 1. Thereby, the outer diameter dimension of the plunger 2 arrange
  • the tip of the cylindrical portion 3a may be positioned within the axial range of the coil 1. In other words, the tip of the cylindrical portion 3a may be located between one end and the other end of the coil 1 in the axial direction.
  • the tapered portion provided in the cylindrical portion 4 a may be located within the axial range of the coil 1.
  • the tapered portion of the cylindrical portion 4a may be positioned between one end and the other end of the coil 1 in the axial direction.
  • the magnetic path area of the plunger 2 can be increased by increasing the outer diameter of the plunger 2 beyond that.
  • the magnetic path area can be increased by increasing the outer diameter than the reduction of the magnetic path area by the sliding bearing 6 and the shaft 7, so that the magnetic attractive force of the plunger 2 can be increased.
  • the performance of the linear solenoid can be improved. Specifically, when the physique of the linear solenoid is comparable to that of the prior art, the output of the linear solenoid can be increased as compared with the prior art. Further, when the output of the linear solenoid is similar to that of the prior art, the size of the linear solenoid can be reduced.
  • the magnetic solenoid core 3 and the magnetic delivery core 4 are provided independently in the linear solenoid of this embodiment.
  • the “magnetic blocker” used in the prior art can be eliminated, so that magnetic loss caused by direct magnetic flux flowing between the magnetic attraction core 3 and the magnetic delivery core 4 can be eliminated.
  • the magnetic attraction force of the plunger 2 can be increased.
  • the sliding bearing 6 of the present embodiment is fixedly supported by the magnetic attraction core 3 as described above.
  • the gap (radial air gap) between the outer peripheral surface (left end surface) on the left side of the plunger 2 and the inner peripheral surface (right end surface) of the cylindrical portion 3a can be reduced.
  • the magnetic attractive force of the plunger 2 can be further increased.
  • the free end (right end) of the sliding bearing 6 of the present embodiment is disposed inside the axial range of the magnetic delivery core 4 as described above.
  • the linear solenoid of this embodiment employs a configuration in which a nonmagnetic metal cylinder 14 is disposed on the inner peripheral surface of the bobbin 8.
  • the inner diameter dimension of the metal cylinder 14 is slightly larger than the outer diameter dimension of the plunger 2.
  • the metal cylinder 14 is a cylinder made of a thin nonmagnetic metal plate (for example, a thin plate such as stainless steel or brass), and is inserted into the inner peripheral surface of the bobbin 8.
  • the inner peripheral surface of the bobbin 8 is contracted by the influence of heat (expansion and contraction). Even when the diameter is increased, the diameter reduction of the bobbin 8 can be prevented by the metal cylinder 14. For this reason, the trouble that the bobbin 8 interferes with the plunger 2 due to the reduced diameter of the bobbin 8 can be avoided. Thereby, the malfunction that the bobbin 8 interferes with the plunger 2 and the sliding resistance of the plunger 2 increases can be eliminated, and the reliability of the linear solenoid can be improved.
  • a non-magnetic metal cylinder 14 is disposed between the magnetic delivery core 4 and the plunger 2 to keep the minimum distance between the magnetic delivery core 4 and the plunger 2.
  • the metal cylinder 14 is the same as the metal cylinder 14 described above.
  • the radial minimum gap distance between the plunger 2 and the magnetic delivery core 4 (that is, the minimum distance of the side gap). Can be regulated by the thickness of the metal tube 14.
  • the side force generated when the outer peripheral surface of the plunger 2 is magnetically attracted to the magnetic delivery core 4 can be suppressed to a predetermined value or less, and deterioration of the slidability of the plunger 2 due to the increase of the side force is prevented. be able to.
  • the magnetic delivery core 4 of the present embodiment is provided so as to be slidable in the radial direction with respect to the yoke 5 while being in contact with the yoke 5.
  • the magnetic delivery core 4 is a ring body having a substantially L-shaped cross section, and includes a cylindrical portion 4a having a cylindrical shape covering the outer peripheral surface of the plunger 2, and an outer flange 4b extending from the cylindrical portion 4a in the outer diameter direction. It is provided integrally.
  • the outer edge of the outer casing 4b is circular when viewed from the axial direction, and the outer diameter of the outer casing 4b is smaller than the inner diameter of the yoke 5 by a predetermined amount.
  • the magnetic delivery core 4 is provided to be movable by a predetermined amount in the radial direction inside the yoke 5.
  • the yoke 5 is provided with a bottom portion 5a perpendicular to the axial direction, and the left surface of the bottom portion 5a and the right surface of the outer casing 4b are in contact with each other.
  • a spring material 13 is disposed between the bobbin 8 and the outer casing 4b, and the left end of the bobbin 8 is pressed against the magnetic attraction core 3 by the restoring force of the spring member 13, and the outer casing 4b is pressed against the bottom 5a.
  • the magnetic delivery core 4 can slide in the radial direction with respect to the yoke 5, and the magnetic coupling between the yoke 5 and the magnetic delivery core 4 is always maintained by the restoring force of the spring material 13. Be drunk.
  • the metal cylinder 14 In the first embodiment, an example in which the metal cylinder 14 is provided has been described.
  • membrane material 15 is provided in the outer peripheral surface (radial direction outer surface) of the plunger 2. As shown in FIG.
  • the non-magnetic film material 15 is attached to the outer peripheral surface of the plunger 2 by a known plating technique or coating technique, and may be a resin material such as Teflon (registered trademark), copper, nickel, or the like. It may be a metal material.
  • the magnetic delivery core 4 is provided with an alignment portion 16 that maintains a radial distance from the shaft 7, and a predetermined side gap is secured by the alignment portion 16.
  • the alignment portion 16 is a non-magnetic thin plate fitted inside the magnetic delivery core 4 in the radial direction, and a through-hole through which the right end of the shaft 7 can enter is provided at the center thereof. It has been.
  • the linear solenoid drives the hydraulic control valve
  • the object to be driven by the linear solenoid is not limited to the hydraulic control valve.
  • the present disclosure may be applied to a linear solenoid that directly or indirectly drives an object to be driven (including other than the valve) other than the hydraulic control valve.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

L'invention concerne un solénoïde linéaire pourvu d'une bobine (1), d'un piston plongeur (2), d'un noyau d'attraction magnétique (3), et d'un noyau de fourniture et de réception de flux magnétique (4). La bobine (1) génère une force magnétique lorsqu'un courant électrique lui est appliqué. Le piston plongeur (2) est supporté de façon à pouvoir se déplacer axialement à l'intérieur de la bobine (1). Le noyau d'attraction magnétique (3) exerce une attraction magnétique dans la direction axiale sur le piston plongeur (2) par la force magnétique générée par la bobine (1). Le noyau de fourniture et de réception de flux magnétique (4) fournit un flux magnétique à la surface périphérique extérieure du piston plongeur (2) et reçoit un flux magnétique en provenance de celle-ci. Un palier lisse (6) non magnétique, cylindrique circulaire et s'étendant axialement est disposé et fixé au centre de l'intérieur de la bobine (1). Un arbre non magnétique (7) inséré dans l'intérieur du palier lisse (6) et en contact coulissant avec le palier lisse (6) est fixé à l'axe du piston plongeur (2). Une extrémité du palier lisse (6) est fixée au noyau d'attraction magnétique (3).
PCT/JP2016/000608 2015-02-10 2016-02-05 Solénoïde linéaire Ceased WO2016129261A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015024662A JP2016149416A (ja) 2015-02-10 2015-02-10 リニアソレノイド
JP2015-024662 2015-02-10

Publications (1)

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WO2016129261A1 true WO2016129261A1 (fr) 2016-08-18

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PCT/JP2016/000608 Ceased WO2016129261A1 (fr) 2015-02-10 2016-02-05 Solénoïde linéaire

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JP (1) JP2016149416A (fr)
WO (1) WO2016129261A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9865385B2 (en) 2015-02-10 2018-01-09 Denso Corporation Linear solenoid
CN113168952A (zh) * 2018-11-26 2021-07-23 株式会社电装 螺线管
CN113447352A (zh) * 2021-06-28 2021-09-28 陕西大工旭航电磁科技有限公司 电磁加载新型中应变率冲击拉伸测试系统及其试验方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016116776A1 (de) * 2016-09-07 2018-03-08 Kendrion (Villingen) Gmbh Elektromagnetische Stellvorrichtung insbesondere zum Verstellen von Nockenwellen eines Verbrennungsmotors
JP2021009939A (ja) * 2019-07-02 2021-01-28 株式会社デンソー ソレノイド
JP7183985B2 (ja) * 2019-07-18 2022-12-06 株式会社デンソー ソレノイド

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10220629A (ja) * 1997-02-10 1998-08-21 Ckd Corp 電磁弁
JP2004324740A (ja) * 2003-04-23 2004-11-18 Mitsubishi Electric Corp 比例電磁弁及びその制御方法
JP2006125438A (ja) * 2004-10-26 2006-05-18 Mitsubishi Electric Corp 電磁弁
JP2009147075A (ja) * 2007-12-13 2009-07-02 Denso Corp リニアソレノイドおよびその製造方法
JP2011108781A (ja) * 2009-11-16 2011-06-02 Denso Corp リニアソレノイド
JP2011163433A (ja) * 2010-02-09 2011-08-25 Kyb Co Ltd 電磁比例絞り弁
JP2012204574A (ja) * 2011-03-25 2012-10-22 Denso Corp リニアソレノイド

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10220629A (ja) * 1997-02-10 1998-08-21 Ckd Corp 電磁弁
JP2004324740A (ja) * 2003-04-23 2004-11-18 Mitsubishi Electric Corp 比例電磁弁及びその制御方法
JP2006125438A (ja) * 2004-10-26 2006-05-18 Mitsubishi Electric Corp 電磁弁
JP2009147075A (ja) * 2007-12-13 2009-07-02 Denso Corp リニアソレノイドおよびその製造方法
JP2011108781A (ja) * 2009-11-16 2011-06-02 Denso Corp リニアソレノイド
JP2011163433A (ja) * 2010-02-09 2011-08-25 Kyb Co Ltd 電磁比例絞り弁
JP2012204574A (ja) * 2011-03-25 2012-10-22 Denso Corp リニアソレノイド

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9865385B2 (en) 2015-02-10 2018-01-09 Denso Corporation Linear solenoid
CN113168952A (zh) * 2018-11-26 2021-07-23 株式会社电装 螺线管
CN113447352A (zh) * 2021-06-28 2021-09-28 陕西大工旭航电磁科技有限公司 电磁加载新型中应变率冲击拉伸测试系统及其试验方法

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