JP2001155845A - Electromagnetic induction heat emitter - Google Patents
Electromagnetic induction heat emitterInfo
- Publication number
- JP2001155845A JP2001155845A JP33989399A JP33989399A JP2001155845A JP 2001155845 A JP2001155845 A JP 2001155845A JP 33989399 A JP33989399 A JP 33989399A JP 33989399 A JP33989399 A JP 33989399A JP 2001155845 A JP2001155845 A JP 2001155845A
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- JP
- Japan
- Prior art keywords
- heating element
- electromagnetic induction
- alloy
- temperature
- powder metallurgy
- 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.)
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- General Induction Heating (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、渦電流を交番させ
て発熱させた発熱体に流体を接触させて加熱する電磁誘
導加熱用発熱体に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating element for electromagnetic induction heating which heats a heating element which is heated by alternately generating an eddy current.
【０００２】[0002]
【従来の技術】流体を昇温する技術としては、電磁誘導
加熱装置が知られている。この電磁誘導加熱装置は、流
体が通る通路部材の中に発熱体を設置し、通路部材の外
周に巻かれたコイルに電流を流して発熱体を発熱させる
ことで流体を昇温する装置である。この電磁誘導加熱装
置は、燃料の燃焼度を直接利用するものに比べて、小型
の装置となり、急速加熱が可能であり、電力使用である
からクリーンである点で好ましいものである。2. Description of the Related Art As a technique for raising the temperature of a fluid, an electromagnetic induction heating device is known. This electromagnetic induction heating device is a device in which a heating element is installed in a passage member through which a fluid passes, and a current is applied to a coil wound around the outer periphery of the passage member to cause the heating element to generate heat, thereby raising the temperature of the fluid. . This electromagnetic induction heating device is preferable in that it is small in size, capable of rapid heating, and clean because it uses electric power, as compared with a device that directly uses the burnup of fuel.
【０００３】上記の発熱体は、電力が入りやすくなる程
度の透磁率を有し、流体に対する熱交換がしやすく、流
体に対する耐蝕性を兼ね備えたものが好ましい。このよ
うな材料としては、ＳＵＳ４４７Ｊ１の如きＣｒ、Ｆｅ
を主成分とするマルテンサイト系ステンレス鋼が従来か
ら用いられる。このマルテンサイト系ステンレス鋼で形
成された発熱体の温度が高温になると、発熱体を構成す
る磁性体が磁気変態温度に達する。[0003] The above-mentioned heating element preferably has a magnetic permeability enough to easily supply electric power, easily exchanges heat with a fluid, and has corrosion resistance to the fluid. Such materials include Cr, Fe such as SUS447J1.
Conventionally, martensitic stainless steels having as a main component are used. When the temperature of the heating element formed of the martensitic stainless steel becomes high, the magnetic material constituting the heating element reaches the magnetic transformation temperature.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、発熱体
が磁気変態を起こす温度になると、発熱体の磁性が急変
し、コイルが短絡状態になり発熱体の温度制御が不能に
なる。このため、発熱体は、マルテンサイト系ステンレ
ス鋼の磁気変態（キューリ点）で決まる温度（６００〜
７００℃程度）までしか昇温させることができず、流体
を１０００℃以上に加熱することができないという問題
点がある。However, when the heating element reaches a temperature at which magnetic transformation occurs, the magnetism of the heating element changes suddenly, the coil is short-circuited, and the temperature control of the heating element becomes impossible. For this reason, the heating element has a temperature (600 to 600) determined by magnetic transformation (Curie point) of martensitic stainless steel.
However, there is a problem in that the temperature can be raised only up to about 700 ° C., and the fluid cannot be heated to 1000 ° C. or more.
【０００５】本発明は、上記問題に鑑みてなされたもの
であって、その目的とするところは、１０００℃以上に
昇温することができる電磁誘導加熱用発熱体を提供する
ことである。[0005] The present invention has been made in view of the above problems, and an object of the present invention is to provide a heating element for electromagnetic induction heating that can raise the temperature to 1000 ° C or more.
【０００６】[0006]
【課題を解決するための手段】上記課題に基づいて、発
明者は鋭意検討の結果、以下の知見を得た。即ち、発熱
体が粉末冶金法によるＮｉ、Ｃｒ系合金で形成された場
合は、当該発熱体は、磁気変態が存在しないので、１０
００℃以上に昇温してもコイルが短絡状態になることが
無い。また、発熱体が粉末冶金法によるＦｅ、Ｃｒ系合
金で形成された場合は、磁気変態を有するが、当該発熱
体は、磁気変態（キューリ点）を起こす温度以上に昇温
しても、コイルが短絡状態にならず発熱体の温度制御が
可能であった。以上より、磁気変態が存在しないＮｉ、
Ｃｒ系合金及び磁気変態を有するＦｅ、Ｃｒ系合金で形
成された発熱体は、共に１０００℃以上に昇温しても発
熱体の温度制御が可能であるという知見を得たため、こ
の知見に基づいて以下の発明を完成した。Means for Solving the Problems Based on the above-mentioned problems, the inventor has earnestly studied and obtained the following knowledge. That is, when the heating element is formed of a Ni or Cr based alloy by powder metallurgy, the heating element has no magnetic transformation, so
Even if the temperature is raised to 00 ° C. or more, the coil will not be short-circuited. When the heating element is formed of an Fe or Cr alloy by powder metallurgy, the heating element has a magnetic transformation. Was not short-circuited, and the temperature of the heating element could be controlled. From the above, Ni without magnetic transformation,
Based on the knowledge that the heating element formed of the Cr-based alloy and the Fe and Cr-based alloys having magnetic transformation can control the temperature of the heating element even when the temperature is raised to 1000 ° C. or more. The following invention was completed.
【０００７】請求項１記載の発明は、電磁誘導により自
体が加熱される発熱体であって、前記発熱体が粉末冶金
法によるＮｉ、Ｃｒ系合金で形成されている電磁誘導加
熱用発熱体である。また、前記電磁誘導加熱用発熱体が
６００℃以上に昇温される。さらに、前記電磁誘導加熱
用発熱体は、円筒形に形成され、被加熱流体の通る複数
の貫通孔が軸方向に設けられている。According to the first aspect of the present invention, there is provided a heating element which is itself heated by electromagnetic induction, wherein the heating element is made of a Ni or Cr alloy by powder metallurgy. is there. Further, the temperature of the heating element for electromagnetic induction heating is raised to 600 ° C. or higher. Further, the heating element for electromagnetic induction heating is formed in a cylindrical shape, and a plurality of through holes through which the fluid to be heated passes are provided in the axial direction.
【０００８】粉末冶金法は、高エネルギーのボールミル
等を用いて原料の金属粉中に各種の金属微粉を機械的に
分散させるメカニカルアロイング法で複合粉末をつく
り、これを焼結する方法である。粉末冶金法によるＮ
ｉ、Ｃｒ系合金の化学成分は、Ｃの配分が０．０２〜
０．０８％、Ｃｒの配分が１５〜３５％、Ｆｅの配分が
０．５〜１．５％、Ｔｉの配分が０．３〜０．９％、Ａ
ｌの配分が０．１〜０．４％、Y203の配分が０．３〜
０．９％、Ｎｉの配分がＢａｌ（残り）の合金である。The powder metallurgy method is a method in which a composite powder is produced by a mechanical alloying method in which various metal fine powders are mechanically dispersed in a raw metal powder using a high-energy ball mill or the like, and the composite powder is sintered. . N by powder metallurgy
i, the distribution of C is 0.02-
0.08%, Cr distribution is 15-35%, Fe distribution is 0.5-1.5%, Ti distribution is 0.3-0.9%, A
l allocation is from 0.1 to 0.4%, allocation 0.3 of Y 2 0 3
The alloy is 0.9%, and the distribution of Ni is Bal (remaining).
【０００９】上記成分の粉末冶金法によるＮｉ、Ｃｒ系
合金で形成された当該発熱体は、Ｎｉ、Ｃｒ系合金の融
点が１３００℃以上であるため、１３００℃付近まで昇
温することができる。また、表面に保護膜が形成される
ため、耐酸化性に優れる。さらに、磁気変態（キューリ
点）が存在しないので、コイルが短絡状態にならず温度
制御が可能である。また、融点直下まで高いクリープ強
度を保つことができる。上記成分の粉末冶金法によるＮ
ｉ、Ｃｒ系合金は、以上の特性を備えるので、流体加熱
を行う発熱体の材料に適している。The heating element formed of a Ni-Cr alloy by the powder metallurgy method of the above components can raise the temperature to around 1300 ° C because the melting point of the Ni-Cr alloy is 1300 ° C or more. In addition, since a protective film is formed on the surface, it has excellent oxidation resistance. Furthermore, since there is no magnetic transformation (Curie point), the coil is not short-circuited and the temperature can be controlled. Further, high creep strength can be maintained just below the melting point. N by powder metallurgy of the above components
The i, Cr-based alloy has the above characteristics, and is therefore suitable for a material of a heating element for performing fluid heating.
【００１０】請求項２記載の発明は、電磁誘導により自
体が加熱される発熱体であって、前記発熱体が粉末冶金
法によるＦｅ、Ｃｒ系合金で形成されている電磁誘導加
熱用発熱体である。According to a second aspect of the present invention, there is provided a heating element which is itself heated by electromagnetic induction, wherein the heating element is made of an Fe or Cr alloy by powder metallurgy. is there.
【００１１】粉末冶金法によるＦｅ、Ｃｒ系合金の化学
成分は、Ｃの配分が０．０２〜０．０８％、Ｃｒの配分
が１０〜３０％、Ｔｉの配分が０．２〜０．８％、Ａｌ
の配分が１．５〜６．０％、Y203の配分が０．２〜０．
８％、Ｆｅの配分がＢａｌ（残り）の合金である。The chemical composition of the Fe-based or Cr-based alloy by powder metallurgy is as follows: distribution of C is 0.02-0.08%, distribution of Cr is 10-30%, and distribution of Ti is 0.2-0.8. %, Al
Allocation from 1.5 to 6.0% of the distribution of Y 2 0 3 is from 0.2 to 0.
8%, Fe is an alloy having a distribution of Bal (remaining).
【００１２】上記成分の粉末冶金法によるＦｅ、Ｃｒ系
合金で形成された当該発熱体は、Ｆｅ、Ｃｒ系合金の融
点が１４００℃以上であるため、１４００℃付近まで昇
温することができる。また、表面に保護膜が形成される
ため、耐酸化性に優れる。さらに、磁気変態（キューリ
点）が存在するが、磁気変態を境にして透磁率が緩やか
に変化するので、磁気変態を越えても温度制御が可能で
ある。また、融点直下まで高いクリープ強度を保つこと
ができる。上記成分の粉末冶金法によるＦｅ、Ｃｒ系合
金は、以上の特性を備えるので、流体加熱を行う発熱体
の材料に適している。The heating element formed of an Fe / Cr-based alloy by the powder metallurgy method of the above components can raise the temperature to around 1400 ° C because the melting point of the Fe / Cr-based alloy is 1400 ° C or more. In addition, since a protective film is formed on the surface, it has excellent oxidation resistance. Further, there is a magnetic transformation (Curie point), but since the magnetic permeability changes gradually at the boundary of the magnetic transformation, the temperature can be controlled even beyond the magnetic transformation. Further, high creep strength can be maintained just below the melting point. The Fe and Cr based alloys based on the powder metallurgy method of the above components have the above characteristics, and are suitable for the material of the heating element that performs fluid heating.
【００１３】[0013]
【発明の実施の形態】以下、本発明の実施形態を図面に
基づいて説明する。図１は、電磁誘導加熱用発熱体であ
る。電磁誘導加熱用発熱体１は、円柱状に形成され、軸
方向に被加熱流体が通る複数の貫通孔が形成されてい
る。この電磁誘導加熱用発熱体は、上記成分の粉末冶金
法によるＮｉ、Ｃｒ系合金又は上記成分の粉末冶金法に
よるＦｅ、Ｃｒ系合金で形成されている。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a heating element for electromagnetic induction heating. The heating element 1 for electromagnetic induction heating is formed in a columnar shape, and has a plurality of through-holes through which a fluid to be heated passes in the axial direction. The heating element for electromagnetic induction heating is made of a Ni or Cr alloy by the powder metallurgy method of the above component or an Fe or Cr alloy by a powder metallurgy method of the above component.
【００１４】図２は、本発明に係る発熱体１を用いた電
磁誘導加熱装置２の一例を示すものである。図２に示す
ように、電磁誘導加熱装置２は、発熱体１、流体の通路
部材３、コイル４、高周波電源５等で構成されている。
通路部材３は、非磁性の絶縁体で耐熱性に優れたセラミ
ックス製のパイプで、その内孔が流体の通路となる。こ
の通路部材３は、例えば、窒化珪素で形成されている。
コイル４は、通路部材３の外周に巻かれている。FIG. 2 shows an example of an electromagnetic induction heating device 2 using a heating element 1 according to the present invention. As shown in FIG. 2, the electromagnetic induction heating device 2 includes a heating element 1, a fluid passage member 3, a coil 4, a high frequency power supply 5, and the like.
The passage member 3 is a ceramic pipe made of a nonmagnetic insulator and excellent in heat resistance, and its inner hole serves as a fluid passage. The passage member 3 is formed of, for example, silicon nitride.
The coil 4 is wound around the outer periphery of the passage member 3.
【００１５】尚、発熱体１は、円柱状に限られず、四角
柱状でもよく、また、複数の貫通孔に限られず、一つの
貫通孔でもよい。また、発熱体１は、柱状のものに限ら
れず、流体が通過するための流路が形成されたパイプ状
のものでもよい。この場合、流体が通過するパイプ状の
発熱体を直接加熱するため、非磁性のセラミックス製の
パイプ３は不要となる。尚、コイルを保護するためにパ
イプ状の発熱体とコイルとの間に断熱材を設けることが
必要である。The heating element 1 is not limited to a columnar shape, may be a square columnar shape, and is not limited to a plurality of through holes, but may be a single through hole. Further, the heating element 1 is not limited to a columnar one, and may be a pipe-like one in which a flow path through which a fluid passes is formed. In this case, since the pipe-shaped heating element through which the fluid passes is directly heated, the nonmagnetic ceramic pipe 3 becomes unnecessary. It is necessary to provide a heat insulating material between the coil and the pipe-shaped heating element to protect the coil.
【００１６】次に、上記構成に基づいて、電磁誘導加熱
装置２の動作を説明する。高周波電源５からコイル４に
電力が供給されると、発熱体１に磁束が発生し渦電流が
流れるため、発熱体１は１０００℃以上に昇温される。
そして、被加熱流体が発熱体１の貫通孔を通過すると、
１０００℃以上に加熱される。Next, the operation of the electromagnetic induction heating device 2 based on the above configuration will be described. When power is supplied from the high frequency power supply 5 to the coil 4, a magnetic flux is generated in the heating element 1 and an eddy current flows, so that the temperature of the heating element 1 is increased to 1000 ° C. or more.
Then, when the fluid to be heated passes through the through hole of the heating element 1,
Heated above 1000 ° C.
【００１７】[0017]
【実施例】実施例１は、上記成分の粉末冶金法によるＮ
ｉ、Ｃｒ系合金の例としてＭＡのＡ合金で電磁誘導加熱
用発熱体を形成した場合を説明する。ＭＡのＡ合金の化
学成分は、表１に示す通りである。EXAMPLE 1 In Example 1, N was measured by powder metallurgy of the above components.
The case where the heating element for electromagnetic induction heating is formed of an A alloy of MA as an example of i, Cr-based alloy will be described. The chemical composition of the A alloy of MA is as shown in Table 1.
【００１８】[0018]
【表１】 [Table 1]
【００１９】表１の化学成分のＭＡのＡ合金を以下のよ
うに加工して電磁誘導加熱用発熱体を形成した。外径φ
５１×１１０mmのＭＡのＡ合金から、図１に示すよう
に、外径φ４９×１００mmの発熱体１を形成し、８か所
にキリ穴加工を施した。ＭＡのＡ合金の外径加工には、
材質ＫＷ−１０（京セラ製）のチップを用いて発熱体１
を形成し、キリ穴加工には、ラジアルボール盤にて材質
Ｍ４２（日立ツール製）の強力型ロングドリル（５．０
×１５０×１００mm）を用いて貫通加工を施した。The alloy A of MA having the chemical composition shown in Table 1 was processed as follows to form a heating element for electromagnetic induction heating. Outer diameter φ
As shown in FIG. 1, a heating element 1 having an outer diameter of φ49 × 100 mm was formed from a 51 × 110 mm MA A alloy, and eight holes were drilled. For outer diameter machining of MA A alloy,
Heating element 1 using chip of material KW-10 (manufactured by Kyocera)
For drilling holes, use a radial drilling machine to make a powerful long drill (5.0
× 150 × 100 mm).
【００２０】次に、この発熱体の発熱傾向について説明
する。周波数１ｋHzの高周波炉を用いて誘導加熱を行っ
た。温度測定は、図１の中央と端の穴の中央部にそれぞ
れ熱電対を設定して行い１０００℃までの発熱傾向を調
べた。図３に示すように、キューリ点は表れず、緩やか
な昇温曲線を描き１４分で２０℃から１０００℃に上昇
した。この発熱体により空気を加熱すると、空気を１０
００℃以上に昇温できた。Next, the tendency of the heating element to generate heat will be described. Induction heating was performed using a high-frequency furnace having a frequency of 1 kHz. The temperature was measured by setting a thermocouple at each of the center of the center and the center of the hole at the end of FIG. As shown in FIG. 3, the Curie point did not appear, and a gradual heating curve was drawn, and the temperature rose from 20 ° C. to 1000 ° C. in 14 minutes. When air is heated by this heating element,
The temperature could be raised to 00 ° C. or higher.
【００２１】実施例２は、上記成分の粉末冶金法による
Ｆｅ、Ｃｒ系合金の例としてＭＡのＢ合金で電磁誘導加
熱用発熱体を形成した場合を説明する。ＭＡのＢ合金の
化学成分は、表１に示す通りである。Embodiment 2 describes a case where a heating element for electromagnetic induction heating is formed of a B alloy of MA as an example of an Fe / Cr alloy by the powder metallurgy method of the above components. The chemical components of the MA B alloy are as shown in Table 1.
【００２２】表１の化学成分のＭＡのＢ合金を以下のよ
うに加工して電磁誘導加熱用発熱体を形成した。外径φ
５１×１１０mmのＭＡのＢ合金から、図１に示すよう
に、外径がφ４９×１００mmの発熱体１を形成し、８か
所にキリ穴加工を施した。ＭＡのＢ合金の外径加工に
は、材質ＫＷ−１０（京セラ製）のチップを用いて発熱
体を形成し、キリ穴加工には、卓上ボール盤にて材質Ｍ
４２（日立ツール製）の強力型ロングドリル（５．０×
１５０×１００mm）を用いて貫通加工を施した。A B alloy of MA having a chemical composition shown in Table 1 was processed as follows to form a heating element for electromagnetic induction heating. Outer diameter φ
As shown in FIG. 1, a heating element 1 having an outer diameter of 49 × 100 mm was formed from a 51 × 110 mm MA B alloy and drilled at eight locations. For the outer diameter machining of the MA B alloy, a heating element is formed using a tip made of material KW-10 (manufactured by Kyocera).
42 (Hitachi Tool) long drill (5.0 ×
(150 × 100 mm).
【００２３】次に、この発熱体の発熱傾向について説明
する。ＭＡのＡ合金と同様の条件で誘導加熱を行った。
図４に示すように、約６４０℃のキューリ点が表れるま
で、急速に立ち上がるが、その後緩やかな昇温曲線を描
き１１分３０秒で２０℃から１０００℃に上昇した。キ
ューリ点を境に電力値が１０ｋｗから６ｋｗに低下し
た。この発熱体により空気を加熱すると、空気を１００
０℃以上に昇温できた。Next, the tendency of the heating element to generate heat will be described. Induction heating was performed under the same conditions as for the A alloy of MA.
As shown in FIG. 4, the temperature rises rapidly until a Curie point of about 640 ° C. appears, and then a gentle temperature rise curve is drawn and the temperature rises from 20 ° C. to 1000 ° C. in 11 minutes and 30 seconds. The power value dropped from 10 kW to 6 kW at the boundary of the Curie point. When air is heated by this heating element, air
The temperature could be raised to 0 ° C. or higher.
【００２４】[0024]
【発明の効果】請求項１乃至請求項４記載の発明は、１
０００℃以上に昇温することができるという効果を奏す
る。また、表面に保護膜が形成されるため耐酸化性に優
れると共に、耐熱温度が高く融点直下まで高いクリープ
強度を保つことができるという効果を奏する。According to the first to fourth aspects of the present invention,
This has the effect that the temperature can be raised to 000 ° C. or higher. In addition, since a protective film is formed on the surface, it is excellent in oxidation resistance, and has an effect that the heat resistance temperature is high and a high creep strength can be maintained just below the melting point.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本実施形態に係る電磁誘導加熱用発熱体を説明
する図である。FIG. 1 is a diagram illustrating a heating element for electromagnetic induction heating according to an embodiment.
【図２】電磁誘導加熱装置を説明する図である。FIG. 2 is a diagram illustrating an electromagnetic induction heating device.
【図３】ＭＡのＡ合金の昇温曲線を表すグラフである。FIG. 3 is a graph showing a temperature rise curve of an alloy A of MA.
【図４】ＭＡのＢ合金の昇温曲線を表すグラフである。FIG. 4 is a graph showing a temperature rise curve of a B alloy of MA.
１ 発熱体 ２ 電磁誘導加熱装置 ３ 通路部材 ４ コイル ５ 高周波電源 １６ 発熱体 REFERENCE SIGNS LIST 1 heating element 2 electromagnetic induction heating device 3 passage member 4 coil 5 high frequency power supply 16 heating element
───────────────────────────────────────────────────── フロントページの続き (72)発明者 川村 泰三 大阪府茨木市美沢町19番21号 株式会社瀬 田技研内 Ｆターム(参考） 3K059 AB04 AB19 AB23 AB27 AC09 AC33 AD38 CD44 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Taizo Kawamura 19-21 Misawa-cho, Ibaraki-shi, Osaka F-term (reference) 3K059 AB04 AB19 AB23 AB27 AC09 AC33 AD38 CD44
Claims (4)
であって、 前記発熱体が粉末冶金法によるＮｉ、Ｃｒ系合金で形成
されている電磁誘導加熱用発熱体。1. A heating element which is itself heated by electromagnetic induction, wherein the heating element is made of a Ni-Cr alloy by powder metallurgy.
であって、 前記発熱体が粉末冶金法によるＦｅ、Ｃｒ系合金で形成
されている電磁誘導加熱用発熱体。2. A heating element which is itself heated by electromagnetic induction, wherein the heating element is made of an Fe / Cr alloy by powder metallurgy.
上に昇温される請求項１又は請求項２記載の電磁誘導加
熱用発熱体。3. The heating element for electromagnetic induction heating according to claim 1, wherein the heating element for electromagnetic induction heating is heated to 600 ° C. or higher.
形成され、被加熱流体の通る複数の貫通孔が軸方向に設
けられている請求項１又は請求項２記載の電磁誘導加熱
用発熱体。4. The electromagnetic induction heating element according to claim 1, wherein the electromagnetic induction heating element is formed in a cylindrical shape, and a plurality of through holes through which a fluid to be heated passes are provided in an axial direction. Heating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33989399A JP2001155845A (en) | 1999-11-30 | 1999-11-30 | Electromagnetic induction heat emitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33989399A JP2001155845A (en) | 1999-11-30 | 1999-11-30 | Electromagnetic induction heat emitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001155845A true JP2001155845A (en) | 2001-06-08 |
Family
ID=18331809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33989399A Pending JP2001155845A (en) | 1999-11-30 | 1999-11-30 | Electromagnetic induction heat emitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001155845A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007210260A (en) * | 2006-02-13 | 2007-08-23 | Tokuden Co Ltd | Fluid heating equipment |
| JP5877920B1 (en) * | 2015-04-28 | 2016-03-08 | 株式会社ワイエイシイデンコー | Rapid heating / cooling heat treatment furnace |
| WO2018096718A1 (en) | 2016-11-24 | 2018-05-31 | 株式会社ブリヂストン | Electromagnetic induction-heating device |
-
1999
- 1999-11-30 JP JP33989399A patent/JP2001155845A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007210260A (en) * | 2006-02-13 | 2007-08-23 | Tokuden Co Ltd | Fluid heating equipment |
| JP5877920B1 (en) * | 2015-04-28 | 2016-03-08 | 株式会社ワイエイシイデンコー | Rapid heating / cooling heat treatment furnace |
| WO2018096718A1 (en) | 2016-11-24 | 2018-05-31 | 株式会社ブリヂストン | Electromagnetic induction-heating device |
| JP2018085226A (en) * | 2016-11-24 | 2018-05-31 | 株式会社ブリヂストン | Electromagnetic induction heating device |
| CN110024481A (en) * | 2016-11-24 | 2019-07-16 | 株式会社普利司通 | Electromagnetic induction heater |
| US11304268B2 (en) | 2016-11-24 | 2022-04-12 | Bridgestone Corporation | Electromagnetic induction heating apparatus |
| CN110024481B (en) * | 2016-11-24 | 2022-05-06 | 株式会社普利司通 | Electromagnetic induction heating device |
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