JPH0275187A - Ceramic heater - Google Patents
Ceramic heaterInfo
- Publication number
- JPH0275187A JPH0275187A JP22693688A JP22693688A JPH0275187A JP H0275187 A JPH0275187 A JP H0275187A JP 22693688 A JP22693688 A JP 22693688A JP 22693688 A JP22693688 A JP 22693688A JP H0275187 A JPH0275187 A JP H0275187A
- Authority
- JP
- Japan
- Prior art keywords
- heating element
- electrode plates
- ceramic
- insulator
- electrode plate
- 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.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 239000012212 insulator Substances 0.000 claims abstract description 29
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005219 brazing Methods 0.000 abstract description 9
- 239000004020 conductor Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、主に燃焼機器の点火に用いるセラミックヒー
タの、発熱素子のリード線接続部の増強および補強に関
する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to reinforcement and reinforcement of lead wire connections of heating elements of ceramic heaters mainly used for ignition of combustion equipment.
［従来の技術］
セラミックヒータは、セラミック製発熱体にリ−ド線を
接続して発熱素子を形成し、この発熱素子を機器への装
着手段を兼ねるハウジングに保持させた構成を有する。[Prior Art] A ceramic heater has a configuration in which a lead wire is connected to a ceramic heating element to form a heating element, and this heating element is held in a housing that also serves as means for attaching it to a device.
セラミック製発熱体は、電気絶縁性のセラミック焼結体
製基体に、電気抵抗体を担持させて形成されている。基
体は、平板状、角棒状、あるいは丸棒状など所定の形状
を有し、電気抵抗体は、高融点金属または導電性セラミ
ックからなる導電体を、所定のパターンで、前記基体内
に埋設させるか、基体の表面に被着して形成される。The ceramic heating element is formed by supporting an electrical resistor on an electrically insulating ceramic sintered base. The base body has a predetermined shape such as a flat plate, a square bar shape, or a round bar shape, and the electrical resistor is a conductor made of a high melting point metal or a conductive ceramic that is embedded in the base in a predetermined pattern. , is formed by adhering to the surface of the substrate.
この種のセラミックヒータは、従来よりディーゼル機関
のグロープラグとして実用されている。Ceramic heaters of this type have conventionally been used as glow plugs for diesel engines.
また近年、電波雑音を生じない利点から、電子制御装置
を備えたガス燃焼機器などの燃焼機器の点火装置として
の使用が検討されている。グロープラグではハウジング
として筒状主体金具が使用されるが、点火装置用セラミ
ックヒータではハウジングは通常、セラミック製筒状体
が用いられる。Furthermore, in recent years, due to the advantage of not producing radio noise, use as an ignition device for combustion equipment such as gas combustion equipment equipped with an electronic control device has been considered. In a glow plug, a cylindrical metal shell is used as a housing, but in a ceramic heater for an ignition device, a ceramic cylindrical body is usually used as the housing.
従来の点火装置用セラミックヒータは、第９図および第
１０図に示ず如く、つぎの構造を有して＝２−
いた。A conventional ceramic heater for an ignition device had the following structure, as shown in FIGS. 9 and 10.
（あ）導電体１０１の両端部１０２．１０３を、基体１
１０の後端部１１１の表面に露出させ、この露出面に金
属製の電極板１３１．１３２をろう付けする。(A) Both ends 102 and 103 of the conductor 101 are connected to the base 1
10, and metal electrode plates 131 and 132 are brazed to this exposed surface.
（い）この電極板１３１．１３２にリード線１４１．１
４２を溶接して、リード線付き発熱体（発熱素子）１５
０を形成する。(b) Lead wire 141.1 to this electrode plate 131.132
42 is welded to form a heating element (heating element) 15 with a lead wire.
form 0.
（う）この発熱素子１５０を、その後端部を覆う筒状の
絶縁物（ハウジング）１６０に挿入して、空隙をセメン
ト等の無機質系の接着剤１７０で充填して固着し、セラ
ミックヒータ１００が製造される。(c) This heating element 150 is inserted into a cylindrical insulator (housing) 160 that covers the rear end, and the gap is filled with an inorganic adhesive 170 such as cement to fix it. Manufactured.
［発明が解決しようとする課題］
しかるに従来のセラミックヒータはつぎの欠点があった
。[Problems to be Solved by the Invention] However, conventional ceramic heaters have the following drawbacks.
（ア）電極板１３１．１３２のろう付は部の強度が不足
して、製造工程の途中で電極板が剥離し易い。(A) The brazing of the electrode plates 131 and 132 lacks strength, and the electrode plates tend to peel off during the manufacturing process.
（イ）接着剤１７０の強度不足や充填むらのため、接着
剤１７０による電極板１３］、１３２の保持力が不十分
となり、リード線に加わる引っ張り力で電極板がリード
線ごと剥離しやすい。(a) Due to insufficient strength or uneven filling of the adhesive 170, the holding force of the adhesive 170 for the electrode plates 13 and 132 becomes insufficient, and the electrode plates are likely to peel off together with the lead wires due to the tensile force applied to the lead wires.
（つ）電極板１３１．１３２を炉中でろう付けする場合
、電極板の押さえがないので、ろう付けのセツティング
か難しく、且つ、ろう付は炉中で電極板が脱落しやすい
。(1) When the electrode plates 131 and 132 are brazed in a furnace, since there is no pressure on the electrode plates, it is difficult to set up the brazing, and the electrode plates tend to fall off in the furnace.
この発明の目的は、」−配電極板のろう付は強度の補強
、増強、およびろう付は作業の円滑化にある。The purpose of this invention is to reinforce and increase the strength of brazing the distribution electrode plate, and to facilitate the brazing operation.
［課題を解決するための手段］
上記目的達成のため、本発明は、電気絶縁性セラミック
焼結体からなる基体に、電気抵抗体を保持させ、該電気
抵抗体の端部に電極板をろう付けし、該電極板にリード
線を溶接してなる発熱素子を備えたセラミックヒータに
おいて、
前記発熱素子の、前記電極板を含むリード線接続部に、
環状の絶縁体を緊密に外嵌する構成を採用した。[Means for Solving the Problem] In order to achieve the above object, the present invention has an electrical resistor held on a base made of an electrically insulating ceramic sintered body, and an electrode plate is soldered to the end of the electrical resistor. In a ceramic heater equipped with a heat generating element formed by attaching a lead wire to the electrode plate and welding a lead wire to the electrode plate, a lead wire connection portion of the heat generating element including the electrode plate,
We adopted a structure in which a ring-shaped insulator is tightly fitted around the outside.
［作用および発明の効果］
本発明のセラミックヒータは、発熱素子の、前記電極板
を含むリード線接続部に、環状の絶縁体を緊密に外嵌し
ているので、電極板のろう付は部の強度の増強および補
強ができ、組付は工程の途中や使用中における電極板の
剥離やリード線の脱落が防止できる。[Operations and Effects of the Invention] In the ceramic heater of the present invention, a ring-shaped insulator is tightly fitted around the lead wire connection portion of the heating element including the electrode plate, so that the electrode plate does not need to be brazed at all. The strength of the electrode plate can be increased and reinforced, and it is possible to prevent the electrode plate from peeling off or the lead wire from falling off during the assembly process or during use.
［実施例］
次に本発明を第１図〜第４図に示す第１実施例に基づき
説明する。[Example] Next, the present invention will be explained based on a first example shown in FIGS. 1 to 4.
１は本発明にかかるセラミックヒータ用の発熱素子、２
はその後端部に外嵌された環状の絶縁体である。1 is a heating element for a ceramic heater according to the present invention; 2
is an annular insulator fitted over the rear end.
発熱素子１は、窒化珪素、アルミナなどの電気絶縁性で
耐熱性に優れたセラミック焼結体からなる基体３に、略
Ｕ字状のパターンで埋設された導電体からなる電気抵抗
体４を担持させた構造を有するセラミック製発熱体１０
を備える。The heating element 1 carries an electric resistor 4 made of a conductor embedded in a substantially U-shaped pattern on a base body 3 made of a ceramic sintered body having excellent electrical insulation and heat resistance, such as silicon nitride or alumina. Ceramic heating element 10 having a structure
Equipped with
基体３は巾８．０ｍｍ、長さ５０ｍｍ、厚さ２゜Ｏｍｍ
の矩形の薄板状を呈する。抵抗体４は、その両端部４１
．４２が基体３の後端部３１に配され、該両端部４１．
４２はその外側の側面が基体３の側面に露出した露出面
４３．４４となっている。The base body 3 has a width of 8.0 mm, a length of 50 mm, and a thickness of 2゜Omm.
It has a rectangular thin plate shape. The resistor 4 has both ends 41
．． 42 is arranged at the rear end 31 of the base body 3, and the both ends 41.
42 is an exposed surface 43, 44 whose outer side surface is exposed to the side surface of the base body 3.
前記セラミック製発熱体］０の後端部３１の両側には、
断面コの字状で、板厚０．５ｍｍの銅製電極板５．６が
外嵌されており、この電極板５．６の内面と前記抵抗体
の雨露出面４３．４４とは、ろう付けされている。また
セラミック製発熱体１０の後端から突き出した、電極板
５．６の後部内壁には、リード線７．８がろう付けまた
は溶接されている。On both sides of the rear end portion 31 of the ceramic heating element]0,
A copper electrode plate 5.6 having a U-shaped cross section and a thickness of 0.5 mm is fitted onto the outside, and the inner surface of the electrode plate 5.6 and the rain exposed surface 43.44 of the resistor are brazed to each other. ing. Further, a lead wire 7.8 is brazed or welded to the rear inner wall of the electrode plate 5.6, which protrudes from the rear end of the ceramic heating element 10.
環状の絶縁体２は、アルミナ、ムライト、窒化珪素など
耐熱性、耐熱衝撃性に優れたセラミックを主体とするセ
ラミック焼結体製で、前記電極板５．６を含む発熱素子
１の後端部に緊密に外嵌する寸法を有する。本実施例で
は、絶縁体２は、偏平な４角筒状を呈し、内法は、巾９
．２ｍｍ、高さ（厚さ＞３．２ｍｍであり、長さは１５
ｍｍ、板厚は４．０ｍｍとなっている。The annular insulator 2 is made of a ceramic sintered body mainly made of ceramic having excellent heat resistance and thermal shock resistance, such as alumina, mullite, and silicon nitride, and is located at the rear end of the heating element 1 including the electrode plate 5.6. It has dimensions that fit tightly onto the outside. In this embodiment, the insulator 2 has a flat rectangular cylindrical shape, and the inner diameter has a width of 9
．． 2mm, height (thickness > 3.2mm, length is 15mm)
mm, and the plate thickness is 4.0 mm.
発熱素子１は、つぎのように製造される。The heating element 1 is manufactured as follows.
（ａ）２枚のセラミックグリーンシート間に、所定のパ
ターンで導電体を配着させ、焼成して一体化する。これ
によりセラミックグリーンシートは、基体３となり、導
電体は電気低杭体４となって、セラミック製発熱体１０
が焼成される。(a) A conductor is arranged in a predetermined pattern between two ceramic green sheets, and they are baked and integrated. As a result, the ceramic green sheet becomes the base body 3, the conductor becomes the electric low pile body 4, and the ceramic heating element 10
is fired.
（ｂ）つぎに電気抵抗体４の露出面４３．４４を含むセ
ラミック製発熱体の後端部３１に、ろう材と電極板５．
６とをあてがい、これらを覆うように前記後端部３１に
、絶縁体２を外嵌する。この場合において、発熱体１０
の後端部３１および／または絶縁体２の内周をテーパに
形成しておくと、前記緊密な嵌合が円滑になされる。(b) Next, a brazing material and an electrode plate 5.
6, and the insulator 2 is fitted onto the rear end portion 31 so as to cover them. In this case, the heating element 10
By tapering the rear end portion 31 and/or the inner periphery of the insulator 2, the tight fitting can be smoothly achieved.
（Ｃ）つぎにこの嵌合体をろう付は炉内でろう付けし、
その後電極板５．６にリード線７．８をろう付け、半田
付けまたは溶接する。(C) Next, this fitted body is brazed in a furnace,
Thereafter, the lead wire 7.8 is brazed, soldered or welded to the electrode plate 5.6.
この発熱素子１は、第４図に示す如く、従来例と同様に
、その後端部を覆う筒状の絶縁物（ハウジング）１６０
に挿入され、空隙を接着剤１７０で充填してセラミック
ヒータ１００に組み立てられる。As shown in FIG. 4, this heating element 1 has a cylindrical insulator (housing) 160 that covers its rear end, as in the conventional example.
The ceramic heater 100 is assembled by filling the gap with an adhesive 170.
第５図および第６図は第２実施例にかかるセラミックヒ
ータの発熱素子ＩＡを示す。5 and 6 show a heating element IA of a ceramic heater according to a second embodiment.
この実施例では、発熱体として、内部に多層に並列して
配された複数の電気抵抗体４Ａ、４Ｂを有し、はぼ正方
形に矩形の断面を呈する棒状発熱体１１−を用いている
。これに対応して絶縁体２人も正方形に近い矩形角筒状
を呈する。また電極板５Ａ、６Ａは、平板となっている
。In this embodiment, a rod-shaped heating element 11- having a plurality of electrical resistors 4A and 4B arranged in parallel in multiple layers inside and having a substantially square rectangular cross section is used as the heating element. Correspondingly, the two insulators also have a rectangular cylindrical shape close to a square. Further, the electrode plates 5A and 6A are flat plates.
この構成により、第１実施例の平板状の発熱体１０に較
べ折れ難くなっている。This configuration makes it less likely to break compared to the flat heating element 10 of the first embodiment.
第７図および第８図は、第３実施例にかかるセラミック
ヒータの発熱素子ＩＢを示す。7 and 8 show a heating element IB of a ceramic heater according to a third embodiment.
この実施例では、発熱体１２を丸棒状とし、電極板５Ｂ
、６Ｂを円筒面状に形成して、絶縁体２Ｂを円環状に構
成している。これにより、絶縁体２Ｂは、製造が容易に
なるとともに、角部の応力集中がなくなり、機械的強度
および耐久性が増大する。In this embodiment, the heating element 12 is shaped like a round bar, and the electrode plate 5B
, 6B are formed into cylindrical shapes, and the insulator 2B is formed into an annular shape. This makes the insulator 2B easier to manufacture, eliminates stress concentration at corners, and increases mechanical strength and durability.
［変形例コ
（１）環状の絶縁体としては、上記セラミックの他に、
フェノール樹脂、ポリイミド樹脂等の耐熱性および機械
的、化学的強度に優れたエンジニアリングプラスチック
が使用できる。絶縁体にプラスチックを使用したときは
、上記の如く電極板のろう付は前に絶縁体をセラミック
製発熱体に外嵌しておくことは、不可能である。よって
セラミック製発熱体に電極板をろう付けした後、または
電極板にリード線をろう付けまたは溶接した後で、絶縁
体を発熱素子に外嵌する。これにより電極板の補強がで
きる。[Modification example (1) In addition to the above ceramics, as the annular insulator,
Engineering plastics with excellent heat resistance and mechanical and chemical strength, such as phenol resin and polyimide resin, can be used. When plastic is used as the insulator, it is impossible to fit the insulator onto the ceramic heating element before brazing the electrode plate as described above. Therefore, after the electrode plate is brazed to the ceramic heating element, or after the lead wire is brazed or welded to the electrode plate, the insulator is fitted onto the heating element. This allows the electrode plate to be reinforced.
（２）絶縁体にプラスチックを使用したときは、絶縁体
は発熱素子の電極板を包み込む形で、発熱素子の外周に
モールド成形して外嵌しても良い。(2) When plastic is used as the insulator, the insulator may be molded around the outer periphery of the heating element so as to wrap around the electrode plate of the heating element.
［実験例］
第１図に示す構造を有し、基体３に窒化珪素系セラミッ
ク、環状の絶縁体２にも同一材料のセラミックを使用し
た発熱素子１を製造した。この発熱素子１に環状の絶縁
体２を外嵌したものと、環状の絶縁体２のないものとを
、それぞれ２０個づつ、リード線７．８の引っ張り試験
を行ない、電極板の剥離強度を測定しな。[Experimental Example] A heating element 1 having the structure shown in FIG. 1 was manufactured using a silicon nitride ceramic for the base 3 and a ceramic of the same material for the annular insulator 2. A tensile test was carried out using the lead wires 7 and 8 on 20 heat generating elements 1 with the annular insulator 2 fitted around them and 20 without the annular insulator 2 to determine the peel strength of the electrode plates. Don't measure.
これによりつぎの結果を得た。As a result, the following results were obtained.
絶縁体を外嵌した発熱素子・・・１．ＯＫｇｆ以上絶縁
体のない発熱素子・・・０．２〜０．３ＫｇｆHeat generating element covered with an insulator...1. Heating element with no insulator over OKgf...0.2~0.3Kgf
第１図は本発明のセラミックヒータの第１実施例にかか
る発熱素子を示す斜視図、第２図はその平面断面図、第
３図はその背面図、第４図は該発熱素子を用いたセラミ
ックヒータの斜視図である。
第５図は本発明のセラミックヒータの第２実施例にかか
る発熱素子を示す斜視図、第６図はその背面図である。
第７図は本発明の第３実施例にかかる発熱素子を示す斜
視図、第８図はその背面図である。第９図は従来のセラ
ミックヒータにかかる発熱素子の斜視図、第１０図は該
発熱素子を用いたセラミックヒータの平面断面図である
。
図中、１・・・発熱素子 ２・・・環状の絶縁体 ３・
・・基体 ４・・・電気抵抗体 ５．６・・・銅製電極
板 ７．８・・・リード線 １０・・・セラミック製発
熱体 １００・・・セラミックヒータ １６０・・・筒
状の絶縁物（ハウジング） １７０・・・セメント等の
無機質系の接着剤
代理人 弁理士 石 黒 健 ニ
ー１１＝
第１図
５．６・・・銅製電極板
７．８・・リード線
１０・・・セラミック
＝５３４
第２図
第３図
第４図
１００ セラミックヒータ
１６０・・・筒状の絶縁物（ハウジング）１７０・セメ
ント等の無機質系の接着剤第５図
第６図
１八
第７図
第８図
Ｂ
第９図
第１０図Fig. 1 is a perspective view showing a heating element according to a first embodiment of the ceramic heater of the present invention, Fig. 2 is a plan sectional view thereof, Fig. 3 is a rear view thereof, and Fig. 4 is a diagram showing a heating element using the heating element. FIG. 2 is a perspective view of a ceramic heater. FIG. 5 is a perspective view showing a heating element according to a second embodiment of the ceramic heater of the present invention, and FIG. 6 is a rear view thereof. FIG. 7 is a perspective view showing a heating element according to a third embodiment of the present invention, and FIG. 8 is a rear view thereof. FIG. 9 is a perspective view of a heating element of a conventional ceramic heater, and FIG. 10 is a plan sectional view of a ceramic heater using the heating element. In the figure, 1... heating element 2... ring-shaped insulator 3...
...Base 4...Electric resistor 5.6...Copper electrode plate 7.8...Lead wire 10...Ceramic heating element 100...Ceramic heater 160...Cylindrical insulator (Housing) 170... Inorganic adhesive agent such as cement Patent attorney Ken Ishiguro Knee 11 = Figure 1 5.6... Copper electrode plate 7.8... Lead wire 10... Ceramic = 534 Fig. 2 Fig. 3 Fig. 4 100 Ceramic heater 160... Cylindrical insulator (housing) 170 Inorganic adhesive such as cement Fig. 5 Fig. 6 Fig. 18 Fig. 7 Fig. 8 B Figure 9 Figure 10
Claims (1)
抵抗体を保持させ、該電気抵抗体の端部に電極板をろう
付けし、該電極板にリード線を溶接してなる発熱素子を
備えたセラミックヒータにおいて、 前記発熱素子の、前記電極板を含むリード線接続部に、
環状の絶縁体を緊密に外嵌したことを特徴とするセラミ
ックヒータ。[Claims] 1) An electrical resistor is held on a base made of an electrically insulating ceramic sintered body, an electrode plate is brazed to the end of the electrical resistor, and a lead wire is welded to the electrode plate. In a ceramic heater equipped with a heating element, a lead wire connection portion of the heating element including the electrode plate,
A ceramic heater characterized by a ring-shaped insulator tightly fitted around the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63226936A JP2752649B2 (en) | 1988-09-09 | 1988-09-09 | Ceramic heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63226936A JP2752649B2 (en) | 1988-09-09 | 1988-09-09 | Ceramic heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0275187A true JPH0275187A (en) | 1990-03-14 |
| JP2752649B2 JP2752649B2 (en) | 1998-05-18 |
Family
ID=16852929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63226936A Expired - Fee Related JP2752649B2 (en) | 1988-09-09 | 1988-09-09 | Ceramic heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2752649B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6078028A (en) * | 1999-02-19 | 2000-06-20 | Saint-Gobain Industrial Ceramics, Inc. | Solderless ceramic igniter having a leadframe attachment |
| JP2000337633A (en) * | 1999-05-05 | 2000-12-08 | Beru Ag | Glow plug and method of production |
| US6933471B2 (en) * | 2001-08-18 | 2005-08-23 | Saint-Gobain Ceramics & Plastics, Inc. | Ceramic igniters with sealed electrical contact portion |
| WO2005119128A1 (en) * | 2004-05-28 | 2005-12-15 | Saint-Gobain Ceramics & Plastics, Inc. | Igniter systems |
| WO2019191244A1 (en) | 2018-03-27 | 2019-10-03 | Scp Holdings, Llc. | Hot surface igniters for cooktops |
| JP2019207837A (en) * | 2018-05-30 | 2019-12-05 | 京セラ株式会社 | heater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60165682U (en) * | 1984-04-12 | 1985-11-02 | 日本特殊陶業株式会社 | Double insulation type ceramic glow plug |
| JPS62107393U (en) * | 1985-12-26 | 1987-07-09 |
-
1988
- 1988-09-09 JP JP63226936A patent/JP2752649B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60165682U (en) * | 1984-04-12 | 1985-11-02 | 日本特殊陶業株式会社 | Double insulation type ceramic glow plug |
| JPS62107393U (en) * | 1985-12-26 | 1987-07-09 |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6078028A (en) * | 1999-02-19 | 2000-06-20 | Saint-Gobain Industrial Ceramics, Inc. | Solderless ceramic igniter having a leadframe attachment |
| WO2000049340A1 (en) * | 1999-02-19 | 2000-08-24 | Saint-Gobain Ceramics And Plastics, Inc. | Solderless ceramic igniter having a leadframe attachment |
| AU744351B2 (en) * | 1999-02-19 | 2002-02-21 | Saint-Gobain Ceramics And Plastics, Inc. | Solderless ceramic igniter having a leadframe attachment |
| CZ301586B6 (en) * | 1999-02-19 | 2010-04-21 | Saint-Gobain Ceramics And Plastics, Inc. | Electrical connection for a ceramic hot surface element with metallic termination, ceramic igniter comprising such connection and process for making ceramic igniter termination |
| JP2000337633A (en) * | 1999-05-05 | 2000-12-08 | Beru Ag | Glow plug and method of production |
| US6933471B2 (en) * | 2001-08-18 | 2005-08-23 | Saint-Gobain Ceramics & Plastics, Inc. | Ceramic igniters with sealed electrical contact portion |
| US7241975B2 (en) | 2004-05-28 | 2007-07-10 | Saint-Gobain Ceramics And Plastics, Inc. | Igniter systems with associated lead frame |
| WO2005119128A1 (en) * | 2004-05-28 | 2005-12-15 | Saint-Gobain Ceramics & Plastics, Inc. | Igniter systems |
| WO2019191244A1 (en) | 2018-03-27 | 2019-10-03 | Scp Holdings, Llc. | Hot surface igniters for cooktops |
| WO2019191272A1 (en) | 2018-03-27 | 2019-10-03 | Scp Holdings, Llc. | Hot surface igniters for cooktops |
| EP3775693A4 (en) * | 2018-03-27 | 2021-12-22 | SCP Holdings, an Assumed Business Name of Nitride Igniters, LLC. | Hot surface igniters for cooktops |
| EP3777474A4 (en) * | 2018-03-27 | 2022-08-10 | SCP Holdings, an Assumed Business Name of Nitride Igniters, LLC. | Hot surface igniters for cooktops |
| JP2019207837A (en) * | 2018-05-30 | 2019-12-05 | 京セラ株式会社 | heater |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2752649B2 (en) | 1998-05-18 |
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| LAPS | Cancellation because of no payment of annual fees |