JPH04137301A - Head lamp for vehicle - Google Patents
Head lamp for vehicleInfo
- Publication number
- JPH04137301A JPH04137301A JP2255422A JP25542290A JPH04137301A JP H04137301 A JPH04137301 A JP H04137301A JP 2255422 A JP2255422 A JP 2255422A JP 25542290 A JP25542290 A JP 25542290A JP H04137301 A JPH04137301 A JP H04137301A
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- bulb
- discharge
- discharge bulb
- light
- 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
- 230000037431 insertion Effects 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 abstract description 11
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 229920003002 synthetic resin Polymers 0.000 description 5
- 239000000057 synthetic resin Substances 0.000 description 5
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/17—Discharge light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/19—Attachment of light sources or lamp holders
- F21S41/192—Details of lamp holders, terminals or connectors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は光源として放電バルブを用いた車輌用ヘッドラ
ンプに係り、特に放電バルブが金属製のりフレフタ−に
挿着されている車輌用ヘッドランプに関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a vehicular headlamp using a discharge bulb as a light source, and particularly to a vehicular headlamp in which the discharge bulb is inserted into a metal glue flaper. Regarding.
〔従来技術及び発明の解決しようとする課題〕放電ラン
プは発光効率及び演色性が良好で、しかも寿命が長いと
いう点から車輌用、特に自動車用のヘッドランプの光源
として注目されている。[Prior Art and Problems to be Solved by the Invention] Discharge lamps are attracting attention as light sources for vehicles, particularly automobile headlamps, because they have good luminous efficiency and color rendering properties, and have a long lifespan.
第３図は放電ランプを自動車用ヘッドランプのバルブと
して用いた投射型ヘッドランプのバルブ挿着部の断面図
である。図において、放電バルブ１は、合成樹脂製の口
金３の前方に突出する長短−対のリードサポート４，５
によって放電ランプ２が両端支持された構造で、リフレ
クタ−６のバルブ挿着孔６ａに挿着固定されて、光投射
ユニットＵとして一体化されている。光投射ユニットＵ
は、リフレクタ−６と、投射レンズ７ａを保持するレン
ズホルダー７とのユニット体で、放電ランプ２の熱がユ
ニットＵ内にこもる傾向にあるため、リフレクタ−６は
耐熱性や放熱性を考慮して金属製とされている。符号４
ａ、５ａは口金３゛の背面側に突出するバルブ側雄端子
で、通電路として作用するリードサポート４，５に口金
３内においてそれぞれ接続されており、両端子４ａ、５
ａは電源側のコネクター８に接続されている。そして放
電ランプ２を点灯する際には、たとえば１５〜２０ＫＶ
という高電圧が印加されるため、端子４ａ。FIG. 3 is a sectional view of a bulb insertion part of a projection type headlamp using a discharge lamp as a bulb of an automobile headlamp. In the figure, a discharge bulb 1 has a pair of long and short reed supports 4 and 5 that protrude in front of a synthetic resin cap 3.
The discharge lamp 2 has a structure in which both ends are supported by the reflector 6, and is inserted and fixed into the bulb insertion hole 6a of the reflector 6, and is integrated as a light projection unit U. Light projection unit U
is a unit body consisting of a reflector 6 and a lens holder 7 that holds a projection lens 7a, and since the heat of the discharge lamp 2 tends to be trapped inside the unit U, the reflector 6 is designed in consideration of heat resistance and heat dissipation. It is said to be made of metal. code 4
Numerals a and 5a are male terminals on the valve side that protrude from the back side of the cap 3', and are connected inside the cap 3 to lead supports 4 and 5, which act as current-carrying paths, and both terminals 4a and 5
a is connected to the connector 8 on the power supply side. When lighting the discharge lamp 2, for example, 15 to 20 KV is applied.
Terminal 4a.
５８間には合成樹脂製の隔壁３ａが形成されて両端子４
ａ、５ａ間の絶縁が確保されている。しかし端子４ａ、
５ａとりフレフタ−６間、またはリードサポート４，５
とリフレクタ−６間においては十分な絶縁が考慮されて
おらず、バルブ挿着部における絶縁性に不安が残るとい
う問題があった。A synthetic resin partition wall 3a is formed between the terminals 4 and 58.
Insulation between a and 5a is ensured. However, terminal 4a,
Between 5a and flaper 6, or lead supports 4 and 5
There was a problem in that sufficient insulation was not taken into consideration between the reflector and the reflector 6, and there remained concerns about the insulation at the bulb insertion part.
本発明は前記従来技術の問題点に鑑みなされたもので、
その目的は簡単な構成によってリフレクタ−と放電バル
ブ側通電部間の絶縁性の確かな車輌用ヘッドランプを提
供することにある。The present invention has been made in view of the problems of the prior art,
The object is to provide a vehicular headlamp with a simple structure and reliable insulation between the reflector and the current-carrying part on the discharge bulb side.
前記目的を達成するために、本発明に係る車輌用ヘッド
ランプにおいては、金属製リフレクタ−のバルブ挿着孔
に放電バルブが挿着された車輌用ヘッドランプにおいて
、リフレクタ−の少なくとも放電バルブに臨む領域表面
に電気絶縁層を形成するようにしたものである。In order to achieve the above object, in a vehicle headlamp according to the present invention, in which a discharge bulb is inserted into a bulb insertion hole of a metal reflector, at least a portion of the reflector facing the discharge bulb is provided. An electrically insulating layer is formed on the surface of the region.
金属製リフレクタ−の放電バルブに臨む領域表面に形成
されている電気絶縁層が放電バルブ側の通電部とりフレ
フタ−間の絶縁性を高める。The electrically insulating layer formed on the surface of the area of the metal reflector facing the discharge bulb improves the insulation between the current-carrying part on the discharge bulb side and the reflector.
次に、本発明の実施例を図面に基づいて説明する。 Next, embodiments of the present invention will be described based on the drawings.
第１図は本発明の一実施例である自動車用ヘッドランプ
の縦断面図、第２図はバルブ挿着部を後方から見た分解
斜視図である。FIG. 1 is a longitudinal cross-sectional view of an automobile headlamp according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of a bulb insertion portion seen from the rear.
符号１０は容器状のランプボディで、ランプボディ１０
内には図示しないエイミング機構によって光投射ユニッ
ト２０が傾動可能に支持されている。Reference numeral 10 is a container-shaped lamp body;
Inside, a light projection unit 20 is tiltably supported by an aiming mechanism (not shown).
光投射ユニット２ｏは、楕円体形状のＡＱ製リフレクタ
−２２と、このリフレクタ−の後頂部に形成されたバル
ブ挿着孔２３に挿着された放電バルブ３０と、前面に投
射レンズ２６が固定され、リフレクタ−２２の前面開口
部に取着されたＡＱ製レンズホルダー２４とが一体化さ
れた構造となっている。符号２６ａは投射レンズ２６を
レンズホルダー２４にカシメ固定する環状のレンズ固定
枠、符号５ｏは放電バルブ３０をバルブ挿着孔２３に固
定保持するためのロッキングキャップである。The light projection unit 2o includes an ellipsoidal reflector 22 made of AQ, a discharge bulb 30 inserted into a bulb insertion hole 23 formed at the rear top of the reflector, and a projection lens 26 fixed to the front surface. , and a lens holder 24 manufactured by AQ attached to the front opening of the reflector 22 are integrated. Reference numeral 26a is an annular lens fixing frame for caulking and fixing the projection lens 26 to the lens holder 24, and reference numeral 5o is a locking cap for fixing and holding the discharge bulb 30 in the bulb insertion hole 23.
放電バルブ３０は、合成樹脂製の口金３１の前面に突出
する長短一対のリートサポート３２ａ。The discharge bulb 30 includes a pair of long and short reed supports 32a that protrude from the front of a synthetic resin base 31.
３２ｂに放電ランプ３４が両端支持された構造で、放電
バルブ３０がバルブ挿着孔２３に挿着された状態におい
て、放電ランプ３４の放電部３４ａがリフレクタ−２２
の第１焦点位Ｗｆ□に配置されている。また口金３１の
前面には、放電ランプ３４を包囲する円筒形状の紫外線
遮蔽用グローブ３８がセラミック製のグローブ保持プレ
ート３９を介して固定保持されており、放電部３４ａか
らりフレフタ−２２に向かう光から有害な波長域の紫外
線をカットするようになっている。リフレクタ−２２の
第２焦点位置ｆ２近傍には、レンズホルダー２４に一体
形成れたクリアカット形成用のシェード２５、及びレン
ズホルダー２４に板ばね部材２７ａにより固定保持され
た紫外線遮蔽用フィルター２７が設けられている。そし
て放電ランプ３４の放電部３４ａの発光はりフレフタ−
２２で反射され、リフレクタ−２２の第２焦点ｆ２に収
束後、投射レンズ２６によって平行光とされて前方に投
射される。フィルター２７は、リフレクタ−２２で反射
されて投射レンズ２６に向かう光から再度紫外線をカッ
トするとともに、紫外線遮蔽用グローブ４０の先端開口
部から出射した光から紫外線をカットする。32b has a structure in which the discharge lamp 34 is supported at both ends, and when the discharge bulb 30 is inserted into the bulb insertion hole 23, the discharge part 34a of the discharge lamp 34 is connected to the reflector 22.
is placed at the first focal point Wf□. Further, a cylindrical ultraviolet shielding globe 38 that surrounds the discharge lamp 34 is fixedly held on the front surface of the base 31 via a ceramic globe holding plate 39. It is designed to block ultraviolet rays in the harmful wavelength range. Near the second focal point f2 of the reflector 22, a shade 25 for forming a clear cut integrally formed with the lens holder 24, and an ultraviolet shielding filter 27 fixedly held on the lens holder 24 by a leaf spring member 27a are provided. It is being The light emitting beam of the discharge portion 34a of the discharge lamp 34 is
22, and after converging on the second focal point f2 of the reflector 22, it is converted into parallel light by the projection lens 26 and projected forward. The filter 27 again cuts ultraviolet rays from the light reflected by the reflector 22 and directed toward the projection lens 26, and also cuts ultraviolet rays from the light emitted from the opening at the tip of the ultraviolet shielding glove 40.
また紫外線遮蔽用グローブ３８の先端部３８ａは、リフ
レクタ−２２のバルブ挿着孔２３周りに形成されている
ホットゾーン形成用光反射面２２ａでの反射光α、を遮
らない位置とされている。Further, the tip end 38a of the ultraviolet shielding globe 38 is positioned so as not to block the reflected light α from the hot zone forming light reflecting surface 22a formed around the bulb insertion hole 23 of the reflector 22.
即ち、リフレクタ−２２で反射してホットゾーンの配光
に寄与する光Ｑ工の光路上に紫外線遮蔽用グローブ３８
が延出せず、従って、リフレクタ−２２で反射してホッ
トゾーンの配光に寄与する光の一部がケラれることかな
いので、ホットゾーン領域には十分な光が配光されて、
適正な大きさかつ十分な光度のホットゾーンが得られる
。That is, an ultraviolet shielding glove 38 is placed on the optical path of the light beam that is reflected by the reflector 22 and contributes to the light distribution in the hot zone.
does not extend, and therefore, a portion of the light that is reflected by the reflector 22 and contributes to the light distribution in the hot zone is not vignetted, so that sufficient light is distributed in the hot zone area.
A hot zone of appropriate size and sufficient luminosity is obtained.
バルブの口金３１は１例えばＰＰＳ等の合成樹脂材の一
体成形により形成されており、口金３１の裏側には、リ
ードサポート３２ａ、３２ｂにそれぞれ溶接一体化され
たコネクター雄端子３２Ｃ２３２ｄを突出させた雄コネ
クタ−１５が一体に形成されている。符号３３は両端子
３２ｃ、３２ａ間に延出する放電防止用隔壁である。口
金３１の前面には周方向に所定距離離間された３個の光
軸方向位置決め用の突起３１ａ（第１図参照）が設けら
れ、口金３１の外周縁部にはバルブ挿着孔２３側の係合
突起４５に係合する周方向位置決め用の切欠３１ｂが形
成されている。The valve cap 31 is formed by integrally molding a synthetic resin material such as PPS, and the back side of the cap 31 has male connector terminals 32C and 32d protruding from each other, each of which is welded to the lead supports 32a and 32b. A connector 15 is integrally formed. Reference numeral 33 denotes a discharge-preventing partition extending between both terminals 32c and 32a. Three protrusions 31a (see FIG. 1) for positioning in the optical axis direction are provided on the front surface of the cap 31 and are spaced a predetermined distance apart in the circumferential direction. A circumferential positioning notch 31b that engages with the engagement protrusion 45 is formed.
一方、リフレクタ−２２の後頂部に形成されているバル
ブ挿着孔２３の後端側周縁部は円筒状に後方に突出し、
この円筒形状後方突出部４０の外周には３個のバヨネッ
ト部４２が形成されている。On the other hand, the rear end side peripheral edge of the bulb insertion hole 23 formed at the rear top of the reflector 22 protrudes rearward in a cylindrical shape.
Three bayonet parts 42 are formed on the outer periphery of this cylindrical rear projection part 40.
またこの孔２３の周縁部には、孔２３の径より一回り大
きい口金３１係合用の円環溝４４が形成されている。こ
の円環溝４４内には口金３１の切欠３１ｂに対応する係
合突起４５が形成されている。Further, an annular groove 44 for engaging the cap 31, which is slightly larger than the diameter of the hole 23, is formed at the peripheral edge of the hole 23. An engaging protrusion 45 corresponding to the notch 31b of the base 31 is formed within the annular groove 44.
そして係合突起４５に切欠３１ｂを係合させて。Then, the notch 31b is engaged with the engagement protrusion 45.
放電バルブ３０がバルブ挿着孔２３に挿着され、ロッキ
ングキャップ５０をバヨネット部４２にバヨネット係合
させて放電バルブ３０をバルブ挿着孔２３に固定してい
る。The discharge bulb 30 is inserted into the bulb insertion hole 23 , and the locking cap 50 is bayonet-engaged with the bayonet portion 42 to fix the discharge bulb 30 in the valve insertion hole 23 .
符号６ｏはりフレフタ−２２のバルブ挿着孔２３の内周
面に形成されているアルマイト皮膜で、ＡＱ製リフレク
タ−２２と放電バルブ側の端子３２ｃ、３２ｄとの間の
絶縁性、及びＡＭ製リフレクタ−２２とリードサポート
３２ａ、３２ｂとの間の絶縁性が高められている。なお
リフレクタ−２２の絶縁性を高めるには、アルマイト皮
膜６０の厚さは４０μｍ以上とすることが望ましい。The alumite film formed on the inner circumferential surface of the valve insertion hole 23 of the 6o beam deflector 22 provides insulation between the AQ reflector 22 and the terminals 32c and 32d on the discharge valve side, and the AM reflector. -22 and the lead supports 32a, 32b have improved insulation. Note that in order to improve the insulation properties of the reflector 22, it is desirable that the thickness of the alumite film 60 be 40 μm or more.
なお符号１２は放電バルブ用の点灯回路（図示せず）を
収容した点灯回路収容ユニットで、ランプボディ１０の
後頂部に形成された開口部１１に円筒形状延出部１３を
介して取着一体化されており、点灯回路から延びるリー
ド線りに接続された雌側コネクター１４が口金３１の裏
側に一体に形成されている雄側コネクター（端子３２ｃ
、３２ｄ）に接続さ九ている。符号１６は光投射ユニッ
ト２０の投射レンズ２６周りに配置された合成樹脂製の
化粧板で、表面には銀色塗装が施されてヘッドランプの
非点灯時の見栄えを良くしている。Reference numeral 12 denotes a lighting circuit housing unit that houses a lighting circuit (not shown) for a discharge bulb, and is integrally attached to an opening 11 formed at the rear top of the lamp body 10 via a cylindrical extension 13. The female connector 14 connected to the lead wire extending from the lighting circuit is connected to the male connector (terminal 32 c
, 32d). Reference numeral 16 denotes a synthetic resin decorative plate disposed around the projection lens 26 of the light projection unit 20, and its surface is painted silver to improve its appearance when the headlamp is not lit.
また符号１８はランプボディ１０の前面開口部に組付一
体化されたレンズである。Further, reference numeral 18 is a lens assembled and integrated into the front opening of the lamp body 10.
なおアルマイト皮膜に代わる電気絶縁層の他の例として
は、樹脂コーテイング膜が考えられる。Note that a resin coating film can be considered as another example of the electrically insulating layer in place of the alumite film.
また前記実施例では投射型ヘッドランプについて説明し
たが、放電バルブの光を放物面形状のりフレフタ−で反
射させて配光する反射型ヘッドランプについても同様に
適用できる。そして例えば反射型ヘッドランプの放物面
反射鏡の光反射面として機能しない放電バルブに臨むバ
ルブ挿着孔領域にアルマイト皮膜や樹脂コーテイング膜
からなる電気絶縁層を形成すればよい。Further, in the above embodiment, a projection type headlamp has been described, but the present invention can be similarly applied to a reflection type headlamp in which light from a discharge bulb is reflected by a paraboloidal flap to distribute the light. For example, an electrical insulating layer made of an alumite film or a resin coating film may be formed in the region of the bulb insertion hole facing the discharge bulb, which does not function as a light reflecting surface of a parabolic reflector of a reflective headlamp.
さらに前記実施例では自動車用ヘッドランプを例にとっ
て説明したが、自動二輪車や原動機付自転車用のヘッド
ランプについても同様に適用できる。Furthermore, although the above embodiments have been explained using automobile headlamps as an example, the present invention can be similarly applied to headlamps for motorcycles and motorized bicycles.
以上の説明から明がなように、本発明に係る車輌用ヘッ
ドランプによれば、金属製リフレクタ−の放電バルブに
臨む領域表面に形成されている電気絶縁層が放電バルブ
側の通電部とりフレフタ−間の絶縁性を高めるので、放
電バルブ挿着部における絶縁性の確保された車輌用ヘッ
ドランプが得られる。As is clear from the above description, according to the vehicle headlamp according to the present invention, the electrically insulating layer formed on the surface of the area of the metal reflector facing the discharge bulb covers the current-carrying part on the discharge bulb side and the flap. Since the insulation between the discharge bulb and the discharge bulb is improved, it is possible to obtain a vehicle headlamp in which insulation at the discharge bulb insertion portion is ensured.
第１図は本発明の一実施例である自動車用ヘッドランプ
の縦断面図、第２図はバルブ挿着部を後方から見た分解
斜視図、第３図は従来の自動車用ヘッドランプの縦断面
図である。
２２・・・ＡＱ製リフレクタ−
２３・・・バルブ挿着孔、 ３０・・放電バルブ、３
１・・・バルブの口金、
３２ａ、３２ｂ・・・放電バルブ側の通電部であるリー
ドサポート、
３２ｃ、３２ｄ・・・放電バルブ側の通電部である雄端
子、
６０・・・電気絶縁層であるアルマイト皮膜。Fig. 1 is a longitudinal sectional view of an automobile headlamp that is an embodiment of the present invention, Fig. 2 is an exploded perspective view of the bulb insertion part seen from the rear, and Fig. 3 is a longitudinal sectional view of a conventional automobile headlamp. It is a front view. 22... AQ reflector 23... Valve insertion hole, 30... Discharge bulb, 3
1... Valve cap, 32a, 32b... Lead support which is a current carrying part on the discharge bulb side, 32c, 32d... Male terminal which is a current carrying part on the discharge bulb side, 60... Electrical insulating layer An alumite film.
Claims (1)
が挿着された車輌用ヘッドランプにおいて、リフレクタ
ーの少なくとも放電バルブに臨む領域表面に電気絶縁層
が形成されたことを特徴とする車輌用ヘッドランプ。(1) A vehicular head lamp in which a discharge bulb is inserted into a bulb insertion hole of a metal reflector, characterized in that an electrical insulating layer is formed on at least the surface of the region of the reflector facing the discharge bulb. lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2255422A JP2642777B2 (en) | 1990-09-27 | 1990-09-27 | Vehicle headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2255422A JP2642777B2 (en) | 1990-09-27 | 1990-09-27 | Vehicle headlamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04137301A true JPH04137301A (en) | 1992-05-12 |
| JP2642777B2 JP2642777B2 (en) | 1997-08-20 |
Family
ID=17278544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2255422A Expired - Fee Related JP2642777B2 (en) | 1990-09-27 | 1990-09-27 | Vehicle headlamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2642777B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2369562A1 (en) * | 2010-03-26 | 2011-09-28 | Honeywell International Inc. | On-axis collimator reflector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01189494A (en) * | 1988-01-22 | 1989-07-28 | Soken Kagaku Kk | Heating of fluid in fluidized bed of fine powder |
-
1990
- 1990-09-27 JP JP2255422A patent/JP2642777B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01189494A (en) * | 1988-01-22 | 1989-07-28 | Soken Kagaku Kk | Heating of fluid in fluidized bed of fine powder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2369562A1 (en) * | 2010-03-26 | 2011-09-28 | Honeywell International Inc. | On-axis collimator reflector |
| US8388155B2 (en) | 2010-03-26 | 2013-03-05 | Honeywell International Inc. | On-axis collimator reflector |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2642777B2 (en) | 1997-08-20 |
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| LAPS | Cancellation because of no payment of annual fees |