JP3132213B2 - Combustion equipment - Google Patents
Combustion equipmentInfo
- Publication number
- JP3132213B2 JP3132213B2 JP05003750A JP375093A JP3132213B2 JP 3132213 B2 JP3132213 B2 JP 3132213B2 JP 05003750 A JP05003750 A JP 05003750A JP 375093 A JP375093 A JP 375093A JP 3132213 B2 JP3132213 B2 JP 3132213B2
- Authority
- JP
- Japan
- Prior art keywords
- level
- flame
- lean
- combustion state
- output
- 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.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2225/00—Measuring
- F23N2225/26—Measuring humidity
- F23N2225/30—Measuring humidity measuring lambda
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/10—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using thermocouples
Landscapes
- Control Of Combustion (AREA)
- Regulation And Control Of Combustion (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、燃焼状態を検出してフ
ァン回転数を制御する燃焼装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combustion apparatus for detecting a combustion state and controlling a fan speed.
【０００２】[0002]
【従来の技術】従来のこの種の燃焼装置は、図４に示す
ように、第一炎口部１を形成したバーナ本体２には第一
混合気室３を設け、第一炎口部１の両側には壁板４によ
り第二炎口部５を形成した第二混合気室６を設けてい
る。第一混合気室３と第二混合気室６とはバーナ本体２
に設けた混合気連通口７により連通している。８は火炎
の基部を安定化させる保炎板である。壁板４には第二混
合気室６の一次空気比を設定する空気取り入れ口９を開
口している。この様な構成のバーナ本体２が多数本互い
に壁板４を接してバーナケース１０の内部に収められて
いる。１１は第一混合気室３に向かってガスを噴出する
ノズル、１２は第一混合気室３と第二混合気室６に空気
を送るファンである。2. Description of the Related Art In a conventional combustion apparatus of this type, as shown in FIG. 4, a first air-fuel mixture chamber 3 is provided in a burner main body 2 in which a first flame port 1 is formed. A second air-fuel mixture chamber 6 in which a second flame port 5 is formed by the wall plate 4 is provided on both sides of the air-fuel mixture. The first mixture chamber 3 and the second mixture chamber 6 are the burner body 2
Are communicated with each other through an air-fuel mixture communication port 7 provided in the air conditioner. 8 is a flame holding plate for stabilizing the base of the flame. The wall plate 4 has an air intake 9 for setting the primary air ratio of the second mixture chamber 6. A large number of such burner bodies 2 are housed inside the burner case 10 with the wall plate 4 in contact with each other. Reference numeral 11 denotes a nozzle for ejecting gas toward the first air-fuel mixture chamber 3, and 12 denotes a fan for sending air to the first air-fuel mixture chamber 3 and the second air-fuel mixture chamber 6.
【０００３】そして、上記構成の燃焼装置では、ノズル
１１より噴出したガスと空気とは第一混合気室３で混合
して混合気となり、第一炎口部から噴出して点火され、
第一炎口部１には酸素濃度の低い安定した濃火炎が形成
される。また、空気取り入れ口９から流入する多量の空
気と混合気連通口７から供給される混合気と第二混合気
室６で混合して希薄混合気となり、第二炎口部５から噴
出して第一炎口部１に形成した濃火炎の熱的影響により
燃焼し、酸素濃度の高い希薄火炎が形成される。この様
に、濃淡燃焼は、ＮＯｘ濃度が低い希薄火炎の分、全体
として低ＮＯｘ化が図れる。In the combustion apparatus having the above-described structure, the gas and air jetted from the nozzle 11 are mixed in the first air-fuel mixture chamber 3 to form an air-fuel mixture.
A stable rich flame having a low oxygen concentration is formed in the first flame opening 1. Further, a large amount of air flowing in from the air intake port 9 and the air-fuel mixture supplied from the air-fuel mixture communication port 7 are mixed in the second air-fuel mixture chamber 6 to become a lean air-fuel mixture. Combustion occurs due to the thermal effect of the rich flame formed in the first flame port 1, and a lean flame having a high oxygen concentration is formed. As described above, in the lean combustion, NOx can be reduced as a whole by the amount of the lean flame having a low NOx concentration.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来の燃焼装置の構成では、ブンゼン燃焼（濃燃焼）とは
逆に、何等かの要因で空気過剰率が設定よりも小さくな
った場合、希薄火炎が第二炎口部５に近接して保炎する
ので、壁板４や保炎板８の温度が上昇してバーナ本体２
の熱劣化・変形するという課題があった。However, in the configuration of the conventional combustion apparatus described above, contrary to Bunsen combustion (rich combustion), if the excess air ratio becomes smaller than the set value due to some factors, the lean flame Burns near the second flame opening 5, so that the temperature of the wall plate 4 and the flame holding plate 8 rises and the burner body 2
However, there is a problem of heat deterioration and deformation.
【０００５】そこで、本発明は上記課題を解決するもの
で、空気過剰率の最適化を図ることにより機器の安全性
と低ＮＯｘ化の両立を図ることを目的としている。The present invention has been made to solve the above problems, and has as its object to optimize the excess air ratio to achieve both safety of equipment and low NOx.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に本発明の燃焼装置は希薄火炎を形成する希薄炎口に近
接して設けた燃焼状態検知手段と、第一レベルとこの第
一レベルよりも高い第二レベルとを判断する検出レベル
判断手段と、この検出レベル判断手段が燃焼状態検知手
段の出力を第二レベル以上と判断した場合に燃焼状態検
知手段の出力が第二レベル以下になるまでファン回転数
を増加させ、その後に検出レベル判断手段が燃焼状態検
知手段の出力を第一レベル以下と判断した場合にファン
回転数を初期値に戻すファン回転数補正手段とを備えた
ものである。In order to achieve the above object, a combustion apparatus according to the present invention comprises a combustion state detecting means provided near a lean flame port for forming a lean flame, a first level and a first level. Detection level determining means for determining a second level higher than the second level, and when the detection level determining means determines that the output of the combustion state detecting means is equal to or higher than the second level, the output of the combustion state detecting means is equal to or lower than the second level. Fan speed increasing means until the detection level determining means determines that the output of the combustion state detecting means is equal to or lower than the first level, and then returns the fan speed to an initial value. It is.
【０００７】[0007]
【作用】本発明は上記構成によって、何等かの要因で空
気過剰率が非常に小さくなった場合、希薄火炎が希薄炎
口部に近接して保炎するので、燃焼状態検知手段の出力
が上昇する。そして、検出レベル判断手段が燃焼状態検
知手段の出力を第二レベル以上と判断した場合、ファン
回転数補正手段は火炎検出器の出力が第二レベル以下に
なるまでファン回転数を増加させる。この結果、希薄火
炎が希薄炎口部から少し離れて保炎するので、燃焼装置
の熱劣化・変形を防止できる。According to the present invention, when the excess air ratio becomes extremely small due to some factors, the lean flame keeps the flame close to the lean flame opening, so that the output of the combustion state detecting means increases. I do. If the detection level determination means determines that the output of the combustion state detection means is equal to or higher than the second level, the fan rotation speed correction means increases the fan rotation speed until the output of the flame detector becomes equal to or lower than the second level. As a result, lean flame flame stabilizer to Runode a distance from lean flame mouth, the thermal deterioration and deformation of the combustion apparatus can be prevented.
【０００８】その後、先の要因が解除された場合、ファ
ン回転数が多い分、空気過剰率が大きくなり、希薄火炎
が希薄炎口部から離れて保炎するので、燃焼状態検知手
段の出力が低下する。そして、検出レベル判断手段が火
炎検出器の出力を第一レベル以下と判断した場合、ファ
ン回転数補正手段はファン回転数を初期値に強制的に戻
す。したがって、希薄火炎が希薄炎口部からリフトする
ことなく、安定した燃焼状態が実現できる。After that, when the above factor is eliminated, the excess air ratio increases as the number of fan revolutions increases, and the lean flame separates from the lean flame opening to keep the flame. descend. When the detection level determination means determines that the output of the flame detector is equal to or lower than the first level, the fan rotation speed correction means forcibly returns the fan rotation speed to the initial value. Therefore, a stable combustion state can be realized without the lean flame lifting from the lean flame opening.
【０００９】[0009]
【実施例】以下、本発明の一実施例を添付図面にもとづ
いて説明する。An embodiment of the present invention will be described below with reference to the accompanying drawings.
【００１０】図１において、１３は多数の噴出口を開口
した濃火炎の生ずる濃炎孔部で、細長いバーナ本体１４
の上面に設けている。１５は多数の噴出口からなる希薄
火炎の生ずる希薄炎孔部で、平板を山形状に折り曲げて
形成した噴出板１６に設けている。この噴出板１６は複
数本並設したバーナ本体１４の夫々の間に設けている。
バーナ本体１４と噴射板１６とに囲まれた希薄混合室１
７に臨んだバーナ本体１４の側面には希薄連通口１８が
長手方向に複数個設けている。希薄混合室１７には熱接
点を希薄炎孔部１５の上流側近傍に設置した熱電対から
成る燃焼状態検出手段１９が内設され、希薄炎孔部１５
の上流側近傍の雰囲気温度を変換して得られる電気信号
を検出レベル判断手段２０に入力している。検出レベル
判断手段２０はこの入力を第一レベルと第一レベルより
大きい第二レベルにより燃焼状態を判断する。また、第
二レベルは燃焼装置の赤熱限界近傍に設定している。こ
の判断に基づいてファン回転数補正手段２１はファン回
転数を補正する。なお、２２はバーナ本体１４の内部に
設け、濃炎孔１３とスロート部２３とを連通する濃連通
口である。２４は各バーナ本体１４のスロート部２３に
向かってガスを噴出するノズル、２５はバーナケースに
取り付けた希薄混合室１７とスロート部２３とに空気を
送るファンである。In FIG. 1, reference numeral 13 denotes a rich flame hole which has a large number of jet openings and generates a rich flame.
Is provided on the upper surface. Reference numeral 15 denotes a lean flame hole portion having a large number of discharge ports and in which a lean flame is generated, and is provided on a discharge plate 16 formed by bending a flat plate into a mountain shape. The ejection plate 16 is provided between each of the plurality of burner bodies 14 arranged side by side.
Lean mixing chamber 1 surrounded by burner body 14 and spray plate 16
A plurality of diluted communication ports 18 are provided in the longitudinal direction on the side surface of the burner main body 14 facing 7. In the lean mixing chamber 17, combustion state detecting means 19 composed of a thermocouple whose thermal contact is installed near the upstream side of the lean flame hole 15 is provided therein.
An electric signal obtained by converting the ambient temperature near the upstream side of the above is input to the detection level determining means 20. The detection level judging means 20 judges the combustion state based on the input based on the first level and the second level larger than the first level. The second level is set near the red heat limit of the combustion device. Based on this determination, the fan rotation speed correction means 21 corrects the fan rotation speed. Reference numeral 22 denotes a rich communication port provided inside the burner main body 14 and communicating the rich flame hole 13 with the throat portion 23. Reference numeral 24 denotes a nozzle for jetting gas toward the throat portion 23 of each burner main body 14, and reference numeral 25 denotes a burner case.
To the 17 with only lean mixing chamber takes a throat portion 23 is a fan for sending air.
【００１１】次に、上記構成における通常の燃焼動作を
説明する。ファン２５から供給される空気は希薄混合室
１７とスロート部２３とに分配される。一方、ノズル２
４からスロート部２３へ噴出される燃料はバーナ本体１
４の内部で空気と混合する。このバーナ本体１４の内部
の混合気は３０％から６０％の空気比に設定している。
この混合気の一部は濃連通口２２を介して濃炎孔１４よ
り噴出して濃火炎を形成する。一方、残りの大部分の混
合気は希薄連通口１８から希薄混合室１７へ流入し、さ
らに、空気と混合する。希薄混合室１７の混合気は１７
０％から２５０％の空気比に設定している。この希薄混
合気は希薄炎孔部１５から濃火炎へ噴出し、この濃火炎
の熱的影響により燃焼し、酸素濃度の高い希薄火炎が形
成される。この様に、濃淡燃焼は、ＮＯｘ濃度が低い希
薄火炎の分、全体として低ＮＯｘ化が図れる。Next, a normal combustion operation in the above configuration will be described. The air supplied from the fan 25 is distributed to the lean mixing chamber 17 and the throat portion 23. On the other hand, nozzle 2
The fuel injected from the fuel tank 4 into the throat 23 is the burner body 1
4. Mix with air inside 4. The air-fuel mixture inside the burner main body 14 is set to an air ratio of 30% to 60%.
A part of the air-fuel mixture blows out from the rich flame hole 14 through the rich communication port 22 to form a rich flame. On the other hand, most of the remaining air-fuel mixture flows into the lean mixing chamber 17 from the lean communication port 18 and is further mixed with air. The mixture in the lean mixing chamber 17 is 17
The air ratio is set from 0% to 250%. The lean air-fuel mixture blows out from the lean flame hole portion 15 to the rich flame, and is burned by the thermal influence of the rich flame to form a lean flame having a high oxygen concentration. As described above, in the lean combustion, NOx can be reduced as a whole by the amount of the lean flame having a low NOx concentration.
【００１２】次に、無風から突然強風が発生し、空気過
剰率が非常に小さくなった場合と、逆に強風から突然無
風になり、空気過剰率が非常に大きくなった場合の両極
端について、図２〜図３を用いて説明する。Next, two extremes, one in which a strong wind suddenly occurs from no wind and the excess air ratio becomes very small, and the other case where the strong wind suddenly becomes no wind and the excess air ratio becomes very large, are shown in FIG. This will be described with reference to FIGS.
【００１３】最初に、時刻ｔ０に無風から突然強風が発
生し、この強風による排気抵抗の増加に伴い、空気過剰
率が非常に小さくなった場合について説明する。この場
合、希薄火炎が希薄炎口部１５に近接して保炎するの
で、熱電対の熱接点が火炎の輻射により加熱されて燃焼
状態検知手段１９の出力が上昇し始める。また、同様に
噴出板１６の温度も上昇し始める。そして、ステップ２
６で検出レベル判断手段２０が燃焼状態検知手段１９の
出力を第二レベルと比較する。時刻ｔ１に燃焼状態検知
手段１９の出力が第二レベルを越えたことをステップ２
６で判断すると、ステップ２７でファン回転数補正手段
２１はファン回転数をＮｒｐｍ増加させる。次に、ステ
ップ２８で、検出レベル判断手段２０が燃焼状態検知手
段１９の出力を第二レベルと比較する。そして、燃焼状
態検知手段１９の出力が第二レベルよりも低下していな
いことをステップ２８で判断すると、再度ステップ２７
を実行する。時刻ｔ２に燃焼状態検知手段の出力が第二
レベル以下であることをステップ２８で判断すると、こ
のファン回転数を維持する。この結果、希薄火炎が希薄
炎口部１５から少し離れてして保炎するので、燃焼装置
の熱劣化・変形を防止できる。First, a case will be described in which a strong wind suddenly occurs from no wind at time t0, and the excess air ratio becomes very small with the increase in exhaust resistance due to the strong wind. In this case, since the lean flame keeps the flame close to the lean flame port 15, the thermal contact of the thermocouple is heated by the radiation of the flame, and the output of the combustion state detecting means 19 starts to rise. Similarly, the temperature of the ejection plate 16 also starts to rise. And step 2
At 6, the detection level judgment means 20 compares the output of the combustion state detection means 19 with the second level. At the time t1, the output of the combustion state detecting means 19 exceeds the second level.
When the determination is made in step 6, the fan rotation speed correcting means 21 increases the fan rotation speed by Nrpm in step 27. Next, in step 28, the detection level judgment means 20 compares the output of the combustion state detection means 19 with the second level. Then, when it is determined in step 28 that the output of the combustion state detecting means 19 has not dropped below the second level, step 27 is repeated.
Execute If it is determined in step 28 that the output of the combustion state detecting means is equal to or lower than the second level at time t2, the fan speed is maintained. As a result, the lean flame keeps the flame slightly away from the lean flame port portion 15, so that the thermal deterioration and deformation of the combustion device can be prevented.
【００１４】続いて、時刻ｔ３に強風から突然強風な
り、強風による排気抵抗が解消した場合について説明す
る。この場合、逆にファン回転数を増加した分、空気過
剰率が非常に大きくなり、希薄火炎が希薄炎口部１５か
ら離れて保炎するので、燃焼状態検知手段１９の出力が
低下し始める。次に、ステップ２９で、検出レベル判断
手段２０が燃焼状態検知手段１９の出力を第一レベルと
比較する。そして、燃焼状態検知手段の出力が第一レベ
ルより低下していないことをステップ２９で判断する
と、再度ステップ２８を実行する。その後、時刻ｔ４に
燃焼状態検知手段１９の出力が第一レベル以下になった
ことをステップ２９で判断すると、ステップ３０でファ
ン回転数補正手段２１はファン回転数を初期値に強制的
に戻す。したがって、第一レベルを設けることによっ
て、短時間で希薄火炎が希薄炎口部１５からリフトする
ことを防止し、安定した燃焼状態が実現できる。Next, the case where the strong wind suddenly changes from the strong wind at time t3 and the exhaust resistance caused by the strong wind is eliminated will be described. In this case, on the contrary, the excess air ratio becomes very large by the increase of the fan rotation speed, and the lean flame separates from the lean flame port 15 and keeps the flame, so that the output of the combustion state detecting means 19 starts to decrease. Next, in step 29, the detection level judgment means 20 compares the output of the combustion state detection means 19 with the first level. If it is determined in step 29 that the output of the combustion state detecting means has not dropped below the first level, step 28 is executed again. Thereafter, when it is determined in step 29 that the output of the combustion state detecting means 19 has become equal to or lower than the first level at time t4, in step 30, the fan rotational speed correcting means 21 forcibly returns the fan rotational speed to the initial value. Therefore, by providing the first level, it is possible to prevent the lean flame from lifting from the lean flame opening 15 in a short time, and to realize a stable combustion state.
【００１５】燃焼状態検知手段１９には希薄炎孔部１５
の上流側近傍に熱電対の熱接点やフレームロッドを設置
しても同様の効果が得られる。The combustion state detecting means 19 includes the lean flame hole 15
The same effect can be obtained by installing a thermal junction of a thermocouple or a frame rod in the vicinity of the upstream side.
【００１６】[0016]
【発明の効果】以上のように本発明の燃焼装置によれば
次の効果が得られる。As described above, according to the combustion apparatus of the present invention, the following effects can be obtained.
【００１７】第一レベルとこの第一レベルよりも高い第
二レベルとを判断する検出レベル判断手段が燃焼状態検
知手段の出力を第二レベル以上と判断した場合、燃焼状
態検知手段の出力が第二レベル以下になるまでファン回
転数を増加させ、希薄火炎が希薄炎口部から少し離れて
して保炎するので、燃焼装置の熱劣化・変形の防止が図
れる。If the detection level determining means for determining the first level and the second level higher than the first level determines that the output of the combustion state detecting means is equal to or higher than the second level, the output of the combustion state detecting means becomes the second level. The number of revolutions of the fan is increased to two levels or less, and the lean flame keeps the flame slightly away from the lean flame opening, so that the thermal deterioration and deformation of the combustion device can be prevented.
【００１８】さらに、検出レベル判断手段が火炎検出器
の出力を第一レベル以下と判断した場合、ファン回転数
補正手段はファン回転数を初期値に強制的に戻すので、
希薄火炎が希薄炎口部からリフトすることを防止し、安
定した燃焼状態の実現が図られる。Further, when the detection level judgment means judges that the output of the flame detector is equal to or lower than the first level, the fan speed correction means forcibly returns the fan speed to the initial value.
The lean flame is prevented from being lifted from the lean flame opening, and a stable combustion state is achieved.
【図１】本発明の一実施例の燃焼装置の構成図FIG. 1 is a configuration diagram of a combustion apparatus according to an embodiment of the present invention.
【図２】同燃焼装置の特性図FIG. 2 is a characteristic diagram of the combustion device.
【図３】同燃焼装置のファン回転数補正のフローチャー
トFIG. 3 is a flowchart of correction of a fan rotation speed of the combustion device.
【図４】従来の燃焼装置の断面図FIG. 4 is a sectional view of a conventional combustion device.
１５ 希薄炎口 １９ 燃焼状態検出手段 ２０ 検出レベル判断手段 ２１ ファン回転数補正手段 15 Lean flame port 19 Combustion state detecting means 20 Detection level judging means 21 Fan rotation speed correcting means
───────────────────────────────────────────────────── フロントページの続き (72)発明者 木村 洋一 大阪府門真市大字門真1006番地 松下電 器産業株式会社内 (56)参考文献 特開 平６−42741（ＪＰ，Ａ) 特開 平６−117628（ＪＰ，Ａ) 特開 平５−322157（ＪＰ，Ａ) 特開 平４−136611（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) F23N 5/10 320 F23C 11/00 329 F23N 3/08 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yoichi Kimura 1006 Kadoma, Kazuma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-6-42741 (JP, A) JP-A-6-204 117628 (JP, A) JP-A-5-322157 (JP, A) JP-A-4-136611 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) F23N 5/10 320 F23C 11/00 329 F23N 3/08
Claims (1)
けた燃焼状態検知手段と、この燃焼状態検知手段の出力
を第一レベルとこの第一レベルよりも高い第二レベルと
の二水準で判断する検出レベル判断手段と、この検出レ
ベル判断手段により前記燃焼状態検知手段の出力が第二
レベルの水準以上と判断された場合には、前記燃焼状態
検知手段の出力が前記第二レベルの水準以下になるまで
ファン回転数を増加させ、その後に前記燃焼状態検知手
段の出力が第一レベルの水準以下と判断された場合に
は、前記ファン回転数を初期値に戻すファン回転数補正
手段とを備えた燃焼装置。1. A combustion state detecting means provided near a lean flame port for forming a lean flame, and an output of the combustion state detecting means is divided into a first level and a second level higher than the first level. Detection level judging means for judging by the level, and when the output of the combustion state detecting means is judged to be higher than the level of the second level by the detection level judging means, the output of the combustion state detecting means is set to the second level. The fan speed is increased until the output of the combustion state detecting means is equal to or lower than the first level, and then the fan speed is returned to the initial value. And a combustion device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05003750A JP3132213B2 (en) | 1993-01-13 | 1993-01-13 | Combustion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05003750A JP3132213B2 (en) | 1993-01-13 | 1993-01-13 | Combustion equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06213431A JPH06213431A (en) | 1994-08-02 |
| JP3132213B2 true JP3132213B2 (en) | 2001-02-05 |
Family
ID=11565877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05003750A Expired - Lifetime JP3132213B2 (en) | 1993-01-13 | 1993-01-13 | Combustion equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3132213B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19639487A1 (en) * | 1996-09-26 | 1998-04-09 | Honeywell Bv | Method and device for optimizing the operation of a gas burner |
-
1993
- 1993-01-13 JP JP05003750A patent/JP3132213B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06213431A (en) | 1994-08-02 |
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