JPH04131604A - Kerosene burner - Google Patents
Kerosene burnerInfo
- Publication number
- JPH04131604A JPH04131604A JP25327690A JP25327690A JPH04131604A JP H04131604 A JPH04131604 A JP H04131604A JP 25327690 A JP25327690 A JP 25327690A JP 25327690 A JP25327690 A JP 25327690A JP H04131604 A JPH04131604 A JP H04131604A
- Authority
- JP
- Japan
- Prior art keywords
- sub
- main
- vaporization
- vaporization chamber
- chamber
- 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
- 239000003350 kerosene Substances 0.000 title 1
- 238000009834 vaporization Methods 0.000 claims abstract description 83
- 230000008016 vaporization Effects 0.000 claims abstract description 69
- 238000002485 combustion reaction Methods 0.000 claims abstract description 52
- 239000000446 fuel Substances 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000006200 vaporizer Substances 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 5
- 230000020169 heat generation Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 11
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 239000013589 supplement Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Landscapes
- Spray-Type Burners (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、石油を燃料とし、複数個のバーナを備えた燃
焼装置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a combustion apparatus using petroleum as fuel and having a plurality of burners.
従来の技術
従来のこの種の装置は、第４図に示すように、気化筒１
にはヒータ２が内蔵され、内部には気化筒蓋３によって
仕切られた気化室４が形成され、上部には受熱壁５を設
けている。気化室４には気化筒入口６が開口され、ポン
プ（図示せず）に接続された送油ノズル７を臨ませてお
り、気化筒蓋３の上部にはバーナヘッド８が載置されて
いる。2. Description of the Related Art A conventional device of this type has a vaporizer cylinder 1 as shown in FIG.
A heater 2 is built in, a vaporization chamber 4 partitioned off by a vaporization cylinder lid 3 is formed inside, and a heat receiving wall 5 is provided on the upper part. A vaporizing cylinder inlet 6 is opened in the vaporizing chamber 4 and faces an oil feed nozzle 7 connected to a pump (not shown), and a burner head 8 is placed on the top of the vaporizing cylinder lid 3. .
空気室９には気化筒１と送油ノズル７およびバーナヘッ
ド８がそれぞれ２個配置されているとともに、下部には
燃焼ファン１０が接続され、上部の受熱壁５の周囲には
２次空気口１１が開口されている。In the air chamber 9, two vaporizing cylinders 1, two oil feeding nozzles 7, and two burner heads 8 are arranged, a combustion fan 10 is connected to the lower part, and a secondary air port is provided around the upper heat receiving wall 5. 11 is open.
上記構成において、ヒータ２に通電し気化筒１が所定温
度まで加熱されると、燃焼ファン１０が作動し、空気室
９を介して気化筒入口６から気化用空気が気化室４に供
給されるとともに送油ノズル７から燃料が供給され、加
熱された気化室４の壁面に接触して気化する。気化ガス
になった燃料は気化用空気と混合して予混合気となり、
気化？Ｊ蓋３の開口部を介してバーナヘッド８から噴出
し、点火器（図示せず）により点火され燃焼する。また
空気室９から、２次空気口１１から供給される２次空気
によって完全燃焼が行われる。燃焼中、受熱壁５は燃焼
熱を受熱し気化筒ｌを加熱するために、ヒータ２への通
電量が減少し燃焼中の消費電力を低減させる。また必要
な燃焼量に応じて一方の送油ノズル７からの燃料を供給
したり停止したりすることにより、一方のバーナヘッド
８における燃焼を継続または停止するようにしていた。In the above configuration, when the heater 2 is energized and the vaporization tube 1 is heated to a predetermined temperature, the combustion fan 10 is activated, and vaporizing air is supplied to the vaporization chamber 4 from the vaporization tube inlet 6 via the air chamber 9. At the same time, fuel is supplied from the oil supply nozzle 7, contacts the heated wall surface of the vaporization chamber 4, and vaporizes. The fuel that has become vaporized gas is mixed with vaporizing air to form a premixture,
Vaporization? It is ejected from the burner head 8 through the opening of the J lid 3, ignited by an igniter (not shown), and combusted. Further, complete combustion is performed by secondary air supplied from the air chamber 9 through the secondary air port 11. During combustion, the heat-receiving wall 5 receives combustion heat and heats the vaporization cylinder 1, so that the amount of electricity supplied to the heater 2 is reduced, reducing power consumption during combustion. Furthermore, combustion in one burner head 8 is continued or stopped by supplying or stopping fuel from one oil feed nozzle 7 depending on the required combustion amount.
発明が解決しようとするｍＲ
しかしながら、上記のような従来の構成においては、２
つのバーナヘッド８において、一方が燃焼し他方が停止
している場合、次の燃焼に備えて停止側の気化筒１を所
定温度に維持しておく必要があるが、燃焼熱の受熱がで
きないためにヒータ２に通電して加熱していた。この場
合、停止側の気化筒１にも気化用空気が供給されている
ために、気化筒ｌからの放熱量が多く所定温度を維持す
るために非常に多くの通電量を必要とする問題を有して
いた。mR to be solved by the invention However, in the conventional configuration as described above, 2
When one of the two burner heads 8 is burning and the other is stopped, it is necessary to maintain the vaporizer cylinder 1 on the stopped side at a predetermined temperature in preparation for the next combustion, but since it is unable to receive combustion heat. The heater 2 was energized and heated. In this case, since vaporizing air is also supplied to the vaporizing tube 1 on the stop side, the amount of heat released from the vaporizing tube 1 is large, causing the problem that a very large amount of current is required to maintain a predetermined temperature. had.
本発明はこのような従来の問題を解消するもので、一方
のバーナだけが燃焼している場合、停止側の気化筒への
通電量を低減させるとともに、燃焼側と停止側の気化室
の温度を均一にした石油燃焼装置を提供することを目的
とするものである。The present invention solves these conventional problems.When only one burner is burning, it reduces the amount of electricity supplied to the vaporization cylinder on the stop side, and also reduces the temperature of the vaporization chambers on the combustion side and the stop side. The object of the present invention is to provide an oil combustion device with uniform oil consumption.
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、内部が
隔壁により分割され、燃焼時には常に燃料が供給される
主気化室と必要燃焼量に応じて燃料の供給、停止が行わ
れる副気化室を形成する気化器を備え、前記主気化室の
気化面に近接して受熱部を設け、主バーナヘッドに臨ま
せるとともに、気化室を加熱する電気ヒータを副気化室
側に遍在させて配置した構成にしたものである。Means for Solving the Problems In order to achieve the above object, the combustion device of the present invention has a main vaporization chamber whose interior is divided by partition walls and is constantly supplied with fuel during combustion, and a main vaporization chamber that is supplied with fuel according to the required combustion amount. It is equipped with a vaporizer that forms a sub-vaporization chamber in which the stop is performed, a heat receiving part is provided in close proximity to the vaporization surface of the main vaporization chamber, facing the main burner head, and an electric heater that heats the vaporization chamber is installed in the sub-vaporization chamber. It has a configuration in which it is placed ubiquitously on the side.
作用
本発明は上記した構成によって、気化器を加熱するため
の熱源を主として主バーナヘッドの燃焼熱を受熱部によ
って受熱し、主気化室と副気化室を加熱するとともに、
副バーナヘッドの燃焼が停止中に副気化室は受熱部から
の伝導熱と副気化室側に遍在させて配置したヒータによ
って集中加熱されるために少ない通電量で副気化室と主
気化室の温度をほぼ均一に維持できる。Effect of the present invention With the above-described configuration, the heat source for heating the vaporizer is mainly the combustion heat of the main burner head, which is received by the heat receiving section, and the main vaporization chamber and the sub vaporization chamber are heated.
While the combustion of the sub-burner head is stopped, the sub-vaporizing chamber is heated centrally by the conductive heat from the heat receiving part and the heaters placed ubiquitously on the sub-vaporizing chamber side, so that the sub-vaporizing chamber and the main vaporizing chamber are heated with a small amount of electricity. The temperature can be maintained almost uniformly.
実施例 以下、本発明の一実施例を図面に基づいて説明する。Example Hereinafter, one embodiment of the present invention will be described based on the drawings.
第１図〜第３図において、１３は気化器で、ヒータ１４
ををし、温度調節装置（図示せず）によって気化器１３
の温度がほぼ一定になるように通電・停止の制御をする
ようにしている。気化器１３の内部は隔壁１５および気
化器蓋１６によって主気化室１７、副気化室１８に分割
されている。そして前記ヒータ１４が副気化室１８側に
遍在して埋設されている。気化器１３の下部には主混合
気口１９、副混合気口２０がそれぞれ主気化室１７、副
気化室１８に対応じて開口しており、主気化室１７の裏
面には受熱フィン２１が設けである。気化器蓋１６には
主気化室１７、副気化室１８に対応じて主空気口２２、
副空気口２３が開口され、主給油ノズル２４、副給油ノ
ズル２５が臨んでおり、共通の燃焼ファン２６と給油ノ
ズルにはそれぞれ主給油ポンプ２７、副給油ポンプ２８
が接続されている。主混合気口１９、副混合気口２０の
下流側には、それぞれ主混合室２９、主バーナヘッド３
０と副混合室３１、副バーナヘッド３３が配Ｉされ、主
バーナヘッド３０の上方に前記受熱フィン２１が臨んで
いる。In FIGS. 1 to 3, 13 is a vaporizer, and heater 14
the vaporizer 13 by means of a temperature control device (not shown).
The power is turned on and off so that the temperature remains almost constant. The interior of the vaporizer 13 is divided into a main vaporization chamber 17 and a sub-vaporization chamber 18 by a partition wall 15 and a vaporizer lid 16. The heater 14 is embedded and omnipresent on the side of the sub-vaporization chamber 18. At the bottom of the carburetor 13, a main mixture port 19 and a sub-air mixture port 20 are opened corresponding to the main vaporization chamber 17 and the sub-vaporization chamber 18, respectively, and a heat receiving fin 21 is provided on the back side of the main vaporization chamber 17. It is a provision. The vaporizer lid 16 has a main air port 22 corresponding to the main vaporization chamber 17 and the sub vaporization chamber 18.
The auxiliary air port 23 is open, and a main refueling nozzle 24 and a auxiliary refueling nozzle 25 face it, and a main refueling pump 27 and an auxiliary refueling pump 28 are connected to the common combustion fan 26 and the refueling nozzle, respectively.
is connected. On the downstream side of the main mixture port 19 and the sub-mixture port 20, there is a main mixing chamber 29 and a main burner head 3, respectively.
0, an auxiliary mixing chamber 31, and an auxiliary burner head 33 are arranged, and the heat receiving fins 21 face above the main burner head 30.
上記構成において、ヒータ１４に通電し気化器１３が所
定温度（燃料が気化可能な温度）まで上昇すると、燃焼
ファン２６および主給油ポンプ２７、副給油ポンプ２８
が作動し、空気と燃料が主空気口２２、副空気口２３お
よび、主燃料ノズル２４、副燃料ノズル２５より主気化
室１７、副気化室１８に供給される。In the above configuration, when the heater 14 is energized and the vaporizer 13 rises to a predetermined temperature (temperature at which fuel can be vaporized), the combustion fan 26, the main fuel pump 27, and the auxiliary fuel pump 28
operates, and air and fuel are supplied to the main vaporization chamber 17 and the sub-vaporization chamber 18 through the main air port 22, sub-air port 23, main fuel nozzle 24, and sub-fuel nozzle 25.
供給された燃料はそれぞれの気化面で気化し空気と混合
して予混合気となり、主混合気口１９、主混合室２９お
よび副混合気口２０、副混合室３１を介して主バーナヘ
ッド３０、副バーナヘッド３３の炎口部より噴出し、点
火器（図示せず）によって点火され燃焼する。燃焼が開
始すると受熱フィン２１が加熱され、連接した気化器１
３の温度が上昇し、温度調節装置（図示せず）によって
ヒータ１４への通電が停止する。気化器１３を所定の温
度に維持するための熱源は、主として主バーナヘッド３
０での燃焼熱を受熱フィン２１で受熱することによって
得られるが、燃料の気化熱や空気による放熱などで不足
する場合には、ヒータ１４を一時通電することによって
補われる。副気化室１８側には受熱フィンが設けられて
いないために、同室を加熱するための熱源は主気化室１
７側に設けられた受熱フィン２１で受熱された熱が伝導
によって供給されるものと、副気化室１８の裏壁面で受
熱される熱と、ヒータ１４によって供給される熱がそれ
にあたる、したがって副気化室１８側が受ける燃焼熱は
、主気化室１７側が受けるそれよりも少なく不足する熱
量は、ヒータの通電によって補う必要がある。The supplied fuel is vaporized on each vaporization surface and mixed with air to form a premixture, which is then sent to the main burner head 30 via the main mixture port 19, main mixing chamber 29, sub-mixture port 20, and sub-mixing chamber 31. The flame is ejected from the flame port of the auxiliary burner head 33, and ignited by an igniter (not shown) to burn. When combustion starts, the heat receiving fins 21 are heated, and the connected vaporizer 1
The temperature of heater 14 increases, and a temperature control device (not shown) stops energizing heater 14 . The heat source for maintaining the vaporizer 13 at a predetermined temperature is mainly the main burner head 3.
The heat of combustion at 0 is obtained by receiving the heat with the heat receiving fins 21, but if the heat is insufficient due to the vaporization heat of the fuel or the heat dissipated by the air, it can be compensated for by temporarily energizing the heater 14. Since no heat receiving fins are provided on the sub-vaporization chamber 18 side, the heat source for heating the sub-vaporization chamber 18 is the main vaporization chamber 1.
The heat received by the heat receiving fins 21 provided on the 7th side is supplied by conduction, the heat received by the back wall of the sub-vaporization chamber 18, and the heat supplied by the heater 14. The combustion heat received by the vaporization chamber 18 is less than that received by the main vaporization chamber 17, and the insufficient amount of heat must be compensated for by energizing the heater.
必要な燃焼量が少ない場合には、副給油ポンプ２８を停
止して副バーナヘッド３３での燃焼を停止するが、燃焼
ファン２６が共通であるために副気化室１８には空気の
み供給されている。また副気化室１８の温度は、次の燃
焼がすぐに開始できるように所定温度に維持しておくこ
とが必要である。このとき主バーナヘッド３０からの燃
焼熱の受熱は前記と同様であるが、副バーナヘッド３３
からの受熱がなくなるために副気化室１８の温度が低下
し、ヒータ１４を通電することによって不足する熱量を
補うことが必要になる。When the required amount of combustion is small, the sub-fuel pump 28 is stopped to stop combustion in the sub-burner head 33, but since the combustion fan 26 is common, only air is supplied to the sub-vaporization chamber 18. There is. Further, it is necessary to maintain the temperature of the sub-vaporization chamber 18 at a predetermined temperature so that the next combustion can start immediately. At this time, the combustion heat received from the main burner head 30 is the same as described above, but the sub burner head 33
The temperature of the sub-vaporization chamber 18 decreases due to the loss of heat reception from the sub-vaporization chamber 18, and it becomes necessary to supplement the insufficient amount of heat by energizing the heater 14.
このように主バーナヘッド３０、副バーナヘッド３３の
両方で燃焼している場合においても、主バーナヘッド３
０のみで燃焼している場合においても、ヒータ１４を通
電することによって不足する熱量を補うことが必要にな
る。仮に副気化室１８側にも受熱フィンを設は燃焼熱を
受熱すると、両方のバーナヘッドで燃焼している場合に
はそれぞれの受熱フィンで燃焼熱を受熱し、気化室で必
要な熱量は燃焼熱のみで確保できるが、主バーナへ、ド
３０のみで燃焼する場合には、副気化室１８側の受熱フ
ィンが放熱板となり、同側の放熱が多く気化室を所定温
度に維持するためにヒータ１４への通電量が多くなる。Even when combustion occurs in both the main burner head 30 and the sub burner head 33, the main burner head 30
Even in the case of combustion with only 0, it is necessary to supplement the insufficient amount of heat by energizing the heater 14. If a heat receiving fin is also installed on the side of the sub-vaporizing chamber 18 to receive combustion heat, if both burner heads are burning, each heat receiving fin will receive the combustion heat, and the amount of heat required in the vaporizing chamber will be absorbed by combustion. This can be achieved by heat alone, but when the main burner is used for combustion only by the door 30, the heat receiving fins on the side of the sub-vaporization chamber 18 become a heat sink, and the heat dissipation from that side is large, in order to maintain the vaporization chamber at a predetermined temperature. The amount of electricity supplied to the heater 14 increases.
またヒータ１４の位置を主気化室１７と副気化室１８を
均等に加熱するように配置した場合には、副気化室１８
を所定温度に維持すると受熱量の多い主気化室１７の温
度は過熱状態になり、良好な気化状態を得ることができ
なくなるとともに、気化器が破損する原因にもなる。Further, when the heater 14 is arranged so as to evenly heat the main vaporization chamber 17 and the sub-vaporization chamber 18, the sub-vaporization chamber 18
If the temperature is maintained at a predetermined temperature, the temperature of the main vaporization chamber 17, which receives a large amount of heat, will become overheated, making it impossible to obtain a good vaporization state and also causing damage to the vaporizer.
本実施例の構成においては、ヒータ１４が副気化室１８
側に遍在して配置しであるために、ヒータ１４の通電に
よって副気化室１８側が主気化室１７側より多くの熱量
が供給され、前記のような不具合は大幅に低減される。In the configuration of this embodiment, the heater 14 is connected to the sub-vaporization chamber 18.
Since the heaters 14 are ubiquitously disposed on both sides, a larger amount of heat is supplied to the sub-vaporization chamber 18 side than to the main vaporization chamber 17 side by energizing the heater 14, and the above-mentioned problems are significantly reduced.
また燃焼中は主気化室１７側への過剰な熱量の供給が低
減できるとともに、副バーナヘッド３３での燃焼が停止
しているときも、副気化室１８側も受熱フィン２１から
の伝導熱によって熱量が得られるために（主気化室１７
側より少ないが）、従来例のように１００％ヒータ１４
の通電によって熱量を供給する必要がなくなり、消費電
力を大幅に低減することができる。In addition, during combustion, the supply of excessive heat to the main vaporization chamber 17 side can be reduced, and even when combustion in the sub-burner head 33 is stopped, the sub-vaporization chamber 18 side is also affected by the conduction heat from the heat receiving fins 21. In order to obtain the amount of heat (main vaporization chamber 17
100% heater 14 like the conventional example)
There is no need to supply heat by energizing, and power consumption can be significantly reduced.
なおヒータ１４０遍在量は、受熱フィン２１の形状、設
置位置などによって一定ではなく、燃焼中両方の気化室
の温度がほぼ均等になるように決めることが必要である
とともに、ヒータ１４そのものを遍在せずに、シーズヒ
ータなどを用いる場合には、ヒータ素線の配置密度を副
気化室１８側を密にしても同様な効果が得られる。Note that the amount of the heater 140 is not constant depending on the shape of the heat receiving fin 21, the installation position, etc., and it is necessary to determine the amount so that the temperature of both vaporization chambers is almost equal during combustion, and the amount of the heater 14 itself is not fixed. When a sheathed heater or the like is used instead of a heater wire, the same effect can be obtained even if the heater wires are arranged densely on the sub-vaporization chamber 18 side.
発明の効果
以上の実施例の説明から明らかなように本発明の石油燃
焼装置によれば、内部が隔壁により分割され、燃焼時に
は常に燃料が供給される主気化室と必要燃焼量に応じて
燃料の供給、停止が行われる副気化室を形成する気化器
を備え、前記主気化室の気化面に近接して受熱部を設け
、主バーナヘッドに臨ませるとともに、気化器を加熱す
るヒータを前記副気化室側に遍在させて配置した構成に
することによって、
（１）燃焼停止中の気化室の放熱量が削減でき、所定温
度を維持するための消費電力が大幅に低減できる。Effects of the Invention As is clear from the description of the embodiments above, according to the oil combustion apparatus of the present invention, the interior is divided by a partition wall, and the main vaporization chamber is always supplied with fuel during combustion, and the fuel vaporization chamber is divided into two parts according to the required combustion amount. A heat receiving section is provided close to the vaporization surface of the main vaporization chamber, facing the main burner head, and a heater for heating the vaporization chamber is provided near the vaporization surface of the main vaporization chamber, facing the main burner head. By arranging them ubiquitously on the side of the auxiliary vaporization chamber, (1) the amount of heat released from the vaporization chamber during combustion stop can be reduced, and the power consumption to maintain a predetermined temperature can be significantly reduced.
（２）一方のバーナヘッドでの燃焼が停止中での他方の
バーナヘッドでの燃焼火炎からの熱量の供給が可能で、
停止中の気化室の温度を維持するための消費電力が少な
い。(2) It is possible to supply heat from the combustion flame in one burner head while combustion in the other burner head is stopped;
Less power is consumed to maintain the temperature of the vaporization chamber when it is stopped.
（３）主気化室側の過熱が防止でき、安定した気化状態
を得ることができる。(3) Overheating of the main vaporization chamber side can be prevented and a stable vaporization state can be obtained.
などの効果が得られるものである。Effects such as these can be obtained.
第１図は本発明の一実施例の石油燃焼装置の要部切欠縦
断面図、第２図は同要部横断面図、第３図は同平面図、
第４図は従来の石油燃焼装置の部分断面図である。
１３・・・・・・気化器、１４・・・・・・ヒータ（電
気ヒータ）、１５・・・・・・隔壁、１７・・・・・・
主気化室、１８・・・・・・副気化室、２１・・・・・
・受熱フィン（受熱部）、３０・・・・・・主バーナヘ
ッド。
代理人の氏名 弁理士 小鍜治 明 ばか２名図
ｔ３−・
気化器
３０゛
主−２ぐ一ナヘ・ｙ）゛FIG. 1 is a cutaway vertical cross-sectional view of a main part of an oil combustion device according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the main part, and FIG. 3 is a plan view of the same.
FIG. 4 is a partial sectional view of a conventional oil combustion device. 13... Carburizer, 14... Heater (electric heater), 15... Partition wall, 17...
Main vaporization chamber, 18... Sub-vaporization chamber, 21...
・Heat receiving fin (heat receiving part), 30... Main burner head. Name of agent: Patent attorney Akira Kodaka Two idiots Figure t3-・ Carburetor 30゛ Main-2 Guinnahe・y)゛
Claims (2)
が供給される主気化室と必要燃焼量に応じて燃料の供給
、停止が行われる副気化室を形成する気化器を備え、前
記主気化室の気化面に近接して受熱部を設け、主バーナ
ヘッドに臨ませるとともに、前記気化器を加熱する電気
ヒータを前記副気化室側に遍在させて配置してなる石油
燃焼装置。(1) Equipped with a carburetor whose interior is divided by a partition wall and forms a main vaporization chamber to which fuel is always supplied during combustion and a sub-vaporization chamber to which fuel is supplied and stopped depending on the required combustion amount, An oil combustion device comprising a heat receiving part provided close to the vaporization surface of the chamber and facing the main burner head, and an electric heater for heating the vaporizer placed omnipresent on the side of the sub-vaporization chamber.
室側を大にしてなる請求項（１）記載の石油燃焼装置。(2) The oil combustion device according to claim (1), wherein the heat generation density of the electric heater for heating the vaporizer is increased on the side of the sub-vaporization chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25327690A JP2776625B2 (en) | 1990-09-21 | 1990-09-21 | Oil burning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25327690A JP2776625B2 (en) | 1990-09-21 | 1990-09-21 | Oil burning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04131604A true JPH04131604A (en) | 1992-05-06 |
| JP2776625B2 JP2776625B2 (en) | 1998-07-16 |
Family
ID=17249033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25327690A Expired - Fee Related JP2776625B2 (en) | 1990-09-21 | 1990-09-21 | Oil burning equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2776625B2 (en) |
-
1990
- 1990-09-21 JP JP25327690A patent/JP2776625B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2776625B2 (en) | 1998-07-16 |
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|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |