JPH0114484B2 - - Google Patents
Info
- Publication number
- JPH0114484B2 JPH0114484B2 JP25121783A JP25121783A JPH0114484B2 JP H0114484 B2 JPH0114484 B2 JP H0114484B2 JP 25121783 A JP25121783 A JP 25121783A JP 25121783 A JP25121783 A JP 25121783A JP H0114484 B2 JPH0114484 B2 JP H0114484B2
- Authority
- JP
- Japan
- Prior art keywords
- vaporization
- fuel
- heat
- resistant paint
- paint film
- 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
Links
- 230000008016 vaporization Effects 0.000 claims description 81
- 238000009834 vaporization Methods 0.000 claims description 72
- 239000000446 fuel Substances 0.000 claims description 52
- 238000009835 boiling Methods 0.000 claims description 25
- 239000003973 paint Substances 0.000 claims description 19
- 238000002485 combustion reaction Methods 0.000 claims description 15
- 239000006200 vaporizer Substances 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000002245 particle Substances 0.000 description 9
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 235000019645 odor Nutrition 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- -1 is vaporized Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/44—Preheating devices; Vaporising devices
- F23D11/441—Vaporising devices incorporated with burners
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Evaporation-Type Combustion Burners (AREA)
- Spray-Type Burners (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は液体燃料を気化するとともに燃焼用空
気と混合し、燃焼部へ混合気を供給する気化装置
に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a vaporizer that vaporizes liquid fuel, mixes it with combustion air, and supplies an air-fuel mixture to a combustion section.
従来例の構成とその問題点
従来のこの種の気化装置を第１図に示す。ヒー
タ１によつて加熱されるつぼ状の気化筒２の側壁
には、給油ポンプ３および燃焼フアン４にそれぞ
れ接続された給油管５および給油管６が開口して
いる。また気化筒２の上部開口部には混合気通路
７を開設した混合板８と、炎口９が形成されてい
るバーナーヘツド１０が配設されており、気化筒
２と混合板８とによつて気化室１１が区画され、
混合板８とバーナーヘツド１０との間には混合室
１２が区画されている。上記構成において、ヒー
タ１に通電されて気化筒２が加熱され、所定温度
まで達すると給油ポンプ３および燃焼フアン４が
作動して、液体燃料および燃焼用空気を気化室１
１に供給する。気化室１１に入つた液体燃料は気
化筒２の内壁面にて気化し、燃焼用空気と混合し
て混合気通路７を通つて混合室１２に入る。混合
室１２に入つた混合気は、そこでさらに均一に混
合されてバーナーヘツド１０の炎口９から噴出
し、点火装置（図示せず）により点火され燃焼が
行なわれる。Structure of a conventional example and its problems A conventional vaporizer of this type is shown in FIG. A refueling pipe 5 and a refueling pipe 6, which are connected to a refueling pump 3 and a combustion fan 4, respectively, are opened in the side wall of a pot-shaped vaporizing cylinder 2 heated by a heater 1. Further, a mixing plate 8 in which a mixture passage 7 is formed and a burner head 10 in which a burner port 9 is formed are arranged at the upper opening of the vaporizing cylinder 2. The vaporization chamber 11 is divided,
A mixing chamber 12 is defined between the mixing plate 8 and the burner head 10. In the above configuration, the heater 1 is energized to heat the vaporization tube 2, and when the temperature reaches a predetermined temperature, the fuel pump 3 and combustion fan 4 are activated to supply liquid fuel and combustion air to the vaporization chamber 2.
Supply to 1. The liquid fuel that has entered the vaporization chamber 11 is vaporized on the inner wall surface of the vaporization cylinder 2, mixed with combustion air, and enters the mixing chamber 12 through the mixture passage 7. The air-fuel mixture that has entered the mixing chamber 12 is further mixed uniformly there, is ejected from the flame port 9 of the burner head 10, and is ignited by an ignition device (not shown) to cause combustion.
ところが、上記従来例においては燃料の気化・
蒸発速度の速い核沸騰状態で気化を行なうために
気化壁温度は230℃〜280℃程度と低く、変質油や
重質油等のタール化しやすい燃料を気化させると
気化筒２の内壁にタールが付着し、点火しにくか
つたり消火後の臭気が強くなる問題点があつた。 However, in the above conventional example, fuel vaporization and
Because vaporization is carried out in a nucleate boiling state with a high evaporation rate, the temperature of the vaporization wall is as low as 230°C to 280°C, and when fuel that easily turns into tar, such as denatured oil or heavy oil, is vaporized, tar forms on the inner wall of the vaporization cylinder 2. There was a problem that the flames adhered to each other, making it difficult to ignite and emitting a strong odor after the fire was extinguished.
また、従来例においては気化面が核沸騰条件に
なつているために、給油管５より気化室１１に送
出された燃料は気化筒２との衝突面１３において
大部分が気化され、この部分にタールの生成・付
着が集中してしまつていた。さらに、時間経過と
ともにタールは増加し、衝突面１３の外周に土手
状に堆積して燃料の拡散を妨げてしまい、ついに
は液溜りを発生するようになる。これにより点火
時の気化遅れによる未燃気化ガス（白煙）の発
生・定常燃焼時の脈動気化による立炎等の不安定
燃焼・消火時の強い臭気を発生する問題点があつ
た。 In addition, in the conventional example, since the vaporization surface is under nucleate boiling conditions, most of the fuel sent from the fuel supply pipe 5 to the vaporization chamber 11 is vaporized at the collision surface 13 with the vaporization tube 2, and the fuel is vaporized at this portion. The generation and adhesion of tar was concentrated. Further, as time passes, the tar increases and accumulates in a bank-like manner around the outer periphery of the collision surface 13, impeding the diffusion of the fuel and eventually causing a pool of liquid. This resulted in problems such as generation of unburned vaporized gas (white smoke) due to vaporization delay during ignition, unstable combustion such as standing flames due to pulsating vaporization during steady combustion, and strong odor when extinguished.
一方、燃料中のタール化し易い成分は高沸点成
分であり、気化壁温度を燃料の膜沸騰温度以上の
ような高温にすればタールの生成・付着を防止で
きるが、上記従来例では気化壁温度を高めると安
定した気化ができなかつた。すなかち、給油管５
から送出された燃料は衝突面１３に衝突するが、
壁面が高温であるために一部が気化するのみで大
部分は微粒子となつて分散し、気化筒底面へ落下
して気化される。そころが、底面も高温の膜沸騰
条件下にあるため、落下した燃料粒子は気化底面
との境界層に形成される蒸気層上に浮かびながら
転がり、相互に合体して巨大粒子となりやすい。
そのため気化が不規則になり安定した気化が行な
われず、バーナーヘツド１０における燃焼につい
ても立炎したり極端な場合には失火したりするこ
ともあつた。 On the other hand, the components in fuel that easily turn into tar are high boiling point components, and the formation and adhesion of tar can be prevented by setting the vaporization wall temperature to a high temperature, such as the film boiling temperature of the fuel or higher. When the temperature was increased, stable vaporization was not possible. In the meantime, oil supply pipe 5
The fuel sent out collides with the collision surface 13, but
Due to the high temperature of the wall surface, only a portion of the gas is vaporized, and most of it is dispersed as fine particles, which fall to the bottom of the vaporization cylinder and are vaporized. Since the bottom surface is also under high-temperature film boiling conditions, the fallen fuel particles roll while floating on the vapor layer formed in the boundary layer with the vaporization bottom surface, and tend to coalesce into giant particles.
As a result, vaporization becomes irregular and stable vaporization is not achieved, and combustion in the burner head 10 may also cause flames or, in extreme cases, misfires.
発明の目的
本発明は従来例における上記問題点を解消する
もので、変質油や重質油の気化に対してタールの
生成・付着を防止して気化装置の長寿命化を図る
とともに、安定した気化状態を得ることを目的と
する。Purpose of the Invention The present invention solves the above-mentioned problems in the conventional example, and aims to prolong the life of the vaporizer by preventing the formation and adhesion of tar during the vaporization of denatured oil and heavy oil. The purpose is to obtain a vaporized state.
発明の構成
この目的を達成するために、本発明は気化筒の
気化面において、給油管から送出される燃料との
衝突面の熱伝導率よりも、他の気化筒での熱伝導
率を小さくするとともに衝突面を燃料の膜沸騰温
度以上に保持したものである。Composition of the Invention In order to achieve this object, the present invention makes the thermal conductivity of the vaporizing surface of the vaporizing tube smaller than the thermal conductivity of the collision surface with the fuel delivered from the fuel supply pipe. At the same time, the collision surface is maintained at a temperature higher than the film boiling temperature of the fuel.
この構成によつて、高温の膜沸騰条件下にある
衝突面に衝突した燃料は、分裂して微粒子となつ
て飛散するとともに、熱伝導率の小さな気化面に
落下して燃料の気化・蒸発速度の速い核沸騰状態
にて急速かつ安定して気化される。これにより、
衝突面にタールが付着しないばかりか気化面にお
いても燃料の気化が集中しないためにタールの生
成が防止され、脈動気化・臭気等を防止すること
ができる。 With this configuration, fuel that collides with the collision surface under high-temperature film boiling conditions is split into fine particles and scattered, and falls onto the vaporization surface with low thermal conductivity, causing the fuel to vaporize and evaporate. It is rapidly and stably vaporized in the fast nucleate boiling state. This results in
Not only does tar not adhere to the collision surface, but also fuel vaporization does not concentrate on the vaporization surface, so tar generation is prevented and pulsating vaporization, odor, etc. can be prevented.
実施例の説明
以下本発明の一実施例を第２図および第３図を
用いて説明する。なお、図中第１図における部品
と同部品は同番号を付し、説明を省略する。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 2 and 3. Components in the figure that are the same as those in FIG. 1 are designated by the same numbers, and explanations thereof will be omitted.
気化筒２の内面である気化面は、耐熱性塗料皮
膜１００で覆われるとともに、燃料との衝突面１
３のみが気化筒２を構成する金属面が露出してい
る。 The vaporization surface, which is the inner surface of the vaporization cylinder 2, is covered with a heat-resistant paint film 100, and the fuel collision surface 1
Only the metal surface composing the vaporizer cylinder 2 is exposed.
この構成において気化筒２が所定温度まで加熱
されて、給油ポンプおよび燃焼フアンが作動して
給油管５および給油管６から燃料および燃焼用空
気が気化室１１に供給されると、燃料は高温で熱
伝導率の大きな金属面が露出した膜沸騰条件下に
ある衝突面１３に衝突して分裂し、微粒子として
気化面に飛散する。気化面は金属面に比較して熱
伝導率の小さな耐熱性塗料皮膜で覆われているの
で衝突面１３と同じ温度であつても核沸騰状態に
なり、飛散・落下した燃料粒子は急速かつ安定し
て気化される。 In this configuration, when the vaporization cylinder 2 is heated to a predetermined temperature and the fuel pump and combustion fan are operated to supply fuel and combustion air from the fuel supply pipes 5 and 6 to the vaporization chamber 11, the fuel is heated to a high temperature. The metal surface with high thermal conductivity collides with the exposed collision surface 13 under film boiling conditions, breaks up, and scatters as fine particles on the vaporization surface. Since the vaporization surface is covered with a heat-resistant paint film that has a lower thermal conductivity than the metal surface, it will reach a nucleate boiling state even if it is at the same temperature as the collision surface 13, and the scattered and fallen fuel particles will rapidly and stably. and vaporized.
第３図は上記の気化状態を示す特性図で、横軸
に気化壁温度、縦軸に気化面上に落とされた一定
量の燃料粒子の気化・蒸発に要する時間の関係を
示している。図中、実線で示すＡ線は金属面が露
出した気化面における特性を示し、破線で示すＢ
線は耐熱性塗料皮膜で覆われた気化面における特
性を示す。図からもわかるように金属面において
は比較的低い温度T0付近から蒸発時間が長くな
り始めて、蒸発・気化時間の短かい核沸騰領域か
ら膜沸騰領域に移行が始まつており、さらに高温
のT1に致つては完全に膜沸騰状態で気化・蒸発
時間が長くなつている。この状態においては気化
面上に衝突した燃料は、ほとんど気化することな
く高温の微粒子として分裂飛散する。一方、Ｂ線
で示す耐熱塗料皮膜で覆つた気化面においては、
前述のT0ばかりかT1の温度においても気化・蒸
発時間の短かい核沸騰状態を保つており、T1の
温度に保持された気化面においても燃料を急速か
つ安定して気化することができる。さらに燃料の
温度が高いためにより急速な気化が得られる。こ
のように、衝突面１３においては燃料の気化成分
がほとんどないために衝突面１３におけるタール
の生成・付着が防止されるばかりか、分裂・飛散
した高温の燃料粒子が落下する気化面において
は、核沸騰状態ではあるが気化すべき燃料が集中
して落下しないので気化負荷が小さく、かつ基本
的に高温状態で気化するためにタールの生成を防
止した急速で安定した気化が得られる。 FIG. 3 is a characteristic diagram showing the above-mentioned vaporization state, with the horizontal axis showing the vaporization wall temperature and the vertical axis showing the relationship between the time required for vaporization and evaporation of a certain amount of fuel particles dropped onto the vaporization surface. In the figure, line A shown as a solid line shows the characteristics on the vaporized surface where the metal surface is exposed, and line B shown as a broken line
The line shows the characteristics on the vaporized surface covered with a heat-resistant paint film. As can be seen from the figure, on metal surfaces, the evaporation time begins to increase from around a relatively low temperature T 0 , and the transition from the nucleate boiling region where the evaporation/vaporization time is short to the film boiling region begins, and then at even higher temperatures. At T 1 , it is completely in a film boiling state and the vaporization and evaporation time are long. In this state, the fuel that collides with the vaporization surface splits and scatters as high-temperature particles without being vaporized. On the other hand, on the vaporization surface covered with a heat-resistant paint film shown by line B,
It maintains a nucleate boiling state with short vaporization and evaporation time not only at T 0 mentioned above but also at T 1, and it is able to vaporize fuel rapidly and stably even on the vaporization surface maintained at T 1 . can. Furthermore, the higher temperature of the fuel results in more rapid vaporization. In this way, since there is almost no vaporized component of the fuel on the collision surface 13, not only is tar formation and adhesion on the collision surface 13 prevented, but also on the vaporization surface where the split and scattered high-temperature fuel particles fall. Although it is in a nucleate boiling state, the fuel to be vaporized is concentrated and does not fall, so the vaporization load is small, and since it is basically vaporized at a high temperature, rapid and stable vaporization can be obtained that prevents the formation of tar.
つぎに本発明の気化装置の他の実施例を第４図
に示し説明する。気化筒２の気化面は耐熱性塗料
皮膜１０１で覆われているとともに、衝突面１３
は炭素等が含まれた熱伝導性のよい耐熱性塗料皮
膜１０２で覆われており、衝突面１３を膜沸騰状
態としている。熱伝導性のよい耐熱性塗料皮膜で
覆われた気化面での気化壁温度と燃料の蒸発・気
化筒時間との関係を示す特性図を、第３図におい
て一点鎖線のＣ線で示す。第３図から明らかなよ
うに、熱伝導性耐熱塗料皮膜で覆つた気化面（衝
突面）においては、Ａ線で示す金属面よりもさら
に高温で膜沸騰状態に移行するが、T2のような
高温においては膜沸騰状態になり、衝突した燃料
は分裂・飛散する。一方、Ｂ線で示す熱伝導率の
小さな耐熱性塗料皮膜１０１で覆つた気化面にお
いてはT2の温度であつても核沸騰状態を保つて
おり、気化面に落下した燃料粒子は急速かつ安定
して気化されるとともに、高温気化であるのでタ
ールの生成・付着を防止することができる。 Next, another embodiment of the vaporizer of the present invention is shown in FIG. 4 and will be described. The vaporization surface of the vaporization cylinder 2 is covered with a heat-resistant paint film 101, and the collision surface 13
is covered with a heat-resistant paint film 102 containing carbon or the like and having good thermal conductivity, and brings the collision surface 13 into a film boiling state. A characteristic diagram showing the relationship between the vaporization wall temperature and the fuel evaporation/vaporization cylinder time on the vaporization surface covered with a heat-resistant paint film with good thermal conductivity is shown by the dashed line C in FIG. As is clear from Fig. 3, the vaporization surface (impingement surface) covered with a heat-conductive heat-resistant paint film transitions to a film boiling state at a higher temperature than the metal surface shown by line A, but as shown in T 2 . At high temperatures, film boiling occurs, and the colliding fuel splits and scatters. On the other hand, the vaporization surface covered with the heat-resistant paint film 101 with low thermal conductivity shown by line B maintains a nucleate boiling state even at a temperature of T2 , and the fuel particles falling onto the vaporization surface rapidly and stably. Since it is vaporized at a high temperature, it is possible to prevent the formation and adhesion of tar.
さらに他の実施例を第５図に示す。気化筒２の
気化面は耐熱性塗料皮膜１０３で覆われていると
ともに、衝突面１３における塗膜の厚みを他の気
化面におけるそれよりも薄くしたものである。同
じ塗膜材料であつても、それを薄くすると熱伝導
率は高くなるが、その塗膜を薄くした気化面にお
ける気化壁温度と気化・蒸発時間との関係を、第
３図においてＤ線で示す。図から明らかなよう
に、塗膜の厚みよつて膜沸騰移行温度は異なり、
T2のような温度においては塗膜が薄い場合には
膜沸騰状態となり、Ｂ線で示す塗膜が厚い場合に
は核沸騰状態とすることができる。 Still another embodiment is shown in FIG. The vaporizing surface of the vaporizing cylinder 2 is covered with a heat-resistant paint film 103, and the thickness of the coating on the collision surface 13 is made thinner than that on other vaporizing surfaces. Even if the coating material is the same, the thermal conductivity will increase if the coating is made thinner, but the relationship between the vaporization wall temperature and vaporization/evaporation time on the vaporization surface with a thinner coating is shown by line D in Figure 3. show. As is clear from the figure, the film boiling transition temperature varies depending on the thickness of the coating film.
At a temperature such as T2 , if the coating film is thin, it will be in a film boiling state, and if the coating film is thick, as shown by line B, it will be in a nucleate boiling state.
発明の効果
以上の説明から明らかなように、本発明によれ
ば燃料供給手段から送出される燃料の気化筒との
衝突面の熱伝導率よりも、他の気化面における熱
伝導率を小さくするとともに、衝突面を燃料の膜
沸騰温度以上に保持したために、高温の衝突面に
衝突した燃料は分裂・飛散して高温の燃料粒子と
して気化面に分散・落下し、高温の気化面にて核
沸騰状態で急速かつ安定して気化が行なわれる。
さらに、衝突面においてはほとんど気化成分がな
いためにタールの付着がなく、かつ気化面におい
ても燃料が粒子として分散して落下するために気
化負荷が小さいとともに高温状態で気化されるた
めにタールの生成付着が防止され、着火・消火時
の臭気等のない長寿命の気化装置を得ることがで
きる。Effects of the Invention As is clear from the above description, according to the present invention, the thermal conductivity of the fuel delivered from the fuel supply means at the collision surface with the vaporizing tube is lower than that of the other vaporizing surfaces. At the same time, because the collision surface was maintained at a temperature higher than the film boiling temperature of the fuel, the fuel that collided with the high-temperature collision surface splits and scatters, scattering and falling onto the vaporization surface as high-temperature fuel particles, and nucleates on the high-temperature vaporization surface. Vaporization occurs rapidly and stably in boiling conditions.
Furthermore, since there are almost no vaporized components on the collision surface, there is no tar adhesion, and even on the vaporization surface, the fuel is dispersed as particles and falls, so the vaporization load is small, and since the fuel is vaporized at high temperatures, tar does not adhere to it. It is possible to obtain a long-life vaporizer that prevents generation and adhesion and is free from odors during ignition and extinguishing.
第１図は従来の気化装置を示す縦断面図、第２
図ａ，ｂは本発明の気化装置の一実施例を示す縦
断面図および側断面図、第３図は気化面における
気化壁温度と燃料の気化蒸発時間との関係を示す
特性図、第４図ａ，ｂは本発明の気化装置の他の
実施例を示す縦断面図および側断面図、第５図
ａ，ｂは本発明の気化装置の更に他の実施例を示
す縦断面図および側断面図である。
２……気化筒、３……給油ポンプ、４……燃焼
フアン、１３……衝突面、１００……耐熱性塗料
皮膜、１０２……熱伝導性耐熱塗料皮膜。
Fig. 1 is a vertical cross-sectional view showing a conventional vaporization device;
Figures a and b are a longitudinal cross-sectional view and a side cross-sectional view showing an embodiment of the vaporization device of the present invention, Figure 3 is a characteristic diagram showing the relationship between the vaporization wall temperature at the vaporization surface and the fuel vaporization time, and Figure 4 Figures a and b are longitudinal cross-sectional views and side cross-sectional views showing other embodiments of the vaporizer of the present invention, and Figures 5a and b are longitudinal cross-sectional views and side cross-sectional views showing still other embodiments of the vaporizer of the present invention. FIG. 2... Vaporization tube, 3... Fuel pump, 4... Combustion fan, 13... Collision surface, 100... Heat resistant paint film, 102... Heat conductive heat resistant paint film.
Claims (1)
を供給する燃焼空気供給手段および燃料供給手段
とを備えるとともに、気化筒の気化面における燃
料供給手段より送出される燃料との衝突面の熱伝
導率よりも、他の気化面の熱伝導率を小さくし、
かつ衝突面を燃料の膜沸騰温度以上に保持した気
化装置。 ２ 衝突面に気化筒金属面を露出させるとともに
他の気化面を耐熱性塗料皮膜で覆つた特許請求の
範囲第１項記載の気化装置。 ３ 衝突面を熱伝導性の良い耐熱性塗料皮膜で覆
うとともに、他の気化面を熱伝導性の悪い耐熱性
塗料皮膜で覆つた特許請求の範囲第１項記載の気
化装置。 ４ 気化面を耐熱性塗料皮膜で覆うとともに、衝
突面における耐熱性塗料皮膜の厚みを他の気化面
における厚みよりも薄くした特許請求の範囲第１
項記載の気化装置。 ５ 衝突面を覆う耐熱性塗料皮膜を、炭素を含む
耐熱性塗料皮膜とした特許請求の範囲第２項記載
の気化装置。[Scope of Claims] 1. Comprising a carburetor cylinder, combustion air supply means and fuel supply means for supplying combustion air and fuel into the carburetor cylinder, and fuel delivered from the fuel supply means on the vaporization surface of the carburetor cylinder. The thermal conductivity of the other vaporization surface is made smaller than the thermal conductivity of the collision surface with
and a vaporizer that maintains the collision surface above the film boiling temperature of the fuel. 2. The vaporizer according to claim 1, wherein the metal surface of the vaporizer cylinder is exposed on the collision surface, and the other vaporizer surface is covered with a heat-resistant paint film. 3. The vaporizer according to claim 1, wherein the collision surface is covered with a heat-resistant paint film that has good thermal conductivity, and the other vaporization surface is covered with a heat-resistant paint film that has poor thermal conductivity. 4. Claim 1 in which the vaporization surface is covered with a heat-resistant paint film, and the thickness of the heat-resistant paint film on the collision surface is thinner than on other vaporization surfaces.
Vaporizer as described in section. 5. The vaporizer according to claim 2, wherein the heat-resistant paint film covering the collision surface is a heat-resistant paint film containing carbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25121783A JPS60142110A (en) | 1983-12-29 | 1983-12-29 | Vaporizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25121783A JPS60142110A (en) | 1983-12-29 | 1983-12-29 | Vaporizing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60142110A JPS60142110A (en) | 1985-07-27 |
| JPH0114484B2 true JPH0114484B2 (en) | 1989-03-13 |
Family
ID=17219438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25121783A Granted JPS60142110A (en) | 1983-12-29 | 1983-12-29 | Vaporizing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60142110A (en) |
-
1983
- 1983-12-29 JP JP25121783A patent/JPS60142110A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60142110A (en) | 1985-07-27 |
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| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |