JPH0426839Y2 - - Google Patents
Info
- Publication number
- JPH0426839Y2 JPH0426839Y2 JP1985184412U JP18441285U JPH0426839Y2 JP H0426839 Y2 JPH0426839 Y2 JP H0426839Y2 JP 1985184412 U JP1985184412 U JP 1985184412U JP 18441285 U JP18441285 U JP 18441285U JP H0426839 Y2 JPH0426839 Y2 JP H0426839Y2
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- storage section
- water storage
- chamber
- heater
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 172
- 238000003860 storage Methods 0.000 claims description 44
- 238000002485 combustion reaction Methods 0.000 claims description 30
- 239000011358 absorbing material Substances 0.000 claims description 10
- 239000000567 combustion gas Substances 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 238000003809 water extraction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Landscapes
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は直接々触式温水ヒーターの最下部に設
けられている貯湯部に流下して来た温水の水位の
上限及び下限を有効に規制することのできる上
限・下限水位規制装置付直接々触式温水ヒーター
に関するものである。[Detailed description of the invention] [Field of industrial application] This invention effectively regulates the upper and lower limits of the water level of hot water flowing down to the hot water storage section provided at the bottom of a direct contact type hot water heater. The present invention relates to a direct contact type hot water heater with an upper and lower limit water level regulating device that can be used.
〔従来の技術〕
従来より、最下部に設けられている貯湯部の上
方に燃焼室が設けられており、該燃焼室の上方に
吸熱材が充填されている吸熱室が設けられてい
て、該吸熱室の上方より該吸熱材上に水を散水し
て落下して来る水と該燃焼室で燃焼せしめられた
燃料の燃焼ガスとを直接々触せしめて最下部の貯
湯部に所望温度の温水を得る構造の直接々触式温
水ヒーターに関する技術思想は実公昭43−31828
号、実公昭43−31833号などに開示されている。[Prior Art] Conventionally, a combustion chamber is provided above a hot water storage section provided at the bottom, and an endothermic chamber filled with an endothermic material is provided above the combustion chamber. Water is sprinkled onto the heat-absorbing material from above the heat-absorbing chamber, and the falling water is brought into direct contact with the combustion gas of the fuel combusted in the combustion chamber, thereby supplying hot water at the desired temperature to the hot water storage section at the bottom. The technical idea regarding a direct contact type hot water heater with a structure to obtain
No. 43-31833, etc.
このような直接々触式温水ヒーターは、加熱さ
れるべき水が燃焼室の上方の吸熱室と下方の貯湯
部とで直接に接触する構造であるために熱効率が
非常に良く、密閉容器内で温水を得るための従来
のボイラなどと異なつて大気圧下で水を加熱する
方式であるため家庭でも容易に使用できると共
に、得られる温水はその中に含まれていた溶存酸
素が脱気された防錆上良好な温水であると共に燃
焼ガス中に含まれている炭酸ガスが取り込まれて
いるので風呂用として使用すると疲労回復など通
常の水道水をそのまま風呂釜で加熱した温水にな
い効果を有していてその用途はかなり広いことが
予測される。 Direct contact type hot water heaters have a structure in which the water to be heated comes into direct contact between the heat absorption chamber above the combustion chamber and the hot water storage section below, resulting in very high thermal efficiency. Unlike conventional boilers for obtaining hot water, it heats water under atmospheric pressure, so it can be easily used at home, and the dissolved oxygen contained in the resulting hot water has been degassed. The hot water is good for preventing rust, and since it incorporates the carbon dioxide contained in the combustion gas, when used for bathing, it has effects such as relieving fatigue, which hot water made by heating regular tap water in a bath pot does not have. It is predicted that its uses will be quite wide.
しかしながら、従来の直接々触式温水ヒーター
は、得られる温水が最下部の貯湯部に流下して来
て溜る構造であることに起因して、水位検出装置
を貯湯された温水を温水使用箇所に供給するため
の送水ポンプとを必要としていた。
However, in conventional direct-contact hot water heaters, the hot water obtained flows down to the hot water storage section at the bottom and accumulates therein. A water pump was needed to supply the water.
これはもし貯湯部に貯湯されている温水の水位
が低すぎると貯湯部の温水が燃焼焔により過熱さ
れて温水取出管から吹き出すなどの現像が発生す
ると共に必要以上に温水の温度を上昇せしめるこ
とになつて熱効率上好ましくなく、また温水の水
位が高くなりすぎると燃焼室が狭くなつて燃料の
燃焼効率が低下してしまうと共にバーナーへ水が
侵入して失火の怖れがあるからである。すなわ
ち、貯湯部の水位には適切な上限と下限とがある
のである。 This is because if the water level of the hot water stored in the hot water storage section is too low, the hot water in the hot water storage section will be overheated by the combustion flames, causing problems such as blowing out from the hot water outlet pipe and causing the temperature of the hot water to rise more than necessary. This is because if the hot water level becomes too high, the combustion chamber becomes narrow and the fuel combustion efficiency decreases, and there is a risk of water entering the burner and causing a misfire. In other words, the water level in the hot water storage section has appropriate upper and lower limits.
しかるにこのように貯湯部に貯湯されている温
水の水位を検出する水位検出装置を直接々触式温
水ヒーター内に配置することは、直接々触式温水
ヒーターの構造を複雑にすると共にヒーターを小
型化することの障害となり、更に水位検出装置は
必然的に燃焼室内で高温に晒されることになるの
で故障の発生率が高いために有効な方法とは言い
難い問題点があつた。 However, placing a water level detection device that detects the level of hot water stored in the hot water storage section in a direct contact type hot water heater complicates the structure of the direct contact type hot water heater and makes the heater smaller. Furthermore, since the water level detection device is inevitably exposed to high temperatures within the combustion chamber, the failure rate is high, making it difficult to say that it is an effective method.
本考案者らはかかる従来の直接々触式温水ヒー
ターの最下部に設けられている貯湯部に貯湯され
ている温水の水位に起因する問題点を解消すべく
鋭意研究の結果、貯湯部に貯湯された温水が所定
水位をこえた場合にのみ温水が直接々触式温水ヒ
ーターから排出される構造にすれば良いことに着
目したが、この構造とするために通常のオーバー
フロー構造とすると燃焼室内の燃焼焔がオーバー
フローした温水と共にヒーター外に吹き出して好
ましくないので、燃焼室には連通せずに貯湯部の
温水とのみ連通する温水取出し用配管に温水排出
可能高さ範囲が貯湯部の貯湯上限水位及び下限水
位間の範囲と一致するサイホンを設置すればよい
ことを究明して本考案を完成したものである。
The inventors of the present invention have conducted intensive research to solve the problem caused by the level of hot water stored in the hot water storage section provided at the bottom of the conventional direct contact hot water heater. We focused on creating a structure in which hot water is discharged from the direct-contact type hot water heater only when the heated water exceeds a predetermined water level. Since combustion flames may blow out of the heater along with overflowing hot water, which is undesirable, the height range at which hot water can be discharged to the hot water extraction piping, which does not communicate with the combustion chamber but only communicates with the hot water in the hot water storage section, is the upper limit of the hot water storage water level in the hot water storage section. The present invention was completed by determining that it is sufficient to install a siphon that corresponds to the range between the water level and the lower limit water level.
すなわち、本考案は最下限に設けられている貯
湯部の上方に燃焼室が設けられており該燃焼室の
上方に吸熱材が充填されている吸熱室が設けられ
ていて該吸熱室の上方より該吸熱材上に水を散水
して落下して来る水と該燃焼室で燃焼せしめれた
燃料の燃焼ガスとを直接々触せしめて該貯湯部に
所望温度の温水を得る直接々触式温水ヒーターに
おいて、温水流出可能な高さ範囲が貯湯部の貯湯
上限水位及び下限水位間の範囲と一致するサイホ
ンが、貯湯部の下部に接続されていて貯湯された
温水とのみ連通する温水取出し用配管の下限水位
よりも低い位置にサイホンの吸込み口を接続して
設置されていることを特徴とする上限・下限水位
規制装置付直接々触式温水ヒーターを提供するも
のである。 That is, in the present invention, a combustion chamber is provided above the hot water storage section provided at the lowest limit, and an endothermic chamber filled with an endothermic material is provided above the combustion chamber. A direct-contact type of hot water that obtains hot water at a desired temperature in the hot water storage section by spraying water onto the heat absorbing material and bringing the falling water into direct contact with the combustion gas of the fuel combusted in the combustion chamber. In a heater, a siphon whose height range at which hot water can flow out coincides with the range between the upper and lower water levels of the hot water storage section is connected to the lower part of the hot water storage section, and the piping for taking out hot water communicates only with the stored hot water. The present invention provides a direct contact type hot water heater with upper and lower limit water level regulating devices, characterized in that the suction port of the siphon is connected and installed at a position lower than the lower limit water level of the water heater.
以下、本考案に係る上限・下限水位規制装置付
直接々触式温水ヒーターについて詳細に説明す
る。
Hereinafter, the direct contact hot water heater with upper and lower limit water level regulating devices according to the present invention will be explained in detail.
第１図及び第２図はそれぞれ本考案に係る上
限・下限水位規制装置付直接々触式温水ヒーター
の１実施例の説明用断面図である。 FIG. 1 and FIG. 2 are illustrative cross-sectional views of one embodiment of a direct contact type hot water heater with upper and lower limit water level regulating devices according to the present invention, respectively.
図面中、１はヒーター本体であり、２はヒータ
ー本体１の最下部に設けられている貯湯である。
３は貯湯部２の上方に設けられている燃焼室であ
り、この燃焼室３には第１図に示す如くヒーター
本体１の側部に取り付けられた横焚き型のオイル
又はガスバーナー４や第２図に示す如く燃焼室３
内に設置されたている下焚き型のガス又はオイル
バーナー４、その他貯湯部２を貫通した燃焼焔噴
出口に下方に設置されたバーナー（図示し）など
より供給される燃料が燃焼せしめられ、その燃焼
ガスはヒータ本体１の上部より排出せしめられ
る。５は燃焼室３の上方に設けられている吸熱室
であり、この吸熱室５は燃焼室３と円錐形状など
の錐状の多孔板６で区画されておりこの多孔板６
の上に吸熱材７が充填されている。８は吸熱室５
の吸熱材７の上方に設置されており吸熱材７上に
加熱されるべき水を散水させる給水ノズル、９は
ヒーター本体１の吸熱室５の上方に設けられてお
り燃焼室３で燃焼され吸熱室５で水を加熱した燃
焼ガスが排出される排気筒である。１０は貯湯部
２の下部に接続されていて貯湯された温水とのみ
連通する温水取出し用配管の下限水位よりも低い
位置に接続して設置されているサイホンであり、
温水流出可能な高さ範囲が貯湯部２の貯湯上限水
位及び下限水位間の範囲を一致するように、すな
わちサイホン１０の吸 口の貯湯部２への接続位
置が下限水位よりも下方にあつて、最上部及び流
出口の高さがそれぞれ上限水位及び下限水位と一
致するように設定されている。なお、１１は貯湯
部２の温水を完全に排出する際に使用するために
温水取出し用配管のサイホン１０との接続部より
下方に設けられている止め弁である。 In the drawing, 1 is a heater main body, and 2 is a hot water storage provided at the lowest part of the heater main body 1.
Reference numeral 3 denotes a combustion chamber provided above the hot water storage section 2, and this combustion chamber 3 includes a side-firing type oil or gas burner 4 attached to the side of the heater body 1 as shown in FIG. Combustion chamber 3 as shown in Figure 2
Fuel supplied from a bottom-firing type gas or oil burner 4 installed inside the hot water storage part 2 and a burner (shown in the figure) installed below to a combustion flame spout that penetrates the hot water storage part 2 is combusted, The combustion gas is discharged from the upper part of the heater body 1. 5 is an endothermic chamber provided above the combustion chamber 3; this endothermic chamber 5 is divided from the combustion chamber 3 by a cone-shaped porous plate 6;
A heat absorbing material 7 is filled on top of the. 8 is heat absorption chamber 5
A water supply nozzle 9 is installed above the heat absorbing material 7 and sprinkles water to be heated onto the heat absorbing material 7, and 9 is provided above the heat absorbing chamber 5 of the heater body 1, and the water is burned in the combustion chamber 3 and absorbs heat. This is an exhaust stack from which the combustion gas that heated water in chamber 5 is discharged. 10 is a siphon that is connected to and installed at a position lower than the lower limit water level of a hot water extraction pipe that is connected to the lower part of the hot water storage section 2 and communicates only with the stored hot water;
The height range at which hot water can flow out matches the range between the hot water storage upper limit water level and the lower limit water level of the hot water storage section 2, that is, the connection position of the suction port of the siphon 10 to the hot water storage section 2 is located below the lower limit water level. , the height of the top and the outlet are set to match the upper limit water level and the lower limit water level, respectively. In addition, 11 is a stop valve provided below the connection part with the siphon 10 of the piping for taking out hot water in order to be used when the hot water in the hot water storage part 2 is completely discharged.
このような構造の本考案に係る上限・下限水位
規制装置付直接々触式温水ヒーターを使用するに
は、燃焼室３に横焚き型のバーナ４又は下焚き型
バーナー４′より燃料を供給すと共に給水ノズル
８より多孔板６上の吸熱室５の吸熱材７に散水す
ると、燃焼ガスは燃焼室３から吸熱室５を経て上
部の排気筒９より排出され、また散水された水は
吸熱材７中を多孔板６野斜面に沿つて流下するま
でに燃焼ガスによつて加熱され、次いで多孔板６
に沿つて多孔板６の周囲まで流下される過程及び
燃焼室３の周囲をヒーター本体１の壁面に沿つて
流下される過程で加熱され、更に貯湯部２に貯湯
された状態でその上面から加熱されて所望温度の
温水となる。
In order to use the direct contact type hot water heater with upper and lower limit water level regulating devices according to the present invention having such a structure, fuel must be supplied to the combustion chamber 3 from the side-fired burner 4 or the bottom-fired burner 4'. At the same time, when water is sprinkled from the water supply nozzle 8 to the heat absorbing material 7 in the heat absorbing chamber 5 on the perforated plate 6, the combustion gas is discharged from the combustion chamber 3 through the heat absorbing chamber 5 and from the upper exhaust pipe 9, and the sprayed water is also sprayed onto the heat absorbing material 7 on the heat absorbing chamber 5 on the perforated plate 6. 7, the perforated plate 6 is heated by the combustion gas until it flows down the slope, and then the perforated plate 6
The hot water is heated in the process of flowing down around the perforated plate 6 along the hot water and around the combustion chamber 3 along the wall surface of the heater body 1, and further heated from the top surface while being stored in the hot water storage section 2. The water is heated to the desired temperature.
かかる温水の加熱過程において、多孔板６を図
示した如く水平に対する傾斜角度が10〜60度の円
錐や角錐などの錐状とし且つ穿設されている孔
を、丸孔などの上方から流下して来た水が孔の周
囲に沿つて順次下方に流下するように形成したこ
とにより、給水ノズル８から吸熱室５内の吸熱材
７上に散水された水は吸熱材７中を流下した後に
多孔板６に沿つて流下して多孔板６の周囲からヒ
ーター本体１の壁面に沿つて貯湯部２に流下し、
多孔板６に穿設されている孔から直接水滴となつ
て貯湯部２に落下することないので、燃焼室３内
の燃焼焔が落下する水滴で不完全燃焼することが
ないのである。 In the process of heating the hot water, as shown in the figure, the perforated plate 6 is made into a conical shape such as a cone or a pyramid with an inclination angle of 10 to 60 degrees with respect to the horizontal, and the perforated hole is made to flow down from above, such as a round hole. Since the water is formed so that it flows downward sequentially along the periphery of the hole, the water sprayed from the water supply nozzle 8 onto the heat absorbing material 7 in the heat absorbing chamber 5 flows down through the heat absorbing material 7 and then flows through the porous holes. The hot water flows down along the plate 6 and flows from around the perforated plate 6 to the hot water storage section 2 along the wall surface of the heater main body 1.
Since the water droplets do not directly fall into the hot water storage part 2 from the holes formed in the perforated plate 6, the combustion flame in the combustion chamber 3 does not undergo incomplete combustion due to the falling water droplets.
かくして貯湯部２に貯湯される温水が上限水位
を越えると、貯湯部２の温水は温水取出し配管に
配置されているサイホン１０の最上部を経て温水
使用場所に流出せしめられるため、貯湯部２の温
水の水位が貯湯上限水位を越えることがない。そ
して貯湯部２内の水位が下がつて下限水位すなわ
ちサイホン１０の流出口の高さに達したときに温
水の流出は止るので、下限水位から下がることも
ない。しかもサイホン１０の温水吸込み口は常に
貯湯部２の下部の温水中にあるから、燃焼焔によ
つて加熱され易い表層温水が吹き出す恐れもな
い。 In this way, when the hot water stored in the hot water storage section 2 exceeds the upper limit water level, the hot water in the hot water storage section 2 flows out to the hot water usage area through the top of the siphon 10 arranged in the hot water extraction piping. The hot water level never exceeds the hot water storage upper limit water level. Then, when the water level in the hot water storage section 2 decreases and reaches the lower limit water level, that is, the height of the outlet of the siphon 10, the hot water stops flowing out, and therefore does not fall below the lower limit water level. Moreover, since the hot water suction port of the siphon 10 is always located in the hot water at the bottom of the hot water storage section 2, there is no fear that the surface hot water, which is easily heated by combustion flames, will blow out.
以上詳述した如き本考案に係る上限・下限水位
規制装置付直接々触式温水ヒーターは、ヒーター
本体１の最下部に設けられている貯湯部２に接続
されていて貯湯されている温水とのみ連通する温
水取出し用配管の下限水位よりも低い位置に、温
水流出可能な高さ範囲が貯湯部の貯湯上限水位及
び下限水位間の範囲と一致するサイホン１０を設
置するだけの簡単な構造であるので安価且つ容易
に製作でき、貯湯部２に貯湯された温水がサイホ
ン１０の効果により常時貯湯上限水位と下限水位
との間にあるために貯湯部２に貯湯される温水の
水位が高すぎたり低すぎたりすることによる弊害
を完全に除去できるのであり、その実用的価値は
非常に大きなものがある。
The direct contact type hot water heater with upper and lower limit water level regulating devices according to the present invention as detailed above is connected to the hot water storage section 2 provided at the lowest part of the heater body 1 and only uses hot water stored therein. It has a simple structure in which a siphon 10 whose height range at which hot water can flow out coincides with the range between the hot water storage upper limit water level and the lower limit water level of the hot water storage section is installed at a position lower than the lower limit water level of the communicating hot water extraction piping. Therefore, it is inexpensive and easy to manufacture, and because the hot water stored in the hot water storage section 2 is always between the upper limit water level and the lower limit water level due to the effect of the siphon 10, the water level of the hot water stored in the hot water storage section 2 is too high. It is possible to completely eliminate the harmful effects caused by too low a temperature, and its practical value is extremely great.
第１図及び第２図はそれぞれ本考案に係る上
限・下限水位規制装置付直接々触式温水ヒーター
の１実施例の説明用断面図である。
１……ヒーター本体、２……貯湯部、３……燃
焼室、４……横焚き型のバーナー、４′……下焚
き型のバーナー、５……吸熱室、６……多孔板、
７……吸熱材、８……給水ノズル、９……排気
筒、１０……サイホン、１１……止め弁。
FIG. 1 and FIG. 2 are illustrative cross-sectional views of one embodiment of a direct contact type hot water heater with upper and lower limit water level regulating devices according to the present invention, respectively. 1... Heater body, 2... Hot water storage section, 3... Combustion chamber, 4... Horizontal firing type burner, 4'... Bottom firing type burner, 5... Endothermic chamber, 6... Perforated plate,
7... Endothermic material, 8... Water supply nozzle, 9... Exhaust pipe, 10... Siphon, 11... Stop valve.
Claims (1)
室３が設けられており該燃焼室３の上方に吸熱材
７が充填されている吸熱室５が設けられていて該
吸熱室５の上方より該吸熱材７上に水を散水して
落下して来る水と該燃料室３で燃焼せしめられた
燃料の燃焼ガスとを直接々触せしめて該貯湯部２
に所望温度の温水を得る直接々触式温水ヒーター
において、温水流出可能な高さ範囲が貯湯部２の
貯湯上限水位及び下限水位間の範囲と一致するサ
イホン１０が、貯湯部２の下部に接続されていて
貯湯された温水とのみ連通する温水取出し用配管
の下限水位よりも低い位置にサイホン１０の吸込
み口を接続して設置されていることを特徴とする
上限・下限水位規制装置付直接々触式温水ヒータ
ー。 A combustion chamber 3 is provided above the hot water storage section 2 provided at the lowest part.A heat absorption chamber 5 filled with heat absorption material 7 is provided above the combustion chamber 3.Above the heat absorption chamber 5 Water is sprinkled onto the heat absorbing material 7 and the falling water is brought into direct contact with the combustion gas of the fuel combusted in the fuel chamber 3 to form the hot water storage section 2.
In a direct contact type hot water heater that obtains hot water at a desired temperature, a siphon 10 whose height range at which hot water can flow out coincides with the range between the upper and lower limit water levels of the hot water storage section 2 is connected to the lower part of the hot water storage section 2. The suction port of the siphon 10 is connected to and installed at a position lower than the lower limit water level of the hot water take-out piping that communicates only with the stored hot water. Touch type hot water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985184412U JPH0426839Y2 (en) | 1985-12-02 | 1985-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985184412U JPH0426839Y2 (en) | 1985-12-02 | 1985-12-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6293647U JPS6293647U (en) | 1987-06-15 |
| JPH0426839Y2 true JPH0426839Y2 (en) | 1992-06-26 |
Family
ID=31132058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985184412U Expired JPH0426839Y2 (en) | 1985-12-02 | 1985-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426839Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5399546A (en) * | 1977-02-14 | 1978-08-31 | Sanyo Electric Co Ltd | Water heating device |
| JPS55146348A (en) * | 1979-05-01 | 1980-11-14 | Du Pont | Fluid heater and method of heating fluid |
| JPS6037247U (en) * | 1983-08-23 | 1985-03-14 | 富士通株式会社 | Transistor heat dissipation mounting structure |
-
1985
- 1985-12-02 JP JP1985184412U patent/JPH0426839Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5399546A (en) * | 1977-02-14 | 1978-08-31 | Sanyo Electric Co Ltd | Water heating device |
| JPS55146348A (en) * | 1979-05-01 | 1980-11-14 | Du Pont | Fluid heater and method of heating fluid |
| JPS6037247U (en) * | 1983-08-23 | 1985-03-14 | 富士通株式会社 | Transistor heat dissipation mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6293647U (en) | 1987-06-15 |
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