JPH0622871U - Solar water heater structure - Google Patents
Solar water heater structureInfo
- Publication number
- JPH0622871U JPH0622871U JP3139792U JP3139792U JPH0622871U JP H0622871 U JPH0622871 U JP H0622871U JP 3139792 U JP3139792 U JP 3139792U JP 3139792 U JP3139792 U JP 3139792U JP H0622871 U JPH0622871 U JP H0622871U
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- tank
- storage tank
- water storage
- automatic
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
(57)【要約】
【目的】 貯湯槽内の温水が自動給水タンク内へ対流循
環することなく、貯湯槽内の温水は高温度に保持されつ
つ常時高温度の温水を給湯できる太陽熱温水器の貯湯槽
構造を提供することを目的とする。
【構成】 貯湯槽１２と、この貯湯槽１２内の下部位置
に連通された自動給水タンク１４とを備え、貯湯槽内１
２の上部から自動給水タンク１４へエア抜き部１６が連
通されている。更に前記エア抜き部１６のエア抜き口４
６は、自動給水タンク１４の止水水位４４より上方位置
に設定されている。これにより、貯湯槽１２内の上部に
滞留する高温度の温水がエエア抜き部１６を通って自動
給水タンク１４内へと対流循環することなく、貯湯槽１
２内の温水は高温度を保持しながら給湯できる。
(57) [Summary] [Purpose] A solar water heater that can constantly supply hot water of high temperature while the hot water in the hot water tank is kept at high temperature without convection circulation of hot water in the hot water tank to the automatic water tank. An object is to provide a hot water tank structure. [Composition] A hot water storage tank 12 and an automatic water supply tank 14 communicating with a lower position in the hot water storage tank 12 are provided.
The air bleeding portion 16 communicates with the automatic water supply tank 14 from the upper part of 2. Further, the air vent 4 of the air vent 16
6 is set to a position above the water stop level 44 of the automatic water supply tank 14. As a result, the hot water having a high temperature staying in the upper portion of the hot water storage tank 12 does not convectively circulate into the automatic water supply tank 14 through the air discharge portion 16, and the hot water storage tank 1
The hot water in 2 can supply hot water while maintaining a high temperature.
Description
【０００１】[0001]
本考案は、太陽熱温水器の貯湯槽構造に関するものである。 The present invention relates to a hot water storage tank structure of a solar water heater.
【０００２】[0002]
従来、太陽熱で水を加温する太陽熱温水器は、断熱箱内の集熱部に貯湯槽が連 通され、集熱部で昼間の太陽熱を集熱しながら集熱部内の水を加温し、この温水 を集熱部から貯湯槽内の貯留水へと対流循環させながら高温度に加温している。 この温水は浴室、台所等の給湯に安価に使用できるため一般住宅や病院等の給湯 施設として太陽熱温水器が利用されている。 前記、従来の太陽熱温水器の貯湯槽には、図６に示すように同貯湯槽の端部上 方位置に給水のための自動給水タンクが設置され、この自動給水タンクの底面か ら貯湯槽内の下部位置へ給水路が連通され、更に貯湯槽内の上部に連通されたエ ア抜き部が自動給水タンクへと連通されている。このエア抜き部のエア抜き口は 自動給水タンクの止水水位の下方位置に設定され、例えば、貯湯槽内の温水を使 用するにしたがって貯湯槽並びに自動給水タンク内の水位は低下し、この使用し た温水と同量の水を自動給水タンクより補充し、貯湯槽内を常時満水状態に保持 しているものである。 Conventionally, in a solar water heater that heats water with solar heat, a hot water storage tank is connected to the heat collecting section in the heat insulation box, and the heat collecting section heats the water in the heat collecting section while collecting the daytime solar heat. The hot water is heated to a high temperature while convectively circulating from the heat collecting section to the stored water in the hot water storage tank. Since this hot water can be used inexpensively for hot water supply in bathrooms, kitchens, etc., solar water heaters are used as hot water supply facilities in general houses and hospitals. As shown in Fig. 6, an automatic water supply tank for water supply is installed in the hot water storage tank of the conventional solar water heater above the end of the hot water storage tank, and the hot water storage tank is installed from the bottom of the automatic water supply tank. The water supply channel is connected to the lower part of the inside, and the air vent part connected to the upper part of the hot water storage tank is connected to the automatic water supply tank. The air vent of this air vent is set below the level of the water stop of the automatic water supply tank.For example, as hot water in the hot water storage tank is used, the water level in the hot water storage tank and the automatic water supply tank lowers. The amount of hot water used is replenished from the automatic water supply tank to keep the hot water tank full.
【０００３】[0003]
しかしながら、前記貯湯槽内の上部位置に連通されたエア抜き部は、そのエア 抜き口が自動給水タンク内の止水水位より下方位置に設定されているため、せっ かく高温度に加熱された貯湯槽内の温水がエア抜き部を経由して自動給水タンク 内へと逆流的に対流循環し、貯湯槽内の温水は次第に温度が低下して高温度を維 持できない問題があった。 However, since the air vent of the air vent connected to the upper position in the hot water storage tank is set below the level of the water shutoff in the automatic water tank, the hot water heated to a high temperature is stored. The hot water in the tank circulates convectively back into the automatic water supply tank via the air bleeding part, and the temperature of the hot water in the hot water storage tank gradually decreases and there is a problem that it cannot maintain a high temperature.
【０００４】 本考案は、上記従来の問題点に鑑みてなされたものであり、その目的は貯湯槽 内の温水が自動給水タンク内へ対流循環することなく、貯湯槽内の温水は高温度 に保持されつつ常時高温度の温水を給湯できる太陽熱温水器の貯湯槽構造を提供 することにある。The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to keep hot water in a hot water tank at a high temperature without convectively circulating hot water in the hot water tank to an automatic water supply tank. It is to provide a hot water storage tank structure of a solar water heater that can always supply hot water of high temperature while being retained.
【０００５】[0005]
上記目的を達成するために、本考案は、貯湯槽１２と、この貯湯槽１２内の下 部位置に連通された自動給水タンク１４と、貯湯槽１２内の上部から自動給水タ ンク１４へと連通されたエア抜き部１６とを備え、前記エア抜き部１６のエア抜 き口４６は、自動給水タンク１４の止水水位４４より上方位置に設定されて成る 太陽熱温水器の貯湯槽構造１０から構成される。 In order to achieve the above object, the present invention provides a hot water storage tank 12, an automatic water supply tank 14 communicating with a lower portion of the hot water storage tank 12, and an automatic water supply tank 14 from an upper portion of the hot water storage tank 12. The air bleeder 16 communicated with the air bleeder 16 is provided, and the air bleeder 46 of the air bleeder 16 is set at a position higher than the water stop level 44 of the automatic water supply tank 14. Composed.
【０００６】[0006]
本考案の太陽熱温水器の貯湯槽構造においては、始めに自動給水タンクへ給水 された水は、貯湯槽内の下部位置へと通流貯留されながら水位が上昇し、貯湯槽 内の空気はエア抜き部より自動給水タンクを経由して外部へと放出される。貯湯 槽内が貯留水で満杯となり、自動給水タンク内の水位が止水水位へと上昇すると 自動給水タンク内への給水は自動的に停止される。貯湯槽内の水は同貯湯槽の下 方位置に連通された集熱部へと流入し、集熱部内で高温度に加温されて温水とな る。この温水は貯湯槽内の貯留水との温度差で貯湯槽内へと対流循環しながら貯 湯槽内の貯留水の温度は次第に上昇し、高温度の温水となる。自動給水タンク内 において貯湯槽からのエア抜き部のエア抜き口は、止水水位の上方に設定されて いるため貯湯槽内の上部に滞留している高温度の温水が自動給水タンク内の冷水 へと対流循環することなく、この貯湯槽内の温水は夜間から翌朝まで高い温度に 保持され、従って洗面所、浴室、台所等へ高温度の温水を給湯できることとなる 。 In the structure of the hot water storage tank of the solar water heater of the present invention, the water initially supplied to the automatic water supply tank rises while flowing through to the lower position in the hot water storage tank, and the air in the hot water storage tank is air. It is discharged to the outside through the automatic water tank from the extraction part. When the inside of the hot water tank is filled with the stored water and the water level in the automatic water tank rises to the stop water level, water supply to the automatic water tank is automatically stopped. The water in the hot water storage tank flows into the heat collecting section, which communicates with the lower position of the hot water storage tank, and is heated to a high temperature in the heat collecting section to become hot water. Due to the temperature difference between the hot water and the water stored in the hot water storage tank, the temperature of the stored water in the hot water storage tank gradually rises while convectively circulating into the hot water storage tank, resulting in high temperature hot water. In the automatic water tank, the air vent for the air vent from the hot water storage tank is set above the water stop level, so the high temperature hot water that remains in the upper part of the hot water storage tank is the cold water in the automatic water supply tank. The hot water in this hot water storage tank is kept at high temperature from night to next morning without convection circulation to, so that hot water can be supplied to the bathroom, bathroom, kitchen, etc.
【０００７】[0007]
以下、添付図面を参照しながら、本考案の好適な実施例を説明する。 図１ないし図５には、本考案の実施例に係る太陽熱温水器の貯湯槽構造１０が 示されている。 図において、太陽熱温水器の貯湯槽構造１０は、貯湯槽１２と、この貯湯槽１ ２内の下部位置に連通された自動給水タンク１４と、貯湯槽１２内の上部から自 動給水タンク１４へ連通されたエア抜き部１６と、を備えている。 図１に示す様に、前記貯湯槽１２は、例えば、高分子ポリエチレンの様な合成 樹脂を素材とした中空の横型筒体１８より成り、この横型筒体１８の一端は閉鎖 板２０で閉鎖され、横型筒体１８の他端には同横型筒体１８の下面の延長方向へ と偏心された横台錐状絞り筒２２が連設されている。 Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. 1 to 5 show a hot water storage tank structure 10 of a solar water heater according to an embodiment of the present invention. In the figure, a hot water storage tank structure 10 of a solar water heater includes a hot water storage tank 12, an automatic water supply tank 14 communicating with a lower position in the hot water storage tank 12, and an automatic water supply tank 14 from an upper part in the hot water storage tank 12. And an air bleeding portion 16 that communicates with each other. As shown in FIG. 1, the hot water storage tank 12 comprises a hollow horizontal cylindrical body 18 made of a synthetic resin such as high-molecular polyethylene, and one end of the horizontal cylindrical body 18 is closed by a closing plate 20. At the other end of the horizontal tubular body 18, a horizontal trapezoidal conical diaphragm tube 22 is provided, which is eccentric in the extension direction of the lower surface of the horizontal tubular body 18.
【０００８】 また、前記横型筒体１８の閉鎖板２０の略中心位置には給湯口２４が固定され 、この給湯口２４の内端側には自由チューブ２６が連通されると共に自由チュー ブ２６にフロート付給湯管２８が連通されている。更に、横形筒体１８の底面部 の中央位置と両端寄り位置とには、集熱部（図示せず）へ連通させるための中央 連通口３０ａ、３０ａ、両端部連通口３０ｂ、３０ｂが設けられている。 前記自動給水タンク１４は、横型筒体１８の横台錐状絞り筒２２の上方位置に 設置された矩形状の密閉タンク体３２より成り、この密閉タンク体３２の底面と 前記貯湯槽１２の横台錐状絞り筒２２とに給水路３４が連通されている。 前記密閉タンク体３０の外側面の上部位置には、浮子３６の下降または上昇で 開閉されるボールタップ３８が連通され、このボールタップ３８の下方位置に溢 流管４０が設けられている。前記ボールタップ３８に外部の給水管４２が連通さ れ、この給水管４２よりボールタップ３８を通じて密閉タンク体３２内に給水さ れ、この給水された水は給水路３４より貯湯槽１２内に貯留される。この貯湯槽 １２内が満杯となると密閉タンク体３２内の水位が上昇し、浮子３６がボールタ ップ３８の止水水位４４へと上昇した時点でボールタップ３８は閉弁される。A hot water supply port 24 is fixed at a substantially central position of the closing plate 20 of the horizontal tubular body 18, and a free tube 26 is connected to an inner end side of the hot water supply port 24 and is connected to the free tube 26. The float hot water supply pipe 28 is communicated. Further, central communication ports 30a, 30a for communicating with a heat collecting portion (not shown) and communication ports 30b, 30b for both ends are provided at the center position of the bottom surface of the horizontal tubular body 18 and at the positions near both ends. ing. The automatic water supply tank 14 is composed of a rectangular closed tank body 32 installed above the horizontal trapezoidal conical drawing tube 22 of the horizontal tubular body 18, and the bottom surface of the closed tank body 32 and the horizontal side of the hot water storage tank 12. A water supply passage 34 is connected to the truncated cone-shaped throttle cylinder 22. A ball tap 38 which is opened and closed by lowering or raising the float 36 is communicated with an upper position of the outer side surface of the closed tank body 30, and an overflow pipe 40 is provided below the ball tap 38. An external water supply pipe 42 is communicated with the ball tap 38, and the water is supplied from the water supply pipe 42 into the closed tank body 32 through the ball tap 38, and the supplied water is stored in the hot water tank 12 through the water supply passage 34. . When the hot water storage tank 12 is full, the water level in the closed tank body 32 rises, and the ball tap 38 is closed when the float 36 rises to the water stop level 44 of the ball tap 38.
【０００９】 前記エア抜き部１６は、例えば、管状に成型されて前記貯湯槽１２の横形筒体 １８の上部位置から自動給水タンク１４の密閉タンク体３２の側面へと連通され ている。 本考案の特徴的なことは、前記エア抜き部１６のエア抜き口４６が自動給水タ ンク１４の止水水位４４より上方位置に設定されたことにある。 これにより、自動給水タンク１４が夜間等に急速に放熱して内部の水の温度が 低下しても、貯湯槽１２内の上部位置に貯留されている高温度の温水は前記エア 抜き部１６で自動給水タンク１４内の水と分離され、従って貯湯槽１２内の温水 が自動給水タンク１４内へと対流循環することなく、貯湯槽内の温水は高温度を 保持でき、高温度の温水を給湯できることとなる。 図１、図５に示す様に、前記貯湯槽１２の外周面及び自動給水タンク１４の一 方側面は発泡スチロールの様な断熱材４８で被覆され、その外周面をステンレス の様な保護外板５０で保護されている。The air bleeding portion 16 is, for example, formed in a tubular shape and communicates with an upper position of the horizontal tubular body 18 of the hot water storage tank 12 to a side surface of the closed tank body 32 of the automatic water supply tank 14. A feature of the present invention is that the air vent port 46 of the air vent portion 16 is set to a position higher than the water stop level 44 of the automatic water supply tank 14. As a result, even if the automatic water supply tank 14 rapidly dissipates heat at night and the temperature of the internal water drops, the high-temperature hot water stored in the upper position in the hot water storage tank 12 is discharged by the air bleeder 16. The hot water in the hot water storage tank 12 can be kept at a high temperature without being convectively circulated into the automatic water supply tank 14 because the hot water in the hot water storage tank 12 is separated from the water in the hot water supply tank 14, and the hot water of a high temperature can be supplied. It will be possible. As shown in FIGS. 1 and 5, the outer peripheral surface of the hot water storage tank 12 and one side surface of the automatic water supply tank 14 are covered with a heat insulating material 48 such as Styrofoam, and the outer peripheral surface thereof is covered with a protective outer plate 50 such as stainless steel. Protected by.
【００１０】 本考案の太陽熱温水器の貯湯槽構造１０は、図２の仮想線で示す断熱箱５２上 面の上方側の端部位置に設置し、この断熱箱５２内に内装された太陽熱の集熱部 に貯湯槽１２の中央連通口３０ａ、３０ａ、並びに端部連通口３０ｂ、３０ｂを 連通させる。この状態で太陽光線が照射する屋根面に断熱箱５２を設置し、自動 給水タンク１４のボールタップ３８に給水管４２を連通させ、また貯湯槽１２の 給湯口２４に連通させた給湯管を洗面所、浴室、台所等へと配管させる。 そこで、自動給水タンク１４から給水された水で貯湯槽１２内が満杯となり、 自動給水タンク１４内の水位がボールタップ３８の設定された止水水位４４まで 上昇するとボールタップ３８が自動閉弁されて給水は停止される。そして、貯湯 槽１２内の貯留水は同貯湯槽１２の下方位置の集熱部へと流入し、昼間の太陽熱 を集熱した集熱部内で高温度に加温されて温水となり、この温水は貯湯槽１２内 の貯留水との温度差で中央連通口３０ａ、３０ａを通って貯湯槽１２内へと上昇 し、また貯湯槽１２内の水は端部連通口３０ｂ、３０ｂより集熱部へと流下しな がら対流循環して貯湯槽１２内の貯留水の温度は次第に上昇し、高温度の温水と なって貯留される。The hot water storage tank structure 10 of the solar water heater of the present invention is installed at the upper end position of the upper surface of the heat insulating box 52 shown by the phantom line in FIG. The central communication ports 30a, 30a and the end communication ports 30b, 30b of the hot water storage tank 12 are communicated with the heat collecting part. In this state, a heat insulating box 52 is installed on the roof surface irradiated by the sun's rays, the ball tap 38 of the automatic water supply tank 14 is connected to the water supply pipe 42, and the hot water supply pipe connected to the hot water supply port 24 of the hot water storage tank 12 is a washroom. , Pipe to bathroom, kitchen, etc. Therefore, when the hot water tank 12 is filled with the water supplied from the automatic water supply tank 14 and the water level in the automatic water supply tank 14 rises to the set water stop level 44 of the ball tap 38, the ball tap 38 is automatically closed to supply water. Is stopped. Then, the stored water in the hot water storage tank 12 flows into the heat collecting portion located below the hot water storage tank 12, and is heated to a high temperature in the heat collecting portion that collects the daytime solar heat to become hot water. Due to the temperature difference with the water stored in the hot water storage tank 12, it rises into the hot water storage tank 12 through the central communication ports 30a, 30a, and the water in the hot water storage tank 12 flows from the end communication ports 30b, 30b to the heat collecting part. While flowing down, the temperature of the stored water in the hot water storage tank 12 gradually rises and is stored as high-temperature hot water.
【００１１】 夜間等において、特に、自動給水タンク１４は貯湯槽１２に比べて放熱が早く 、自動給水タンク１４内の水は急速に温度が低下して冷水となりやすい。しかし 、貯湯槽１２内の上部から自動給水タンク１４へのエア抜き部１６のエア抜き口 ４６が自動給水タンク１４内の止水水位４４の上方に位置しているため貯湯槽１ ２内の上部に滞留している高温度の温水は自動給水タンク１４内の冷水へ対流循 環することがなく、高温度を保持できることとなる。従って、集熱部で加熱され 貯湯槽１２内に貯留された高温度の温水は夜間から翌朝まで高い温度に保持され 、洗面所、浴室、台所等へ高温度の温水を給湯できることとなる。At night or the like, in particular, the automatic water supply tank 14 radiates heat faster than the hot water storage tank 12, and the temperature of the water in the automatic water supply tank 14 is likely to drop rapidly to become cold water. However, since the air vent port 46 of the air vent portion 16 from the upper part in the hot water storage tank 12 to the automatic water supply tank 14 is located above the still water level 44 in the automatic water supply tank 14, the upper part in the hot water storage tank 12 is The high temperature hot water staying in the hot water supply tank 14 can maintain the high temperature without being circulated convectively to the cold water in the automatic water supply tank 14. Therefore, the high-temperature hot water heated in the heat collecting section and stored in the hot-water storage tank 12 is kept at a high temperature from the night to the next morning, and the high-temperature hot water can be supplied to the washroom, bathroom, kitchen, and the like.
【００１２】[0012]
以上、説明した様に請求項１に係る太陽熱温水器の貯湯槽構造によれば、貯湯 槽と、この貯湯槽内の下部位置に連通された自動給水タンクと、貯湯槽内の上部 から自動給水タンクへと連通されたエア抜き部とを備え、前記エア抜き部のエア 抜き口は、自動給水タンクの止水水位より上方位置に設定されて成ることにより 、湯槽内の温水が上方から逆流状に自動給水タンク内へ対流循環することなく、 貯湯槽内の温水は常時高温度に保持されつつ高温度の温水を給湯できることとな る。 As described above, according to the hot water storage tank structure of the solar water heater according to claim 1, the hot water storage tank, the automatic water supply tank communicating with the lower position in the hot water storage tank, and the automatic water supply from the upper part in the hot water storage tank An air vent connected to the tank is provided, and the air vent of the air vent is set to a position higher than the water stop level of the automatic water supply tank, so that the hot water in the hot water tank flows backward from above. In addition, the hot water in the hot water storage tank can always be kept at a high temperature without being convected and circulated in the automatic water supply tank.
【図１】本考案の実施例に係る太陽熱温水器の貯湯槽構
造の縦断面図である。FIG. 1 is a vertical sectional view of a hot water storage tank structure of a solar water heater according to an embodiment of the present invention.
【図２】図１の浮子を省略したＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along the line AA in which the float of FIG. 1 is omitted.
【図３】図１のＢ−Ｂ線断面図である。FIG. 3 is a sectional view taken along line BB of FIG.
【図４】図１のＣ−Ｃ線断面図である。4 is a cross-sectional view taken along the line CC of FIG.
【図５】本考案の太陽熱温水器の貯湯槽構造を切開して
内部を示した斜視図である。FIG. 5 is a perspective view showing the inside of the solar water heater of the present invention by cutting open the hot water storage tank structure.
【図６】従来の太陽熱温水器の貯湯槽構造の縦断面図で
ある。FIG. 6 is a vertical cross-sectional view of a conventional hot water storage tank structure for a solar water heater.
１０ 太陽熱温水器の貯湯槽構造 １２ 貯湯槽 １４ 自動給水タンク １６ エア抜き部 ４４ 止水水位 ４６ エア抜き口 10 Solar Water Heater Storage Tank Structure 12 Hot Water Storage Tank 14 Automatic Water Supply Tank 16 Air Venting Section 44 Stop Water Level 46 Air Venting Port
Claims (1)
通された自動給水タンクと、貯湯槽内の上部から自動給
水タンクへと連通されたエア抜き部と、を備え、 前記エア抜き部のエア抜き口は、自動給水タンクの止水
水位より上方位置に設定されて成る太陽熱温水器の貯湯
槽構造。1. A hot water storage tank, an automatic water supply tank which communicates with a lower position in the hot water storage tank, and an air bleeder which communicates with an automatic water supply tank from an upper portion of the hot water storage tank. The air vent of the section is a hot water storage tank structure of the solar water heater that is set above the water level of the automatic water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3139792U JPH0622871U (en) | 1992-04-13 | 1992-04-13 | Solar water heater structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3139792U JPH0622871U (en) | 1992-04-13 | 1992-04-13 | Solar water heater structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0622871U true JPH0622871U (en) | 1994-03-25 |
Family
ID=12330131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3139792U Pending JPH0622871U (en) | 1992-04-13 | 1992-04-13 | Solar water heater structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0622871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4629803B1 (en) * | 2010-06-04 | 2011-02-09 | 株式会社五光製作所 | Railway vehicle waste or sewage tank |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59217447A (en) * | 1984-05-09 | 1984-12-07 | Matsushita Electric Ind Co Ltd | Hot-water reserving tank for solar heat-utilizing water heater or the like |
-
1992
- 1992-04-13 JP JP3139792U patent/JPH0622871U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59217447A (en) * | 1984-05-09 | 1984-12-07 | Matsushita Electric Ind Co Ltd | Hot-water reserving tank for solar heat-utilizing water heater or the like |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4629803B1 (en) * | 2010-06-04 | 2011-02-09 | 株式会社五光製作所 | Railway vehicle waste or sewage tank |
| JP2011255704A (en) * | 2010-06-04 | 2011-12-22 | Goko Seisakusho Co Ltd | Soil or sewage tank for rolling stock |
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