JP2000274810A - Full automatic bath hot water supply apparatus - Google Patents
Full automatic bath hot water supply apparatusInfo
- Publication number
- JP2000274810A JP2000274810A JP11080895A JP8089599A JP2000274810A JP 2000274810 A JP2000274810 A JP 2000274810A JP 11080895 A JP11080895 A JP 11080895A JP 8089599 A JP8089599 A JP 8089599A JP 2000274810 A JP2000274810 A JP 2000274810A
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- temperature
- bath
- water
- fully 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
Landscapes
- Control For Baths (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、浴槽に張るお湯の
量及びお湯の温度の全自動設定機能を有する自動風呂給
湯機に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic bath water heater having a function of automatically setting the amount of hot water to be applied to a bathtub and the temperature of hot water.
【０００２】[0002]
【従来の技術】従来の前記全自動風呂給湯機は、入浴者
が浴槽に張るお湯の水位（もしくは水量）を設定し、併
せてお湯の温度を設定して運転開始ボタンを入力する
と、給湯用熱交換器が駆動して上水を設定温度まで加熱
し、これを浴槽内が設定水位（もしくは設定水量）にな
るまで給湯し、浴槽が設定水位になると給湯用熱交換器
を停止し、次に追い焚き用の循環ポンプを駆動して循環
経路内に浴槽のお湯を循環させて水温チェックを行い、
水温が設定水温より低い場合（通常は自然放熱により設
定温度より低い）に追い焚き用熱交換器を駆動して設定
水温になるまで追い焚きを行い、その後停止するという
運転を行うようになっている。2. Description of the Related Art A conventional fully automatic bath water heater uses a hot water supply system when a bather sets a water level (or water amount) of hot water to be applied to a bathtub, sets a temperature of the hot water and inputs an operation start button. The heat exchanger drives to heat the tap water to the set temperature and supplies hot water until the inside of the bathtub reaches the set water level (or set water amount). When the bathtub reaches the set water level, the hot water supply heat exchanger is stopped. Driving a circulation pump for reheating, circulating hot water in the bathtub in the circulation path and checking the water temperature,
When the water temperature is lower than the set water temperature (usually lower than the set temperature due to natural heat radiation), the reheating heater is driven to reheat the heat until the set water temperature is reached, and then the operation is stopped. I have.
【０００３】図２は、この従来の全自動風呂給湯機の運
転シーケンスを示すもので、ステップ１で温度（Ｘ℃）
と湯量（Ｙリットル）を設定し、ステップ２で自動ボタ
ンをＯＮにすると、Ｘ℃のお湯をＹリットル浴槽内に給
湯し（通常約１２分）、ステップ４で循環ポンプを駆動
して湯温チェック（Ｘ−２℃）を行い、ステップ５でＸ
℃になるまで追い焚きを行うものである（通常約３
分）。FIG. 2 shows an operation sequence of this conventional fully automatic bath water heater. In step 1, the temperature (X ° C.)
When the automatic button is turned on in step 2, the hot water of X ° C. is supplied into the Y liter bath (normally about 12 minutes), and in step 4, the circulation pump is driven to turn on the hot water. Check (X-2 ° C)
Reheating is performed until the temperature reaches ℃ (usually about 3
Minutes).
【０００４】[0004]
【発明が解決しようとする課題】しかし、上記従来の全
自動風呂給湯機においては、次のような欠点がある。 １．「早く風呂に入りたい」、「風呂を沸かす時間が待
ち遠しい」というユーザーニーズがある。 ２．設定温度のお湯を給湯した後で、循環ポンプを駆動
して温度チェックと追い焚きを行うので、１回お風呂を
沸かすごとに循環ポンプや追い焚き用熱交換器を駆動す
るため、ＯＮ、ＯＦＦの繰り返しに伴い耐用年数に影響
が出る。又、この駆動に際して、循環ポンプの駆動騒音
が邪魔になる場合がある。However, the above conventional fully automatic bath water heater has the following disadvantages. 1. There are user needs such as "I want to take a bath early" and "I can't wait to take a bath." 2. After the hot water of the set temperature is supplied, the circulation pump is driven to check the temperature and reheating, so that each time the bath is boiled, the circulation pump and the heat exchanger for reheating are turned on and off. The service life is affected by the repetition. In addition, the driving noise of the circulation pump may hinder the driving.
【０００５】本発明の目的は、お風呂の沸き上がり時間
を早め、併せて全自動風呂給湯機の耐久性の向上を図る
ことである。[0005] It is an object of the present invention to shorten the boiling time of a bath and to improve the durability of a fully automatic bath water heater.
【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、請求項１に記載の発明においては、全自動風呂給湯
機において、浴槽に張るお湯の量及びこのお湯の温度の
自動設定機能を有する全自動風呂給湯機において、お湯
張り時に前記全自動風呂給湯機から浴槽側に出湯するお
湯の温度を、入浴者が設定したお湯の温度に自然放熱に
より低下する温度分を見込んで高目に設定し、お湯張り
終了時の湯温が丁度設定温度になるように構成したこと
を特徴とするものである。In order to achieve the above object, according to the first aspect of the present invention, a fully automatic bath water heater has an automatic setting function of the amount of hot water to be applied to a bathtub and the temperature of the hot water. In a fully automatic bath water heater, the temperature of the hot water flowing out of the fully automatic bath water heater to the bathtub side at the time of hot water filling is set higher in consideration of the temperature that is lowered by natural heat radiation to the temperature of the hot water set by the bather. The hot water temperature at the end of the hot water filling is configured to be exactly the set temperature.
【０００７】更に、請求項２に記載の発明においては、
請求項１に記載の発明において、過去に湯張りを行った
ときの湯張り直後のお湯の温度とその時の設定温度との
差ΔＴを記録していて、毎回のお湯張りに際しては、毎
回設定された温度と前記ΔＴから演算して得た値となる
ように出湯温度を制御することを特徴とするものであ
る。Further, in the invention according to claim 2,
In the invention according to claim 1, the difference ΔT between the temperature of the hot water immediately after the hot water filling when the hot water was previously applied and the set temperature at that time is recorded, and is set every time the hot water is filled. The tapping temperature is controlled so as to be a value obtained by calculating from the temperature and the above-mentioned ΔT.
【０００８】更に、請求項３に記載の発明においては、
請求項１又は２に記載の発明において、設定湯量の変更
があった場合には、過去の設定湯量と変更された設定湯
量との差ΔＬを求め、このΔＬを補正演算式に入れて演
算を行い、出湯温度を制御することを特徴とするもので
ある。Further, in the invention according to claim 3,
In the invention according to claim 1 or 2, when there is a change in the set hot water amount, a difference ΔL between the past set hot water amount and the changed set hot water amount is obtained, and this ΔL is put into a correction operation formula to perform the calculation. And controlling the tapping temperature.
【０００９】更に、請求項４に記載の発明においては、
請求項１〜３に記載の発明において、直近を含む過去の
ΔＴを記録していて、このΔＴがプラス方向又はマイナ
ス方向に変化している場合には、この変化率から今回の
補正値を演算することを特徴とするものである。Further, in the invention according to claim 4,
In the invention according to any one of claims 1 to 3, the past ΔT including the latest one is recorded, and when the ΔT changes in the plus direction or the minus direction, the current correction value is calculated from the change rate. It is characterized by doing.
【００１０】更に、請求項５に記載の発明においては、
請求項１〜４に記載の発明において、浴槽内に残り湯が
あった場合、この残り湯の量と温度を検知し、この残り
湯の量と温度及び風呂の設定温度並びに設定水位から差
し湯する出湯温度及び湯量を演算することを特徴とする
ものである。Further, in the invention according to claim 5,
In the invention according to any one of claims 1 to 4, when there is remaining hot water in the bathtub, the amount and temperature of the remaining hot water are detected, and the amount and temperature of the remaining hot water, the set temperature of the bath, and the set water level are set based on the water level. The hot water temperature and the amount of hot water to be discharged are calculated.
【００１１】[0011]
【作用】入浴者は（試運転者）は、浴室等に取り付けら
れたリモコン等を用いて、お風呂の水位と温度を入力
し、運転開始ボタンを押すと、全自動風呂給湯機は、入
力された温度になるように上水を加熱して設定水位（水
量）になるまでお湯を張る。このお湯張りが終了する
と、循環ポンプが駆動して循環経路内にお湯を循環させ
てお湯の温度をチェックし、設定温度に対して何℃温度
が低下しているかを検出する。この温度低下は、自然放
熱条件により個々に違うので、一律ではない。低下温度
ΔＴが検出されると、追い焚きによりお湯の温度をΔＴ
分上昇させる。これは、１回目の試運転又はΔＴの見直
し運転時であって、その後においてお風呂を沸かすとき
には追い焚きは行わない。[Function] The bather (test driver) inputs the water level and temperature of the bath using a remote controller or the like attached to the bathroom and presses the operation start button, and the fully automatic bath water heater is input. Heat the tap water so that the temperature becomes the right temperature, and add hot water until the set water level (water volume) is reached. When the hot water filling is completed, the circulation pump is driven to circulate the hot water in the circulation path to check the temperature of the hot water and detect how much the temperature is lower than the set temperature. This temperature drop is not uniform since it differs depending on the natural heat radiation condition. When the temperature drop ΔT is detected, the temperature of the hot water is reduced by ΔT
Raise by a minute. This is at the time of the first test operation or ΔT review operation, and when the bath is boiled thereafter, reheating is not performed.
【００１２】ΔＴは制御回路に記録されていて、２回目
からのお風呂沸かしに際しては、このΔＴ＝０となるよ
うに給湯すべきお湯の温度を演算し、この値に基づいて
給湯用熱交換器を駆動する。この結果、給湯されるお湯
の温度は、設定温度よりも多少高目となるが、自然放熱
によりこの高目の分は消失し、お湯張り終了時の浴槽内
のお湯の温度は丁度設定温度になる。この結果、早く
（直ぐに）風呂に入ることができるばかりでなく、追い
焚き等を行わないことにより、全自動風呂給湯機の耐久
性が増し、更に追い焚き時の騒音の発生もなくなる。ΔT is recorded in the control circuit, and when the bath is heated for the second time, the temperature of the hot water to be supplied is calculated so that ΔT = 0, and based on this value, the heat exchange for hot water supply is performed. Drive the container. As a result, the temperature of the hot water supplied becomes slightly higher than the set temperature, but the higher temperature disappears due to natural heat radiation, and the temperature of the hot water in the bathtub at the end of the hot water filling has just reached the set temperature. Become. As a result, not only can the bath be taken quickly (immediately), but also because the reheating is not performed, the durability of the fully automatic bath water heater is increased, and the noise during the reheating is also eliminated.
【００１３】[0013]
【実施例】図１に基づいて本発明の実施例を詳述する。
この図１において、１は２缶２水式の全自動風呂給湯
機、２は浴槽である。３は上水ライン１ａから給水され
る上水を加熱するための給湯ユニットであって、３ａは
給湯用熱交換器、３ｂはガスバーナである。４は追い焚
きユニットであって、４ａは追い焚き用熱交換器、４ｂ
はガスバーナである。５は前記給湯ユニット３の給湯ラ
インであって、この給湯ライン５は給湯栓６に至る出湯
ライン７と、ライン８を経由して前記追い焚きユニット
４の入側に至るラインに分岐されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to FIG.
In FIG. 1, reference numeral 1 denotes a two-can, two-water fully automatic bath water heater, and reference numeral 2 denotes a bathtub. Reference numeral 3 denotes a hot water supply unit for heating tap water supplied from the tap water line 1a, 3a denotes a hot water supply heat exchanger, and 3b denotes a gas burner. 4 is a reheating unit, 4a is a heat exchanger for reheating, 4b
Is a gas burner. Reference numeral 5 denotes a hot water supply line of the hot water supply unit 3. The hot water supply line 5 is branched into a hot water supply line 7 leading to a hot water tap 6 and a line leading to the inlet side of the reheating unit 4 via a line 8. .
【００１４】９は浴槽２と前記追い焚きユニット４間に
結ばれた追い焚き循環経路であって、この戻り側９ａは
前記ライン８に結ばれ、往き側９ｂは前記追い焚きユニ
ット４の出湯側に結ばれている。１０は追い焚きユニッ
ト４の入側（ライン８と戻り側９ａが合流した下流側）
に取り付けられた水流スイッチ、１１は注湯電磁弁、１
２は注湯水量センサ、１３は追い焚き用循環ポンプ、１
４は風呂サーミスタ、１５は上水ライン１ａと出湯ライ
ン７を結ぶバイパス、１６はバイパス水量調整弁、１７
は水量調整弁、１８は電装基板、１９は浴室に取り付け
られたリモコンであって、電装基板１８により、本実施
例の全自動風呂給湯機１は自動運転が制御される。Numeral 9 designates a reheating circulating path connected between the bathtub 2 and the reheating unit 4, the return side 9a being connected to the line 8, and an outgoing side 9b being a tapping side of the reheating unit 4. Is tied to 10 is the entrance side of the reheating unit 4 (the downstream side where the line 8 and the return side 9a merge).
A water flow switch attached to the pump, 11 is a pouring solenoid valve, 1
2 is a pouring water amount sensor, 13 is a circulating pump for reheating, 1
4 is a bath thermistor, 15 is a bypass connecting the water supply line 1a and the tap water line 7, 16 is a bypass water amount adjusting valve, 17
Is a water amount adjusting valve, 18 is an electric board, and 19 is a remote controller attached to the bathroom. The electric board 18 controls the automatic operation of the fully automatic bath water heater 1 of this embodiment.
【００１５】上記実施例においては、リモコン１９を用
いて、お風呂の水位と温度を入力し、運転開始ボタンを
押すと、全自動風呂給湯機１は、入力された温度になる
ように給湯用熱交換器３ａで上水を加熱して設定水位
（水量）になるまで浴槽２にお湯を張る。このお湯張り
が終了すると、追い焚き用循環ポンプ１３が駆動して追
い焚き用循環経路９内にお湯を循環させてお湯の温度を
風呂サーミスタ１４によりチェックし、設定温度に対し
て何℃温度が低下しているかを検出する。この温度低下
は、自然放熱条件により個々に違うので、一律ではな
い。低下温度ΔＴが検出されると、追い焚きによりお湯
の温度をΔＴ分上昇させる。これは、１回目の試運転又
は見直し運転時であって、その後においてお風呂を沸か
すときには追い焚きは行わない。In the above embodiment, when the user inputs the water level and the temperature of the bath using the remote controller 19 and presses the operation start button, the fully automatic bath water heater 1 causes the hot water supply system to reach the input temperature. Water is heated by the heat exchanger 3a and hot water is applied to the bathtub 2 until the water reaches a set water level (amount of water). When the hot water filling is completed, the recirculating pump 13 is driven to circulate the hot water in the recirculating circulation path 9 and the temperature of the hot water is checked by the bath thermistor 14. Detect if it is dropping. This temperature drop is not uniform since it differs depending on the natural heat radiation condition. When the temperature drop ΔT is detected, the temperature of the hot water is raised by ΔT by reheating. This is the first trial operation or the reconsideration operation, and when the bath is boiled thereafter, reheating is not performed.
【００１６】電装基板１８内の回路は、前記検出したΔ
Ｔを記録していて、２回目からは、このΔＴ＝０となる
ように給湯すべきお湯の温度を演算し、この値に基づい
て給湯用熱交換器３ａを駆動する。この結果、給湯用熱
交換器３ａから出湯されるお湯の温度は、設定温度より
も多少高目となるが、自然放熱によりこの高目の分は消
失し、浴槽２に張られたお湯の温度は丁度良い設定温度
になる。The circuit in the electrical component board 18 is provided with the detected Δ
T is recorded, and from the second time, the temperature of hot water to be supplied is calculated so that ΔT = 0, and the hot water supply heat exchanger 3a is driven based on this value. As a result, the temperature of the hot water discharged from the hot water supply heat exchanger 3a is slightly higher than the set temperature, but the higher portion disappears due to natural heat radiation, and the temperature of the hot water set in the bathtub 2 Is just a good set temperature.
【００１７】なお、ΔＴのデータは直近のものを毎回検
出してもよいし、水位の変更がなければ、同じデータを
使用するようにしてもよい。又、前記のΔＴだけではな
く、直近を含めて２〜７回のデータを演算し、このプラ
ス又はマイナス傾向から季節的な要因や天候の影響によ
る自然放熱量の変化を演算し、給湯温度を制御するよう
にしてもよい。このようにすると、季節等に関係なく、
より設定温度に近い温度のお風呂に入ることができる。Note that the latest data of ΔT may be detected each time, or the same data may be used if the water level does not change. In addition to the above-mentioned ΔT, data of 2 to 7 times including the latest is calculated, and from this plus or minus tendency, the change of the natural heat radiation amount due to seasonal factors or the influence of the weather is calculated, and the hot water supply temperature is calculated. You may make it control. In this way, regardless of the season,
You can take a bath at a temperature closer to the set temperature.
【００１８】お風呂の水位の変更、例えば増水又は減水
があった場合には、この増水又は減水量を演算する場合
に考慮する。次に、お風呂に残り湯がある場合には、こ
の残り湯量と温度及び風呂の設定温度並びに設定水位か
ら給湯（差し湯）する温度と湯量を演算し、制御する。When the bath water level is changed, for example, when the water level is increased or decreased, it is considered when calculating the increased or decreased amount. Next, when there is remaining hot water in the bath, the remaining hot water amount and temperature, the set temperature of the bath, and the hot water supply (filled water) temperature and hot water amount are calculated and controlled based on the set water level.
【００１９】上記実施例の具体例として、例えば設定温
度Ｘのとき、水量設定Ｙが前回の水量設定Ｙ0と変らな
い場合は、（Ｘ＋α）℃でお湯張りを行う。又、水量設
定Ｙが前回の水量設定Ｙ0と違う場合は、Ｘ＋α×（Ｙ
／Ｙ0）℃でお湯張りを行う。[0019] Specific examples of the above embodiment, for example, when the set temperature X, if the amount of water set Y is unchanged from the previous water set Y 0, performing hot water tension at (X + α) ℃. If the water amount setting Y is different from the previous water amount setting Y 0 , X + α × (Y
/ Y 0 ) Fill with hot water at ° C.
【００２０】[0020]
【発明の効果】本発明は以上のように、お湯張りを行う
際、給湯温度を設定温度よりも高目に制御することによ
り、お湯張り終了時のお湯の温度は設定温度となり、即
入浴が可能になる。この結果、早く入りたい、待ち時間
が長いと云ったユーザーのニーズを少しでも満足させる
ことができると共に、設定水温に上昇させるためにその
都度追い焚きを行わないので、全自動風呂給湯機の耐久
性を向上させることもできる。As described above, according to the present invention, when performing hot water filling, by controlling the hot water supply temperature to be higher than the set temperature, the temperature of the hot water at the end of hot water filling becomes the set temperature, so that bathing can be performed immediately. Will be possible. As a result, it is possible to satisfy the needs of users who want to enter quickly and have a long waiting time, and not to reheat the water every time in order to raise the set water temperature. It can also improve the performance.
【図１】本発明の実施例の説明図。FIG. 1 is an explanatory diagram of an embodiment of the present invention.
【図２】従来の全自動風呂給湯機のシーケンスの説明
図。FIG. 2 is an explanatory diagram of a sequence of a conventional fully automatic bath water heater.
１ 全自動風呂給湯機 １ａ 上水ライン ２ 浴槽 ３ 給湯ユニット ３ａ 給湯用熱交換器 ３ｂ ガスバーナ ４ 追い焚きユニット ４ａ 追い焚き用熱交換器 ４ｂ ガスバーナ ５ 給湯ライン ６ 給湯栓 ７ 出湯ライン ８ ライン ９ 追い焚き循環経路 ９ａ 戻り側 ９ｂ 往き側 １０ 水流スイッチ １１ 注湯電磁弁 １２ 注湯水量センサ １３ 追い焚き用循環ポンプ １４ 風呂サーミスタ １５ バイパス １６ バイパス水量調整弁 １７ 水量調整弁 １８ 電装基板 １９ リモコン DESCRIPTION OF SYMBOLS 1 Fully automatic bath water heater 1a Water supply line 2 Bathtub 3 Hot water supply unit 3a Heat exchanger for hot water supply 3b Gas burner 4 Reheating unit 4a Heat exchanger for reheating 4b Gas burner 5 Hot water supply line 6 Hot water tap 7 Hot water supply line 8 Line 9 Hot water heating Circulation path 9a Return side 9b Outgoing side 10 Water flow switch 11 Pouring solenoid valve 12 Pouring water amount sensor 13 Circulating pump for reheating 14 Bath thermistor 15 Bypass 16 Bypass water amount adjusting valve 17 Water amount adjusting valve 18 Electrical board 19 Remote control
Claims (5)
の自動設定機能を有する全自動風呂給湯機において、お
湯張り時に前記全自動風呂給湯機から浴槽側に出湯する
お湯の温度を、入浴者が設定したお湯の温度に自然放熱
により低下する温度分を見込んで高目に設定し、お湯張
り終了時の湯温が丁度設定温度になるように構成して成
ることを特徴とする全自動風呂給湯機。1. A fully automatic bath water heater having an automatic setting function of the amount of hot water to be applied to a bathtub and the temperature of the hot water, the temperature of the hot water to be discharged from the fully automatic bath water heater to the bathtub side at the time of hot water filling. Fully automatic in which the temperature of the hot water set by the user is set higher in anticipation of the temperature drop due to natural heat radiation, so that the hot water temperature at the end of hot water filling is exactly the set temperature. Bath water heater.
のお湯の温度とその時の設定温度との差ΔＴを記録して
いて、毎回のお湯張りに際しては、毎回設定された温度
と前記ΔＴから演算して得た値となるように出湯温度を
制御することを特徴とする請求項１に記載の全自動風呂
給湯機。2. A difference ΔT between a temperature of hot water immediately after hot water filling and a set temperature at that time when hot water filling was performed in the past is recorded. 2. The fully automatic bath water heater according to claim 1, wherein the hot water temperature is controlled so as to be a value calculated from ΔT.
去の設定湯量と変更された設定湯量との差ΔＬを求め、
このΔＬを補正演算式に入れて演算を行い、出湯温度を
制御することを特徴とする請求項１又は２に記載の全自
動風呂給湯機。3. When there is a change in the set hot water quantity, a difference ΔL between the past set hot water quantity and the changed set hot water quantity is obtained,
The fully automatic bath water heater according to claim 1 or 2, wherein the ΔL is put into a correction operation expression to perform an operation to control the tapping temperature.
このΔＴがプラス方向又はマイナス方向に変化している
場合には、この変化率から今回の補正値を演算すること
を特徴とする請求項１〜３に記載の全自動風呂給湯機。4. The past ΔT including the latest is recorded.
4. The fully automatic bath water heater according to claim 1, wherein when the ΔT changes in a plus direction or a minus direction, a current correction value is calculated from the change rate. 5.
湯の量と温度を検知し、この残り湯の量と温度及び風呂
の設定温度並びに設定水位から差し湯する出湯温度及び
湯量を演算することを特徴とする請求項１〜４に記載の
全自動風呂給湯機。5. When there is remaining hot water in the bathtub, the amount and temperature of the remaining hot water are detected, and the amount and temperature of the remaining hot water, the set temperature of the bath, and the tapping temperature and amount of hot water to be supplied from the set water level are determined. The fully automatic bath water heater according to any one of claims 1 to 4, wherein the operation is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11080895A JP2000274810A (en) | 1999-03-25 | 1999-03-25 | Full automatic bath hot water supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11080895A JP2000274810A (en) | 1999-03-25 | 1999-03-25 | Full automatic bath hot water supply apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000274810A true JP2000274810A (en) | 2000-10-06 |
Family
ID=13731110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11080895A Pending JP2000274810A (en) | 1999-03-25 | 1999-03-25 | Full automatic bath hot water supply apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000274810A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010019501A (en) * | 2008-07-11 | 2010-01-28 | Panasonic Corp | Water heater |
| JP2015178918A (en) * | 2014-03-19 | 2015-10-08 | 三菱電機株式会社 | water heater |
| JP2019007707A (en) * | 2017-06-27 | 2019-01-17 | 三菱電機株式会社 | Water heater |
-
1999
- 1999-03-25 JP JP11080895A patent/JP2000274810A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010019501A (en) * | 2008-07-11 | 2010-01-28 | Panasonic Corp | Water heater |
| JP4683081B2 (en) * | 2008-07-11 | 2011-05-11 | パナソニック株式会社 | Water heater |
| JP2015178918A (en) * | 2014-03-19 | 2015-10-08 | 三菱電機株式会社 | water heater |
| JP2019007707A (en) * | 2017-06-27 | 2019-01-17 | 三菱電機株式会社 | Water heater |
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