JPH09310914A - Heat pump hot-water supplier - Google Patents
Heat pump hot-water supplierInfo
- Publication number
- JPH09310914A JPH09310914A JP12588496A JP12588496A JPH09310914A JP H09310914 A JPH09310914 A JP H09310914A JP 12588496 A JP12588496 A JP 12588496A JP 12588496 A JP12588496 A JP 12588496A JP H09310914 A JPH09310914 A JP H09310914A
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- water storage
- storage tank
- water supply
- heat exchanger
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 162
- 238000005192 partition Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000638 solvent extraction Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、熱交換器に貯湯
タンク内の水を循環させて加熱するヒートポンプ給湯装
置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat pump water heater for circulating and heating water in a hot water storage tank in a heat exchanger.
【０００２】[0002]
【従来の技術】従来のこの種の給湯装置として特開昭５
７−１２２２３５号公報に記載されたものがあり、図４
にその構成図を示す。この従来技術によれば、１つの貯
湯タンク３０の上部に熱交換器３１，圧縮機３２，送風
機３３，蒸発器３４等で構成されるヒートポンプユニッ
ト３５が載置固定されている。2. Description of the Related Art As a conventional hot water supply apparatus of this type, Japanese Patent Laid-Open No.
No. 7-122235 is disclosed in FIG.
The configuration diagram is shown in. According to this conventional technique, a heat pump unit 35 including a heat exchanger 31, a compressor 32, a blower 33, an evaporator 34, etc. is mounted and fixed on the upper part of one hot water storage tank 30.
【０００３】このように構成することで、ヒートポンプ
運転が停止している場合でも、熱交換器３１は貯湯タン
ク３０よりも上部にあるため、熱交換器３１は貯湯タン
ク３０の上部の熱を受けやすく、熱交換器３１内の水が
外気により冷却されても、自然対流により常に湯が供給
されるため、凍結の心配がないという効果が得られるも
のである。With this configuration, the heat exchanger 31 receives the heat from the upper portion of the hot water storage tank 30 because the heat exchanger 31 is above the hot water storage tank 30 even when the heat pump operation is stopped. Even if the water in the heat exchanger 31 is cooled by the outside air, the hot water is always supplied by natural convection, so that there is no fear of freezing.
【０００４】[0004]
【発明が解決しようとする課題】このように、従来のヒ
ートポンプ給湯装置は、１つの貯湯タンク３０で構成し
ているため、ある程度の貯湯量（例えば、３７０リット
ル）を確保するためには、貯湯タンク３０の直径を広げ
るか、高さ方向に伸ばすかのどちらかを選択する必要が
ある。高さ的には、住宅モジュール上の制限や、コンテ
ナ形のトラックでの輸送上の制限などにより、限界があ
る。そのため、貯湯タンク３０の直径を広げる必要が出
てくる。ここで、貯湯タンク３０の直径を広げると、本
体の薄形化できなくなるとともに、直径を広げた分だけ
設置上の面積が必要となり、設置スペースが大きくなっ
てしまうという課題があった。As described above, since the conventional heat pump water heater comprises one hot water storage tank 30, in order to secure a certain amount of hot water storage (for example, 370 liters), the hot water storage It is necessary to select either to increase the diameter of the tank 30 or to extend it in the height direction. In terms of height, there is a limit due to restrictions on the housing module and transportation on container trucks. Therefore, it becomes necessary to increase the diameter of the hot water storage tank 30. Here, if the diameter of the hot water storage tank 30 is increased, the main body cannot be thinned, and the area for installation is required for the increased diameter, resulting in a large installation space.
【０００５】また、圧縮機３２，熱交換器３１，送風機
３３，蒸発器３４等の重い部品が貯湯タンク３０上部に
載置されるため、強固な筐体構造が必要となり、コスト
が高くなっていまうという課題があった。Further, since heavy parts such as the compressor 32, the heat exchanger 31, the blower 33, and the evaporator 34 are placed on the upper portion of the hot water storage tank 30, a strong casing structure is required, and the cost is increased. There was a problem of waiting.
【０００６】この発明は上記のような課題を解消するた
めになされたもので、薄形で設置スペースが小さく、保
温性に優れ、コストの安いヒートポンプ給湯装置を提供
することを目的とする。The present invention has been made to solve the above problems, and an object of the present invention is to provide a heat pump hot water supply apparatus which is thin, has a small installation space, is excellent in heat retention, and is inexpensive.
【０００７】[0007]
【課題を解決するための手段】この発明に係るヒートポ
ンプ給湯装置は、直径を小さく形成した複数の貯湯タン
クを横方向に並べて直列接続し、薄型で設置スペースを
小さくするとともに、貯湯タンクの上部に収納空間を形
成する仕切板を設け、この仕切板上に循環ポンプと熱交
換器を載置固定したものである。A heat pump hot water supply apparatus according to the present invention has a plurality of hot water storage tanks each having a small diameter, which are horizontally arranged side by side and connected in series to reduce the installation space and to be installed on the upper portion of the hot water storage tank. A partition plate that forms a storage space is provided, and a circulation pump and a heat exchanger are placed and fixed on the partition plate.
【０００８】また、この発明に係るヒートポンプ給湯装
置は、上記構成のヒートポンプ給湯装置において、一列
に並べた複数の貯湯タンクのうち、給湯側貯湯タンクの
上部に位置して仕切板上に熱交換器を載置固定したもの
である。The heat pump hot water supply apparatus according to the present invention is the heat pump hot water supply apparatus having the above-described configuration, and is located above the hot water supply side hot water storage tank among the plurality of hot water storage tanks arranged in a row, and the heat exchanger is provided on the partition plate. Is mounted and fixed.
【０００９】また、この発明に係るヒートポンプ給湯装
置は、上記構成からなるヒートポンプ給湯装置におい
て、一列に並べた複数の貯湯タンクのうち、給水側貯湯
タンクの上部に位置して仕切板上に循環ポンプを載置固
定したものである。Further, the heat pump water heater according to the present invention is the heat pump water heater having the above-mentioned structure, and among the plurality of hot water storage tanks arranged in a row, the heat pump hot water supply apparatus is located above the hot water supply side hot water storage tank and the circulation pump is placed on the partition plate. Is mounted and fixed.
【００１０】さらに、この発明に係るヒートポンプ給湯
装置は、上記構成からなるヒートポンプ給湯装置におい
て、前記仕切板は、複数の貯湯タンクを所定の間隔を保
持して固定するものである。Further, in the heat pump water heater according to the present invention, in the heat pump water heater having the above structure, the partition plate fixes a plurality of hot water storage tanks at predetermined intervals.
【００１１】[0011]
実施の形態１．以下、この発明の実施の形態について説
明する。図３は空調機能を含むヒートポンプ給湯装置の
システム構成図で、１は圧縮機（図示せず）等を内設す
る室外機、２は室外機１と冷媒配管３Ａ，３Ｂにより連
結された空調用熱交換器４を有する空調用の室内機、５
は室外機１と冷媒配管６Ａ，６Ｂにより連結された水加
熱用熱交換器７を有する本発明のヒートポンプ給湯装置
である。Embodiment 1. Hereinafter, embodiments of the present invention will be described. FIG. 3 is a system configuration diagram of a heat pump hot water supply device including an air conditioning function. 1 is an outdoor unit in which a compressor (not shown) or the like is installed, and 2 is an air conditioner connected to the outdoor unit 1 by refrigerant pipes 3A and 3B. Indoor unit for air conditioning having heat exchanger 4, 5
Is a heat pump water heater of the present invention having a water heating heat exchanger 7 connected to the outdoor unit 1 by refrigerant pipes 6A and 6B.
【００１２】図１は、前記ヒートポンプ給湯装置５の断
面図で、図２は図１のＡ−Ａ線断面図である。図１，図
２において、８，９は直径を小さく形成して横方向に２
個並べて設置した貯湯タンクで、その給水側貯湯タンク
８と給湯側貯湯タンク９は直列に接続されている。１０
は給水側貯湯タンク８の上部と給湯側貯湯タンク９の下
部を連結する連結管、１１は給水側貯湯タンク８に減圧
弁（図示せず）を介して外部より新しい水を供給する給
水管、１２は給湯側貯湯タンク９より湯を取り出す給湯
管、１３は給水側貯湯タンク８と給湯側貯湯タンク９の
上部に収納空間Ｓを形成する仕切板で、給水側貯湯タン
ク８と給湯側タンク９を所定の間隔に保持し、地震等の
際に振れ止めをするとともに、上面に前記熱交換器７と
循環ポンプ１４を載置固定している。ここで、循環ポン
プ１４は給水側貯湯タンク８の上部に位置して仕切板１
３上に固定され、送水管１５により給水側貯湯タンク８
下部と連結されている。一方、熱交換器７は給湯側貯湯
タンク９の上部に位置して仕切板１３上に固定されてい
る。１６は給湯側貯湯タンク９上部に設けた送湯管１７
と熱交換器７を連結する連結具、１８は給水側貯湯タン
ク８、給湯側貯湯タンク９、熱交換器７等を保温するた
め、これらの外周を包囲している断熱材、１９はこの断
熱材１８の外側に設けた外ケース、２０はこのヒートポ
ンプ給湯装置５を据付固定する脚である。FIG. 1 is a sectional view of the heat pump water heater 5, and FIG. 2 is a sectional view taken along the line AA of FIG. In FIG. 1 and FIG. 2, 8 and 9 are formed to have a small diameter,
The hot water storage tanks 8 and 9 are connected in series. 10
Reference numeral 11 is a connecting pipe that connects the upper portion of the hot water supply side hot water storage tank 8 and the lower portion of the hot water supply side hot water storage tank 9, 11 is a water supply tube that supplies fresh water from the outside to the hot water supply hot water storage tank 8 via a pressure reducing valve (not shown), Reference numeral 12 is a hot water supply pipe for taking out hot water from the hot water supply side hot water storage tank 9, and 13 is a partition plate that forms a storage space S on the water supply side hot water storage tank 8 and the hot water supply side hot water storage tank 9, and the water supply side hot water storage tank 8 and the hot water supply tank 9 Is held at a predetermined interval to prevent steadying in the event of an earthquake or the like, and the heat exchanger 7 and the circulation pump 14 are mounted and fixed on the upper surface. Here, the circulation pump 14 is located above the hot water storage tank 8 on the water supply side, and the partition plate 1
3 is fixed on the water supply pipe 15, and the water supply side hot water storage tank 8 is provided by the water supply pipe 15.
It is connected to the lower part. On the other hand, the heat exchanger 7 is located above the hot water storage tank 9 and fixed on the partition plate 13. Reference numeral 16 denotes a hot water supply pipe 17 provided above the hot water storage tank 9
A connecting tool for connecting the heat exchanger 7 and the heat exchanger 7, 18 is a heat insulating material surrounding the outer circumference of the water supply side hot water storage tank 8, the hot water supply side hot water storage tank 9, the heat exchanger 7, etc., and 19 is this heat insulation An outer case provided on the outer side of the material 18, and 20 are legs for installing and fixing the heat pump water heater 5.
【００１３】以上のように構成されたヒートポンプ給湯
装置の動作を説明する。室外機１内に設置した圧縮機
（図示せず）により高温高圧になった冷媒ガスは、冷媒
配管６Ａ，熱交換器７，冷媒配管６Ｂを経て室外機１へ
戻る経路を循環する。このとき循環ポンプ１４が始動
し、給水側貯湯タンク８下部の水が送水管１５，循環ポ
ンプ１４を通って熱交換器７へ送水される。送水された
水は熱交換器７を通過する際、前述の高温の冷媒ガスと
熱交換されて湯となり、給湯側貯湯タンク９の上部へ導
かれる。これに伴い給湯側貯湯タンク９下部の水が連結
管１０，給水側貯湯タンク８，送水管１５，循環ポンプ
１４を通って熱交換器７へと送水され、前述のごとく熱
交換器７内で熱交換されて給湯側貯湯タンク９上部へ導
かれる。The operation of the heat pump water heater constructed as above will be described. The refrigerant gas, which has become high temperature and high pressure by a compressor (not shown) installed in the outdoor unit 1, circulates in a route returning to the outdoor unit 1 through the refrigerant pipe 6A, the heat exchanger 7, and the refrigerant pipe 6B. At this time, the circulation pump 14 is started, and the water in the lower part of the hot water storage tank 8 is sent to the heat exchanger 7 through the water pipe 15 and the circulation pump 14. When the fed water passes through the heat exchanger 7, it is heat-exchanged with the above-mentioned high-temperature refrigerant gas to become hot water, and is guided to the upper part of the hot water supply side hot water storage tank 9. Along with this, the water in the lower part of the hot water supply side hot water storage tank 9 is sent to the heat exchanger 7 through the connecting pipe 10, the hot water supply side hot water storage tank 8, the water supply pipe 15, and the circulation pump 14, and in the heat exchanger 7 as described above. Heat is exchanged and is guided to the upper part of the hot water storage tank 9.
【００１４】このような動作を繰り返しながら給湯側貯
湯タンク９と給水側貯湯タンク８に湯が貯えられる。貯
えられた湯は、蛇口（図示せず）を開くことにより、給
水管１１より新しい水が給水側貯湯タンク８内へ供給さ
れ、連結管１０，給湯側貯湯タンク９，給湯管１２を通
り外部に供給されて風呂等に使用される。Hot water is stored in the hot water supply side hot water storage tank 9 and the water supply side hot water storage tank 8 while repeating such operations. The stored hot water is supplied with fresh water from the water supply pipe 11 into the water supply side hot water storage tank 8 by opening the faucet (not shown), and passes through the connecting pipe 10, the hot water supply side hot water storage tank 9, and the hot water supply pipe 12 to the outside. It is supplied to and used for baths.
【００１５】上記構成によれば、直径を小さく形成した
給水側貯湯タンク８と給湯側貯湯タンク９を横方向に並
べて設置し、その上部に収納空間Ｓを形成する仕切板１
３を設け、この仕切板上に熱交換器７と循環ポンプ１４
を載置固定したので、薄形で設置スペースが小さくなる
とともに、圧縮機，送風機等の重い部品を貯湯タンクの
上部に載置しないので、筐体構造を強固に形成する必要
がなく、構造も簡単にすることができる。また、仕切板
１３上には常時湯が貯えられている給湯側貯湯タンク９
の上部に位置して熱交換器７を載置固定したので、熱交
換器７は給湯側貯湯タンク９の熱により常時保温され、
凍結の心配もなく熱交換率が向上する。According to the above structure, the hot water supply side hot water storage tank 8 and the hot water supply side hot water storage tank 9 each having a small diameter are arranged side by side in the lateral direction, and the partition plate 1 forming the storage space S on the upper side thereof.
3, the heat exchanger 7 and the circulation pump 14 are provided on the partition plate.
Since it is placed and fixed, it is thin and requires less space for installation, and since heavy parts such as compressors and blowers are not placed on top of the hot water storage tank, there is no need to form a strong casing structure and Can be easy. Further, the hot water storage tank 9 in which hot water is always stored on the partition plate 13
Since the heat exchanger 7 is placed and fixed at the upper part of the, the heat exchanger 7 is always kept warm by the heat of the hot water storage tank 9.
The heat exchange rate improves without worrying about freezing.
【００１６】また、前記仕切板１３上において、常に新
しい水が供給され、冷やされる給水側貯湯タンク８の上
部に位置して循環ポンプ１４を載置固定したので、給水
側貯湯タンク８の熱の影響を受けにくくなり、循環ポン
プ１４の温度上昇は低くおさえられ、循環ポンプ１４の
長寿命化が図れる。さらに、前記仕切板１３は、給水側
貯湯タンク８と給湯側貯湯タンク９を所定の間隔を保持
するようにその上部に固定したので、両タンクは強固に
保持され、地震等の際にも揺れ動くことがない。Further, since the circulation pump 14 is mounted and fixed on the partition plate 13 above the water supply side hot water storage tank 8 where new water is constantly supplied and cooled, the heat of the water supply side hot water storage tank 8 is fixed. It is less likely to be affected, the temperature rise of the circulation pump 14 is suppressed low, and the life of the circulation pump 14 can be extended. Further, since the partition plate 13 is fixed to the upper portion of the hot water supply side hot water storage tank 8 and the hot water supply side hot water storage tank 9 so as to maintain a predetermined space therebetween, both tanks are firmly held and sway in the event of an earthquake or the like. Never.
【００１７】[0017]
【発明の効果】以上のように、この発明に係るヒートポ
ンプ給湯装置によれば、貯湯タンクを複数の貯湯タンク
で構成し、これを横方向に並べて設置し、その上部に収
納空間を形成する仕切板を設け、この仕切板上に熱交換
器と循環ポンプを載置固定したので、本体を薄型化で
き、かつ設置スペースの小さいヒートポンプ給湯装置を
提供できる。As described above, according to the heat pump hot water supply apparatus of the present invention, the hot water storage tank is composed of a plurality of hot water storage tanks, which are arranged side by side in the lateral direction, and the storage space is formed above the partition. Since the plate is provided and the heat exchanger and the circulation pump are mounted and fixed on the partition plate, it is possible to provide a heat pump water heater with a thin body and a small installation space.
【００１８】また、上記熱交換器は、湯を使用する過程
においても常時湯が貯えられている給湯側貯湯タンクの
上部に位置して固定したので、給湯側貯湯タンクの熱に
より保温され、凍結などの心配もなく、熱交換効率の高
い給湯装置を提供できる。Further, since the heat exchanger is fixed at the upper part of the hot water supply side hot water storage tank where hot water is always stored even in the process of using hot water, the heat exchanger is kept warm by the heat of the hot water supply side hot water storage tank and frozen. It is possible to provide a hot water supply device with high heat exchange efficiency without worrying about such problems.
【００１９】また、上記循環ポンプは、湯を使用する過
程で常に新しい水が供給され冷やされる給水側貯湯タン
クの上部に位置して固定したので、貯湯タンクの熱によ
る影響を受けにくく、循環ポンプの温度を低くおさえら
れ、ポンプの長寿命化を図ることが提供できる。Further, since the circulation pump is fixed at the upper portion of the water supply side hot water storage tank where new water is constantly supplied and cooled in the process of using hot water, the circulation pump is not easily affected by the heat of the hot water storage tank and the circulation pump The temperature of the pump can be kept low, and the service life of the pump can be extended.
【００２０】さらに、上記仕切板は、複数の貯湯タンク
の上部を所定の間隔を保持するように固定したので、地
震等の際にも各貯湯タンクが個々に揺れ動くこともな
く、強固に保持される。Further, since the partition plate is fixed so that the upper portions of a plurality of hot water storage tanks are kept at a predetermined interval, the hot water storage tanks are not rocked individually even in the event of an earthquake or the like, and are firmly held. It
【図１】この発明の実施の形態を示す断面図。FIG. 1 is a sectional view showing an embodiment of the present invention.
【図２】図１のＡ−Ａ線断面図。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】この発明の実施の形態を示す空調機能を含むシ
ステム構成図。FIG. 3 is a system configuration diagram including an air conditioning function showing an embodiment of the present invention.
【図４】従来のヒートポンプ給湯装置を示す構成図。FIG. 4 is a configuration diagram showing a conventional heat pump water heater.
５ ヒートポンプ給湯装置 ７ 熱交換器 ８ 給水側貯湯タンク ９ 給湯側貯湯タンク １３ 仕切板 １４ 循環ポンプ Ｓ 収納空間 5 Heat Pump Hot Water Supply Device 7 Heat Exchanger 8 Water Supply Side Hot Water Storage Tank 9 Hot Water Supply Side Hot Water Storage Tank 13 Partition Plate 14 Circulation Pump S Storage Space
───────────────────────────────────────────────────── フロントページの続き (72)発明者 五十嵐 芳貴 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 (72)発明者 関 潤一郎 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 (72)発明者 中島 文彦 東京都千代田区丸の内二丁目２番３号 三 菱電機株式会社内 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Yoshitaka Igarashi 2-3-3 Marunouchi, Chiyoda-ku, Tokyo Sanryo Electric Co., Ltd. (72) Inventor Junichiro Seki 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Inside Ryo Electric Co., Ltd. (72) Inventor Fumihiko Nakajima 2-3-3 Marunouchi, Chiyoda-ku, Tokyo San Ryo Electric Co., Ltd.
Claims (4)
と、一方をこの循環ポンプに、他方を前記貯湯タンクの
上部と連結する熱交換器とを備えたヒートポンプ給湯装
置において、前記貯湯タンクを複数の貯湯タンクで構成
し、これを横方向に並べて直列接続して設置するととも
に、これら貯湯タンクの上部に収納空間を形成する仕切
板を設け、この仕切板上に前記熱交換器と循環ポンプを
載置固定したことを特徴とするヒートポンプ給湯装置。1. A heat pump hot water supply apparatus comprising: a circulation pump connected to a lower part of a hot water storage tank; and a heat exchanger connected to one of the circulation pump and the other to an upper part of the hot water storage tank. The hot water storage tanks are arranged side by side in a horizontal direction and installed in series, and a partition plate that forms a storage space is provided above these hot water storage tanks, and the heat exchanger and the circulation pump are installed on the partition plates. A heat pump water heater characterized by being placed and fixed.
に位置して仕切板上に固定したことを特徴とする請求項
１記載の給湯装置。2. The hot water supply apparatus according to claim 1, wherein the heat exchanger is located above the hot water supply side hot water storage tank and fixed on the partition plate.
部に位置して仕切板上に固定したことを特徴とする請求
項１記載のヒートポンプ給湯装置。3. The heat pump hot water supply apparatus according to claim 1, wherein the circulation pump is located above the hot water storage tank and is fixed on the partition plate.
の間隔を保持して固定したことを特徴とする請求項１記
載のヒートポンプ給湯装置。4. The heat pump hot water supply apparatus according to claim 1, wherein the partition plate fixes a plurality of hot water storage tanks at predetermined intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12588496A JPH09310914A (en) | 1996-05-21 | 1996-05-21 | Heat pump hot-water supplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12588496A JPH09310914A (en) | 1996-05-21 | 1996-05-21 | Heat pump hot-water supplier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09310914A true JPH09310914A (en) | 1997-12-02 |
Family
ID=14921316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12588496A Pending JPH09310914A (en) | 1996-05-21 | 1996-05-21 | Heat pump hot-water supplier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09310914A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007132542A (en) * | 2005-11-08 | 2007-05-31 | Daikin Ind Ltd | Heat pump water heater |
| JP2007333337A (en) * | 2006-06-16 | 2007-12-27 | Denso Corp | Heat pump type hot water supply device |
| JP2008064454A (en) * | 2007-11-19 | 2008-03-21 | Daikin Ind Ltd | Heat pump type water heater |
| CN102108895A (en) * | 2009-12-25 | 2011-06-29 | 南通中船机械制造有限公司 | Cylinder liner water preheater for diesel |
| JP2011153772A (en) * | 2010-01-28 | 2011-08-11 | Rinnai Corp | Storage type hot water supply device |
| JP2015148425A (en) * | 2014-02-10 | 2015-08-20 | 株式会社コロナ | hot water storage type water heater |
-
1996
- 1996-05-21 JP JP12588496A patent/JPH09310914A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007132542A (en) * | 2005-11-08 | 2007-05-31 | Daikin Ind Ltd | Heat pump water heater |
| JP2007333337A (en) * | 2006-06-16 | 2007-12-27 | Denso Corp | Heat pump type hot water supply device |
| JP4743008B2 (en) * | 2006-06-16 | 2011-08-10 | 株式会社デンソー | Heat pump type water heater |
| JP2008064454A (en) * | 2007-11-19 | 2008-03-21 | Daikin Ind Ltd | Heat pump type water heater |
| JP4725575B2 (en) * | 2007-11-19 | 2011-07-13 | ダイキン工業株式会社 | Heat pump type water heater |
| CN102108895A (en) * | 2009-12-25 | 2011-06-29 | 南通中船机械制造有限公司 | Cylinder liner water preheater for diesel |
| JP2011153772A (en) * | 2010-01-28 | 2011-08-11 | Rinnai Corp | Storage type hot water supply device |
| JP2015148425A (en) * | 2014-02-10 | 2015-08-20 | 株式会社コロナ | hot water storage type water heater |
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