JPS62262113A - Mixing device for hot water and cold water - Google Patents
Mixing device for hot water and cold waterInfo
- Publication number
- JPS62262113A JPS62262113A JP10524486A JP10524486A JPS62262113A JP S62262113 A JPS62262113 A JP S62262113A JP 10524486 A JP10524486 A JP 10524486A JP 10524486 A JP10524486 A JP 10524486A JP S62262113 A JPS62262113 A JP S62262113A
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- water
- flow rate
- valve
- mixed
- 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 224
- 230000008859 change Effects 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Landscapes
- Temperature-Responsive Valves (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
- Control Of Temperature (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、湯と水を混合して適温を得る給湯用の湯水混
合装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a hot water mixing device for supplying hot water to obtain a suitable temperature by mixing hot water and water.
従来の技術
従来この種の湯水混合装置には、第２図に示すようなも
のがあった。（例えば実開昭５５−５９２２３号公報〕
第２図において、腸の入口１と水の入口２と混合湯の出
口３を有した弁框体４の内部には、湯側弁体５と水側弁
体６が設けられている。湯側弁体５と水側弁体６は軸７
に取り付けられ、外部に設けた直線運動変換機構８及び
歯車９を介し、モータ１０により駆動される。混合湯出
口３の近傍には、混合湯温を検出する混合湯温検出器１
１が設けられ、混合湯温設定器１２で設定した混合湯温
値と、混合湯温検出器１１で検出される湯温値を制御器
１３が比較し、モータ１０を制御する。端末には混合湯
を供給する蛇口１４が設けられている。そして蛇口１４
を開成し、混合湯温設定器１２を手で操作して混合湯温
を設定すると、制御器１３で混合湯温検出器１１の値と
混合場温設定器１２の設定値が比較され、両者の温度偏
差をなくすようにモータ１０が駆動制御される。2. Description of the Related Art Conventionally, there has been a hot water mixing device of this type as shown in FIG. (For example, Japanese Utility Model Application Publication No. 55-59223) In FIG. A side valve body 6 is provided.The hot water side valve body 5 and the water side valve body 6 are connected to a shaft 7.
The motor 10 drives the motor 10 via an external linear motion conversion mechanism 8 and gears 9. Near the mixed water outlet 3, there is a mixed water temperature detector 1 that detects the mixed water temperature.
1 is provided, and a controller 13 compares the mixed hot water temperature value set by the mixed hot water temperature setting device 12 and the hot water temperature value detected by the mixed hot water temperature detector 11, and controls the motor 10. A faucet 14 for supplying mixed hot water is provided at the terminal. and faucet 14
When the engine is opened and the mixing water temperature setting device 12 is manually operated to set the mixing water temperature, the controller 13 compares the value of the mixing water temperature detector 11 and the setting value of the mixing field temperature setting device 12. The motor 10 is controlled to eliminate temperature deviation.
発明が解決しようとする問題点
しかしながら上記のような構成では、次のような問題点
を有していた。Problems to be Solved by the Invention However, the above configuration has the following problems.
（１） 湯圧や水圧が、他の給湯栓や給水栓の開閉な
どにより急変した場合、混合湯温検出器１１の応管遅れ
や直線運動変換機構９のバックラッシュ、また制御器１
３内の遅れ要素によって制御動作が遅れ、過渡的に混合
湯温のオーバシュートやアンダシュートを生じた。(1) If the hot water pressure or water pressure suddenly changes due to the opening or closing of other hot water taps or faucets, there may be a delay in response of the mixed hot water temperature detector 11, backlash of the linear motion conversion mechanism 9, or the controller 1
The control operation was delayed due to the delay element in No. 3, and transient overshoots and undershoots of the mixed water temperature occurred.
（（２）水圧や湯圧が高いと流量が多く流れ、湯側弁体
５や水側弁体６にかかる圧力が過大となり、これに対抗
するためモータ１０も能力の大きなものを必要としてい
た。((2) When the water pressure and hot water pressure are high, the flow rate is large, and the pressure applied to the hot water side valve body 5 and the water side valve body 6 becomes excessive, and in order to counter this, the motor 10 needs to have a large capacity. .
本発明はこの様な従来の問題点を解決するものであり、
過渡的な温度変動を低減し、駆動力も少なくて済む湯水
混合装置を提供することを目的とする。The present invention solves these conventional problems,
It is an object of the present invention to provide a hot water mixing device that reduces transient temperature fluctuations and requires less driving force.
問題点を解決するための手段
本発明はこのような従来の問題点を解決するために、湯
の流量を略一定にする湯測定流量弁と、この湯測定流量
弁の設定値を変更する局側設定変更手段と、水の流量を
略一定にする水測定流量弁と、この水測定流量弁の設定
値を変更する水側設定変更手段と、湯と水が混合した混
合湯温を設定する混合湯温設定器と、この混合湯温設定
器の設定に従って局側設定変更手段と水側設定変更手段
を制御する制御器を備えて構成するものである。Means for Solving the Problems In order to solve these conventional problems, the present invention provides a hot water measurement flow valve that keeps the flow rate of hot water approximately constant, and a station that changes the set value of the hot water measurement flow valve. a side setting changing means, a water measuring flow rate valve that makes the flow rate of water substantially constant, a water side setting changing means that changes the set value of the water measuring flow valve, and a temperature of a mixed water mixture of hot water and water. The system includes a mixing hot water temperature setting device and a controller that controls the station side setting changing means and the water side setting changing means in accordance with the setting of the mixing hot water temperature setting device.
作 用
本発明は上記した構成によって、混合湯温設定器で設定
した混合湯温を得るように、制御器で湯側設定変更手段
と水側設定変更手段を制御して、湯測定流量弁と水測定
流量弁で混合比率を調節するとともに、湯測定流量弁と
水測定流量弁で設定に従って渦流量と水流量を略一定化
し、湯圧変動時、水圧変動時の渦流量と水流量の変動を
吸収し、かつ局側設定変更手段や水側設定変更手段にか
かる圧力を軽減して、場、水の圧力変動時の混合湯温の
オーバシュートやアンダシュートの低減と、湯側設定変
更手段と水側設定変更手段に対する負荷の軽減を図って
いるものである。According to the above-described configuration, the present invention controls the hot water side setting changing means and the water side setting changing means with the controller so as to obtain the mixed hot water temperature set by the mixing hot water temperature setting device, and the hot water measuring flow rate valve and the hot water measuring flow rate valve. In addition to adjusting the mixing ratio with the water measurement flow valve, the vortex flow rate and water flow rate are kept approximately constant according to the settings with the hot water measurement flow rate valve and the water measurement flow rate valve, and the vortex flow rate and water flow rate change when hot water pressure fluctuates and water pressure fluctuates. and reduce the pressure applied to the station side setting change means and the water side setting change means, thereby reducing overshoot and undershoot of the mixed hot water temperature when the field and water pressure fluctuates, and the hot water side setting change means. This is intended to reduce the load on the water side setting change means.
実施例 以下本発明の実施例を添付図面に基づいて説明する。Example Embodiments of the present invention will be described below based on the accompanying drawings.
第１図において、湯流路１５と水流路１６を経て供給さ
れる場と水は、湯測定流量弁１７と水測定流量弁１８で
流量が略一定化される。この湯測定流量弁１７と水測定
流量弁１８はいずれも、−次圧室１９と、二次圧室２０
と、両者を仕切り摺動するシール部を有したピストン２
１と、このピストン２１に軸２２により連結された定流
量弁体２３と、定流量弁体２ａとバランスを取るバラン
ス弁体２４と、圧力を導入する圧力導入口２５等より構
成されている。そして、ピストン２１は局側設定変更手
段である湯側抵抗弁２６と、水側設定変更手段である水
側抵抗弁２７の前後の差圧に。In FIG. 1, the flow rate of the water supplied through the hot water flow path 15 and the water flow path 16 is made substantially constant by a hot water measurement flow rate valve 17 and a water measurement flow rate valve 18. Both the hot water measurement flow rate valve 17 and the water measurement flow rate valve 18 have a negative pressure chamber 19 and a secondary pressure chamber 20.
and a piston 2 having a seal portion that partitions and slides between the two.
1, a constant flow valve body 23 connected to the piston 21 by a shaft 22, a balance valve body 24 for balancing the constant flow valve body 2a, a pressure introduction port 25 for introducing pressure, and the like. Then, the piston 21 responds to the differential pressure between the hot water side resistance valve 26, which is the station side setting changing means, and the water side resistance valve 27, which is the water side setting changing means.
よって動作し、結果的に場、水の流量を略一定に保つ。As a result, the field and water flow rate are kept approximately constant.
湯側抵抗弁２６と水側抵抗弁２７はいずれも、弁座２８
に当接可能に設けられた弁体２９と、弁体２９に装着さ
れたパツキン３０と、弁体２９に連結された軸３１と、
これを駆動するモータ３２と、直線運動変換機構３３と
から成っている。Both the hot water side resistance valve 26 and the water side resistance valve 27 are connected to the valve seat 28.
a valve body 29 provided so as to be able to come into contact with the valve body 29; a gasket 30 attached to the valve body 29; and a shaft 31 connected to the valve body 29;
It consists of a motor 32 that drives this, and a linear motion conversion mechanism 33.
湯側抵抗弁２６と湯測定流量弁１７、及び水側抵抗弁２
７と水測定流量弁１８により流量調節された場と水は混
合され、混合湯温がサーミスタ３４で検出される。また
、混合流量は流量センサ３５により検出される。そして
混合湯は、混合湯流路３６を経て蛇口３７から給湯対象
に供給される。Hot water side resistance valve 26, hot water measurement flow rate valve 17, and water side resistance valve 2
7 and the water whose flow rate is adjusted by the water measuring flow valve 18 are mixed, and the temperature of the mixed water is detected by the thermistor 34. Further, the mixed flow rate is detected by a flow rate sensor 35. The mixed hot water is then supplied to the hot water supply target from a faucet 37 via a mixed hot water flow path 36.
蛇口３７の近傍には、給湯の開始、停止や、混合湯温、
混合流量、混合流量の積算値を設定するとともに、これ
らの現在値を表示する設定器３８が設けられている。前
述のサーミスタ３４と流量センサ３５及び設定器３８の
信号は制御器３９に伝えられるとともに、制御器３９は
、湯側抵抗弁２６と水側抵抗弁２７のモータ３２及び設
定器３８を制御する。Near the faucet 37, there are indicators for starting and stopping hot water supply, mixed water temperature,
A setting device 38 is provided for setting the mixing flow rate and the integrated value of the mixing flow rate and for displaying their current values. Signals from the thermistor 34, flow rate sensor 35, and setting device 38 described above are transmitted to a controller 39, and the controller 39 controls the motor 32 and setting device 38 of the hot water side resistance valve 26 and water side resistance valve 27.
上記した構成により、設定器３８で所望の混合湯温と混
合流量、また混合流量の積算値を設定して給湯の開始を
指示すると、制御器３９の指令により、湯側抵抗弁２６
と水側抵抗弁２７のモータ３２が制御され、湯側抵抗弁
２６と水側抵抗弁２７が所定の開度まで開成されて行く
。湯側抵抗弁２６と水側抵抗弁２７は、流量センサ３５
の信号が設定器３８で設定した混合流量が得られ、かつ
設定器３８で設定した混合湯温か得られる流量比率に抵
抗を調節する。定常時はこのようにして混合湯温と混合
流量が維持されて行く。ここで例えば混合湯温の上昇が
設定器３８で指示されると、制御器３９は湯側抵抗弁２
６を少し開成する。すると湯側ピストン２１にかかる差
圧が小さくなり、湯側の定流量弁体２３も開成されて湯
量が増す。With the above-described configuration, when the setting device 38 sets the desired mixed water temperature, mixed flow rate, and integrated value of the mixed flow rate to instruct the start of hot water supply, the controller 39 commands the hot water side resistance valve 26 to
Then, the motor 32 of the water side resistance valve 27 is controlled, and the hot water side resistance valve 26 and the water side resistance valve 27 are opened to a predetermined opening degree. The hot water side resistance valve 26 and the water side resistance valve 27 are connected to the flow rate sensor 35.
The resistance is adjusted to a flow rate ratio at which the mixed flow rate set by the setter 38 is obtained and the mixed water temperature set by the setter 38 is obtained. During steady state, the mixed water temperature and mixed flow rate are maintained in this way. Here, for example, when an increase in the mixed water temperature is instructed by the setting device 38, the controller 39 controls the hot water side resistance valve 2.
6 is opened a little. Then, the differential pressure applied to the piston 21 on the hot water side becomes smaller, the constant flow valve body 23 on the hot water side is also opened, and the amount of hot water increases.
同時に、水側抵抗弁２７は少し閉成され、水側の定流量
弁体２３は絞られる。そしてサーミスタ３４で得られる
混合湯温が、設定器ａ８で設定した設定値になる混合比
率に、湯と水の混合比が調節される。また同様に流量セ
ンサ３５の値を利用して混合流量が調節される。これら
サーミスタ３４の信号と流量センサ３５の信号は、制御
器３９を介して設定器３８に表示される。また流量積算
を設定器３８で指示した場合は、流量センサ３５の信号
が制御器３９で積算され、所定流量に達した時点で湯側
抵抗弁２６と水側抵抗弁２７を閉成し給湯を停止する。At the same time, the water side resistance valve 27 is slightly closed and the water side constant flow valve body 23 is throttled. Then, the mixing ratio of hot water and water is adjusted so that the mixed water temperature obtained by the thermistor 34 becomes the set value set by the setting device a8. Similarly, the mixed flow rate is adjusted using the value of the flow rate sensor 35. The signals from the thermistor 34 and the flow rate sensor 35 are displayed on the setting device 38 via the controller 39. When flow rate integration is instructed by the setting device 38, the signal from the flow rate sensor 35 is integrated by the controller 39, and when a predetermined flow rate is reached, the hot water side resistance valve 26 and the water side resistance valve 27 are closed to start hot water supply. Stop.
使用中に他の水栓や給湯栓が使用されて湯や水の一次圧
が大きく変化すると、湯あるいは水の流量も大きく変わ
ろうとするが、湯測定流量弁１７と水測定流量弁１８の
働きで流量を変化前とほぼ同一に保ち、混合湯温や混合
流量が大きく変化しようとすることを防止する。If another faucet or hot water supply faucet is used during use and the primary pressure of hot water or water changes greatly, the flow rate of hot water or water will also change greatly, but the functions of the hot water measurement flow valve 17 and the water measurement flow valve 18 This keeps the flow rate almost the same as before the change, and prevents the mixed water temperature and mixed flow rate from changing significantly.
この際の混合湯温や混合流量の微少の変化は、前述のご
とくサーミスタ３４と流量センサ３５で検出されて微調
節される。また使用中は、湯測定流量弁１７や水測定流
量弁１８にて一次圧が高い場合は結果的に減圧が行なわ
れるため、湯側抵抗弁２６や水側抵抗弁２７にかかる差
圧が少なくなり、湯側のモータ３２と水側のモータ３２
は能力が小さくて済み、電気の消費量も少なくて済む。At this time, minute changes in the mixed water temperature and mixed flow rate are detected by the thermistor 34 and the flow rate sensor 35 and finely adjusted as described above. In addition, during use, if the primary pressure is high at the hot water measurement flow rate valve 17 or the water measurement flow rate valve 18, the pressure is reduced as a result, so the differential pressure applied to the hot water side resistance valve 26 or the water side resistance valve 27 is small. The hot water side motor 32 and the water side motor 32
has a small capacity and consumes less electricity.
更に、定範囲を越える大流量が流れないため、流速によ
って比例的に大きくなる流路の潰食が低減できる。Furthermore, since a large flow rate exceeding a certain range does not flow, erosion of the channel, which increases proportionally with the flow rate, can be reduced.
給湯を停止したい場合は、設定器ａ８で給湯の停止を指
示すると、湯側のモータ３２が湯側抵抗弁２６を、また
水側のモータ３２が水側抵抗弁２７を閉成して給湯を停
止する。停止中は、湯側抵抗弁２６と水側抵抗弁２７が
流路を閉成するため、圧力の高い方から低い方へ湯ある
いは水が侵入することや、断水時に蛇口３７側から混合
水や汚水が逆流することが防止できている。なお、湯測
定流量弁１７と水測定流量弁１８は、定流量弁体２３で
も停止中に止水を行なうこともできる。If you want to stop hot water supply, use the setting device a8 to instruct the hot water supply to stop, and the hot water side motor 32 closes the hot water side resistance valve 26, and the water side motor 32 closes the water side resistance valve 27, and starts hot water supply. Stop. When the water is stopped, the hot water side resistance valve 26 and the water side resistance valve 27 close the flow path, so hot water or water may enter from the higher pressure side to the lower pressure side, or mixed water or water may leak from the faucet 37 side during a water outage. This prevents sewage from flowing back. Note that the hot water measurement flow rate valve 17 and the water measurement flow rate valve 18 can also be used to shut off the water when the water is stopped by using the constant flow valve body 23.
この実施例の効果としては、湯側と水側の定流量値の設
定変更手段は、湯側、水側に各々設けた抵抗弁２６．２
７で構成しているため、構造が簡単で同一部品で構成で
きる点と、抵抗弁２６，２７’で止水ができるため、特
に止水弁を設けなくても混合湯温調節、混合流量調節と
併せて混合湯の止水が行なえる点が挙げられる。As an effect of this embodiment, the means for changing the setting of the constant flow value on the hot water side and the water side is the resistance valve 26.2 provided on the hot water side and the water side respectively.
7, the structure is simple and can be constructed from the same parts, and the resistance valves 26 and 27' can be used to shut off the water, making it possible to adjust the mixed hot water temperature and mixing flow rate without the need for a water shutoff valve. In addition, it is possible to shut off the mixed hot water.
なお、これらの実施例においては混合湯温をサーミスタ
３４で検出し、信号をフｆ−ドパツクする制御方式を例
にとったが、湯温と水温及び湯の流量と水の流量を元で
予め測定し、混合湯温を演算で求めるフィードフォワー
ド制御等にも本発明の思想は適用できるものである。In addition, in these embodiments, the mixed water temperature is detected by the thermistor 34 and the signal is fed back. The idea of the present invention can also be applied to feedforward control, etc. in which the mixed water temperature is determined by measurement and calculation.
発明の効果
以上のように本発明の湯水混合装置によれば、次のよう
な効果が得られる。Effects of the Invention As described above, according to the hot water mixing device of the present invention, the following effects can be obtained.
（１）ｍ圧や水圧が、池の給湯栓や給水栓の開閉により
急変しても、湯測定流量弁と水測定流量弁の定流量化作
用により、湯と水の流量を変化前とほぼ一定に保てるた
め、混合湯温が大きく変動することの防止が図れる。(1) Even if m-pressure or water pressure suddenly changes due to the opening and closing of the pond hot water tap or hydrant, the constant flow action of the hot water measurement flow valve and water measurement flow valve will keep the flow of hot water and water close to the level before the change. Since it can be kept constant, large fluctuations in the mixed water temperature can be prevented.
（２）湯測定流量弁と水測定流量弁で定流量化ができ、
湯側設定変更手段と水側設定変更手段にかかる差圧が抑
えられるため、これら設定変更手段の能力も小さくて済
み、節電も図れる。(2) Constant flow can be achieved with hot water measurement flow valve and water measurement flow valve.
Since the differential pressure applied to the hot water side setting changing means and the water side setting changing means is suppressed, the capacity of these setting changing means can be reduced, and power can be saved.
（３） ＩＪｊｔ圧や水圧が高くても、湯測定流量弁
と水測定流量弁の定流量化作用により、大流電が流れな
いため、流路の潰食が低減できる。(3) Even if the IJjt pressure or water pressure is high, the constant flow action of the hot water measurement flow rate valve and the water measurement flow rate valve prevents a large current from flowing, so erosion of the flow path can be reduced.
（に）定流量値を設定変更できるため、任意の混合湯温
を得ることができる。(2) Since the constant flow rate value can be changed, any mixed water temperature can be obtained.
第１図は本発明の一実施例における湯水混合装・・・・
・・水側抵抗弁（水側設定変更手段）、３８・・・・・
・設定器（混合湯温設定器）、３９・・・・・・制御器
。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名１７
− 湯測定麦！弁
／８−水側ミ洸量弁
２Ｇ−８賽慝抗弁
３９・−薊御器Figure 1 shows a hot water mixing device according to an embodiment of the present invention.
...Water side resistance valve (water side setting change means), 38...
- Setting device (mixed hot water temperature setting device), 39...Controller. Name of agent: Patent attorney Toshio Nakao and 1 other person17
- Measure the water! Valve/8-Water side volume valve 2G-8 Selection resistance valve 39.-Saigoki
Claims (3)
測定流量弁の流量設定値を変更する湯側設定変更手段と
、水の流量を略一定にする水測定流量弁と、この水測定
流量弁の流量設定値を変更する水側設定変更手段と、湯
と水が混合した混合湯温を設定する混合湯温設定器と、
この混合湯温設定器の設定に従って前記湯側設定変更手
段と前記水側設定変更手段を制御する制御器を備えた湯
水混合装置。(1) A hot water measurement flow rate valve that makes the flow rate of hot water substantially constant, a hot water side setting change means that changes the flow rate setting value of the hot water measurement flow rate valve, and a water measurement flow rate valve that makes the flow rate of water substantially constant; a water-side setting change means for changing the flow rate setting value of the water measurement flow rate valve; a mixing water temperature setting device for setting the temperature of the mixed water of hot water and water;
A hot water mixing device comprising a controller that controls the hot water side setting changing means and the water side setting changing means according to the settings of the mixing hot water temperature setting device.
水側の流路に各々設けた抵抗弁とした特許請求の範囲第
１項記載の湯水混合装置。(2) The hot water side setting changing means and the water side setting changing means are the hot water side,
The hot water mixing device according to claim 1, wherein the hot water mixing device is a resistance valve provided in each flow path on the water side.
第２項記載の湯水混合装置。(3) The hot water mixing device according to claim 2, wherein the hot water and water are stopped by a resistance valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10524486A JPS62262113A (en) | 1986-05-08 | 1986-05-08 | Mixing device for hot water and cold water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10524486A JPS62262113A (en) | 1986-05-08 | 1986-05-08 | Mixing device for hot water and cold water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62262113A true JPS62262113A (en) | 1987-11-14 |
Family
ID=14402236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10524486A Pending JPS62262113A (en) | 1986-05-08 | 1986-05-08 | Mixing device for hot water and cold water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62262113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015183986A (en) * | 2014-03-26 | 2015-10-22 | Toto株式会社 | Hot water/water mixing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5749019U (en) * | 1980-09-02 | 1982-03-19 |
-
1986
- 1986-05-08 JP JP10524486A patent/JPS62262113A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5749019U (en) * | 1980-09-02 | 1982-03-19 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015183986A (en) * | 2014-03-26 | 2015-10-22 | Toto株式会社 | Hot water/water mixing device |
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