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1. 发明专利

JP2013161382A Pressure-reducing valve 有权
标题翻译：减压阀
公开(公告)号：JP2013161382A
公开(公告)日：2013-08-19
申请号：JP2012024640
申请日：2012-02-08
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： FUSHIKI TAKAYUKI , URUNO NOBUHIDE , URUSHIBATA YUSUKE
IPC分类号： G05D16/00 , F16K17/04 , F16K17/30
摘要： PROBLEM TO BE SOLVED: To provide a pressure-reducing valve capable of preventing a packing, which is assembled to the case of a relief valve mechanism, from falling or being misaligned.SOLUTION: Provided is a pressure-reducing valve equipped with a primary side chamber, a secondary side chamber, and a valve element having a water stopping function to variably adjust a flow path area of a boundary portion between the primary side chamber and the secondary side chamber, and the valve is equipped with a relief valve mechanism which, as primary pressure rises when the valve element closes the boundary portion between the primary side chamber and the secondary side chamber, allows the primary side chamber to communicate with a space other than the primary side chamber. The relief valve mechanism has a relief valve seat, a relief spring and a relief valve element, and the relief valve element has a packing which contacts the relief valve seat and a case holding the packing, the packing has a contact surface contacting the relief valve seat and a side surface extending in a direction crossing the contact surface, and the case has holding portions which hold the packing while sandwiching it from the side surfaces and an escape portion to which a swollen portion of the packing sandwiched by the holding portions, which is elastically deformed and swollen to a side direction, is allowed to escape.
摘要翻译：要解决的问题：提供一种能够防止组装在安全阀机构的情况下的包装的减压阀不会下降或不对准。解决方案：提供一种装有一次侧的减压阀腔室，二次侧室和具有防水功能的阀元件，可变地调节一次侧室和二次侧室之间的边界部分的流路面积，并且该阀具有安全阀机构，当阀元件关闭初级侧室和次级侧室之间的边界部分时，一次压力升高，允许一次侧室与一次侧室以外的空间连通。安全阀机构具有安全阀座，释放弹簧和安全阀元件，并且安全阀元件具有与安全阀座接触的密封件和保持密封件的壳体，该密封件具有接触安全阀的接触表面座和沿与接触表面相交的方向延伸的侧表面，并且所述壳体具有保持部分，所述保持部分从所述侧表面夹持所述包装物，并且所述收容部分由所述保持部分夹在所述包装件的膨胀部分中，被弹性变形并向侧面方向膨胀，被允许逃逸。

2. 发明专利

JP2012107843A Water heater 有权
标题翻译：热水器
公开(公告)号：JP2012107843A
公开(公告)日：2012-06-07
申请号：JP2010258748
申请日：2010-11-19
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： NISHINO HAJIME , FUSHIKI TAKAYUKI
IPC分类号： F24H1/00 , F24H9/00
摘要： PROBLEM TO BE SOLVED: To provide a water heater which can be continuously used even if high-hardness water is used as supply water.SOLUTION: The water heater includes: a tank 10 for storing a heating medium; a heating means 3 for heating the heating medium; a heating circuit 40 for hot water supply which takes out the heating medium of the tank 10 and returns the heating medium to the tank 10; a heat exchanger 50 for hot water supply which is disposed on the heating circuit for hot water supply, performs the heat-exchange of supply water with the heating medium and heats the supply water to produce supply hot water; a water supply circuit 21 for supplying the supply water to the heating circuit 40 for hot water supply; hot water supply circuits 20(30) for supplying the supply hot water heated by the heat exchanger 50 for hot water supply to hot water supply terminals A(B); and a heating medium introducing circuit 80 which is branched from the water supply circuit 21 and introduces the supply water into the tank 10 as the heating medium. The heat exchanger 50 for hot water supply is connected by joints F(51a, 51b, 51c, 51d) to pipes 41, 42 of the heating circuit for hot water supply, the pipe 21 of the water supply circuit and pipes 22(31) of pre-hot water supply circuit so as to be detachable.
摘要翻译：要解决的问题：提供即使使用高硬度水作为供水也可以连续使用的热水器。解决方案：热水器包括：用于存储加热介质的罐10; 用于加热加热介质的加热装置3; 用于热水供应的加热回路40取出罐10的加热介质并将加热介质返回到罐10; 用于热水供应的热交换器50设置在用于热水供应的加热回路上，与供热介质进行供热水的热交换并加热供水以产生供应热水; 供水回路21，用于将供水供给到用于热水供应的加热回路40; 用于向由热水供给端子A（B）供给热水供给用热交换器50供热的供水用的热水供给回路20（30）以及从供水回路21分支并将供给水引入作为加热介质的罐10中的加热介质导入回路80。用于热水供应的热交换器50通过接头F（51a，51b，51c，51d）连接到用于热水供应的加热回路的管道41,42，供水回路的管21和管道22（31）的预热水供应回路以便可拆卸。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012042091A Water heater 审中-公开
标题翻译：热水器
公开(公告)号：JP2012042091A
公开(公告)日：2012-03-01
申请号：JP2010182725
申请日：2010-08-18
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： FUSHIKI TAKAYUKI , NISHINO HAJIME
IPC分类号： F24H1/00
摘要： PROBLEM TO BE SOLVED: To provide a water heater which can prevent supply of hot water set high exceeding a general hot water supply set temperature during general hot water supply when the set temperature of bath hot water is higher than the set temperature of the general hot water supply.SOLUTION: In the water heater 1 serving as a heat exchanger where heat exchanger 50 for hot water supply is used for both general hot water supply and bath hot water supply, a controller 100 controls a hot water supply circulation pump 44 so that a hot water temperature after heat exchange at the hot water supplying heat exchanger 50 becomes a temperature corresponding to a general hot water supply set temperature, when it detects general hot water supply during bath hot water supply, in a case when the bath hot water set temperature is higher than the general hot water supplying set temperature, and controls the opening degree of a flow regulating valve 32 in a close direction when both of the bath hot water supply and the general hot water supply are simultaneously carried out.
摘要翻译：要解决的问题：提供一种热水器，当热水的设定温度高于设定温度时，能够防止一般热水供给期间的设定温度超过一般的热水供给设定温度的供给热水一般热水供应。解决方案：在用作热水供热用热交换器50的热交换器1的热水器1中，一般的热水供给和电热水供给一起使用，控制器100控制热水供给循环泵44，使得在热水供给用热交换器50中进行热交换后的热水温度成为与通常的热水供给设定温度相对应的温度，当检测到浴热水供应时的一般热水供给时，温度高于一般的热水供给设定温度，并且同时进行两个浴热水供给和一般的热水供给时的控制开闭方向的流量调节阀32的开度。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2012017958A High-temperature medium supply device 审中-公开
标题翻译：高温中等电源设备
公开(公告)号：JP2012017958A
公开(公告)日：2012-01-26
申请号：JP2010157208
申请日：2010-07-09
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： YOKOYAMA TAKUYA , KAWAGUCHI ZENJI , NISHINO HAJIME , FUSHIKI TAKAYUKI
IPC分类号： F24D17/00 , F24D17/02
摘要： PROBLEM TO BE SOLVED: To provide a high-temperature medium supply device capable of supplying a first hot-water tap and a second hot-water tap with high-temperature media having a different temperature while the first and second water-taps share a first heating unit.SOLUTION: A water heater 1 includes: a heat exchanger for hot-water supply 30 that heats supply water to generate high-temperature water (hot-water to be supplied, hot-water for filling); a hot-water supply circuit 40 that connects the heat exchanger for hot-water supply 30 with a hot-water cock X to supply hot-water from the heat exchanger for hot-water supply 30 to the hot-water cock X; a hot-water filling circuit 50 that connects the heat exchanger for hot-water supply 30 with a bathtub Y to supply the bathtub Y with the hot-water from the heat exchanger for hot-water supply 30; and a mixing valve 60 that mixes the hot-water from the heat exchanger for hot-water supply 30 with supply water whose temperature is lower than the hot-water. When hot-water supply request and hot-water filling request simultaneously occur, in a case where a set hot-water temperature is higher than a set bath temperature, the heat exchanger for hot-water supply 30 sets the set hot-water temperature as a target temperature and the mixing valve 60 mixes the hot-water with supply water so that the hot-water flowing toward the bathtub Y has the set bath temperature.
摘要翻译：要解决的问题：提供一种能够在第一和第二水龙头上提供具有不同温度的高温介质的第一热水龙头和第二热水龙头的高温介质供应装置共享第一个加热单元。热水器1包括：热水供应用热交换器30，其加热供水以产生高温水（供给的热水，用于填充的热水）; 将热水供给用热交换器30与热水旋塞X连接，将热水供给用热交换器30的热水供给到热水旋塞X的热水供给回路40; 将热水供给用热交换器30与浴缸Y连接的热水填充回路50，向浴盆Y供给来自热水供给用热交换器30的热水; 以及混合阀60，其将来自热水供给用热交换器30的热水与温水低于热水的供给水混合。当同时发生热水供应请求和热水填充请求时，在设定的热水温度高于设定的浴温的情况下，热水供给用热交换器30将设定的热水温度设定为目标温度和混合阀60将热水与供水混合，使得朝向浴缸Y流动的热水具有设定的浴温度。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2009162458A Heat pump hot water supply system 审中-公开
标题翻译：热泵热水供应系统
公开(公告)号：JP2009162458A
公开(公告)日：2009-07-23
申请号：JP2008002705
申请日：2008-01-10
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： ENDO KAZUHIRO , KOTO YOSHIKAZU , FUSHIKI TAKAYUKI , NISHIGORI MITSUO
IPC分类号： F24H1/00 , F24H1/18
CPC分类号： F24D17/02 , F24D19/1054 , F24D19/1063
摘要： PROBLEM TO BE SOLVED: To improve energy efficiency during the hot water storage tank boiling of a midnight time zone, and to carry out the equalization of an electric power demand in a heat pump hot water supply system. SOLUTION: The heat pump hot water supply system equipped with a heat pump, and a hot water storage tank storing water heated by the heat pump is equipped with a setting means for setting a heating capacity by using an outside air temperature, and a control means for preferentially operating the heat pump by a minimum value of the heating capacity set by the setting means during the midnight time zone. The system is characterized in that, in the control means, if boiling cannot be completed during the midnight time zone by only preferentially operating the heat pump by the minimum value of the heating capacity, control is carried out to operate the heat pump by a heating capacity larger than the minimum value of the heating capacity. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提高午餐时间段的热水储存罐沸腾期间的能量效率，并实现热泵热水供应系统中的电力需求的均衡。
解决方案：配备有热泵的热泵热水供给系统和储存由热泵加热的水的热水储存箱配备有用于通过使用外部空气温度来设定加热能力的设定装置，控制装置，用于在午夜时间段内优先操作由所述设定装置设定的加热能力的最小值的热泵。该系统的特征在于，在控制装置中，如果通过仅将热泵优先操作加热能力的最小值在午夜时间段内不能完成沸腾，则进行控制以通过加热来操作热泵容量大于加热能力的最小值。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2009103403A Electric water heater 有权
标题翻译：电热水器
公开(公告)号：JP2009103403A
公开(公告)日：2009-05-14
申请号：JP2007277807
申请日：2007-10-25
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： FUSHIKI TAKAYUKI , KOTO YOSHIKAZU , FUJITA HIDEKATSU
IPC分类号： F24H1/00 , F24D17/00
摘要： PROBLEM TO BE SOLVED: To provide an electric water heater capable of extensively shortening a time required for filling a bathtub. SOLUTION: The electric water heater 1 includes a first hot water filling circuit 40 supplying the bathtub B with hot water of a hot water storage tank 10, and a hot water supply heat exchanger 50 carrying out heat exchange between the hot water of the hot water storage tank 10 and supply water, and intermittently heating the supply water and producing supply hot water. It includes a second hot water filling circuit supply the supply hot water produced by the hot water supply heat exchanger 50 to the bathtub B in parallel with the first hot water filling circuit 40, and it is composed to mix supply water having gone through a pressure reducing valve 31 in hot water heading toward the bathtub B from the first hot water filling circuit 40, and supplying supply water not having gone through the pressure reducing valve 31 to the hot water supply heat exchanger 50. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够大大缩短填充浴缸所需时间的电热水器。解决方案：电热水器1包括向浴缸B供给热水储存箱10的热水的第一热水填充回路40和在热水储存箱10的热水之间进行热交换的热水供给热交换器50 热水储存箱10供水，并间歇地加热供水并产生供水热水。它包括第二个热水填充回路，将由热水供应热交换器50产生的热水供应到与第一热水灌装回路40并联的浴缸B，并且它被组合成将经过压力的供给水从第一热水填充回路40朝向浴缸B的热水中减压阀31，将未通过减压阀31的供给水供给到热水供给用热交换器50.（C） 2009年，JPO＆INPIT

7. 发明专利

JP2014005994A Flow passage exchanger and hot water supply solenoid valve unit 有权
标题翻译：流量通风换热器和热水电磁阀单元
公开(公告)号：JP2014005994A
公开(公告)日：2014-01-16
申请号：JP2012141640
申请日：2012-06-25
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： FURUKAWA SHUNSUKE , YAMASHITA TAICHIRO , FUSHIKI TAKAYUKI
IPC分类号： F24H1/00
摘要： PROBLEM TO BE SOLVED: To provide a flow passage exchanger and a hot water supply solenoid valve unit, capable of preventing hot water with a temperature different from an assumed one from being supplied to a hot water supply terminal even in a case where the hot water flows in from a water supply source.SOLUTION: A hot water supply solenoid valve unit includes: a pressure opening/closing valve 21 provided downstream a connection point S1 between a hot water supply pipe 25b and a branch pipe 26, and opening with pressure corresponding to a flow rate equal to or more than a predetermined value; and a flow rate opening/closing valve 22 provided on the branch part 26, and opening the flow rate less than the predetermined value. The flow rate opening/closing valve 22 opens/closes due to fluctuation of the pressure difference between the upstream side of a pressure drop member 23 and the downstream side thereof, and the pressure drop member 23 is a solenoid valve.
摘要翻译：要解决的问题：为了提供一种流量交换器和热水供应电磁阀单元，即使在热水供给端口的情况下，也能够将不同于假设的温度的热水供给到热水供应端口热水供应电磁阀单元包括：设置在热水供应管25b和支管26之间的连接点S1下游的压力开/关阀21，并且压力相应地开启达到等于或大于预定值的流量; 以及设置在分支部26上的流量打开/关闭阀22，并且打开小于预定值的流量。流量开闭阀22由于压降部件23的上游侧与下游侧的压力差的波动而开闭，压降部件23为电磁阀。

8. 发明专利

JP2012098235A Liquid quality inspection instrument and liquid quality inspection method 审中-公开
标题翻译：液体质量检验仪器和液体质量检验方法
公开(公告)号：JP2012098235A
公开(公告)日：2012-05-24
申请号：JP2010248152
申请日：2010-11-05
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： SAITO KENICHI , FUSHIKI TAKAYUKI , NISHINO HAJIME , KAWAGUCHI ZENJI
IPC分类号： G01N21/78 , G01N31/00 , G01N31/22
摘要： PROBLEM TO BE SOLVED: To provide a liquid quality inspection instrument capable of easily and properly inspecting whether or not liquid to be inspected is suitable to be supplied to a supply object device (for example, a water heater).SOLUTION: A liquid quality inspection instrument 30 comprises as a portable kit: a color indicator container 32 in which a color indicator is stored; and an alkaline solution container 33 in which an alkaline solution is stored. A predetermined amount of liquid to be inspected, the color indicator, and the alkaline solution of an amount predetermined according to prescribed allowable free carbon concentration allowed by a supply object device of the liquid to be inspected, are mixed to indicate whether or not the free carbon concentration of the liquid to be inspected is within the range of the allowable free carbon concentration, based on the change in color of the mixed liquid.
摘要翻译：要解决的问题：提供一种液体质量检查仪器，其能够容易且适当地检查是否适合将待检查的液体供应到供应对象装置（例如热水器）。液体质量检测仪器30包括作为便携式工具包的：颜色指示器容器32，其中存储颜色指示器; 以及碱性溶液容器33，其中存储碱性溶液。将要检查的预定量的待检查液体，颜色指示剂和根据待检查液体的供给对象装置允许的规定允许游离碳浓度预定量的碱性溶液混合，以指示是否自由基于混合液的颜色变化，待检测液体的碳浓度在容许游离碳浓度的范围内。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2012007832A Tank device 审中-公开
标题翻译：坦克装置
公开(公告)号：JP2012007832A
公开(公告)日：2012-01-12
申请号：JP2010145256
申请日：2010-06-25
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： FURUKAWA TOSHISUKE , FUSHIKI TAKAYUKI
IPC分类号： F24H1/18
摘要： PROBLEM TO BE SOLVED: To provide a tank device which can discharge a gas such as water vapor to the external while properly storing a heat medium such as heated water.SOLUTION: In a water heater 1, this tank device includes a tank 10 for storing the water, a heat pump 20 for heating the water in the tank 10, a relief valve 31 connected to an upper part of the tank 10 and opened when a pressure in the tank reaches a first prescribed pressure or higher to release the water vapor in the tank 10, a discharge valve 41 connected to the tank 10, and being opened by electronic control to discharge water of low temperature before heating, stored in the tank 10 to the external, and a controller 70 for electronically controlling the discharge valve 41, and the controller 70 opens the discharge valve 41 to discharge the water of low temperature to the external, so that the water of high temperature discharged to the external through the relief valve 31 is reduced during boiling-up of the water in the tank 10 by the heat pump 20.
摘要翻译：要解决的问题：提供一种能够在适当地储存诸如加热水的热介质的同时将诸如水蒸气的气体排放到外部的罐装置。解决方案：在水加热器1中，该罐装置包括用于储存水的罐10，用于加热罐10中的水的热泵20，连接到罐10的上部的安全阀31和当罐中的压力达到第一规定压力或更高以释放罐10中的水蒸汽时，打开，连接到罐10的排出阀41，并且通过电子控制打开以在加热之前排出低温水，存储在罐10内部设置有用于电子控制排出阀41的控制器70，并且控制器70打开排出阀41以将低温水排出到外部，从而将高温水排放到通过热泵20在罐10中的水沸腾期间通过安全阀31的外部减少。（C）2012年，JPO和INPIT

10. 发明专利

JP2011127773A Water heater 有权
标题翻译：热水器
公开(公告)号：JP2011127773A
公开(公告)日：2011-06-30
申请号：JP2009283573
申请日：2009-12-15
申请人： Hitachi Appliances Inc , 日立アプライアンス株式会社
发明人： FUSHIKI TAKAYUKI , FUJITA HIDEKATSU
IPC分类号： F24H1/00 , F24D17/00 , F24H1/18
CPC分类号： F24H1/0081 , F24D17/0078 , F24D17/02 , F24D19/1051 , F24D2200/12 , F24D2220/08 , F24D2240/26 , F24H4/04 , Y02B30/12 , Y02B30/123 , Y10T137/6579 , Y10T137/85954
摘要： PROBLEM TO BE SOLVED: To provide a tank type water heater capable of effectively reducing use of a high-temperature liquid inside a tank. SOLUTION: The water heater includes a tank retaining the high-temperature liquid, and a heating means to produce the high-temperature liquid retained in the tank. A heat exchanger for heating supply water, which heats supply water to be supplied to a hot water supply terminal by a liquid existing in the lower part of the tank, is arranged in the lower part inside the tank. A hot water supply circuit leading the supply water to the hot water supply terminal is also arranged, and the hot water supply circuit is branched into a supply water heating passage passing through the heat exchanger for heating supply water and a bypass passage bypassing the heat exchanger for heating supply water. A hot water supply circuit control mechanism is provided to control flowing conditions of the supply water to the supply water heating passage and to the bypass passage. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够有效地减少罐内的高温液体的使用的罐式热水器。解决方案：热水器包括保持高温液体的罐和加热装置，以产生保留在罐中的高温液体。用于加热供水的热交换器，其设置在储罐内部的下部中，该供热水通过存储在罐的下部的液体加热供给到供热端的供水。还设置有将供水引导到热水供给端子的热水供给回路，热水供给回路分支成通过热交换器的供水加热通道，用于加热供水和绕过热交换器的旁通通路供暖用水。提供一种热水供给回路控制机构，用于控制供水向供水加热通路和旁通通路的流动状态。版权所有（C）2011，JPO＆INPIT

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