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1. 发明申请

US20100154447A1 AIR CONDITIONER 有权
标题翻译：冷气机
公开(公告)号：US20100154447A1
公开(公告)日：2010-06-24
申请号：US12293739
申请日：2007-03-19
申请人： Manabu Yoshimi , Tadafumi Nishimura
发明人： Manabu Yoshimi , Tadafumi Nishimura
IPC分类号： F25B45/00 , F25B41/00
CPC分类号： F25B49/005 , F25B13/00 , F25B2313/0233 , F25B2600/21 , F25B2700/04 , F25B2700/21
摘要： An air conditioner performs a refrigerant quantity judging operation to judge the refrigerant quantity in a refrigerant circuit, and includes a heat source unit, utilization units, expansion mechanisms, a first refrigerant gas pipe, a second refrigerant gas pipe, a refrigerant liquid pipe, switching mechanisms, temperature detecting means, and a controller. The heat source unit includes a compression means and a heat source side heat exchanger. The first refrigerant gas pipe is connected to the discharge side of the compression means. The switching mechanism can switch between a first state and a second state. The temperature detecting means are mounted on the first refrigerant gas pipe, and configured to detect a refrigerant temperature on the first refrigerant gas pipe side and output a refrigerant temperature detection value. The controller corrects the refrigerant quantity judged by a refrigerant quantity judging operation based on the refrigerant temperature detection value.
摘要翻译：空调机进行制冷剂量判定运转，判断制冷剂回路中的制冷剂量，包括热源单元，利用单元，膨胀机构，第一制冷剂气体管道，第二制冷剂气体管道，制冷剂液体管道，开关机构，温度检测装置和控制器。热源单元包括压缩装置和热源侧热交换器。第一制冷剂气体管道连接到压缩装置的排出侧。切换机构可以在第一状态和第二状态之间切换。温度检测装置安装在第一制冷剂气体管上，用于检测第一制冷剂气体管侧的制冷剂温度并输出制冷剂温度检测值。控制器基于制冷剂温度检测值来校正由制冷剂量判定运转判定的制冷剂量。

2. 发明申请

US20090211282A1 Hot water supply system 失效
标题翻译：热水供应系统
公开(公告)号：US20090211282A1
公开(公告)日：2009-08-27
申请号：US11630617
申请日：2005-07-01
申请人： Tadafumi Nishimura , Takahiro Yamaguchi
发明人： Tadafumi Nishimura , Takahiro Yamaguchi
IPC分类号： F25B27/00 , F25B7/00
CPC分类号： F25B30/06 , F24D17/02 , F24F5/0096 , F24F2221/183 , F25B7/00 , F25B13/00 , F25B2309/061 , F25B2313/003
摘要： A hot water supply system (10) is provided which includes a first refrigerant circuit (20), an intermediate temperature water circuit (40), a second refrigerant circuit (60), and a high temperature water circuit (80). The first refrigerant circuit (20) constitutes a heat pump which uses the outdoor air as a heat source, and heats heat transfer water in the intermediate temperature water circuit (40). In the intermediate temperature water circuit (40), the heat transfer water is circulated between a radiator (45) for floor heating and a first heat exchanger (30) and between a second heat exchanger (50) and the first heat exchanger (30). The second refrigerant circuit (60) constitutes a heat pump which uses the heat transfer water in the intermediate temperature water circuit (40) as a heat source, and heats water for hot water supply in the high temperature water circuit (80).
摘要翻译：提供一种热水供应系统（10），其包括第一制冷剂回路（20），中温水回路（40），第二制冷剂回路（60）和高温水回路（80）。第一制冷剂回路（20）构成使用室外空气作为热源的热泵，并加热中间温度水回路（40）中的传热水。在中间温度水回路（40）中，传热水在用于地板加热的散热器（45）和第一热交换器（30）之间以及在第二热交换器（50）和第一热交换器（30）之间循环，。第二制冷剂回路（60）构成使用中温水回路（40）中的传热水作为热源的热泵，并在高温水回路（80）中加热水供热水供给。

3. 发明申请

US20090031739A1 AIR CONDITIONER 审中-公开
标题翻译：冷气机
公开(公告)号：US20090031739A1
公开(公告)日：2009-02-05
申请号：US12281064
申请日：2007-03-08
申请人： Shinichi Kasahara , Manabu Yoshimi , Tadafumi Nishimura
发明人： Shinichi Kasahara , Manabu Yoshimi , Tadafumi Nishimura
IPC分类号： F25B41/00 , F25B39/02 , F25B41/06
CPC分类号： F25B13/00 , F25B49/005 , F25B2313/02741 , F25B2400/04 , F25B2400/13 , F25B2500/19 , F25B2600/21 , F25B2700/04
摘要： An air conditioner performs a refrigerant quantity judging operation to judge the refrigerant quantity in a refrigerant circuit, and includes a heat source unit, utilization units, expansion mechanisms, a first refrigerant gas pipe, a second refrigerant gas pipe, a refrigerant liquid pipe, switching mechanisms, bypass circuits, bypass circuit opening/closing element, and a controller. The switching mechanism can switch between a first state and a second state. The bypass circuit opening/closing element are provided in the bypass circuits that bypass the first refrigerant gas pipe to the second refrigerant gas pipe, and open and close the bypass circuits. The controller opens the bypass circuit opening/closing element before performing the refrigerant quantity judging operation.
摘要翻译：空调机进行制冷剂量判定运转，判断制冷剂回路中的制冷剂量，包括热源单元，利用单元，膨胀机构，第一制冷剂气体管道，第二制冷剂气体管道，制冷剂液体管道，开关机构，旁路电路，旁路电路开闭元件和控制器。切换机构可以在第一状态和第二状态之间切换。旁路回路开闭元件设置在旁路回路中，该旁通回路旁路第一制冷剂气体管道到第二制冷剂气体管道，并且打开和关闭旁路回路。在执行制冷剂量判定操作之前，控制器打开旁通回路打开/关闭元件。

4. 发明申请

US20100275626A1 AIR CONDITIONING APPARATUS AND REFRIGERANT QUANTITY DETERMINATION METHOD 有权
标题翻译：空调设备和制冷剂数量测定方法
公开(公告)号：US20100275626A1
公开(公告)日：2010-11-04
申请号：US12808729
申请日：2008-12-24
申请人： Tadafumi Nishimura
发明人： Tadafumi Nishimura
IPC分类号： F25B45/00 , F25B27/00 , F25B41/00
CPC分类号： F25B49/005 , F25B13/00 , F25B2313/005 , F25B2313/02741 , F25B2400/13 , F25B2400/16 , F25B2600/2519 , F25B2700/04 , F25B2700/2108
摘要： An air conditioning apparatus includes a refrigerant circuit, first and second shut-off mechanisms, a communication pipe and a refrigerant detection mechanism. The refrigerant circuit is configured to at least perform a cooling operation. The first shut-off mechanism is downstream of the receiver and upstream of the liquid refrigerant connection pipe when the cooling operation is performed. The second shut-off mechanism is downstream of the heat source-side heat exchanger and upstream of the receiver when the cooling operation is performed. The communication pipe interconnects the refrigerant circuit between the first and second shut-off mechanisms, and the refrigerant circuit on the suction side of the compressor. The refrigerant detection mechanism is upstream of the second shut-off mechanism when the cooling operation is performed. The refrigerant detection mechanism is configured to detect a state quantity relating to the quantity of the refrigerant existing on the upstream side of the second shut-off mechanism.
摘要翻译：空调装置包括制冷剂回路，第一和第二切断机构，连通管和制冷剂检测机构。制冷剂回路构成为至少进行冷却运转。当执行冷却操作时，第一关闭机构在接收器的下游和液体制冷剂连接管的上游。当执行冷却操作时，第二切断机构在热源侧热交换器的下游和接收器的上游。连通管将第一和第二切断机构之间的制冷剂回路与压缩机的吸入侧的制冷剂回路相互连接。当执行冷却操作时，制冷剂检测机构在第二切断机构的上游。制冷剂检测机构被配置为检测与存在于第二截止机构的上游侧的制冷剂量有关的状态量。

5. 发明申请

US20090314017A1 AIR CONDITIONER 审中-公开
标题翻译：冷气机
公开(公告)号：US20090314017A1
公开(公告)日：2009-12-24
申请号：US12096967
申请日：2006-12-13
申请人： Tadafumi Nishimura , Shinichi Kasahara
发明人： Tadafumi Nishimura , Shinichi Kasahara
IPC分类号： F25B45/00 , F25B43/00
CPC分类号： F25B49/005 , F25B13/00 , F25B45/00 , F25B2313/0233 , F25B2313/0253 , F25B2313/02743 , F25B2313/0315 , F25B2400/01 , F25B2400/075 , F25B2500/19 , F25B2500/222 , F25B2500/28 , F25B2700/04
摘要： An air conditioner is provided with a refrigerant circuit, refrigerant stagnation judging means, and an operation controller. The refrigerant circuit is a circuit that includes a heat source unit, a refrigerant communication pipe, an expansion mechanism, and a utilization unit. A heat source unit and a utilization unit are connected to the refrigerant fluid communication pipes. The heat source unit has a compression mechanism and a heat source side heat exchanger. The refrigerant stagnation judging means can judge whether the refrigerant has stagnated inside the compression mechanism. The operation controller performs a refrigerant de-stagnation operation for eliminating stagnation of the refrigerant in the case that the refrigerant stagnation judging means has judged in advance that the refrigerant inside the compression mechanism has stagnated when a refrigerant quantity judging operation is carried out for judging the refrigerant quantity inside the refrigerant circuit.
摘要翻译：空气调节器设置有制冷剂回路，制冷剂滞留判断装置和操作控制器。制冷剂回路是包括热源单元，制冷剂连通管，膨胀机构和利用单元的回路。热源单元和利用单元连接到制冷剂流体连通管。热源单元具有压缩机构和热源侧热交换器。制冷剂停滞判断装置能够判断制冷剂是否滞留在压缩机构的内部。操作控制器执行制冷剂停滞操作，以消除制冷剂停滞判断装置在执行制冷剂量判定操作时判断为压缩机构内部的制冷剂已经停止的情况下的制冷剂滞留制冷剂回路内的制冷剂量。

6. 发明申请

US20090126380A1 AIR CONDITIONER 有权
标题翻译：冷气机
公开(公告)号：US20090126380A1
公开(公告)日：2009-05-21
申请号：US12096833
申请日：2006-12-12
申请人： Tadafumi Nishimura , Shinichi Kasahara
发明人： Tadafumi Nishimura , Shinichi Kasahara
IPC分类号： F25B45/00 , F25B1/00
CPC分类号： F25B13/00 , F25B49/005 , F25B2313/006 , F25B2313/0233 , F25B2313/02741 , F25B2313/0293 , F25B2313/0312 , F25B2313/0313 , F25B2313/0314 , F25B2313/0315
摘要： An air conditioner includes a refrigerant circuit, an operation controlling section, a stability judging section, a refrigerant quantity judging section, and a condition changing section. The operation controlling section is capable of performing a refrigerant quantity judging operation to control constituent equipment to reach a predetermined target control value. The stability judging section judges whether or not the refrigerant quantity judging operation has stabilized. The refrigerant quantity judging section judges the adequacy of the refrigerant quantity in the refrigerant circuit by using an operation state quantity of constituent equipment or refrigerant flowing in the refrigerant circuit when it is judged that the refrigerant quantity judging operation has stabilized. The condition changing section changes the target control value in the refrigerant quantity judging operation when it is judged that the refrigerant quantity judging operation has not stabilized.
摘要翻译：空调机包括制冷剂回路，运转控制部，稳定判定部，制冷剂量判定部，条件变更部。操作控制部能够进行制冷剂量判定动作，控制构成设备达到规定的目标控制值。稳定判定部判定制冷剂量判定动作是否稳定。当判断制冷剂量判定动作稳定时，制冷剂量判断部通过使用在制冷剂回路中流动的构成设备或制冷剂的运转状态量来判断制冷剂回路中的制冷剂量的合适性。当判断出制冷剂量判定动作不稳定时，条件变更部变更制冷剂量判定动作中的目标控制值。

7. 发明申请

US20090126379A1 AIR CONDITIONER 有权
标题翻译：冷气机
公开(公告)号：US20090126379A1
公开(公告)日：2009-05-21
申请号：US12096693
申请日：2006-12-12
申请人： Takahiro Yamaguchi , Tadafumi Nishimura , Manabu Yoshimi , Shinichi Kasahara
发明人： Takahiro Yamaguchi , Tadafumi Nishimura , Manabu Yoshimi , Shinichi Kasahara
IPC分类号： F25B45/00 , F25B1/00 , F25D17/06
CPC分类号： F25B13/00 , F25B45/00 , F25B49/005 , F25B2313/023 , F25B2313/02741 , F25B2400/13 , F25B2500/19 , F25B2600/13 , F25B2600/21 , F25B2700/04 , Y02B30/745
摘要： An air conditioner includes a refrigerant circuit, a refrigerant quantity calculating section, and a refrigerant quantity judging section. The refrigerant circuit is configured by the interconnection of a compressor, an outdoor heat exchanger, and an indoor heat exchanger. The refrigerant quantity calculating section uses a relational expression between the refrigerant quantity in each portion of the refrigerant circuit when the refrigerant circuit is divided into a plurality of portions and an operation state quantity of constituent equipment or refrigerant flowing in the refrigerant circuit in order to calculate the refrigerant quantity in each portion from the operation state quantity of constituent equipment or refrigerant flowing in the refrigerant circuit. The refrigerant quantity judging section uses the refrigerant quantity in each portion calculated by the refrigerant quantity calculating section in order to judge the adequacy of the refrigerant quantity in the refrigerant circuit.
摘要翻译：空调机包括制冷剂回路，制冷剂量计算部和制冷剂量判定部。制冷剂回路由压缩机，室外热交换器和室内热交换器的互连构成。制冷剂量计算部使用将制冷剂回路分成多个部分的制冷剂回路的各部分的制冷剂量与在制冷剂回路中流动的构成设备或制冷剂的运转状态量之间的关系式来计算从制冷剂回路中流动的构成设备或制冷剂的运转状态量的各部分的制冷剂量。制冷剂量判定部使用由制冷剂量计算部计算出的各部分的制冷剂量，以判断制冷剂回路中的制冷剂量的合适性。

8. 发明申请

US20090044550A1 AIR CONDITIONER 审中-公开
标题翻译：冷气机
公开(公告)号：US20090044550A1
公开(公告)日：2009-02-19
申请号：US12096739
申请日：2006-12-12
申请人： Tadafumi Nishimura , Shinichi Kasahara , Manabu Yoshimi
发明人： Tadafumi Nishimura , Shinichi Kasahara , Manabu Yoshimi
IPC分类号： F25B45/00 , F25B1/00 , F25B41/00 , G05D23/00
CPC分类号： F25B49/005 , F25B2400/13 , F25B2500/19 , F25B2500/222 , F25B2600/021 , F25B2600/19 , F25B2600/2509 , F25B2700/04 , F25B2700/1933 , F25B2700/2101 , Y02B30/741
摘要： An error in judgment due to the difference in the temperature of the refrigerant at an outlet of a condenser is reduced when judging the adequacy of the refrigerant quantity. An air conditioner (1) includes a refrigerant circuit (10), operation controlling means, and refrigerant quantity judging means. The refrigerant circuit (10) is configured by the interconnection of a compressor (21), an outdoor heat exchanger (23), a subcooler (25), an indoor expansion valve (41, 51), and an indoor heat exchanger (42, 52). The operation controlling means can perform a refrigerant quantity judging operation in which performance of the subcooler (25) is controlled such that the temperature of the refrigerant sent from the subcooler (25) to the indoor expansion valve (41, 51) becomes constant. The refrigerant quantity judging means judges the adequacy of the refrigerant quantity in the refrigerant circuit (10) based on an operation state quantity of constituent equipment or refrigerant flowing in the refrigerant circuit (10) in the refrigerant quantity judging operation.
摘要翻译：当判断制冷剂量的充足性时，由于冷凝器出口处的制冷剂的温度差导致的判断误差降低。空调装置（1）包括制冷剂回路（10），运转控制装置和制冷剂量判定装置。制冷剂回路10由压缩机21，室外热交换器23，过冷却器25，室内膨胀阀41和室内热交换器42的互连构成， 52）。操作控制装置可以执行制冷剂量判定操作，其中控制从冷却器（25）向室内膨胀阀（41,51）输送的制冷剂的温度恒定的过冷却器（25）的性能。制冷剂量判定装置基于在制冷剂量判定运转中在制冷剂回路10中流动的构成设备或制冷剂的运转状态量来判断制冷剂回路10中的制冷剂量的合适性。

9. 发明授权

US09459032B2 Air conditioning apparatus and refrigerant quantity determination method 有权
标题翻译：空调设备和制冷剂量确定方法
公开(公告)号：US09459032B2
公开(公告)日：2016-10-04
申请号：US12918911
申请日：2009-02-26
申请人： Tadafumi Nishimura , Takahiro Yamaguchi
发明人： Tadafumi Nishimura , Takahiro Yamaguchi
IPC分类号： F25B45/00 , F25B1/00 , F25B49/00 , F25B13/00
CPC分类号： F25B49/005 , F25B13/00 , F25B2313/02741 , F25B2400/13 , F25B2500/19 , F25B2500/222 , F25B2600/2501 , F25B2600/2509 , F25B2700/04 , F25B2700/2115 , F25B2700/21152
摘要： An air conditioning apparatus and a refrigerant quantity determination method are provided, whereby a refrigerant quantity can be determined in a simple and accurate manner without compromising the reliability of a compressor. A refrigerant circuit (10) has a compressor (21), an outdoor heat exchanger (23) that functions as a condenser, an indoor expansion valve (41, 51), an indoor heat exchanger (42, 52) that functions as an evaporator, an indoor unit interconnection pipe (4b, 5b), a liquid refrigerant connection pipe (6), a gas refrigerant connection pipe (7), and an outdoor unit interconnection pipe (8). A controller (9) performs liquefaction control for liquefying refrigerant and placing the refrigerant in a portion extending from the indoor expansion valve (41, 51) to the outdoor heat exchanger (23). The controller (9) directly or indirectly regulates the flow rate of refrigerant flowing through a liquid bypass circuit (70) from a liquid reserving portion (Q) toward the gas refrigerant connection pipe (7). A liquid level detection sensor (39) detects at least one of either a volume of liquid refrigerant in the portion where liquid refrigerant accumulates and a physical quantity equivalent to the volume.
摘要翻译：提供一种空调装置和制冷剂量确定方法，由此可以简单而准确地确定制冷剂量，而不会影响压缩机的可靠性。制冷剂回路（10）具有作为冷凝器的压缩机（21），室外热交换器（23），室内膨胀阀（41,51），作为蒸发器起作用的室内热交换器（42,52）室内单元互连管（4b，5b），液体制冷剂连接管（6），气体制冷剂连接管（7）和室外单元互连配管（8）。控制器（9）进行用于液化制冷剂的液化控制，并且将制冷剂置于从室内膨胀阀（41,51）延伸到室外热交换器（23）的部分。控制器（9）直接或间接地调节从储液部分（Q）流向液体旁路回路（70）的制冷剂流向气体制冷剂连接管（7）的流量。液面检测传感器（39）检测液体制冷剂积聚的部分中的液体制冷剂的体积和与体积相当的物理量中的至少一个。

10. 发明授权

US08919139B2 Air conditioning apparatus 有权
标题翻译：空调设备
公开(公告)号：US08919139B2
公开(公告)日：2014-12-30
申请号：US12919045
申请日：2009-02-25
申请人： Takurou Yamada , Masato Kotake , Takahiro Yamaguchi , Tadafumi Nishimura
发明人： Takurou Yamada , Masato Kotake , Takahiro Yamaguchi , Tadafumi Nishimura
IPC分类号： G01K13/00 , F25B49/00 , F25B13/00
CPC分类号： F25B49/005 , F25B13/00 , F25B2700/04
摘要： An air conditioning apparatus includes a refrigerant circuit, an operation controlling device and a liquid refrigerant accumulation determining device. The refrigerant circuit has an accumulator. The operation controlling device performs normal operation control where each device of the heat source unit and the utilization unit are controlled in accordance with operating load of the utilization unit, and refrigerant quantity determination operation control where properness of quantity of the refrigerant in the refrigerant circuit is determined while performing the cooling operation. The liquid refrigerant accumulation determining device determines whether or not liquid refrigerant is accumulating in the accumulator. When it has been determined that liquid refrigerant is accumulating in the accumulator, liquid refrigerant accumulation control is performed to eliminate liquid refrigerant accumulation in the accumulator.
摘要翻译：空调装置包括制冷剂回路，运转控制装置和液体制冷剂积存判定装置。制冷剂回路具有蓄能器。操作控制装置执行正常操作控制，其中根据利用单元的操作负荷来控制热源单元和利用单元的每个装置，以及制冷剂量确定操作控制，其中制冷剂回路中的制冷剂的适当度为在执行冷却操作时确定。液体制冷剂积存确定装置确定液体制冷剂是否积聚在蓄能器中。当已经确定液体制冷剂积聚在蓄液器中时，进行液体制冷剂积聚控制以消除储液器中的液体制冷剂积聚。

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