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1. 发明授权

US06574986B2 Oil separator and outdoor unit with the oil separator 有权
公开(公告)号：US06574986B2
公开(公告)日：2003-06-10
申请号：US10088519
申请日：2002-03-29
申请人： Osamu Morimoto , Tomohiko Kasai , Hirofumi Koge , Hiroki Murakami
发明人： Osamu Morimoto , Tomohiko Kasai , Hirofumi Koge , Hiroki Murakami
IPC分类号： F25B4302
CPC分类号： F25B43/02 , B01D45/12 , F25B13/00 , F25B31/004 , F25B2313/0233 , F25B2400/02 , F25B2400/075 , F25B2500/01
摘要： An oil separator including a shell (50) with a cylindrical section and a taper section which narrows in a downward direction and which is formed as an integral part at the bottom of the cylindrical section, an outlet pipe (51) which is inserted through the top of the shell so that the central axis of the outlet pipe coincides with the central axis of the shell, a discharge pipe (52) connected to an opening provided at the bottom of the taper section, and an inlet pipe (53) connected tangentially to the inner surface of the cylindrical section for introducing a gas liquid two phase flow into the shell, wherein the distance between the shell opening (50a) and the tip (51a) of the outlet pipe inside the shell is at least 5 times the inside diameter of the inlet pipe (53).

2. 发明授权

US06510698B2 Refrigeration system, and method of updating and operating the same 有权
标题翻译：制冷系统及其更新和运行方法
公开(公告)号：US06510698B2
公开(公告)日：2003-01-28
申请号：US09572300
申请日：2000-05-17
申请人： Tomohiko Kasai , Mitsunori Kurachi , Hidekazu Tani , Moriya Miyamoto , Yoshihiro Sumida , Takashi Ikeda , Toshihiro Kikukawa , Shohichiroh Masuda , Hirofumi Koge
发明人： Tomohiko Kasai , Mitsunori Kurachi , Hidekazu Tani , Moriya Miyamoto , Yoshihiro Sumida , Takashi Ikeda , Toshihiro Kikukawa , Shohichiroh Masuda , Hirofumi Koge
IPC分类号： F25B4500
CPC分类号： F25B47/00 , F25B13/00 , F25B31/002 , F25B45/00 , F25B2313/023 , F25B2313/025 , F25B2313/0272 , F25B2313/02741 , F25B2400/18 , F25B2500/01
摘要： A heat source unit and refrigerant used in an existing refrigeration system are replaced with new refrigerant and a new heat source unit which employs the new refrigerant and is equipped with an oil separator and extraneous-matter trapping device. An indoor unit of the existing refrigeration system may be used, in its present form, or replaced with a new indoor unit. Further, connecting pipes used for the existing refrigeration are reused. After replacement of refrigerant, the refrigeration system performs an ordinary operation after having performed a cleaning operation. The extraneous-matter trapping device is provided in a refrigerant pipe close to the heat source unit or in a bypass channel connected to the refrigerant pipe close to the heat source unit. Alternatively, only the heat source unit of the existing refrigeration system is replaced with a new one, and there is employed refrigeration oil which has no mutual solubility with respect to HFC or has very low mutual solubility.
摘要翻译：在现有的制冷系统中使用的热源单元和制冷剂被新的制冷剂和采用新的制冷剂的新的热源单元替换，并且配备有油分离器和外来物质捕集装置。现有的制冷系统的室内单元可以以现在的形式使用，或者用新的室内单元替代。此外，用于现有制冷的连接管被重复使用。在更换制冷剂之后，在执行清洁操作之后，制冷系统进行常规操作。外部物质捕集装置设置在靠近热源单元的制冷剂管道中或与靠近热源单元的制冷剂管道连接的旁通通道中。或者，只有现有制冷系统的热源单元被新的替代，并且使用与HFC相互溶解性或相互溶解度非常低的冷冻机油。

3. 发明授权

US06247320B1 Refrigerating and air-conditioning apparatus and method of determining refrigerant composition of refrigerating and air-conditioning apparatus 有权
标题翻译：制冷空调装置及制冷空调装置制冷剂组成的确定方法
公开(公告)号：US06247320B1
公开(公告)日：2001-06-19
申请号：US09349714
申请日：1999-07-08
申请人： Yoshihiro Sumida , Takashi Okazaki , Tomohiko Kasai , Osamu Morimoto , Yoshio Ueno
发明人： Yoshihiro Sumida , Takashi Okazaki , Tomohiko Kasai , Osamu Morimoto , Yoshio Ueno
IPC分类号： F25B4100
CPC分类号： C09K5/045 , C09K2205/22 , C09K2205/34 , F25B9/006
摘要： In the detection of circulating compositions in the cycle of a non-azeotropic refrigerant composed of three or more kinds of refrigerants, there have been drawbacks in that the number of sensors required is large, and large errors are contained in the circulating composition which can be detected. To overcome these drawbacks, the refrigerating and air-conditioning apparatus comprises at least a compressor, a condenser, a pressure reducing device, and an evaporator, and in a refrigerant cycle which uses as a working refrigerant a non-azeotropic refrigerant composed of N kinds (N≧3) of refrigerants and is provided with composition detecting means for detecting the circulating compositions of the non-azeotropic refrigerant, circulating compositions are determined by using (N−2) relations on compositions among a first component to a j-th (2≦j≦N−1) component of the non-azeotropic refrigerant.
摘要翻译：在由三种或更多种制冷剂组成的非共沸混合制剂的循环中的循环组成的检测中，存在所需传感器数量大，缺点在循环组合物中的误差大，检测到。为了克服这些缺点，制冷空调装置至少包括压缩机，冷凝器，减压装置和蒸发器，并且在作为工作制冷剂的制冷剂循环中使用由N种组成的非共沸混合制冷剂（N> = 3），并且设有用于检测非共沸混合致冷剂的循环组成的组成检测装置，循环组合物通过使用第（N-3）组合物的第（N-3）（2 <= j <= N-1）成分。

4. 发明授权

US5941084A Control-information detecting apparatus for a refrigeration air-conditioner using a non-azeotrope refrigerant 失效
标题翻译：使用非共沸混合制冷剂的制冷空调机的控制信息检测装置
公开(公告)号：US5941084A
公开(公告)日：1999-08-24
申请号：US5813
申请日：1998-01-12
申请人： Yoshihiro Sumida , Takashi Okazaki , Osamu Morimoto , Tomohiko Kasai
发明人： Yoshihiro Sumida , Takashi Okazaki , Osamu Morimoto , Tomohiko Kasai
IPC分类号： F25B9/00 , F25B1/00
CPC分类号： F25B9/006 , F25B2400/0401 , F25B2600/2513 , F25B2700/1931 , F25B2700/197 , F25B2700/2101 , F25B2700/21163 , F25B2700/21174
摘要： A control-information detecting apparatus for a refrigeration air-conditioner using a non-azeotrope refrigerant is equipped with a temperature detector and a pressure detector at the refrigerating cycle of the air-conditioner, which cycle is formed by connecting a compressor, a condenser, a decompressing device, and an evaporator, to detect the temperature and the pressure of the refrigerant circulating the cycle for obtaining the circulation composition of the refrigerant with the composition computing unit thereof. The usual optimum operation of the cycle is thereby enabled even if the circulation composition of the refrigerant has changed.
摘要翻译：用于使用非共沸混合制冷剂的制冷空调的控制信息检测装置在空调器的制冷循环中配备有温度检测器和压力检测器，该循环是通过将压缩机，冷凝器，减压装置和蒸发器，用于检测制冷剂循环的循环的制冷剂的温度和压力，以获得制冷剂的循环组成。因此即使制冷剂的循环组成发生变化，循环的通常的最佳操作也是可以实现的。

5. 发明授权

US5735132A Control-information detecting apparatus for a refrigeration air-conditioner using a non-azeotrope refrigerant 失效
公开(公告)号：US5735132A
公开(公告)日：1998-04-07
申请号：US779851
申请日：1997-01-07
申请人： Yoshihiro Sumida , Takashi Okazaki , Osamu Morimoto , Tomohiko Kasai
发明人： Yoshihiro Sumida , Takashi Okazaki , Osamu Morimoto , Tomohiko Kasai
IPC分类号： F25B9/00 , F25B1/00
CPC分类号： F25B9/006 , F25B2400/0401 , F25B2600/2513 , F25B2700/1931 , F25B2700/197 , F25B2700/2101 , F25B2700/21163 , F25B2700/21174
摘要： A control-information detecting apparatus for a refrigeration air-conditioner using a non-azeotrope refrigerant is equipped with a temperature detector and a pressure detector at the refrigerating cycle of the air-conditioner, which cycle is formed by connecting a compressor, a condenser, a decompressing device, and an evaporator, to detect the temperature and the pressure of the refrigerant circulating the cycle for obtaining the circulation composition of the refrigerant with the composition computing unit thereof. The usual optimum operation of the cycle is thereby enabled even if the circulation composition of the refrigerant has changed.

6. 发明授权

US5987907A Refrigerant circulating system 失效
公开(公告)号：US5987907A
公开(公告)日：1999-11-23
申请号：US681488
申请日：1996-07-23
申请人： Osamu Morimoto , Fujio Hitomi , Moriya Miyamoto , Hidekazu Tani , Tomohiko Kasai , Yoshihiro Sumida , Hitoshi Iijima
发明人： Osamu Morimoto , Fujio Hitomi , Moriya Miyamoto , Hidekazu Tani , Tomohiko Kasai , Yoshihiro Sumida , Hitoshi Iijima
IPC分类号： F25B9/00 , F25B13/00 , F25B41/04 , F25B1/00 , F25B41/00
CPC分类号： F25B9/006 , F25B13/00 , F25B41/04 , F25B2313/023 , F25B2313/02741 , F25B2400/16 , F25B2400/24 , F25B2700/19 , F25B2700/2108
摘要： A refrigerant circulation system of the present invention includes a compressor, a condenser, a evaporator, a throttle device and a control unit. The control unit controls a composition of a refrigerant circulating in the refrigerant circulation system based on a temperature and pressure of the refrigerant of an inlet and outlet portion of the compressor, condenser, evaporator and throttle device. The control unit controls to open and close the throttle device to change the composition of the refrigerant circulating in the refrigerant circulation system.

7. 发明授权

US5737931A Refrigerant circulating system 失效
标题翻译：制冷循环系统
公开(公告)号：US5737931A
公开(公告)日：1998-04-14
申请号：US668155
申请日：1996-06-21
申请人： Yoshio Ueno , Osamu Morimoto , Tomohiko Kasai , Yoshihiro Sumida
发明人： Yoshio Ueno , Osamu Morimoto , Tomohiko Kasai , Yoshihiro Sumida
IPC分类号： F25B1/00 , F25B9/00 , F25B13/00 , F25B41/04
CPC分类号： F25B9/006 , F25B13/00 , F25B2313/023 , F25B2313/0294 , F25B2313/0314 , F25B2341/0661 , F25B2400/08 , F25B2600/02 , F25B2600/2513 , F25B2700/1931
摘要： A refrigerant circulating system using non-azeothropic mixture as refrigerant, which comprises: a main refrigerant circuit connected by a compressor, a fore-way valve, an outdoor heat-exchanger, a first throttling device, a plurality of indoor heat-exchangers, and a low-pressure receiver; a bypass circuit diverging from the discharge portion of the compressor, and extending through a composition detecting heat-exchanger and a second throttling device to a low-pressure portion; an outdoor fun attendant of the outdoor heat-exchanger; first temperature detector to detect a refrigerant temperature at the upstream of the second throttling device; second temperature detector to detect a refrigerant temperature at the downstream of the second throttling device; first pressure detector to detect a pressure at the downstream of the second throttling device; third temperature detector to detect temperature in the main circuit between the first throttling device and the indoor heat-exchanger; forth temperature detector to detect temperature at the low-pressure portion; second pressure detector to detect the pressure at the high-pressure portion; a composition calculating device for calculating the composition of the mixture refrigerant; a main controller for controlling the number of rotation of the compressor and the number of rotation of an outdoor fun; a throttle controller for controlling the opening of the first throttling device.
摘要翻译：一种使用非旋风混合物作为制冷剂的制冷剂循环系统，包括：通过压缩机，前置阀，室外热交换器，第一节流装置，多个室内热交换器连接的主制冷剂回路，以及低压接收器; 从压缩机的排出部分分流的旁路回路，通过组分检测热交换器和第二节流装置延伸到低压部分; 室外热交换器的户外乐趣服务员; 第一温度检测器，用于检测第二节流装置上游的制冷剂温度; 第二温度检测器，用于检测第二节流装置下游的制冷剂温度; 第一压力检测器，用于检测第二节流装置下游的压力; 第三温度检测器，用于检测第一节流装置和室内热交换器之间的主回路中的温度; 检测低压部分的温度; 第二压力检测器，用于检测高压部分的压力; 用于计算混合制冷剂的组成的组成计算装置; 用于控制压缩机的旋转次数和户外乐趣的旋转次数的主控制器; 用于控制第一节流装置的打开的节气门控制器。

8. 发明授权

US5626026A Control-information detecting apparatus for a refrigeration air-conditioner using a non-azeotrope refrigerant 失效
标题翻译：使用非共沸混合制冷剂的制冷空调机的控制信息检测装置
公开(公告)号：US5626026A
公开(公告)日：1997-05-06
申请号：US500551
申请日：1995-07-11
申请人： Yoshihiro Sumida , Takashi Okazaki , Osamu Morimoto , Tomohiko Kasai
发明人： Yoshihiro Sumida , Takashi Okazaki , Osamu Morimoto , Tomohiko Kasai
IPC分类号： F25B9/00 , F25B1/00
CPC分类号： F25B9/006 , F25B2400/0401 , F25B2600/2513 , F25B2700/1931 , F25B2700/197 , F25B2700/2101 , F25B2700/21163 , F25B2700/21174
摘要： A control-information detecting apparatus for a refrigeration air-conditioner using a non-azeotrope refrigerant is equipped with a temperature detector and a pressure detector at the refrigerating cycle of the air-conditioner, which cycle is formed by connecting a compressor, a condenser, a decompressing device, and an evaporator, to detect the temperature and the pressure of the refrigerant circulating the cycle for obtaining the circulation composition of the refrigerant with the composition computing unit thereof. The usual optimum operation of the cycle is thereby enabled even if the circulation composition of the refrigerant has changed.
摘要翻译：用于使用非共沸混合制冷剂的制冷空调的控制信息检测装置在空调器的制冷循环中配备有温度检测器和压力检测器，该循环是通过将压缩机，冷凝器，减压装置和蒸发器，用于检测制冷剂循环的循环的制冷剂的温度和压力，以获得制冷剂的循环组成。因此即使制冷剂的循环组成发生变化，循环的通常的最佳操作也是可以实现的。

9. 发明授权

US6032473A Refrigerant circulating system 失效
标题翻译：制冷循环系统
公开(公告)号：US6032473A
公开(公告)日：2000-03-07
申请号：US957738
申请日：1997-10-24
申请人： Osamu Morimoto , Fujio Hitomi , Moriya Miyamoto , Hidekazu Tani , Tomohiko Kasai , Yoshihiro Sumida , Hitoshi Iijima
发明人： Osamu Morimoto , Fujio Hitomi , Moriya Miyamoto , Hidekazu Tani , Tomohiko Kasai , Yoshihiro Sumida , Hitoshi Iijima
IPC分类号： F25B9/00 , F25B13/00 , F25B41/04 , F25B1/00
CPC分类号： F25B9/006 , F25B13/00 , F25B41/04 , F25B2313/023 , F25B2313/02741 , F25B2400/16 , F25B2400/24 , F25B2700/19 , F25B2700/2108
摘要： A refrigerant circulation system of the present invention includes a compressor, a condenser, a evaporator, a throttle device and a control unit. The control unit controls a composition of a refrigerant circulating in the refrigerant circulation system based on a temperature and pressure of the refrigerant of an inlet and outlet portion of the compressor, condenser, evaporator and throttle device. The control unit controls to open and close the throttle device to change the composition of the refrigerant circulating in the refrigerant circulation system.
摘要翻译：本发明的制冷剂循环系统包括压缩机，冷凝器，蒸发器，节流装置和控制单元。控制单元基于压缩机，冷凝器，蒸发器和节流装置的入口和出口部分的制冷剂的温度和压力来控制在制冷剂循环系统中循环的制冷剂的组成。控制单元控制打开和关闭节流装置以改变在制冷剂循环系统中循环的制冷剂的组成。

10. 发明授权

US5996358A Refrigerating and air-conditioning apparatus and method of determining refrigerant composition of refrigerating and air-conditioning apparatus 失效
标题翻译：制冷空调装置及制冷空调装置制冷剂组成的确定方法
公开(公告)号：US5996358A
公开(公告)日：1999-12-07
申请号：US84505
申请日：1998-05-27
申请人： Yoshihiro Sumida , Takashi Okazaki , Tomohiko Kasai , Osamu Morimoto , Yoshio Ueno
发明人： Yoshihiro Sumida , Takashi Okazaki , Tomohiko Kasai , Osamu Morimoto , Yoshio Ueno
IPC分类号： F25B1/00 , C09K5/04 , F25B9/00 , F25B49/02
CPC分类号： C09K5/045 , F25B9/006 , C09K2205/22 , C09K2205/34
摘要： In the detection of circulating compositions in the cycle of a non-azeotropic refrigerant composed of three or more kinds of refrigerants, there have been drawbacks in that the number of sensors required is large, and large errors are contained in the circulating composition which can be detected. To overcome these drawbacks, the refrigerating and air-conditioning apparatus comprises at least a compressor, a condenser, a pressure reducing device, and an evaporator, and in a refrigerant cycle which uses as a working refrigerant a non-azeotropic refrigerant composed of N kinds (N.gtoreq.3) of refrigerants and is provided with composition detecting means for detecting the circulating compositions of the non-azeotropic refrigerant, circulating compositions are determined by using (N-2) relations on compositions among a first component to a j-th (2.ltoreq.j.ltoreq.N-1) component of the non-azeotropic refrigerant.
摘要翻译：在由三种或更多种制冷剂组成的非共沸混合制剂的循环中的循环组成的检测中，存在所需传感器数量大，缺点在循环组合物中的误差大，检测到。为了克服这些缺点，制冷空调装置至少包括压缩机，冷凝器，减压装置和蒸发器，并且在作为工作制冷剂的制冷剂循环中使用由N种组成的非共沸混合制冷剂（N> / = 3），并且设置有用于检测非共沸混合致冷剂的循环组成的组成检测装置，循环组合物通过使用第（N-3）组分与第j- （2）=（1）式中，n为非共沸混合制冷剂。

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