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1. 发明专利

JP2004279029A Indoor unit 有权
公开(公告)号：JP2004279029A
公开(公告)日：2004-10-07
申请号：JP2004196198
申请日：2004-07-02
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ENDO TAKESHI , KOKUNI KENSAKU , YASUDA HIROSHI , URATA KAZUMIKI , TSUBOE HIROAKI , IZUSHI MINETOSHI
IPC分类号： F24F1/00 , F24F13/30 , F25B1/00 , F25B39/00 , F28F1/00
摘要： PROBLEM TO BE SOLVED: To provide an indoor unit having improved performance even in using alternative refrigerant to R22 and good assembling property and lower cost with a higher degree of freedom in a required heat exchanging capacity. SOLUTION: The indoor unit of a four-way blowing ceiling embedded type having a heat exchanger having two-line heat transfer pipes overlapping each other, wherein operating fluid for a refrigerating cycle is refrigerant containing two or more types of non-chlorine fluorocarbon mixture, comprises a liquid refrigerant side distributor 4 to which one of the two-line heat transfer pipes is connected, a gas refrigerant side distributor 3 to which the other is connected, and fins 1, 2 formed perpendicular to the direction of the pipe axes of the transfer pipes and efficiently arranged encircling a centrifugal blower 1. Multistage paths each of which is one round in the longitudinal direction of the heat exchanger pass through the two-line fins, respectively, and the heat transfer pipes are bent into square shapes after one path. COPYRIGHT: (C)2005,JPO&NCIPI

2. 发明专利

JP2003035289A Refrigeration unit and compressor 有权
标题翻译：制冷机组和压缩机
公开(公告)号：JP2003035289A
公开(公告)日：2003-02-07
申请号：JP2002137902
申请日：2002-05-14
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TSUBOE HIROAKI , NAKAYAMA SUSUMU , SARUTA AKIRA , URATA KAZUMIKI
IPC分类号： F04C23/02 , F04C18/02 , F04C28/06 , F04C28/26 , F04C29/00 , F04C29/12 , F25B1/04 , H02K1/27 , H02K21/14 , F04C29/10
CPC分类号： Y02B30/741
摘要： PROBLEM TO BE SOLVED: To provide a reliable refrigeration unit and compressor having high efficiency with a minimized power consumption and drivable by a commercial power source. SOLUTION: This refrigeration unit comprises the compressor 1 driven by an electric motor, a condenser 3 and an evaporator 7. A refrigerant gas is compressed in a compression chamber formed of a fixed scroll 60 and a rotating scroll 57, and the compressed refrigerant gas is passed through the electric motor and a compression vessel provided on the lower part of the electric motor and having an oil basin part 66 arranged therein, and discharged out of the compressor. The electric motor comprises a winding wound on the iron core of a rotator 52 to function as an induction electric motor and a permanent magnet magnetized on the iron core of the rotator 52 to function as a synchronous electric motor, and it is driven as the induction electric motor in starting and as the synchronous electric motor in steady operation.
摘要翻译：要解决的问题：提供可靠的制冷装置和压缩机，其具有高效率并且具有最小的功率消耗并且可由商业电源驱动。解决方案：该制冷单元包括由电动机驱动的压缩机1，冷凝器3和蒸发器7.制冷剂气体在由固定涡旋件60和旋转涡旋件57形成的压缩室中被压缩，压缩的制冷剂气体为通过电动机和设置在电动机的下部的压缩容器，并具有布置在其中的油槽部66，并从压缩机排出。电动机包括缠绕在转子52的铁芯上的绕组，用作感应电动机和磁化在转子52的铁芯上的永磁体，用作同步电动机，并且作为感应驱动电动机在启动时作为同步电动机稳定运行。

3. 发明专利

JP2003021436A Pipeline cleaning method, air conditioner and renewal method thereof 审中-公开
标题翻译：管道清洁方法，空气调节器及其再生方法
公开(公告)号：JP2003021436A
公开(公告)日：2003-01-24
申请号：JP2001202879
申请日：2001-07-04
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAYAMA SUSUMU , URATA KAZUMIKI , TSUBOE HIROAKI , MATSUMURA KENJI , KOKUNI KENSAKU , YAMADA SHINICHIRO
IPC分类号： F25B1/00 , F25B43/02 , F25B45/00 , F25B47/00
CPC分类号： F25B2400/18
摘要： PROBLEM TO BE SOLVED: To obtain a pipeline cleaning method, the renewal method of an air conditioner and an air conditioner which are high in reliability and capable of effecting a work in a short time at a low price.
SOLUTION: In the cleaning method of pipelines for a refrigerating cycle, the inside of pipelines 16, 17 are cleaned upon changing or replacing a refrigerant for a refrigerating cycle to which a heat source side unit 13 and a utilizing side unit 16 are connected through the pipelines. A cleaning unit 14 equipped with an oil separator 50 and a cooler 21 is connected to the refrigerating cycle to circulate the refrigerant while the oil separated by the oil separator 50 is returned to a compressor 1, without passing through the pipelines 16, 17, and the refrigerant out of the oil separator 50 is cooled by the cooler 21 and is returned into the refrigerating cycle.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：获得管道清洁方法，空调和空调的更新方法，其可靠性高，能够以低价格在短时间内进行工作。解决方案：在冷冻循环管道的清洗方法中，管线16,17的内部在更换或更换通过热源侧单元13和利用侧单元16连接的制冷循环的制冷剂时被清洁管道。配备有油分离器50和冷却器21的清洁单元14连接到制冷循环，以使制冷剂循环，同时由油分离器50分离的油返回到压缩机1，而不通过管道16,17和从油分离器50出来的制冷剂被冷却器21冷却，返回冷藏循环。

4. 发明专利

JP2007163024A Method of cleaning inside of duct, apparatus for collecting impurity, and method of implementation 审中-公开
标题翻译：清洁内部的方法，收集污染的装置和实施方法
公开(公告)号：JP2007163024A
公开(公告)日：2007-06-28
申请号：JP2005359778
申请日：2005-12-14
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TSUBOE HIROAKI , NAKAYAMA SUSUMU , NAKAMURA KENICHI , TAKENAKA HIROSHI
IPC分类号： F25B45/00 , F25B47/00
摘要： PROBLEM TO BE SOLVED: To efficiently collect impurities remaining in a reused connection duct, thereby reducing the load on the workers of reforming construction work, and to improve reliability and performance.
SOLUTION: After a first gas soluble with respect to the subject of cleaning that remains within a connection duct is pressurized and sealed in the connection duct, and after the gas is left standing in a pressurized state for a predetermined period of time (1202), the inside of the connection duct is blown by using a second gas (1204).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了有效地收集残留在再利用连接管道中的杂质，从而减轻了改造施工工作人员的负担，并提高了可靠性和性能。解决方案：在相对于保持在连接管道内的清洁对象的第一气体可溶性被加压并密封在连接管道中，并且在气体在加压状态下保持预定时间段之后 1202），通过使用第二气体（1204）吹送连接管道的内部。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2005106447A Air conditioner 审中-公开
标题翻译：冷气机
公开(公告)号：JP2005106447A
公开(公告)日：2005-04-21
申请号：JP2003344287
申请日：2003-10-02
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAMURA KENICHI , NAKAYAMA SUSUMU , TSUBOE HIROAKI , URATA KAZUMIKI , NAITO KOJI
IPC分类号： F24F13/20 , F24F1/00
摘要： PROBLEM TO BE SOLVED: To realize an air conditioner for securing required light even if no electricity is supplied. SOLUTION: The air conditioner 1 divides a compressor 14, a condenser 16, a pressure reducing device 20, and an evaporator 20 into an outdoor unit 10 and an indoor unit 12 for installation. A surface 26 of the indoor unit 10 is allowed to have a light storage function 28, thus temporarily lighting the dark inside of a room even if the supply of electricity is interrupted by power failure, or the like at night. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使没有供电也实现用于确保所需光的空调。解决方案：空调器1将压缩机14，冷凝器16，减压装置20和蒸发器20分成室外机10和室内机12。室内单元10的表面26被允许具有光存储功能28，因此即使在夜间由于停电等而中断供电也暂时照亮室内的黑暗。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004317033A Pipe cleaning method, cleaning device and outdoor unit 有权
标题翻译：管道清洁方法，清洁装置和室外单元
公开(公告)号：JP2004317033A
公开(公告)日：2004-11-11
申请号：JP2003112299
申请日：2003-04-17
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SHIMODA NAONARI , TSUBOE HIROAKI , NAITO KOJI
IPC分类号： F25B47/00
摘要： PROBLEM TO BE SOLVED: To clean a pipe in a short time with a small quantity of cleaning refrigerants even in an air conditioner and a refrigerator with complicated in connection-piping, many branches, and different in thickness of pipe diameters and the length of the pipes.
SOLUTION: This pipe cleaning method circulates a refrigerant in a liquid connecting pipe 5 and a gas connecting pipe 4, by operating a cleaning device 12 for constituting a refrigerating cycle, by successively connecting a compressor 121, an air heat exchanger 123, and a heat exchanger 124, to the air conditioner having a plurality of indoor units 11 having a heat exchanger 111, a flow regulating device 112, the liquid connecting pipe 5, and the gas connecting pipe 4; and operates the cleaning device 12, by successively changing the flow regulating device 112 for fully opening with every preset time, by fully opening the flow regulating device 112 of at least one indoor unit 11 among a plurality, and finely opening the others.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使在连接管道复杂的空调和冰箱中，也要在短时间内清洁管道，使用多个分支，管径不同，管道长度。解决方案：通过连续地连接压缩机121，空气热交换器123和管道清洁方法，通过操作用于构成制冷循环的清洁装置12，将液体连接管5和气体连接管4中的制冷剂循环。和热交换器124，具有多个具有热交换器111的室内单元11，流量调节装置112，液体连接管5和气体连接管4的空调器; 通过将多个室内单元11中的至少一个流量调节装置112完全打开，并且使其彼此精细地打开，通过依次改变每隔预定时间完全打开的流量调节装置112来操作清洁装置12。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2004286267A Refrigeration cycle device and its fault diagnosis method 有权
公开(公告)号：JP2004286267A
公开(公告)日：2004-10-14
申请号：JP2003076770
申请日：2003-03-20
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TSUBOE HIROAKI , NAKAYAMA SUSUMU , NAKAMURA KENICHI
IPC分类号： F25B49/02
摘要： PROBLEM TO BE SOLVED: To execute fault diagnosis of an air conditioner or a refrigerator, in particular, to accurately detect a wrong operation of an expansion device to improve reliability.
SOLUTION: This refrigeration cycle device is composed by sequentially connecting a refrigerant compressor 1, a condenser 3, a first expansion device 4, a second expansion device 112d and an evaporator 111d. Pressure variation on the side behind the second expansion device 112d with respect to the flowing direction of a refrigerant is detected by opening and closing the second expansion device 112d.
COPYRIGHT: (C)2005,JPO&NCIPI

8. 发明专利

JP2008196847A Refrigerating cycle apparatus 有权
标题翻译：制冷循环装置
公开(公告)号：JP2008196847A
公开(公告)日：2008-08-28
申请号：JP2008136171
申请日：2008-05-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TSUBOE HIROAKI , NAKAYAMA SUSUMU , NAITO KOJI , ENDO TAKESHI , IMAGAWA MASAHARU , KATOGI KENICHIRO
IPC分类号： F25B43/02 , F25B43/00
CPC分类号： F25B43/003 , F25B2500/01
摘要： PROBLEM TO BE SOLVED: To perform renewal work in a short time and to improve reliability and performance by efficiently recovering impurities remaining in a recycled connecting pipe.
SOLUTION: This refrigerating cycle apparatus includes: a compressor 1; a heat source unit side heat exchanger 3; a first expansion device 4; a second expansion device 21; and a use side heat exchanger 22, which are sequentially connected to one another, wherein a filter for capturing at least either refrigerant insoluble component or component weak soluble to the refrigerant is provided between the first expansion device 4 and the second expansion device 21.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过有效地回收残留在再循环连接管中的杂质，在短时间内进行更新工作并提高可靠性和性能。解决方案：该制冷循环装置包括：压缩机1; 热源单元侧热交换器3; 第一膨胀装置4; 第二膨胀装置21; 和使用侧热交换器22，其彼此依次连接，其中，在第一膨胀装置4和第二膨胀装置21之间设置有用于捕获至少一种致冷剂不溶性成分或可溶于致冷剂的成分的过滤器。 P>版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2006162081A Refrigerating cycle device 有权
标题翻译：制冷循环装置
公开(公告)号：JP2006162081A
公开(公告)日：2006-06-22
申请号：JP2004349249
申请日：2004-12-02
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TSUBOE HIROAKI , KOKUNI KENSAKU , NAKAYAMA SUSUMU
IPC分类号： F25B43/04 , B01J20/06 , F25B43/00
摘要： PROBLEM TO BE SOLVED: To improve reliability and performance, shorten construction time, and eliminate special work, while efficiently removing moisture, noncondensing gas, particularly, oxygen and carbon dioxide.
SOLUTION: In this refrigerating cycle device, a compressor 1, a heat source machine side heat exchanger 3, a first expansion device 4, a receiver 5, a second expansion device 21, and a use side heat exchanger 22 are successively connected. An adsorbent 33 for adsorbing oxygen is arranged between the first expansion device 4 and the second expansion device 21.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提高可靠性和性能，缩短施工时间，消除特殊工作，同时有效去除水分，非冷凝气体，特别是氧气和二氧化碳。解决方案：在该制冷循环装置中，连续地连接有压缩机1，热源机侧热交换器3，第一膨胀装置4，接收器5，第二膨胀装置21和利用侧热交换器22 。在第一膨胀装置4和第二膨胀装置21之间设置有用于吸附氧的吸附剂33.权利要求：（C）2006，JPO＆NCIPI

10. 发明专利

JP2005300006A Multiple type air conditioner 审中-公开
标题翻译：多种类型空调
公开(公告)号：JP2005300006A
公开(公告)日：2005-10-27
申请号：JP2004116312
申请日：2004-04-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAITO KOJI , NAKAYAMA SUSUMU , NAKAMURA KENICHI , URATA KAZUMIKI , TSUBOE HIROAKI , YOSHIDA YASUTAKA
IPC分类号： F25B13/00
摘要： PROBLEM TO BE SOLVED: To secure a cooling capacity that is necessary in a cooling indoor unit when a cooling operation indoor unit and a heating operation indoor unit are operated at the same time.
SOLUTION: The multiple type air conditioner is provided with a liquid connection pipe 22, a low pressure gas connection pipe 24, a high pressure gas connection pipe 26, and a cooling-heating change-over unit 30. The low pressure gas connection pipe 24 and the high pressure gas connection pipe 26 are connected to the cooling-heating change-over unit 30, and the liquid connection pipe 22 is connected to the indoor unit 40. When heating operation is carried out by connecting at least one of a plurality of indoor units 40 to the high pressure gas connection pipe 26 by the cooling-heating change-over unit 30, and connecting the other plurality of indoor units 40 to the low pressure gas connection pipe 4 by the cooling-heating change-over unit 30, opening of an indoor expansion valve 41 is increased and decreased in the indoor unit 40 carrying out cooling operation to compensate capacity.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：当制冷操作室内机和制热运转室内机同时工作时，确保制冷室内机所需的冷却能力。解决方案：多重型空调设有液体连接管22，低压气体连接管24，高压气体连接管26和冷却加热转换单元30.低压气体连接管24和高压气体连接管26连接到冷却 - 加热转换单元30，并且液体连接管22连接到室内单元40.当通过将至少一个通过冷却加热转换单元30将多个室内单元40连接到高压气体连接管26，并且通过冷却 - 加热切换将其它多个室内单元40连接到低压气体连接管4 在执行冷却操作的室内单元40中，单元30，室内膨胀阀41的打开被增大和减小以补偿容量。版权所有（C）2006，JPO＆NCIPI

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