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1. 发明专利

JP2006046735A Air conditioner 有权
标题翻译：冷气机
公开(公告)号：JP2006046735A
公开(公告)日：2006-02-16
申请号：JP2004226429
申请日：2004-08-03
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ISHIBASHI AKIRA , OKAZAWA HIROKI , HIRAKAWA SEIJI , NAKAYAMA MASAHIRO , TANABE YOSHIHIRO , MAKINO HIROAKI , KANAZAWA HIROSHI , TANAKA MITSURU
IPC分类号： F24F13/30
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner having increased heat conductivity of a heat exchanger with a minimized blower input. SOLUTION: This air conditioner comprises a crossflow blower 4 taking air through an intake port and blowing through an outlet port, and the heat exchanger arranged in the middle of an air circuit from the intake port to the crossflow blower or in the middle of an air circuit from the crossflow blower to the outlet port. The heat exchanger includes a front-side heat exchanger 3a arranged on the front side within a casing, and a back-side heat exchanger 3b arranged on the back side within the casing. Each heat exchanger includes a number of fins 11 arranged in parallel at predetermined intervals so as to pass a gas among them, and a number of heat transfer tubes 2 inserted substantially at a right angle to the fins 1 to pass a fluid flow in the inner part. The upper end part of the crossflow blower 4 in the front-side heat exchanger 3a is formed so that the upper portion from the horizontal line is linear, and the lower part therefrom is curved so as to surround the circumference of the blower 4 with a substantially equal space therefrom. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有最小化的风扇输入的具有增加热交换器的导热性的空调。解决方案：该空气调节器包括横流风扇4，其通过进气口吸入空气并吹出出口，并且热交换器布置在空气回路的中间，从进气口至横流风机或中间从横流鼓风机到出口的空气回路。热交换器包括在壳体内配置在前侧的前侧热交换器3a和配置在壳体内侧的背面侧热交换器3b。每个热交换器包括以预定间隔平行布置以便在它们之间通过气体的多个翅片11和与散热片1基本上成直角插入的多个传热管2，以将内部的流体流通过部分。前侧热交换器3a中的横流鼓风机4的上端部形成为从水平线的上部为直线状，其下部弯曲成围绕鼓风机4的周边，基本相等的空间。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2006003079A Refrigerating air conditioner and control method for refrigerating air conditioner 有权
标题翻译：制冷空调器和制冷空调器的控制方法
公开(公告)号：JP2006003079A
公开(公告)日：2006-01-05
申请号：JP2005229279
申请日：2005-08-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SUMIDA YOSHIHIRO , NAKAYAMA MASAHIRO , HIRAKUNI SATORU , MAKINO HIROAKI
IPC分类号： F24F11/02 , F24F5/00 , F25B1/00 , F25B47/02
摘要： PROBLEM TO BE SOLVED: To solve a problem wherein it is difficult to obtain a high-safety and high-reliability refrigerating air conditioner, by using a combustible refrigerant imparting only a very small bad influence to the global environment as a refrigerant of a refrigeration cycle. SOLUTION: This refrigerating air conditioner has: a primary side cycle sequentially connecting a compressor, a heat source side heat exchanger, a throttle device and an intermediate heat exchanger to circulate the combustible refrigerant; and a secondary side cycle sequentially connecting a pump, a use side heat exchanger and the intermediate heat exchanger to circulate an incombustible refrigerant. Electric input of the pump and the compressor is detected with a preset setting value as a rotation speed of the pump, the rotation speed of the pump is changed, and electric input of the pump and the compressor is detected by operation of the changed rotation speed. By the change in the rotation speed and the detection of the electric input in the rotation speed, the pump is operated at the rotation speed when a total of the electric input of the pump and the compressor becomes small. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题为了解决难以获得高安全性和高可靠性的制冷空调的问题，通过使用仅对全球环境施加非常小的不良影响的可燃制冷剂作为制冷剂一个制冷循环。解决方案：该制冷空调具有：一次侧循环，其顺序地连接压缩机，热源侧热交换器，节流装置和中间热交换器，以使可燃制冷剂循环; 以及次级侧循环，其顺序地连接泵，利用侧热交换器和中间热交换器，以使不燃性制冷剂循环。以预设的设定值作为泵的旋转速度检测泵和压缩机的电输入，泵的转速改变，并且通过改变转速来检测泵和压缩机的电输入。通过旋转速度的变化和转速的电力输入的检测，当泵和压缩机的总输入量变小时，泵以转速运转。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2005265263A Heat-exchanger and air-conditioner 有权
标题翻译：换热器和空气调节器
公开(公告)号：JP2005265263A
公开(公告)日：2005-09-29
申请号：JP2004077448
申请日：2004-03-18
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ISHIBASHI AKIRA , YOSHIDA TAKAYUKI , NAKAYAMA MASAHIRO , MURAKAMI TAIJO , KAGA KUNIHIKO , IWAMOTO SHINICHI , NAKADEGUCHI SHINJI
IPC分类号： F24F1/00 , F28F9/02
摘要： PROBLEM TO BE SOLVED: To provide a heat-exchanger and an air-conditioner equipped with a high efficiency by precluding dew splash by reducing a wind pressure loss owing to a simple header structure and preventing a thermal loss due to enhancement of the refrigerant side coefficient of heat transfer and a heat-exchange of refrigerants with one another.
SOLUTION: The heat-exchanger and the air-conditioner are equipped with a plurality of fins 5 arranged in parallel along the air flowing direction, a plurality of heat exchanger tube groups arranged perpendicularly to the fins and admitting flowing of refrigerant internally, and a first header 12 and a second header 13 connected with the ends of the heat exchanger tube groups, wherein the first and second headers have each two sorts of partitioning plates 14 and 15 to make partitioning in the stepping direction into a plurality of header chambers, and the heat exchanger tube groups are divided into a plurality of refrigerant circuits by one-side partitioning plates 14b and 15b of the first and second headers, and the heat exchanger tube groups 3d1 and 4a1 in the refrigerant influx position at the time of refrigerant evaporating in one of the refrigerant circuits as divided and the heat exchanger tube groups 3d2 and 4a2 in the refrigerant outflow position at the time of refrigerant evaporating in the other refrigerant circuit are arranged upstream and downstream in the air flow in such a way as overlapping one over another.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决问题：为了提供一种具有高效率的热交换器和空调器，通过减少由于简单的集管结构导致的风压损失，并防止由于增加的热损失而导致的热损失制冷剂侧热传递系数和制冷剂彼此的热交换。解决方案：热交换器和空调装置具有沿着空气流动方向平行设置的多个翅片5，与散热片垂直布置并允许制冷剂内部进入的多个热交换器管组，以及与热交换器管组的端部连接的第一集管12和第二集管13，其中第一和第二集管具有两种分隔板14和15，以使得在步进方向上分隔成多个集管室，并且通过第一和第二集管的单侧分隔板14b和15b将热交换器管组分成多个制冷剂回路，并且在制冷剂时制冷剂流入位置中的热交换器管组3d1和4a1 在一个制冷剂回路中被分流蒸发，并且在制冷剂ev时制冷剂流出位置中的热交换器管组3d2和4a2 在另一个制冷剂回路中的悬挂以空气流的上游和下游的方式布置成彼此重叠。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2005076983A Air conditioning system 审中-公开
标题翻译：空调系统
公开(公告)号：JP2005076983A
公开(公告)日：2005-03-24
申请号：JP2003308182
申请日：2003-09-01
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： WAKAMOTO SHINICHI , NAKAYAMA MASAHIRO , MAKINO HIROAKI , SAITO SUNAO
IPC分类号： F25B1/00 , F25B41/06
CPC分类号： F25B2400/13 , F25B2400/23
摘要： PROBLEM TO BE SOLVED: To provide an air conditioning system capable of improving the operation efficiency in cooling and shortening a necessary time for refrigerant recovery in refrigerant recovery.
SOLUTION: The air conditioning system comprises a compressor 1, a four-way valve 2, an outdoor heat exchanger 3, a flow control means 4, a gas-liquid separator 5, a first opening and closing valve 6, an indoor heat exchanger 8, and a second opening and closing valve 10, which are connected in order through a refrigerant pipe 11. This air conditioning system further comprises a bypass pipe 12 for returning at least part of the refrigerant vapor in the gas-liquid separator 5 to the intake side of the compressor 2 at the time of cooling. The bypass pipe 12 comprises a pressure control means 20 having a refrigerant passage having a refrigerant inlet from the gas-liquid separator 5 and a refrigerant outlet to the compressor 1. The pressure control means 20 closes the refrigerant passage when the pressure difference between the refrigerant inlet and the refrigerant outlet exceeds a predetermined set value, and opens the refrigerant passage when the difference is the set value or less.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决问题：提供一种能够提高冷却运转效率并缩短制冷剂回收中的制冷剂回收所需时间的空调系统。解决方案：空调系统包括压缩机1，四通阀2，室外热交换器3，流量控制装置4，气液分离器5，第一开闭阀6，室内热交换器8和第二开闭阀10，其通过制冷剂管11依次连接。该空调系统还包括旁通管12，用于使气液分离器5中的至少一部分制冷剂蒸气返回在冷却时到达压缩机2的吸入侧。旁通管12包括压力控制装置20，该压力控制装置20具有从气液分离器5的制冷剂入口和到压缩机1的制冷剂出口的制冷剂通道。压力控制装置20关闭制冷剂通道，当制冷剂入口和制冷剂出口超过预定的设定值，并且当该差为设定值或更小时打开制冷剂通道。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2004116885A Handling method and refrigerant recovering mechanism for refrigeration air-conditioning cycle device 有权
公开(公告)号：JP2004116885A
公开(公告)日：2004-04-15
申请号：JP2002280502
申请日：2002-09-26
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NAKAYAMA MASAHIRO , MAKINO HIROAKI , TANABE YOSHIHIRO
IPC分类号： F25B1/00 , F25B45/00
CPC分类号： F25B2345/002 , F25B2345/004 , F25B2400/12
摘要： PROBLEM TO BE SOLVED: To surely recover even a minute amount of refrigerant in moving to surely prevent the unsafety caused by leakage of the refrigerant in a refrigeration air conditioner using the combustible refrigerant, and the harmful refrigerant of even a minute amount. SOLUTION: A refrigerant recovering container is connected to a discharge port of a vacuum pump to recover the refrigerant discharged from the discharge port, when the refrigerant used in the refrigeration air conditioning cycle is recovered in an outdoor machine by pumping-down operation, and then the refrigerant remaining in an indoor machine and a connection pipe is recovered by using the vacuum pump. Whereby this handling method of the refrigeration cycling device of high safety, effective even for the protection of the global environment can be achieved. COPYRIGHT: (C)2004,JPO

6. 发明专利

JP2004108601A Heat exchanger and air conditioner using heat exchanger 有权
公开(公告)号：JP2004108601A
公开(公告)日：2004-04-08
申请号：JP2002268031
申请日：2002-09-13
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MURAKAMI TAIJO , KAGA KUNIHIKO , WAKAMOTO SHINICHI , NAKAYAMA MASAHIRO , ISHIBASHI AKIRA , NAKADEGUCHI SHINJI
IPC分类号： F28F9/02 , F25B39/00 , F28D1/04 , F28F9/22
CPC分类号： F28D1/0426 , F28F9/0204
摘要： PROBLEM TO BE SOLVED: To provide a heat exchanger capable of preventing generation splashing of dew by uniformly cooling air along overall length of the heat exchanger and dehumidifying it and an air conditioner using this heat exchanger. SOLUTION: Heat exchanger groups 3d1, 4a1 at a refrigerant inflow position of a refrigerant circuit and heat exchanger tube groups 3d2, 4a2 at a refrigerant outflow position of another refrigerant circuit adjacent to the refrigerant circuit are arranged so that they are overlapped on each other on the windward side and the leeward side in the air current direction on the heat exchanger on which a plurality of the refrigerant circuits connecting a plurality of the heat exchanger tube groups to each other through a header are arranged in parallel. Consequently, it is possible to sufficiently cool the air and dehumidify it , and accordingly, it is possible to prevent the dew flying. COPYRIGHT: (C)2004,JPO

7. 发明专利

JP2003214791A HEAT EXCHANGER 审中-公开
公开(公告)号：JP2003214791A
公开(公告)日：2003-07-30
申请号：JP2002014039
申请日：2002-01-23
申请人： MITSUBISHI ELECTRIC CORP
发明人： NAKAJIMA SHINJI , NAKADEGUCHI SHINJI , HISAMORI YOICHI , KAGA KUNIHIKO , NAKAYAMA MASAHIRO , ISHIBASHI AKIRA , SAITO SUNAO , YOSHIKAWA TOSHIAKI
IPC分类号： F28F1/02 , F28F1/32
摘要： PROBLEM TO BE SOLVED: To improve the heat conductivity between a heat exchanging pipe and a fin in a heat exchanger to be assembled by brazing the heat exchanging pipe and the fin to each other. SOLUTION: The brazing filler metal 2 to be used for bonding a fin collar 5 projected from the fin 3 and the heat exchanging pipe 1 is unevenly distributed in the outer surface of the heat exchanging pipe 1 by partially bringing it in contact or bonding it with/to the outer surface of the heat exchanging pipe 1. In the condition that the heat exchanging pipe 1 is fitted in the fin collar 5, the brazing filler metal 2 brought in contact or bonded with/to the heat exchanging pipe 1 is heated for melting, and a clearance between the heat exchanging pipe 1 and the fin collar 5 is filled with the brazing filler metal 2 to bond the heat exchanging pipe 1 and the fin collar 5 to each other with the filled brazing filler metal 2. COPYRIGHT: (C)2003,JPO

8. 发明专利

JP2001141333A BRANCH PIPE 失效
公开(公告)号：JP2001141333A
公开(公告)日：2001-05-25
申请号：JP32600299
申请日：1999-11-16
申请人： MITSUBISHI ELECTRIC CORP
发明人： MURAKAMI TAIJO , KOTO SATORU , KAGA KUNIHIKO , NAKAYAMA MASAHIRO , ISHIBASHI AKIRA
IPC分类号： F16L41/02 , F25B41/00
摘要： PROBLEM TO BE SOLVED: To obtain a branch pipe for branching refrigerant uniformly at low manufacturing cost. SOLUTION: The branch pipe 1 comprises a fluid inlet section 1a, a branch connecting section 1d for branching fluid from the inlet section 1a to a plurality of channels, and a plurality of outlet sections 1b, 1c for delivering the fluid through the branch connecting section 1d. A barrier wall 5 for splitting the fluid to a plurality of channels is provided in the pipe between the inlet section 1a and the branch connecting section 1d along the gravitational direction fixed with the branch pipe 1.

9. 发明专利

JP2001116396A REFRIGERANT DISTRIBUTOR, REFRIGERATION CYCLE AND AIR CONDITIONER USING IT 失效
公开(公告)号：JP2001116396A
公开(公告)日：2001-04-27
申请号：JP29350599
申请日：1999-10-15
申请人： MITSUBISHI ELECTRIC CORP
发明人： MOCHIZUKI ATSUSHI , NAKAYAMA MASAHIRO , HIRAKUNI SATORU , NAKADEGUCHI SHINJI
IPC分类号： F16L41/03 , F25B41/00
摘要： PROBLEM TO BE SOLVED: To distribute a refrigerant uniformly regardless of the installation conditions of a refrigerant distributor when a bend is present in the piping for a gas-liquid two-phase refrigerant at the inlet of an inlet pipe by stirring and mixing the refrigerant not to cause separation of gas-liquid regardless of shifted flow and to suppress noises being generated when the gas-liquid two-phase refrigerant passes through the distributor. SOLUTION: In a refrigerant distributor for distributing a gas-liquid two-phase refrigerant from an inlet pipe to a plurality of outlet pipes through a mixing section, a branch space and a branch section, a relation L1/D1>2 is satisfied between the inside diameter D1(m) and the length L1(m) of the mixing section and a relation ΔP/W

10. 发明专利

JP2001041540A AIR-CONDITIONER AND METHOD FOR CONTROLLING THE AIR- CONDITIONER 失效
公开(公告)号：JP2001041540A
公开(公告)日：2001-02-16
申请号：JP21847299
申请日：1999-08-02
申请人： MITSUBISHI ELECTRIC CORP
发明人： TAKAMARU KOICHI , NAKAYAMA MASAHIRO , AOKI KATSUYUKI , YOSHIKAWA TOSHIAKI , AOYAMA NAOKI
IPC分类号： F24F11/02 , F24F11/75 , F24F11/047
摘要： PROBLEM TO BE SOLVED: To prevent the occurrence of trouble that the state of a refrigerating cycle is hardly grasped accurately, even when a set function for setting humidity in a multistage is employed, the set function is not sufficiently effectively utilized, and amenity is low. SOLUTION: This air-conditioner comprises a refirgerating cycle having a compressor 1, a four-way valve 2, an indoor heat-exchanger 5, and outdoor heat-exchanger 3 interconnected and a refirgerant having a pressure loss of a refrigerant lower than that of an R22 refrigerant, an indoor fan 6 to generate an air flow passing through the indoor heat exchanger 5, an outdoor fan 7 to generate an air flow passing through the outdoor heat-exchanger, a humidity determining part 8c to determine set humidity in a multistage and a control part 8 to control the refrigerating cycle, the indoor fan 7, or the outdoor fan 6 so that humidity is adjusted to a set value.

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