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1. 发明专利

JP2008002711A Refrigerating device 有权
标题翻译：制冷装置
公开(公告)号：JP2008002711A
公开(公告)日：2008-01-10
申请号：JP2006170322
申请日：2006-06-20
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TAKEGAMI MASAAKI , NAKAJIMA HIROTAKA , TANIMOTO KENJI
IPC分类号： F25B1/00 , F25B5/02
摘要： PROBLEM TO BE SOLVED: To perform dissimilar-temperature evaporation in each evaporator while inhibiting pressure loss of a suction pipe of a compressor in a refrigerator wherein a plurality of evaporators are connected in parallel with one compressor. SOLUTION: The refrigerating device 1 comprises an air-conditioning heat exchanger 53, a refrigerating heat exchanger 43 for cooling a showcase, an outdoor heat exchanger 13 and a main compressor 11. In a cooling operation, a refrigerant discharged from the main compressor 11 and condensed by the outdoor heat exchanger 13 is partially evaporated in the refrigerating heat exchanger 43, flows to a first suction pipe 71 and is sucked to the main compressor 11 from a low-pressure port 11a, and the remaining refrigerant is evaporated in the air-conditioning heat exchanger 53, flows to a second suction pipe 72, and is sucked to the main compressor 11 from an intermediate pressure port 11b. Liquid injection pipes 67, 68 for supplying high-pressure liquid refrigerant are connected to the suction pipes 71, 72, and a first flow rate control portion 101 controls liquid refrigerant supply amounts of the suction pipes 71, 72. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：在各个蒸发器中进行不同温度的蒸发，同时抑制多个蒸发器与一个压缩机并联连接的冰箱中的压缩机的吸入管的压力损失。解决方案：制冷装置1包括空调热交换器53，用于冷却展示柜的制冷热交换器43，室外热交换器13和主压缩机11.在冷却操作中，从主体排出的制冷剂压缩机11被室外热交换器13冷凝，在制冷用热交换器43中被部分蒸发，流到第一吸入管71，从低压口11a被吸入主压缩机11，并将剩余的制冷剂蒸发空调热交换器53流到第二吸入管72，并从中间压力端口11b被吸入主压缩机11。用于供给高压液体制冷剂的液体喷射管67,68与吸入管71,72连接，第一流量控制部101控制吸入管71,72的液体制冷剂供给量。（COPYRIGHT：（ C）2008，JPO＆INPIT

2. 发明专利

JP2007315702A Freezer 有权
标题翻译：冰箱
公开(公告)号：JP2007315702A
公开(公告)日：2007-12-06
申请号：JP2006146923
申请日：2006-05-26
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TAKEGAMI MASAAKI , NOMURA KAZUHIDE , KONDO AZUMA , ODA YOSHINARI , TANIMOTO KENJI
IPC分类号： F25B13/00 , F24F11/02
CPC分类号： F25B13/00 , F25B1/10 , F25B2313/0231 , F25B2313/0233 , F25B2313/02743 , F25B2313/0314 , F25B2400/0751 , F25B2400/19 , F25B2400/22 , F25B2600/2513 , F25B2700/04
摘要： PROBLEM TO BE SOLVED: To prevent stagnation of a coolant in a utilization side heat exchanger becoming an idle state in a refrigeration system provided with a plurality of utilization side units. SOLUTION: In a coolant circuit 20, an air conditioning unit 12, a refrigeration showcase 13, and a freezing showcase 14 are connected in parallel with each other with respect to an outdoor unit 11. When carrying out thermo-off of an indoor heat exchanger 71 of the air conditioning unit 12, an opening control means 101 fully closes an indoor expansion valve 72. Then, in the opening control means 101, a coolant amount accumulated in the indoor heat exchanger 71 is detected, and an opening of the indoor expansion valve 72 is adjusted in response to the coolant amount. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了防止在设置有多个利用侧单元的制冷系统中在利用侧热交换器变为怠速状态的冷却剂停滞。解决方案：在冷却剂回路20中，空调单元12，制冷陈列柜13和冷冻陈列柜14相对于室外单元11彼此并联连接。当进行热关断时空调单元12的室内热交换器71，开闭控制单元101完全关闭室内膨胀阀72.然后，在开闭控制单元101中，检测累积在室内热交换器71中的冷却剂量，响应于冷却剂量调节室内膨胀阀72。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007078338A Refrigeration device 有权
标题翻译：制冷装置
公开(公告)号：JP2007078338A
公开(公告)日：2007-03-29
申请号：JP2005377703
申请日：2005-12-28
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TAKEGAMI MASAAKI , KONDO AZUMA , TANIMOTO KENJI
IPC分类号： F25B1/00 , F25B5/00 , F25B5/02 , F25B13/00
CPC分类号： F25B13/00 , F25B1/10 , F25B2313/007 , F25B2313/023 , F25B2313/02732 , F25B2313/02741 , F25B2400/0751 , F25B2400/16 , F25B2400/22 , F25B2500/07 , F25B2500/24 , F25B2500/31 , F25B2700/21152
摘要： PROBLEM TO BE SOLVED: To prevent a refrigerant from getting insufficient in user side units 20, 30, 40 caused by an increase of a refrigerant amount in a receiver 17, in a refrigeration device 1 provided with a plurality of systems of using-side heat exchangers 21, 31, 41, and with one liquid-side connecting pipe 53 shared by a plurality of liquid lines. SOLUTION: A refrigerant return mechanism 5 is provided to return the refrigerant in the receiver 17 to a circulation route, and the refrigerant in the receiver 17 can thereby be forcibly returned to the circulation route, under the operation condition where the circulation route is formed to return the refrigerant to compression mechanisms 11D, 11E after the refrigerant fed out from the compression mechanisms 11D, 11E flows from the second user side unit 20 through the first user side units 30, 40. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止制冷剂装置1在设置有多个使用系统的制冷装置1中由于接收器17中的制冷剂量的增加而导致的用户侧单元20,30,40不足侧热交换器21,31,41，以及由多个液体线共同的一个液体侧连接管53。解决方案：设置制冷剂返回机构5以将接收器17中的制冷剂返回循环路径，并且在循环路径的操作条件下，接收器17中的制冷剂能够被强制地返回到循环路径在从压缩机构11D，11E送出的制冷剂从第二使用者侧单元20经由第一使用者侧单元30,40流出后，形成为将制冷剂返回到压缩机构11D，11E。（C） 2007年，日本特许厅和INPIT

4. 发明专利

JP2006207991A Refrigerating apparatus 有权
标题翻译：制冷设备
公开(公告)号：JP2006207991A
公开(公告)日：2006-08-10
申请号：JP2005303502
申请日：2005-10-18
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TAKEGAMI MASAAKI , SAKAE SATORU , TANIMOTO KENJI , NOMURA KAZUHIDE , ODA YOSHINARI , KONDO AZUMA
IPC分类号： F25B5/02 , F25B1/00 , F25B41/00
CPC分类号： F25B5/02 , F25B2400/22 , F25B2500/01
摘要： PROBLEM TO BE SOLVED: To improve the efficiency of a refrigerating apparatus by optimizing the evaporation temperature of a refrigerant in a used unit to the set temperature in a box in a refrigerating apparatus in which a plurality of used units are connected in series to a heat source unit.
SOLUTION: In this refrigerating apparatus, concerning a pressure loss of the refrigerant due to connecting piping 19 on the return side reaching an inlet 61 of the heat source unit 11 from the outlets 24, 34, 44 of the respective single-stage side used units 12, 13, 14, the value of the return side connecting piping 19 connected to the single-stage side used unit 14 having the lowest preset temperature in the box out of the plurality of single-stage side used units 12, 13, 14 is minimized.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了通过将使用单元中的制冷剂的蒸发温度优化为多个使用单元串联连接的制冷装置中的箱中的设定温度来提高制冷装置的效率到热源单元。解决方案：在该制冷装置中，关于由返回侧的连接配管19引起的制冷剂的压力损失，从各个单级的出口24,34,44到达热源单元11的入口61 侧面使用单元12,13,14，在多个单级侧用单元12,13中的箱中具有最低设定温度的单级侧用单元14连接的返回侧连接配管19的值，14被最小化。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2006183987A Refrigerating device 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2006183987A
公开(公告)日：2006-07-13
申请号：JP2005260861
申请日：2005-09-08
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TAKEGAMI MASAAKI , UENO TAKEO , TANIMOTO KENJI , SAKAE SATORU , NOMURA KAZUHIDE , ODA YOSHINARI , KONDO AZUMA
IPC分类号： F25B47/02 , F24F11/02 , F25D21/06
摘要： PROBLEM TO BE SOLVED: To accurately determine start of defrosting operation in a refrigerating device comprising a refrigerant circuit 20 provided with an air heat exchanger 11 and performing general operation and defrosting operation. SOLUTION: The refrigerating device 10 comprises the refrigerant circuit 20 provided with the air heat exchanger 111 and performs general operation and defrosting operation. The refrigerating device 10 further comprises inlet temperature measuring means 116 and 136 measuring the temperature of air to be sent to the air heat exchanger 111; outlet temperature measuring means 117 and 137 measuring the temperature of air passed through the air heat exchanger 111; and a control means 201 determining start of defrosting operation. The control means 201 determines the start of defrosting operation by use of the measured value of the inlet temperature measuring means 116 and 136 and the outlet temperature measuring means 117 and 137. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：准确地确定包括设置有空气热交换器11的制冷剂回路20并进行一般的运转和除霜运转的制冷装置的除霜运转的开始。解决方案：制冷装置10包括设置有空气热交换器111的制冷剂回路20，并进行一般的运转和除霜运转。制冷装置10还包括测量要送往空气热交换器111的空气的温度的入口温度测量装置116和136; 出口温度测量装置117和137，测量通过空气热交换器111的空气的温度; 以及确定除霜操作开始的控制装置201。控制装置201通过使用入口温度测量装置116和136以及出口温度测量装置117和137的测量值来确定除霜操作的开始。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2006112773A Refrigeration device 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2006112773A
公开(公告)日：2006-04-27
申请号：JP2005249469
申请日：2005-08-30
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TAKEGAMI MASAAKI , SAKAE SATORU , TANIMOTO KENJI , ARII KEIJI , NOMURA KAZUHIDE , KONDO AZUMA , ODA YOSHINARI
IPC分类号： F25B1/00 , F25B5/02 , F25B31/00
CPC分类号： F25B2400/22
摘要： PROBLEM TO BE SOLVED: To enhance the cooling capacity of a cooling system by supercooling of a liquid refrigerant without causing transfer to freezing preventing operation in an air-conditioning system, in a refrigeration device comprising a refrigerating circuit 1D in which the air-conditioning system having an indoor heat exchanger 41 and the cooling system having a cooling heat exchanger 45 are connected to a heat source system having compressors 2A and 2B and an outdoor heat exchanger 4.
SOLUTION: A supercooling heat exchanger 70 is connected between a high-pressure liquid pipe 10 of the cooling system and the air-conditioning system and a first connecting liquid pipe 11 of the cooling system connected to a cooling heat exchanger 45. A second connecting liquid pipe 12 of the air-conditioning system is selectively connected to the high-pressure liquid pipe 10 on the upstream side of the supercooling heat exchanger 70 or the first connecting liquid pipe 11 of the cooling system on the downstream side of the heat exchanger 70 by a four-way selector valve 3D to switch the heat exchanger 70 between a state for supercooling the liquid refrigerant carried to the respective connecting liquid pipes 11 and 12 of the cooling system and the air-conditioning system and a state for supercooling only the liquid refrigerant carried to the second connecting liquid pipe 11 of the cooling system.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决问题的方案为了提高冷却系统的冷却能力，通过液体制冷剂的过冷而不会转移到空调系统中的冷冻防止操作，在包括制冷回路1D的制冷装置中，其中空气具有室内热交换器41的调节系统和具有冷却热交换器45的冷却系统连接到具有压缩机2A和2B的热源系统和室外热交换器4.解决方案：连接过冷却热交换器70 在冷却系统的高压液体管道10和空调系统之间以及连接到冷却热交换器45的冷却系统的第一连接液体管道11.空调系统的第二连接液体管道12 选择性地连接到过冷却热交换器70的上游侧的高压液管10或冷却系统的第一连接液管11 通过四通换向阀3D在热交换器70的下游侧，将热交换器70切换到在冷却系统的各连接液管11,12的载液体制冷剂的过冷状态和空调系统和用于仅过冷却携带到冷却系统的第二连接液管11的液体制冷剂的状态。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2006084170A Refrigerating unit 有权
标题翻译：制冷单元
公开(公告)号：JP2006084170A
公开(公告)日：2006-03-30
申请号：JP2005227671
申请日：2005-08-05
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TAKEGAMI MASAAKI , SAKAE SATORU , TANIMOTO KENJI , ARII KEIJI , KONDO AZUMA
IPC分类号： F25B1/00 , F25B13/00
CPC分类号： F25B2400/13
摘要： PROBLEM TO BE SOLVED: To support refrigerating capacity of a cooling system by an air-conditioning compression mechanism of an air-conditioning system.
SOLUTION: A steam compression type refrigerating cycle is performed by having a refrigerant circuit 1D for connecting the air-conditioning system having an indoor heat exchanger 41 and the cooling system having a refrigerating heat exchanger 45 to a heat source system having compressors 2A and 2B and an outdoor heat exchanger 4. A common high pressure liquid pipe 10 of the air-conditioning system and the cooling system, is provided with a supercooling heat exchanger 81, and a supercooling passage 82 connected to this supercooling heat exchanger 81, having one end connected to the high pressure liquid pipe 10, having the other end connected to a suction pipe 6a of the compressor 2A for the cooling system and flowing a refrigerant so as to supercool a liquid refrigerant of the high pressure liquid pipe 10 by a branch refrigerant separated from the liquid refrigerant of the high pressure liquid pipe 10. The supercooled liquid refrigerant is evaporated by respectively flowing to the indoor heat exchanger 41 and the refrigerating heat exchanger 45, and the branch refrigerant of the supercooling heat exchanger 81 is sucked in the compressor 2A for the cooling system.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过空调系统的空调压缩机构来支持冷却系统的制冷能力。解决方案：蒸汽压缩式制冷循环通过具有用于将具有室内热交换器41的空调系统和具有制冷热交换器45的冷却系统连接到具有压缩机2A的热源系统的制冷剂回路1D 2B和室外热交换器4.空调系统和冷却系统的普通高压液体管道10设置有过冷却热交换器81和与该过冷却热交换器81连接的过冷却通路82，具有一端与高压液管10连接，另一端与冷却系统用压缩机2A的吸入管6a连接，使制冷剂流动，使高压液管10的液体制冷剂通过分支制冷剂从高压液体管道10的液体制冷剂分离。过冷液体制冷剂分别通过流动的方式蒸发热交换器41和制冷热交换器45，过冷却热交换器81的分支制冷剂被吸入用于冷却系统的压缩机2A。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2006071268A Refrigerating plant 有权
标题翻译：制冷设备
公开(公告)号：JP2006071268A
公开(公告)日：2006-03-16
申请号：JP2005222484
申请日：2005-08-01
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TAKEGAMI MASAAKI , UENO TAKEO , TANIMOTO KENJI , SAKAE SATORU , KONDO AZUMA
IPC分类号： F25B29/00 , F25B1/00
CPC分类号： F25B13/00 , F25B2313/0231
摘要： PROBLEM TO BE SOLVED: To prevent the degradation of heating performance when the heat quantity of cooling heat exchangers 45, 51 exceeds the required heat quantity of an indoor heat exchanger 41.
SOLUTION: This refrigerating plant 1 comprises a refrigerant circuit 1E via which a compressor 2, an outdoor heat exchanger 4, an expansion mechanism, the indoor heat exchanger 41 for air-conditioning a room, the cooling heat exchangers 45, 51 for cooling boxes are connected to one another. The refrigerant circuit 1E has a discharge side three-way selector valve 101 for varying the flow amount of refrigerant out of refrigerant discharged from the compressor 2, to be distributed into the indoor heat exchanger 41 and the outdoor heat exchanger 4 during heat recovery operation when the indoor heat exchanger 41 and the outdoor heat exchanger 4 are served as condensers. As a result, when heat quantity obtained by the cooling heat exchanger 45, 51 exceeds heat quantity required for the indoor heat exchanger 41, extra heat is exhausted without lowering too much the discharge pressure of the compressor 2.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了防止冷却热交换器45,51的热量超过室内热交换器41的所需热量时的加热性能的劣化。解决方案：该冷冻设备1包括制冷剂电路1E通过压缩机2，室外热交换器4，膨胀机构，室内空调室内热交换器41，冷却箱的冷却用热交换器45,51彼此连接。制冷剂回路1E具有排出侧三通换向阀101，用于改变从压缩机2排出的制冷剂中的制冷剂的流量，在热回收操作期间分配到室内热交换器41和室外热交换器4中室内热交换器41和室外热交换器4作为冷凝器。结果，当由冷却热交换器45,51获得的热量超过室内热交换器41所需的热量时，不会降低压缩机2的排出压力而排出额外的热量。（C ）2006年，日本特许厅和NCIPI

9. 发明专利

JP2004347262A Refrigerating plant 有权
公开(公告)号：JP2004347262A
公开(公告)日：2004-12-09
申请号：JP2003146469
申请日：2003-05-23
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TAKEGAMI MASAAKI , NOMURA KAZUHIDE , KITA KOICHI , TANIMOTO KENJI , SHINOHARA ITSUKI
IPC分类号： F25B1/00 , F25B13/00 , F25B29/00 , F25B39/04
CPC分类号： F25B2400/075 , F25B2500/29 , F25B2600/021 , Y02B30/741
摘要： PROBLEM TO BE SOLVED: To provide a refrigerating plant with a displacement adjustable first compressor 2A only for a refrigerating/freezing system, a second compressor 2B switchable between a refrigerating/freezing system and an air conditioning system, and a third compressor 2C only for the air conditioning system, having stabilized operation even at a high outside air temperature. SOLUTION: At the high outside air temperature in midsummer, e.g., the first compressor 2A is controlled to maintain its displacement without lowering the same during operation. COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2003075022A Refrigerating system 有权
标题翻译：制冷系统
公开(公告)号：JP2003075022A
公开(公告)日：2003-03-12
申请号：JP2002024401
申请日：2002-01-31
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： TANIMOTO KENJI , TAKEGAMI MASAAKI , UENO TAKEO , NOMURA KAZUHIDE , KAJIMOTO AKIHIRO , SAKAE SATORU
IPC分类号： F25B13/00 , F25B29/00 , F25B47/02
CPC分类号： F25B2400/22
摘要： PROBLEM TO BE SOLVED: To improve heating capacity by continuing heating of a room even during defrosting of an outdoor heat exchanger, in a refrigerating system to simultaneously effect air conditioning and refrigerating. SOLUTION: An indoor unit, a cold storage unit, and a refrigerating unit are connected to an outdoor unit to constitute a refrigerating system. Differently from a first four-passage switching valve (3A) to switch cooling and heating of the indoor unit, a second four-passage switching valve (3B) is situated at a refrigerant circuit (1E). By operating the second four-passage switching valve (3B) during heating operation that an indoor heat exchanger (41) forms a condenser and a cold storage heat exchanger (45) and a refrigerating heat exchanger (51) form an evaporator, an outdoor heat exchanger (4) is switched from an evaporator to the condenser. As heating of indoor air in the indoor heat exchanger (41) is continued, defrost of the outdoor heat exchanger (4) is effected.
摘要翻译：要解决的问题：即使在室外热交换器的除霜期间，通过连续加热房间，也可以在制冷系统中提高加热能力，以同时实现空调和制冷。解决方案：室内机，冷藏机和制冷机组连接到室外机构成制冷系统。与第一四通道切换阀（3A）不同，用于切换室内机的冷却和加热，第二四通切换阀（3B）位于制冷剂回路（1E）处。通过在室内热交换器41形成冷凝器和冷藏热交换器45以及制冷热交换器51形成蒸发器的加热运转中操作第二四通路切换阀3B，交换器（4）从蒸发器切换到冷凝器。随着室内热交换器（41）内的室内空气的加热继续进行，室外热交换器（4）的除霜。

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