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1. 发明专利

JP2014211293A 冷凍装置有权
标题翻译：冰箱
公开(公告)号：JP2014211293A
公开(公告)日：2014-11-13
申请号：JP2013088904
申请日：2013-04-19
申请人：ダイキン工業株式会社 , Daikin Ind Ltd
发明人： YO KUNITADA , OKAMOTO TETSUYA , IWATA YASUHIRO , KOSHO KAZUHIRO
IPC分类号： F25B41/04
CPC分类号： F25B41/04
摘要：【課題】圧力差を用いて弁可動部を動かす場合において、切り換えの確実性を向上させることが可能な冷凍装置を提供する。【解決手段】流路の切り換えを行うために圧力差によって移動させる第1弁可動部26mおよび切り換え対象の流路として低段の第1圧縮部21から吐出された冷媒が流れる流路を有している第1四路切換弁26と、流路の切り換えを行うために圧力差によって移動させる第4部可動部29mおよび切り換え対象の流路として第4圧縮部24から吐出された冷媒が流れる流路を有している第4四路切換弁29と、第1弁可動部26mおよび第4弁可動部29mの両方に対して、第4圧縮部24から吐出された冷媒と第1圧縮部21に吸入される冷媒との圧力差を作用させて、第1弁可動部26mおよび第4弁可動部29mの両方を動かして接続状態の切り換えを行うパイロット弁16と、を備えている。【選択図】図2
摘要翻译：要解决的问题：提供一种能够在使用压差移动阀可动部的情况下提高切换确定性的冰箱。解决方案：一种冰箱，包括：第一四通切换阀26，其包括可移动的第一阀可动部26m 通过流路切换的压力差和作为切换目标流路的流路，并且从低级第一压缩部21排出的制冷剂流动; 第四四通换向阀29，其包括可通过流路切换用压差移动的第四可动部29m和作为切换目标流路的流路，从第四压缩部24排出的制冷剂流入 ; 以及允许从第四压缩部24排出的制冷剂和吸入第一压缩部21的制冷剂之间的压力差作用在第一阀可动部26m和第四阀可动部29m两者上的先导阀16，第一阀可动部26m和第四阀可动部29m，从而切换连接状态。

2. 发明专利

JP2014020725A Downward flow liquid film type evaporator 审中-公开
标题翻译：下行流动液膜式蒸发器
公开(公告)号：JP2014020725A
公开(公告)日：2014-02-03
申请号：JP2012161875
申请日：2012-07-20
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： KIN GENEI , FUKUOKA MOTOHIKO , HATTORI KEITA , OGATA JUNJI , YO KUNITADA
IPC分类号： F28D5/02 , F25B39/02
摘要： PROBLEM TO BE SOLVED: To prevent carry-over of liquid refrigerant due to gas refrigerant.SOLUTION: A downward flow liquid film type evaporator includes a heat transfer tube group, a refrigerant spray device 50, a gas refrigerant outlet tube, and a cover 60. The heat transfer tube group is constituted by a plurality of heat transfer tubes. The refrigerant spray device 50 is arranged above the heat transfer tube group and stores liquid refrigerant of supplied vapor-liquid two-phase refrigerant to allow the liquid refrigerant to flow downward. The gas refrigerant outlet tube is positioned above the refrigerant spray device 50, and has a discharge port from which vapor refrigerant evaporated on the surface of the heat transfer tube group is discharged. The cover 60 is located above the refrigerant spray device 50 and covers it. The refrigerant spray device 50 and the cover 60 together extend in a longitudinal direction of a casing of the downward flow liquid film type evaporator. Between the refrigerant spray device 50 and the cover 60, a clearance at a second section L2 in the longitudinal direction L is larger than a clearance at a first section L1 in the longitudinal direction L.
摘要翻译：要解决的问题：为了防止由气体制冷剂引起的液体制冷剂的滞留。解决方案：向下流动的液膜式蒸发器包括传热管组，制冷剂喷射装置50，气体制冷剂出口管和盖60 传热管组由多个传热管构成。制冷剂喷射装置50布置在传热管组上方，并储存供应的气液二相制冷剂的液体制冷剂，以使液体制冷剂向下流动。气体制冷剂出口管位于制冷剂喷射装置50的上方，并且具有排出在传热管组的表面上蒸发的蒸气制冷剂的排出口。盖60位于制冷剂喷射装置50的上方并覆盖它。制冷剂喷射装置50和盖60一起沿向下流动的液膜式蒸发器的壳体的纵向方向延伸。在制冷剂喷射装置50和盖60之间，长度方向L上的第二部分L2的间隙大于第一部分L1在纵向方向L上的间隙。

3. 发明专利

JP2014020724A Downward flow liquid film type evaporator 审中-公开
标题翻译：下行流动液膜式蒸发器
公开(公告)号：JP2014020724A
公开(公告)日：2014-02-03
申请号：JP2012161874
申请日：2012-07-20
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： KIN GENEI , HATTORI KEITA , YO KUNITADA , OGATA JUNJI , FUKUOKA MOTOHIKO
IPC分类号： F28D5/02
摘要： PROBLEM TO BE SOLVED: To prevent carry-over of liquid refrigerant due to gas refrigerant.SOLUTION: A downward flow liquid film type evaporator includes a heat transfer tube group, a refrigerant spray device, a gas refrigerant outlet tube, and a cover 60. The heat transfer tube group is constituted by a plurality of heat transfer tubes. The refrigerant spray device 50 is arranged above the heat transfer tube group and stores liquid refrigerant of supplied vapor-liquid two-phase refrigerant to allow the liquid refrigerant to flow downward. The gas refrigerant outlet tube is positioned above the refrigerant spray device, and has a discharge port from which vapor refrigerant evaporated on the surface of the heat transfer tube group is discharged. The cover 60 is located above the refrigerant spray device and covers it. The cover 60 has a side edge portion 62 having an uneven shape in which convex portions 62b and concave portions 62a are alternately arranged.
摘要翻译：要解决的问题：为了防止由于气体制冷剂而导致的液体制冷剂的滞留。解决方案：向下流动的液膜式蒸发器包括传热管组，制冷剂喷射装置，气体制冷剂出口管和盖60。传热管组由多个传热管构成。制冷剂喷射装置50布置在传热管组上方，并储存供应的气液二相制冷剂的液体制冷剂，以使液体制冷剂向下流动。气体制冷剂出口管位于制冷剂喷射装置的上方，并且具有排出在传热管组的表面上蒸发的蒸气制冷剂的排出口。盖60位于制冷剂喷射装置的上方并覆盖它。盖60具有凸出部62b和凹部62a交替排列的具有凹凸形状的侧缘部62。

4. 发明专利

JP2014126324A Refrigeration device 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2014126324A
公开(公告)日：2014-07-07
申请号：JP2012284997
申请日：2012-12-27
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： YO KUNITADA , OKAMOTO TETSUYA , IWATA YASUHIRO , KOSHO KAZUHIRO
IPC分类号： F25B1/00 , F25B1/10 , F25B43/02
摘要： PROBLEM TO BE SOLVED: To provide a refrigeration device capable of reducing heat loss and pressure loss in an oil separator during a heating operation while suppressing lubrication oil from being supplied to an intermediate cooler during a cooling operation in the refrigeration device performing a plurality of compression operations.SOLUTION: A four-way switch valve group 25 of an air conditioner 1 switches an operation state over between a cooling operation state and a heating operation state. In the cooling operation state, while refrigerant is passed through first to third oil separators 31a to 33a, first and second indoor heat exchangers 12a and 13a are made to act as refrigerant evaporators, a fourth outdoor heat exchanger 44 is made to act as a heat radiator, and first to third outdoor heat exchangers 41 to 43 are made to act as intercoolers. In the heating operation state, while the refrigerant is not passed through the first to third oil separators, the first to the fourth outdoor heat exchangers are all made to act as evaporators and the first and the second indoor heat exchangers are made to act as heat radiators.
摘要翻译：要解决的问题：提供一种制冷装置，其能够在制冷运转中减少油分离器的热损失和压力损失，同时在执行多次压缩的制冷装置的制冷运转期间抑制向中间冷却器供给润滑油操作。解决方案：空调1的四通切换阀组25在制冷操作状态和制热操作状态之间切换操作状态。在制冷运转状态下，当制冷剂通过第一至第三分油器31a至33a时，使第一和第二室内热交换器12a和13a作为制冷剂蒸发器，使第四室外热交换器44作为热量散热器和第一至第三室外热交换器41至43作为中间冷却器。在制热运转状态下，虽然制冷剂不通过第一至第三分油器，但是第一至第四室外热交换器都被制成蒸发器，第一和第二室内热交换器被制成热量散热器。

5. 发明专利

JP2014020754A Downward flow liquid film type evaporator 审中-公开
标题翻译：下行流动液膜式蒸发器
公开(公告)号：JP2014020754A
公开(公告)日：2014-02-03
申请号：JP2012162729
申请日：2012-07-23
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： FUKUOKA MOTOHIKO , KIN GENEI , HATTORI KEITA , YO KUNITADA , OGATA JUNJI
IPC分类号： F25B39/02 , F28D5/02
摘要： PROBLEM TO BE SOLVED: To restrain a carry-over phenomenon of droplets of a liquid refrigerant adhered to an upper cover, in a downward flow liquid film type evaporator for evaporating the liquid refrigerant by a heat transfer pipe group by flowing the liquid refrigerant out of refrigerants under two gas-liquid phase states supplied in a tank through a refrigerant inlet pipe to the heat transfer pipe group by a liquid refrigerant spraying device having an upper cover, a one-stage refrigerant tub and a two-stage refrigerant tub and provided between the heat transfer pipe group in the tank and a steam outlet pipe at an upper part of the tank in an upward and downward direction.SOLUTION: In a downward flow liquid film type evaporator (1), a gap between an upper cover (36) and a one-stage refrigerant tub (34) at a portion near a steam outlet pipe (18) is made narrower than a gap between the upper cover (36) and a one-stage refrigerant tub (34) at a portion away from the steam outlet pipe (18).
摘要翻译：要解决的问题：为了抑制粘附到上盖的液体制冷剂的液滴的携带现象，在向下流动的液膜式蒸发器中，通过传热管组将液体制冷剂蒸发，使液体制冷剂从在通过制冷剂入口管供给到罐中的两个气液相状态的制冷剂通过具有上盖，一级制冷剂桶和两级制冷剂桶的液体制冷剂喷射装置输送到传热管组，并且设置在罐中的传热管组和罐上部的蒸汽出口管在向上和向下方向上。解决方案：在向下流动的液膜式蒸发器（1）中，上盖（36）并且在靠近蒸汽出口管（18）的部分处的一级制冷剂桶（34）比在上盖（36）和一级制冷剂桶（34）之间的间隙窄蒸汽出口管（1 8）。

6. 发明专利

JP2014020752A Downward flow liquid film type evaporator 审中-公开
标题翻译：下行流动液膜式蒸发器
公开(公告)号：JP2014020752A
公开(公告)日：2014-02-03
申请号：JP2012162727
申请日：2012-07-23
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： FUKUOKA MOTOHIKO , KIN GENEI , HATTORI KEITA , YO KUNITADA , OGATA JUNJI
IPC分类号： F28D5/02
摘要： PROBLEM TO BE SOLVED: To restrain a carry-over phenomenon of droplets of a liquid refrigerant flowing down from a one-stage refrigerant tub to a two-stage refrigerant tub, in a downward flow liquid film type evaporator for evaporating the liquid refrigerant by a heat transfer pipe group by flowing the liquid refrigerant out of refrigerants under two gas-liquid phase states supplied in a tank through a refrigerant inlet pipe to the heat transfer pipe group by a liquid refrigerant spraying device having a one-stage refrigerant tub and a two-stage refrigerant tub and provided between the heat transfer pipe group in the tank and a steam outlet pipe at an upper part of the tank in an upward and downward direction.SOLUTION: A downward flow liquid film type evaporator (1) is provided with a partition plate (40) projecting upward to reach a vicinity of a bottom wall (34a) of a one-stage refrigerant tub (34) from a two-stage refrigerant tub (35), projecting upward to contact the bottom wall (34a) of the one-stage refrigerant tub (34) from the two-stage refrigerant tub (35), or projecting downward from the bottom wall (34a) of the one-stage refrigerant tub (34) to the two-stage refrigerant tub (35).
摘要翻译：要解决的问题：为了抑制从一级制冷剂桶向两级制冷剂桶向下流动的液体致冷剂的液滴的滞留现象，在液体制冷剂的蒸发中，通过传热管组，其通过液体制冷剂从制冷剂入口管中的两个液 - 液相状态流过制冷剂入口管，通过具有一级制冷剂桶和二级制冷剂桶的液体制冷剂喷射装置流到传热管组一级制冷剂桶，并且设置在储罐内的传热管组与罐上部的蒸汽出口管的上下方向之间。解决方案：向下流动的液膜式蒸发器（1）设置有分隔板（40）从两级制冷剂槽（35）向上突出到达一级制冷剂桶（34）的底壁（34a）附近，向上突出以接触底壁（34）（a）的一级制冷剂槽（34），或者从一级制冷剂槽（34）的底壁（34a）向下突出到两级制冷剂槽（35）。

7. 发明专利

JP2014020753A Downward flow liquid film type evaporator 审中-公开
标题翻译：下行流动液膜式蒸发器
公开(公告)号：JP2014020753A
公开(公告)日：2014-02-03
申请号：JP2012162728
申请日：2012-07-23
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： FUKUOKA MOTOHIKO , KIN GENEI , HATTORI KEITA , YO KUNITADA , OGATA JUNJI
IPC分类号： F25B39/02
摘要： PROBLEM TO BE SOLVED: To restrain a carry-over phenomenon of droplets of a liquid refrigerant flowing down from a one-stage refrigerant tub to a two-stage refrigerant tub, in a downward flow liquid film type evaporator for evaporating the liquid refrigerant by a heat transfer pipe group by flowing the liquid refrigerant out of refrigerants under two gas-liquid phase states supplied in a tank through a refrigerant inlet pipe to the heat transfer pipe group by a liquid refrigerant spraying device having a one-stage refrigerant tub and a two-stage refrigerant tub and provided between the heat transfer pipe group in the tank and a steam outlet pipe at an upper part of the tank in an upward and downward direction.SOLUTION: A downward flow liquid film type evaporator (1) is provided with a flow-in restraining member (40) for avoiding a gas refrigerant from flowing from a space immediately above a one-stage refrigerant tub and/or a steam man flow path space into a space immediately above a two-stage refrigerant tub between a one-stage refrigerant tub (34) and a two-stage refrigerant tub (35) in an upward and downward direction, while maintaining a state that the space immediately above the one-stage refrigerant tub (34) is communicated with the steam main flow path space in which a gas refrigerant generated by evaporation in a heat transfer pipe group (20) is directed to a steam outlet pipe (18).
摘要翻译：要解决的问题：为了抑制从一级制冷剂桶向两级制冷剂桶向下流动的液体制冷剂的液滴的滞留现象，在液体制冷剂的蒸发中，通过传热管组，其通过液体制冷剂从制冷剂入口管中的两个液 - 液相状态流过制冷剂入口管，通过具有一级制冷剂桶和二级制冷剂桶的液体制冷剂喷射装置流到传热管组一级制冷剂桶，并且设置在储罐内的传热管组与罐上部的蒸汽出口管的上下方向之间。解决方案：向下流动的液膜式蒸发器（1）设置有流入限制构件（40），用于避免气体制冷剂从一级制冷剂桶和/或蒸汽人流动空间之上的空间流入直接在tw上方的空间在一级制冷剂桶（34）和两级制冷剂桶（35）之间的上下方向上的o级制冷剂桶同时保持在一级制冷剂桶（34）的正上方的空间，与蒸气主流路空间连通，在该蒸气主流路空间中，传热管组（20）中通过蒸发而产生的气体制冷剂被导向蒸汽出口管（18）。

8. 发明专利

JP2014020747A Downward flow liquid film type evaporator 审中-公开
标题翻译：下行流动液膜式蒸发器
公开(公告)号：JP2014020747A
公开(公告)日：2014-02-03
申请号：JP2012162571
申请日：2012-07-23
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： KIN GENEI , FUKUOKA MOTOHIKO , HATTORI KEITA , YO KUNITADA , OGATA JUNJI
IPC分类号： F28F25/04 , F28D5/02
摘要： PROBLEM TO BE SOLVED: To prevent carry-over of liquid refrigerant due to gas refrigerant.SOLUTION: A downward flow liquid film type evaporator 10 includes a heat transfer tube group 30, a refrigerant spray device 50, a gas refrigerant outlet tube 22b, and a cover 60. The heat transfer tube group 30 is constituted by a plurality of heat transfer tubes 30a, 30b, 30c, .... The refrigerant spray device 50 is arranged above the heat transfer tube group 30 and stores liquid refrigerant of supplied vapor-liquid two-phase refrigerant to allow the liquid refrigerant to flow downward. The gas refrigerant outlet tube 22b is positioned above the refrigerant spray device 50, and has discharge port E from which vapor refrigerant evaporated on the surface of the heat transfer tube group 30 is discharged. The cover 60 is located above the refrigerant spray device 50 and covers it. A direct-above space sq5 between the refrigerant spray device 50 and the cover 60 is communicated with a gas channel space sq1 through which the vapor refrigerant is directed to the discharge port E. An edge C2 of the cover 60 in the width direction is positioned inside both end portions C1 of the refrigerant spray device 50 in the width direction in a plan view.
摘要翻译：要解决的问题：为了防止由于气体制冷剂而引起的液体制冷剂的滞留。解决方案：向下流动的液膜式蒸发器10包括传热管组30，制冷剂喷射装置50，气体制冷剂出口管22b和传热管组30由多个传热管30a，30b，30c，...组成。制冷剂喷射装置50布置在传热管组30的上方，并储存供应蒸气的液体制冷剂液体两相制冷剂使液体制冷剂向下流动。气体制冷剂出口管22b位于制冷剂喷射装置50的上方，并且具有从传热管组30的表面蒸发的蒸气制冷剂排出的排出口E. 盖60位于制冷剂喷射装置50的上方并覆盖它。制冷剂喷射装置50和盖60之间的直接空间sq5与气体通道空间sq1连通，气体制冷剂通过该通道空间sq1被引导到排出口E.盖60的沿宽度方向的边缘C2定位在制冷剂喷射装置50的宽度方向的两端部C1的俯视图中。

9. 发明专利

JP2014020723A Downward flow liquid film type evaporator 审中-公开
标题翻译：下行流动液膜式蒸发器
公开(公告)号：JP2014020723A
公开(公告)日：2014-02-03
申请号：JP2012161873
申请日：2012-07-20
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： KIN GENEI , FUKUOKA MOTOHIKO , HATTORI KEITA , YO KUNITADA , OGATA JUNJI
IPC分类号： F28F25/04 , F28D5/02
摘要： PROBLEM TO BE SOLVED: To prevent carry-over of liquid refrigerant due to gas refrigerant.SOLUTION: A downward flow liquid film type evaporator 10 includes a heat transfer tube group 30, a refrigerant spray device 50, and a gas refrigerant outlet tube 22b. The heat transfer tube group 30 is constituted by a plurality of heat transfer tubes extending in the horizontal direction and arranged in multiple lateral and longitudinal rows. The refrigerant spray device 50 is arranged above the heat transfer tube group 30 and stores liquid refrigerant of supplied vapor-liquid two-phase refrigerant to allow the liquid refrigerant to flow downward. The gas refrigerant outlet tube 22b is positioned above the refrigerant spray device 50. The gas refrigerant outlet tube 22b has discharge ports E1, E2, E3 from which vapor refrigerant evaporated on the surface of the heat transfer tube group 30 is discharged. A space directly above the refrigerant spray device 50 and a gas channel space through which the vapor refrigerant is directed to the discharge port are communicated with each other. The discharge ports E1, E2, E3 are plurally provided separately in a longitudinal direction of the refrigerant spray device 50.
摘要翻译：要解决的问题：为了防止由于气体制冷剂而导致的液体制冷剂的滞留。解决方案：向下流动的液膜式蒸发器10包括传热管组30，制冷剂喷射装置50和气体制冷剂出口管22b。传热管组30由多个沿水平方向延伸并且排列成多个横向和纵向排的传热管构成。制冷剂喷射装置50布置在传热管组30的上方，并储存供应的气液两相制冷剂的液体制冷剂，以使液体制冷剂向下流动。气体制冷剂出口管22b位于制冷剂喷射装置50的上方。气体制冷剂出口管22b具有从传热管组30的表面蒸发的蒸气制冷剂排出的排出口E1，E2，E3。制冷剂喷射装置50正上方的空间和蒸气制冷剂通向排出口的气体通道空间彼此连通。排出口E1，E2，E3在制冷剂喷射装置50的长度方向上分开设置。

10. 发明专利

JP2014211292A 冷凍装置有权
标题翻译：冰箱
公开(公告)号：JP2014211292A
公开(公告)日：2014-11-13
申请号：JP2013088903
申请日：2013-04-19
申请人：ダイキン工業株式会社 , Daikin Ind Ltd
发明人： IWATA YASUHIRO , OKAMOTO TETSUYA , YO KUNITADA , KOSHO KAZUHIRO
IPC分类号： F25B1/00 , F25B1/10 , F25B39/00
CPC分类号： F25B1/00 , F25B1/10 , F25B39/00
摘要：【課題】複数段圧縮を行い、第1運転状態で蒸発器として機能し第2運転状態で冷却器として機能する熱源側第1熱交換器、および、第1運転状態で熱源側第1熱交換器と並列に設けられた蒸発器して機能し第2運転状態で中間圧力の冷媒の冷却器として機能する熱源側第2熱交換器を備え、第1運転状態で熱源側第1熱交換器と熱源側第2熱交換器のいずれかで蒸発能力を確保しつつ熱源側第1熱交換器から流れ出た冷媒と熱源側第2熱交換器から流れ出た冷媒との合流冷媒の過熱度を調節可能な冷凍装置を提供する。【解決手段】第1運転状態において、第4室外熱交換器44と、第1〜第3室外熱交換器41〜43と、を互いに並列に接続された蒸発器として機能させる場合に、第4室外熱交換器44の出口冷媒が湿り気味になるように、第1〜第3室外熱交換器41〜43の出口冷媒が乾き気味になるように、第1、第2室外膨張弁47、48により制御する。【選択図】図9
摘要翻译：要解决的问题：提供一种冰箱，其包括执行多级压缩的热源侧第一热交换器，在第一运行状态下用作蒸发器，并且用作第二运行状态的冷却器; 以及在第一运行状态下与热源侧热交换器并联设置的作为蒸发器起作用的热源侧第二热交换器，作为在第二运转状态下处于中间压力的制冷剂冷冻机，调节从热源侧第一热交换器流出的制冷剂与从热源侧第二热交换器流出的制冷剂之间的合流制冷剂的过热度，同时确保热源侧第一热交换器或热源侧第二热交换器处于第一运行状态。解决方案：如果使第四室外热交换器44和第一至第三室外热交换器41至43用作在第一操作状态下并联连接的蒸发器，则第一和第二室外膨胀阀47,48用于进行第四室外热交换器44的出口处的制冷剂的控制第一至第三热交换器41至43的出口处的制冷剂趋于干燥。

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