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1. 发明专利

JP2009139037A Refrigerant circuit 审中-公开
标题翻译：制冷电路
公开(公告)号：JP2009139037A
公开(公告)日：2009-06-25
申请号：JP2007317563
申请日：2007-12-07
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： MAENO MASASHI , NAKAMURA MITSURU , OKADA ATSUSHI
IPC分类号： F25B1/00 , F25B5/02 , F25B6/04 , F25B43/00
CPC分类号： F25B1/10 , F25B5/02 , F25B13/00 , F25B2309/061 , F25B2313/0233 , F25B2313/0272 , F25B2313/02741 , F25B2400/13 , F25B2400/16 , F25B2600/17
摘要： PROBLEM TO BE SOLVED: To provide a refrigerant circuit capable of holding a surplus refrigerant amount in a refrigerant circuit of a supercritical cycle using carbon dioxide as a refrigerant. SOLUTION: The refrigerant circuit 10 of the supercritical cycle using carbon dioxide as a refrigerant is equipped with an intercooler 7 provided in a wake flow side of a condenser 3, an intermediate pressure receiver 4 provided via a restriction mechanism 5A in a wake flow side of the intercooler 7. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种能够使用二氧化碳作为制冷剂在超临界循环的制冷剂回路中保持剩余制冷剂量的制冷剂回路。解决方案：使用二氧化碳作为制冷剂的超临界循环的制冷剂回路10配备有设置在冷凝器3的尾流侧的中间冷却器7，经由限制机构5A在尾流中设置的中间压力接收器4 中间冷却器7的流动侧。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2007278665A Air conditioning apparatus 有权
标题翻译：冷气机
公开(公告)号：JP2007278665A
公开(公告)日：2007-10-25
申请号：JP2006108688
申请日：2006-04-11
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： ITAMOTO TAKAO , NAKAMURA MITSURU
IPC分类号： F24F11/02
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner capable of preventing damage of a compressor and of performing highly reliable low outside air temperature cooling operation in a lower temperature environment. SOLUTION: This heat pump type air conditioner performing air conditioning according to a status change of a circulating refrigerant by operating the compressor 11 installed in a refrigerant circuit having an interior electronic expansion valve 22 is provided with a low outside air temperature cooling operation mode. In the low outside air temperature cooling operation mode, if a low pressure below a predetermined value P1 is detected continuously for a predetermined duration t1 during low outside air temperature cooling operation carried out when a low outside air temperature below a predetermined value is detected during cooling operation, operation of the compressor 11 is stopped temporarily and the interior electronic expansion value 22 is fully opened, and after automatic restoration for restarting operation of the compressor 11 under a predetermined condition, the degree of opening of the interior electronic expansion value 22 is reduced when a low pressure inside the compressor 11 is returned to a predetermined pressure. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止压缩机损坏并且在较低温度环境中执行高可靠性的低外部空气温度制冷操作的空调。解决方案：根据安装在具有内部电子膨胀阀22的制冷剂回路中的压缩机11，通过循环制冷剂的状态变化执行空气调节的该热泵式空调器具有低的外部空气温度制冷操作模式。在低外部空气温度制冷运转模式中，如果在冷却期间检测到低于预定值的低外部空气温度时执行的低外部空气温度制冷操作期间，连续检测到低于预定值P1的低压，持续预定时间t1 操作时，暂时停止压缩机11的运转，内部电子膨胀值22完全打开，并且在预定条件下自动恢复压缩机11的重启动作后，内部电子膨胀值22的开度降低当压缩机11内的低压回到预定压力时。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2008209029A Air conditioner and automatic heating operation control method 有权
标题翻译：空调和自动加热操作控制方法
公开(公告)号：JP2008209029A
公开(公告)日：2008-09-11
申请号：JP2007044022
申请日：2007-02-23
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： YOSHIDA SHIGERU , OMURA MINEMASA , NAKAMURA MITSURU
IPC分类号： F24F11/02
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner and automatic heating operation control method, surely heating the interior of a room.
SOLUTION: This air conditioner 1 for heating includes: a temperature sensor 10 for detecting a suction temperature; and a control part 15 to which a preset temperature required by a user is input, and controls the on-off state of operation based on a difference between the preset temperature and the suction temperature. The control part 5 determines thermal load of an area to be air-conditioned according to the thermo-off time, and the thermo-on temperature and the thermo-off operation point temperature are corrected.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种空调和自动加热操作控制方法，肯定地加热房间的内部。解决方案：这种用于加热的空调装置1包括：用于检测吸入温度的温度传感器10; 以及输入用户所需的预设温度的控制部15，并且基于预设温度和吸入温度之间的差来控制开关操作状态。控制部件5根据热关闭时间确定要进行空调的区域的热负荷，并修正热启动温度和热关断操作点温度。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2008145036A Air conditioner and oil return control method thereof 审中-公开
标题翻译：空调和油回收控制方法
公开(公告)号：JP2008145036A
公开(公告)日：2008-06-26
申请号：JP2006331631
申请日：2006-12-08
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： YOSHIDA SHIGERU , NAKAMURA MITSURU
IPC分类号： F25B1/00 , F25B49/02
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner and an oil return control method thereof, surely performing oil return only by increasing the rotational frequency of a compressor while it is still in a heating cycle during heating operation. SOLUTION: This air conditioner includes an oil return control part 54 operated as in the following. During the operation of a heating cycle, the pressure ratio of high pressure to low pressure of a refrigerating circuit and the rotational frequency of the compressor 21 are detected to compute the flooding flow velocity, and when the compressor 21 is continuously operated more than a fixed time at a rotational frequency above the flooding occurrence limit speed, an oil return time interval is reset, and when the compressor 21 is not continuously operated more than the fixed time at a rotational frequency above the flooding occurrence limit speed, at every interval of oil return time, the rotational frequency of the compressor is increased above the flooding occurrence limit speed to operate the compressor more than a constant time interval. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种空调机和回油控制方法，只要在加热运转中仍然处于加热循环期间增加压缩机的旋转频率，就可靠地执行回油。解决方案：该空调包括如下所述操作的回油控制部54。在加热循环的操作期间，检测制冷回路的高压与低压的压力比和压缩机21的旋转频率，以计算溢流流速，并且当压缩机21连续运转多于固定在高于溢流发生极限速度的转速下的时间，油回流时间间隔被复位，并且当压缩机21不是以高于溢流发生极限速度的旋转频率的固定时间连续运转时，在油的每个间隔返回时间，压缩机的旋转频率增加到高于溢流发生极限速度，以使压缩机操作多于恒定的时间间隔。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2005241169A Refrigerant circuit of air conditioner 审中-公开
标题翻译：空调制冷电路
公开(公告)号：JP2005241169A
公开(公告)日：2005-09-08
申请号：JP2004053069
申请日：2004-02-27
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： NAKAMURA MITSURU , ISOZUMI SHINICHI
IPC分类号： F25B13/00 , F25B43/00 , F25B49/02
摘要： PROBLEM TO BE SOLVED: To provide a refrigerant circuit of an air conditioner which can be stably operated at a low manufacturing cost.
SOLUTION: In the refrigerant circuit of the air conditioner in which a compressor 2, condenser 3 (or 5), an expansion valve 7b (or 7a) and an evaporator 5 (or 3) are sequentially connected by a refrigerant flow passage, a flow passage L for bypassing a space B between the evaporator 5 and the compressor 2 and a space A between the condenser 3 and the expansion valve 7b are provided and an electromagnetic opening/closing valve 10 and a capillary tube 9 are provided at the bypassing flow passage L with the capillary tube 9 on the B side and the electromagnetic opening/closing valve 10 on the A side. A pressure sensor 11 is provided between the electromagnetic opening/closing valve 10 and the capillary tube 9 and "fixed evaporating pressure control" is conducted during cooling operation and "fixed condensing pressure control" is conducted during heating operation by work control of the electromagnetic opening/closing valve 10. In addition, in the case that temperature of discharging refrigerant from the compressor 2 abnormally rises, liquid refrigerant is introduced to the compressor 2 through the bypassing flow passage for cooling down the compressor 2.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种可以以低制造成本稳定运行的空调的制冷剂回路。解决方案：在空气调节器的制冷剂回路中，压缩机2，冷凝器3（或5），膨胀阀7b（或7a）和蒸发器5（或3）通过制冷剂流动通道设置用于旁路蒸发器5与压缩机2之间的空间B以及冷凝器3与膨胀阀7b之间的空间A的流路L，在该冷凝器3和膨胀阀7b之间设置电磁开闭阀10和毛细管9 B侧的毛细管9和A侧的电磁开闭阀10的旁路流路L。在电磁开闭阀10与毛细管9之间设有压力传感器11，在制冷运转时进行“固定蒸发压力控制”，在加热运转中通过电磁开口的工作控制进行“固定冷凝压力控制” 此外，在来自压缩机2的排出制冷剂的温度异常上升的情况下，液体制冷剂通过旁路流路被导入压缩机2，以使压缩机2冷却。版权所有（C））2005年，日本特许厅和NCIPI

6. 发明专利

JP2008157563A Air-conditioning apparatus and control method therefor 审中-公开
标题翻译：空气调节装置及其控制方法
公开(公告)号：JP2008157563A
公开(公告)日：2008-07-10
申请号：JP2006348051
申请日：2006-12-25
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： YOSHIDA SHIGERU , OMURA MINEMASA , NAKAMURA MITSURU
IPC分类号： F24F11/02
摘要： PROBLEM TO BE SOLVED: To provide an air-conditioning apparatus capable of realizing automatic operation control for switching between heating and cooling operations more efficiently, and a control method therefor. SOLUTION: The air-conditioning apparatus capable of automatically switching between a cooling operation and a heating operation is equipped with a temperature sensor for detecting suction temperatures of an indoor unit, and a control part for switching between the cooling operation and the heating operation. The control part temporarily stops the heating operation, and uses a temperature rise detected by the temperature sensor as a condition for switching from the heating operation to the cooling operation. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够更有效地实现用于在加热和冷却操作之间切换的自动操作控制的空调设备及其控制方法。解决方案：能够在冷却操作和制热操作之间自动切换的空调装置配备有用于检测室内机的吸入温度的温度传感器和用于在制冷运转与加热之间切换的控制部操作。控制部临时停止加热动作，并且使用由温度传感器检测的温度升高作为从加热操作切换到冷却操作的条件。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2008175490A Air conditioner 审中-公开
标题翻译：冷气机
公开(公告)号：JP2008175490A
公开(公告)日：2008-07-31
申请号：JP2007010473
申请日：2007-01-19
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： TSUBONO MASAHIRO , OMURA MINEMASA , NAKAMURA MITSURU
IPC分类号： F24F11/02
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner, controlling dehumidification in cooling operation. SOLUTION: This air conditioner includes: an outdoor unit; an interior unit; and a control part for controlling various operations of the indoor unit and the outdoor unit, wherein the air conditioner is provided with a humidity detecting means for detecting the relative humidity in an air conditioning object space and inputting the same to the control part and a temperature detecting means for detecting the air temperature in the air conditioning object space and inputting the same to the control part. The control part is provided with an operation mode select control process of deciding selection and execution for a dehumidifying operation mode for performing dehumidification in the state of holding down the cooling capability based on a predetermined condition of a dew-point temperature calculated from the detection values of the humidity detecting means and the temperature detecting means. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种空调，用于控制制冷操作中的除湿。
解决方案：该空调包括：室外机; 内部单位; 以及用于控制室内单元和室外单元的各种操作的控制部分，其中空调设置有湿度检测装置，用于检测空调对象空间中的相对湿度并将其输入到控制部分，并且温度用于检测空调对象空间中的空气温度并将其输入到控制部分的检测装置。控制部具备操作模式选择控制处理，该操作模式选择控制处理根据从检测值计算出的露点温度的规定条件，决定在保持冷却能力的状态下进行除湿的除湿运转模式的选择和执行的湿度检测装置和温度检测装置。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2002235958A AIR CONDITIONER AND ITS CONTROL METHOD 失效
公开(公告)号：JP2002235958A
公开(公告)日：2002-08-23
申请号：JP2001034565
申请日：2001-02-09
申请人： MITSUBISHI HEAVY IND LTD , TOHOKU ELECTRIC POWER CO , TOKYO ELECTRIC POWER CO , CHUBU ELECTRIC POWER , KANSAI ELECTRIC POWER CO , KYUSHU ELECTRIC POWER
发明人： SASAKURA MASAHIKO , KOBAYASHI TAKAYUKI , NAKAMURA MITSURU , KUDO KENJI , SASAKI HITOSHI , CHO NOBUAKI , MURAI SHINJI , BEPPU YASUNOBU
IPC分类号： F25B1/00
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner and its control method capable of easy starting. SOLUTION: An air conditioner comprises: a compressor 101; a refrigerant piping (high pressure piping) 120 for feeding a refrigerant from the compressor 101 to a heat exchanger 103; a low pressure piping 101a connected to a suction side of the compressor 101; a communication pipe 113 for communicating these refrigerant piping 120 and low pressure piping 101a; and an opening/closing valve 115 mounted on the communication pipe 113. The opening/closing valve 115 is opened before the compressor is started, and is closed after the elapse of a predetermined time after the compressor is started.

9. 发明专利

JP2000055510A FLUID DISTRIBUTOR AND AIR CONDITIONER HAVING SAME 失效
公开(公告)号：JP2000055510A
公开(公告)日：2000-02-25
申请号：JP22204798
申请日：1998-08-05
申请人： MITSUBISHI HEAVY IND LTD
发明人： NAKAMURA MITSURU
IPC分类号： F16K11/074 , F25B41/00
摘要： PROBLEM TO BE SOLVED: To provide a fluid distributor with a simple structure and high setting accuracy in which a flow rate can be easily set in short time and an air conditioner having the fluid distributor. SOLUTION: A fluid distributor comprises a rotating member 33 having one or more hole parts 51 through which fluid passes, a fixed member 34 having a plurality of holes 52 which communicate with the hole parts 51 so as to meet the rotation of the rotating member 33 and through which the fluid passes and a rotating means 35 for rotating the rotating member 33 on its axis.

10. 发明专利

JPH06137710A MULTI-CHAMBER SIMULTANEOUS COOLING AND HEATING TYPE AIR CONDITIONER 失效
公开(公告)号：JPH06137710A
公开(公告)日：1994-05-20
申请号：JP28598392
申请日：1992-10-23
申请人： MITSUBISHI HEAVY IND LTD
发明人： NAKAMURA MITSURU , KOBAYASHI TAKAYUKI
IPC分类号： F24F11/02 , F25B13/00 , F25B29/00
摘要： PURPOSE:To make it possible to have two and more relays in a single refrigerant system and make the best use of a piping shaft space in a building by providing a plurality of air-liquid separators and on/off valves and flow rate control valves which control the flow rates of liquid and gas in two directions. CONSTITUTION:Liquid refrigerant in a first air separator 13, after distributed in first indoor heat exchangers 20a and 20b and second heat exchangers 26a and 26b by means of second flow rate control valves 16 and 17, is depressurized to a low pressure in first flow rate control valves 19a and 19b and heat- exchanged with an indoor air and gasified, thereby cooling the interior on one hand. On the other band, the liquid refrigerant which flows into a second air-liquid separator 22 by way of second on/off valve 11b and a flow rate control valve 17 is depressurized to a low pressure by means of fourth flow rate control valves 25a and 25b and then heat-exchanged with the indoor air and gasified, thereby cooling the interior. This construction makes it possible to make the best use of a piping shaft space in a building.

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