公开(公告)号：US20180283565A1

公开(公告)日：2018-10-04

申请号：US15758772

申请日：2015-11-20

Applicant: Mitsubishi Electric Corporation

Inventor： Kosuke TANAKA

IPC: F16K11/074 ,  F16K3/04 ,  F25B41/04

CPC classification number: F16K11/074 ,  F16K3/04 ,  F25B13/00 ,  F25B41/04 ,  F25B41/046 ,  F25B41/062 ,  F25B2313/0231 ,  F25B2313/0233 ,  F25B2313/0272 ,  F25B2341/0653 ,  F25B2500/18 ,  Y02B30/72

Abstract: A valve apparatus includes a valve main body, a shaft body, a first valve element, and a second valve element. The valve main body has a first depressed portion and a second depressed portion in a circular shape, and a first port, a second port, and a third port each communicating with the first depressed portion, and a fourth port and a fifth port each communicating with the second depressed portion. The first port is allowed to selectively communicate with one of the second port and the third port by closure of one of the second port and the third port by the first valve element rotating about an axial direction. A flow amount of a fluid flowing between the fourth port and the fifth port is allowed to be variable by closure of the fourth port by the second valve element rotating about the axial direction.

公开(公告)号：US10054347B2

公开(公告)日：2018-08-21

申请号：US14908205

申请日：2014-01-22

Applicant: FUJITSU GENERAL LIMITED

Inventor： Takashi Kimura ,  Kuniko Hayashi

IPC: F25D21/06 ,  F25B47/02 ,  F25B13/00 ,  F25B25/00 ,  F25B41/04 ,  F24F11/30 ,  F24F11/42

CPC classification number: F25B47/025 ,  F24F11/30 ,  F24F11/42 ,  F25B13/00 ,  F25B25/005 ,  F25B41/046 ,  F25B2313/006 ,  F25B2313/0233 ,  F25B2313/02741 ,  F25B2313/0314 ,  F25B2313/0315 ,  F25B2347/02 ,  F25B2347/023 ,  F25B2600/025 ,  F25B2700/1931 ,  F25B2700/1933 ,  F25B2700/2106 ,  F25B2700/21151 ,  F25B2700/21152

Abstract: An outdoor unit control unit 200 has a defrosting operation condition table 300a that defines a defrosting operation interval time Tm in accordance with a total sum of rated capacity of indoor units 5a to 5c and a refrigerant pipe length as lengths of a liquid pipe 8 and a gas pipe 9. The outdoor unit control unit 200 uses the total sum of the rated capacity of indoor units 5a to 5c input by using an installation information input unit 250 and refers to the defrosting operation condition table 300a, so as to determine the defrosting operation interval time Tm. Then, the outdoor unit control unit 200 forcibly performs a defrosting operation when the defrosting operation interval time Tm elapses without establishment of a defrosting operation start condition since the last defrosting operation is terminated.

公开(公告)号：US20180135899A1

公开(公告)日：2018-05-17

申请号：US15572438

申请日：2016-05-06

Applicant: David Turner

Inventor： David Turner

IPC: F25B27/00 ,  F25B5/02 ,  F25B6/02 ,  F25B27/02 ,  F25B30/02 ,  F25B49/02 ,  F25B41/04

CPC classification number: F25B27/005 ,  F25B5/02 ,  F25B6/02 ,  F25B27/02 ,  F25B30/02 ,  F25B41/046 ,  F25B49/022 ,  Y02A30/274

Abstract: Temperature control system and method A temperature control system (10) includes a compressor (1), a condenser (4), an expansion valve (5), and an evaporator (60 all connected in series. At least one heat exchanger (3) is located between the compressor and the condenser and operable to transfer heat energy from an external heat source to the refrigerant. In one variant, an array of heat exchangers is located between the compressor and the condenser. In a further variant (210, FIG. 3), there are one or more heat exchangers located between the compressor and the condenser and flow control means to direct the flow of refrigerant either through at least one heat exchanger or directly from the compressor to the condenser bypassing at least one of the heat exchangers. Methods of heating and cooling an environment using the system are also disclosed.

公开(公告)号：US09931905B2

公开(公告)日：2018-04-03

申请号：US15436367

申请日：2017-02-17

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yasufumi Takahashi

IPC: F25B27/00 ,  B60H1/00

CPC classification number: B60H1/00035 ,  B60H1/00007 ,  B60H1/0005 ,  B60H1/00057 ,  B60H1/00842 ,  B60H1/00921 ,  B60H1/03 ,  B60H2001/00085 ,  B60H2001/00099 ,  B60H2001/00135 ,  B60H2001/00157 ,  B60H2001/00178 ,  F25B29/003 ,  F25B41/046

Abstract: A vehicle air conditioner includes a duct in which a partition member forming a first flow path and a second flow path is provided, and a heat pump circuit. In the heat pump circuit, a first indoor heat exchanger that contributes to heating is located in the first flow path or faces an outlet of the first flow path, and a second indoor heat exchanger that contributes to cooling is located in the second flow path. The duct is provided with at least one heating exhaust port for discharging air cooled in the second indoor heat exchanger to the outside of the vehicle interior in heating operation, and a cooling exhaust port for discharging air heated in the first indoor heat exchanger to the outside of the vehicle interior in cooling operation.

公开(公告)号：US09732998B2

公开(公告)日：2017-08-15

申请号：US14623153

申请日：2015-02-16

Applicant: Carrier Corporation

Inventor： Derek Leman ,  Matthew Austin

IPC: F25B1/00 ,  F25B41/04 ,  F25B13/00

CPC classification number: F25B41/046 ,  F25B13/00

Abstract: An HVAC system, including a reversing valve including a first port, a second port, and a third port, wherein the reversing valve may be placed into a first position in which the first port is operably coupled to the second port for the flow of refrigerant therebetween, and a second position in which the second port is operably coupled to the third port for the flow of refrigerant therebetween, a first HVAC component operably coupled to the first port, a second HVAC component operably coupled to the second port, and a third HVAC component operably coupled to the third port.

公开(公告)号：US20160305694A1

公开(公告)日：2016-10-20

申请号：US14442154

申请日：2013-11-12

Applicant: BS2 AG

Inventor： Hansjurg Leibundgut

IPC: F25B27/00 ,  F25B41/04 ,  F25B30/06

CPC classification number: F25B27/00 ,  F16K11/07 ,  F24D3/18 ,  F24D15/04 ,  F24D19/1045 ,  F24D19/1093 ,  F24D2200/12 ,  F25B30/06 ,  F25B41/046 ,  F25B2313/002 ,  F25B2313/02741 ,  Y02B10/40 ,  Y02B10/70 ,  Y02B30/12

Abstract: A valve arrangement includes a changeover valve having a housing (7) with at least four connection pieces (8) connected to a heat pump and at least four additional connection pieces (9). At least two of the additional connection pieces are connected to a heat source and at least two of the additional connection pieces are connected to a heat sink. At least one valve body (10) is associated with a drive element for moving the valve body relative to the different connection pieces in the housing. A heat exchanger (2) is connected during heating operation to the source side of the heat pump, in which a flow direction reversal of the heat transfer medium can be generated when there is a changeover between heating operation and cooling operation.

Abstract translation: 阀装置包括转换阀，其具有壳体（7），壳体具有连接到热泵的至少四个连接件（8）和至少四个另外的连接件（9）。 至少两个附加连接件连接到热源，并且至少两个附加连接件连接到散热器。 至少一个阀体（10）与用于使阀体相对于壳体中的不同连接件移动的驱动元件相关联。 热交换器（2）在加热操作期间连接到热泵的源侧，当在加热操作和制冷操作之间进行切换时，可以产生传热介质的流动方向反转。

公开(公告)号：US20160290683A1

公开(公告)日：2016-10-06

申请号：US15086500

申请日：2016-03-31

Applicant: Carrier Corporation

Inventor： Ahmad M. Mahmoud ,  Parmesh Verma ,  Thomas D. Radcliff ,  Richard G. Lord ,  Jeffrey J. Nieter

IPC: F25B13/00 ,  F25B43/00 ,  F25B41/04 ,  F25B47/00

CPC classification number: F25B13/00 ,  F25B41/046 ,  F25B43/00 ,  F25B47/006 ,  F25B2341/0012 ,  F25B2400/23 ,  F25B2500/31

Abstract: A heat pump system includes a refrigerant circuit, at least one variable speed compressor operating with a maximum pressure ratio of at least 5.0 and a variable speed range of at least three times (3×), a heat absorption heat exchanger, a heat rejection heat exchanger, an ejector disposed on the refrigerant circuit upstream of the compressor to extend a pressure ratio range and a volumetric flow range of the compressor in the cold climates, a separator disposed downstream of the ejector and upstream of the heat absorption heat exchanger, and at least one variable speed fan configured to move air through the heat rejection heat exchanger to provide a predefined an air discharge temperature greater than 90° F. A two-phase refrigerant is provided to an inlet of the heat absorption heat exchanger with a quality of less than or equal to 0.05.

Abstract translation: 热泵系统包括制冷剂回路，至少一个以最大压力比为至少5.0和至少三倍（3×）的变速范围运行的变速压缩机，吸热热交换器，排热热 交换器，设置在压缩机上游的制冷剂回路上的喷射器，以在寒冷气候中延伸压缩机的压力比范围和体积流量范围，设置在喷射器下游和吸热热交换器上游的分离器 至少一个变速风扇构造成将空气移动通过排热热交换器，以提供大于90°F的预定义的空气排放温度。两相制冷剂以较少的质量提供给吸热式热交换器的入口 大于等于0.05。

公开(公告)号：US20160245561A1

公开(公告)日：2016-08-25

申请号：US15027443

申请日：2013-10-25

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： Kosuke TANAKA ,  Yuji MOTOMURA

IPC: F25B41/04 ,  F25B5/02

CPC classification number: F25B41/046 ,  F24F3/065 ,  F24F2221/50 ,  F25B5/02 ,  F25B13/00 ,  F25B25/005 ,  F25B2313/0231 ,  F25B2313/0272 ,  F25B2313/02741 ,  F25B2600/2513 ,  F25B2700/19

Abstract: An object is to provide a refrigeration cycle apparatus that does not cause unevenness of capacity among branch units and a failure in controlling a refrigerant circuit. At least one of branch units is a first branch unit having a minimum pressure loss in distribution of refrigerant in a high-pressure refrigerant pipe between a heat source unit and the branch units, and at least another one of the branch units is a second branch unit having a maximum pressure loss in distribution of refrigerant in the high-pressure refrigerant pipe between the heat source unit and the branch units. An opening degree of an expansion device is controlled in such a manner that a differential pressure between a refrigerant pressure detected by a high-pressure detecting device of the first branch unit and a refrigerant pressure detected by an intermediate-pressure detecting device is greater than or equal to a set value ΔPHM.

Abstract translation: 本发明的目的是提供一种不会引起分支单元之间容量不均的制冷循环装置和控制制冷剂回路的失败。 分支单元中的至少一个是在热源单元和分支单元之间的高压制冷剂配管中具有最小的制冷剂分配压力损失的第一分支单元，并且至少另一个分支单元是第二分支 单元，其在所述热源单元和所述分支单元之间的所述高压制冷剂配管中具有制冷剂的分配中的最大压力损失。 控制膨胀装置的开度，使得由第一分支单元的高压检测装置检测的制冷剂压力与由中压检测装置检测的制冷剂压力之间的压差大于或等于 等于设定值ΔPHM。

公开(公告)号：US09404681B2

公开(公告)日：2016-08-02

申请号：US13984307

申请日：2012-03-05

Applicant: Kazunori Korenaga ,  Takeshi Kuramochi ,  Hirofumi Horiuchi

Inventor： Kazunori Korenaga ,  Takeshi Kuramochi ,  Hirofumi Horiuchi

IPC: F25B41/04 ,  F25B45/00 ,  F25B43/00 ,  F25B1/00

CPC classification number: F25B45/00 ,  F24F3/065 ,  F25B1/00 ,  F25B13/00 ,  F25B41/043 ,  F25B41/046 ,  F25B43/00 ,  F25B2313/0233 ,  F25B2313/02741 ,  F25B2345/001 ,  F25B2345/006 ,  F25B2400/053 ,  F25B2400/16

Abstract: In an air-conditioning apparatus equipped with an outdoor unit having outdoor devices including a compressor that compresses a refrigerant, a flow switching valve that switches the flowing direction of the refrigerant, an outdoor heat exchanger that exchanges heat between the refrigerant and outdoor air, a first expansion valve that reduces the pressure of the refrigerant, an excess-refrigerant container that retains an excess refrigerant of the refrigerant, and a second expansion valve that reduces the pressure of the refrigerant; and an indoor unit having an indoor heat exchanger that exchanges heat between the refrigerant and indoor air, the air-conditioning apparatus includes an outdoor-heat-exchanger refrigerant injection port provided in a refrigerant pipe that is directly connected to the outdoor heat exchanger, and an excess-refrigerant-container refrigerant injection port provided in a refrigerant pipe that is directly connected to the excess-refrigerant container.

Abstract translation: 在具备室外机的空调装置中，所述室外机具有包括压缩制冷剂的压缩机的室外机，切换制冷剂流动方向的流量切换阀，在制冷剂与室外空气之间进行热交换的室外热交换器， 第一膨胀阀，其减少制冷剂的压力，保持制冷剂的过剩制冷剂的过剩制冷剂容器和降低制冷剂压力的第二膨胀阀; 以及具有在制冷剂与室内空气之间进行热交换的室内热交换器的室内机，所述空气调节装置具备设置在与所述室外热交换器直接连接的制冷剂配管中的室外热交换制冷剂喷射口， 设置在与过剩制冷剂容器直接连接的制冷剂配管中的过剩制冷剂容器制冷剂注入口。

公开(公告)号：US20160209084A1

公开(公告)日：2016-07-21

申请号：US14915018

申请日：2014-08-29

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Satoshi KAWANO ,  Tomohisa TAKEUCHI ,  Sayoko KIMURA ,  Shinya MATSUOKA

IPC: F25B13/00 ,  F25B41/06 ,  F25B39/00 ,  F25B41/04

CPC classification number: F25B13/00 ,  F24F1/14 ,  F24F1/16 ,  F25B39/00 ,  F25B41/046 ,  F25B41/062 ,  F25B2313/007 ,  F25B2313/0231 ,  F25B2313/0233 ,  F25B2313/0253 ,  F25B2313/02743

Abstract: A heat recovery refrigeration device includes a compressor, a plurality of heat source side heat exchangers, and a plurality of usage side heat exchangers. The heat exchangers are switchable between individually functioning as an evaporator or a radiator. The heat recovery refrigeration device performs heat recovery between the usage side heat exchangers by sending the refrigerant from at least one of the usage side heat exchangers functioning as a radiator to at least one of the usage side heat exchangers functioning as an evaporator. The plurality of heat source side heat exchangers include a first heat source side heat exchanger and a second heat source side heat exchanger. The second heat source side heat exchanger has a heat exchange capacity 1.8 times to 4.0 times of the first heat source side heat exchanger.

Abstract translation: 热回收制冷装置包括压缩机，多个热源侧热交换器和多个使用侧热交换器。 热交换器可在单独用作蒸发器或散热器之间切换。 热回收制冷装置通过将作为散热器的至少一个使用侧热交换器的制冷剂发送到作为蒸发器起作用的使用侧热交换器中的至少一个来进行利用侧热交换器之间的热回收。 多个热源侧热交换器包括第一热源侧热交换器和第二热源侧热交换器。 第二热源侧热交换器的热交换容量为第一热源侧热交换器的1.8倍〜4.0倍。