公开(公告)号：US20240271843A1

公开(公告)日：2024-08-15

申请号：US18439515

申请日：2024-02-12

Applicant: Carrier Corporation

Inventor： Chaojie Wang ,  Xiaojun Guo ,  Hui Zhai

IPC: F25B49/02 ,  F25B30/02

CPC classification number: F25B49/02 ,  F25B30/02 ,  F25B2313/0233 ,  F25B2313/029 ,  F25B2313/031

Abstract: A valve module and a heat pump system are disclosed. The heat pump system comprises: an outdoor unit, a plurality of indoor units, one or more valve modules, a plurality of sensors and a control device. The control device is connected to the plurality of sensors and configured to execute a local cut-off step upon receiving a signal indicating refrigerant leakage in a corresponding indoor unit sent from any sensor, the local cut-off step comprising: closing the indoor unit throttling element of the indoor unit with leakage; and closing the corresponding branch control valve in the valve module connected to the indoor unit with leakage. The valve module and heat pump system according to the embodiments of the invention can effectively prevent continuous refrigerant leakage into the room and have minimal impact on other indoor units of the heat pump system.

公开(公告)号：US20190316821A1

公开(公告)日：2019-10-17

申请号：US16381627

申请日：2019-04-11

Applicant: Carrier Corporation

Inventor： Hui Zhai ,  Runfu Shi ,  Xiangyu Gao ,  Guangyu Shen ,  YuHui Kuang ,  Yu Zhu

IPC: F25B49/02 ,  F25B45/00

Abstract: A device and a method for detecting a refrigerant leakage of an air source cooling-only system, wherein the detection method comprises S1: obtaining an operating parameter of an air-cooled cooling-only air source cooling-only system, wherein the operating parameter comprises at least a compressor speed or capacity; S2: comparing the operating parameter with a preset operating parameter interval; S3: updating a cumulative score when the operating parameter falls within the preset operating parameter interval; and S4: determining that a refrigerant leakage has occurred when the cumulative score exceeds a predefined cumulative score, and returning to step S1 when the cumulative score does not exceed the predefined cumulative score.

公开(公告)号：US12222115B2

公开(公告)日：2025-02-11

申请号：US17591913

申请日：2022-02-03

Applicant: Carrier Corporation

Inventor： Shuguang Zhang ,  Yuhui Kuang ,  Hui Zhai ,  Guangyu Shen ,  Hongsheng Liu ,  Michael J. Birnkrant

IPC: F24F1/0353 ,  F24F3/16 ,  F24F7/08 ,  F24F11/89

Abstract: An air purification includes a body portion, having a first installation space, a second installation space and a third installation space; a positive/negative ion module, removably mounted in the first installation space and controlled to generate positive ions and/or negative ions; a plasma module, removably mounted in the second installation space and controlled to generate plasmas; and a power supply module, removably mounted in the third installation space and configured to supply power for the positive/negative ion module and the plasma module.

公开(公告)号：US11892214B2

公开(公告)日：2024-02-06

申请号：US17125082

申请日：2020-12-17

Applicant: CARRIER CORPORATION

Inventor： Guangyu Shen ,  Hui Zhai

IPC: F25B49/02 ,  F25B41/20 ,  F25B30/02 ,  F25B41/40

CPC classification number: F25B49/02 ,  F25B30/02 ,  F25B41/20 ,  F25B41/40 ,  F25B2600/2515 ,  F25B2600/2519

Abstract: The present application provides an outdoor unit and a heat pump system. The outdoor unit includes a compressor, a valve assembly, an outdoor heat exchanger, a first pipeline port and a second pipeline port; a first branch that connects the valve assembly and the first pipeline port, the first branch being provided with the outdoor heat exchanger and a first switch valve assembly; a second branch that connects the mode switch valve assembly and the first pipeline port, wherein the second branch is provided with a second switch valve assembly; a third branch that connects the second pipeline port and the refrigerant inlet of the outdoor heat exchanger. The first and second switch valve assemblies control the on and off of the first branch and the second branch so that the refrigerant flows through the refrigerant inlet and the refrigerant outlet of the outdoor heat exchanger.

公开(公告)号：US20220252280A1

公开(公告)日：2022-08-11

申请号：US17591913

申请日：2022-02-03

Applicant: Carrier Corporation

Inventor： Shuguang Zhang ,  Yuhui Kuang ,  Hui Zhai ,  Guangyu Shen ,  Hongsheng Liu ,  Michael J. Birnkrant

IPC: F24F1/0353 ,  F24F3/16 ,  F24F7/08 ,  F24F11/89

Abstract: An air purification includes a body portion, having a first installation space, a second installation space and a third installation space; a positive/negative ion module, removably mounted in the first installation space and controlled to generate positive ions and/or negative ions; a plasma module, removably mounted in the second installation space and controlled to generate plasmas; and a power supply module, removably mounted in the third installation space and configured to supply power for the positive/negative ion module and the plasma module.

公开(公告)号：US20210318045A1

公开(公告)日：2021-10-14

申请号：US17125082

申请日：2020-12-17

Applicant: CARRIER CORPORATION

Inventor： Guangyu Shen ,  Hui Zhai

IPC: F25B49/02 ,  F25B41/20 ,  F25B41/40 ,  F25B30/02

Abstract: The present application provides an outdoor unit and a heat pump system. The outdoor unit includes a compressor, a valve assembly, an outdoor heat exchanger, a first pipeline port and a second pipeline port; a first branch that connects the valve assembly and the first pipeline port, the first branch being provided with the outdoor heat exchanger and a first switch valve assembly; a second branch that connects the mode switch valve assembly and the first pipeline port, wherein the second branch is provided with a second switch valve assembly; a third branch that connects the second pipeline port and the refrigerant inlet of the outdoor heat exchanger. The first and second switch valve assemblies control the on and off of the first branch and the second branch so that the refrigerant flows through the refrigerant inlet and the refrigerant outlet of the outdoor heat exchanger.

公开(公告)号：US20240146100A1

公开(公告)日：2024-05-02

申请号：US18498408

申请日：2023-10-31

Applicant: Carrier Corporation

Inventor： Xiaojun Guo ,  Zehang Yu ,  Hui Zhai ,  Jian Ni

IPC: H02J9/06 ,  F24F11/32 ,  H02J7/00 ,  H02J7/34

CPC classification number: H02J9/068 ,  F24F11/32 ,  H02J7/0047 ,  H02J7/0063 ,  H02J7/0068 ,  H02J7/345 ,  H02J2207/20 ,  H02J2207/50

Abstract: The present application relates to a battery box, the battery box comprising: a charging and energy storage unit for charging and storing electrical energy using an input voltage supplied to the battery box; a power failure detection unit for detecting a power failure of the input voltage; and a power output switching unit for switching an output based on a detection result of the power failure detection unit, wherein the power output switching unit is configured to output a voltage from the charging and energy storage unit when the power failure detection unit detects a power failure, and is configured not to output the voltage when the power failure detection unit does not detect the power failure. The present application also relates to an air conditioning system and a control method for the air conditioning system.

公开(公告)号：US11913680B2

公开(公告)日：2024-02-27

申请号：US17573947

申请日：2022-01-12

Applicant: Carrier Corporation

Inventor： Hui Zhai ,  Guangyu Shen

IPC: F25B13/00 ,  F24D11/02 ,  F24D19/10 ,  F24H4/04

CPC classification number: F25B13/00 ,  F24D11/0214 ,  F24D19/1039 ,  F24H4/04 ,  F24D2200/123 ,  F25B2313/0272 ,  F25B2313/02742

Abstract: A heat pump system includes a first unit; a second unit connected to a first flow path of the first unit; and a third unit connected to a second flow path of the first unit and connected to the second unit. The heat pump system can operate in a cooling and water heating mode and a heating and water heating mode, wherein, in the cooling and water heating mode, the heat pump system is configured to switch a switching assembly to a first position and connect the at least one first heat exchangers and the second heat exchanger in series; in the heating and water heating mode, the heat pump system is configured to switch the switching assembly to a second position and connect the second heat exchanger and the at least one third heat exchangers in parallel.

公开(公告)号：US11732939B2

公开(公告)日：2023-08-22

申请号：US16381792

申请日：2019-04-11

Applicant: Carrier Corporation

Inventor： Hui Zhai ,  Runfu Shi ,  Xiangyu Gao ,  Guangyu Shen ,  YuHui Kuang ,  Yu Zhu

IPC: F24F11/36 ,  F25B49/00 ,  F25B30/02

CPC classification number: F25B49/005 ,  F24F11/36 ,  F25B30/02 ,  F25B2313/031 ,  F25B2500/222 ,  F25B2700/171 ,  F25B2700/1931 ,  F25B2700/21161

Abstract: An apparatus and a method for detecting refrigerant leakage in an air source heat pump system. The method for detecting refrigerant leakage in an air source heat pump system includes the following steps in a cooling mode: S110: obtaining a running parameter of an air source heat pump system, wherein the running parameter at least includes a compressor rotational speed; S120: comparing the running parameter with a preset running parameter range; S130: updating a cumulative score when the running parameter falls within the preset running parameter range; and S140: when the cumulative score exceeds a predetermined cumulative score, determining that refrigerant leakage occurs, and when the cumulative score does not exceed the predetermined cumulative score, return to step S110.

公开(公告)号：US20230235943A1

公开(公告)日：2023-07-27

申请号：US18158568

申请日：2023-01-24

Applicant: Carrier Corporation

Inventor： Guangyu Shen ,  Guang Zhang ,  Hui Zhai

IPC: F25D21/00 ,  F25B13/00 ,  F25B41/20

CPC classification number: F25D21/004 ,  F25B13/00 ,  F25B41/20 ,  F25B2600/2515

Abstract: A heat pump system and a control method thereof. The heat pump system includes: a compressor; an indoor heat exchanger; an outdoor heat exchanger configured as an interlaced heat exchanger having at least two refrigerant flow paths; a plurality of throttling elements; and a first type four-way valve and a second type four-way valve; in a local defrosting mode, refrigerant flows sequentially from the exhaust port of the compressor through at least one of the at least two refrigerant flow paths of the outdoor heat exchanger, the throttling element, at least another of the at least two refrigerant flow paths of the outdoor heat exchanger and the suction port of the compressor.