公开(公告)号：US12025357B2

公开(公告)日：2024-07-02

申请号：US17007304

申请日：2020-08-31

Applicant: Walmart Apollo, LLC

Inventor： James Patrick McClendon

IPC: F25B49/02 ,  F25B6/02 ,  F25B45/00

CPC classification number: F25B49/027 ,  F25B6/02 ,  F25B45/00 ,  F25B2700/133 ,  F25B2700/19 ,  F25B2700/21

Abstract: Provided are a refrigeration heat reclaim unit and method, comprising a heat exchanger, comprising a refrigerant inlet that receives a flow of refrigerant having a first state; a refrigerant outlet that outputs the flow of refrigerant having a second state; a water loop inlet that receives a flow of liquid at a first temperature; a water loop outlet that outputs the flow of liquid from the reclaim heat exchanger at a second temperature that is greater than the first temperature in response to the flow of refrigerant. The refrigeration reclaim unit also comprises a refrigerant flow control device having outputs to the refrigerant inlet and an air-cooled condenser, respectively for controlling the flow of refrigerant to at least one of the refrigerant inlet and the air-cooled condenser for maintaining a predetermined flow quality value at the refrigerant outlet.

公开(公告)号：US12018874B2

公开(公告)日：2024-06-25

申请号：US17195985

申请日：2021-03-09

Applicant: Ingersoll-Rand Industrial U.S., Inc.

Inventor： Lalitkumar Jamnadas Vaishnav

IPC: F25B49/02 ,  F24F13/22 ,  F25B1/00 ,  F24F110/00

CPC classification number: F25B49/022 ,  F24F13/22 ,  F25B1/00 ,  F24F2110/00 ,  F25B49/02 ,  F25B2500/14 ,  F25B2600/0251 ,  F25B2600/0261 ,  F25B2700/11 ,  F25B2700/21151 ,  F25B2700/21152 ,  F25B2700/21174

Abstract: Methods are provided for controlling a refrigerated dryer of a gas compressor system. In an aspect, a control system, including a controller and a flow sensor, selectively operates in a power saving mode in which the controller shuts down a refrigerant compressor included in the dryer system when the flow sensor indicates that no compressed gas is flowing through the dryer. The control system uses input from a temperature sensor to determine whether to activate the compressor regardless of the flow of compressed gas through the dryer.

公开(公告)号：US12018873B2

公开(公告)日：2024-06-25

申请号：US17699676

申请日：2022-03-21

Applicant: Hill Phoenix, Inc.

Inventor： Peter J. Ferretti ,  Victor N. Votary ,  Jeffrey Newel

IPC: F25B49/02 ,  F25B29/00 ,  F25B41/22 ,  F25B41/31 ,  F25B47/02

CPC classification number: F25B49/02 ,  F25B41/22 ,  F25B41/31 ,  F25B47/022 ,  F25B29/003 ,  F25B2347/02 ,  F25B2400/19

Abstract: A refrigeration system includes a first compressor system, a second compressor system, a first conduit, a heat exchanger, a second conduit, and a third conduit. The first compressor system includes a plurality of first compressors. The second compressor system includes a plurality of second compressors. The first conduit is configured to provide refrigerant from the first compressor system to the second compressor system. The second conduit is fluidly coupled to the first conduit and configured to provide the refrigerant from the first compressor system to the heat exchanger. The third conduit is configured to provide the refrigerant from the second compressor system to the heat exchanger.

公开(公告)号：US20240200843A1

公开(公告)日：2024-06-20

申请号：US18555984

申请日：2021-07-07

Applicant: Mitsubishi Electric Corporation

Inventor： Nobuhiro WADA

IPC: F25B49/02

CPC classification number: F25B49/02

Abstract: An air-conditioning apparatus includes a refrigerant circuit including a compressor, a heat-source-side heat exchanger, an expansion device, a load-side heat exchanger, and a shut-off valve connected in sequence by pipes to allow refrigerant to flow therethrough; a heat-source-side air-sending device configured to send air to the heat-source-side heat exchanger; a leakage detecting unit configured to detect refrigerant leakage; and a controller configured to perform cooling operation. The controller is configured to, if the leakage detecting unit detects refrigerant leakage during cooling operation, close the shut-off valve after lowering an operation frequency of the compressor and increasing a rotation speed of the heat-source-side air-sending device.

公开(公告)号：US20240200841A1

公开(公告)日：2024-06-20

申请号：US18538472

申请日：2023-12-13

Applicant: Carrier Corporation

Inventor： Sascha Hellmann ,  Subramanyaravi Annapragada ,  Rebecca Shen

IPC: F25B49/02

CPC classification number: F25B49/02 ,  F25B2400/24 ,  F25B2700/15

Abstract: A refrigeration circuit with thermal storage is disclosed. The circuit refrigeration comprises a gas-cooler comprising an inlet, and an outlet, and a compressor unit comprising one or more compressors. The outlet of the compressor unit is fluidically connected to the inlet of the gas-cooler. The refrigeration circuit comprises evaporators comprising an inlet, and an outlet, where the outlet of the evaporators is fluidically coupled to the inlet of the compressor unit. The refrigeration circuit comprises a flash tank fluidically connected between the gas-cooler and the compressor unit, and the evaporators and the compressor unit. Further, the circuit refrigeration comprises a thermal battery fluidically coupled to the gas-cooler, the flash tank, the compressor unit, and the evaporators. The thermal battery is used as a heat source and a heat sink based on the energy pricing of an electric grid to optimize the operation of the gas-cooler, evaporators, and the compressors.

公开(公告)号：US12013139B2

公开(公告)日：2024-06-18

申请号：US17280643

申请日：2019-09-27

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takeshi Hikawa ,  Shinichi Kasahara ,  Manabu Yoshimi

IPC: F25B49/02 ,  F24F3/06 ,  F24F11/36 ,  F24F11/49 ,  F24F11/86 ,  F25B41/31 ,  F25B45/00 ,  F24F11/84 ,  F24F110/10 ,  F24F110/12 ,  F24F140/20 ,  F25B13/00

CPC classification number: F24F11/86 ,  F24F3/065 ,  F24F11/36 ,  F24F11/49 ,  F25B41/31 ,  F25B45/00 ,  F25B49/02 ,  F24F11/84 ,  F24F2110/10 ,  F24F2110/12 ,  F24F2140/20 ,  F24F2221/54 ,  F25B13/00 ,  F25B2313/0233 ,  F25B2313/0293 ,  F25B2313/0314 ,  F25B2345/006 ,  F25B2400/13 ,  F25B2600/2513 ,  F25B2700/1931 ,  F25B2700/21

Abstract: An air conditioning apparatus includes a refrigerant circuit in which a plurality of indoor units respectively including an indoor heat exchanger and an indoor expansion valve are connected to an outdoor unit including an outdoor expansion valve via a liquid-refrigerant connection pipe. The air conditioning apparatus individually controls each of the indoor units to operate or stop. The air conditioning apparatus includes a controller. When at least one of the indoor heat exchangers functions as a radiator, the controller controls an opening degree of the indoor expansion valve and an opening degree of the outdoor expansion valve. The apparatus—determines whether a refrigerant amount in the refrigerant circuit is appropriate on the basis of an amount of change corresponding to a change in state of a refrigerant between the indoor expansion valve and the outdoor expansion valve.

公开(公告)号：US20240191924A1

公开(公告)日：2024-06-13

申请号：US18553347

申请日：2021-05-27

Applicant: Mitsubishi Electric Corporation

Inventor： Yusei ONO ,  Yasutaka OCHIAI ,  Mamoru HAMADA

IPC: F25B49/02 ,  F25B31/00

CPC classification number: F25B49/02 ,  F25B31/002 ,  F25B2500/16 ,  F25B2500/222 ,  F25B2600/2513 ,  F25B2700/195 ,  F25B2700/21

Abstract: A refrigerant leak determination apparatus is provided with a refrigeration cycle device, connection devices, and a control device. The refrigeration cycle device is configured with an indoor unit and an outdoor unit. The refrigeration cycle device includes a refrigerant circuit. Each of the connection devices has a communication opening to an internal space of the refrigerant circuit, and is connected to a pressure sensor that measures a refrigerant pressure in the internal space. The control device causes the refrigeration cycle device to perform oil recovery operation to collect oil inside the refrigerant circuit in a compressor, and determines a leak of the refrigerant from the refrigerant circuit, by comparing a reference pressure with the refrigerant pressure measured by the pressure sensor after the oil recovery operation.

公开(公告)号：US12007153B2

公开(公告)日：2024-06-11

申请号：US17909056

申请日：2020-05-20

Applicant: Mitsubishi Electric Corporation

Inventor： Yasutaka Ochiai

IPC: F25B49/02 ,  F24F11/38

CPC classification number: F25B49/025 ,  F24F11/38 ,  F25B2400/0409 ,  F25B2400/0411 ,  F25B2700/1931 ,  F25B2700/21163

Abstract: A refrigeration cycle apparatus includes: a refrigerant circuit in which a compressor, a condenser, an expansion device, and an evaporator are connected by pipes, and refrigerant circulates; a high-pressure sensor that detects a pressure of the refrigerant on a discharge side of the compressor; a first temperature sensor that detects a temperature of the refrigerant on an outlet side of the condenser; and a controller that determines that the high-pressure sensor is abnormal, when the compressor is in operation and the temperature detected by the first temperature sensor is higher than a saturated liquid temperature or a saturated gas temperature that is calculated from the pressure detected by the high-pressure sensor.

公开(公告)号：US20240188256A1

公开(公告)日：2024-06-06

申请号：US18520032

申请日：2023-11-27

Applicant: Hebei Qinhuai Data Co., Limited.

Inventor： Binghua ZHANG ,  Mingjiang LI

IPC: H05K7/20 ,  F25B49/02

CPC classification number: H05K7/20827 ,  F25B49/022 ,  H05K7/20309 ,  H05K7/20318 ,  H05K7/20327 ,  H05K7/20354 ,  F25B2600/0251 ,  F25B2600/13 ,  F25B2600/2519 ,  F25B2700/2106

Abstract: The present disclosure discloses a container data center and a refrigeration control method thereof. The container data center at least includes a box body, a server unit and a refrigeration device, where the box body is internally provided with an accommodating space. The server unit is installed in the accommodating space, and a reserved space is reserved between two sides and a top of the server unit and an inner wall of the box body. The refrigeration device includes an indoor unit and an outdoor unit, where the indoor unit is installed in the reserved space, and the indoor unit is positioned above the server unit to divide the reserved space into a cold runner and a hot runner.

公开(公告)号：US20240183599A1

公开(公告)日：2024-06-06

申请号：US17799555

申请日：2021-07-09

Applicant: Haier US Appliance Solutions, Inc.

Inventor： Jin Wu ,  Bo Yan ,  Yayu Song ,  Eddy Zhou ,  Michael Zhou ,  Roy Teng ,  Zhijun Shi ,  Jason Jiang ,  Brent Junge ,  Justin Brown

IPC: F25C5/10 ,  F25B39/02 ,  F25B49/02

CPC classification number: F25C5/10 ,  F25B39/02 ,  F25B49/02

Abstract: An ice making assembly includes a mold body defining an ice-making cavity. An evaporator is coupled to the mold body. The evaporator includes a cap positioned on the mold body such that an open end of the cap is positioned at the mold body. An inlet tube is mounted to the cap. An outlet tube is also mounted to the cap. An evaporation chamber is formed between the cap and the mold body. The inlet tube is configured for directing a flow of refrigerant into the evaporation chamber, and the outlet tube configured for directing the flow of refrigerant out of the evaporation chamber.