公开(公告)号：US20230173429A1

公开(公告)日：2023-06-08

申请号：US18103920

申请日：2023-01-31

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tsunahiro OHDOU ,  Takashi TAKAHASHI ,  Eisaku OKUBO ,  Hidekazu TANAKA

IPC: B01D53/06 ,  F24F3/14 ,  F24F3/16 ,  B01D53/26

CPC classification number: B01D53/06 ,  B01D53/261 ,  F24F3/16 ,  F24F3/1423 ,  B01D2253/108 ,  B01D2257/80 ,  B01D2259/4009

Abstract: An air conditioning rotating body including a rotor having a cylindrical shape. The rotor is housed in a casing so as to be freely rotatable. The casing includes a seal member. The air conditioning rotating body treats air passing through the rotor in an axial direction. The seal member extends in a radial direction of the rotor and separates air passages. An end face of the rotor in the axial direction is provided with at least one spoke in contact with the seal member. A contact point of the seal member with the spoke is configured to move in the radial direction as the rotor rotates.

公开(公告)号：US20250044003A1

公开(公告)日：2025-02-06

申请号：US18720232

申请日：2022-12-08

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Shota TSURUZONO ,  Takashi TAKAHASHI ,  Tsunahiro ODO ,  Nobuki MATSUI ,  Yoshiki YAMANOI ,  Naotoshi FUJITA ,  Takuya HANADA ,  Yuta IYOSHI ,  Kumiko SAEKI ,  Takeru MIYAZAKI ,  Toshiyuki MAEDA ,  Tetsuya OKAMOTO

IPC: F25B47/02 ,  F25B13/00

Abstract: A ventilation apparatus includes a compressor; a first heat exchanger configured to function as a condenser or an evaporator; a first air flow path configured to supply air taken in from outdoors to an indoor space after passing through the first heat exchanger; a second heat exchanger configured to function as a condenser or an evaporator; a second air flow path configured to exhaust air taken in from the indoor space to the outdoors after passing through the second heat exchanger; a refrigerant circuit through which a refrigerant flows, the refrigerant circuit being connected to the compressor, the first heat exchanger, and the second heat exchanger by a refrigerant pipe; and a control unit configured to guide a flow of air in the indoor space to the second heat exchanger when the second heat exchanger is determined to be in a frosted state, to increase a temperature of the second heat exchanger, and configured to output a predetermined instruction to an actuator configured to control a state of the refrigerant in the refrigerant circuit to increase a temperature of the refrigerant flowing into the second heat exchanger.

公开(公告)号：US20240337401A1

公开(公告)日：2024-10-10

申请号：US18743804

申请日：2024-06-14

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takashi TAKAHASHI ,  Tsunahiro ODO ,  Shota TSURUZONO ,  Nobuki MATSUI ,  Takuya HANADA ,  Naotoshi FUJITA ,  Yoshiki YAMANOI ,  Yuta IYOSHI ,  Kumiko SAEKI ,  Takeru MIYAZAKI ,  Toshiyuki MAEDA ,  Tetsuya OKAMOTO

IPC: F24F11/43 ,  F24F11/81 ,  F24F11/84 ,  F24F140/20

CPC classification number: F24F11/43 ,  F24F11/81 ,  F24F11/84 ,  F24F2140/20

Abstract: A ventilation apparatus includes a processor; a compressor; a first heat exchanger; a first air flow path configured to supply air from outdoors to an indoor space after passing through the first heat exchanger; a second heat exchanger; a second air flow path configured to exhaust air from the indoor space to the outdoors after passing through the second heat exchanger; and a refrigerant circuit through which a refrigerant flows, the refrigerant circuit being connected to the compressor, and the first and second heat exchangers. The processor detects whether a predetermined reference indicating a possibility of frosting in the second heat exchanger is satisfied while the second heat exchanger is functioning as an evaporator, and controls a temperature of the refrigerant flowing through the second heat exchanger such that the second heat exchanger will have a temperature at which frosting does not occur, when the predetermined reference is satisfied.

公开(公告)号：US20240328658A1

公开(公告)日：2024-10-03

申请号：US18739726

申请日：2024-06-11

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tsunahiro ODO ,  Takashi TAKAHASHI ,  Shota TSURUZONO ,  Takuya HANADA ,  Naotoshi FUJITA ,  Yoshiki YAMANOI ,  Yuta IYOSHI ,  Kumiko SAEKI ,  Takeru MIYAZAKI ,  Nobuki MATSUI ,  Toshiyuki MAEDA ,  Tetsuya OKAMOTO

IPC: F24F11/64 ,  F24F11/00 ,  F24F11/46 ,  F24F11/77 ,  F24F11/86 ,  F24F110/10 ,  F24F110/20 ,  F24F140/50 ,  F24F140/60

CPC classification number: F24F11/64 ,  F24F11/0008 ,  F24F11/46 ,  F24F11/77 ,  F24F11/86 ,  F24F2110/10 ,  F24F2110/20 ,  F24F2140/50 ,  F24F2140/60 ,  F24F2203/021

Abstract: The air-conditioning system according to an embodiment is provided with a ventilation device, an air-conditioner, a processor, and a memory storing one or more programs, which when executed, cause the processor to control the ventilation device and the air-conditioner. The processor stores a first capability indicating a heat load that can be output corresponding to the power consumption of the ventilation device and a second capability indicating a heat load that can be output corresponding to the power consumption of the air conditioner, acquires the temperature of an indoor space, and sets the ventilation device and the air conditioner to share the first heat load that needs to be adjusted in the indoor space calculated based on the temperature of the indoor space according to the first capability and the second capability.

公开(公告)号：US20230167906A1

公开(公告)日：2023-06-01

申请号：US18103878

申请日：2023-01-31

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Tsunahiro OHDOU ,  Takashi TAKAHASHI ,  Eisaku OKUBO ,  Hidekazu TANAKA

IPC: F16J15/447 ,  F24F3/14 ,  B01D53/26 ,  B01D53/06

CPC classification number: F16J15/4476 ,  F24F3/1423 ,  B01D53/261 ,  B01D53/06 ,  B01D2257/80 ,  B01D2253/108 ,  B01D2253/3425 ,  B01D2259/4009

Abstract: An air conditioning rotating body includes a rotor having a cylindrical shape, and a labyrinth seal structure. The rotor is housed in a casing so as to be freely rotatable. The air conditioning rotating body treats air passing through the rotor in an axial direction. The labyrinth seal structure is provided between an outer circumferential portion of the rotor and the casing. The labyrinth seal structure includes a first protrusion protruding in the axial direction from the rotor toward the casing, and a second protrusion protruding in the axial direction from the casing toward the rotor.

公开(公告)号：US20220074608A1

公开(公告)日：2022-03-10

申请号：US17531171

申请日：2021-11-19

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Takeshi ARAKAWA ,  Yu JIANG ,  Takayuki SUNAYAMA ,  Eisaku OKUBO ,  Takashi TAKAHASHI

IPC: F24F3/14 ,  F24F7/013 ,  F24F11/65

Abstract: The humidity control unit includes: an air passage through which a first space which is a target space and a second space communicate with each other; a moisture absorber arranged in the air passage and configured to absorb moisture from air and desorb the moisture to the air; a heat source arranged in the air passage and configured to at least cool or heat the moisture absorber; an air transport mechanism configured to allow the air in the air passage to flow in reverse directions; and a controller configured to control the heat source and the air transport mechanism.