公开(公告)号：US20230174836A1

公开(公告)日：2023-06-08

申请号：US18102324

申请日：2023-01-27

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Mitsushi ITANO ,  Shun OHKUBO ,  Satoshi TOKUNO ,  Kenji GOBOU

IPC: C09K5/04

CPC classification number: C09K5/044 ,  C09K2205/122 ,  C09K2205/126 ,  C09K2205/42

Abstract: An object is to provide a novel low-GWP mixed refrigerant. Provided is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132 (E)), trifluoroiodomethane (CF3I), 2,3,3,3-tetrafluoro-1-propene (R1234yf), and difluoromethane (R32).

公开(公告)号：US20230135967A1

公开(公告)日：2023-05-04

申请号：US18088991

申请日：2022-12-27

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Shun OHKUBO ,  Tatsumi TSUCHIYA ,  Tsubasa NAKAUE ,  Takurou YAMADA ,  Satoshi TOKUNO

IPC: F25B9/10 ,  F25B9/00

Abstract: An object is to provide a novel multi-stage refrigeration apparatus. The object is achieved by a refrigeration apparatus comprising a user-side heat transfer cycle that includes a user-side compressor, a user-side heat exchanger, a user-side pressure-reducing device, and a user-side cascade heat exchanger, and that circulates a user-side refrigerant; a heat-source-side heat transfer cycle that includes a heat-source-side compressor, a heat-source-side heat exchanger, a heat-source-side pressure-reducing device, and a heat-source-side cascade heat exchanger, and that circulates a heat-source-side refrigerant; a cascade heat exchanger configured to exchange heat between the user-side refrigerant of a user-side condenser and the heat-source-side refrigerant of a heat-source-side evaporator; and a control device, the user-side refrigerant having a boiling point of -30° C. or more and 25° C. or less, and the heat-source-side refrigerant having a boiling point of -55° C. or more and less than -30° C.

公开(公告)号：US20230151257A1

公开(公告)日：2023-05-18

申请号：US18098962

申请日：2023-01-19

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Mitsushi ITANO ,  Shun OHKUBO ,  Daisuke KARUBE ,  Satoshi TOKUNO

IPC: C09K5/04

CPC classification number: C09K5/045 ,  C09K2205/42 ,  C09K2205/122 ,  C09K2205/126 ,  C09K2205/22

Abstract: An object is to provide a novel low-GWP mixed refrigerant. Provided is a composition comprising a refrigerant, the refrigerant comprising difluoromethane (R32), trans-1,2-difluoroethylene (HFO-1132(E)), 1,3,3,3-tetrafluoropropene (R1234ze), and 1,1-difluoroethylene (HFO-1132a).

公开(公告)号：US20180222823A1

公开(公告)日：2018-08-09

申请号：US15748362

申请日：2016-06-15

Applicant: DAIKIN INDUSTRIES, LTD. ,  KYOTO UNIVERSITY

Inventor： Tatsuya MORIKAWA ,  Mana SHIMOKAWA ,  Katsuki FUJIWARA ,  Satoshi TOKUNO ,  Masakazu HIGUCHI ,  Susumu KITAGAWA

IPC: C07C7/12 ,  C07C11/04 ,  C07C17/389 ,  C07C21/185 ,  B01D53/02 ,  B01J20/22 ,  B01J20/28

CPC classification number: C07C7/12 ,  B01D53/02 ,  B01J20/0211 ,  B01J20/0218 ,  B01J20/0225 ,  B01J20/0237 ,  B01J20/226 ,  B01J20/26 ,  B01J20/28 ,  B01J20/28066 ,  C07C11/04 ,  C07C17/389 ,  C07C21/18 ,  C07C21/185 ,  C07C63/28 ,  C07C63/307 ,  C07C63/333 ,  C07C65/03 ,  C07F1/08 ,  C07F7/00 ,  C07F11/00 ,  C07F15/04 ,  C08G79/14

Abstract: The method according to this disclosure is a method for separating an unsaturated hydrocarbon having 2 or 3 carbon atoms and a halogenated unsaturated carbon compound formed by replacing at least one of hydrogen atoms included in the unsaturated hydrocarbon with a fluorine atom, from each other and is a method for selectively adsorbing either the unsaturated hydrocarbon or the halogenated unsaturated carbon compound by a porous coordination polymer that includes a metallic ion having a valence of 2 to 4 and an aromatic anion having 1 to 6 aromatic ring(s).

公开(公告)号：US20240287368A1

公开(公告)日：2024-08-29

申请号：US18591699

申请日：2024-02-29

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Mitsushi ITANO ,  Tomoyuki GOTOU ,  Takashi YOSHIMURA ,  Takashi USUI ,  Tsubasa NAKAUE ,  Satoshi TOKUNO

IPC: C09K5/04

CPC classification number: C09K5/045 ,  C09K2205/122 ,  C09K2205/126 ,  C09K2205/22 ,  C09K2205/40

Abstract: An object is to provide a novel low-GWP mixed refrigerant. Provided as a means for solution is a composition comprising a refrigerant, the refrigerant comprising 1,1-difluoroethane (R152a), and difluoromethane (R32) and/or X in a total amount of 99.5 mass % or more based on the entire refrigerant, wherein X is trans-1,2-difluoroethylene (HFO-1132 (E)) and/or trifluoroethylene (HFO-1123).

公开(公告)号：US20240010896A1

公开(公告)日：2024-01-11

申请号：US18244062

申请日：2023-09-08

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Mitsushi ITANO ,  Shun OHKUBO ,  Satoshi TOKUNO ,  Tomoyuki GOTOU ,  Takashi USUI ,  Takashi YOSHIMURA

IPC: C09K5/04

CPC classification number: C09K5/045 ,  C09K2205/22 ,  C09K2205/126 ,  C09K2205/122 ,  C09K2205/40

Abstract: An object is to suppress disproportionation in a refrigerant comprising HFO-1132(E). Provided as a means for a solution is a method for suppressing a disproportionation reaction of HFO-1132(E), the method comprising operating a refrigeration cycle using a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and difluoromethane (R32).

公开(公告)号：US20220145155A1

公开(公告)日：2022-05-12

申请号：US17559097

申请日：2021-12-22

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Mitsushi ITANO ,  Shun OHKUBO ,  Daisuke KARUBE ,  Satoshi TOKUNO

IPC: C09K5/04

Abstract: Provided is a novel low-GWP mixed refrigerant. A composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)), 1,1-difluoroethylene (HFO-1132a), 2,3,3,3-tetrafluoro-l-propene (R1234yf), and difluoromethane (R32).

公开(公告)号：US20220112416A1

公开(公告)日：2022-04-14

申请号：US17554591

申请日：2021-12-17

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Mitsushi ITANO ,  Shun OHKUBO ,  Daisuke KARUBE ,  Satoshi TOKUNO

IPC: C09K5/04 ,  F25B41/40

Abstract: An object is to provide a novel low-GWP mixed refrigerant. Provided as a means for a solution is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)) and difluoromethane (R32), wherein HFO-1132(E) is present in an amount of 25 to 27 mass % based on the total of HFO-1132(E) and R32, and R32 is present in an amount of 73 to 75 mass % based on the total of HFO-1132(E) and R32.

公开(公告)号：US20240228852A1

公开(公告)日：2024-07-11

申请号：US18615107

申请日：2024-03-25

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Mitsushi ITANO ,  Satoshi TOKUNO ,  Tomoyuki GOTOU ,  Takashi USUI ,  Takashi YOSHIMURA

IPC: C09K5/04 ,  C09K5/08 ,  F25B9/00

CPC classification number: C09K5/045 ,  C09K5/08 ,  F25B9/006 ,  C09K2205/122 ,  C09K2205/126 ,  C09K2205/22 ,  C09K2205/40

Abstract: An object is to provide a novel low-GWP mixed refrigerant. As a solution thereof, provided is a composition comprising a refrigerant, the refrigerant comprising HFO-1123 and HFO-1234yf, wherein the total content of HFO-1123 and HFO-1234yf is 99.5 mass % or more based on the entire refrigerant, and the content of HFO-1123 is 42.5 to 46.1 mass % and the content of HFO-1234yf is 53.9 to 57.5 mass % based on the sum of HFO-1123 and HFO-1234yf.

公开(公告)号：US20240043728A1

公开(公告)日：2024-02-08

申请号：US18226936

申请日：2023-07-27

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Mitsushi ITANO ,  Shun OHKUBO ,  Satoshi TOKUNO ,  Tomoyuki GOTOU ,  Takashi YOSHIMURA ,  Takashi USUI ,  Tatsumi TSUCHIYA ,  Tsubasa NAKAUE

IPC: C09K5/04

CPC classification number: C09K5/045 ,  C09K2205/126 ,  C09K2205/42

Abstract: The present disclosure aims to provide a novel refrigerant comprising HFO-1132(E). As a solution for the problem, the disclosure provides a composition comprising a refrigerant, the refrigerant comprising HFO-1132(E), R32, and