公开(公告)号：US20210198549A1

公开(公告)日：2021-07-01

申请号：US17202426

申请日：2021-03-16

Applicant: AGC Inc.

Inventor： Masato FUKUSHIMA

IPC: C09K5/04

Abstract: A working fluid for heat cycle, a composition for a heat cycle system containing the working fluid, and a heat cycle system employing the composition are provided. The working fluid has a low global warming potential and can replace R410A. The working fluid contains trifluoroethylene, 2,3,3,3-tetrafluoropropene, and optionally a hydrofluoroolefin other than trifluoroethylene and 2,3,3,3-tetrafluoropropene. The total proportion of trifluoroethylene and 2,3,3,3-tetrafluoropropene based on the entire amount of the working fluid is from 70 to 100 mass %.

公开(公告)号：US20190186799A1

公开(公告)日：2019-06-20

申请号：US16285257

申请日：2019-02-26

Applicant: AGC Inc.

Inventor： Hiroki HAYAMIZU ,  Masato FUKUSHIMA ,  Hirokazu TAKAGI

IPC: F25B49/00 ,  F16L55/24 ,  F25B41/00

CPC classification number: F25B49/005 ,  C09K5/04 ,  C09K5/045 ,  C09K2205/126 ,  F16L55/24 ,  F25B1/00 ,  F25B41/003 ,  F25B49/02 ,  F25B2347/00 ,  F25B2500/04 ,  Y02P20/124

Abstract: A heat cycle system is a heat cycle system (1) using a working medium containing hydrofluoroolefin (HFO) that has a double bond in a molecule structure, the heat cycle system (1) having a compressor (10), a high-pressure side heat exchanger (12), a low-pressure side heat exchanger (14), an expansion mechanism (13), and an acid detection means (40) which is disposed in a discharge pipe (21) connecting the compressor (10) and the high-pressure side heat exchanger (12) and which detects acid generated by decomposition of the working medium in a heat cycle.

公开(公告)号：US20180320043A1

公开(公告)日：2018-11-08

申请号：US16037399

申请日：2018-07-17

Applicant: AGC INC.

Inventor： Mai TASAKA ,  Masato FUKUSHIMA ,  Hiroki HAYAMIZU

IPC: C09K5/04

CPC classification number: C09K5/045 ,  C09K5/04 ,  C09K2205/122 ,  C09K2205/22 ,  C09K2205/34 ,  F25B1/00 ,  F25B45/00

Abstract: The present invention relates to a filling method for a mixed refrigerant, in which in a case of transferring and filling a mixed refrigerant that contains trifluoroethylene and 2,3,3,3-tetrafluoropropene and in which the trifluoroethylene is present in an amount of 10 to 92 mass % in a liquid phase, with respect to a total 100 mass % of the trifluoroethylene and the 2,3,3,3-tetrafluoropropene, in a liquid from a feeding container to a target container and equipment, a liquid phase mixing ratio (initial composition) of the trifluoroethylene in the mixed refrigerant in the feeding container immediately before the transferring and filling is set to x+yP (minimum value) to x % (target upper limit composition).

公开(公告)号：US20240318060A1

公开(公告)日：2024-09-26

申请号：US18675264

申请日：2024-05-28

Applicant: AGC INC.

Inventor： Hiroki HAYAMIZU ,  Masato FUKUSHIMA ,  Hidekazu OKAMOTO

IPC: C09K5/04

CPC classification number: C09K5/045 ,  C09K2205/126 ,  C09K2205/32

Abstract: A working medium contains propane, at least one of 1,1,2-trifluoroethylene or (E)-1,2-difluoroethylene, and at least one selected from the group consisting of 2,3,3,3-tetrafluoro-1-propene, (E)-1,3,3,3-tetrafluoropropene, difluoromethane, CO2, CF3I, (Z)-1-chloro-2,3,3,3-tetrafluoropropene, (E)-1-chloro-2,3,3,3-tetrafluoropropene, (E)-1-chloro-3,3,3-trifluoropropene, (E)-1,1,1,4,4,4-hexafluoro-2-butene, (Z)-1,2,3,3,3-pentafluoropropene, and (E)-1,2,3,3,3-pentafluoropropene, in which a combustion heat amount is less than 19.000 MJ/kg.

公开(公告)号：US20230183536A1

公开(公告)日：2023-06-15

申请号：US18166864

申请日：2023-02-09

Applicant: AGC Inc.

Inventor： Masato FUKUSHIMA

IPC: C09K5/04 ,  F25B9/00

CPC classification number: C09K5/044 ,  F25B9/002 ,  C09K5/045 ,  C09K2205/12 ,  C09K2205/122 ,  C09K2205/126

Abstract: To provide a working medium for heat cycle which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (the efficiency and the capacity), and a heat cycle system excellent in the cycle performance (the efficiency and the capacity). A working medium for heat cycle comprising 1,2-difluoroethylene is employed for a heat cycle system (such as a Rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).

公开(公告)号：US20220372356A1

公开(公告)日：2022-11-24

申请号：US17875481

申请日：2022-07-28

Applicant: AGC Inc.

Inventor： Hiroki HAYAMIZU ,  Masato FUKUSHIMA

IPC: C09K3/30 ,  B65D83/14

Abstract: To provide a propellant which has sufficient propelling performance and of which a component to be sprayed imposes low environmental burden, a propellant composition and a sprayer. A propellant composition comprising a propellant containing 1-chloro-2,3,3,3-tetrafluoropropene and a pressurizing agent, and a sprayer comprising the propellant composition, a container in which the propellant composition is contained, and a spray unit to spray the propellant composition to the outside of the container.

公开(公告)号：US20220081600A1

公开(公告)日：2022-03-17

申请号：US17536308

申请日：2021-11-29

Applicant: AGC Inc.

Inventor： Masato FUKUSHIMA

IPC: C09K5/04

Abstract: To provide a working fluid for heat cycle having a low global warming potential and having high durability, which can replace R410A, a composition for a heat cycle system comprising it, and a heat cycle system employing the composition. A working fluid for heat cycle, which contains trifluoroethylene, 2,3,3,3-tetrafluoropropene and difluoromethane, wherein the proportion of the total amount of trifluoroethylene, 2,3,3,3-tetrafluoropropene and difluoromethane based on the entire amount of the working fluid is higher than 90 mass % and at most 100 mass %, and based on the total amount of trifluoroethylene, 2,3,3,3-tetrafluoropropene and difluoromethane, the proportion of trifluoroethylene is at least 10 mass % and less than 70 mass %, the proportion of 2,3,3,3-tetrafluoropropene is at most 50 mass %, and the proportion of difluoromethane is higher than 30 mass % and at most 75 mass %.

公开(公告)号：US20200224822A1

公开(公告)日：2020-07-16

申请号：US16835565

申请日：2020-03-31

Applicant: AGC Inc.

Inventor： Tamaki CHINSOGA ,  Masato FUKUSHIMA

IPC: F17C1/00 ,  C07C21/185 ,  F17C5/02

Abstract: To provide a method for safely and stably storing a hydrochlorofluoroolefin filled in a container for storage, transportation, etc. A method for storing a hydrochlorofluoroolefin in a sealed storage container, wherein the hydrochlorofluoroolefin is stored in such a state that a gas phase and a liquid phase coexist in the storage container, and the concentration of air in the gas phase in the storage container at a temperature of 25° C. is kept to be at most 3.0 vol %, and a method for storing a hydrochlorofluoroolefin in a sealed storage container, wherein the hydrochlorofluoroolefin is stored in such a state that a gas phase and a liquid phase coexist in the storage container, and the concentration of oxygen in the gas phase in the storage container at a temperature of 25° C. is kept to be at most 0.6 vol %.

公开(公告)号：US20200040242A1

公开(公告)日：2020-02-06

申请号：US16654424

申请日：2019-10-16

Applicant: AGC Inc.

Inventor： Masato FUKUSHIMA ,  Hiroaki MITSUOKA ,  Mai TASAKA

IPC: C09K5/04 ,  C10M105/48 ,  C10M105/44 ,  C10M105/36 ,  C10M105/06 ,  C10M105/38 ,  C10M107/24 ,  C10M107/34 ,  C10M171/00 ,  F25B1/00 ,  F25B31/00 ,  F25B43/00

Abstract: To provide a composition for a heat cycle system, which comprises a working fluid for heat cycle which has a low global warming potential and high stability, and which can replace R410A, and a heat cycle system employing the composition. A composition for a heat cycle system, which comprises a working fluid for heat cycle containing trifluoroethylene, and a stabilizer for preventing deterioration of the working fluid for heat cycle, such as an oxidation resistance-improving agent, a heat resistance-improving agent or a metal deactivator, and a heat cycle system employing the composition for a heat cycle system.

公开(公告)号：US20190330507A1

公开(公告)日：2019-10-31

申请号：US16504615

申请日：2019-07-08

Applicant: AGC Inc.

Inventor： Masato FUKUSHIMA

IPC: C09K5/04 ,  F25B9/00

Abstract: To provide a working medium for heat cycle which has less influence over the ozone layer, which has less influence over global warming and which provides a heat cycle system excellent in the cycle performance (the efficiency and the capacity), and a heat cycle system excellent in the cycle performance (the efficiency and the capacity). A working medium for heat cycle comprising 1,2-difluoroethylene is employed for a heat cycle system (such as a Rankine cycle system, a heat pump cycle system, a refrigerating cycle system 10 or a heat transport system).