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公开(公告)号：US20200332164A1
公开(公告)日：2020-10-22
申请号：US16913358
申请日：2020-07-13
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Mitsushi ITANO , Daisuke KARUBE , Yuuki YOTSUMOTO , Kazuhiro TAKAHASHI , Yuzo KOMATSU , Shun OHKUBO , Tatsuya TAKAKUWA , Tetsushi TSUDA , Takeo ABE , Yumi TODA
IPC: C09K5/04
Abstract: There is provided a refrigeration cycle apparatus in which good lubricity can be achieved when a refrigeration cycle is performed using a refrigerant having a sufficiently low GWP. The refrigeration cycle apparatus contains a refrigerating oil and a refrigerant composition containing a refrigerant containing trans-1,2-difluoroethylene (HFO-1132(E)), trifluoroethylene (HFO-1123), and 2,3,3,3-tetrafluoro-1-propene (R1234yf).
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公开(公告)号：US20200326100A1
公开(公告)日：2020-10-15
申请号：US16913512
申请日：2020-06-26
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Masanori UKIBUNE , Atsushi OKAMOTO , Mitsushi ITANO , Daisuke KARUBE , Yuuki YOTSUMOTO , Kazuhiro TAKAHASHI , Yuzo KOMATSU , Shun OHKUBO , Tatsuya TAKAKUWA
Abstract: A warm-water generating apparatus (1) uses, as a refrigerant, a mixed refrigerant containing at least 1,2-difluoroethylene (HFO-1132(E)). The warm-water generating apparatus (1) includes a compressor (21), a heat-source-side air heat exchanger (24), an expansion valve (23), and a use-side water heat exchanger (22). The water heat exchanger (22) causes the mixed refrigerant flowing therein and first water to exchange heat with each other to heat the first water.
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13.发明申请公开(公告)号：US20200325375A1
公开(公告)日：2020-10-15
申请号：US16912130
申请日：2020-06-25
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Eiji KUMAKURA , Takuro YAMADA , Atsushi YOSHIMI , Ikuhiro IWATA , Mitsushi ITANO , Daisuke KARUBE , Yuuki YOTSUMOTO , Kazuhiro TAKAHASHI , Yuzo KOMATSU , Shun OHKUBO , Tatsuya TAKAKUWA
IPC: C09K5/04
Abstract: A refrigeration cycle apparatus capable of keeping a LCCP low when a heat cycle is performed using a sufficiently small-GWP refrigerant, and a method of determining a refrigerant enclosure amount in the refrigeration cycle apparatus are provided. An outdoor unit (20) including a compressor (21) and an outdoor heat exchanger (23), an indoor unit (30) including an indoor heat exchanger (31), and a refrigerant pipe (5, 6) that connects the outdoor unit (20) and the indoor unit (30) to each other are provided. A refrigerant containing at least 1,2-difluoroethylene is enclosed in a refrigerant circuit (10) that is constituted by connecting the compressor (21), the outdoor heat exchanger (23), and the indoor heat exchanger (31) to one another. An enclosure amount of the refrigerant in the refrigerant circuit (10) per 1 kW of refrigeration capacity satisfies a condition of 160 g or more and 560 g or less.
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公开(公告)号：US20190127299A1
公开(公告)日：2019-05-02
申请号：US16094256
申请日：2017-04-20
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Kazuhiro TAKAHASHI , Shuuzou KIDA , Tatsuya TAKAKUWA , Masanobu NISHITSUJI
Abstract: Provided is a method for producing HCFC and/or HFC by subjecting a halogenated hydrocarbon and anhydrous hydrogen fluoride to a fluorination reaction in the presence of a catalyst, whereby efficient production can be achieved, without the need to stop the production every time catalytic activity is regenerated or recovered, and without making facilities excessive. Provided as a solution therefor is a method comprising (A) subjecting a halogenated hydrocarbon and anhydrous hydrogen fluoride to a fluorination reaction in at least two reactors each in the presence of a catalyst to thereby obtain HCFC and/or HFC; and (B) while halting the reaction in at least one of the reactors, obtaining HCFC and/or HFC by the reaction in at least one other reactor.
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15.发明申请公开(公告)号：US20170320798A1
公开(公告)日：2017-11-09
申请号：US15527039
申请日：2015-11-12
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Mana SHIMOKAWA , Tatsuya TAKAKUWA , Kazuhiro TAKAHASHI
IPC: C07C17/386 , B01D3/40
CPC classification number: C07C17/386 , B01D3/40 , C07C19/08 , C07C21/18
Abstract: The present invention provides a method for separating HFC-245cb and (E)-HFO-1234ze having close boiling points, i.e., boiling points with only 1° C. difference, by extractive distillation from a composition containing the HFC-245cb and the (E)-HFO-1234ze. More specifically, the present invention is a method for separating HFC-245cb and (E)-HFO-1234ze from a composition containing the HFC-245cb and the (E)-HFO-1234ze, the method comprising subjecting the composition to extractive distillation using at least one extractant selected from the group consisting of halogenated hydrocarbons, halogenated unsaturated hydrocarbons, nitriles, ketones, carbonates, alcohols, hydrocarbons, esters and ethers.
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Patent Agency Ranking
公开(公告)号：US20160230060A1
公开(公告)日：2016-08-11
申请号：US15055881
申请日：2016-02-29
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Kazuhiro TAKAHASHI , Tatsumi TSUCHIYA , Yasufu YAMADA
Abstract: The present invention provides a highly stable haloolefin-based composition that inhibits decomposition or oxidization.The haloolefin-based composition comprising (a) a haloolefin; (b) at least one compound selected from the group consisting of HFO-1234ze, HFC-254eb, HFO-1243zf, HFC-245eb, HFC-245fa, HFC-245cb, HFC-236ea, HFC-236fa, HFO-1225ye, 3,3,3-trifluoropropine, HFC-23, HFC-32, HFC-125, HFC-143a, HFC-134a, FC-1216, HCFO-1233xf, HCFO-1233zd, HCFO-1232xf, HCFO-1223xd, and chloromethane; and (c) water.
Abstract translation: 本发明提供了抑制分解或氧化的高度稳定的基于卤烯烃的组合物。 所述卤代烯烃基组合物包含（a）卤代烯烃; （b）至少一种选自HFO-1234ze，HFC-254eb，HFO-1243zf，HFC-245eb，HFC-245fa，HFC-245cb，HFC-236ea，HFC-236fa，HFO-1225ye，3 ，3,3-三氟丙酸，HFC-23，HFC-32，HFC-125，HFC-143a，HFC-134a，FC-1216，HCFO-1233xf，HCFO-1233zd，HCFO-1232xf，HCFO-1223xd和氯甲烷; 和（c）水。
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公开(公告)号：US20230138340A1
公开(公告)日：2023-05-04
申请号：US18089024
申请日：2022-12-27
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Megumi KUSHIDA , Kazuhiro TAKAHASHI , Tsubasa NAKAUE
IPC: C07C17/25
Abstract: An object of the present disclosure is to provide a method for producing HCFC-142, which is a target product, with high yield and high efficiency, by preventing the decomposition of starting materials, such as HCC-140 and HCO-1130. A method for producing HCFC-142, comprising bringing a chlorine-containing compound into contact with hydrogen fluoride in the presence of a stabilizer to perform at least one fluorination reaction, thus obtaining a reaction gas containing HCFC-142, hydrogen chloride, and hydrogen fluoride.
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公开(公告)号：US20220380649A1
公开(公告)日：2022-12-01
申请号：US17880237
申请日：2022-08-03
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Mitsushi ITANO , Daisuke KARUBE , Yuuki YOTSUMOTO , Kazuhiro TAKAHASHI
IPC: C09K5/04
Abstract: Provided is a refrigerant composition having two types of performance, i.e., a coefficient of performance that is equivalent to that of R410A and a sufficiently low GWP. Provided is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132 (E)), trifluoroethylene (HFO-1123), and difluoromethane (R32) at specific concentrations.
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公开(公告)号：US20220372357A1
公开(公告)日：2022-11-24
申请号：US17867121
申请日：2022-07-18
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Mitsushi ITANO , Daisuke KARUBE , Yuuki YOTSUMOTO , Kazuhiro TAKAHASHI , Tatsuya TAKAKUWA , Yuzo KOMATSU
Abstract: An object is to provide a mixed refrigerant having four types of performance, i.e., a coefficient of performance and a refrigerating capacity that are equivalent to those of R410A, a sufficiently low GWP, and a lower flammability (Class 2L) according to the ASHRAE standard. Provided as a means for a solution is a composition comprising a refrigerant, the refrigerant comprising trans-1,2-difluoroethylene (HFO-1132(E)) and trifluoroethylene (HFO-1123) in a total amount of 99.5 mass % or more based on the entire refrigerant, and the refrigerant comprising 62.0 mass % to 72.0 mass % of HFO-1132(E) based on the entire refrigerant.
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公开(公告)号：US20220010184A1
公开(公告)日：2022-01-13
申请号：US17486173
申请日：2021-09-27
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Kazuhiro TAKAHASHI
Abstract: An object of the present invention is to provide a novel azeoropic or azeotrope-like composition that is effective for the separation of HF from 1,1,2-trichloroethane (HCC-140), trans-1,2-dichloroethylene (HCO-1130(E)), or cis-1,2-dichloroethylene (HCO-1130(Z)). The object can be achieved by an azeotropic or azeotrope-like composition comprising HCC-140, HCO-1130(E), or HCO-1130(Z), and hydrogen fluoride.
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