Patents by Inventor Yoshio Nishiguchi
Yoshio Nishiguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10815174Abstract: A storage method of HCFO-1233zd (Z) according to an embodiment of the present invention, includes using a storage container having a liquid-contact portion thereof. The liquid-contact portion is formed of a material selected from the group consisting of epoxy-phenolic resin, phenolic resin, phenolic-butyral resin, stainless steel, iron phosphate, zinc phosphate and glass.Type: GrantFiled: January 31, 2019Date of Patent: October 27, 2020Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Naoto Takada, Masahiko Tani, Hideaki Imura, Koji Ueda, Yoshio Nishiguchi, Fuyuhiko Sakyu
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Patent number: 10703693Abstract: A manufacturing method of 1-chloro-3,3,3-trifluoropropene (1233zd) is provided. This manufacturing method includes a reaction in which a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) is heated: CFaCl3-a—CH2—CHFbCl2-b??(1) In the formula, a is an integer from 0 to 2, b is 1 or 2 when a=0, b is 0 or 1 when a=1, and b is 0 when a=2.Type: GrantFiled: September 17, 2019Date of Patent: July 7, 2020Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Masamune Okamoto, Kohei Sumida, Kei Matsunaga, Yoshio Nishiguchi, Satoru Okamoto
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Publication number: 20200010388Abstract: A manufacturing method of 1-chloro-3,3,3-trifluoropropene (1233zd) is provided. This manufacturing method includes a reaction in which a halogenated hydrocarbon compound having a carbon number of 3 and represented by a general formula (1) is heated: CFaCl3-a—CH2—CHFbCl2-b??(1) In the formula, a is an integer from 0 to 2, b is 1 or 2 when a=0, b is 0 or 1 when a=1, and b is 0 when a=2.Type: ApplicationFiled: September 17, 2019Publication date: January 9, 2020Inventors: Masamune OKAMOTO, Kohei SUMIDA, Kei MATSUNAGA, Yoshio NISHIGUCHI, Satoru OKAMOTO
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Patent number: 10465959Abstract: A heat pump device and an organic Rankine cycle device that are capable of maintaining a stable thermal cycle even when an HFO or HCFO is used as the refrigerant. The refrigerant circulation device uses a refrigerant, wherein the refrigerant includes a hydrofluoroolefin or hydrochlorofluoroolefin having a carbon-carbon double bond within the molecular structure, and a reaction suppression unit which suppresses an isomerization reaction of the refrigerant is provided within the refrigerant circulation circuit.Type: GrantFiled: October 23, 2014Date of Patent: November 5, 2019Assignees: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD., CENTRAL GLASS CO., LTD.Inventors: Kenji Ueda, Naoki Kobayashi, Yoshinori Akamatsu, Fuyuhiko Sakyu, Yoshio Nishiguchi
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Patent number: 10443912Abstract: The present invention provides a heat pump device and an organic Rankine cycle device that are capable of maintaining a stable thermal cycle even when an HFO is used as the refrigerant in an environment in which the operating temperature reaches a high temperature. The refrigerant circulation device is filled with a refrigerant comprising a hydrofluoroolefin or hydrochlorofluoroolefin having a carbon-carbon double bond within the molecular structure, and has a region in the refrigerant circulation circuit where the operating temperature of the refrigerant reaches 175° C. or higher, wherein an acid suppression unit which suppresses any increase in the acid concentration in the refrigerant is provided in the region where the operating temperature of the refrigerant can reach 175° C.Type: GrantFiled: October 23, 2014Date of Patent: October 15, 2019Assignees: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD., CENTRAL GLASS CO., LTD.Inventors: Kenji Ueda, Naoki Kobayashi, Yoshinori Akamatsu, Fuyuhiko Sakyu, Yoshio Nishiguchi
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Patent number: 10443899Abstract: An object of the present invention is to provide a refrigerant circulation device and method that can suppress acid generation caused by decomposition of a refrigerant containing an HFO or HCFO. The refrigerant circulation device has a compressor, a condenser, expansion valves and an evaporator connected by a main pipe to form a refrigerant circulation circuit through which a refrigerant is circulated, the refrigerant circulation circuit being filled with a refrigerant containing a hydrofluoroolefin or a hydrochlorofluoroolefin having a carbon-carbon double bond within the molecular structure, wherein the refrigerant circulation device includes a drive that drives the compressor via a speed increaser, and a drive cooling unit that cools the drive with the refrigerant condensed in the condenser, and a desiccant that can trap moisture is disposed in the evaporator or the drive cooling unit.Type: GrantFiled: March 28, 2016Date of Patent: October 15, 2019Assignees: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD., CENTRAL GLASS CO., LTD.Inventors: Noriyuki Matsukura, Kenji Ueda, Naoki Kobayashi, Ryosuke Suemitsu, Norihisa Horaguchi, Satoru Okamoto, Yoshio Nishiguchi
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Publication number: 20190169103Abstract: A storage method of HCFO-1233zd (Z) according to an embodiment of the present invention, includes using a storage container having a liquid-contact portion thereof. The liquid-contact portion is formed of a material selected from the group consisting of epoxy-phenolic resin, phenolic resin, phenolic-butyral resin, stainless steel, iron phosphate, zinc phosphate and glass.Type: ApplicationFiled: January 31, 2019Publication date: June 6, 2019Inventors: Naoto TAKADA, Masahiko TANI, Hideaki IMURA, Koji UEDA, Yoshio NISHIGUCHI, Fuyuhiko SAKYU
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Patent number: 10215455Abstract: A heat transmission method using a high-temperature heat pump system accommodating a heat transmission composition includes the step of evaporating the heat transmission composition, the step of compressing the heat transmission composition, the step of condensing the heat transmission composition, and the step of decreasing the pressure of the heat transmission composition at a temperature of 70° C. or higher, which are performed sequentially. The heat transmission composition contains cis-1,3,3,3-tetrafluoropropene at a mass ratio of 95.0% by mass or more and 99.9% by mass or less, and contains trans-1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene at a mass ratio of 0.1% by mass or more and 5.0% by mass or less; and the heat transmission composition has a condensation temperature of 70° C. or higher.Type: GrantFiled: February 12, 2016Date of Patent: February 26, 2019Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Yoshio Nishiguchi, Satoru Okamoto, Masatomi Kanai
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Patent number: 10101065Abstract: A heat transmission method using a heat pump system according to the present invention uses a heat transmission medium containing at least one compound represented by general formula (1). In the formula, R1 is a CHmF3-m group, m is an integer of 0 or more and 3 or less, R2, R3 and R4 are each independently a fluorine atom, a chlorine atom, a bromine atom, an iodine atom or a hydrogen atom, and at least one fluorine atom is contained in a molecule. The heat transmission method includes (A) step of gasifying the heat transmission medium; (B) step of compressing the heat transmission medium into a supercritical state; (C) step of causing heat exchange between the heat transmission medium in the supercritical state and a medium to be heated; and (D) step of decreasing the pressure of the heat transmission medium.Type: GrantFiled: February 12, 2016Date of Patent: October 16, 2018Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Yoshio Nishiguchi, Satoru Okamoto, Masatomi Kanai
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Patent number: 10047326Abstract: An azeotropic-like composition containing 2-chloro-1,3,3,3-tetrafluoropropene and 1-chloro-3,3,3-trifluoropropene is provided. The azeotropic-like composition according to the present invention is non-flammable, has little influence on the environment, and has substantially the same composition ratio in the liquid phase and the gas phase. By use of an azeotropic-like composition according to the present invention, a washing detergent, a solvent, a silicone solvent, a foaming agent, a coolant, a heating medium for a heat pump, and a high temperature working fluid that are non-flammable, have little influence on the environment, and have substantially the same composition ratio in a liquid phase and a gas phase thereof may be provided.Type: GrantFiled: March 31, 2017Date of Patent: August 14, 2018Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Masahiko Tani, Hideaki Imura, Yoshio Nishiguchi, Naoto Takada
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Publication number: 20180066871Abstract: An object of the present invention is to provide a refrigerant circulation device and method that can suppress acid generation caused by decomposition of a refrigerant containing an HFO or HCFO. The refrigerant circulation device has a compressor, a condenser, expansion valves and an evaporator connected by a main pipe to form a refrigerant circulation circuit through which a refrigerant is circulated, the refrigerant circulation circuit being filled with a refrigerant containing a hydrofluoroolefin or a hydrochlorofluoroolefin having a carbon-carbon double bond within the molecular structure, wherein the refrigerant circulation device includes a drive that drives the compressor via a speed increaser, and a drive cooling unit that cools the drive with the refrigerant condensed in the condenser, and a desiccant that can trap moisture is disposed in the evaporator or the drive cooling unit.Type: ApplicationFiled: March 28, 2016Publication date: March 8, 2018Applicants: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD., CENTRAL GLASS CO., LTD.Inventors: Noriyuki MATSUKURA, Kenji UEDA, Naoki KOBAYASHI, Ryosuke SUEMITSU, Norihisa HORAGUCHI, Satoru OKAMOTO, Yoshio NISHIGUCHI
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Patent number: 9797273Abstract: Provided is a method for converting thermal energy into mechanical energy by use of an organic rankine cycle system that accommodates a working fluid composition. The method includes sequentially performing: evaporating the working fluid composition; expanding the working fluid composition; condensing the working fluid composition; and transferring the working fluid composition, while raising a pressure thereof, by a pump. The working fluid composition contains cis-1,3,3,3-tetrafluoropropene at a ratio higher than or equal to 92.0% by mass and lower than or equal to 99.9% by mass and trans-1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene at a ratio higher than or equal to 0.1% by mass and lower than or equal to 8.0% by mass; and has an evaporation temperature higher than or equal to 60° C. and lower than or equal to 150° C.Type: GrantFiled: November 28, 2014Date of Patent: October 24, 2017Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Yoshio Nishiguchi, Satoru Okamoto, Masatomi Kanai
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Publication number: 20170218311Abstract: An azeotropic-like composition containing 2-chloro-1,3,3,3-tetrafluoropropene and 1-chloro-3,3,3-trifluoropropene is provided. The azeotropic-like composition according to the present invention is non-flammable, has little influence on the environment, and has substantially the same composition ratio in the liquid phase and the gas phase. By use of an azeotropic-like composition according to the present invention, a washing detergent, a solvent, a silicone solvent, a foaming agent, a coolant, a heating medium for a heat pump, and a high temperature working fluid that are non-flammable, have little influence on the environment, and have substantially the same composition ratio in a liquid phase and a gas phase thereof may be provided.Type: ApplicationFiled: March 31, 2017Publication date: August 3, 2017Inventors: Masahiko TANI, Hideaki IMURA, Yoshio NISHIGUCHI, Naoto TAKADA
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Publication number: 20160200955Abstract: The present invention provides a heat pump device and an organic Rankine cycle device that are capable of maintaining a stable thermal cycle even when an HFO or HCFO is used as the refrigerant. The refrigerant circulation device uses a refrigerant, wherein the refrigerant comprises a hydrofluoroolefin or hydrochlorofluoroolefin having a carbon-carbon double bond within the molecular structure, and a reaction suppression unit which suppresses an isomerization reaction of the refrigerant is provided within the refrigerant circulation circuit.Type: ApplicationFiled: October 23, 2014Publication date: July 14, 2016Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., CENTRAL GLASS CO., LTD.Inventors: Kenji UEDA, Naoki KOBAYASHI, Yoshinori AKAMATSU, Fuyuhiko SAKYU, Yoshio NISHIGUCHI
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Publication number: 20160201958Abstract: The present invention provides a heat pump device and an organic Rankine cycle device that are capable of maintaining a stable thermal cycle even when an HFO is used as the refrigerant in an environment in which the operating temperature reaches a high temperature. The refrigerant circulation device is filled with a refrigerant comprising a hydrofluoroolefin or hydrochlorofluoroolefin having a carbon-carbon double bond within the molecular structure, and has a region in the refrigerant circulation circuit where the operating temperature of the refrigerant reaches 175° C. or higher, wherein an acid suppression unit which suppresses any increase in the acid concentration in the refrigerant is provided in the region where the operating temperature of the refrigerant can reach 175° C.Type: ApplicationFiled: October 23, 2014Publication date: July 14, 2016Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., CENTRAL GLASS CO., LTD.Inventors: Kenji UEDA, Naoki KOBAYASHI, Yoshinori AKAMATSU, Fuyuhiko SAKYU, Yoshio NISHIGUCHI
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Publication number: 20160178254Abstract: A heat transmission method using a heat pump system according to the present invention uses a heat transmission medium containing at least one compound represented by general formula (1). In the formula, R1 is a CHmF3-m group, m is an integer of 0 or more and 3 or less, R2, R3 and R4 are each independently a fluorine atom, a chlorine atom, a bromine atom, an iodine atom or a hydrogen atom, and at least one fluorine atom is contained in a molecule. The heat transmission method includes (A) step of gasifying the heat transmission medium; (B) step of compressing the heat transmission medium into a supercritical state; (C) step of causing heat exchange between the heat transmission medium in the supercritical state and a medium to be heated; and (D) step of decreasing the pressure of the heat transmission medium.Type: ApplicationFiled: February 12, 2016Publication date: June 23, 2016Inventors: Yoshio NISHIGUCHI, Satoru Okamoto, Masatomi Kanai
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Publication number: 20160178255Abstract: A heat transmission method using a high-temperature heat pump system accommodating a heat transmission composition includes the step of evaporating the heat transmission composition, the step of compressing the heat transmission composition, the step of condensing the heat transmission composition, and the step of decreasing the pressure of the heat transmission composition at a temperature of 70° C. or higher, which are performed sequentially. The heat transmission composition contains cis-1,3,3,3-tetrafluoropropene at a mass ratio of 95.0% by mass or more and 99.9% by mass or less, and contains trans-1,3,3,3-tetrafluoropropene or 2,3,3,3-tetrafluoropropene at a mass ratio of 0.1% by mass or more and 5.0% by mass or less; and the heat transmission composition has a condensation temperature of 70° C. or higher.Type: ApplicationFiled: February 12, 2016Publication date: June 23, 2016Inventors: Yoshio NISHIGUCHI, Satoru OKAMOTO, Masatomi KANAI
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Patent number: 9309451Abstract: An azeotropic mixture-like composition containing 1,1,1,3,3,3-hexafluoroisopropylmethylether (HFE-356mmz) and hexafluoroisopropanol (HFIP) is provided. 1,1,1,3,3,3-hexafluoroisopropylmethylether may be contained at a ratio higher than or equal to 0.1% by mass and lower than or equal to 99.9% by mass.Type: GrantFiled: December 24, 2014Date of Patent: April 12, 2016Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Yoshio Nishiguchi, Satoru Okamoto, Masatomi Kanai, Takuya Tonomura
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Patent number: 9090529Abstract: The present invention has an object of providing a method for producing 1,2-dichloro-3,3,3-trifluoropropene by a vapor-phase reaction easily and in an industrial scale. A method for producing 1,2-dichloro-3,3,3-trifluoropropene of the present invention includes putting 1,2-dichloro-1-halogeno-3,3,3-trifluoropropane with an activated carbon catalyst in a vapor phase. According to the present invention, 1,2-dichloro-3,3,3-trifluoropropene is produced in an industrial scale at a high yield by use of 1,2-dichloro-1-halogeno-3,3,3-trifluoropropane, which is available at low cost, as a material.Type: GrantFiled: March 19, 2015Date of Patent: July 28, 2015Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Yoshio Nishiguchi, Satoru Okamoto, Fuyuhiko Sakyu
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Patent number: 9090530Abstract: A method for producing 1,2-dichloro-3,3,3-trifluoropropene of the present invention includes reacting 1,2-dichloro-1-halogeno-3,3,3-trifluoropropane with a base in a liquid phase; and extracting generated 1,2-dichloro-3,3,3-trifluoropropene to the outside of a reaction system to recover while the reaction is continued. According to the present invention, 1,2-dichloro-3,3,3-trifluoropropene is obtained at a high yield by a simple method. Thus, 1,2-dichloro-3,3,3-trifluoropropene is produced in an industrial scale.Type: GrantFiled: March 19, 2015Date of Patent: July 28, 2015Assignee: CENTRAL GLASS COMPANY, LIMITEDInventors: Yoshio Nishiguchi, Satoru Okamoto, Fuyuhiko Sakyu