Patents by Inventor Masato Fukushima

Masato Fukushima 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).

  • Publication number: 20180215980
    Abstract: A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The working fluid has a low global warming potential and can replace R410A. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and an aniline point of at least ?100° C. and at most 0° C.
    Type: Application
    Filed: March 27, 2018
    Publication date: August 2, 2018
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
  • Patent number: 9976067
    Abstract: A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid has a low global warming potential and can replace R410A. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and a kinematic viscosity at 40° C. of from 5 to 200 mm2/s and a kinematic viscosity at 100° C. of from 2 to 30 mm2/s.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: May 22, 2018
    Assignee: Asahi Glass Company, Limited
    Inventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
  • Patent number: 9969917
    Abstract: To provide a method for stably and efficiently producing a working fluid which has less influence over global warming and which can be stably used by a usual operation even though it contains trifluoroethylene (HFO-1123) excellent in the cycle performance. A method for producing a working fluid containing HFO-1123 in a proportion of at most 70 mol %, which comprises mixing a first component containing HFO-1123 in a proportion of higher than 70 mol % stored in a first container, and a second component having no self-decomposition property stored in a second container, by supplying the first component to the second container, by supplying the second component to the first container, or by supplying both the first component and the second component to a separate third container, respectively under the predetermined conditions.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: May 15, 2018
    Assignee: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato Fukushima, Satoshi Kawaguchi, Mai Tasaka, Katsuya Ueno
  • Patent number: 9957430
    Abstract: A composition for a heat cycle system and a heat cycle system employing the composition are provided. The composition has favorable lubricating properties and contains a working fluid for heat cycle and a refrigerant oil. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure. The working fluid has a low global warming potential and can replace R410A. The refrigerant oil has a breakdown voltage of at least 25 kV, a hydroxyl value of at most 0.1 mgKOH/g, and an aniline point of at least ?100° C. and at most 0° C.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: May 1, 2018
    Assignee: Asahi Glass Company, Limited
    Inventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
  • Patent number: 9957429
    Abstract: A composition for a heat cycle system having favorable lubricating properties is provided. A heat cycle system employing the composition is also provided. The composition contains a working fluid for heat cycle, which has a low global warming potential and can replace R410A. The working fluid contains an unsaturated fluorinated hydrocarbon compound having a specific structure and a refrigerant oil having a breakdown voltage of at least 25 kV, a hydroxy value of at most 0.1 mgKOH/g, and a minimum temperature on the high temperature side of the phase separation temperature from the working fluid of at least 35° C. and a maximum temperature on the low temperature side of at most ?60° C.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: May 1, 2018
    Assignee: Asahi Glass Company, Limited
    Inventors: Masato Fukushima, Hiroaki Mitsuoka, Mai Tasaka, Daisuke Shirakawa, Hirokazu Takagi, Takeaki Arai
  • Publication number: 20180086959
    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 contains trifluoroethylene, 2,3,3,3-tetrafluoropropene, and difluoromethane. A 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 %. 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 %. The working fluid can replace R410A and has a low global warming potential and high durability.
    Type: Application
    Filed: November 30, 2017
    Publication date: March 29, 2018
    Applicant: Asahi Glass Company, Limited
    Inventor: Masato FUKUSHIMA
  • Publication number: 20180079941
    Abstract: A working fluid for a heat cycle, contains: trifluoroethylene; and a first component consisting of at least one of substance selected from carbon dioxide, fluoromethane, trifluoroiodomethane, methane, ethane, propane, helium, neon, argon, krypton, xenon, nitrogen and ammonia.
    Type: Application
    Filed: November 29, 2017
    Publication date: March 22, 2018
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Katsuya UENO, Hikaru ONO, Toshiyuki TANAKA, Hidekazu OKAMOTO, Hiroki HAYAMIZU, Masato FUKUSHIMA, Mai TASAKA
  • Publication number: 20180066170
    Abstract: A composition for a heat cycle system contains a working medium for heat cycle containing 1-chloro-2,3,3,3-tetrafluoropropene and a refrigerant oil.
    Type: Application
    Filed: October 24, 2017
    Publication date: March 8, 2018
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Mai TASAKA, Masato FUKUSHIMA, Hiroaki MITSUOKA
  • Publication number: 20180057724
    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 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 %. The proportion of trifluoroethylene based on the total amount of trifluoroethylene and 2,3,3,3-tetrafluoropropene is from 35 to 95 mass %.
    Type: Application
    Filed: October 20, 2017
    Publication date: March 1, 2018
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Masato Fukushima
  • Publication number: 20180051198
    Abstract: To provide a fluid composition and a refrigerant composition having flammability suppressed; and an air conditioner in which restrictions in order to inhibit combustion of the refrigerant composition are reduced and it is thereby possible to omit or simplify measures for inhibiting combustion of the refrigerant composition. The fluid composition is either a composition (I) comprising at least one component (A) selected from the group consisting of alkanes, halogenated alkanes and alkenes and at least one component (B) selected from halogenated alkenes, or a composition (II) (excluding the composition (I)) comprising two or more ingredients (B) selected from halogenated alkenes. The fluid composition has a combustion inhibiting effect as defined by ?100×{(measured maximum burning velocity)?(estimated maximum burning velocity)}/(estimated maximum burning velocity), of at least 10%.
    Type: Application
    Filed: October 16, 2017
    Publication date: February 22, 2018
    Applicants: ASAHI GLASS COMPANY, LIMITED, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Hidekazu OKAMOTO, Hiroki HAYAMIZU, Katsuya UENO, Hirokazu TAKAGI, Masato FUKUSHIMA, Kenji TAKIZAWA
  • Publication number: 20180044567
    Abstract: There are provided a composition for a heat cycle system containing a working medium for heat cycle that has a low global warming potential and high stability, which can be used as a substitute for HFC-134a and HFC-245fa, and a heat cycle system using this composition. The composition for a heat cycle system contains: a working medium for heat cycle containing 1-chloro-2,3,3,3-tetrafluoropropene; and a stabilizer suppressing deterioration of the working medium for heat cycle such as an oxidation resistance improver, a heat resistance improver, or a metal deactivator, and the heat cycle system uses this composition for a heat cycle system.
    Type: Application
    Filed: October 24, 2017
    Publication date: February 15, 2018
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Mai TASAKA, Masato FUKUSHIMA, Hiroaki MITSUOKA
  • Publication number: 20180016213
    Abstract: To provide a method for stably storing tetrafluoropropene filled in a container for e.g. storage or transportation, without occurrence of reaction such as polymerization. A method for storing tetrafluoropropene in a gaseous-liquid state composed of a gas phase and a liquid phase in a closed container, wherein the oxygen concentration (content) in the above gas phase is adjusted to at least 3 vol ppm and less than 3,000 vol ppm at a temperature of 25° C.
    Type: Application
    Filed: September 28, 2017
    Publication date: January 18, 2018
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato Fukushima, Masaaki TSUZAKI, Maki SHIGEMATSU
  • Patent number: 9862868
    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 contains trifluoroethylene, 2,3,3,3-tetrafluoropropene, and difluoromethane. A 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 %. 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 %. The working fluid can replace R410A and has a low global warming potential and high durability.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: January 9, 2018
    Assignee: Asahi Glass Company, Limited
    Inventor: Masato Fukushima
  • Patent number: 9862660
    Abstract: To provide a method for purifying trifluoroethylene, by which from a fluid containing trifluoroethylene, a C1-5 alkane or alkene (excluding trifluoroethylene) in which at least one hydrogen atom may be substituted with a chlorine atom or a fluorine atom can be efficiently removed, and a method for producing trifluoroethylene by which trifluoroethylene can be efficiently produced. A fluid containing trifluoroethylene is brought into contact with at least one type of synthetic zeolite selected from synthetic zeolites 3A, 4A and 5A.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: January 9, 2018
    Assignee: Asahi Glass Company, Limited
    Inventors: Masato Fukushima, Satoshi Kawaguchi, Maki Shigematsu, Yoshinobu Kadowaki, Yukio Tanaami
  • Publication number: 20180002585
    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).
    Type: Application
    Filed: September 14, 2017
    Publication date: January 4, 2018
    Applicant: ASAHI GLASS COMPANY, LTD.
    Inventor: Masato FUKUSHIMA
  • Patent number: 9828537
    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 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 %. The proportion of trifluoroethylene based on the total amount of trifluoroethylene and 2,3,3,3-tetrafluoropropene is from 35 to 95 mass %.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: November 28, 2017
    Assignee: Asahi Glass Company, Limited
    Inventor: Masato Fukushima
  • Publication number: 20170335159
    Abstract: There are provided an air-conditioner working fluid for electric vehicle providing sufficient cycle performance in practical use in an electric vehicle, in particular, sufficient cycle performance also in the heating time, while suppressing influence on global warming, and usable without greatly changing an air-conditioner device for a conventional working fluid, for example, HFC-134a or HFO-1234yf, and an air-conditioner working fluid composition for electric vehicle containing the same. The air-conditioner working fluid for electric vehicle contains trifluoroethylene, difluoromethane and 1,3,3,3-tetrafluoropropene, wherein a percentage of a total amount of trifluoroethylene, difluoromethane and 1,3,3,3-tetrafluoropropene with respect to a total amount of the working fluid is more than 90 mass % and 100 mass % or less.
    Type: Application
    Filed: August 8, 2017
    Publication date: November 23, 2017
    Applicants: ASAHI GLASS COMPANY, LIMITED, DENSO CORPORATION
    Inventors: Masato FUKUSHIMA, Satoshi KAWAGUCHI, Katsuya UENO, Shin NISHIDA
  • Patent number: 9809516
    Abstract: To provide a method for stably storing tetrafluoropropene filled in a container for e.g. storage or transportation, without occurrence of reaction such as polymerization. A method for storing tetrafluoropropene in a gaseous-liquid state composed of a gas phase and a liquid phase in a closed container, wherein the oxygen concentration (content) in the above gas phase is adjusted to at least 3 vol ppm and less than 3,000 vol ppm at a temperature of 25° C.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: November 7, 2017
    Assignee: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato Fukushima, Masaaki Tsuzaki, Maki Shigematsu
  • Patent number: 9790412
    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).
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: October 17, 2017
    Assignee: Asahi Glass Company, Limited
    Inventor: Masato Fukushima
  • Patent number: 9758456
    Abstract: To provide a method for stably storing tetrafluoropropene filled in a container for e.g. storage or transportation, without occurrence of reaction such as polymerization. A method for storing tetrafluoropropene in a gaseous-liquid state composed of a gas phase and a liquid phase in a closed container, wherein the oxygen concentration (content) in the above gas phase is adjusted to at least 3 vol ppm and less than 3,000 vol ppm at a temperature of 25° C.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: September 12, 2017
    Assignee: Asahi Glass Company, Limited
    Inventors: Masato Fukushima, Masaaki Tsuzaki, Maki Shigematsu