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: 20170204029
    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: April 5, 2017
    Publication date: July 20, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato FUKUSHIMA, Masaaki Tsuzaki, Maki Shigematsu
  • Patent number: 9638371
    Abstract: To provide a method for storing trifluoroethylene filled in a container for storage, transportation, etc., stably without causing a reaction such as polymerization. The method is characterized in that trifluoroethylene is stored in a sealed container in such a state that a gas phase and a liquid phase coexist, and in the gas phase, the concentration of oxygen at a temperature of 25° C. is kept to be at most 1,000 ppm by volume.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: May 2, 2017
    Assignee: Asahi Glass Company, Limited
    Inventors: Masaaki Tsuzaki, Masato Fukushima, Maki Shigematsu
  • Patent number: 9624413
    Abstract: A working medium for a heat pump, including: 1,1,2-trifluoroethylene; at least one of 1,1,1,2-tetrafluoroethane and pentafluoroethane; and at least one of 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, and 3,3,3-trifluoropropene.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: April 18, 2017
    Assignee: Asahi Glass Company, Limited
    Inventor: Masato Fukushima
  • Publication number: 20170101567
    Abstract: To provide a working medium for heat cycle, of which combustibility is suppressed, 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 (efficiency and capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (efficiency and capacity). A working medium for heat cycle comprising 1-chloro-2,3,3,3-tetrafluoropropene 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: December 22, 2016
    Publication date: April 13, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Masato FUKUSHIMA
  • Publication number: 20170101568
    Abstract: To provide a working medium for heat cycle, of which combustibility is suppressed, 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 (efficiency and capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (efficiency and capacity). A working medium for heat cycle comprising 1-chloro-2,3,3,3-tetrafluoropropene 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: December 22, 2016
    Publication date: April 13, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Masato FUKUSHIMA
  • Patent number: 9593274
    Abstract: To provide a working medium for heat cycle, of which combustibility is suppressed, 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 (efficiency and capacity), and a heat cycle system, of which the safety is secured, and which is excellent in the cycle performance (efficiency and capacity). A working medium for heat cycle comprising 1-chloro-2,3,3,3-tetrafluoropropene 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: March 14, 2017
    Assignee: Asahi Glass Company, Limited
    Inventor: Masato Fukushima
  • Publication number: 20170058171
    Abstract: To provide a working fluid for heat cycle which can be used as an alternative to R410A, which has a small composition change, which has a small temperature glide and which is excellent in the cycle performance (capacity), a composition for a heat cycle system, and a heat cycle system employing the composition. A working fluid for heat cycle containing an azeotropic-like composition consisting of HFO-1132(E) and HFC-32 and/or HFC-125.
    Type: Application
    Filed: November 14, 2016
    Publication date: March 2, 2017
    Applicant: Asahi Glass Company, Limited
    Inventors: Masato FUKUSHIMA, Satoshi KAWAGUCHI
  • Publication number: 20170058172
    Abstract: To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential and which can replace R410A and a heat cycle system employing the composition. A composition for a heat cycle system comprising a working fluid for heat cycle containing 1,2-difluoroethylene, and a refrigerant oil such as an oxygen-containing synthetic oil (such as an ester refrigerant oil or an ether refrigerant oil) or a hydrocarbon refrigerant oil, and a heat cycle system employing the composition for a heat cycle system.
    Type: Application
    Filed: November 14, 2016
    Publication date: March 2, 2017
    Applicant: Asahi Glass Company, Limited
    Inventors: Masato FUKUSHIMA, Hiroaki MITSUOKA
  • Publication number: 20170058174
    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 1,2-difluoroethylene, 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.
    Type: Application
    Filed: November 15, 2016
    Publication date: March 2, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato FUKUSHIMA, Hiroaki MITSUOKA
  • Publication number: 20170058173
    Abstract: To provide a working fluid for heat cycle containing 1,2-difluoroethylene, which has high stability, and which has cycle performance sufficient as an alternative to R410A (a pseudoazeotropic mixture refrigerant of difluoromethane and pentafluoroethane in a mass ratio of 1:1) or 1,1,1,2-tetrafluoroethane while the influence over global warming is suppressed, 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 at least two members selected from a saturated hydrofluorocarbon and a hydrofluorocarbon having a carbon-carbon double bond other than 1,2-difluoroethylene, and 1,2-difluoroethylene.
    Type: Application
    Filed: November 14, 2016
    Publication date: March 2, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Masato FUKUSHIMA
  • Publication number: 20170002244
    Abstract: To provide a working fluid for heat cycle which has high durability, which is excellent in the compatibility with a greater variety of refrigerant oils, and which is excellent in the cycle performance (capacity), a composition for a heat cycle system, and a heat cycle system. A working fluid for heat cycle, which contains trifluoroethylene and difluoromethane, wherein the proportion of the total amount of trifluoroethylene and difluoromethane based on the entire amount of the working fluid for heat cycle is higher than 90 mass %, and the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 21/79 to 39/61, a composition for a heat cycle system, and a heat cycle system employing the composition.
    Type: Application
    Filed: September 13, 2016
    Publication date: January 5, 2017
    Applicant: Asahi Glass Company, Limited
    Inventors: Masato FUKUSHIMA, Mai Tasaka, Katsuya Ueno, Hidekazu Okamoto, Katsuya Fujii, Toshiyuki Tanaka
  • Publication number: 20170002245
    Abstract: To provide a working fluid for heat cycle, which has less influence over global warming, which has a small temperature glide, which has a sufficiently low discharge temperature and which is excellent in the cycle performance (refrigerating capacity and coefficient of performance), a composition for a heat cycle system, and a heat cycle system. A working fluid for heat cycle, which contains trifluoroethylene and 1,2-difluoroethylene, a composition for a heat cycle system, and a heat cycle system employing the composition. In the working fluid for heat cycle, the proportion of the total amount of trifluoroethylene and 1,2-difluoroethylene is preferably at least 20 mass % and at most 100 mass %.
    Type: Application
    Filed: September 14, 2016
    Publication date: January 5, 2017
    Applicant: Asahi Glass Company, Limited
    Inventor: Masato FUKUSHIMA
  • Publication number: 20160369147
    Abstract: To provide a heat cycle system in which the working fluid is incombustible and has less influence over the ozone layer and global warming even if it leaks out, which has excellent cycle performance and which is excellent in the safety. A heat cycle system which employs a working fluid containing trifluoroethylene and either one or both of 1,1,1,2-tetrafluoroethane and pentafluoroethane, wherein the proportion of trifluoroethylene in a gaseous phase formed in the system is at most 50 mass %. For example, a refrigerating cycle system 10 comprising a compressor 11, a condenser 12, an expansion valve 13 and an evaporator 14, wherein the working fluid is controlled as above.
    Type: Application
    Filed: September 1, 2016
    Publication date: December 22, 2016
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato FUKUSHIMA, Mai TASAKA
  • Publication number: 20160369145
    Abstract: A working fluid for heat cycle which has a low global warming potential and which has self-decomposition property suppressed, 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 and 2,3,3,3-tetrafluoropropene, wherein the proportion of the total amount of trifluoroethylene and 2,3,3,3-tetrafluoropropene based on the entire amount of the working fluid is higher than 90 mass % and at most 100 mass %, and the proportion of trifluoroethylene based on the total amount of trifluoroethylene and 2,3,3,3-tetrafluoropropene is at least 21 mass % and at most 39 mass %, a composition for a heat cycle system, which comprises the working fluid for heat cycle, and a heat cycle system, which employs the composition.
    Type: Application
    Filed: August 31, 2016
    Publication date: December 22, 2016
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato FUKUSHIMA, Satoshi KAWAGUCHI, Katsuya UENO, Toshiyuki TANAKA, Hidekazu OKAMOTO, Tetsuo OTSUKA, Yoshinobu KADOWAKI, Tatsuhiro NOGAMI
  • Publication number: 20160355716
    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.
    Type: Application
    Filed: August 16, 2016
    Publication date: December 8, 2016
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato FUKUSHIMA, Hiroaki Mitsuoka, Mai Tasaka
  • Publication number: 20160355719
    Abstract: To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential 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 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 an aniline point of at least ?100° C. and at most 0° C., and a heat cycle system employing the composition for a heat cycle system.
    Type: Application
    Filed: August 17, 2016
    Publication date: December 8, 2016
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato FUKUSHIMA, Hiroaki MITSUOKA, Mai TASAKA, Daisuke SHIRAKAWA, Hirokazu TAKAGI, Takeaki ARAI
  • Publication number: 20160355717
    Abstract: To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential 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 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 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, and a heat cycle system employing the composition for a heat cycle system.
    Type: Application
    Filed: August 16, 2016
    Publication date: December 8, 2016
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato FUKUSHIMA, Hiroaki MITSUOKA, Mai TASAKA, Daisuke SHIRAKAWA, Hirokazu TAKAGI, Takeaki ARAI
  • Publication number: 20160347979
    Abstract: To provide a working fluid for heat cycle which has a small temperature glide, a sufficiently low discharge temperature, high durability and less influence over global warming, and with which a heat cycle system excellent in the system maintenance properties and the cycle performance (capacity) is achieved, a composition for a heat cycle system, and a heat cycle system. A working fluid for heat cycle, which contains trifluoroethylene and difluoromethane, wherein the proportion of the total amount of trifluoroethylene and difluoromethane based on the entire amount of the working fluid for heat cycle is higher than 90 mass % and at most 100 mass %, and the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 41/59 to 59/41, a composition for a heat cycle system, and a heat cycle system employing the composition.
    Type: Application
    Filed: August 9, 2016
    Publication date: December 1, 2016
    Applicant: Asahi Glass Company, Limited
    Inventors: Hidekazu OKAMOTO, Masato Fukushima, Satoshi Kawaguchi, Yoshinobu Kadowaki, Tetsuo Otsuka, Katsuya Ueno, Kazuyoshi Kurashima
  • Publication number: 20160347982
    Abstract: To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential and which can replace R410A and a heat cycle system employing the composition. A composition for a heat cycle system comprising a working fluid for heat cycle containing trifluoroethylene, and a refrigerant oil (for example, an ester refrigerant oil, an ether refrigerant oil, a polyglycol refrigerant oil or a hydrocarbon refrigerant oil), and a heat cycle system employing the composition for a heat cycle system.
    Type: Application
    Filed: August 12, 2016
    Publication date: December 1, 2016
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Masato FUKUSHIMA, Hiroaki MITSUOKA, Mai TASAKA
  • Publication number: 20160347981
    Abstract: To provide a composition for a hat cycle system which comprises a working fluid containing HFO-1123 and having cycle performance sufficient as an alternative to R410A while the influence over global warming is suppressed, 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 having a global warming potential (100 years) in Intergovernmental Panel on Climate Change (IPCC), Fourth assessment report, of less than 675, and a heat cycle system employing the composition for a heat cycle system.
    Type: Application
    Filed: August 12, 2016
    Publication date: December 1, 2016
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Masato FUKUSHIMA