Patents Assigned to Daikin Industries, Ltd.
  • COMPOSITION FOR FLUORINE RUBBER CROSSLINKING, MOLDED ARTICLE AND SEALING MATERIAL
    Publication number: 20240026138
    Abstract: A fluoroelastomer crosslinkable composition including a polyol-crosslinkable fluoroelastomer (a) and a cross-linking agent (b), wherein the cross-linking agent (b) is at least one selected from a compound represented by the following general formula (b) and a salt of the compound with an alkali metal, an alkaline earth metal, or an onium compound: wherein respective symbols are the same as those defined in the specification. Also disclosed are a formed article and sealing material obtained from the fluoroelastomer crosslinkable composition.
    Type: Application
    Filed: September 29, 2023
    Publication date: January 25, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazuyoshi KAWASAKI, Daisuke OTA, Kouhei TAKEMURA
  • FLUOROPOLYETHER GROUP-CONTAINING SILANE COMPOUND
    Publication number: 20240026184
    Abstract: A fluoropolyether group-containing silane compound of the following formula (A1) or (A2). Also disclosed is are surface-treating agent and a pellet including the fluoropolyether group-containing silane compound, and an article including a substrate and a layer on the surface of the substrate formed of fluoropolyether group-containing silane compound. The symbols are as defined in the description.
    Type: Application
    Filed: September 29, 2023
    Publication date: January 25, 2024
    Applicant: Daikin Industries, Ltd.
    Inventors: Motoshi MATSUI, Takashi Nomura, Shinya Takano, Yukari Honda, Yusuke Watanabe, Manami Kataoka, Akihiro Goto
  • METHOD FOR PRODUCING FLUORORESIN COMPOSITION, FLUORORESIN COMPOSITION, AND MOLDED BODY
    Publication number: 20240026043
    Abstract: A method for producing a fluororesin composition for compression molding excluding ram extrusion molding, the method including: mixing a powder of a fluororesin A1 having a history of being heated to a melting point thereof or higher and an aqueous dispersion containing particles of a fluororesin B1 and having a solid concentration of 50% by mass or lower to provide a mixture; and drying the mixture to provide a fluororesin composition.
    Type: Application
    Filed: September 29, 2023
    Publication date: January 25, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hirofumi Mukae, Yosuke Kishikawa, Taku Yamanaka, Taketo Kato, Ryuo Itoh, Hiroki Kubota
  • REFRIGERATION CYCLE APPARATUS
    Publication number: 20240027104
    Abstract: A refrigeration cycle apparatus includes a first refrigerant circuit and a second refrigerant circuit so as to improve the efficiency of operations. A first refrigerant circuit using a first refrigerant having a pressure of 1.2 MPa or less at 30° C. and a second refrigerant circuit using a second refrigerant having a pressure of 1.5 MPa or more at 30° C. are provided, and a dual cycle operation in which the first refrigerant circuit and the second refrigerant circuit are simultaneously operated to exchange heat between the first refrigerant and the second refrigerant and a single cycle operation in which the first refrigerant circuit is operated without operating the second refrigerant circuit to perform a cooling operation or heating operation are enabled in a switchable manner.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 25, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroki IKARASHI, Atsushi YOSHIMI, Takuro YAMADA, Eiji KUMAKURA, Ikuhiro IWATA, Ryuhei KAJI, Takeru MIYAZAKI, Hiroki UEDA, Masaki TANAKA, Masaki NAKAYAMA, Hideho SAKAGUCHI, Osamu TANAKA, Hirokazu FUJINO
  • FLUORORESIN COMPOSITION AND MOLDED BODY
    Publication number: 20240026141
    Abstract: A fluororesin composition, and a molded article obtained from the fluororesin composition. The fluororesin composition containing: a non-melt-flowable fluororesin A having a history of being heated to a melting point thereof or higher; and a non-melt-flowable fluororesin B having no history of being heated to a melting point thereof or higher. The fluororesin composition contains a tetrafluoroethylene unit and a modifying monomer unit based on a modifying monomer copolymerizable with tetrafluoroethylene. Further, the fluororesin composition is a powder for compression molding excluding ram extrusion molding.
    Type: Application
    Filed: September 29, 2023
    Publication date: January 25, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hirofumi MUKAE, Yosuke KISHIKAWA, Taku YAMANAKA, Taketo KATO, Ryuo ITOH, Hiroki KUBOTA
  • REFRIGERATION CYCLE APPARATUS
    Publication number: 20240027105
    Abstract: A refrigeration cycle apparatus efficiently performs a cooling operation and a heating operation using a low-pressure refrigerant and a high-pressure refrigerant. A refrigeration cycle apparatus using a first refrigerant having 1 MPa or less at 30° C. and a second refrigerant having 1.5 MPa or more at 30° C. performs a heating operation by performing a two-stage refrigeration cycle including a use-side refrigeration cycle using the first refrigerant and a heat-source-side refrigeration cycle using the second refrigerant, and performs a cooling operation by performing a single-stage refrigeration cycle using the first refrigerant.
    Type: Application
    Filed: September 29, 2023
    Publication date: January 25, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Atsushi YOSHIMI, Takuro YAMADA, Eiji KUMAKURA, Ikuhiro IWATA, Takeru MIYAZAKI, Hiroki UEDA, Masaki TANAKA, Masaki NAKAYAMA, Osamu TANAKA, Hirokazu FUJINO, Ryuhei KAJI
  • REFRIGERANT FLOW PATH UNIT AND REFRIGERATION APPARATUS
    Publication number: 20240027113
    Abstract: A refrigerant flow path unit includes: a unit body that includes plates that are laminated together, and has an interior in which a refrigerant flow path is formed; a refrigerant pipe; and a first brazing filler metal that joins the unit body to the refrigerant pipe. The plates of the unit body include: a first plate that has a first opening and is disposed at an end of the unit body in a first direction in which the plates are laminated; and a second plate that has a second opening that communicates with the first opening and is disposed second from the end of the unit body in the first direction. The refrigerant pipe is inserted into the first opening and the second opening.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 25, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Junichi Hamadate, Fumiaki Koike, Asahi Ono, Ayumi Kubo, Masato Okuno, Naritaka Yakura
  • Device-registration-work assisting system
    Patent number: 11879652
    Abstract: A device-registration-work assisting system includes a plurality of notification units, and a mobile terminal carriable by a worker. Each notification unit is built in or disposed near one of a plurality of devices subjected to registration work. The mobile terminal includes a display unit configured to display information regarding each of the devices, and a selection unit configured to select a corresponding one of the devices. The notification unit is configured to notify the worker by light, sound, or motion in response to the corresponding device being selected with the selection unit.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: January 23, 2024
    Assignee: Daikin Industries, Ltd.
    Inventors: Shin Higashiyama, Hiroshi Dohmae, Daisuke Satou, Sou Yanagimoto
  • Film forming method and film forming apparatus
    Patent number: 11879067
    Abstract: A film forming method is a method of forming a film on a substrate top face including a first region in which a metal or a semiconductor is exposed and a second region in which an insulator is exposed. The method includes a SAM forming process of forming a self-assembled monolayer film of a perfluoropolyether group-containing compound on the first region and a film growth process of forming a predetermined film on the second region after execution of SAM forming process.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: January 23, 2024
    Assignees: TOKYO ELECTRON LIMITED, DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi Fuse, Takashi Namikawa
  • Air conditioner, and method of replacing functional component
    Patent number: 11879646
    Abstract: An air conditioner includes a power source that supplies AC voltage and a wiring plug-in coupler connected to the power source. The wiring plug-in coupler is connected to a portion of the power source to which a first functional component, which is actuated by the AC voltage in cooperation with the air conditioner, is connected, supplies voltage to a second functional component actuated by DC voltage in cooperation with the air conditioner, and is connected with an input terminal of a converter that converts AC voltage to DC voltage and supplies the converted DC voltage to the second functional component.
    Type: Grant
    Filed: July 6, 2023
    Date of Patent: January 23, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazunari Fukagawa, Ryuuichi Toyota, Natsuko Kitagawa, Yuuki Takami, Yumi Aomatsu
  • Scroll compressor and refrigeration apparatus including same
    Patent number: 11879456
    Abstract: A scroll compressor includes a casing, compression mechanism housed in the casing, and drive shaft. The compression mechanism includes fixed and movable scrolls, and a housing. The housing includes a bearing portion configured to rotatably support the drive shaft, a body portion continuous with the bearing portion and extending radially outward, a pressing portion provided radially outside the body portion to press the casing, and a supporting portion extending from a face of the body portion near the fixed scroll. An end face of the supporting portion near the fixed scroll is a fastening face to which the fixed scroll is fastened. A gap is formed between an inner peripheral surface of the casing and outer peripheral surfaces of the body and supporting portions. An axial length of the gap is greater than or equal to an axial length of an inner peripheral surface of the supporting portion.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: January 23, 2024
    Assignee: Daikin Industries, Ltd.
    Inventor: Kenji Nagahara
  • Closed impeller and method for producing closed impeller
    Patent number: 11879476
    Abstract: A closed impeller includes an impeller body including a plurality of blade portions, and a shroud fitted on the impeller body. The shroud is press formed into a curved shape along end portions of the blade portions. The shroud includes a plurality of protrusions protruding from a surface facing the impeller body and extending, and curved, along the end portions of the plurality of blade portions. An amount of protrusion of each of the protrusions is less than a thickness of the shroud. A brazing material is provided at least on end portions of the protrusions.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: January 23, 2024
    Assignee: Daikin Industries, Ltd.
    Inventor: Tadashi Okada
  • Air conditioning system
    Patent number: 11879650
    Abstract: An air conditioning system has: an indoor fan that sends air into a room through an air-blowing flow path; a heat pump unit that air-conditions the room with a vapor compression refrigerant circuit; and a separate heat source unit that air-conditions the room with a furnace that heats air by burning fuel or an electric heater that heats air with heat generated by energization. As a refrigerant, a flammable refrigerant is sealed in the refrigerant circuit. A controller controls an operation of the indoor fan, the heat pump unit, and the separate heat source unit. When starting air conditioning in the room with the separate heat source unit, the controller brings a state where the indoor fan is in operation before causing an operation for burning fuel in the furnace.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: January 23, 2024
    Assignee: Daikin Industries, Ltd.
    Inventors: Miki Yamada, Junichi Shimoda
  • ASSEMBLY AND FRAGRANCE PRODUCT
    Publication number: 20240016278
    Abstract: An assembly includes a tube that transfers a liquid having a refractive index of 1.35 to 1.41, and a formed article provided with a fitting section to which one end of the tube is fitted. The formed article is formed from a non-fluoropolymer. The tube is formed from a fluoropolymer having a tensile elastic modulus of 300 MPa or more. The non-fluoropolymer has a tensile elastic modulus that is not less than 1.2 times the tensile elastic modulus of the fluoropolymer.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 18, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuuki Kuwajima, Takeshi Kozuki, Hiroaki Wada, Kenjiro Tanimoto
  • FLUORORESIN COMPOSITION AND MOLDED OBJECT
    Publication number: 20240018280
    Abstract: A fluororesin composition having no melt flowability, and a molded article obtained from the fluororesin composition. The fluororesin composition contains: a non-melt-flowable fluororesin A having a history of being heated to a melting point thereof or higher; a melt-flowable fluororesin B; and a non-melt-flowable fluororesin C including a portion having no history of being heated to a melting point thereof or higher.
    Type: Application
    Filed: September 29, 2023
    Publication date: January 18, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hirofumi MUKAE, Yosuke KISHIKAWA, Taku YAMANAKA, Taketo KATO, Atsushi SAKAKURA, Ryuo ITOH, Hiroki KUBOTA, Ayane NAKAUE
  • REFRIGERATION CYCLE DEVICE FOR VEHICLE
    Publication number: 20240017595
    Abstract: A refrigeration cycle device for a vehicle includes a refrigerant circuit, in which a zeotropic refrigerant mixture is circulated, including a utilization heat exchanger including a first heat exchange portion and a second heat exchange portion disposed in series with the first heat exchange portion in a direction in which the zeotropic refrigerant mixture flows in the refrigerant circuit. The first heat exchange portion is disposed on an upstream side of the second heat exchange portion in a direction in which the zeotropic refrigerant mixture flows when the utilization heat exchanger functions as an evaporator of the zeotropic refrigerant mixture.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 18, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Ikuhiro Iwata, Eiji Kumakura, Tetsushi Tsuda, Shinjiro Domi
  • METHOD FOR PRODUCING ORGANIC FLUORINE COMPOUNDS
    Publication number: 20240018081
    Abstract: An object of the present disclosure is to provide a method for producing a fluorinated organic compound, the method being capable of removing a sulfur-containing substance to a high degree, or provide a composition containing a fluorinated organic compound with a low content of a sulfur-containing substance. The present disclosure relates to a method for producing a fluorinated organic compound (pf), the method comprising: [A] reaction step A of fluorinating an organic sulfur compound (ss) with a fluorinating agent to obtain a composition (?) containing a fluorinated organic compound (pf); and [B] post-treatment step B of reacting the composition (?) with a nucleophile at a temperature of 40° C. or higher.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 18, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Atsushi SHIRAI, Yoshichika KUROKI, Yuusuke ETOU, Masayuki KISHIMOTO, Takashi NAMIKAWA, Sumi ISHIHARA, Makoto SUYAMA, Kenji ADACHI, Yosuke KISHIKAWA
  • HEAT PUMP APPARATUS
    Publication number: 20240019177
    Abstract: An air conditioner, which is a heat pump apparatus, includes a refrigerant circuit, a compressor, and a composition adjustment mechanism. The refrigerant circuit circulates a non-azeotropic mixture refrigerant including a first refrigerant and a second refrigerant having a boiling point higher than the first refrigerant. The compressor compresses the non-azeotropic mixture refrigerant. The first refrigerant is a compound represented by a molecular formula having one or more carbon-carbon unsaturated bonds. The composition adjustment mechanism is provided in the refrigerant circuit. The composition adjustment mechanism prevents an increase in the rate of the first refrigerant included in the non-azeotropic mixture refrigerant discharged from the compressor.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 18, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Ikuhiro IWATA, Eiji KUMAKURA, Tetsushi TSUDA, Shinjiro DOMI, Atsushi YOSHIMI
  • FLUORINE-CONTAINING COPOLYMER
    Publication number: 20240018285
    Abstract: There is provided a fluorine-containing copolymer containing tetrafluoroethylene unit, hexafluoropropylene unit, and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 7.0 to 12.0% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 1.5 to 2.9% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 40 to 60 g/10 min.
    Type: Application
    Filed: August 21, 2023
    Publication date: January 18, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tadaharu ISAKA, Yukari YAMAMOTO, Yumi ZENKE
  • VISUALIZATION SYSTEM, AND PROGRAM
    Publication number: 20240019152
    Abstract: A visualization system includes: a receiver configured to receive an input of arrangement information indicating a location of an object image on a target area image showing a target area; a storage storing correspondence information; a controller configured to output information indicating an air condition of the target area based on the arrangement information on the object image and the correspondence information; and a display configured to display at least one of information indicating the target area image or the information indicating the air condition of the target area. The object includes an air conditioner and a fixture.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 18, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masafumi UDA, Tomoyuki HAIKAWA, Yone YUN, Yoshiaki NAKAZAWA, Yuki YAMOTO