Agc Inc.

Showa Denko K.k.

Asahi Glass Company, Limited

Showa Denko Kabushiki Kaisha

Kabushiki Kaisha Toshiba

Honda Motor Co., Ltd.

Denso Corporation

National Institute of Advanced Industrial Science and Technology

Waseda University

Japan Sun Oil Company, Ltd.

Masato Fukushima

Mai Tasaka

Akira Sakawaki

Hiroaki Mitsuoka

Hirokazu Takagi

Satoshi Kawaguchi

Daisuke Shirakawa

Masaaki Tsuzaki

Katsuya Ueno

Akira Yamane

Takeaki Arai

Maki Shigematsu

Hiroki Hayamizu

Hidekazu Okamoto

Tetsuo Otsuka

Yoshinobu Kadowaki

Toshiyuki Tanaka

Hiroshi Uchida

Yasumasa Sasaki

Shinichi Ishibashi

Yukihisa Matsumura

Yoshihito Sueoka

Tatsuhiro Nogami

Daizo Endo

Yu Takeuchi

Keiichi Ohnishi

Tomoaki Taniguchi

Ryuji Sakaguchi

Naoyuki Imai

Shin-ichi Ogawa

Kenrou Kitamura

Takayuki Yagi

Shin Nishida

Tetsuya Osaka

Kenji Shimizu

Shinichi Koyama

Tomoo Shige

Junya Kato

Katsuaki Aida

Hiroshi Yamamoto

Yoshikazu Arai

Takeshi Terada

Tamaki Chinsoga

Koji Sonoda

Katsumasa Hirose

Rei Saito

Yuko Sakata

Tomokazu Umezawa

Katsuya Fujii

Kazuyoshi Kurashima

Atsushi Sugiyama

Yoshiko Takahashi

Kinji Takahashi

Kazumichi Tosa

Masashi Seino

Yuu Yamakawa

Motoo Takano

Takuma Hachisu

Shunsuke Takeyama

Takanori Sakuragi

Mai Hashimoto

Yukio Tanaami

Akihiro Matsuyama

Kenji Takizawa

To provide a working fluid for heat cycle having a low global warming potential, which can replace R410A, a composition for a heat cycle system comprising it, and a heat cycle system employing the composition. A working fluid for heat cycle, which comprises trifluoroethylene and 2,3,3,3-tetrafluoropropene, wherein 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 %, and the proportion of trifluoroethylene based on the total amount of trifluoroethylene and 2,3,3,3-tetrafluoropropene is from 35 to 95 mass %, a composition for a heat cycle system comprising the working fluid for heat cycle, and a heat cycle system employing the composition.

Working fluid for heat cycle, composition for heat cycle system, and heat cycle system

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 &#x2212;100&#xd7;{(measured maximum burning velocity)&#x2212;(estimated maximum burning velocity)}/(estimated maximum burning velocity), of at least 10%.

Fluid composition, refrigerant composition and air conditioner

To provide a propellant which has sufficient propelling performance and of which a component to be sprayed imposes low environmental burden, a propellant composition and a sprayer. A propellant composition comprising a propellant containing 1-chloro-2,3,3,3-tetrafluoropropene and a pressurizing agent, and a sprayer comprising the propellant composition, a container in which the propellant composition is contained, and a spray unit to spray the propellant composition to the outside of the container.

Pressurized container system

A working fluid for a heat cycle containing trifluoroethylene and 2,3,3,3-tetrafluoropropene. The working fluid exhibits a pressure change of 0.00 and a temperature change of 0.5&#xb0; C. or less in an evaluation of self-decomposition conducted by enclosing a sample of the working fluid and a platinum wire in a spherical pressure resistant reactor having an internal capacity of 650 cmat a temperature is 250&#xb0; C. and a pressure of 0.98 MPaG, fusing the platinum wire to apply an energy of about 30 J to the working fluid, and measuring the temperature change and pressure change in the pressure resistant reactor after applying energy to the working fluid.

To provide a composition for a hat cycle system which comprises a working fluid containing 1,1,2-trifluoroethylene, having cycle performance sufficient as an alternative to R410A while suppressing influence over global warming, and a heat cycle system employing the composition. A composition for a heat cycle system, which comprises a working fluid for heat cycle containing 1,1,2-trifluoroethylene, CFI and at least one compound selected from a hydrofluorocarbon, a hydrofluoroolefin other than 1,1,2-trifluoroethylene and a hydrocarbon, and having a temperature glide of at most 7&#xb0; C., and a heat cycle system employing the composition for a heat cycle system.

Composition for heat cycle system, and heat cycle system

A heat cycle system is a heat cycle system () using a working medium containing hydrofluoroolefin (HFO) that has a double bond in a molecule structure, the heat cycle system () having a compressor (), a high-pressure side heat exchanger (), a low-pressure side heat exchanger (), an expansion mechanism (), and an acid detection means () which is disposed in a discharge pipe () connecting the compressor () and the high-pressure side heat exchanger () and which detects acid generated by decomposition of the working medium in a heat cycle.

Heat cycle system

To provide a method for safely and stably storing a hydrochlorofluoroolefin filled in a container for storage, transportation, etc. A method for storing a hydrochlorofluoroolefin in a sealed storage container, wherein the hydrochlorofluoroolefin is stored in such a state that a gas phase and a liquid phase coexist in the storage container, and the concentration of air in the gas phase in the storage container at a temperature of 25&#xb0; C. is kept to be at most 3.0 vol %, and a method for storing a hydrochlorofluoroolefin in a sealed storage container, wherein the hydrochlorofluoroolefin is stored in such a state that a gas phase and a liquid phase coexist in the storage container, and the concentration of oxygen in the gas phase in the storage container at a temperature of 25&#xb0; C. is kept to be at most 0.6 vol %.

Storage method for hydrochlorofluoroolefin, and storage container for hydrochlorofluoroolefin

Propellant, propellant composition and sprayer

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.

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, 2,3,3,3-tetrafluoropropene, and optionally a hydrofluoroolefin other than 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 %.

To provide a composition for a heat cycle system with which a HCFO or a CFO can more stably lubricate, and a heat cycle system employing the composition. A composition for a heat cycle system comprising a working fluid for heat cycle containing at least one compound selected from predetermined HCFO and CFO, and a mixed refrigeration oil obtained by mixing a naphthenic mineral oil and other predetermined refrigeration oil, wherein the mixed refrigeration oil has a kinematic viscosity at 40&#xb0; C. of 300 mm/s or lower, a mixed composition 1 of the working fluid for heat cycle and the mixed refrigeration oil at a concentration of the working fluid for heat cycle of 10 mass % has a viscosity at 60&#xb0; C. of 10 mPa&#xb7;s or higher, and a mixed composition 2 of the working fluid for a heat cycle system and the mixed refrigeration oil at a concentration of the mixed refrigeration oil of 5 mass % has a two phase separation temperature of 0&#xb0; C. or lower, and a heat cycle system, which employs the composition for a heat cycle system.

A storage apparatus includes a disk-shaped recording medium, a motor configured to drive and rotate the recording medium, a head configured to read information from and write information to the recording medium, and a support member configured to support the recording medium when the recording bends in response to external vibration or shock. The support member supports the recording medium by making contact with the recording medium only when the external vibration or shock is applied to the storage apparatus.

Storage apparatus

A storage apparatus includes a disk-shaped recording medium having a surface, a motor configured to drive and rotate the recording medium, a head configured to read information from and write information to the recording medium, a ramp mechanism configured to move the head from a position above the surface of the recording medium to a head receded position, and a ramp retracting mechanism configured to move the ramp mechanism from a position above the surface of the recording medium to a ramp retracted position. Each of the head receded position and the ramp retracted position is outside a range of the recording medium in a plan view viewed from above the recording medium in a direction perpendicular to the surface of the recording medium.

Growing community of inventors

Chiyoda-ku, Japan

Masato Fukushima