Hitachi, Ltd.

Nissan Motor Company Limited

Hitachi Metals, Ltd.

Sony Corporation

Hitachi Cable, Inc.

Renesas Technology Corp.

Hitachi-high-technologies Corporation

Asmo Co., Ltd.

Other

Japan Aerospace Exploration Agency

Hitachi Communication Systems, Inc.

Yamanashi University

Hitachi Instruments Engineering Co., Ltd.

Takashi Aoyama

Shigeto Isakozawa

Shunroku Taya

Kazutoshi Kaji

Kiyoshi Omori

Hidekazu Seto

Akira Yamaura

Tomiya Abe

Kozo Watanabe

Yutaka Misawa

Takaya Suzuki

Fukuo Owada

Koji Kimoto

Masaaki Shinohara

Nobutake Konishi

Kenji Miyata

Hiroyuki Tanaka

Hayato Chikugo

Akinari Nakayama

Kazuhiro Ueda

Mitsunori Kumada

Ryoichi Shimoi

Yasuhiro Mochizuki

Hitoshi Taniguchi

Katsuhisa Usami

Daisuke Shanai

Tatsuya Ohtaka

Hiroaki Komatsu

Kiyoaki Tsuji

Akihiro Tanba

Kazuhiko Sasada

Akio Hattori

Genshiro Kawachi

Kazuhiro Ogawa

Takao Izumi

Yoshikazu Hayakawa

Michio Suzuki

Hirofumi Tsuchida

Kiminori Sugauchi

Kishio Hidaka

Manabu Kato

Yoshifumi Taniguchi

Naohiro Momma

Shigeyoshi Nakamura

Toshie Yaguchi

Ryo Hiraga

Masaaki Shimizu

Isamu Hotta

May Suzuki

Saburo Oikawa

Yuzo Ito

Motohisa Kamijo

Akio Mimura

Susumu Maeshima

Masakazu Saito

Ryousuke Sakamaki

Takashi Onimoto

Shinichi Takaba

Masahiro Tomita

Koichi Yamaguchi

Toshikazu Shiino

Tadashi Shoji

Tadaki Oota

Takeo Kamino

Yoshikazu Hosokawa

Shuhei Yasuda

Yosuke Inoue

Yasutada Tanabe

Kazuyoshi Aramaki

Tomoko Sekiguchi

Noboru Kobiki

Yuuichi Iriya

Takeshi Kunishima

Shingo Ashihara

Hidenori Okuzaki

Hiroshi Oyama

Kishu Hosoi

Hirotaka Yasaki

Kazutoshi Kajl

Masahiko Sugiura

Masashi Yoshio

Yoshiaki Okajima

Eimi Adachi

Shuji Watanuki

Youji Kamata

Yuki Ogawa

Teruji Sato

Iwao Watanabe

A main rotor blade, which is the main rotor bladefor a high-velocity helicopter, includes: a blade root parthaving a length of 30% or more of a rotor radius R; and a blade main bodycontinuous with the blade root part. Preferably, a cross-sectional shape of the blade root partsatisfies (x/a)+(y/b)=1 and a&#x3e;b, where m: arbitrary number, x: chord length direction, and y: blade thickness direction.

Main rotor blade and helicopter

An insulated electric wire includes a conductor and an insulating layer coated in periphery of the conductor. The insulating layer is made of a resin composition containing a base polymer and a flame retardant. The flame retardant is made of silane-treated aluminum hydroxide, aluminum hydroxide treated with a treatment agent other than a silane coupling agent and/or untreated aluminum hydroxide. The base polymer contains a polymer having a polar group. The resin composition contains the flame retardant, a content of which is more than 40 parts by mass and equal to or less than 80 parts by mass per 100 parts by mass of the base polymer. The resin composition contains the silane-treated aluminum hydroxide, a content of which is equal to or more than 10 parts by mass and equal to or less than 70 parts by mass per 100 parts by mass of the flame retardant.

Resin composition, insulated electric wire and method of manufacturing insulated electric wire

A pressure sensor includes an insulator having a hollow portion; and a plurality of electrical conductors that have been disposed apart from each other along the inner surface facing the hollow portion of the insulator. The insulator comprises an insulating resin composition made of a material which does not need cross-linking, the plurality of electrical conductors comprise an electroconductive resin composition made of a material which does not need cross-linking, the insulating resin composition and the electroconductive resin composition comprise a process oil, and a mass percentage concentration of the process oil in the electroconductive resin composition is higher than a mass percentage concentration of the process oil in the insulating resin composition.

Pressure sensor including electrical conductors comprising electroconductive resin composition that does not need cross-linking

[Problem] To provide: an electroconductive resin composition which can be produced at low cost and is suitable as a material for the electrical conductors of a pressure sensor; and a pressure sensor including electrical conductors constituted of the electroconductive resin composition. [Solution] The present invention provides a pressure sensor () which includes an insulator () having a hollow portion () and a plurality of electrical conductors () that have been disposed apart from each other along the inner surface facing the hollow portion () of the insulator (), the plurality of electrical conductors () comprising an electroconductive resin composition that includes both a styrene-based thermoplastic elastomer and carbon.

Electroconductive resin composition and pressure sensor

An adhesive composition includes (A) a phenoxy resin including a plurality of hydroxyl groups at a side chain: 100 parts by mass, (B) a multifunctional isocyanate compound including an isocyanate and at least one functional group selected from the group consisting of a vinyl group, an acrylate group and a methacrylate group within its molecule: 2 to 55 parts by mass, (C) a maleimide compound and/or a reaction product thereof having a plurality of maleimide groups within its molecule: 5 to 30 parts by mass, and (D) one or more kinds of an inorganic filler having an average particle size of 5 &#x3bc;m or less which is measured by a laser diffraction: 1 to 50 parts by mass, a total amount of the components (B) and (C) is 7 to 60 parts by mass.

Adhesive composition, adhesive varnish, adhesive film and wiring film

An adhesive varnish includes 100 parts by mass of a component A that includes a phenoxy resin including a plurality of hydroxyl groups in a side chain, 2 to 55 parts by mass of a component B that includes a polyfunctional isocyanate compound including, in a molecule thereof, an isocyanate and at least one of a vinyl group, an acrylate group and a methacrylate group, 5 to 30 parts by mass of a component C that includes a maleimide compound including a plurality of maleimide groups in a molecule thereof or/and a reaction product thereof, a component Sincluding a low-boiling point solvent having a boiling point of not more than 100&#xb0; C., and a component Sincluding a high-boiling point solvent having a boiling point of more than 100&#xb0; C.

Adhesive varnish, adhesive film and wiring film

A cord switch including a cord switch main body including a hollow tubular member having elasticity and electrical insulating property and a plurality of electrode wires provided to face each other with an interval at an inner surface of the tubular member and spaced from each other by the elasticity of the tubular member, and a mounting member having an elastic modulus greater than an elastic modulus of the tubular member and being provided along the cord switch main body. The cord switch also includes a strip-shaped impact absorption member having an elastic modulus lower than the elastic modulus of the tubular member, which is interposed between the cord switch main body and the mounting member.

Cord switch and cord switch mounting structure

For implementing a stop control which extracts a current from a fuel cell and consumes a cathode side oxygen at a system stop, the current extraction from the fuel cell is ended in a state that a certain quantity of oxygen smaller than when the current extraction is started remains on a cathode side of the fuel cell. With this, the hydrogen movement to the cathode side after the system stop can be effectively suppressed and thereby a cathode internal hydrogen concentration at the system start can be kept low, thus making it possible to properly process the cathode side hydrogen at the system start.

Fuel cell system, and method of stopping fuel cell system

Two electrode wires longitudinally provided along the inner surface of an elastic insulating member having a hollow portion are exposed from said elastic insulating member, the resistive element comprising a resistor body and the resistive element's lead wires is formed into a U-letter shape, said two electrode wires exposed from said elastic insulating member and said resistive element's lead wires are electrically connected via one metal plate, and a portion wherein one of said two electrode wires and one of the lead wires extending from both ends of said resistor body are electrically connected and a portion wherein the other one of said two electrode wires and the other one of the lead wires extending from both ends of said resistor body are electrically connected are separated by cutting said one metal plate.

Pressure-sensitive sensor production method and pressure-sensitive sensor

Deterioration at the start-up and deterioration during the leaving period are suppressed in a good balance. As a system shutdown process, a controller () causes consumption of the air (oxygen) present in an oxidant electrode of a fuel cell stack () (oxygen consumption control). Further, after the termination of the oxygen consumption control, the controller () performs control to set a medium pressure hydrogen valve () and a hydrogen pressure adjustment valve () in a closed state. The controller () thereby causes hydrogen to be held in a passage located between the medium pressure hydrogen valve () and the hydrogen pressure adjustment valve (). During a system shutdown period, a predetermined amount of hydrogen (medium pressure hydrogen) held in the hydrogen supply passage (L) at a position between the medium pressure hydrogen valve () and the hydrogen pressure adjustment valve () can be supplied to the fuel electrode of the fuel cell stack () through a bypass passage (L).

Fuel cell system and method of controlling fuel cell system

A fuel cell system including a plurality of single-cell units, each of which include an electrolyte membrane disposed between an anode and a cathode and which generate electric power by a reaction of a fuel gas in the anode and an oxidizer gas in the cathode, and a fuel cell in-which the plurality of single-cell units are stacked. A plurality of voltage measurement devices measure the voltages of the single-cell units, respectively. A control unit determines the humidification state of the fuel cell based on the voltage of a second single-cell unit wherein when the voltage of the second single-cell is equal to or lower than an insufficient-humidification-determining voltage which is higher than the predetermined voltage the control unit determines that humidification of the fuel cell is insufficient, disposed in the vicinity of a first single-cell unit, the first single-cell unit having a voltage that is equal to or lower than a predetermined voltage.

Fuel cell system

A position sensor cord includes a hollow insulator formed of a restorable rubber or a restorable plastic, and two linear resistive members. Each of the two linear resistive members includes a linear insulator and a conductive layer provided around a circumference of the linear insulator. The conductive layer is formed of a conductive rubber or a conductive plastic. The two linear resistive members are arranged in no electrical contact with each other and along an inner surface of the hollow insulator. One of the two linear resistive members may be replaced with one linear conductive member.

Position sensor cord, position sensor and planar position sensor

A foreign objection detection sensor has a lengthy sensor part having a sensor electrode having a first sensor electrode which detects a proximity of a foreign object and a second sensor electrode which detects a contact of the foreign object, a sensor terminal part provided at one end of the sensor part, a leading wire pulled out from the sensor terminal part, the leading wire being electrically connected to the sensor electrode at the sensor terminal part to provide a proximity detecting function for detecting the proximity of the foreign object to the sensor part and a contact detecting function for detecting the contact of the foreign object to the sensor part. The sensor terminal part has a support member which supports a detection circuit unit electrically connected to the sensor electrode to carry out the proximity detecting function and the contact detecting function together with the sensor electrode. The detection circuit unit is disposed in the support member.

Foreign object detection sensor and method for manufacturing the same

A composition of conductive rubber which does not adhere each other in uncross-linked state is provided to exhibit good workability. The composition of conductive rubber including carbon as conductive additive in a base rubber to be cross-linkable by electron beam radiation includes 5 to 40% by weight of an adhesion inhibitor of uncross-linked rubber into a base rubber which is selected from ethylene ethyl acrylic acid copolymer resin (EEA), ethylene vinyl acetate copolymer resin (EVA), ethylene methyl acrylate copolymer resin (EMA), and ethylene acrylic acid copolymer resin (EAA).

Composition of conductive rubber

A cord switch includes a hollow insulation having a restoring force, a plurality of inner electrode wires provided along an inner surface of the hollow insulation, and an outer electrode provided on an outer surface of the hollow insulation. The outer electrode includes a plurality of outer electrode wires wounded on the outer surface of the hollow insulation, the outer electrode wires each including a copper wire and a plated layer formed on a surface of the copper wire, and the plated layer includes a transition metal except cobalt, manganese, copper, iron and vanadium, or a typical metal.

Cord switch

Growing community of inventors

Yokohama, Japan

Takashi Aoyama