Nissan Motor Company Limited

Masahiro Omata

Yasushi Matsushita

Kaoru Eguchi

Kiyoshi Hasegawa

Yoshiki Muto

Takeharu Kuramochi

Masanori Iwamoto

Masahiko Katsu

Makoto Kano

Takashi Ogino

Kenshi Ushijima

Kimio Nishimura

Takashi Sekikawa

Takumi Ohshima

Masahiko Iizumi

Takafumi Watanabe

Hideto Kanafusa

Hiroaki Shibukawa

Tomohiro Kondo

Yoshiyuki Chida

Kazuo Takeda

Hideki Watanabe

Jun Watanabe

Nobutaka Chiba

Akira Fujiki

Akihisa Hori

Toshikazu Nanbu

Michito Kishi

Hiroshi Saitou

Takayuki Hirao

Yukihiro Maekawa

Haruhiko Suzuki

Takeshi Shimizu

Sadao Miki

Hiroo Ueda

Minoru Oota

Manabu Wakuta

Koji Higaki

Yuhei Yamane

Yoshiteru Yasuda

Kunitomo Ishiguro

Kazuhiro Takaichi

Yasuhisa Koike

Hideo Sakuyama

Tokio Sakane

Min Wu

Yoshito Ozawa

A rectangular wire is wound on a stator core having a plurality of teeth and a plurality of slots. A plurality of rectangular wire elements is provided by cutting a rectangular wire into a predetermined length and bending into a substantial U-shape. A plurality of rectangular wire pieces configured to form a coil by connecting predetermined end portions of the rectangular wire elements is molded as a sub-assembly. Each of the plurality of the rectangular wire elements is inserted into a predetermined pair of the slots from a first end face of the stator core such that the respective end portions of the rectangular wire elements project from a second end face of the stator core. The rectangular wire pieces of the sub-assembly are fixed to the end portions of the rectangular wire elements, thereby manufacturing a stator coil having compact coil ends easily.

Rectangular wire stator coil manufacturing method

A manufacturing device for cleft magnets comprises a cleaving mechanism for cleaving a magnet plate by applying a pressing force to the magnet plate corresponding to a back of a groove formed on one surface of the magnet plate and a carry-in mechanism for carrying the magnet plate to a cleaving position by the cleaving mechanism. By comprising a foreign matter removal mechanism for removing a foreign matter adhering to the magnet plate before the magnet plate is carried to the cleaving position by the carry-in mechanism, the foreign matter adhering to the magnet plate is removed before cleaving.

Manufacturing device for cleft magnet

A magnet evaluating device evaluates an evaluation magnet by passing the evaluation magnet, which is formed by connecting a plurality of magnetic sections with insulating material in between, and a master magnet of the same form through an alternating magnetic field generated by an excitation coil, measuring the eddy current occurring in the magnetic section as voltage or current occurring in a detection coil and comparing the measured value for the evaluation magnet and the measured value for the master magnet.

Magnet evaluating device and method

A fuel cell is manufactured using a polymer electrolyte membrane (). A catalyst layer () is formed at fixed intervals on the surface of the strip-form polymer electrolyte membrane () in the lengthwise direction thereof, and conveyance holes () are formed in series at fixed intervals on the two side portions thereof. By rotating a conveyance roller () comprising on its outer periphery projections which engage with the holes (), the polymer electrolyte membrane () is fed from a reel (). A GDL () and a separator () are adhered to the fed polymer electrolyte membrane () at a predetermined processing timing based on the rotation speed of the conveyance roller (), and thus the fuel cell is manufactured efficiently while the GDL () and separator () are laminated onto the catalyst layer () accurately.

Manufacture of fuel cell

Separators (A,B,) and membrane-electrode assemblies () of a fuel cell stack () are alternately stacked in a guide box (). The separators (A,B,) each have groove-like gas paths (A,B). Powder of an adhesive agent () is adhered in advance to the surfaces of the separators (A,B,), except the gas paths (A,B), through photosensitive drums (A,B) to which the powder is adsorbed in a given pattern. The separators (A,B,) and the membrane-electrode assemblies (), stacked in the guide box (), are heated and compressed by a press () and heaters (C) to obtain a unitized fuel cell stack ().

Fuel cell and production of fuel cell stack

An apparatus and method for surface finishing a workpiece is disclosed as including a workpiece supporting mechanism supporting a workpiece having a target shaped periphery with a given width to be surface finished and a tool holder holding a surface finish tool in abutting contact with the target shaped periphery of the workpiece. A pressure applying mechanism is operative to apply a pressure force to the surface finish tool through the tool holder to cause the surface finish tool to be held in pressured contact with the target shaped periphery, with the pressure force exhibiting a given distribution pattern depending upon an axial direction of the workpiece. A drive mechanism rotates the workpiece to allow the surface finish tool to surface finish the target shaped periphery into a given geometrical profile, variably contoured along an axis of the workpiece depending on the given pressure distribution pattern.

Surface finishing apparatus and related method

A film feeder (FF) feeds a film (), a first drive () rotates a work (W), a second drive () moves the work (W) relative to the film (), a shoe set handler () handles the shoe set () to press the film () against the work (W), and a deterioration delayer (C) is configured to delay an abrasivity deterioration of the film ().

Lapping apparatus and lapping method

A lapping apparatus lapping a work having a pre-machined surface comprises a lapping film which includes a thin substrate having a surface provided with abrasive grains, a shoe disposed at a back surface side of the lapping film, a shoe driving unit which drives the shoe toward the work in order to press the abrasive-grained surface of the lapping film to the pre-machined surface of the work, a rotational driving unit which drives the work rotationally, a detecting unit which detects the position of the rotating work in the rotating direction, and a controlling unit which controls the pressing force of the shoe driving unit so as to drive the shoe correspondingly to the position of the work in the rotating direction during machining.

A low friction sliding element for reciprocating engine parts, including a sliding contact surface that is in sliding contact with a counterpart during relative sliding motion of the sliding element and the counterpart. The sliding contact surface has microscopic recesses and plateaus interrupted by the recesses. The recesses have depths regularly varying in a sliding direction of the sliding element.

Low friction sliding element for a reciprocating engine

A rotary assembly for traction drives, including a plurality of rolling elements having a rotation axis and traction contact surfaces around the rotation axis and associating with each other to transmit a motive power between the rolling elements via a traction oil film formed between the traction contact surfaces, in which at least one of the traction contact surfaces has a microstructure with irregularities which sizes are larger than a thickness of the traction oil film. The process for the traction contact surface is also disclosed.

Traction drive rotary assembly and process for producing rolling element thereof

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Yokohama, Japan

Masahiro Omata