Toyota Jidosha Kabushiki Kaisha

Toyoda Koki Kabushiki Kaisha

Denso Corporation

Osg Corporation

Hayashi Precision Co. Ltd

Yasuo Kinoshita

Motohiro Tsuzuki

Hideo Saito

Masakazu Kurihara

Kenji Shimoda

Tadashi Takagaki

Tatsuo Iida

Yasuyuki Hirao

Kazuaki Nishio

Ippei Hamanaka

Atsushi Hase

Mamoru Yoshioka

Naoya Takagi

Masahiko Asano

Kiyoharu Nakamura

Noriaki Kumagai

Hirokazu Ito

Shingo Fubuki

Yasuharu Terada

Natsuki Sugiyama

Masao Nakayama

Yuji Sekitomi

Hiroyuki Sakai

Eisaku Kakiuchi

Kenji Kidera

Kohei Hori

Gozo Kaji

Hideji Naito

Yushi Takeuchi

Mitsutaka Yoshida

Koji Kasahara

Toshiaki Hamaguri

Akira Hiramitsu

Hiromichi Hashimoto

Akio Satou

Yoshihiro Umebayashi

Masaru Setodoi

Masahiko Higuchi

Hirofumi Kuwabara

Motohiro Tsuzukui

Osamu Satoh

Naito Hideji

A rotary electric rotor includes a rotor core having a shaft through-hole; a rotor shaft having a male screw portion on its first side; a washer having an annular structure with cutouts elastically deformable in a radial direction, having a washer tapered surface, and having an annular projection portion that extends in an axial direction from an end surface and is fixed to the rotor core in a state of being disposed in a gap between an inner circumferential surface of the shaft through-hole and an outer circumferential surface of the rotor shaft and pressing the inner circumferential surface of the shaft through-hole, the end surface and the washer tapered surface are opposite surfaces of the washer; and a nut having a female screw portion that meshes with the male screw portion and having a nut tapered surface that faces the washer tapered surface.

Rotary electric rotor and method of manufacturing rotary electric rotor

In a fuel injection valve having a nozzle hole plate wherein a nozzle hole is formed, the nozzle hole is formed with a flow path cross-section having an oval shape that has long axes and short axes, and the nozzle hole is formed having a tapered shape in which a flow path sectional area becomes larger from an entry-side open end portion toward an exit-side open end portion. The nozzle hole is formed such that a second angle that is an intersecting angle of opposing nozzle hole inner wall surface portions in an oblique section along the short axes of the entry-side open end portion and the exit-side open end portion, is greater than a first angle that is an intersecting angle of opposing nozzle hole inner wall surface portions in a longitudinal section along the long axes of the entry-side open end portion and the exit-side open end portion.

Fuel injection valve

In a method for producing a rotor including a leak prevention hole formed in a rotor core to prevent leakage of magnetic flux from a permanent magnet; an outer-circumferential-side dovetail groove formed in an outer-circumferential-side inner wall of the leak prevention hole, an inner-circumferential-side dovetail groove formed, opposite the outer-circumferential-side dovetail groove, in an inner-circumferential-side inner wall of the leak prevention hole; and a non-magnetic bridge having both end portions engageable with the dovetail grooves, an external force is applied to bring the outer-circumferential-side inner wall close to the inner-circumferential-side inner wall, the non-magnetic bridge is inserted in the dovetail grooves while keeping the rotor core in an elastically deformed state, and, after inserting, the external force is released.

Method for producing a rotor

In a rotor structure including a leak prevention hole formed in a rotor core to prevent leakage of magnetic flux from a permanent magnet; an outer-circumferential-side dovetail groove formed in an outer-circumferential-side inner wall of the leak prevention hole, an inner-circumferential-side dovetail groove formed, opposite the outer-circumferential-side dovetail groove, in an inner-circumferential-side inner wall of the leak prevention hole; and a non-magnetic bridge having both end portions engageable with the dovetail grooves. The non-magnetic bridge is formed with a chamfer at only one end face of both end faces in an axial direction of the rotor core. The non-magnetic bridge includes two or more non-magnetic bridges. The non-magnetic bridges are arranged so that the end faces formed with the chamfers are alternately located at the one end face of the rotor core.

Rotor structure

A semiconductor device includes: a stacked unit including a semiconductor module and a plurality of coolers each having a flow passage through which a coolant flows, the semiconductor module being disposed between the coolers; a coolant supply-discharge pipe configured to supply the coolant to the coolers or discharge the coolant from the coolers, the coolant supply-discharge pipe being passed through the stacked unit in a stacking direction of the stacked unit; a displacement restricting member provided at a first end portion of the coolant supply-discharge pipe, the displacement restricting member being configured to restrict displacement of the stacked unit in the stacking direction of the stacked unit; and a pressurizing member provided at a second end portion of the coolant supply-discharge pipe, the pressurizing member being configured to apply force to the stacked unit in a direction toward the first end portion.

Semiconductor device and method of manufacturing the same

In this manufacturing method, when a plurality of planetary shaft main bodies are arranged at even intervals around a sun shaft main body, a state in which a sun threaded section is engaged with each of planetary threaded sections is referred to as a regular assembled state, and an assembly formed by a combination of the sun shaft main body and the planetary shaft main body in the regular assembled state is referred to as a first assembly. The first assembly is assembled in a state in which the relationship of the planetary shaft main body and the sun shaft main body is in correspondence with the relationship of the planetary shaft main body and the sun shaft main body in the regular assembled state.

Method of producing mechanism for converting rotational motion to linear motion and jig for executing the method

An electrically heated catalyst device includes a catalyst support including a ceramics, on which a catalyst is supported, a pair of surface electrodes disposed on an outer surface of the catalyst support, the surface electrodes being disposed opposite to each other and extending in an axial direction of the catalyst support, and a wiring line that externally supplies electric power to the surface electrodes, in which the catalyst support is electrically heated through the surface electrodes. A wrought member made of metal is buried in the surface electrodes, the wrought member extending in the axial direction of the catalyst support. With the configuration like this, the spreading of electric currents in the catalyst-support axis direction can be maintained even when cracks occur in the catalyst-support circumference direction in the surface electrodes.

Electrically heated catalyst device and its manufacturing method

An electrode according to one aspect of the present invention is formed on a base material composed of a ceramics. The electrodes includes a matrix composed of an Ni&#x2014;Cr alloy (with a Cr content of 20 to 60 wt. %) or an MCrAlY alloy (M is at least one material selected from Fe, Co and Ni), and a disperse phase that is dispersed in the matrix and composed of an oxide mineral having a laminated structure. The ratio of area occupied by the disperse phase in a cross section of the electrode is 40 to 80%. With the structure like this, it is possible to suppress the increase in the electrical resistance even after a thermal cycle is performed.

Electrode, electrically heating type catalyst device using same, and manufacturing method of electrically heating type catalyst device

An electrically-heated catalytic converter comprises a catalyst support which produces heat when electric current is applied, a holding mat made of an electrical insulating material, the holding mat being provided so as to cover an outer circumference of the catalyst support, and a case which houses the catalyst support and holds the catalyst support via the holding mat. The catalytic converter treats gas flowing in the case by a catalyst supported on the catalyst support. The holding mat has a water-absorbing property. An insulation layer made of an electrical insulating material is provided between the case and the holding mat.

Electrically-heated catalytic converter

An electrically-heated catalyst is disclosed. The catalyst may include a carrier; more than two comb-shaped electrode portions extending in a longitudinal direction; an electrically conductive underlying layer provided between the carrier and the comb-shaped electrode portions; and more than two electrically conductive fixing layers bonding to at least one of the comb-shaped electrode portions and to the underlying layer to fix the comb-shaped electrode portions to the carrier at more than two points spaced apart.

Electrically-heated catalyst

A rotation/linear motion conversion mechanism provided with an annular shaft, a sun shaft arranged inside the annular shaft, planetary shafts arranged around the sun shaft, and a first gear mechanism and a second gear mechanism, which transmit force between the annular shaft and the planetary shafts. Each planetary shaft includes a first planetary gear, which configures part of the first gear mechanism, and a second gear, which configures part of the second gear mechanism. The planetary shaft is configured to permit relative rotation between the first planetary gear and the second planetary gear.

Mechanism for converting rotational motion into linear motion

A rotation/linear motion converting mechanism includes a shafthaving an external threadon an outer circumferential surface, a nuthaving an internal threadon an inner circumferential surface, and a rollerarranged between the outer circumferential surface of the shaftand the inner circumferential surface of the nut. The roller has a threadthreaded to the external threadand the internal thread. A spur gearand a spur gearare provided in portions of the roller. A spur gearis provided in a portion of the shaft. The spur gearis meshed with the spur gearof the roller. Internal teethare provided in a portion of the nut. The internal teethare meshed with the spur gearof the roller. This improves the lead accuracy of the shaftwhen the nutis rotated.

Rotation/linear motion converting mechanism

Growing community of inventors

Aichi-ken, Japan

Yasuo Kinoshita