Mitsubishi Heavy Industries Limited

Tokyo Institute of Technology

Other

Mitsubishi Hitachi Power Systems, Ltd.

Shin Asano

Tetsuhei Kobayashi

Kazuhisa Tamura

Sho Onodera

Yosuke Mukai

Kensuke Futahashi

Tomofumi Shintani

Yoshitomo Noda

Kotaro Tadano

Takashi Matsuzawa

Akihiko Umeda

Yasutaka Fuke

Hirone Komatsu

Koshiro Irie

Hiroshi Sato

Yoichi Sato

Shinichi Isobe

Megumu Tsuruta

Atsushi Yuge

Hisanobu Shinoda

Takumi Hori

Naoto Kawauchi

Mikito Sasaki

Hiroyuki Ishida

Tamiaki Nakazawa

Yuji Asakawa

Yukihito Okuda

Ryokichi Hombo

Shinkichi Tanigaki

Yuichi Sasano

Chanvicharo Ly

Kyota Tokuyama

Kenji Kura

Hirokazu Matsushita

Akihiko Matsumura

Masaru Higuchi

An inspection cable guide mechanism of the present disclosure includes a heat-resistant sheath having flexibility through which a cable is allowed to be inserted and cooling air is allowed to flow toward a tip through a gap between the cable and the heat-resistant sheath, a segment stacked body configured by stacking segments having heat resistance configured to cover the heat-resistant sheath in a centerline direction, and a plurality of wires disposed around the heat-resistant sheath and extending along a centerline, one segment of the segment stacked body is swingable with respect to two segments adjacent to the one segment about swing axes extending in a direction perpendicular to the centerline, the two swing axes becoming centers when the one segment swings with respect to the two segments are perpendicular to each other when viewed in the centerline direction, and one end of each wire is fixed to one of the segments in the segment stacked body.

Inspection cable guide mechanism, driving device, inspection cable insertion jig, and gas turbine inspection system including these

A control device for an inspection device including a long flexible robot that is formed by connecting a plurality of units and bendable at each unit with a desired curvature, and a posture actuator that adjusts a posture of the unit includes a target posture specifying unit that specifies a target posture including positions of representative points of the respective units traveling along a predetermined route, and an operation amount determination unit that determines an operation amount for bringing the unit to the target posture using a learning model with the target posture of the unit as an input and an operation amount of the posture actuator as an output.

Control device, inspection system, control method, and non-transitory computer-readable medium

A machining position correcting device is configured to be applied to an electrochemical machining device configured to make an electrolyte flow out of a distal end part of an electrode bar extending along an axis while rotating the electrode bar about the axis to electrochemically machine a material to be machined in a range from the distal end part of the electrode bar. The machining position correcting device includes a position detector configured to detect a rotational position of a feature point of the electrode bar.

Machining position correcting device and electrochemical machining device

A rotary electric machine includes an armature unit including an annular rotor configured to be rotatable around an axis and a stator disposed on a radially outer side of the annular rotor; an input or output shaft coupled at a first end thereof to an external device and extending along an axial direction of the annular rotor in a central space defined in a central portion of the annular rotor; and a coupling device disposed closer to a second end of the input or output shaft than an end of the annular rotor adjacent to the external device in the axial direction of the annular rotor and connecting the input or output shaft and the annular rotor so as to be able to transmit a torque.

Rotary electric machine, generator, and wind turbine power generation facility

A water-flow power generating apparatus includes a blade, a rotary part, a power generating unit, a nacelle, and a bearing unit. The blade rotates with power of a water flow. The rotary part is connected to the blade and rotates integrally with the blade. The power generating unit is connected to the rotary part and generates electricity with a rotation force of the rotary part. The nacelle covers the power generating unit, forms a boundary between an inner space in which the power generating unit is disposed and an underwater in which the blade is disposed. The bearing unit supports the rotary part. The bearing unit includes a thrust bearing disposed in the inner space and supporting the rotary part from an axial direction of the rotary part, and a journal bearing disposed between the nacelle and the blade and supporting the rotary part from a radial direction.

Water-flow power generating apparatus

This hydraulic oil tank, which is disposed inside a pod of a power generation system, stores hydraulic oil, wherein the hydraulic oil tank is provided with: a rubber bag for use during oil temperature increases, the rubber bag being attached to a tank wall surface from the inner side, having a first internal space communicated with the exterior through an opening passing through the wall surface, and partitioning the first internal space and the wall surface interior in an elastic manner; and a rubber bag for use during oil temperature decreases, the rubber bag being attached to the wall surface from the outer side, having a second internal space communicated with the wall surface interior through an opening passing through the wall surface, and partitioning the second internal space and the wall surface interior in an elastic manner.

Hydraulic oil tank for power generation system and method for sealing hydraulic oil in said hydraulic oil tank

The present invention provides a hydraulic drive train including a check valve provided in a return oil passage disposed between a branching position of a first branching oil passage and a branching position of a second branching oil passage, wherein at the time of starting of startup of the hydraulic drive train, the switching valve is closed, the opening degree of the flow rate adjusting valve is set to the initial opening degree, the on-off valve is opened, the boost pump is driven by the drive motor, and the hydraulic oil is supplied to the hydraulic pump, thereby assisting the rotational speed of the vanes by the hydraulic oil.

Hydraulic drivetrain, method of starting same, power generator and method of starting same

Provided is an underwater floating-type ocean current power generation device whereby cyclical directional vibration of a floating body of the ocean current power generation device, caused by shadow moment, can be suppressed. An underwater floating type ocean current power generation device includes ocean current power generation device main bodies, each including a rotor of a power generator housed in a nacelle, and a structure. The rotor is configured to be driven by a rotary blade protruding outward from the nacelle. A twin drum floating body capable of floating underwater is constituted by the structure and the ocean current power generation device main bodies joined to the left and right of the structure. The underwater floating type ocean current power generation device is moored to an ocean floor by a mooring rope.

Underwater floating-type ocean current power generation device

An ocean current electric power generator includes a mechanical brake that restricts a rotation of a rotor shaft of a rotatable wing, and a power transmission mechanism that is disposed between the rotor shaft and an electric power generator. The power transmission mechanism includes a switching section that switches between a power transmission state and a power disconnection state, a load application section that applies a rotation load on the rotor shaft during the power disconnection state, and a speed varying section that varies a revolution speed of the rotor shaft, and transmits the revolution to the electric power generator during the power transmission state.

Method of actuating an ocean current electric power generator and an actuation control apparatus

A water flow power generator includes a nacelle, a vane wheel that is disposed so as to be rotatable relative to the nacelle, and that is rotated by a water flow while including a plurality of blades, a power generator that is disposed inside the nacelle, and that generates electric power by using rotating power transmitted from the vane wheel, and a vane wheel rotation stopping mechanism that is disposed in the nacelle, that includes a rod which can enter the inside of a rotational trajectory of the vane wheel, and that stops the rotation of the vane wheel.

Water flow power generator

In order to easily form curved holes and straight holes of desired shapes, an electrochemical machining tool of the present invention comprises a tool body including: an electrode made from an electrically conductive material in a cylindrical shape extending along an axial line and having flexibility, an electrolytic solution flowing through an internal flow channel of the electrode toward a tip side; and an insulating layer coated on an outer circumferential face of the electrode so as to expose the tip of the electrode. A fluid outflow hole is formed in the tool body, passing through the tool body in a radial direction and guiding the electrolytic solution flowing through the flow channel outward in the radial direction, and the electrochemical machining tool further comprises a tube-shaped member selectively opening and closing the fluid outflow hole.

Electrochemical machining tool and electrochemical machining system

Provided is an electrochemical machining apparatus, which includes an electrode () that form of a shape which a tube shape is extended, including a flexible conductive material, and is which an electrolyte (W) circulates from a base end side () thereof toward a distal end side () thereof, a current supply unit () that causes electric current to flow with respect to the electrode () in an extending direction (direction running the Y direction) in which the electrode () extends, and a magnetic field generation unit () that includes at least one pair of magnets () which are disposed to face the electrodes () a direction and apply a magnetic field in a direction (X direction) intersecting the extending direction with respect to the electrodes ().

Electrochemical machining apparatus

An electrochemical machining tool () includes a tool body () which has an electrode () which is made of a flexible conductive material having a cylindrical shape extending along an axis (O), and inside which an electrolyte (W) flows toward a leading end () side, and an insulating layer () coated on an outer circumferential surface of the electrode () to expose a leading end surface of the electrode (), wherein a non-insulation section () which exposes the outer circumferential surface of the electrode () is formed on the tool body (), and the non-insulation section () is surrounded by the insulating layer () from an axial (O) direction.

Electrochemical machining tool, electrochemical machining system, and method for manufacturing perforated member

The present invention is an electrochemical machining tool equipped with a tool body that comprises: an electrode that extends along an axial line and inside which a flow channel through which an electrolytic solution flows towards the tip end is formed; an insulating layer covering the outer circumferential surface of the electrode so as to expose the tip end face of the electrode; and a flow channel-partitioning part for partitioning the flow channel into a first flow channel containing the axial line and a second flow channel positioned on the outer circumferential side of the first flow channel. The electrochemical machining tool has a configuration in which a fluid outflow section for directing electrolytic solution, which is flowing through the second flow channel, outward in the radial direction of the tool body is formed on a portion of the circumference of the tool body.

Electrochemical machining tool, electrochemical machining system, and perforated member manufacturing method

A steam turbine casing position adjusting apparatus capable of employing a compact low-resolution actuator is provided. A steam turbine casing position adjusting apparatusincludes turbine casingsand, a rotor, and actuatorsandthat move the turbine casingsandin the axial direction. The actuatorsandare disposed radially outside outer peripheries forming the turbine casingsand

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Tokyo, Japan

Shin Asano