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Ihi Corporation
Ihi Corporation Tokyo Japan

Ihi Corporation patents

Recent patent applications related to Ihi Corporation. Ihi Corporation is listed as an Agent/Assignee. Note: Ihi Corporation may have other listings under different names/spellings. We're not affiliated with Ihi Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "I" | Ihi Corporation-related inventors

 new patent  Fiber reinforced composite member molding apparatus

A fiber reinforced composite member molding apparatus comprises a pair of mold parts which are brought nearer to and away from each other, and in a mold clamping state, clamp laminated sheets of prepreg formed of woven fiber fabric impregnated with resin, and heat sources for heating the resin in... Ihi Corporation

 new patent  Triple gear pump and fluid supplying device

A gear pump is comprised of a driving gear, a first driven gear and second driven gears mutually in mesh; a housing accommodating them and defining a flow path including a first suction port, a second suction port, a first pressure port and a second pressure port; a floating comprising... Ihi Corporation

 new patent  Sealing structure and turbocharger

A sealing structure includes: an insertion hole formed in a sealing plate; a sealing ring provided in the insertion hole; a first rotating body provided to the shaft, at least a part of the first rotating body positioned inside the insertion hole; a second rotating body disposed at a position... Ihi Corporation

 new patent  Wireless power supply system and power receiver

A wireless power supply system includes a power transmitter having a power-transmitting coil to which AC power of a frequency is input from a power source; and a power receiver having a power-receiving coil magnetically coupled to the power-transmitting coil at a coupling coefficient, and a first power-receiving-side series element... Ihi Corporation

Oil seal structure and turbocharger

An oil seal structure includes: a bearing unit for a shaft, being provided in a housing hole of a bearing housing; a damper positioned outside the bearing unit in a radial direction of the shaft to absorb vibration of the shaft; a seal body portion facing the damper through a... Ihi Corporation


An end surface of each first side wall, an end surface of each first middle wall, and an end surface of each first end wall are joined to an adjacent second structure by diffusion bonding, an end surface of each second side wall, an end surface of each second middle... Ihi Corporation


A reactor includes: a main reactor core including main reaction flow channels through which the raw material fluid flows, and main temperature control flow channels through which the heat medium flows along a flow direction of the raw material fluid flowing in the main reaction flow channel; and a pre-reactor... Ihi Corporation

Fiber reinforced composite member molding apparatus

In a fiber reinforced composite member molding apparatus comprising a lower mold having a cavity, an upper mold having a core which, in a mold clamping state, engages with the cavity in the lower mold and thereby clamps layered prepreg, and heat sources for heating the layered prepreg through the... Ihi Corporation

Diaphragm type actuator

Provided is a diaphragm type actuator which drives an operation rod in an axial direction, including: a diaphragm which is connected to the operation rod; a high pressure chamber which is adjacent to one end side of the diaphragm in the axial direction; a low pressure chamber which is adjacent... Ihi Corporation

Vibration reduction damper and jet engine

A vibration reduction damper is disposed inside a center vent tube having vent holes which pass therethrough in the radial direction, and has a sliding portion which comes slidably into contact with the inner wall surface of the center vent tube while avoiding the region in which the vent holes... Ihi Corporation

Friction stir welding device and friction stir welding method

A friction stir welding device includes a friction stir welding tool equipped with a fixed shoulder on an outer periphery of a probe on a proximal end side, a main shaft positioning mechanism which relatively moves the friction stir welding tool with respect to a corner portion between workpieces a... Ihi Corporation

Cooling system and wireless power transfer system

A cooling system includes a cooling unit configured to cool at least one of a power reception unit configured to wirelessly receive power from a power transmission unit and a power storage unit configured to store the power received by the power reception unit; and a controller configured to control... Ihi Corporation

Algae separating device and producing dry algae

The present disclosure is an algae separating device configured to separate algae from an algal solution in which algae are suspended. The algae separating device includes: a metal screen having a main body and a plurality of through holes passing through the main body from a front face to a... Ihi Corporation

Cooling device for electronic device

A cooling device includes a heat sink that includes a plurality of first heat radiating fins and a plurality of second heat radiating fins, and a compressor as a blower that causes cooling air to flow from an inlet toward an outlet of a cooling passage of the heat sink.... Ihi Corporation

Heat storage system

A heat storage system is provided that is capable of being manufactured at lower cost and has higher heat transmission efficiency. A heat storage system includes a heat storage material having a higher specific gravity in a solid phase than in a liquid phase, a heat storage tank for containing... Ihi Corporation

Test piece for tensile testing and tensile testing method

A test piece includes a tensile testing part and load applying pieces that are respectively connected to sides of the tensile testing part. Grooves are formed on bottom surfaces of the load applying pieces. Grooves are formed on upper surfaces of the load applying pieces. These grooves respectively partition the... Ihi Corporation

Tire tester

A tire tester includes a rotary member, a tire support mechanism, and an actuator configured to advance and retreat at least one of the rotary member and the tire support mechanism with respect to the other. The tire support mechanism includes a main frame connected with the actuator, a subframe... Ihi Corporation

Rare earth permanent magnet and production rare earth permanent magnet

A rare earth permanent magnet comprising a main phase containing: one or more elements R selected from a group consisting of Nd and Pr; one or more elements L selected from a group consisting of Co, Be, Li, Al and Si; one or more elements A selected from a group... Ihi Corporation


[Solution] A turbine stator vane formed of a CMC and comprising an outer band portion and an inner band portion extending continuously from an airfoil portion is hooked to a hanger made of a metal material with a front portion and a rear portion of the outer band portion engaged... Ihi Corporation

Variable displacement supercharger

A variable displacement supercharger includes a turbine having: a turbine housing that forms a scroll flow passage disposed around a turbine impeller; a variable nozzle unit that includes a second nozzle ring that faces the scroll flow passage and forms a part of an inner wall of the scroll flow... Ihi Corporation

Attachment structure for coil devices and coil device

A fixing structure for a coil device according to an aspect of the disclosure is an attachment structure for a coil device which attaches a flat coil device including a coil portion to an attachment portion, the attachment structure including a cylindrical holding portion provided in the attachment portion to... Ihi Corporation

Power transmission system, foreign object detection device, and coil device

A foreign object detection device for a coil device including a second coil to transmit power to a first coil wirelessly or receive power from the first coil wirelessly including: a foreign object detection coil configured to be located between the first coil and the second coil; and a cover... Ihi Corporation

Heat treating device

The present disclosure is characterized by inexpensively treating an ammonia gas contained in an exhaust gas after nitriding without performing combustion, adsorption using an adsorption agent, or the like. A vacuum carburizing device of the present disclosure includes a heating furnace which heats a workpiece, an ammonia gas supply device... Ihi Corporation

Heat treatment apparatus

This heat treatment apparatus is configured such that a treating target is conveyed via an intermediate conveyance chamber and accommodated in a heating chamber. The heat treatment apparatus is provided with a gas cooling chamber that is disposed adjacent to the intermediate conveyance chamber and in which the treating target... Ihi Corporation

Diaphragm type actuator

Provided is a diaphragm type actuator that drives an operation rod in an axial direction of the operation rod, including: a diaphragm which is connected to the operation rod; a low pressure chamber which is adjacent to one end side of the diaphragm in the axial direction; a high pressure... Ihi Corporation

Heat treatment device

A heat treatment device includes: a heat treatment chamber which accommodates an object to be treated; a cooling gas supply unit which supplies a cooling gas into the heat treatment chamber; a cooling gas circulation unit which circulates the cooling gas in the heat treatment chamber; and a gas purge... Ihi Corporation

Lipid composition and producing same

The method of producing a lipid composition comprises an extraction treatment step to extract a lipid comprised in a hydrated raw material by using an extraction solvent comprising a polar solvent and a nonpolar solvent, and a separation treatment step to separate an extract solution obtained in the extraction treatment... Ihi Corporation

Method for preventing tank corrosion at tank pressure resistance testing

An inner surface of a tank 10 is formed by joining a large number of metal plates 21, 23 and 25 to one another by welding. Before injecting pressure resistance testing water into an inside of the tank 10 in order to test pressure resistance of the tank 10, a... Ihi Corporation

Jet engine

A jet engine which includes: a fan provided with a plurality of stages of rotor blades; a compressor which compresses air which is sent from the fan; a combustor which generates combustion gas by using compressed air generated by the compressor; a turbine which generates a driving force from the... Ihi Corporation

Engine aft section structure

An aft section structure of a jet engine with an axis is comprised of a casing defining a duct around the axis and opened axially fore and aft; a cone tapering aftward at a first angle with the axis and having a pointed end; guide vanes, each of the vanes... Ihi Corporation

Combustor liner

The invention is a combustor liner (12) of a dual wall cooling structure including an inner wall section (30) configured to surround a combustion region (13) and in which a plurality of effusion cooling holes (31) are formed, and an outer wall section (20) formed to be spaced apart from... Ihi Corporation

Heat treatment system

A heat treatment system includes heating chambers configured to perform heat treatment on objects to be treated, and a conveyance device configured to load each of the objects to be treated into the heating chambers, unload the object to be treated from the heating chambers, and convey the object to... Ihi Corporation

System, method, and program for managing power transmission device

According to an embodiment, a management system manages a power transmitter capable of wirelessly transmitting power to a power receiver of a movable object. The management system includes a detection unit configured to detect a state of the power transmitter, a storage unit configured to store a relationship between the... Ihi Corporation


A turbocharger includes: a bearing provided in a turbocharger body, and configured to rotatably support a turbine shaft in an insertion hole formed in the bearing; and an opposing portion which faces an end surface of the bearing in an axial direction of the turbine shaft. An end-surface guide portion... Ihi Corporation

Abnormality diagnosing method and abnormality diagnosing system

An abnormality diagnosing method includes a model generation step of generating a simulation model of a monitoring target, an operation start step of starting an operation of the monitoring target, a measurement step of measuring an internal state quantity in the operating state of the monitoring target and extracting a... Ihi Corporation

11/09/17 / #20170320133

Method of manufacturing ni alloy casting and ni alloy casting

A method of manufacturing a Ni alloy casting, includes a casting step of casting molten Ni alloy by pouring the molten Ni alloy into a cavity of a mold, a columnar grain forming step of forming columnar grain by solidifying the molten Ni alloy while drawing the mold, in which... Ihi Corporation

10/26/17 / #20170306777

Stator-vane structure and turbofan engine

When a combination of a vane type of a stator vane and a vane type of a stator vane for one straightening plate is the same as a combination of a vane type of a stator vane and a vane type of a stator vane for the other straightening plate,... Ihi Corporation

10/26/17 / #20170307023

Spline connection structure and spline shaft

The present disclosure relates to a spline connection structure in which a shaft portion having teeth with crowned tooth surfaces formed at equal intervals on an outer circumferential surface and a cylindrical portion having grooves into which the teeth of the shaft portion are fitted formed on an inner circumferential... Ihi Corporation

10/26/17 / #20170307296

Multi-chamber heat treatment device

A multi-chamber heat treatment device according to the present disclosure in which heating chambers are disposed with an intermediate transport chamber interposed therebetween in a top view, and a treatment object is stored in a heating chamber via the intermediate transport chamber, wherein the multi-chamber heat treatment device includes a... Ihi Corporation

10/26/17 / #20170308631

Design support apparatus, design support method, and program

A design support apparatus supporting designing of a product which uses a fiber material includes a processor that creates a predicted shape model by predicting a shape of the product before a deformation processing. The processor: creates a 3-dimensional shape model of the product; creates curved shape models by separating... Ihi Corporation

10/19/17 / #20170297142

Friction stir welding method

The present disclosure arranges a pair of friction stir welding tools including probes and fixed shoulders at corner portions between a first workpiece and a second workpiece. The friction stir welding tools are arranged so that regions where the probes are embedded in the respective the corner portions and stirred... Ihi Corporation

10/19/17 / #20170297143

Friction stir welding device

In the present disclosure, friction stir welding tools having probes and stationary shoulders are disposed at corners between a first workpiece and a second workpiece. A welding device main body includes axially perpendicular movement units for moving spindle units, which hold the respective friction stir welding tools on a frame,... Ihi Corporation

10/19/17 / #20170298759

Failure detection device

The failure detection device includes an accumulated data storage unit 30, a unit space generating module 13, a signal space generating module 14 and a determining module 16, wherein the unit space generating module 13 and the signal space generating module 14 use values as they are for condition sensor... Ihi Corporation

10/19/17 / #20170298813

Variable nozzle unit and variable-capacity supercharger

A variable nozzle unit in a variable-capacity supercharger includes: a first nozzle ring disposed in a turbine housing and formed with a plurality of first support holes; a second nozzle ring disposed to face the first nozzle ring and formed with a plurality of second support holes that are through-holes... Ihi Corporation

10/19/17 / #20170298945

Compressor vane or blade for engine

When a compressor vane or blade for an engine is used in an environment containing abundant foreign substances, deposits originated from the foreign substances are likely to deposit on surfaces of the vane or blade. The compressor vane or blade according to the present disclosure has a base body of... Ihi Corporation

10/19/17 / #20170298983

Thrust bearing

The present disclosure relates to a thrust bearing which is disposed to face a thrust collar provided in a rotation shaft. The thrust bearing includes a top foil, a back foil, and a base plate. The back foil includes a plurality of back foil pieces which are arranged in a... Ihi Corporation

10/12/17 / #20170292388

Ceramic matrix composite member and manufacturing the same

A ceramic matrix composite member used as a turbine blade includes a principal part forming a blade part and a dovetail part, and a subordinate part forming a platform part. A principal fiber in a ceramic fiber fabric forming the principal part is a continuous fiber. An extension direction of... Ihi Corporation

10/05/17 / #20170284221

Shield member and jet engine using the same

A shield member is disposed over a gap between platform portions of adjacent turbine rotor blades, made from a ceramic matrix composite, and configured to shield the gap between the platform portions.... Ihi Corporation

10/05/17 / #20170284668

Method and controlling inlet temperature of dedusting apparatus in oxygen combustion boiler equipment

A combustion-support-gas bypass line is provided to cause combustion support gas to bypass a preheater. A combustion-support-gas flow control damper is provided in the combustion-support-gas bypass line. An inlet temperature of a deduster is measured by a temperature sensor and the inlet temperature measured by the temperature sensor is inputted... Ihi Corporation

09/28/17 / #20170274403

Vane coating apparatus

To prevent a height difference from being produced between a metal sheath and a paint layer formed on a vane surface of a vane body. A coating apparatus includes a jig adapted to support a guide vane equipped with a metal sheath for covering a leading edge portion; a nozzle... Ihi Corporation

09/14/17 / #20170264102

Wireless power-supplying system

A wireless power-supplying system includes a power-transmitting coil provided on the ground and a power-receiving coil provided above the power-transmitting coil and wirelessly supplies electric power from the power-transmitting coil to the power-receiving coil. The wireless power-supplying system further includes a flexible cover provided so as to cover the power-transmitting... Ihi Corporation

09/07/17 / #20170254592

Thermal treatment device

A thermal treatment device includes a heating chamber which heats an object to be treated; and a moisture removal chamber which is provided adjacent to the heating chamber to put in and out of the object to be treated toward the heating chamber, and in which a vacuum atmosphere is... Ihi Corporation

09/07/17 / #20170256993

Wireless power-supplying system

A wireless power-supplying system according to the present disclosure includes a power-transmitting device and a power-receiving device. The power-transmitting device includes a power-transmitting coil to which AC power of a certain frequency is input from a power supply and a controller which controls a frequency. The power-receiving device includes a... Ihi Corporation

08/31/17 / #20170247877

Method for constructing cylindrical tank

A method for constructing a double-shell-structured cylindrical tank having an inner tank and an outer tank includes: a step of, inside the outer tank, assembling a first structure of the inner tank excluding a lowermost level of the inner tank by alternately and repeatedly performing raising of an inner tank... Ihi Corporation

08/24/17 / #20170240581

Anti-cancer agent and cancer cell killing method

[Solution] An anticancer agent contains a complex produced by making a metal-salen complex compound, which includes a central metal and (N, N, O, O) as a quadridentate ligand and is magnetic, bind to taxane molecules which are anticancerous; and the anticancer agent is to kill cancer cells regarding which phase... Ihi Corporation

08/17/17 / #20170237291

Coil device, wireless power transfer system, and auxiliary magnetic member

Provided is a first coil device that faces a second coil device in a facing direction, and wirelessly transmits or receives power, the first coil device including a first coil portion, and a first auxiliary magnetic member provided adjacent to the first coil portion in a first direction orthogonal to... Ihi Corporation

08/03/17 / #20170217319

Information providing system, power receiving device, information providing method and information providing program

According to an embodiment, an information providing system for providing information about a wireless power transfer system including a power receiver mounted on a moving object and one or more power transmitters installed in one or more charging stations includes a search unit configured to extract location information of a... Ihi Corporation

08/03/17 / #20170217842

Method for producing ceramic matrix composite

A production method for a ceramic matrix composite is comprised of: compounding an aggregate powder including a ceramic and a binder including at least one of thermoplastic resins and waxes to form a composition of the aggregate powder and the binder; pressing the composition to form sheets; accumulating fabrics of... Ihi Corporation

08/03/17 / #20170218766

Center vent tube aligning mechanism and center vent tube support device

A center vent tube aligning mechanism which aligns a center vent tube inserted into a hollow shaft is provided with: an annular portion which is coaxially provided with the center vent tube in an outer side of the center vent tube in a radial direction thereof; a flexible portion which... Ihi Corporation

08/03/17 / #20170219422

Inspection probe

Disclosed is an inspection probe of an inspection system that includes an ultrasonic probe that is freely movable on a test object and irradiates the test object with an ultrasonic wave to detect a reflected wave, and a calculation unit that executes arithmetic processing according to a detection result according... Ihi Corporation

08/03/17 / #20170222499

Double stator-type rotary machine

This double stator-type rotary machine is provided with: an annular rotor; an outer stator that is disposed on the outer side of the rotor; and an inner stator that is disposed on the inner side of the rotor. The rotor is provided with permanent magnets that are arranged on the... Ihi Corporation

08/03/17 / #20170222507

Rotary machine and manufacturing rotary machine

The rotary machine of the present disclosure is provided with an annular stator that has: an annular yoke section; multiple salient poles that protrude radially inward and are arranged circumferentially; and coils disposed on the salient poles. Circumferential surfaces of the salient poles are formed into tapered surfaces that taper... Ihi Corporation

07/27/17 / #20170213357

Image analysis apparatus, image analysis method, and program

An image analysis apparatus, which analyzes orientations of fiber bundles of X-yarns and Y-yarns from a three-dimensional image of a woven fabric made of fiber bundles of the X-yarns, the Y-yarns, and Z-yarns, includes: a binarization unit that binarizes the three-dimensional image; an overlapping area extraction unit that extracts an... Ihi Corporation

07/20/17 / #20170204778

Uniflow-scavenged two-cycle engine

A uniflow-scavenged two-cycle engine includes: a cylinder which has a combustion chamber; a piston; a scavenging chamber that surrounds one end side of the cylinder in the stroke direction of the piston and to which compressed active gas is guided; a scavenging port that is provided in a portion of... Ihi Corporation

07/20/17 / #20170204871

Compressor vane or blade for engine

A coating consists essentially of one or more selected from the group of nitrides of one or more first metals of titanium, zirconium and hafnium beyond 0 at % but less than 100 at % and a balance of silicon, and nitrides of one or more second metals of vanadium,... Ihi Corporation

Patent Packs
07/13/17 / #20170198713

Centrifugal compressor and turbocharger

A centrifugal compressor includes a flow changing groove that is formed on an inner wall of the suction passage and extends in a rotation direction of the compressor wheel. A boundary part of a groove wall of the flow changing groove and the inner wall of the suction passage includes... Ihi Corporation

07/13/17 / #20170198718

Stator-vane structure and turbofan engine employing the same

A stator-vane structure that can suppress pressure loss caused by a gap or a level difference between liners, while forming an air channel with stator vanes made of a composite material and the liners in a turbofan engine, and the turbofan engine employing this stator-vane structure are provided. Inner liners... Ihi Corporation

07/06/17 / #20170190534

Tension control device and conveying device

The present disclosure provides a tension control device including a turn bar which is disposed between an upstream device delivering a belt-shaped web and a downstream device receiving the web and of which a pressing member presses the web and a control unit which feedforward-controls a pressing force applied from... Ihi Corporation

07/06/17 / #20170190920

Environmental barrier coating

A coating used in a vapor-oxidative atmosphere has a first layer including SIALON and a second layer covering the first layer and being exposed to the atmosphere, the second layer including mullite, wherein the first layer and the second layer get in contact with each other.... Ihi Corporation

07/06/17 / #20170191416

Jet engine

A jet engine includes a hollow shaft, a center bent tube which is inserted into the shaft, an annular support portion which protrudes from an inner wall surface of the shaft, and an annular spacer ring which is provided on an outer wall surface of the center bent tube and... Ihi Corporation

07/06/17 / #20170194817

Power transmission device, power transmission method, and wireless power transfer system

A power transmitter includes a power converter that converts power fed from a power source into first DC power, an inverter circuit that converts the first DC power into first AC power, a power transmission coil that generates a magnetic field based on the first AC power, and is magnetically... Ihi Corporation

06/22/17 / #20170173519

Desulfurization device

A liquid collection plate is arranged in an absorbing column between a spray unit and a reservoir and has a hollow frustoconical shape with a descending slope from an outer periphery thereof toward an axis thereof and having an axial bottom with an opening immersed in the absorption liquid in... Ihi Corporation

06/22/17 / #20170173519

Desulfurization device

A liquid collection plate is arranged in an absorbing column between a spray unit and a reservoir and has a hollow frustoconical shape with a descending slope from an outer periphery thereof toward an axis thereof and having an axial bottom with an opening immersed in the absorption liquid in... Ihi Corporation

06/22/17 / #20170174359

Cylindrical case and jet engine

A case body of a fan case in a jet engine is formed by use of a composite material of carbon fiber reinforced plastic. Metal rings are respectively attached to a leading edge and a trailing edge of the case body. The metal rings are electrically connected together by a... Ihi Corporation

06/22/17 / #20170175214

Heat treatment device and cooling device

A heat treatment device includes: a heating device that heats a treatment object; a cooling device including a cooling room that accommodates the treatment object heated by the heating device and into which a cooling medium used for cooling the treatment object is supplied; a pressurized gas supplier that supplies... Ihi Corporation

06/22/17 / #20170175616

Uniflow scavenging two-cycle engine

A uniflow scavenging two-cycle engine includes an scavenging port having a swirling guide portion that guides scavenging gas into a cylinder in a direction inclined with respect to a radial direction of the cylinder, and a center guide portion that is provided to be closer to a crank side of... Ihi Corporation

06/22/17 / #20170175618


A turbocharger includes a backflow passage that returns apart of gas flowing through a compressor wheel to a suction passage. The turbocharger includes an exhaust opening formed in a wall portion of an exhaust passage inside a compressor housing and that opens the exhaust passage to the outside of the... Ihi Corporation

06/22/17 / #20170175676

Axial flow device and jet engine

An axial flow device includes: at least one stage of a compressor including a rotor blade row and a stator vane row; a casing housing the compressor; and an operating range expansion unit having a suction port that opens into a region corresponding to the rotor blade row in an... Ihi Corporation

06/08/17 / #20170158066

Power reception coil device and wireless power transfer system

A power reception coil device is a power reception coil device attached to a movable body, for wirelessly receiving power from a power transmission coil device, and includes a power reception coil portion including a conductive wire, and a nonmagnetic body disposed between the movable body and the power reception... Ihi Corporation

06/08/17 / #20170159708

Bearing structure and turbocharger

A bearing structure includes: a bearing hole formed in a bearing housing, a semi-floating metal bearing accommodated in the bearing hole and having a pin hole formed therein; a through-hole formed in the bearing housing and facing the pin hole in the semi-floating metal bearing; a regulating member which is... Ihi Corporation

Patent Packs
06/08/17 / #20170161405

Topology optimization using reduced length boundaries on structure segments of different thicknesses

A method and apparatus determines an optimal design of an engineered structure formed of segments having different thicknesses. The techniques include receiving a design model for the engineered structure. The design model includes a finite element model of a spatial domain wherein the engineered structure is contained and an objective... Ihi Corporation

05/25/17 / #20170145908


A valve is provided fitted into a mounting hole of a mounting member. The valve is allowed to have play with respect to the mounting member. The valve includes a valve body having a valve surface capable of being brought into contact with and being separated from a valve seat.... Ihi Corporation

05/25/17 / #20170145909

Variable flow valve mechanism and turbocharger

A connecting pin is integrally provided at a distal end portion of an actuating rod of an actuator, a pin hole for allowing insertion of the connecting pin is penetrated and formed at a distal end portion of the link member, an annular wave spring for biasing the connecting pin... Ihi Corporation

05/25/17 / #20170145911

Variable flow valve mechanism and turbocharger

An actuating rod of an actuator is rotatably connected to a distal end portion of a link member, a connecting pin is integrally provided at a distal end portion of the actuator rod, a pin hole for allowing insertion of the connecting pin is penetrated and formed at a distal... Ihi Corporation

05/25/17 / #20170148534

Rotary device for nuclear power facility

A rotary device for a nuclear power facility, the rotary device being placed in a circuit for coolant containing radioactive nuclides in the nuclear power facility. The rotary device includes: a casing; and a rotary mechanism provided with, in the casing, a rotor and a rotor shaft that come into... Ihi Corporation

05/18/17 / #20170136548

Hollow rotating shaft finishing method and hollow rotating shaft

In the process of cutting the outer circumference 10o of a hollow rotating shaft 10 by using a finishing turning tool 36, the position of the finishing turning tool 36 is adjusted in the direction orthogonal to the virtual reference shaft center VS so that the center position CPo of... Ihi Corporation

05/11/17 / #20170130646

Variable nozzle unit and variable geometry system turbocharger

A plurality of variable nozzles is provided at equal intervals in a circumferential direction so as to surround a turbine wheel between a facing surface of a first nozzle ring and a facing surface of a second nozzle ring. The first nozzle ring is constituted by three nozzle ring segments... Ihi Corporation

05/04/17 / #20170122192

Variable-flow-rate valve mechanism and turbocharger

In a variable-flow-rate valve mechanism, a valve is fitted into an attachment hole of an attachment member. The valve allows for play with the attachment member, and includes a valve body provided with a valve surface. A valve shaft is integrally formed in the center of a head portion of... Ihi Corporation

04/27/17 / #20170113818

Debris removal device and debris removal method

A debris removal device includes: an end mass adapted to approach debris to be removed; a debris capture device separably-mounted on the end mass; and a tether connecting the debris capture device and the end mass to each other. The debris capture device includes a harpoon adapted to penetrate into... Ihi Corporation

04/20/17 / #20170107849

Airfoil for axial flow machine

An airfoil for an axial flow machine includes: an airfoil body extending in a radial direction; a platform (an end wall) provided at an end portion of the airfoil body in the radial direction, the end wall being formed into a plate shape as a wall of a channel in... Ihi Corporation

04/13/17 / #20170103850

Coil device and inductance-changing mechanism

A coil device includes a first coil portion which faces a second coil portion of another coil device and has a conductive wire, and at least one non-magnetic member disposed on an opposite side from a side facing the second coil portion. The non-magnetic member includes an eddy current interrupter... Ihi Corporation

04/06/17 / #20170097011

Compressor stator vane, axial flow compressor, and gas turbine

Within a compressor case, a plurality of stages of high-pressure compressor statorsare disposed alternately with a plurality of stages of high-pressure compressor rotorsalong an axial direction. Each stage of the high-pressure compressor statorsincludes a plurality of compressor stator vanes. Each of the compressor stator vaneshas, on a camber line, a... Ihi Corporation

04/06/17 / #20170097103

Pneumatic valve

Provided is a pneumatic valve in which a seal member; a shaft provided with a valve body capable of abutting against the seal member; and a valve-actuating pressure chamber that moves the shaft in an axial direction to actuate the valve body is provided within a valve casing. The shaft... Ihi Corporation

03/30/17 / #20170089256


A turbocharger includes: a bearing portion having an end as an inner end surface located within a housing (turbine housing) in a penetrating direction of a bearing hole; a shaft rotatably supported in the bearing hole, one end thereof located within the housing and the other end thereof located outside... Ihi Corporation

03/30/17 / #20170089262

Coating to suppress adhesion of deposits, and flow path component including coating

A lubricating oil line of a gas turbine or a turbocharger includes a flow path component which allows passage of a lubricating oil. The flow path component used in the gas turbine includes a sump chamber and a vent line. A surface of the flow path component, which is exposed... Ihi Corporation

03/30/17 / #20170089300

Afterburner and aircraft engine

The present embodiment improves the durability of an afterburner and yet suppresses a reduction in the engine efficiency of an aircraft engine. A ring-shaped cooling channel through which cooling air flows is formed between the outer peripheral surface of a liner and the inner peripheral surface of a rear duct.... Ihi Corporation

03/30/17 / #20170093225

Power-receiving device, wireless power-transmitting system, and power-transmission device

A power-receiving device is provided with a load circuit including a load and a switching element that are connected in series between a pair of output terminals of a power-receiving side power converter. The load of the load circuit has such a resistance value that the voltage of elements of... Ihi Corporation

03/23/17 / #20170081737

Cooling apparatus and multi-chamber heat treatment apparatus

A cooling apparatus includes: cooling nozzles which are disposed around an object to be treated accommodated inside a cooling room and spray a cooling medium onto the object to be treated; a header pipe communicating with the cooling nozzles; and a cooling pump which supplies the cooling medium to the... Ihi Corporation

03/23/17 / #20170081971

Turbo pump

A turbo pump includes: an impeller which pressurizes liquid, a turbine disk at which a blade cascade is provided; a shaft which connects the impeller and the turbine disk; a bearing which rotatably supports the shaft, and a housing which accommodates the impeller, the turbine disk, the shaft, and the... Ihi Corporation

03/23/17 / #20170082018

Variable nozzle unit and variable geometry turbocharger

A support ring is connected to a first nozzle ring by multiple connecting pins. An outer cutout is formed at a region on an outer side in a radial direction at a rim on an axially one side of each first attachment hole in the first nozzle ring. An inner... Ihi Corporation

03/23/17 / #20170082118

Cylindrical case

A cylindrical case main body, and a connecting ring body fitted and fixed to a first end of the case main body and having an annular groove open in the centrifugal direction, are provided. The connecting ring body has a notch open to a side opposite to a second end... Ihi Corporation

03/23/17 / #20170086335

System for cooling electric driving unit of aircraft

Heat exchangers are adjacent to electric driving units. Electric blowers of electric blower units rotate at rotational speed corresponding to amounts of heat generation of the electric driving units and suck air (ventilation air and outboard air). The sucked-in air passes through the heat exchangers that are adjacent to the... Ihi Corporation

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