55 patents
Utility
Apparatus for Producing Three-dimensional Multilayer Model, Method for Producing Three-dimensional Multilayer Model, and Flaw Detector
24 Jun 20
An apparatus for producing a three-dimensional multilayer object produces a three-dimensional multilayer object by partially applying energy to a conductive powder and thereby melting or sintering and curing the conductive powder.
Takeru OOHASHI
Filed: 24 May 18
Utility
Engine Control System
24 Jun 20
An engine control system includes: a delay estimating unit configured to estimate a auto-ignition delay based on first parameters including a composition of fuel gas; a auto-ignition predicting unit configured to predict a auto-ignition timing based on the auto-ignition delay; a completion predicting unit configured to predict a combustion completion timing of the fuel gas; and an operation control unit configured to control an engine based on a result of comparison between the auto-ignition timing and the combustion completion timing.
Yutaka MASUDA, Takahide AOYAGI, Takayuki HIROSE, Takayuki YAMADA, Hayato NAKAJIMA
Filed: 4 Mar 20
Utility
Fluid Machine
24 Jun 20
This fluid machine includes a motor housing, a rotating shaft which is inserted through the motor housing, an impeller which is mounted on a protruding portion of the rotating shaft, and a facing portion which faces the motor housing on a first end side in the axial direction.
Yosuke AKAMATSU, Gen KUWATA, Kentaro YAMADA
Filed: 3 Mar 20
Utility
Power Transmission System, Foreign Object Detection Device, and Coil Device
24 Jun 20
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 configured to cover an upper portion of the foreign object detection coil, wherein a top surface of the cover includes at least one inclined surface inclined relative to a coil plane of the second coil, and the inclined surface is inclined downward from a low sensitivity region where detection sensitivity of the foreign object detection coil is relatively lower to a high sensitivity region where the detection sensitivity of the foreign object detection coil is relatively higher.
Atsushi ASANO, Kentarou FURIYA, Jun ARAKI
Filed: 23 Feb 20
Utility
Piston ring
22 Jun 20
A piston ring is provided with a thermal spray coating that contains tungsten carbide and chrome carbide as a hard phase, and contains nickel as a metallic binder phase, and is characterized in that the thermal spray coating is formed by the spraying of a thermal spray powder that has been produced by means of a granulation sintering method, and that contains hard particles in which the mean particle diameter of the tungsten carbide has been adjusted by means of a BET method to fall within a range of not less than 0.15 μm and not more than 0.45 μm.
Yoshiyuki Saito, Takeshi Yamada, Yoshiyuki Umemoto, Nobuaki Kato, Hiroaki Mizuno
Filed: 9 Jun 16
Utility
Heat treatment device
22 Jun 20
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 unit which gas-purges, with an inert gas, a portion in which there is a possibility of mixing of the cooling gas supplied into the heat treatment chamber and an oxygen gas, in which the cooling gas supply unit supplies a hydrogen gas into the heat treatment chamber as the cooling gas.
Kazuhiko Katsumata
Filed: 14 Aug 17
Utility
Carbon dioxide recovery method and recovery device
15 Jun 20
A carbon dioxide recovery apparatus has: a separator that separates carbon dioxide from a gas and discharges a residual gas from which carbon dioxide has been removed; a dryer having a hygroscopic agent for drying the gas to be supplied to the separator; and a regeneration system which supplies the residual gas to the dryer as a regeneration gas for regenerating the hygroscopic agent in the dryer.
Toshiyuki Naito
Filed: 23 Apr 18
Utility
Method for manufacturing wireless power-transmitting device, and resonator
15 Jun 20
Provided is a method for manufacturing a wireless power-transmitting device including a power-transmitter having a transmission coil, and a power-receiver having a reception coil.
Yuji Maekawa, Masakazu Hara
Filed: 27 Jan 16
Utility
Coil Device
10 Jun 20
A ground-side coil device includes a ground-side coil disposed on a road surface where a vehicle parks or stops and transmitting or receiving, via a magnetic field, electric power to or from a vehicle-side coil mounted on the vehicle, a position detection sensor disposed around the ground-side coil and acquiring information relating to the position, relative to the ground-side coil, of the vehicle approaching the ground-side coil, a screen disposed at a position visible to a driver of the vehicle approaching the ground-side coil, and a control unit controlling a display mode on the screen.
Kenji NISHIMURA, Seishiro NAKAJIMA
Filed: 17 Oct 18
Utility
Condenser and cleaning device
8 Jun 20
The present disclosure provides a drying chamber (condenser) including a container having a steam intake opening, the condenser liquefying steam taken from the steam intake opening into the container, and the drying chamber including a cooling pipe which is disposed in the container and through which coolant circulates.
Kazuhiko Katsumata, Masatoshi Mitsuzuka, Osamu Sakamoto, Takahiro Nagata
Filed: 21 Nov 16
Utility
Variable displacement supercharger
8 Jun 20
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 passage; and an annular seal member that seals the gap between the turbine housing and the second nozzle ring.
Takahiro Kobayashi, Kenji Bunno, Takao Asakawa, Ryota Sakisaka, Kazuko Takeuchi
Filed: 28 Mar 16
Utility
Bearing structure and turbocharger
8 Jun 20
A bearing structure S includes: a bearing hole formed in a housing; a main body portion of a bearing provided in the bearing hole and inserted with a shaft therethrough; damper surface and provided on an outer circumferential surface of the main body portion, the damper surface facing an inner circumferential surface of the bearing hole; thrust surface provided at end portions of the main body portion in an axial direction of the shaft; and thrust back surface portions provided in the main body portion and having an outer diameter larger than those of the damper surface, the thrust back surface portions spaced apart from the damper surface by a distance farther than a distance between each of the damper surface and the inner circumferential surface of the bearing hole and positioned on back sides of the thrust surface.
Yutaka Uneura, Shinichi Kaneda, Shunsuke Nishii, Hideyuki Kojima, Tomomi Sugiura, Kenji Bunno
Filed: 17 Apr 18
Utility
Method of Designing Blade of Axial Flow Fluid Machine and Blade
3 Jun 20
To provide a method of designing a blade of an axial flow fluid machine that has a blade surface whose radius of curvature is continuous at a leading edge thereof and has a high aerodynamic performance.
Ryuichi Okada, Tomonori Enoki, Takeshi Murooka, Dai Kato
Filed: 29 Sep 19
Utility
Centrifugal Compressor
3 Jun 20
A centrifugal compressor includes a compressor and a scroll which is disposed around the impeller and in which a flow passage including a scroll flow passage is formed in a rotation direction of the impeller, in which the scroll includes a discharge portion connected to a winding end portion of the scroll flow passage —and a winding start portion connected to the discharge portion and the winding start portion on a fluid suction side in a direction along a rotation axis of the impeller is connected to the discharge portion at an obtuse angle.
Takahiro UENO, Wataru SATO
Filed: 20 Jun 17
Utility
Hydrogen-oxygen Reaction Device
3 Jun 20
This hydrogen-oxygen reaction device includes a reaction vessel including a reaction region filled with a reaction catalyst which promotes a reaction between hydrogen and oxygen, an introduction portion which introduces an hydrogen-oxygen mixed gas having hydrogen or oxygen as a main component into the reaction vessel, a water vapor pipe of which one end portion is inserted into the reaction vessel and which includes a region in contact with the reaction region with at least a part of the region in contact with the reaction region being formed of a water vapor permeable membrane, a discharge portion through which a gas in the reaction vessel is discharged to an outside, and a cooling portion which cools the water vapor pipe outside the reaction vessel.
Yusaku YACHI
Filed: 9 Jan 18
Utility
Bearing structure and turbocharger
1 Jun 20
A bearing structure includes: a housing; a bearing hole, which is formed in the housing, and receives a bearing configured to axially support a shaft having one end provided with an impeller; a clearance groove, which is formed in an inner circumferential surface of the bearing hole, and communicates with a passage formed on a lower side of the shaft; and an inclined portion formed on an inner wall surface of the clearance groove, which is positioned at least above the shaft.
Kenji Bunno, Yutaka Uneura, Shinichi Kaneda, Yuichi Daito, Hideyuki Kojima, Tomomi Sugiura, Shunsuke Nishii
Filed: 31 Jan 18
Utility
Coil device, wireless power transfer system, and auxiliary magnetic member
1 Jun 20
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 the facing direction.
Susumu Tokura, Masakazu Hara, Kentarou Furiya, Jun Araki
Filed: 1 May 17
Utility
Rotary machine
1 Jun 20
A rotary machine capable of carrying out efficient cooling without increasing costs or deteriorating performance is provided.
Norihisa Handa, Satoru Ohashi, Masahiro Tanida, Shusaku Yamasaki
Filed: 21 Apr 11
Utility
Device for Coating Cylinder
27 May 20
A device for coating a cylinder includes a coating head capable of being inserted into the cylinder, a plurality of coating guns which are provided on the coating head and are configured to discharge a coating material in a direction intersecting a longitudinal direction of the coating head, and a rotating cover which, when the coating material is discharged from one of a first coating gun and a second coating gun among the plurality of coating guns, is configured to cover the other of the first coating gun and the second coating gun, in which the plurality of coating guns are connected to coating material supply devices of different systems, respectively.
Michiko ENDA, Takafumi Fujita, Yuuichi Miura, Miki Shinagawa
Filed: 30 Jan 20
Utility
Nozzle drive mechanism, turbocharger, variable capacity turbocharger
25 May 20
Provided is a nozzle drive mechanism, including: a bearing having a bearing hole; a drive shaft which is axially supported in the bearing hole so as to be rotatable; a drive lever including: an insertion portion into which another end portion (end portion) of the drive shaft protruding from the bearing hole is inserted; and a coupling portion, which is positioned on the bearing side with respect to a center of the drive shaft in an axial direction, and projects outward in a radial direction of the drive shaft from the insertion portion; a link pin coupled to the coupling portion; and a rod member, which is connected to the link pin, is positioned on a side opposite to the bearing with respect to the coupling portion, and is provided to an actuator.
Takao Asakawa, Kenichi Segawa, Takahiro Kobayashi, Ryota Sakisaka, Kazuko Takeuchi, Kenji Bunno
Filed: 23 Jul 18