1801 patents
Page 26 of 91
Utility
Fluid Machine
29 Dec 22
A fluid machine includes: a shaft portion; a shroud surrounding the shaft portion and including an inside surface that forms a flow path-forming surface defining a flow path with the shaft portion; a first propeller rotatably provided in the flow path; a second propeller rotatably provided on a downstream side of the first propeller in the flow path; and a motor including a rotor that is fixed to an outer circumferential portion of the second propeller and that is accommodated in the shroud, and a stator that surrounds the rotor via a clearance and that is fixed in the shroud.
Wataru YAMADA, Hideyuki KUDO, Shinichi ISOBE, Shigeki SENOO
Filed: 26 May 22
Utility
Fuel Cell System and Method for Starting Same
29 Dec 22
The purpose of the present invention is to provide fuel cell system capable of stable start-up and method for starting the fuel cell system.
Hiroyuki Ozawa, Yasushi Iwai, Kimi Kodo, Kenta Araki
Filed: 27 Jan 21
Utility
Processing Method for Ceramic-based Composite Material
29 Dec 22
In a processing method for a ceramic-based composite material in which the ceramic-based composite material is molded by layering sheets obtained by impregnating reinforced fibers with a slurry containing ceramic powder and calcining the sheets after curing, the processing method includes a step of layering the sheets in a layering direction to form a laminate, and a step of covering the laminate with a vacuum bag and evacuating the inside of the vacuum bag to mold a cured laminate.
Hiromichi AKIYAMA, Yasuhiko TSURU
Filed: 23 Jun 22
Utility
Turbine Blade
29 Dec 22
A turbine blade is provided with an airfoil portion having a leading edge, a trailing edge, and a pressure surface and a suction surface which extend between the leading edge and the trailing edge, the airfoil portion internally forming a cooling passage.
Satoshi MIZUKAMI, Masamitsu KUWABARA, Satoshi HADA, Saki MATSUO, Yoshitaka UEMURA, Ryozo TAMURA, Yasumasa KUNISADA
Filed: 23 Mar 21
Utility
Cooling Device
29 Dec 22
A cooling device that cools a semiconductor component mounted on a surface of a substrate includes a base attached to a back surface of the substrate, and a bottom plate disposed spaced apart from the base.
Hiroki MATSUDA, Tsutomu KAWAMIZU
Filed: 1 Jun 22
Utility
Power Conversion Device and Power Conversion System
29 Dec 22
Provided is a power conversion device converting power and supplying the converted power to a load, the power conversion device including: a power conversion circuit connected to the load and configured to supply/receive the power; a coil configured to detect a current passing through the power conversion circuit and to output a voltage corresponding to the detected current; an integration circuit configured to integrate the voltage output from the coil to generate a voltage signal corresponding to a variation of the current; and a control device configured to generate a control signal to the power conversion circuit based on the voltage signal output from the integration circuit.
Masato ITO, Masaya MITAKE, Yukio YAMASHITA, Shogo MIZUMOTO, Hideaki YANAGIDA, Takashi SHINOHE
Filed: 25 Aug 22
Design
Display screen with graphical user interface
27 Dec 22
Tadashi Ota, Yutaka Kano, Shingo Hase
Filed: 26 Feb 21
Utility
Sealing fin fixing apparatus and sealing fin fixing method
27 Dec 22
A sealing fin fixing apparatus can fix a sealing fin to a rotor in a shortened period of time to minimize variations of the pullout strength of the sealing fin.
Kiyoshi Segawa, Yuta Yanase, Takeshi Izumi, Shoichi Saito, Takashi Yoshida, Shin Tachibana
Filed: 16 Jun 21
Utility
Sheet stacking device, sheet stacking method, sheet stacking program, counter ejector, and box making machine
27 Dec 22
A sheet stacking device is provided with a hopper unit configured to stack a sheet, a feeding unit configured to feed out the sheet to the hopper unit, a distance detection unit configured to detect an inter-sheet distance, in the vertical direction, between a rear end portion of the sheet that is preceding and a tip end portion of the sheet that is subsequent, and an output unit configured to output a behavior stabilization command for the sheet based on the inter-sheet distance.
Hideaki Nagai, Hiroyuki Kanazawa, Koshi Tanimoto, Kenta Nakao
Filed: 26 Jan 21
Utility
Oil field pump
27 Dec 22
An oil field pump is installed within a pipe that connects to an oil field, and feeds accumulated extraction oil in a predetermined direction, the oil filed pump including a rotor with an internal flow path for the extraction oil, a stator installed on the outer circumference of the rotor, a thrust bearing that supports the axial weight of the rotor and the stator, a supply pipe that supplies a portion of the extraction oil in the flow path to the thrust bearing, and a filter that is installed at further upstream on the flow path than the supply pipe along the flow direction of the extraction oil, and traps foreign matter.
Shimpei Yokoyama, Nobuhiro Kunitake, Takumi Hori, Tanehiro Shinohara, Norihisa Takei
Filed: 18 Feb 20
Utility
Cooling method and structure of vane of gas turbine
27 Dec 22
A method of cooling a vane of a turbine is provided.
Satoshi Mizukami, David Allen Flodman, Satoshi Hada
Filed: 11 Mar 22
Utility
Control apparatus, control method, and non-transitory computer readable medium
27 Dec 22
A control apparatus 20 that is configured to control driving of a power generation apparatus including a motor and a power generator, the control apparatus including a processor 200 executing: a process of calculating a first adjustment force command value used for controlling the motor in accordance with a deviation between an observed value and a reference value of a rotation speed of the power generator; a process of calculating a correction value for compensating for a delay of an electric output of the power generator; and a process of calculating a correction value for compensating for a delay of an electric output of the power generator; and a process of calculating a second adjustment force command value used for controlling the motor by adding the first adjustment force command value and the correction value.
Takaharu Hiroe, Kazunari Ide, Ryo Sase
Filed: 31 Jul 20
Utility
Exhaust chamber of steam turbine, steam turbine, and steam turbine replacement method
27 Dec 22
An exhaust chamber of a steam turbine according to an embodiment includes an outer casing which includes an end wall part in an axial direction and an extension part extending upward in the axial direction from the end wall part, a first flow guide formed into an annular shape, the first flow guide forming an upstream region of a diffuser surface in a hub-side flow guide and being fixed to an upstream end portion of the extension part on a radially inner side of the diffuser surface, and a second flow guide formed into an annular shape, the second flow guide forming a downstream region of the diffuser surface at a position downstream of the first flow guide and on a radially outer side of the extension part, and being fixed to the extension part.
Shoki Yamashita, Takaaki Matsuo, Soichiro Tabata
Filed: 20 Sep 19
Utility
Valve opening degree determination device for cooling-air adjustment valve, disk cavity target temperature determination device, and disk cavity temperature control device
27 Dec 22
A valve opening degree determination device includes an object operating state acquisition unit configured to acquire an object operating state which is an operating state of a gas turbine before control, and a valve opening degree calculation unit configured to calculate the valve opening degree such that a disk cavity temperature after control is equal to or lower than a target temperature, based on the object operating state.
Koki Tateishi, Shinichi Yoshioka, Hironao Nagai, Ryuji Takenaka, Koshiro Fukumoto
Filed: 11 Apr 19
Utility
Combustor component, combustor, gas turbine, and manufacturing method for combustor component
27 Dec 22
A combustor component according to at least one embodiment of the present invention includes a cylindrical body which internally includes a combustion chamber, and includes a weld part where a plurality of through holes opening to the combustion chamber are formed, and a housing which is disposed on an outer circumferential side of the cylindrical body to cover a part of the weld part, and defines an acoustic damping space communicating with the combustion chamber via at least one of the through holes.
Kentaro Tokuyama, Hiroaki Kishida, Taiki Kinoshita, Hiroki Shibata, Toshinobu Ohara
Filed: 1 Nov 19
Utility
Three-dimensional Printing Support Device, and Method for Manufacturing Three-dimensional Printed Article
22 Dec 22
The objective of the present invention is to form a printed article rapidly and simply, without using a support material, in three-dimensional printing.
Makoto INOMOTO
Filed: 11 Nov 20
Utility
Turbine Blade and Method for Manufacturing the Turbine Blade
22 Dec 22
A turbine blade including an airfoil portion having a leading edge, a trailing edge, and a pressure surface and a suction surface extending between the leading edge and the trailing edge.
Satoshi MIZUKAMI, Masamitsu KUWABARA, Satoshi HADA, Saki MATSUO, Yoshitaka UEMURA, Ryozo TAMURA, Yasumasa KUNISADA
Filed: 23 Mar 21
Utility
Fuel Cell System and Method for Controlling Same
22 Dec 22
The purpose of the present invention is to provide fuel cell system capable of stably executing differential pressure control and having a simplified configuration, and method for controlling the same.
Hiroyuki OZAWA, Yasushi IWAI, Kimi KODO, Kenta ARAKI
Filed: 27 Jan 21
Utility
Drive device for electric vehicle and electric vehicle
20 Dec 22
A drive device for an electric vehicle includes: a motor configured to be in a drive wheel of the electric wheel; and a reduction gear configured to reduce rotational speed of the motor and transmit resultant rotation to the drive wheel; the reduction gear including a sun gear configured to be driven by the motor, a first planetary gear that is configured to mesh with the sun gear and has a first number of teeth, a fixed ring gear that is meshed with the first planetary gear and arranged non-rotatably, a second planetary gear that is coupled to the first planetary gear and has a second number of teeth that is smaller than the first number of teeth, a movable ring gear that is meshed with the second planetary gear and arranged rotatably, and a transmission member configured to transmit rotation of the movable ring gear to the drive wheel.
Katsuhiko Shoda, Kensuke Nishiura, Kazuma Otaka
Filed: 22 Oct 20
Utility
Shock wave suppression device and aircraft
20 Dec 22
A shock wave suppression device is configured to suppress a shock wave generated on a blade surface of a blade, the shock wave suppression device including a bump cover provided to follow the blade surface and deformable to protrude outward from the blade surface, and a displacing unit configured to displace the bump cover between a steady state to follow the blade surface and a deformed state to protrude outward from the blade surface.
Mayuko Nagashiki
Filed: 22 Jan 21