Ricoh Company, Ltd.

Fujitsu Corporation

Mitsubishi Heavy Industries Limited

Showa Denko Kabushiki Kaisha

Mitsubishi Hitachi Power Systems, Ltd.

Tokyo Broadcasting Systems, Inc.

Takeshi Sano

Hideaki Ohkura

Hirofumi Kobayashi

Kazuo Sasaki

Ryosuke Kamei

Tetsuya Takahashi

Yoshihiro Yoshida

Jun Kakuta

Shigeki Fukuta

Masaaki Takase

Takeshi Ohtani

Yoshihisa Ashikawa

Tomonori Maekawa

Keiichi Sanada

Hitoshi Uda

Masaki Kato

Toshio Kobayashi

Ryuichi Matsukura

Naoki Sato

Naoki Satoh

Keisuke Hayashi

Hiroshi Takemoto

Satoshi Mizukami

Toshiaki Takahashi

Kenichi Fukuda

Yoshihiro Morii

Takeshi Okubo

Koichi Ishizaka

Norikazu Okada

Toshiyuki Osada

Naoya Kondo

Yasuharu Yamamoto

Chihiro Yoshimine

Yuusuke Kohri

Jun Maeda

Masataka Kotani

Toyoaki Tanaka

Akio Yashiba

Yuki Sumi

Kunio Ikeda

Taiki Asahara

Keiichi Meguro

Yasunori Tokimasa

Jun Andoh

Tsutomu Sakatsu

Masamichi Iino

Kazuyoshi Miyagawa

Kenichi Niu

Teruaki Yamawaki

Shinji Fukao

Yuya Fukuda

Fuyuhiko Sugiura

Masaaki Sasada

Yusuke Miyamoto

Kodai Iwatsu

Junichi Suematsu

A squeeze film damper bearing has an inner support ring capable of supporting a bearing portion; an outer support ring disposed on an outer periphery of the inner support ring; and a dissipation portion formed on at least one of the outer support ring and the inner support ring to dissipate vibration energy. A damper gap formed between an outer circumferential face of the inner support ring and an inner circumferential face of the outer support ring is filled with a viscous fluid.

Squeeze film damper bearing and rotary machine including the same

A motor pump includes a shaft rotatable around an axis, a driving section including a rotor core integrally fixed to an outer circumference of the shaft and a stator surrounding an outer circumference of the rotor core, a compression section configured to compress a working fluid, a casing surrounding the shaft, the driving section, and the compression section, a partition radially partitioning an inside of the casing into a first space in which the stator is disposed and a second space in which the rotor core is disposed, a first connection path connecting the first space to a first portion of the compression section, and a second connection path connecting the second space to a second portion of the compression section in which a pressure of the working fluid is higher than that of the first portion.

Motor pump

A relaying apparatus includes: a memory; and a processor coupled to the memory and configured to: acquire, from a gateway device, a resource identifier for a network resource provided from a device in a first network to a server in a second network through the gateway device, the resource identifier indicating a location in the second network of the network resource, relate a gateway identifier corresponding to an address of the gateway device included in the resource identifier to the resource identifier, receive, from the server, a request for the network resource to the device, detect, from a correspondence relationship between the gateway identifier and the resource identifier, the resource identifier corresponding to the gateway identifier specified in the request, and relay the request to the device through the gateway device in accordance with the resource identifier that has been detected.

Relaying apparatus, relaying method, and relaying system

An impeller includes a disk, a long blade that is disposed at an interval in a circumferential direction on a disk surface on a first side in an axial direction of the disk, and that reaches an outer peripheral edge of the disk, and a short blade that is disposed between the long blades adjacent to each other on the disk surface, and that reaches the outer peripheral edge. A circumferential length of the short blade gradually increases as the short blade faces outward in the radial direction, and a circumferential length of the long blade in the outer peripheral edge is smaller than the circumferential length of the short blade in the outer peripheral edge.

Impeller and rotating machine

A centrifuge turbo machinery includes an impeller which rotates about an axis to pressure-feed fluid flowing along the axis to an outer side in a radial direction, and a casing which accommodates the impeller and has a facing surface facing the impeller in an axial direction. A convex portion relatively close to the impeller and extending in the radial direction and a concave portion relatively spaced apart from the impeller and extending in the radial direction are alternately and continuously formed on the facing surface in a circumferential direction.

Centrifugal turbo machinery

A control device includes a processor. The processor is configured to obtain measurement data from a plurality of devices and predict prediction data of a specified timing using the obtained measurement data. The processor is configured to calculate, for each device, an error between the measurement data and the prediction data. The processor is configured to, based on the error for each device, assign a notification timing for each of such devices for which there is overlapping of timing of notifying the measurement data of the specified timing.

Control device, control method, and computer-readable recording medium

A data acquisition unit repeatedly acquires pieces of notification information for executing predetermined processing from respective BLE devices. A connection controller detects a BLE device, calculates digitalized values of influences of the respective pieces of notification information acquired from the respective BLE devices on the predetermined processing on the basis of the pieces of notification information already acquired by the data acquisition unit, selects a BLE device on the basis of the calculated digitalized values of the influences, and causes the data acquisition unit to stop acquisition of the notification information from the selected BLE device and establishes connection with the BLE device.

Communication control device, communication control system, and communication control method

A journal bearing includes: a rotation shaft which is rotatable about an axis; a bearing lower half portion which slidably supports an outer circumferential surface of the rotation shaft; a bearing upper half portion which supports an upper side half portion of the outer circumferential surface of the rotation shaft; and a lubricating oil supply device which supplies lubricating oil between the bearing lower half portion and the bearing upper half portion, and the rotation shaft, wherein the bearing upper half portion includes a bearing body which faces the outer circumferential surface of the upper half portion of the rotation shaft, a land portion which protrudes inward in a radial direction from an inner circumferential surface of the bearing body, and a guide portion which guides lubricating oil to the sliding surface of the land portion.

Journal bearing and rotary machine

A liquid discharge apparatus includes a liquid discharge head, a temperature detector, and a bias voltage applying unit. The liquid discharge head includes a piezoelectric element to generate pressure to discharge liquid through a nozzle. The temperature detector detects a temperature correlating to a temperature of the piezoelectric element. The bias voltage applying unit applies a bias voltage to a first electrode of the piezoelectric element opposite a second electrode to which a drive signal is applied. The bias voltage applying unit changes the bias voltage according to a detection result of the temperature detector.

Liquid discharge apparatus and piezoelectric-actuator driving device

A bearing pad and bearing are provided which can inhibit the bearing pad from being deformed without increasing the costs. In a bearing pad (), a conduit that extends from a first opening () formed in a high temperature zone (H) on a sliding surface () opposing to a supported surface () towards the direction apart from the supported surface () and that finally reaches a second opening () is formed.

Bearing and bearing pad

A centrifugal fluid machine includes an impeller () that has a front shroud () arranged on one side in an axial direction, a rear shroud () arranged on the other side in the axial direction, and a plurality of blades () provided side by side in a circumferential direction between the front shroud and the rear shroud and is rotatably supported within a casing (); a suction passage (A) that allows a fluid to be sucked therethrough in the axial direction toward the impeller with the rotation of the impeller; a discharge passage (B) that allows a fluid delivered under pressure by the impeller with the rotation of the impeller to be discharged in a direction intersecting the axial direction of the impeller; and a first flow path (A) that communicates with the discharge passage, leads to the suction passage through a gap between the casing and the rear shroud, and an opening (Aa) that opens toward the downstream side of the suction passage in a suction direction of a fluid. The opening area of the opening is set so that the ejection speed (Vs) of a fluid ejected from the opening to the suction passage is matched with the suction speed (V) of a fluid sucked into the suction passage.

Centrifugal fluid machine

An electromechanical transducer element includes a substrate; a first electrode formed on the substrate as a common electrode; an electromechanical transducer membrane formed on the first electrode; a second electrode formed on the electromechanical transducer membrane as an individual electrode; a first insulation protection membrane formed on the first and the second electrode; a third electrode electrically connected to the first electrode; a fourth electrode electrically connected to the second electrode; a second insulation protection membrane including a common electrode pad formed on the third electrode and plural individual electrode pads formed on the fourth electrode; and a fifth electrode formed so as to surround a vicinity of at least one of the individual electrode pads disposed at end parts. Further, the fifth electrode is formed on the first insulation protection membrane and is electrically connected to the first electrode.

Electromechanical transducer element, method of manufacturing the same, liquid droplet discharge head, and liquid droplet discharge device

A liquid discharge head includes a piezoelectric actuator. The piezoelectric actuator includes a piezoelectric member on which plural piezoelectric poles are formed, and the plural piezoelectric poles are formed to be inclined in a direction in which the plural piezoelectric poles are arranged.

Liquid discharge head, method of manufacturing liquid discharge head, and image forming device

A relay failure detecting device includes: an opening-closing unit that is driven by a coil for opening and closing a current pathway; a detecting unit that detects a current value of a current flowing in the coil; an opening-closing instructing unit that outputs an instruction signal to instruct opening and closing of the opening-closing unit; and a failure detecting unit that detects a failure in the opening-closing unit by using the current value output by the detecting unit within a predetermined period of time starting from when the instruction signal is output.

Relay failure detecting device, power-supply device, image forming apparatus, relay failure detecting method, and computer program product

A disclosed liquid discharge head includes plural nozzles configured to discharge droplets; plural chambers in communication with the respective nozzles; a vibration plate member having a deformable vibration area configured to form a part of a wall surface of the chambers, a first projection in the deformable vibration area, and a second projection in a part corresponding to a partition wall between the chambers; and a piezoelectric member having a drive pillar bonded to the first projection and a non-drive pillar bonded to the second projection. A width of a base of the first projection is greater than a width of a base of the second projection, and a width of the drive pillar is less than a width of the non-drive pillar.

Liquid discharge head and image forming apparatus

Growing community of inventors

Kanagawa, Japan

Takeshi Sano