Patents Assigned to Kawasaki Jukogyo Kabushiki Kaisha
  • Patent number: 11060198
    Abstract: A water electrolysis system includes: a water electrolysis tank; a cathode side gas passage through which a cathode side gas flows; a monitoring device configured to monitor at least one of a hydrogen concentration of the cathode side gas in the cathode side gas passage, an oxygen concentration of the cathode side gas in the cathode side gas passage, and an amount of electric power supplied to the water electrolysis tank; a hydrogen supply passage through which a hydrogen gas is supplied to the cathode side gas in the cathode side gas passage to increase the hydrogen concentration of the cathode side gas; and a flow regulating valve configured to regulate a flow rate of the hydrogen gas supplied through the hydrogen supply passage to the cathode side gas.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: July 13, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Tatsuya Taniguchi, Ayaka Oishi, Ikuo Nagashima
  • Patent number: 11059178
    Abstract: A position correction method includes: a step of opposing a hand to a target by moving the hand such that the hand becomes in a predetermined first initial posture; a first position detection step of detecting a position of the target from a rotation angle of a rotation axis when the target blocks a detection light by swinging the hand; a step of opposing the hand to the target by moving the hand such that the hand becomes a predetermined second initial posture different from the first initial posture; a second position detection step of detecting a position of the target from the rotation angle of the rotation axis when the target blocks the detection light by swinging the hand; and a correction amount arithmetic step of obtaining rotation angle correction amounts of the second axis and the third axis based on a difference between the position of the target acquired in the first initial posture and the position of the target acquired in the second initial posture.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: July 13, 2021
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Masaya Yoshida, Hajime Nakahara, Takao Yamaguchi, Daniel Chung
  • Publication number: 20210205989
    Abstract: A robot system includes two arms, each having a hand at an end thereof, and a controller to control operation of the arms. The hand has an openable and closable holder. The controller includes hand-number determining circuitry to determine the number of hands used to hold a holdable object based on the size of the holdable object, and hold controlling circuitry to control the holder of one of the hands to open so as to hold the holdable object by an inner surface of the holder, when the number of hands to be used is one, and control the holders of the two hands to close so as to hold the holdable object by outer surfaces of the two holders, when the number of hands to be used is two.
    Type: Application
    Filed: March 25, 2021
    Publication date: July 8, 2021
    Applicant: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Kentaro AZUMA, Takayuki ISHIZAKI, Mitsunobu OKA, Masataka YOSHIDA
  • Publication number: 20210206406
    Abstract: A RFID tag unit is attached to a wheelset of a railcar and includes a RFID tag and an attaching member on which the RFID tag is mounted and which is attached to the wheelset. At least a portion of the attaching member which portion faces the RFID tag is made of a non-metal material. The attaching member is interposed between the RFID tag and the wheelset.
    Type: Application
    Filed: April 26, 2019
    Publication date: July 8, 2021
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yoshi SATO, Takashi MIYAZAKI, Kyoko YOSHIDA
  • Publication number: 20210206000
    Abstract: A robotic arm capable of reducing the size while suppressing damage to a plurality of elongated members inserted therein, is provided. The robotic arm to which an end effector is attached, includes plurality of elongated members extending to end effector, cylindrical housing defining a periphery of internal space configured to be a passage of plurality of elongated members, and an attaching structure provided to a tip end of the internal space of the cylindrical housing so as to attach the end effector to a tip-end part of the cylindrical housing. The attaching structure includes insertion holes formed corresponding to plurality of elongated members so as to insert the plurality of elongated members therein, and fixing members configured to fix the plurality of elongated members to the insertion holes, respectively. The cylindrical housing is formed so that the inner diameter is larger at the tip-end part than at a base-end part.
    Type: Application
    Filed: May 30, 2019
    Publication date: July 8, 2021
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Nobuhiro DEMURA, Masato YONEYAMA
  • Publication number: 20210207805
    Abstract: A purging device configured to purge a container defining a periphery of a pressurized explosion-proof structure by supplying protective gas into the container is provided. A purge controlling module controls a flow rate adjusting device to supply the protective gas into the container to purge during a purging period including at least two main periods and at least one sub period. The main period and the sub period are set alternately on a time axis. A maximum supply flow rate per unit time during the sub period is at or below 10% of a maximum supply flow rate per unit time during the last main period, and at or below 10% of a maximum supply flow rate per unit time during the next main period.
    Type: Application
    Filed: May 29, 2019
    Publication date: July 8, 2021
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Nobuhiro DEMURA, Shingo OSAKO, Masato YONEYAMA, Akihiro TOKUMOTO
  • Publication number: 20210207731
    Abstract: A spool valve capable of suppressing deterioration of position controllability of a spool due to misalignment includes: a housing including a spool hole; a spool inserted into the spool hole of the housing so as to be movable in an axial direction; and an electric actuator configured to move the spool in the axial direction. The electric actuator includes: an electric motor configured to rotate an output shaft; a linear-motion converting mechanism including a linear-motion member configured to be linearly movable, the linear-motion converting mechanism being configured to convert a rotational motion of the output shaft into a linear motion of the linear-motion member; and a coupling member coupling the linear-motion member and the spool moves in accordance with the linear motion of the linear-motion member. The coupling member allows one of tilt and eccentricity of an axis of the spool relative to an axis of the linear-motion member.
    Type: Application
    Filed: May 17, 2018
    Publication date: July 8, 2021
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Shinji NARITA, Hideki TANAKA, Kazuto FUJIYAMA, Kazuya MATSUMOTO
  • Patent number: 11053856
    Abstract: A starting device for driving a compressor-side rotary shaft of a two-shaft type gas turbine engine at a time of starting the gas turbine engine includes: a starter motor serving as a drive source for the compressor-side rotary shaft; a speed increaser configured to increase a speed of rotation of the starter motor; and a clutch mechanism configured to disconnectably connect the starter motor and the compressor-side rotary shaft with each other, the clutch mechanism being provided between the compressor-side rotary shaft and the speed increaser.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: July 6, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Satoshi Nakayama, Akihisa Oka, Hiroki Seike
  • Patent number: 11052545
    Abstract: A method of attaching a tip to a pipette, which is executed in a robot system, includes: making an end effector of a robot hold a pipette; bringing a vicinity portion of a distal end of the pipette into contact with or close to an edge of an opening formed in a base of a tip while tilting an axis direction of the pipette by a predetermined angle with respect to an axis direction of the tip; attaching the tip to the pipette by inserting the distal end of the pipette and the vicinity portion of the distal end of the pipette into the tip while raising the pipette such that the axis direction of the pipette is aligned with the axis direction of the tip; and separating the pipette and the tip attached to the pipette from the predetermined spot.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: July 6, 2021
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, SYSMEX CORPORATION, MEDICAROID CORPORATION
    Inventors: Yukio Iwasaki, Satoshi Ouchi, Eiji Mitsui, Junichi Matsuoka, Takehiro Hasegawa, Yukihiko Kitano
  • Patent number: 11053960
    Abstract: A hydraulic forceps system includes: robotic forceps including: a gripper, first piston coupled to the gripper, first cylinder forming first pressure chamber, filled with a hydraulic fluid, together with the first piston, second piston, second cylinder forming a second pressure chamber, filled with hydraulic fluid, together with the second piston, communication passage through which the chambers communicate, motor that drives the second piston via a linear motion mechanism; control device that controls the motor based on a command position for the first piston; and position sensor used for detecting a position of the second piston. The control device includes: an observer that derives an estimated position of the first piston based on the position of the second detected by the sensor; and a position controller that derives a target rotational speed of the motor based on a deviation between the estimated position of the first piston and the command position.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: July 6, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hideki Tanaka, Mariko Ogata, Hiroaki Fujimoto
  • Publication number: 20210202291
    Abstract: A substrate suction-holding structure includes a conductive pad main body including an annular contact portion and a bottom wall portion closing a first vacuum chamber bottom surface surrounded by the contact portion, a conductive blade main body including an upper surface and a second vacuum chamber formed by depressing the upper surface, a conductive support column provided either on the second vacuum chamber or on the pad main body, causing the contact portion to be further on an upper side than the upper surface, and swingably supporting the pad main body with respect to the second vacuum chamber, a cover secured to the blade main body and covering the second vacuum chamber, and a suction path extending from the first vacuum chamber and passing through the bottom wall portion, the second vacuum chamber, and the blade main body in this order, the suction path connected to a vacuum source.
    Type: Application
    Filed: December 27, 2019
    Publication date: July 1, 2021
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Masaya YOSHIDA, Hajime NAKAHARA
  • Publication number: 20210203258
    Abstract: At least one of a plurality of generators is a first generator configured such that a relationship of a generator output voltage with respect to a generator active power output from the generator to a corresponding first AC wiring portion has a predetermined first drooping characteristic. The control device is configured to generate a drive signal for a power conversion device by deciding a target value of a first control element such that a relationship of an AC wiring portion voltage with respect to a power conversion device active power output from the power conversion device to a first AC wiring portion corresponding to a first generator has a predetermined second drooping characteristic and correcting the target value of the first control element according to a DC voltage at a DC wiring portion.
    Type: Application
    Filed: October 16, 2018
    Publication date: July 1, 2021
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yusuke UMEZU, Kazushige SUGIMOTO, Soichiro BANDO, Naoki YAMAGUCHI, Kenichi SAKIMOTO, Kiyoshi KIMURA, Suguru TAKAYAMA, Takato UDA
  • Publication number: 20210198090
    Abstract: A traveling robot includes: a traveling body including a truck and a drive unit, the truck including front and rear wheels and a floor frame, the drive unit being configured to rotate the wheels; a support mechanism configured to raise or lower a holding tool configured to support a mounting plate; and a picking robot configured to load a cargo onto the mounting plate or unload the cargo from the mounting plate. The drive unit is mounted on the floor frame, and the floor frame includes a projecting portion projecting forward from a portion on which the drive unit is mounted. The support mechanism is attached to a front end portion of the projecting portion. The picking robot is provided at the projecting portion, is arranged between the support mechanism and the drive unit in a front-rear direction, and is arranged on or behind an imaginary vertical line passing through a front axle.
    Type: Application
    Filed: September 6, 2019
    Publication date: July 1, 2021
    Applicants: Kawasaki Jukogyo Kabushiki Kaisha, Nakanishi Metal Works Co., Ltd.
    Inventors: Kenji BANDO, Eiji YOSHIKUWA, Masayuki WATANABE, Toshiyuki TSUJIMORI, Hideshi YAMANE, Shoichi MIYAO, Tianfen XU, Shunichi TANIGUCHI, Yoshihiro OKAZAKI, Ryoichi KITAGUCHI, Yuichi OTSUJI, Masayoshi HOSHI, Shigetomo MATSUI, Kanji MATSUSHIMA, Hiromu WAKAYAMA
  • Publication number: 20210201692
    Abstract: A robot system includes a robot body configured to perform a work, a robot controlling module configured to control operation of the robot body according to an operator command, a manipulator configured to send the operator command to the robot controlling module according to manipulation by an operator, a motivation information acquiring module configured to acquire motivation information for motivating the operator so that the operator increases an amount of work or a speed of work of the robot body, and a motivation information presenter configured to present to the operator the motivation information acquired by the motivation information acquiring module.
    Type: Application
    Filed: August 9, 2019
    Publication date: July 1, 2021
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yasuhiko HASHIMOTO, Shigetsugu TANAKA, Masayuki KAMON, Yoshihiko MARUYAMA
  • Publication number: 20210197369
    Abstract: A robot system includes a robot, state detection sensors to, a timekeeping unit, a learning control unit, a determination unit, an operation device, and an input unit, and an additional learning unit. The determination unit determines whether or not the work of the robot can be continued under the control of the learning control unit based on the state values detected by the state detection sensors to and outputs determination result. The additional learning unit performs additional learning of the determination result indicating that the work of the robot cannot be continued, the operator operation force, work state output by the operation device and the input unit, and timer signal output by the timekeeping unit.
    Type: Application
    Filed: May 24, 2019
    Publication date: July 1, 2021
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hitoshi HASUNUMA, Takuya SHITAKA, Takeshi YAMAMOTO, Kazuki KURASHIMA
  • Patent number: 11046384
    Abstract: A pseudo-emotion generating system configured to generate pseudo-emotions of a vehicle includes an emotion generating section that generates a pseudo-emotion of the vehicle based on external force information representing an external force applied to the vehicle from outside during travel of the vehicle.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: June 29, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hisanosuke Kawada, Masayuki Enomoto, Daisuke Kawai, Kazuhiro Ichikawa, Masanori Kinuhata, Hiroshi Ishii
  • Patent number: 11045954
    Abstract: A plurality of robots each has a plurality of control modes including an automatic mode, a manual mode, and a corrected automatic mode in which the robot operates based on a task program while being sequentially corrected by the operator's manipulation. A first robot performs a first work to a work target in one of the corrected automatic mode and the manual mode, location data of the work target in a robot coordinate system of the first robot is acquired. Based on the location data of the work target in the robot coordinate system of the first robot and a relative relation between the robot coordinate system of the first robot and the robot coordinate system of the second robot, location data of the work target in a robot coordinate system of a second robot is corrected.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: June 29, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kazuhiro Saito, Yasunori Oyama, Akihiro Tokumoto
  • Patent number: 11045898
    Abstract: A friction stir spot welding method according to one aspect of the present invention includes: performing a plunging process of moving a shoulder (28) toward a second workpiece (102) from a first workpiece (101) side while rotating a rotary tool to plunge the shoulder into the first and second workpieces; and performing a backfilling process of pushing stirred materials that have flowed into an inside of the shoulder in the plunging process out of the shoulder and backfilling a plunging hole with the stirred materials, the plunging hole being formed by the plunging of the shoulder. In the plunging process, the shoulder is plunged to a position that is shifted from a boundary between the first workpiece and the second workpiece to the second workpiece side by 1 mm or more, such that a component of a protective layer (104) is concentrated in a central portion of a stirred portion (105) when the backfilling process is completed.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: June 29, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Shunsuke Haruna, Shintaro Fukada
  • Patent number: 11045376
    Abstract: A robotic operating table according to one or more embodiments may include: a table on which to place a patient; a robotic arm including a plurality of joints, and including a first end supported on a base fixed to a floor, and a second end supporting the table; an operation device including: a move operation receiving unit that receives, from a user, a move operation to move the table, and a register operation receiving unit that receives, from a user, a register operation to register a position of a movement destination of the table and a movement-destination set operation; a memory; and a controller that causes the robotic arm to move the table based on the move operation received by the move operation receiving unit.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: June 29, 2021
    Assignees: MEDICAROID CORPORATION, KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yutaro Yano, Yoshiyuki Tamura, Yukihiko Kitano, Mitsuichi Hiratsuka, Hiroaki Kitatsuji
  • Publication number: 20210187727
    Abstract: A robot includes a base attached to an end of a robotic arm, a conveyor fixed to the base, and a holder to hold a workpiece and place the workpiece on a transferring surface of the conveyor. The holder includes a pivot shaft extending along the conveyor in a transferring direction of the conveyor, and reciprocatable or telescopic in the transferring direction, a pivoting structure attached to the pivot shaft so as to be reciprocatable in the transferring direction, and pivotable centering on the pivot shaft in a plane in which a width direction perpendicular to the transferring direction intersects with a height direction perpendicular to the transferring direction and the width direction, and a holding structure upstream of the pivoting part in the transferring direction to hold the workpiece.
    Type: Application
    Filed: February 22, 2021
    Publication date: June 24, 2021
    Applicant: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Kentaro AZUMA, Takayuki ISHIZAKI, Mitsunobu OKA, Masataka YOSHIDA