Patents Assigned to Kawasaki Jukogyo Kabushiki Kaisha
  • Publication number: 20220201832
    Abstract: A flow control method is a flow control method of controlling flow around a blade of a rotary wing, a plasma actuator being disposed at the blade. The flow control method includes: determining a characteristic frequency ratio that is a characteristic value among frequency ratios, each of the frequency ratios being a ratio between an actuator driving frequency and an angle of attack changing frequency, the actuator driving frequency being a frequency of an applied voltage applied to the plasma actuator, the angle of attack changing frequency being a frequency at which an angle of attack of the blade changes in accordance with a rotation angle of the blade; setting the actuator driving frequency such that the frequency ratio becomes the characteristic frequency ratio; and applying a voltage of the set actuator driving frequency to the plasma actuator to control the flow around the blade.
    Type: Application
    Filed: April 2, 2020
    Publication date: June 23, 2022
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, TOHOKU UNIVERSITY
    Inventors: Hidemasa YASUDA, Akio OCHI, Kenji HAYAMA, Tomoka TSUJIUCHI, Kazuyuki NAKAKITA, Taku NONOMURA, Atsushi KOMURO, Keisuke TAKASHIMA
  • Publication number: 20220193929
    Abstract: A holding device capable of reliably holding a workpiece with a simple operation. The holding device is for holding a workpiece and includes a base part; a guide member mounted on the base part and extending in a first direction; and a first holding mechanism movable in the first direction by an external force being applied thereto, the first holding mechanism being capable of holding the workpiece. Further, there is a second holding mechanism including a first member and a second member which face each other across the first holding mechanism in the first direction and each of which is movable relative to the base part by being driven by an actuator. The second holding mechanism is capable of sandwiching and holding the workpiece between the first member and the second member by changing a distance between the first member and the second member in the first direction.
    Type: Application
    Filed: April 6, 2020
    Publication date: June 23, 2022
    Applicant: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Kentaro AZUMA, Takayuki ISHIZAKI, Masataka YOSHIDA, Mitsunobu OKA, Satoshi KAMATA
  • Publication number: 20220193917
    Abstract: A wafer jig according to one or more embodiments may be used for a robot having a hand and a state detector. The hand can transport a wafer. The state detector detects a state of a member holding the wafer at the hand or a state of a negative pressure adsorbing the wafer at the hand. The wafer jig includes an information output part. The information output part outputs information to a hand side via the state detector by changing a detection result of the state detector.
    Type: Application
    Filed: December 22, 2020
    Publication date: June 23, 2022
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kawasaki Robotics (USA), INC.
    Inventors: Haruhiko TAN, Hajime NAKAHARA
  • Patent number: 11365727
    Abstract: A failure diagnosing device configured to diagnose failure of a swash plate pump includes: a history acquiring portion configured to acquire actual history data, the actual history data indicating a time-lapse change of the suction flow rate or suction pressure in a predetermined period of time; and a failure detecting portion configured to detect generation of an abnormality between a piston and a shoe based on the actual history data acquired by the history acquiring portion.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: June 21, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Tadahiko Kuroda, Takayuki Masuda, Takeshi Matsuura, Yuki Kato
  • Patent number: 11365000
    Abstract: A rotor craft changes a torsional angle of a blade by driving an actuator. The rotor craft includes a plurality of torsion applying mechanisms that each twist a proximal end portion of a corresponding blade relative to a distal end portion of the corresponding blade about a center axis A of the blade. Each blade includes a spar having a proximal end portion connected to a hub and a skin in which the spar is inserted, such that a distal end portion of the skin and a distal end portion of the spar are connected to each other, and such that other portions of the skin than the distal end portion are rotatable relative to the spar about a center axis of the spar. The hub includes a hub body mounted to a main rotor shaft, and a hub arm that connects the spar to the hub body.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: June 21, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Atsushi Hayashida, Tadashi Wakatsuki
  • Patent number: 11365800
    Abstract: A lubrication device for a helicopter including: an oil sump in which oil for lubrication is retained; a lubrication pump configured to suck the oil from the oil sump to discharge the oil; and a lubrication passage extending from the lubrication pump to a first lubrication target. The lubrication passage includes: a first supply port that supplies the oil to the first lubrication target; an oil reservoir provided upstream of the first supply port; and an opening provided upstream of the oil reservoir and above the oil reservoir. The first supply port is formed right above the first lubrication target.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: June 21, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Isao Fujii, Yuji Yamazaki, Masatoshi Matsumoto, Kenta Ogasawara
  • Publication number: 20220184814
    Abstract: A robot system according to the present disclosure includes a robot installed in a work area, a manipulator configured to be gripped by an operator and manipulate the robot, a sensor disposed at a manipulation area and configured to wirelessly detect positional information and posture information on the manipulator, and a control device which calculates a locus of the manipulator based on the positional information and the posture information on the manipulator detected by the sensor, and operates the robot on real time.
    Type: Application
    Filed: March 13, 2020
    Publication date: June 16, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Shogo HASEGAWA, Tetsuya Yoshida, Masayuki KAMON, Hirokazu SUGIYAMA, Tomofumi OKAMOTO
  • Patent number: 11359703
    Abstract: The present disclosures relates to a toroidal continuously variable transmission which includes: a rotating shaft; a pair of outside disks supported by a rotating shaft to rotate in synchronization with the rotating shaft; an inside disk supported by the rotating shaft to rotate relative to the rotating shaft; a pair of rolling bearing units, each including a radial rolling bearing capable of supporting an axial load to support the inside disk so that relative rotation with respect to the rotating shaft is possible; a plurality of power rollers arranged between the axial inside surfaces the outside disks and the axial outside surfaces of the inside disk to transmit power between them; and a preloading mechanism elastically pressing the outer ring of the radial rolling bearing in the axial direction.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: June 14, 2022
    Assignees: NSK LTD., KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takeshi Nishimura, Kippei Matsuda, Hideyuki Imai, Akihito Abe
  • Patent number: 11358286
    Abstract: A robot system includes a user interface configured to receive an operational instruction from an operator, a robot installed in a workspace and configured to perform a series of works including a plurality of processes, a sensor installed in the workspace, a transparent type display unit configured so that the operator is visible of a physical real world and configured to display information detected by the sensor as the image screen, and a control device. The control device displays on the transparent type display unit, when the robot is operated by the user interface, first information that is information detected by the sensor, as the image screen.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: June 14, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Masayuki Kamon, Hideyuki Ryu
  • Patent number: 11362566
    Abstract: A toroidal continuously variable transmission comprises an input disc and an output disc which are disposed to face each other; a power roller which is tiltably disposed between the input disc and the output disc and transmits a rotational driving force of the input disc to the output disc in a transmission ratio corresponding to a tilt motion angle of the power roller; a trunnion including a base on which the power roller is rotatably mounted, and a pair of side walls provided on both sides of the power roller in an axial direction of a tilt motion shaft of the power roller in such a manner that the pair of side walls extend upward from the base and face a peripheral surface of the power roller, and a beam mounted on the pair of side walls, the beam extending in the axial direction of the tilt motion shaft, on a side opposite to the base when viewed from a position of the power roller, wherein the beam includes a pair of contact portions, each of the contact portions being configured to contact an end surfac
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: June 14, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kenichiro Tanaka, Hideyuki Imai, Akihito Abe
  • Patent number: 11358461
    Abstract: An electricity generation system includes an internal combustion engine and at least one electricity generation motor that generates electricity upon an input shaft thereof being rotated by the internal combustion engine, wherein the internal combustion engine includes: a piston reciprocable in a cylinder; a valve actuating mechanism that actuates an intake valve and exhaust valve; a supercharger that compresses intake air to be delivered into the cylinder; and a fuel feeder, and wherein while the piston reciprocates once by starting from a top dead center and returning to the top dead center, the valve actuating mechanism actuates the intake and exhaust valves in such a manner as to provide a valve overlap period, the fuel feeder feeds fuel into the cylinder after closing of the exhaust valve, and an air-fuel mixture inside the cylinder is burned during a period in which both of the intake and exhaust valves are closed.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: June 14, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventor: Yoshimoto Matsuda
  • Publication number: 20220175478
    Abstract: A robotic surgical system according to one or more embodiments may include: an endoscope; a manipulator configured to support a surgical instrument; a remote control apparatus including a display device and an operation handle configured to operate the surgical instrument; and a control device configured to display, on the display device, a graphical user interface on an image captured by the endoscope. The graphical user interface includes: a first area that displays a first graphical display indicating a movable range of the manipulator and an operable range of the operation handle in the movable range of the manipulator; and a second area that displays a second graphical display indicating a required operation of the operation handle to return the operation handle to an inside of the operable range of the operation handle and/or to return the manipulator to an inside of the movable range of the manipulator.
    Type: Application
    Filed: November 16, 2021
    Publication date: June 9, 2022
    Applicants: MEDICAROID CORPORATION, KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hideo KAWABATA, Takaki MORIMOTO
  • Publication number: 20220175479
    Abstract: A surgical operation system includes an operation unit, a hand control unit, and a controller. In a normal operation mode, a normal operation command generator calculates a target posture of a surgical instrument based on a displacement of a handle, the displacement being detected by a detector, and generates a normal operation command to operate a wrist joint such that the surgical instrument takes the target posture. In a bendable joint operation mode, a bendable joint operation command generator generates a bendable joint operation command to change a bending angle of a bendable joint based on the displacement of the handle, the displacement being detected by the detector.
    Type: Application
    Filed: April 1, 2020
    Publication date: June 9, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventor: Hideki TANAKA
  • Publication number: 20220175477
    Abstract: A hydraulic medical instrument mounted to a distal end of a robotic arm includes: a linking structure that is linked to the distal end of the robotic arm; an insertion pipe extending from the linking structure; and a hydraulic mover provided on a distal end of the insertion pipe. The hydraulic medical instrument further includes a hydraulic driving source that includes at least one hydraulic pressure-dedicated shaft provided in the linking structure, the hydraulic driving source supplying a hydraulic liquid to the hydraulic mover and collecting the hydraulic liquid from the hydraulic mover by rotation or linear motion of the hydraulic pressure-dedicated shaft. When the linking structure is linked to the distal end of the robotic arm, the hydraulic pressure-dedicated shaft is coupled to a motor disposed in the distal end of the robotic arm.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 9, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hideki TANAKA, Toshiyuki HOMMA
  • Publication number: 20220168057
    Abstract: To easily acquire an image of a tip end portion of a surgical instrument attached to a manipulator arm even when the surgical instrument is bent, a surgical system includes manipulator arms, a manipulation unit, and a controller. The manipulator arms include: a first manipulator arm including an instrument holder holding a first surgical instrument including an instrument bendable portion; and a second manipulator arm including an instrument holder holding an endoscope assembly including an endoscope bendable portion and a camera at a tip end portion of the endoscope assembly. A method of controlling the surgical system controls the endoscope assembly such that the endoscope assembly is bent so as to follow bending of the first surgical instrument that is bent based on an operating command.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 2, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hideki TANAKA, Toshiyuki HOMMA
  • Publication number: 20220173447
    Abstract: A waste lithium-ion battery roasting apparatus includes: a transport mechanism including a cylindrical body, the cylindrical body containing an internal atmosphere that is a reducing atmosphere or a low-oxygen atmosphere; a heating mechanism that heats an outer wall of the cylindrical body to increase an internal temperature of the cylindrical body, and controls heating temperatures individually at which the heating mechanism heats the outer wall at different respective positions in a transporting direction in which the transport mechanism transports a waste lithium-ion battery; and a controller that controls the heating temperatures, at which the heating mechanism heats the outer wall, in accordance with a transporting speed at which the transport mechanism transports the waste lithium-ion battery, such that a temperature increase rate of the waste lithium-ion battery transported inside the cylindrical body is a predetermined temperature increase rate.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 2, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Fuminori ANDO, Hiroaki OSAWA, Mariko YAMASHITA
  • Patent number: 11345485
    Abstract: An aircraft fuselage assembling jig is a horizontal-type jig on which an aircraft fuselage panel is placed in a laid-down state, and includes: a base with a plurality of frame indexes for positioning both ends of a plurality of aircraft fuselage frames; a plurality of header plates, each of which protrudes from the base to extend along the panel, the header plates being arranged in parallel in an axial direction of the panel; a plurality of electric cylinders radially provided on each plate, the electric cylinders moving respective receiving members in a radial direction of the panel, the receiving members contacting a skin included in the panel; and air lifting devices provided on the respective receiving members and that, when supplied with air pressure, lift the skin from receiving surfaces of the respective receiving members and support the aircraft fuselage panel such that the aircraft fuselage panel is slidable.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: May 31, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Kenji Kasahara, Shuhei Segawa
  • Patent number: 11344380
    Abstract: A control device of a robot system including a plurality of robots having servo motors of a plurality of axes. The control device includes a plurality of controllers each having a plurality of servo amplifiers that drives the servo motors of the plurality of axes of the robots, and a control unit that controls the plurality of servo amplifiers. The control unit determines a driving number of the servo motors of the plurality of axes in accordance with the robots connected to the controllers, and sets a parameter for the servo amplifiers that drive the axes of the servo motors of a number corresponding to the determined driving number.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: May 31, 2022
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, MEDICAROID CORPORATION
    Inventors: Rikuya Uekaji, Tsuyoshi Tagashira
  • Publication number: 20220165607
    Abstract: A robot system according to one or more embodiments may include a robot, and a control part. The robot may include one or more joints driven by an electric motor, and can hold a wafer by a holding part. The control part gives commands to the robot for control. When the robot holds and transports the wafer with the holding part, the control part performs, based on information about the electric motor, at least one of the following: determining whether slippage has occurred between the holding part and the wafer; and estimating an amount of slippage of the wafer relative to the holding part.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 26, 2022
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kawasaki Robotics (USA), INC.
    Inventors: Masaya YOSHIDA, Avish Ashok BHARWANI, Simon JEYAPALAN
  • Publication number: 20220161914
    Abstract: A panel structure (10A) includes a substrate portion (11) and at least two ribs (12) standing on the substrate portion (11) and intersecting with each other. A substrate material portion (24) constituting the substrate portion (11) is formed by using at least matrix resin. Continuous fibers or slit continuous fibers are arranged at a position corresponding to the ribs (12) and a rib intersecting portion (13).
    Type: Application
    Filed: March 30, 2020
    Publication date: May 26, 2022
    Applicant: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Akio KAWAMATA, Yoichi NAKAMURA