Patents Assigned to Kawasaki Jukogyo Kabushiki Kaisha
  • Publication number: 20220134471
    Abstract: A friction stir welding apparatus is used at a butted portion where a second workpiece is butted against a first workpiece such that the second workpiece is upright on the first workpiece. The friction stir welding apparatus includes: a rotary tool that is plunged into one inner corner of a pair of inner corners that are positioned, at the butted portion, on both sides of the second workpiece, respectively; an inner corner presser that presses the other inner corner of the pair of inner corners; and a mover that moves the rotary tool and the inner corner presser along a direction in which the butted portion extends. The inner corner presser includes a pressing roller that presses the other inner corner while rolling in a state where the inner corner presser is being moved by the mover.
    Type: Application
    Filed: February 21, 2020
    Publication date: May 5, 2022
    Applicant: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Hideki OKADA, Yusuke YOSHIDA, Kenichi KAMIMUKI
  • Publication number: 20220140412
    Abstract: A system for and a method of processing a waste lithium-ion battery make it possible to improve heat treatment efficiency and to heat-treat a large-sized waste lithium-ion battery without disassembling the battery. One example of the system for processing a waste lithium-ion battery includes a heater that heat-treats a waste lithium-ion battery at a heating temperature of lower than 400° C. to decompose and remove an electrolyte solution from the waste lithium-ion battery.
    Type: Application
    Filed: February 28, 2020
    Publication date: May 5, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Fuminori ANDO, Hiroaki OSAWA, Chie NAKAJIMA, Mariko YAMASHITA, Masahiro SUGATA, Koji FUKUMOTO, Masaki TSUZAWA, Ryosuke NAGAI
  • Publication number: 20220134275
    Abstract: An air purifying system includes: a carbon dioxide remover including first and second spaces partitioned by a gas permeable membrane with 50 nm or less diameter micropores; a feed passage leading to-be-purified air from a room to the first space; a supply passage supplying clean gas having lower carbon dioxide and higher oxygen concentrations than the to-be-purified air to the second space; a discharge passage discharging, from the second space, mixed gas; a return passage leading purified air from the first space into the room, the purified air resulting from removing carbon dioxide from the to-be-purified air; and adjusting equipment adjusting a gas pressure in the first and second spaces to be substantially equal to each other. The to-be-purified air flows in the first space along a surface of the gas permeable membrane, and the clean gas flows in the second space along a surface of the gas permeable membrane.
    Type: Application
    Filed: January 24, 2020
    Publication date: May 5, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Katsuya UMEMOTO, Kazuhiro OKUMURA, Kouji FUKUMOTO, Tomoaki UMEMURA, Hideto MATSUYAMA, Eiji KAMIO
  • Patent number: 11319015
    Abstract: A traveling vehicle includes a vehicle body, a left swing part, a right swing part, and an interlocking link mechanism. The left swing part and the right swing part are supported on the vehicle body so as to be swingable in the up-down direction, respectively. A left support part supporting a left front wheel is provided on a front part of the left swing part so as to be rotatable about a left steering shaft. A right support part supporting a right front wheel is provided at a front part of the right swing part so as to be rotatable about a right steering shaft. The interlocking link mechanism rotates one of the left support part and the right support part in conjunction with the other. The interlocking link mechanism is provided between the left support part and the right support part.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: May 3, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Taro Iwamoto, Hiroshi Ishii, Takeshi Nakajima, Kazuya Nagasaka, Taichi Inaba
  • Patent number: 11323008
    Abstract: A magnetic bearing controller for controlling a magnetic levitation motor, the magnetic levitation motor including: a rotor; a pair of electromagnets that causes the rotor to levitate by electromagnetic force; an auxiliary bearing that supports a rotating shaft of the rotor when the rotor is stopped; and a rotor position detector that detects the rotor's position in a levitation direction. The magnetic bearing controller includes an operation current generator that generates an operation current value corresponding to a deviation between a position command value and the rotor's position detected by the rotor position detector. The operation current generator is configured to give a predetermined initial value greater than 0 to the operation current value at a start of levitation for causing the rotor in a state where the rotating shaft of the rotor is supported by the auxiliary bearing to levitate and be positioned at a predetermined target position.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: May 3, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Soichiro Takemura, Kazuma Tokuyama, Tsuyoshi Koga, Yuki Seki, Suguru Takata
  • Patent number: 11319034
    Abstract: A personal watercraft includes: a watercraft body including a hull and a deck covering an upper portion of the hull; a light emitter supported by the watercraft body; and a protection cover covering the light emitter and permeable to light emitted by the light emitter, wherein the watercraft body includes a flow-regulating structure, and the flow-regulating structure includes: a fluid inlet through which an external fluid enters the watercraft body; and an upper flow-regulating wall and a lower flow-regulating wall that are opposed to each other in an up-down direction, the upper and lower flow-regulating walls being located between the fluid inlet and the protection cover to regulate flow of the fluid entering the watercraft body through the fluid inlet and moving toward the protection cover.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: May 3, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Toshio Araki, Hiroaki Maeda, Yoshinobu Uozumi
  • Patent number: 11319013
    Abstract: A straddle vehicle includes: a driving electric motor configured to generate drive power to be transmitted to a drive wheel; a seat on which a rider sits; a battery pack disposed under the seat and storing electric power to be supplied to the driving electric motor; and a vehicle body frame including a receiving base supporting the battery pack. The receiving base has five surfaces supporting front, rear, left, right, and bottom surfaces of the battery pack, respectively.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: May 3, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventor: Shusei Ueno
  • Patent number: 11318830
    Abstract: A utility vehicle includes: a vehicle body frame including a cabin frame portion; a loading bed tiltable between a normal position and a dumping position; and an intake unit including an intake port. The intake unit is disposed above a rear wheel and extends over a height range overlapping a height range over which the loading bed in the normal position extends, and a location of the intake unit in a vehicle width direction substantially coincides with a location of a side wall portion of the loading bed in the vehicle width direction. The intake unit is located rearward of the cabin frame portion and exposed to the outside in the vehicle width direction. The intake unit is fixed to the vehicle body frame at a distance from a trajectory along which the loading bed is tilted.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: May 3, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Tetsuya Iwata, Shinichi Tanaka, Yoko Yasui
  • Publication number: 20220126458
    Abstract: A robot device includes a first link configured to rotate on a first axis, a second link supported by a tip-end part of the first link so as to be rotatable on a second axis, and a hand part supported by a tip-end part of the second link. When one direction perpendicular to the first axis is a first perpendicular direction, and a direction perpendicular to both the first axis and the first perpendicular direction is a second perpendicular direction, the second axis extends in parallel to the first perpendicular direction and is deviated from the first axis in the second perpendicular direction.
    Type: Application
    Filed: April 3, 2020
    Publication date: April 28, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Shigeki ONO, Ryo TANIUCHI, Shunsuke WAKIMITSU
  • Publication number: 20220131494
    Abstract: A control device configured to control operation of an electric motor of which a rotational shaft is rotatable by an external force which servo-controls the electric motor by an inverter circuit when a voltage value between power-supply input terminals of the inverter circuit is detected to be at or above a given voltage value required for the servo-control of the electric motor, and applies dynamic braking to the electric motor by forming a short circuit in the inverter circuit when the voltage value between the power-supply input terminals of the inverter circuit is detected to be below the given voltage value.
    Type: Application
    Filed: March 10, 2020
    Publication date: April 28, 2022
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Haruhiko TAN, Masahiko SUMITOMO, Shota TOMINAGA
  • Publication number: 20220125536
    Abstract: A robotic surgical system includes a controller configured or programmed to calculate an operation speed signal, to calculate a first filtered signal, to calculate a limited signal, to calculate a second filtered signal, and calculate an output position signal based on the second filtered signal.
    Type: Application
    Filed: October 18, 2021
    Publication date: April 28, 2022
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, MEDICAROID CORPORATION
    Inventors: Masataka TANABE, Tomohiro HAYASHIDA, Yuto SHINTANI
  • Patent number: 11313462
    Abstract: A utility vehicle comprises a traveling driving power source which generates rotational driving power for driving a drive wheel; a continuously variable transmission including an input shaft to which the rotational driving power transmitted from the traveling driving power source is input, an output shaft which outputs the rotational driving power toward the drive wheel, a drive pulley provided at the input shaft, a driven pulley provided at the output shaft, and a belt wrapped around the drive pulley and the driven pulley; a clutch which is disposed in a driving power transmission path at a location that is between the belt and the drive wheel and is capable of disconnecting the driving power transmission path; and a clutch actuator which operates the clutch.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: April 26, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventor: Yoshimoto Matsuda
  • Patent number: 11315823
    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: Grant
    Filed: December 27, 2019
    Date of Patent: April 26, 2022
    Assignees: KAWASAKI JUKOGYO KABUSHIKI KAISHA, KAWASAKI ROBOTICS (USA), INC.
    Inventors: Masaya Yoshida, Hajime Nakahara
  • Patent number: 11311902
    Abstract: A viscous material wiping device wipes the viscous material attached to the tip of a spatula with a sheet. A sheet support jig has a groove recessed in the sheet facing surface, the groove includes a receiving portion and a wiping portion that are continuous in the groove extending direction, and the wiping portion has a groove width smaller than that of the receiving portion and substantially equal to the outer dimension of the tip of the spatula. A controller drives the moving mechanism to position the spatula on the opposite side of the sheet supporting jig with respect to the sheet in a posture that the spatula extends parallel to the groove extending direction and overlaps the groove when viewed in a normal direction of the sheet facing surface, and move the spatula in the normal direction so that the tip of the spatula is received in the receiving portion by pressing the sheet against the groove with the spatula.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: April 26, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Naohiro Otsuki, Satoshi Suzuki
  • Patent number: 11313390
    Abstract: A hydraulic drive system includes: a first hydraulic pump of the variable capacitance type; a first regulator including a first proportional valve; a second hydraulic pump that dispenses operating oil; a switch valve; a control device; and a malfunction detection device. The switch valve can switch to a third valve position in which the switch valve allows the operating oil dispensed from both the first hydraulic pump and the second hydraulic pump to be supplied to first and second traveling hydraulic motors and first and second hydraulic actuators. The control device controls the operation of the first proportional valve by outputting a first flow rate command signal to the first proportional valve, and when the malfunction detection device detects a malfunction of an electrical system related to the first proportional valve, the control device switches the switch valve to the third valve position.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: April 26, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Akihiro Kondo, Naoki Hata, Nobuyuki Kinoshita
  • Publication number: 20220118495
    Abstract: There is provided a press brake that can improve forming accuracy in partial bending. A press brake includes: a conveying mechanism that intermittently conveys a workpiece; a die including a pair of shoulder portions and a groove portion located between the pair of shoulder portions, the pair of shoulder portions being arranged away from each other in a conveying direction of the workpiece and supporting a rear surface of the workpiece; a backup plate that extends on the pair of shoulder portions, covers the groove portion, and is interposed between the die and the workpiece; and a punch that moves relative to the die so as to approach the die each time the conveying mechanism stops conveying the workpiece and presses the workpiece so as to bend the workpiece within an elastic deformation region of the backup plate.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Applicants: Kawasaki Jukogyo Kabushiki Kaisha, LVD Company nv
    Inventors: Hideki OKADA, Hiroki ORIBE, Hitoshi YANO, Kristof TYVAERT, Alexander CORNELUS
  • Publication number: 20220118496
    Abstract: There is provided a press brake that improves bending accuracy of a partial bending method. The press brake includes: a conveying mechanism that intermittently conveys a workpiece; a die; a punch; a crowning mechanism; a bending amount measuring device; and a control device. The control device presses an end portion of the workpiece in a conveying direction by the punch and conveys the workpiece by the conveying mechanism until the pressed portion enters into a measurement range of the bending amount measuring device. The control device drives the crowning mechanism so as to correct a crowning amount in accordance with a difference between a middle bending amount and an end bending amount measured by the bending amount measuring device.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Applicants: Kawasaki Jukogyo Kabushiki Kaisha, LVD Company nv
    Inventors: Hideki OKADA, Wataru HIRABAYASHI, Kristof TYVAERT, Alexander CORNELUS
  • Publication number: 20220118502
    Abstract: There is provided a press brake (1) that, if subjecting a workpiece (90) having non-uniform thickness to bending, can efficiently give uniform curvature to the workpiece (90). The press brake (1) includes: a die (2) supporting the workpiece (90); a punch supporting member (4) arranged so as to be opposed to the die (2); a moving mechanism (5) that moves the punch supporting member (4) relative to the die (2); a punch (3) that is supported by the punch supporting member (4), is opposed to the die (2) or the workpiece (90) in a relative movement direction of the punch supporting member (4), and includes punch elements (3a) lined up in a direction orthogonal to the relative movement direction; and punch element adjusting mechanisms that are disposed so as to correspond to the respective punch elements (3a) and adjusts positions of the punch elements (3a) relative to the punch supporting member (4) in the relative movement direction.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Applicants: Kawasaki Jukogyo Kabushiki Kaisha, LVD Company nv
    Inventors: Hideki OKADA, Yoshihiro UETAKE, Takumi WADA, Kristof TYVAERT, Alexander CORNELUS
  • Patent number: 11305425
    Abstract: An angular transmission error identification system that identifies an angular transmission error of a speed reducer of a robot arm including a joint that is rotationally driven by a motor via the speed reducer, including an identification unit that calculates amplitude and phase parameters of an angular transmission error identification function, which is a periodic function that models an angular transmission error of the speed reducer and has the parameters, and identifies the error using the function, wherein the unit calculates an amplitude parameter corresponding to a gravitational torque current value which is a value acting on a joint when the error is identified using a first or second amplitude function according to a value of the gravitational torque current value, and calculates a phase parameter corresponding to the gravitational torque current value using a first or second phase function according to a value of the gravitational torque current value.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: April 19, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventor: Junichi Okuno
  • Patent number: 11307177
    Abstract: An ultrasonic flaw detector for a composite material constituted by a plurality of materials which are different in physical properties from one another includes: a section specifier configured to specify first and second sections of an RF signal of a reflected wave of an ultrasonic wave with which the composite material is irradiated, a material reflected wave being possibly generated in the first section, an interface reflected wave being possibly generated in the second section; a material flaw determiner configured to determine whether or not a value of the RF signal exceeds a positive first threshold in the first section; and an interface flaw determiner configured to determine whether or not the value of the RF signal falls below a negative second threshold in the second section.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: April 19, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro Nishimura, Mitsuhiro Kamioka, Mamoru Nishio, Daisuke Watanabe, Yousuke Tsumura