525 patents
Utility
Working machine
16 Jan 24
A working machine includes a controller to perform automatic deceleration to automatically reduce a first rotation speed of a left traveling motor to output a power to a left traveling device on a left portion of a machine body and a second rotation speed of a right traveling motor to output a power to a right traveling device on a right portion of the machine body by shifting a speed stage of each of the left and right traveling motors from a second speed to a first speed that is lower than the second speed.
Yuji Fukuda, Kohei Nagao
Filed: 29 Jul 21
Utility
Engine-equipped vehicle
16 Jan 24
An engine-equipped vehicle capable of preventing gear noise and gear wear when the engine is started is provided.
Michisuke Iga, Masaharu Ono
Filed: 3 Dec 21
Utility
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16 Jan 24
A spark ignition type engine adjusts a base lower limit value of a valve opening degree of an ISC valve to avoid excessive engine rotation that may occur when an increase correction by atmospheric pressure is performed.
Michisuke Iga
Filed: 9 Nov 22
Utility
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16 Jan 24
A working machine includes a first traveling fluid passage connected to a first pressure-receiving portion, a second traveling fluid passage connected to a second pressure-receiving portion, a third traveling fluid passage connected to a third pressure-receiving portion, a fourth traveling fluid passage fluidly connected to a fourth pressure-receiving portion, and a connection fluid passage connecting at least two of the first, second, third and fourth pressure-receiving portions to each other.
Yuji Fukuda, Jun Tomita, Yuya Konishi, Fumitaka Fujisawa, Daiki Abe, Kohei Kurachi, Yudai Koga, Yuya Tanabe
Filed: 9 Aug 21
Utility
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16 Jan 24
An agricultural machine includes a vehicle body including a front wheel and a rear wheel, a hood at a front portion of the vehicle body, a protector provided to the vehicle body to protect an operator seat, and an obstacle detector to detect an obstacle, the obstacle detector being located in front of the protector outwardly in a width direction of the hood.
Takuya Nishikubo, Hiroshi Miyake
Filed: 5 Jan 21
Utility
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16 Jan 24
A monitoring system for a working machine includes a boarding detector to detect boarding and alighting of an operator, the boarding detector being provided in the working machine, a position detector to detect a position based on a signal sent from a positioning satellite when the boarding detector detects the alighting of the operator, a transmitter to transmit, to a management machine, positional information representing the position detected by the position detector, and a controller to move the management machine based on the positional information when the boarding detector detects the alighting, the controller being provided in the management machine.
Shuya Kaechi
Filed: 5 Oct 20
Utility
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16 Jan 24
A work vehicle includes a driving wheel provided in a machine body, a motor for inputting a rotational force to the driving wheel, a traveling control device for acquiring an output instruction for the motor according to an operation of a maneuvering lever, a traveling control unit for controlling driving of the motor in accordance with the output instruction, a battery for reserving energy source for driving the motor, a remaining amount detection section for detecting a remaining amount of the energy source in the battery, and a restriction section for restricting a maximum speed of the machine body to a preset speed irrespectively of the output instruction if the remaining amount of the energy source is equal to or smaller than a preset first threshold value.
Yasuhiro Manji
Filed: 5 Dec 19
Utility
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9 Jan 24
A working vehicle includes a steering handle, a vehicle body to travel by manual steering via the steering handle or automatic steering for the steering handle based on a scheduled traveling line, a setting switch to switch between valid and invalid, a setting mode to set at least the automatic steering before the automatic steering is started, and a display including a driving display portion to display driving information of the vehicle body during traveling.
Misako Kawai, Kumiko Kobayashi, Yasuaki Morioka, Kunihiko Nishino, Shunsuke Miyashita, Shunsuke Edo, Manabu Togo
Filed: 30 Jun 20
Utility
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9 Jan 24
A floor mat arranged in a working machine includes a floor portion, a wall portion arranged on a circumferential portion of the floor portion, and an opening portion arranged on a part of a connecting portion of the wall portion, the connecting portion connecting to the floor portion.
Masahiro Aihara, Hironobu Konishi, Shohei Tanaka, Yuta Yamada, Yoshiki Takizawa, Tokio Sakata
Filed: 13 Dec 21
Utility
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9 Jan 24
A control method for a fan of a work vehicle includes supplying, when an engine is started, a first current to a solenoid of a variable relief valve such that the hydraulic fluid flows by a first flow rate, supplying, when a rotational speed of the engine becomes larger than a first rotational speed threshold value, a second current larger than the first current to the solenoid such that the hydraulic fluid flows by a second flow rate smaller than the first flow rate to reduce the rotational speed of the fan, and supplying, when the rotational speed of the engine becomes larger than a second rotational speed threshold value that is larger than the first rotational speed threshold value, a current to the solenoid to change the rotational speed of the fan, the current corresponding to a temperature of liquid flowing in the work vehicle.
Yuji Fukuda, Hiroaki Nakagawa, Ryota Hamamoto, Yasuhiro Nishida, Daiki Abe
Filed: 16 Sep 22
Utility
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2 Jan 24
A utility vehicle includes an open driver section including a driver's seat for a driver to sit on; a hermetically sealable space disposed in the driver section and having a door; and a terminal in the hermetically sealable space.
Yuki Nakaoka
Filed: 26 May 22
Utility
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2 Jan 24
A working vehicle includes: a clutch displaceable to a connected state in which power is transmitted to a drive, a disconnected state in which the transmission is disconnected, and a half-clutch state in which power is slidably and partly transmitted to the drive; a detector that detects an operation position of a clutch pedal and outputs a detected value corresponding to the operation position detected; a control device that brings the clutch into the half-clutch state if the detected value corresponds with a threshold, and brings the clutch into the disconnected state if the detected value is less than the threshold and into the connected state if the detected value is greater than the threshold, and vice versa; and a change unit that changes the threshold to a different value in accordance with an operation on the operation member.
Kohei Horai, Yoshihiko Kuroshita
Filed: 20 May 22
Utility
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2 Jan 24
A substrate steel of the comprising from 0.01 to 0.60 wt. % of La, from 0.0 to 0.65 wt. % of Ce; from 0.06 to 1.8 wt. % of Nb up to 2.5 wt. % of one or more trace elements and carbon and silicon may be treated in an oxidizing atmosphere to product a coke resistant surface coating of MnCr2O4 having a thickness up to 5 microns.
Vasily Simanzhenkov, Hany Farag, Leslie Benum, Billy Santos, Kathleen Donnelly, Nobuyuki Sakamoto, Kunihide Hashimoto, Michael Gyorffy
Filed: 26 Mar 21
Utility
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19 Dec 23
A working machine includes a controller configured to determine a first deceleration threshold corresponding to each of a first traveling pressure, a second traveling pressure, a third traveling pressure, and a fourth traveling pressure, to perform automatic deceleration to reduce rotation speeds of a left traveling motor and a right traveling motor, and to judge whether to perform the automatic deceleration based on the determined first deceleration threshold, the first traveling pressure, the second traveling pressure, the third traveling pressure, and the fourth traveling pressure.
Yuji Fukuda, Kohei Nagao, Ryota Hamamoto, Hiroaki Nakagawa, Jun Tomita
Filed: 29 Jul 21
Utility
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19 Dec 23
A hydraulic system for a working machine includes hydraulic actuators actuated with hydraulic fluid delivered from a hydraulic pump, control valves each of which is shiftable among shift positions to control a flowrate of hydraulic fluid flowing to the corresponding hydraulic actuator, a detection fluid passage, an interlocking control valve, and a pressure detection unit.
Yuji Fukuda
Filed: 20 Jan 23
Utility
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19 Dec 23
This composite titanium oxide compound is a composite titanium oxide compound wherein primary particles of an alkali metal titanate compound and primary particles of an alkaline earth metal titanate compound are joined to form secondary particles.
Kenji Higashi, Masafumi Yasuda
Filed: 27 Nov 18
Utility
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12 Dec 23
A working machine coupler device includes a top linkage, a lower linkage, a detachable frame including a second upper coupler to be coupled to a first upper coupler, and a second lower coupler to be coupled to a first lower coupler, and a top linkage controller.
Kenichi Aoyama
Filed: 23 Dec 20
Utility
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12 Dec 23
A work vehicle includes a hood swingable in an up-down direction between an open position, in which the hood is positioned expose an engine room, and a closed position, in which the hood is positioned to close the engine room, and at least one damper to urge the hood toward a side of the open position.
Yasuo Yamamoto, Tadashi Nakamura
Filed: 6 Dec 21
Utility
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12 Dec 23
A hydraulic system for a working vehicle includes a first hydraulic pump to deliver pilot fluid to a control valve for a hydraulic actuator whose highest load pressure acts on a first fluid passage, and a second hydraulic pump to deliver hydraulic fluid whose pressure acts on a second fluid passage.
Yuji Fukuda, Kazuyoshi Arii, Toshihiko Takemura
Filed: 16 Jun 22
Utility
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5 Dec 23
In an agricultural machine, a route creator creates a planned traveling route for a traveling vehicle body in a work area where a working device works using a material.
Shinnosuke Ishikawa, Fumiya Yoshimura, Ken Sakuta
Filed: 16 Feb 22