1251 patents
Utility
Work Vehicle
18 Jan 24
A work vehicle includes: a body 1; a plurality of travel wheels 2 at front and back portions of the body 1 on each of left and right sides; a plurality of holder mechanisms A held by the body 1 and holding the respective travel wheels 2 in such a manner as to be capable of moving the travel wheels 2 independently of one another relative to the body 1; a detector B configured to detect a state of a travel surface; and a controller C configured to, based on the state that the detector B has detected, control the holder mechanisms A to move the travel wheels 2 relative to the body 1.
Yusuke Ida, Minoru Hiraoka, Junichi Ishikawa, Shunya Takase
Filed: 1 Dec 21
Utility
Ring Body, Pipe Fitting, and Method for Joining Pipes
18 Jan 24
A ring body to be provided in a pipe joint which can prevent a spigot from separating from a socket by a spigot protrusion engaging with a lock ring from the back side of the socket in the separation direction A of the spigot.
Shozo KISHI, Keita ODA, Ryunosuke TANAKA
Filed: 5 Oct 20
Utility
Transmembrane Pressure Difference Inference Device and Diffused Air Amount Control Device
18 Jan 24
To appropriately infer changes over time in transmembrane pressure to perform an appropriate membrane filtration operation, without being bound by typical approach regarding the diffused air volume control.
Hiroyuki Kobayashi, Nobukazu Suzuki
Filed: 9 Dec 21
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
Spark ignition type engine
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
Working machine
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
Agricultural machine
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
Monitoring system for working machine
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
Work vehicle
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
Injector Control Device
11 Jan 24
Yasushi KOBAYASHI, Shingo MATSUNOBU, Kiichi SUEHIRO, Naotaro NAGAI
Filed: 21 Feb 22
Utility
Work Management Device and Work Management Method
11 Jan 24
It is possible to precisely manage a task in operation by precisely inferring the task with use of a trained model that is constructed by machine learning.
Yasushi IDOMOTO, Hayato KAGEYAMA, Kazuya ITO, Kazuma HARADA
Filed: 29 Nov 21
Utility
Working vehicle having a display for displaying driving information thereof
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
Working machine
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
Work vehicle and control method for fan of work vehicle
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
Work Vehicle, Control Device for Work Vehicle, and Control Method for Work Vehicle
4 Jan 24
A control method for a work vehicle includes acquiring an upper limit speed in a creep mode in which the work vehicle travels at the upper limit speed or less regardless of an operation amount of at least one operation device, detecting a hydraulic pressure in an oil passage between a hydraulic motor to move the work vehicle and a hydraulic pump to actuate the hydraulic motor, determining a traveling primary pressure of pilot oil supplied to an operation valve operated by a first operation device out of the at least one operation device based on a first relationship among the upper limit speed, the hydraulic pressure, and the traveling primary pressure, and controlling a control valve via which the pilot oil is supplied to the operation valve such that a pressure of the pilot oil supplied to the operation valve approaches the traveling primary pressure.
Daiki ABE, Ryota HAMAMOTO
Filed: 30 Mar 23
Utility
Utility vehicle
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
Working vehicle and tractor
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
Protective surface on stainless steel
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
Work Vehicle
28 Dec 23
A work vehicle includes: an engine bonnet in a front section of a body of the work vehicle and forming an engine compartment, the engine bonnet being swingably openable and closable in an up-down direction of the body with an opening and closing axis extending in a width direction of the body in a rear section of the engine bonnet as a swing fulcrum; and a front guard covering a front portion of the engine bonnet and including a lower guard section fixedly supported by a body frame and an upper guard section supported by the lower guard section.
Shunsuke SONODA
Filed: 18 May 23