1251 patents
Page 46 of 63
Utility
Travel route generating device and method for generating travel route
4 Jan 21
A travel route generating device for a work vehicle includes a cell memory to store cell information with respect to cells obtained by dividing a topographical map of a work field in which the work vehicle works.
Kazuo Sakaguchi, Megumi Suzukawa, Sakura Tomita, Yuji Okuyama
Filed: 19 Oct 17
Utility
Positioning detection device and working machine having positioning detection device
4 Jan 21
A positioning detection device includes a first obtaining circuit to obtain a satellite signal, a second obtaining circuit to obtain a detection signal of an inertial device, a third obtaining circuit to obtain a traveling state of the vehicle body including straight-traveling and turning of the vehicle body, a first calculator to calculate first positioning information in satellite navigation system to which the satellite signal is applied, a second calculator to calculate second positioning information in inertial navigation system to which the detection signal is applied, a third calculator to calculate third positioning information in Kalman filter to which the first positioning information and the second positioning information are applied, and an output circuit to output the third positioning information when the third obtaining circuit obtains the straight-traveling and to output the first positioning information and/or the second positioning information when the third obtaining circuit obtains the turning.
Kenichi Iwami, Akisato Hori, Akira Chabata, Naohiro Ishikawa
Filed: 3 Oct 18
Utility
Robot mower with protruding blades
4 Jan 21
A robot mower includes a left cutter blade unit rotatable about a left vertical shaft to generate a left rotation locus, a right cutter blade unit rotatable about a right vertical shaft to generate a right rotation locus and a center cutter blade unit rotatable about a center vertical shaft to generate a center rotation locus.
Masahiro Yamada
Filed: 3 Jun 18
Utility
Agricultural work management system and agricultural crop harvester
4 Jan 21
An agricultural work management system includes: a data input unit configured to receive, from an agricultural crop harvester, harvesting position data indicating a harvesting work position as agricultural land information, harvest amount data indicating a harvest amount of the agricultural crop harvested in the agricultural land, and quality data indicating the quality thereof as agricultural crop information; a database server configured to store the agricultural land information and the agricultural crop information such that they can be associated with each other; an agricultural work evaluation unit configured to perform agricultural work evaluation on the agricultural land based on the agricultural land information and the agricultural crop information; and a data output unit configured to send out the agricultural work evaluation data generated by the agricultural work evaluation unit.
Mitsuhiro Seki, Kazuhiro Takahara
Filed: 7 May 20
Utility
Working Vehicle and Support System for the Same
30 Dec 20
A working vehicle includes a vehicle body to be coupled to a working device, a communication controller to obtain first operation information relating to operation of the working device, the communication controller being electrically connected to the working device to communicate bi-directionally with the working device, an applicability judging device to judge applicability of the working device to the operation based on the first operation information obtained by the communication controller, and a display device to display the applicability judged by the applicability judging part.
Fulvio ZERBINO
Filed: 3 Jun 20
Utility
Anti-theft System for Working Machine, Anti-theft Control Method of the Working Machine, and the Working Machine
30 Dec 20
An anti-theft system for a working machine, includes: a start-operation tool to issue an order to start a prime mover; an information obtaining device to obtain first information and second information; and a controller device having: a certification storage to store certification information; a start processor to obtain the order issued by the start-operation tool and to start the prime mover when the first information obtained by the information obtaining device is related to the certification information; and a registration processor to perform a registration process for registering the second information as the certification information.
Ryo IKEDA, Keisuke EGASHIRA, Ryota ANDO
Filed: 8 Jun 20
Utility
Hydraulic System for Working Machine and the Working Machine
30 Dec 20
A hydraulic system includes: a boom cylinder; a working tool cylinder; a boom control valve; a working tool control valve; first and second fluid tubes through which operation fluid is supplied to the boom cylinder; third and fourth fluid tubes through which operation fluid is supplied to the working tool cylinder; a first relief valve provided in a first bypass fluid tube and configured to allow the operation fluid to flow from the fourth fluid tube toward the first fluid tube and to block the operation fluid flowing from the first fluid tube toward the fourth fluid tube; and a second relief valve provided in a second bypass fluid tube and configured to allow the operation fluid to flow from the third fluid tube toward the second fluid tube and to block the operation fluid flowing from the second fluid tube toward the third fluid tube.
Robert STEWART BOYD, Kosuke OYAMA
Filed: 11 Jun 20
Utility
Egr Device
30 Dec 20
In an EGR device in which an EGR passage is merged with an intake passage communicating with a compressor housing of a supercharger, the EGR passage is extended to the inner side of the intake passage with respect to a junction between the EGR passage and the intake passage, and the position of a terminal end of an extended passage section in an air flow direction matches the position of a terminal end of the intake passage, the extended passage section being the EGR passage extended.
Tetsuya KOSAKA, Kazumichi MATSUISHI, Toshio NAKANISHI, Naoya JUNICHO, Kensuke FUJITA
Filed: 9 Jun 20
Utility
Work vehicle, control method for work vehicle, and cooperative work vehicle monitoring system
28 Dec 20
A work vehicle includes a display, communication circuitry, and circuitry.
Atsushi Shinkai, Kazuo Sakaguchi, Izuru Shimamoto, Kenji Tamatani, Megumi Suzukawa
Filed: 13 Dec 17
Utility
Attaching-detaching structure of a front loader, front loader and work vehicle
28 Dec 20
Shin Torii, Yuta Ozeki
Filed: 8 May 18
Utility
Tappet
28 Dec 20
Hon Chung Woon, Masayasu Takami
Filed: 25 Jan 18
Utility
Tractor and Working Vehicle
23 Dec 20
A tractor includes: a driver seat on which a driver can sit; a hood 5 provided in front of the driver seat; and an antenna unit that receives satellite positioning information.
Kumiko Kobayashi, Misako Kawai, Kunihiko Nishino, Yasuaki Morioka, Shunsuke Miyashita, Yuki Kubota, Manabu Togo, Kenichi Iwami, Hiroki Suga, Toru Tambo
Filed: 13 Dec 18
Utility
Hydraulic system for working machine
21 Dec 20
A hydraulic system for a working machine, includes a first hydraulic pump to output an operation fluid, a hydraulic device to be operated by the operation fluid, an operation member to be operated, a control valve to control the hydraulic device based on an operation extent of the operation member, a holding member to set a held operation extent that is the operation extent held in the operation of the operation member, and a pedal to be operated to change the held operation extent set by the holding member.
Yuji Fukuda
Filed: 11 Oct 18
Utility
Working Vehicle
16 Dec 20
A working vehicle includes a PTO shaft to transmit power of a propulsion shaft, a PTO clutch including a first rotor to be rotated by the power of the propulsion shaft, a second rotor to transmit the power to the PTO shaft, a press to be moved by a pressure of operation fluid between an engaging side on which the first rotor is engaged with the second rotor and a disengaging side, and a PTO brake to brake the PTO shaft when the press is positioned on the disengaging side, a control valve to control the pressure of the operation fluid to be applied to the PTO clutch, a rate setter to set a reducing rate at which the pressure of the operation fluid is reduced, and a controller to control the control valve based on the reducing rate.
Hitoshi AZUMA, Tetsuo YAMAGUCHI, Shinji OHARA, Yoshihiko KUROSHITA, Michita KONO
Filed: 4 Jun 20
Utility
Work Vehicle with Improved Control Valves Controllers
16 Dec 20
A work vehicle, including: a plurality of control valves configured to selectively convey hydraulic fluid to a hydraulic machine, a plurality of controllers connected to said control valves, a terminal including a display screen displaying graphics associated with said valves, a setting button configured to selectively modify a connection between the control valves and the controllers, and modify graphics based on changes of the connection.
Jean-Louis BURNIER
Filed: 7 Jun 20
Utility
Working Vehicle
16 Dec 20
A working vehicle includes a traveling clutch to be switched between an engaging state and a disengaging state, a brake to brake the traveling device according to an operation of a brake operator, and a controller to perform a braking control to perform the braking, and an auto-switching controller to switch the traveling clutch from the engaging state to the disengaging state.
Yoshihiko KUROSHITA, Tetsuo YAMAGUCHI, Michita KONO, Hitoshi AZUMA, Shinji OHARA
Filed: 4 Jun 20
Utility
Vehicle wheel
14 Dec 20
A vehicle wheel includes a rim having an inner peripheral surface, and a center disc.
Robert Walden, Barry Jordan
Filed: 23 Apr 17
Utility
Working machine and cooling control system for the same
14 Dec 20
A cooling control system for a working machine includes a fan, a housing to which the fan is attached, a prime mover having an output shall, a rotor to be rotated by a rotating power of the output shaft and to be rotated with the housing by a fluid introduced to a gap formed between the housing and the rotor, a fluid setting circuit to set an introduction amount of the fluid introduced to the gap, and a control device to control the fluid setting circuit to control the fan.
Ryosuke Kinugawa, Nozomu Minagawa, Hiroshi Tatsumi, Keisuke Miura, Makoto Noguchi
Filed: 20 Jun 18
Utility
Work Vehicle
9 Dec 20
A work vehicle includes a vehicle body, a pair of left and right driving wheels that movably support the vehicle body, a pair of motors capable of rotatably driving the left and right driving wheels respectively, a pair of maneuvering levers pivotally supported to the vehicle body to be pivotable about a horizontal axis extending in a vehicle body transverse direction and capable of adjusting rotational speeds respectively of the left and right driving wheels and a pair of dynamic vibration absorbing portions supported to respective free end portions of the maneuvering levers and capable of suppressing vibrations of the maneuvering levers.
Yuto FUJII, Justin MCCALLISTER, Hideki AOKI
Filed: 3 Jun 19
Utility
Working Vehicle
9 Dec 20
A working vehicle includes a vehicle body to travel, a steering handle to be turned to steer the vehicle body, and a steering switch to steer the vehicle body separately from the steering handle.
Shunsuke MIYASHITA, Kenichi IWAMI, Hiroki SUGA, Yuki KUBOTA, Toru TAMBO, Kunihiko NISHINO, Yasuaki MORIOKA, Kumiko KOBAYASHI, Misako KAWAI, Manabu TOGO, Yoshihiko KUROSHITA
Filed: 19 Jul 20