686 patents
Page 10 of 35
Utility
Power Transmission Device for Work Vehicle
15 Dec 22
A power transmission device for a work vehicle includes: a transmission case; a gear transmission contained in the transmission case and configured to receive motive power from a power source; a differential mechanism contained in the transmission case and configured to receive motive power from the gear transmission and transmit the motive power to a left wheel and a right wheel; and a gear cover covering a lower portion of a ring gear of the differential mechanism.
Atsushi JINNAI, Sota KITAMURA, Koichi KURODA, Hiroshi YACHI
Filed: 6 Jun 22
Utility
System and Method for Controlling Operation of a Work Machine
8 Dec 22
A system including a sensor configured to detect an orientation of the vehicle, a vehicle ECU configured to communicate with the sensor and with a work machine, a work machine ECU configured to communicate with the vehicle and to control performance of a work function of the work machine, and wherein, the sensor is configured to communicate a detected orientation of the vehicle to the vehicle ECU, the vehicle ECU is configured to transmit a signal to the work machine ECU if the detected orientation is outside of target parameters corresponding to an orientation of the vehicle, and the signal is configured to notify the work machine ECU of the detected orientation and/or modify operation of a work function performed by the work machine.
Fulvio ZERBINO
Filed: 20 May 22
Utility
Hydraulic System of Working Machine
8 Dec 22
A hydraulic system of a working machine includes a hydraulic pump to output a hydraulic fluid, at least one proportional valve to deliver the hydraulic fluid to a supply target, a valve body including the proportional valve, a heat-up fluid passage in the valve body and into which the hydraulic fluid flows, a switching valve switchable between an open position in which the hydraulic fluid passing through the heat-up fluid passage is supplied to a hydraulic device and a closed position in which the hydraulic fluid is not supplied thereto and the hydraulic fluid from the hydraulic device is to be returned, a controller to operate the switching and proportional valves, and a return circuit through which the hydraulic fluid flowing into the heat-up fluid passage is returned as a result of at least one of the switching and proportional valves being operated by the controller.
Yuji FUKUDA, Jun TOMITA, Yuya KONISHI, Toshiya TANI, Daisuke SAKURAI
Filed: 2 Jun 22
Utility
System for Measuring and Interpreting a Force
8 Dec 22
A system (1) for measuring and interpreting a force, comprises at least one working implement, for acting on an agricultural field and at least one force sensor, for measuring a force of the working implement.
Joel HONKANEN
Filed: 6 Nov 20
Utility
Urea Concentration Sensor and Ammonia Concentration Sensor
1 Dec 22
Provided is a urea solution sensor that can accurately measure a concentration of urea.
Susumu MORIMOTO, Daichi MAENO
Filed: 4 Dec 20
Utility
Electric Work Vehicle
1 Dec 22
An electric work vehicle includes a work device, a battery, a motor drivable on electric power supplied by the battery, a travel device drivable by the motor, and a hydraulic pump positioned next to the motor and drivable by the motor to supply operating fluid to an operating mechanism of the work device.
Daisuke NAKAYAMA, Hironobu NOGAMI, Norita TOTTORI, Takefumi OGURI
Filed: 27 May 20
Utility
Work Vehicle
1 Dec 22
A tractor includes a link mechanism and a power extractor.
Kumiko KOBAYASHI, Kenzo USHIRO, Sadao YAMANAKA
Filed: 26 May 22
Utility
Electric Work Vehicle
1 Dec 22
An electric work vehicle includes a travel battery, an auxiliary battery, a motor drivable on electric power supplied by the travel battery, a travel device drivable by the motor, a voltage converter positioned forward of the travel battery to step down a voltage of electric power from the travel battery and supply the electric power to the auxiliary battery, and a radiator positioned forward of the travel battery, wherein the voltage converter and the radiator are laterally next to each other in a plan view.
Norita TOTTORI, Hironobu NOGAMI, Daisuke MIYAZAKI, Renta KASAI, Daisuke NAKAYAMA
Filed: 27 May 20
Utility
Electric Work Vehicle
1 Dec 22
An electric work vehicle includes a battery, a motor positioned under the battery and drivable on electric power supplied by the battery, a travel device drivable by the motor, an inverter positioned under the battery and forward of the motor to convert direct-current electric power from the battery into alternating-current electric power and supply the alternating-current electric power to the motor, and a transmission positioned backward of the battery to transmit a driving force of the motor to the travel device, wherein the motor and the inverter are arranged in a front-back direction of a machine body.
Norita TOTTORI, Daisuke NAKAYAMA, Hironobu NOGAMI
Filed: 27 May 20
Utility
Electric Work Vehicle
1 Dec 22
An electric work vehicle includes a driver section that an operator is able to enter, a battery positioned forward of the driver section, a motor drivable on electric power supplied by the battery, a travel device drivable by the motor, a cover including an accommodation space inside and capable of being opened and closed, wherein the battery includes an electricity storage to store electric power and a battery cover hermetically accommodating the electricity storage, and the battery cover includes an outer wall surface defining a portion of an exterior of the electric work vehicle.
Daisuke NAKAYAMA
Filed: 27 May 20
Utility
Two-Seater Off-Road Vehicle
24 Nov 22
A two-seater off-road vehicle includes a travel vehicle body that is supported on the ground by a front wheel unit and a rear wheel unit, and a boarding part disposed above a vehicle body frame included in the travel vehicle body.
Kensuke Okabe
Filed: 3 Nov 21
Utility
Electric Vehicle
17 Nov 22
An electric vehicle includes: an electric motor; a wheel that is driven by the electric motor; a power transmission mechanism that defines at least a part of a power transmission path between the electric motor and the wheel and that transmits rotational power of the electric motor to the wheel; a wheel brake that is provided on the wheel; an electromagnetic brake that stops rotation of the electric motor; and a controller that maintains a control value of a rotation speed of the electric motor at 0 and activates the electromagnetic brake when a vehicle speed becomes lower than or equal to a predetermined value close to 0.
Kazuto OKAZAKI, Shinichi KAWABATA, Hiroshi SHIMADA
Filed: 12 May 22
Utility
Working Vehicle
17 Nov 22
A working vehicle includes a vehicle body, a traveling device which supports the vehicle body such that the vehicle body is allowed to travel, an electric motor to drive the traveling device, the electric motor being provided on the vehicle body, and a plurality of batteries to store electric power to be supplied to the electric motor, wherein the plurality of batteries include an on-board battery fixed to the vehicle body and a mobile battery detachably attached to the vehicle body.
Kazuto OKAZAKI, Shinichi KAWABATA, Hiroshi SHIMADA
Filed: 12 May 22
Utility
Work Vehicle
3 Nov 22
A work vehicle includes: a body; a traveling apparatus capable of a turning travel; a speed detector capable of detecting a vehicle speed; a steering tool manually operable to steer the traveling apparatus; a notification apparatus; and a controller.
Takashi Fujii
Filed: 18 Nov 21
Utility
Accommodation Device
3 Nov 22
Provided is an accommodation device capable of transporting a work vehicle(s) smoothly.
Hideya Umemoto, Kentaro Shinkai, Takeshi Komorida, Kensuke Uemoto, Shinichi Yamada, Kanako Komori
Filed: 19 Jul 22
Utility
Harvesting Machine, Obstacle Determination Program, Recording Medium on Which Obstacle Determination Program is Recorded, Obstacle Determination Method, Agricultural Work Machine, Control Program, Recording Medium on Which Control Program is Recorded, and Control Method
3 Nov 22
A harvesting machine includes: a machine main body 1; a harvesting unit 15 that is provided forward of the machine main body 1 and is capable of swinging upward and downward relative to the machine main body 1; a height detection unit that is capable of detecting a height position H at which the harvesting unit 15 is located; and an obstacle detection unit that is capable of detecting an obstacle that is located forward thereof in a travel direction.
Shunsuke Edo, Kenichi Iwami, Shunsuke Miyashita
Filed: 24 Apr 20
Utility
Hydraulic System for Work Machine
27 Oct 22
A hydraulic system for a work machine, which includes a first hydraulic pump to deliver operation fluid, a second hydraulic pump to deliver pilot fluid, a first hydraulic actuator configured to control flow rate of the operation fluid based on the pilot pressure applied to the pressure receivers, a manual operator configured to operate the first hydraulic actuator, having an operation lever to move toward both directions, operation valves to change pressure of the pilot fluid in accordance with movement of the operation lever, and a discharge fluid tube to drain the pilot fluid from the operation valves.
Yuji FUKUDA, Kazuyoshi ARII
Filed: 8 Jul 22
Utility
Tractor
27 Oct 22
A tractor includes a body, a link mechanism including a link including an end on a side of the body, and a link attachment mechanism to attach the link to an end of the body in a front-back direction, the link attachment mechanism including a shaft with an axis in a left-right direction and supporting the end of the link such that the link is rotationally movable about the axis, at least one support located on the body and supporting the shaft, and a fixing tool to disable or enable movement of the shaft in the left-right direction relative to the at least one support and to allow the shaft to be pulled out of and inserted into the at least one support in the left-right direction.
Shinji Fujimoto, Naoya Okamoto
Filed: 22 Apr 22
Utility
Working Machine
27 Oct 22
A working machine comprises an operation member for operating a hydraulic device via a control valve.
Masahiro TOYAMA, Yuji FUKUDA
Filed: 11 Jul 22
Utility
Work Vehicle and Front Grill of Work Vehicle
27 Oct 22
A work vehicle includes: a wheel support member configured to support a pair of left and right traveling wheels; a link mechanism configured to support the wheel support member such that the wheel support member can be raised and lowered, the link mechanism being provided spanning between a vehicle body and the wheel support member; a suspension mechanism configured to elastically support the wheel support member, the suspension mechanism being provided spanning between a suspension support portion, which is formed on the vehicle body, and the wheel support member; and a lateral link configured to restrict leftward and rightward movement of the wheel support member, the lateral link being joined to a vehicle body-side support portion, which is formed on the vehicle body, and to a wheel-side support portion, which is formed on the wheel support member, wherein the link mechanism has: an upper link with an front end portion supported so as to be able to pivot up and down around an upper pivot axis by a link support portion, which is formed on the vehicle body, and with a rear end portion joined so as to be able to relatively pivot around an upper joint axis by the wheel support member; and a lower link with a front end portion supported so as to be able to pivot up and down around a lower pivot axis by the link support portion, and with a rear end portion joined to the wheel support member so as to be able to relatively pivot around a lower joint axis, a distance between the upper pivot axis and the upper joint axis is set shorter than a distance between the lower pivot axis and the lower joint axis, a gap width between the upper joint axis and the lower joint axis is set larger than a gap width between the upper pivot axis and the lower pivot axis, and when the vehicle body is in an unloaded state, the lower joint axis is located lower than the lower pivot axis.
Masahiro Azuma, Tatsuya Nagatomi, Kenta Moribe, Tomonori Kaneko
Filed: 11 Jul 22