1251 patents
Page 55 of 63
Utility
Travel control apparatus and travel control method
25 May 20
A travel control apparatus for a work vehicle includes a display and circuitry.
Atsushi Shinkai, Kazuo Sakaguchi, Izuru Shimamoto, Kenji Tamatani, Megumi Suzukawa
Filed: 20 Dec 17
Utility
Field Map Generating System
20 May 20
A field map generating system includes: a crop data obtaining unit that obtains crop data over time; a position information obtaining unit that obtains position information, indicating a harvesting position of the crop, over time; polygon constructing units that construct a polygon on the basis of a work width and speed of a harvester, for each piece of crop data obtained by the crop data obtaining unit; data assigning units that assign crop data or crop information based on the crop data to the constructed polygons; a position information assigning unit that assigns position information to the constructed polygons; and field map generating units that generate a field polygon map, which is an aggregate of the polygons, by aggregating the polygons.
Kazuhiro Takahara, Ryuzo Fujita, Mitsuhiro Seki, Mao Kitahara
Filed: 6 Jun 18
Utility
Method for controlling rapid stirrer, and rapid stirrer
18 May 20
In a rapid stirrer that stirs sludge and a flocculant in a tank with a stirring blade, the rotation speed of the stirring blade is increased at a set rate with an increase in the amount of charged sludge, the rotation speed of the stirring blade is reduced at the set rate with a decrease in the amount of charged sludge, and flocculated flocs having a fixed floc diameter are stably generated even when operating conditions change so as to fluctuate the amount of charged sludge.
Takashi Tamura, Ryuji Higashi
Filed: 17 Dec 15
Utility
Work area determination system for autonomous traveling work vehicle, the autonomous traveling work vehicle and work area determination program
18 May 20
A work area determination system for an autonomous traveling work vehicle includes a photographing device for photographing a predetermined area including a work area and acquiring a photographic image thereof, a positioning device for obtaining position information indicative of a position at which the photographic image has been acquired, a map generation section for generating a map based on the photographic image and the position information, a displaying section for displaying the map, and a work area determination section for determining the work area in which the autonomous traveling work vehicle is to work, based on an area designation for the map displayed in the displaying section.
Katsuhiko Uemura, Hitoshi Aoyama, Hideya Umemoto
Filed: 30 May 18
Utility
Spreader Device
13 May 20
A spreader device includes a container to contain spread substance, a first spreader portion having a first rotor to spray the spread substance contained in the container, a second spreader portion having a second rotor to spray the spread substance contained in the container, a first driver source to drive the first rotor, a first shaft to transmit a driving force outputted from the first driver source, a second shaft to transmit a driving force outputted from a second driver source different from the first driver source, and a selection transmitter portion to selectively transmit the driving force form the first shaft and the driving force from the second shaft to the first rotor or the second rotor.
Sumio YAGYU, Takao NAKAGAWA, Masaru KAWANE, Piet Jan VAN DER MAREL
Filed: 26 Dec 19
Utility
Hydraulic System for Working Machine
13 May 20
A hydraulic system includes a hydraulic pump, a first hydraulic actuator, a second hydraulic actuator, a first control valve to control the first hydraulic actuator, a second control valve connected to a downstream side of the first control valve and configured to control the second hydraulic actuator, a return fluid tube in which return fluid discharged from the first hydraulic actuator flows, the return fluid tube coupling the first control valve and the first hydraulic actuator, an internal fluid tube arranged in the first control valve and connected to the return fluid tube, an external fluid tube connected to the internal fluid tube, the external fluid tube coupling the first control valve and the second control valve, a branched fluid tube branched from the external fluid tube and connected to a discharge fluid tube, and a pressurizing portion provided to the discharge fluid tube.
Yuji FUKUDA
Filed: 7 Nov 19
Utility
Grass mower
11 May 20
A grass mower includes a cutting height adjustment mechanism for adjusting a cutting height of a mower unit via a lift link mechanism.
Maxwell Reichard
Filed: 6 Dec 15
Utility
Hydraulic system for work machine
11 May 20
A hydraulic system for a work machine includes a hydraulic bump to output an operation fluid, a hydraulic switch valve to be switched among switching positions in accordance with a pressure of the operation fluid, a proportional valve to change the pressure of the operation fluid applied to the hydraulic switch valve, a travel hydraulic device to change a thrust power in accordance with the switching positions of the hydraulic switch valve.
Yuji Fukuda, Daiki Abe, Jun Tomita, Yuya Konishi, Ryosuke Kinugawa
Filed: 29 Mar 17
Utility
Hydraulic system for work machine and work machine
11 May 20
A hydraulic system for a work machine includes a tank to store an operation fluid, a hydraulic device to be operated by the operation fluid, a control valve to control the hydraulic device, a first fluid tube connecting the hydraulic device and the control valve, the first fluid tube being to supply the operation fluid from the control valve to the hydraulic device, a second fluid tube branching from the first fluid tube and connected to the tank, a switch valve provided to the second fluid tube, the switch valve being to control a flow rate of the operation fluid, and an oil cooler provided to the second fluid tube between the switch valve and the tank.
Yuji Fukuda, Kazuyoshi Arii, Hiroaki Nakagawa
Filed: 26 Jun 17
Utility
Discharge shroud device for mower deck
4 May 20
A discharge shroud device includes a cover element extending outward from a side of a mower deck for covering a discharge opening defined at the side of the mower deck, a shroud support unit for attaching the cover element to the mower deck, a blocking plate provided in the cover element to be swingable between an open position in which the discharge opening is opened and a closed position in which the discharge opening is closed, and an open-position fixing element for fixing the blocking plate to the cover element at the open position.
David Spitz
Filed: 10 Sep 17
Utility
Work vehicle
4 May 20
A work vehicle includes an assist motor that is located opposite an engine with respect to a continuously variable transmission device.
Go Takaki, Takahito Matsumori, Shunsuke Miyashita, Yukifumi Yamanaka, Masatoshi Sakai
Filed: 14 Dec 17
Utility
Work vehicle
4 May 20
A work vehicle is provided with a driving section (5), and a load carrying deck (6) disposed rearwardly of the driving section (5).
Kazuyuki Tashiro, Kohta Nakao
Filed: 30 Apr 17
Utility
Cooling structure of water-cooled engine
4 May 20
A cooling structure of a water-cooled engine includes: a plurality of cylinders 2 arranged in a cylinder block 1; and a water jacket W formed around the plurality of cylinders 2.
Hiroki Oso, Takahiro Yamazaki, Hideyuki Koyama, Rina Kaneko, Yoshinori Tanaka, Takashi Yamaguchi, Akira Tanaka
Filed: 29 Nov 17
Utility
Hydraulic system of work machine and work machine
4 May 20
A hydraulic system of a work machine includes a first hydraulic device to operate in a first operation mode while pressure of hydraulic oil supplied from a hydraulic pump via a first oil passage is equal to or higher than a first pressure threshold.
Yuji Fukuda, Kazuyoshi Arii, Ryohei Sumiyoshi
Filed: 5 Dec 16
Utility
Work Management System and Work Management Method
29 Apr 20
A work management system includes a generator attached to a structure body that is provided to a transmission case of a working machine, configured to be driven by power transmitted from a PTO shaft, and configured to transmit power to a working device provided in the working machine, an information obtaining portion configured to obtain operation information representing operation of the working device that is activated by the power from the generator, a work management portion configured to manage working of the working device based on the operation information obtained by the information obtaining portion, and a controller portion configured to control the working device based on the operation information obtained by the information obtaining portion.
Sumio YAGYU, Takao NAKAGAWA, Masaru KAWANE, Piet Jan VAN DER MAREL
Filed: 26 Dec 19
Utility
Engine Equipped with Supercharger
29 Apr 20
There is provided an engine equipped with a supercharger that suppresses heat deterioration of engine oil.
Hiroki OSO, Nobuyoshi OKADA, Shingo MATSUNOBU, Yoshinori TANAKA, Ayako SAKURAI
Filed: 21 Oct 19
Utility
Agriculture Support System, Agriculture Support Device and Agriculture Support Method
29 Apr 20
An agriculture support system includes a data obtaining device to obtain at least one type of data among a plurality of types of data relating to planting of crops, a mesh setting device to allocate, as divided data, the data obtained by the data obtaining device to each of areas of an agricultural field in which the crops are planted, a first map display to relate, to a location of the agricultural field, the divided data allocated to each of the areas by the mesh setting device and to display the divided data as a first field map, a spreading setting device to set a spreading amount of spread substance in each of the areas based on the divided data of each of the areas, and a second map display to relate, to the location of the agricultural field, the spreading amount and to display the spreading amount.
Shuji TAKEDA, Yoshiharu YOSHIMOTO, Masayuki YAO, Kazuhiro TAKAHARA, Tomohiro NISHIKAWA
Filed: 25 Dec 19
Utility
Drive device for PTO shaft of working machine
27 Apr 20
A drive device for a PTO shaft includes a parking switch to detect a parking state of a vehicle body, a permission switch constituted of a self-returning switch and connected to the parking switch, the permission switch being configured to be switched to permit driving a PTO shaft, the PTO shaft being configured to be driven by a power of a prime mover disposed on the vehicle body, and a first switch device to be switched to enable the PTO shaft to be driven when the permission switch is switched to permit driving the PTO shaft under a state where the parking switch detects the parking state of the vehicle body.
Manabu Togo, Hiroshi Miyake, Ryuji Kataoka, Tsuyoshi Gono
Filed: 19 Jun 17
Utility
Autonomous travelling work vehicle, and method for controlling autonomous travelling work vehicle
27 Apr 20
An autonomous travelling work vehicle includes at least one obstruction sensor and circuitry.
Yushi Matsuzaki
Filed: 13 Dec 17
Utility
Non-Excitation Operable Electromagnetic Brake
22 Apr 20
Provided is a non-excitation operable electromagnetic brake that includes a manually operable rotary cam for switching over a rotor to a brake releasing state, but that allows easy recognition of switchover to the brake released state via an operation reaction force and that also allows reliable keeping of the rotary cam under its acting state.
Kazuaki Matsuda, Hirokazu Ito
Filed: 6 Jun 19