1251 patents
Page 59 of 63
Utility
Hydraulic system for work machine
20 Jan 20
A hydraulic system for a work machine includes a first control valve including a first direction switch to switch a direction in which the operation fluid is to flow through a first hydraulic actuator and a pressure compensator to maintain a differential pressure to a constant pressure, the differential pressure being a difference between a pressure of the operation fluid to be inputted to the pressure compensator and a pressure of the operation fluid to be outputted from the pressure compensator.
Hiroshi Horii
Filed: 20 Dec 16
Utility
Work Vehicle
15 Jan 20
A work vehicle includes a plurality of traveling devices for driving traveling, a plurality of articulated link mechanisms having at least two or more joints and supporting the plurality of traveling devices to a vehicle body, with allowing the plurality of traveling devices to be elevated/lowered independently of each other, a driving mechanism capable of changing respective postures of the plurality of articulated link mechanisms independently of each other, and a plurality of turning mechanisms configured to support the respective plurality of the articulated link mechanisms, with allowing the link mechanisms to be orientation-changeable about a vertical axis.
Junichi ISHIKAWA, Minoru HIRAOKA
Filed: 27 Mar 18
Utility
Working machine and setting change system for working machine
13 Jan 20
In addition to improving security of data communication between a control device and a mobile terminal, to make it possible to easily make the data communication.
Keisuke Miura, Susumu Umemoto, Hiroyuki Araki, Yasuhisa Uoya
Filed: 31 Aug 15
Utility
Working machine
13 Jan 20
A working machine includes: a boom base portion including: an inner side wall; and an outer side wall disposed opposite to the inner side wall; a lift link disposed on a rear portion of the boom base portion; and a boom cylinder disposed in front of the lift link.
Toshihiko Takemura, Shunichiro Mori, Hiroshi Koyamatsu, Hayato Ido, Shigeki Morishita
Filed: 14 Jun 18
Utility
Traveling Control Device
8 Jan 20
Provided is a traveling control device capable of appropriately controlling the turning and the speed of a traveling vehicle.
Hirokazu Ito, Yasuhiro Manji
Filed: 13 May 19
Utility
Traveling Work Vehicle Equipped with Work Apparatus
8 Jan 20
A traveling work vehicle includes: a vehicle speed control portion configured to control the vehicle speed; a number-of-revolutions calculation portion configured to calculate, as an actual number of revolutions, a number of revolutions of a single rotary power source per unit time; a number-of-revolutions command generation portion configured to generate a number-of-revolutions command using a requested number of revolutions; a requested vehicle speed input portion configured to input a requested vehicle speed that is based on a user operation; a requested vehicle speed calculation portion configured to calculate a computed requested vehicle speed using a deviation between the requested number of revolutions and the actual number of revolutions, and the requested vehicle speed; and a vehicle speed command generation portion configured to give the vehicle speed control portion a vehicle speed command that is generated using the computed requested vehicle speed.
David SPITZ
Filed: 4 Jul 18
Utility
Work vehicle
6 Jan 20
A work vehicle includes an imaging device for imaging a plant growing in a field and a control device for controlling a sowing device.
Kazuyoshi Kawamoto, Shunsuke Fujii
Filed: 28 Nov 17
Utility
Work vehicle equipped with display unit
6 Jan 20
A work vehicle includes: a traveling apparatus and a work apparatus that use rotational power from a power source configured to output rotational power by consuming fuel; a display unit having a changing data display region; a working state detection portion configured to detect a working state in which the work apparatus is being driven; an instantaneous fuel economy calculation portion configured to calculate, as instantaneous fuel economy, fuel consumption per time in the working state; and a display data generation portion configured to generate instantaneous fuel economy display data for displaying the instantaneous fuel economy in the changing data display region.
David Spitz
Filed: 19 Dec 17
Utility
Traveling Vehicle
1 Jan 20
A traveling vehicle includes: a body; a steering wheel that is attached to the body and rotates around a rotating shaft; and a forward-reverse switching lever that switches between a forward position, a neutral position, and a reverse position.
Kensuke Taira, Toyohiko Kumatori, Satoshi Yoshikawa, Takuya Inamori
Filed: 17 Sep 18
Utility
Hydraulic System for Working Machine
1 Jan 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 to control the second hydraulic actuator, a return fluid tube in which a return fluid discharged from the first hydraulic actuator flows, the return fluid tube connecting the first control valve and the first hydraulic actuator, a first inner fluid tube provided in the first control valve and connected to the return fluid tube, an outer fluid tube connected to the first inner fluid tube, the outer fluid tube connecting the first control valve and the second control valve, a return-discharge fluid tube to discharge the return fluid, the discharge fluid tube being branched from the outer fluid tube, and a throttle provided in the return-discharge fluid tube.
Yuji FUKUDA
Filed: 20 Jun 19
Utility
Hydraulic System for Working Machine
1 Jan 20
A hydraulic system includes an output fluid tube connected to a hydraulic pump to output operation fluid, and an unload valve to be switched to output operation fluid or to stop outputting operation fluid, the unload valve being connected to the output fluid tube.
Yuji FUKUDA
Filed: 20 Jun 19
Utility
Hydraulic System for Working Machine
1 Jan 20
Yuji FUKUDA
Filed: 20 Jun 19
Utility
Hydraulic System for Working Machine
1 Jan 20
A hydraulic device includes a braking device to brake a traveling device and release braking of the traveling device, a traveling pump to drive the traveling device with pressure of operation fluid, a brake-operation valve to control operation fluid flowing to the brake device, a traveling operation valve to control operation fluid flowing to the traveling pump, a first discharge fluid tube to discharge operation fluid flowing through the brake-operation valve, the first discharge fluid tube being connected to the brake operation valve, and a second discharge fluid tube to discharge operation fluid flowing through the traveling operation valve, the second discharge fluid tube being connected to the traveling operation valve.
Yuji FUKUDA, Daiki ABE, Jun TOMITA, Yuya KONISHI, Fumitaka FUJISAWA, Yudai KOGA
Filed: 23 Jun 19
Utility
Engine Cover and Work Vehicle
1 Jan 20
An engine cover capable of appropriately covering the upper side of an engine is provided.
Seigi Aratake, Kozo Kitagawa, Takahiro Miyasaka, Koji Kashiwase
Filed: 6 Jun 19
Utility
Engine Working Machine
1 Jan 20
There is provided an engine working machine capable of suppressing functional disorder of an exhaust catalyst and decline of engine performance.
Hideo SHIMOJI, Yuki ISHII, Tatsuya UESHIMA, Hiroki MURATA
Filed: 4 Jun 19
Utility
Stand of front loader, front loader, and work vehicle with supporting-time guiding hole
30 Dec 19
A stand of a front loader includes: a main body that is disposed on a boom and swings between a supporting position in which the main body supports a front loader and a storage position in which the main body is stored; a grounding-member swing shaft that is disposed on the main body and engages with the boom to hold the main body in the storage position; a swinging member swingably disposed on the boom; and an engagement lever disposed on the swinging member, wherein the main body has a guiding hole that guides the engagement lever to regulate a swinging range of the main body.
Ryuichi Nadaoka, Yuta Ozeki, Koshiro Hirakawa
Filed: 10 Apr 19
Utility
Device for supplying fuel to engine
30 Dec 19
A merge and discharge unit has: a reservoir unit in which fuel can be collected; a first merge unit for merging into the reservoir unit the fuel from an upstream site upstream of the merge and discharge unit on a fuel supply route; a second merge unit for merging into the reservoir unit the fuel from a first fuel return route; a first discharge unit for discharging a portion of the fuel of the reservoir unit into a downstream site downstream of the merge and discharge unit on the fuel supply route; and a second discharge unit for discharging a remaining portion of the fuel of the reservoir unit into a second fuel return route.
Akiyoshi Ono, Takahiro Hisada, Mamoru Kawaguchi, Daisuke Yasunobe, Norifumi Adachi, Hisashi Tsukatani, Mitsuhisa Kanata
Filed: 2 Apr 17
Utility
Pipe joint
30 Dec 19
An annular sealing material seals a pipe joint between a socket and a spigot.
Shozo Kishi, Takashi Yokomizo, Yoshinori Itani, Takaaki Kagawa, Kohei Ikeda, Shogo Kaneko
Filed: 17 Dec 15
Utility
Fluid heating device for engine
30 Dec 19
There is provided a fluid heating device for an engine with increased heating efficiency of fluid.
Koji Okada, Yasuo Fujii, Mikio Ishida
Filed: 29 Jul 15
Utility
Fluid heating device of engine
30 Dec 19
A fluid heating device of an engine is provided that is capable of reducing power consumption of a heat source required for heating a fluid.
Kazunari Tsujino, Yasuo Fujii, Mikio Ishida, Kouji Horikiri, Katsushi Inoue
Filed: 30 Nov 16