686 patents
Page 32 of 35
Utility
Hydraulic System for Working Machine
19 Feb 20
A hydraulic system includes a hydraulic pump to be driven by a prime mover, a first hydraulic actuator, a second hydraulic actuator, a first connecting fluid tube connected to the first hydraulic actuator, a second coupling hydraulic tube connected to the first hydraulic actuator, and a first control valve having a first position and a second position.
Yuji FUKUDA, Keigo HONDA
Filed: 4 Jun 19
Utility
Working Machine
19 Feb 20
A working machine includes a manual switch, a filter to catch particulate matters included in exhaust gas that is exhausted from a prime mover, a first cleaning controller to perform automatic cleaning that automatically combusts the particulate matters when a deposits amount of the particulate matters caught by the filter is a first deposits amount threshold or more, a second cleaning controller to perform manual cleaning that combusts the particulate matters based on a command of the manual switch when the deposits amount is equal to or more than a second deposits amount threshold that is larger than the first deposits amount threshold, and a third cleaning controller to perform assist cleaning that combusts the particulate matters based on the command of the manual switch when the deposits amount is equal to or more than the first deposits amount threshold and smaller than the second deposits amount threshold.
Ryuki NISHIMOTO, Keisuke MIURA, Ryosuke KINUGAWA
Filed: 22 Oct 19
Utility
Hydraulic System for Working Machine
12 Feb 20
A hydraulic system for a working machine, includes an operation member, an operation valve to change an output pressure of an operation fluid in accordance with operation of the operation member, a hydraulic device to be activated by the operation fluid outputted from the operation valve, a first fluid tube coupling the operation valve to the hydraulic device, and a bleed circuit connected to the first fluid tube and configured to output the operation fluid in the first fluid tube.
Daiki ABE, Yuji FUKUDA, Yuya KONISHI, Keigo HONDA, Hiroya HANANO, Jun TOMITA
Filed: 3 Jun 19
Utility
Hydraulic System for Working Machine and Hydraulic Control Method for Working Machine
12 Feb 20
A hydraulic system includes a control device to reduce a first movement speed to be lower than a second movement speed, the first movement speed being a speed at which a spool of a first control valve moves from a first supply position to a first stop position under a state where a second control valve is in the second supply position, the second movement speed being a speed at which the spool moves from the first supply position to the first stop position under a state where the second control valve is in the second stop position.
Ryuki NISHIMOTO, Yuji FUKUDA, Jun TOMITA
Filed: 4 Jun 19
Utility
Battery Connector Assembly and Battery Device
5 Feb 20
Provided is a battery connector assembly that allows adaptation of a connector of a battery to both a connector of an electric work vehicle and a connector of a charger.
Katsuhiko Uemura, Hirokazu Ito, Yasuhiro Manji
Filed: 6 Jun 19
Utility
Electric Work Vehicle, Battery Pack for Electric Work Vehicle and Contactless Charging System
29 Jan 20
An electric work vehicle includes: a battery pack that is arranged between a left rear wheel arranged outside of a left frame and a right rear wheel arranged outside of a right frame, the front end of the battery pack being located forward of an axle center of a rear wheel unit; a left motor that is arranged above the battery pack, in the periphery of the left rear wheel, receives a supply of power from the battery pack, and transmits rotational power to the left rear wheel; and a right motor that is arranged above the battery pack, in the periphery of the right rear wheel, receives a supply of power from the battery pack, and transmits rotational power to the right rear wheel.
Hirokazu Ito, Kazuo Koike, Yasuhiro Manji
Filed: 1 Oct 19
Utility
Organic Wastewater Treatment Method and Organic Wastewater Treatment Device
29 Jan 20
An organic wastewater treatment device includes a biological treatment tank in which biological treatment units are connected in series along a flow of organic wastewater.
Soichiro YATSUGI, Kuniyasu SUZUKI, Hitoshi YANASE, Yukako ISHIHARA
Filed: 3 Oct 19
Utility
Work Machine
22 Jan 20
A work machine includes a cabin, a machine room, a hydraulic oil tank, a partition wall, and a cover member.
Keigo HONDA, Hiroshi IMAMURA, Yusuke HADA, Shunichiro MORI, Shinsuke HISATAKE
Filed: 30 May 19
Utility
Work Machine
22 Jan 20
A work machine includes a hydraulic actuator configured to be driven via hydraulic oil.
Keigo HONDA, Yuji FUKUDA, Takahiro USAMI, Hiroshi FUJIWARA
Filed: 30 May 19
Utility
Tappet
22 Jan 20
Hon Chung WOON, Masayasu TAKAMI
Filed: 25 Jan 18
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
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
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 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