525 patents
Page 23 of 27
Utility
Oil cooling structure of engine
1 Jun 20
An oil cooling structure of an engine is provided that is capable of enhancing cooling performance of oil while preventing an increase in number of components or an increase in required space from being involved as much as possible.
Hiroki Oso, Hideyuki Koyama, Hideyuki Goto, Takahiro Yamazaki, Kentaro Nagai, Takashi Yamaguchi, Rina Kaneko
Filed: 8 Jun 17
Utility
Cooling control system for working machine and the working machine
1 Jun 20
A cooling control system includes a prime mover, a fan to be rotated under rotational power of an output shaft of the prime mover, a housing to which the fan is attached, a rotor to be rotated under rotational power of the prime mover, the rotor and the housing, under the agency of a fluid, rotating together, a fluid setting circuit to determine an injection quantity of the fluid to be introduced into the gap, a fan rotation detection device to detect a fan actual rotation speed, a target rotation obtaining circuit to obtain a fan target rotation speed.
Nozomu Minagawa
Filed: 21 Jun 18
Utility
Water cooled engine
1 Jun 20
A water cooled engine is provided, including a cylinder head with minimized thermal strain.
Satoshi Sugimoto, Yusuke Komemushi, Naoki Wada
Filed: 23 May 18
Utility
License plate support mechanism and work vehicle equipped with license plate support mechanism
25 May 20
A license plate support mechanism is equipped with an attachment portion to which a license plate can be attached, a fixation portion fixating the attachment portion to a vehicle body, and a switching mechanism.
Kenichiro Tsuji, Shigeo Sakamoto
Filed: 24 Jun 18
Utility
Casting mold supporting structure
25 May 20
A casting mold supporting structure is provided herein which includes a support roller for supporting a part of a casting mold that is used in centrifugal casting.
Takayuki Abe, Hiroshi Inaba, Atsushi Shibaki, Kazuhiro Yamato
Filed: 1 Jan 19
Utility
Hydraulic system for working machine
25 May 20
A hydraulic system includes a hydraulic actuator to be operated by an operation fluid, a first hydraulic pump to output the operation fluid, a second hydraulic pump to output the operation fluid, a control valve to which the operation fluid outputted from the first hydraulic pump is supplied, the control valve being configured to control the operation fluid that is to be supplied to the hydraulic actuator, a first fluid tube connecting the control valve to the hydraulic actuator, a second fluid tube to which the operation fluid outputted from the second hydraulic pump is supplied, the second fluid tube being connected to the first fluid tube, and a first switching valve disposed on the second fluid tube.
Yuji Fukuda, Keigo Honda
Filed: 25 Dec 17
Utility
Hydraulic system in work machine
25 May 20
A hydraulic system in of a work machine includes a hydraulic pump to supply pilot hydraulic oil in a hydraulic oil reservoir.
Yuji Fukuda
Filed: 19 Jun 18
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
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
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 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
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
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
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