1251 patents
Page 56 of 63
Utility
Hydraulic block
20 Apr 20
A hydraulic block includes multiple pairs of actuator ports connectable to a hydraulic actuator and a discharge oil passage for discharging work oil returned from the hydraulic actuator to the outside.
Seimei Nishikawa, Juzo Okamoto, Yoshiro Takao, Sosuke Miyauchi, Eiji Miyazaki
Filed: 13 Dec 16
Utility
Working machine
20 Apr 20
A working machine includes a vehicle body, a travel apparatus provided to a rear portion of the vehicle body, a fender provided above the travel apparatus, and hydraulic piping that is disposed between the travel apparatus and the fender and that extends from a front-portion side to a rear-portion side of the fender.
Kenichiro Tsuji, Shigeo Sakamoto, Toshimitsu Yazaki, Toshiya Tsuji
Filed: 27 Sep 17
Utility
Riding work vehicle
20 Apr 20
It is contemplated to arrange a plurality of operational levers without inviting complications of the arrangements or enlargement of the vehicle body, intensively for better operability between the driver's seat and one of the right and left rear fenders.
Tomohiro Yoshida, Ayaka Nakabayashi, Daisuke Tomimatsu, Koji Masumoto, Koji Kajino, Isamu Morimoto, Kyosuke Tanaka, Yoshiaki Niimoto, Hiroo Fujimoto, Masatoshi Watanabe, Shinji Kato, Yutaka Inubushi, Tatsuyuki Kashimoto
Filed: 5 Jun 16
Utility
Working Vehicle
15 Apr 20
A working vehicle includes a cabin and an outside air inlet portion.
Guillaume CHAUVEL, Noriyuki KOSHIDA
Filed: 16 Jun 19
Utility
Working Machine
15 Apr 20
A working machine includes a prime mover, a hydraulic pump to be driven by power of the prime mover to output operation fluid, a hydraulic actuator to be actuated by the operation fluid outputted from the hydraulic pump, a first setting member to accept selection of a set revolving speed of the prime mover, a second setting member to accept selection of a set speed of the hydraulic actuator, a revolving speed controller portion to control operation of the prime mover based on the set revolving speed, and a speed controller portion to control operation of the hydraulic actuator based on the set speed.
Hiroshi HORII
Filed: 10 Dec 19
Utility
Belt Tension Adjustment Devive and Working Machine
15 Apr 20
A belt tension adjustment device includes a driving pulley attached to a power transmission shaft, a driven pulley arranged in a driven device, a tension pulley, a loop belt arranged between the driving pulley, the driven pulley, and the tension pulley, and configured to transmit a rotational driving force of the power transmission shaft to the driven device, and a tension adjustment mechanism to adjust tension of the loop belt.
Tomoaki MIYAKE, Shogo TAIRA, Kenichi SAIKI
Filed: 10 Dec 19
Utility
Hydraulic system for work machine
13 Apr 20
A hydraulic system for a work machine includes a prime mover, a setup member, a hydraulic pump, an operation valve, a hydraulic device, and a memory.
Yuji Fukuda, Ryosuke Kinugawa, Kazuyoshi Arii
Filed: 30 Mar 17
Utility
Vehicle having a load carrying deck and attachment device for the same
13 Apr 20
A multi-purpose vehicle includes a seat provided between front wheels and rear wheels, a load carrying deck provided on a rear side of the seat, a right tail lamp provided on a right lower side of a rear portion of the load carrying deck, a left tail lamp provided on a left lower side of the rear portion of the load carrying deck, a right tail lamp guard provided on rear side of the right tail lamp and connected to the load carrying deck, a left tail lamp guard provided on rear side of the left tail lamp and connected to the load carrying deck, and a rear bumper.
Satoko Ueno, Takashi Kuramoto, Junichi Fujiwara, Wataru Sasaki
Filed: 7 May 18
Utility
Exhaust treatment device for diesel engine
13 Apr 20
There is provided an exhaust treatment device for a diesel engine that can prevent unnecessary alarm for ash deposition from being issued.
Katsushi Inoue, Koichi Funaki, Masanori Fujiwara, Tamotsu Kuno, Kentaro Kita, Yuki Yoshita
Filed: 22 Apr 19
Utility
Intake manifold of vertical multicylinder engine
6 Apr 20
There is provided an intake manifold of a multicylinder engine capable of facilitating homogenization of concentration distribution of EGR gas in intake air and distribution of EGR gas into respective cylinders.
Mutsuhisa Ishihara, Yasushi Nakamura
Filed: 31 Aug 15
Utility
Battery pack monitoring system
6 Apr 20
A battery pack monitoring system is provided with: a battery pack that includes a battery unit capable of supplying electric power to an electric-powered work vehicle, and can be attached to and detached from the electric-powered work vehicle; a detection mechanism configured to detect the state inside the battery pack or the state of the environment surrounding the battery pack with the battery pack detached from the electric-powered work vehicle; a detection mechanism power supply that is separate from the battery unit, and is capable of supplying electric power to the detection mechanism; a notification signal output unit configured to output a notification signal based on a result of the detection performed by the detection mechanism; and a notification device configured to perform notification based on the notification signal output by the notification signal output unit.
Hirokazu Ito, Yasuhiro Manji
Filed: 14 Jun 18
Utility
Auto traveling work vehicle
30 Mar 20
An auto traveling work vehicle includes a first control computation section for outputting a first steering value computed for deviation resolution based on a positional deviation between a target traveling path and a self vehicle position, a second control computation section for outputting a second steering value computed for the deviation resolution based on the positional deviation and a directional deviation which is adjusted with using a weight coefficient which provides a progressively decreasing tendency with increase in the positional deviation, a target steering computation section for outputting a target steering value for traveling along the target traveling path based on the first steering value and the second steering value, a steering driving control section configured to input the target steering value and to output a steering driving signal, and a steering driving section for effecting steering of a steerable wheel based on the steering driving signal.
Kenichi Iwami, Shigeki Hayashi
Filed: 29 May 16
Utility
Lawn mower with independent blade control during energy-saving control mode
30 Mar 20
A lawn mower includes: a mower unit having a plurality of blades for performing lawn mowing work, the plurality of blades being driven by rotational power, a blade motor configured to transmit rotational power to each of the plurality of blades, and be capable of optionally changing the rotation number of the rotational power transmitted to each of the plurality of blades; and a controller configured to detect respective speeds of the plurality of blades to the ground and perform energy-saving control of increasing and decreasing the rotation number of the rotational power transmitted to each of the plurality of blades in accordance with increase and reduction in the detected speed of each of the plurality of blades.
Hirokazu Ito, Kazuo Koike, Yoshitomo Fujimoto
Filed: 22 Feb 17
Utility
Work vehicle
30 Mar 20
A work vehicle includes an inverter circuit (42) configured to provide electric current to a traveling motor unit (21, 22) based on an inverter drive signal, a target signal generation unit (51) configured to generate a control target signal for the inverter circuit (42) based on an operation detection signal, an inverter drive signal generation section (41) configured to generate an inverter drive signal based on the control target signal and output the inverter drive signal to the inverter circuit (42), a trouble detection section (53) configured to detect a vehicle trouble based on a state detection signal, and a signal superposition section (56) configured to superpose a pulsatory signal on the control target signal if the trouble detection section (53) detects a vehicle trouble and output a resultant superposed control target signal to the inverter drive signal generation section (41).
Yasuhiro Manji, Katsuhiko Uemura, Kazuaki Matsuda
Filed: 29 Nov 17
Utility
Off-road vehicle and ground management system
30 Mar 20
An off-road vehicle that travels on the off-road ground includes: a sensor group configured to detect unevenness of the ground; a camera configured to capture the unevenness of the ground; a ground unevenness degree calculation unit configured to calculate a ground unevenness degree indicating an unevenness degree of the ground based on an input parameter; an input parameter setting unit configured to set, as the input parameter, data selected from among data detected by the sensor group and image data captured by the camera; an unevenness-position data generation unit configured to associate the actual vehicle position with the ground unevenness degree to generate ground unevenness-position data; and a data storage unit configured to store the ground unevenness-position data.
Kazuyoshi Kawamoto, Akira Tominaga, Yuji Ishii
Filed: 7 Dec 17
Utility
Power source apparatus and work machine having the same
30 Mar 20
A power source apparatus includes a plurality of batteries, a blower having a blowing portion arranged on one side of the batteries, the blower being configured to blow air from the blowing portion, a chassis having an inner space surrounded by a plurality of wall surfaces that include a first wall surface and a second wall surface and storing the batteries in the inner space.
Yoshimitsu Inoue, Yuki Shimoike, Shinichi Kawabata, Masahiko Nomura, Hiroaki Nakagawa
Filed: 21 Dec 17
Utility
Liquid-cooled motor
30 Mar 20
A liquid-cooled motor includes a motor arranged inside a motor case; an internal tube arranged inside the motor case; an external tube arranged outside the motor case; and a supporting member fixed to the motor case to support the internal tube and the external tube and to allow the internal tube and the external tube to be communicated with each other.
Sumio Yagyu, Kazuto Okazaki
Filed: 20 Jun 18
Utility
Cylinder head cooling structure
23 Mar 20
In a cylinder head cooling structure of engine E including a camshaft 15 rotated by a crankshaft 2, a push rod, and an actuatable rocker arm, an injection hole 46 for injecting oil pressurized by an oil pump 44 is formed in a shaft portion 43 between an exhaust cam 36 on the camshaft 15 and a journal 15j at its rear end, and the oil injected the injection hole 46 is allowed to enter a rear cylinder head cover 7 through a pushrod chamber in which the push rod is disposed.
Michisuke Iga, Kiyoharu Kimoto
Filed: 30 Nov 16
Utility
Travel route generation apparatus and method for generating travel route
23 Mar 20
A travel route generation apparatus includes a work field data input interface, a handwriting input interface, a memory, and circuitry.
Kazuo Sakaguchi, Megumi Suzukawa, Sakura Tomita, Yuji Okuyama
Filed: 12 Jun 17
Utility
Hydraulic System for Working Machine
18 Mar 20
A hydraulic system includes a first system discharge fluid tube that discharges fluid flowing through a first supply fluid tube, a second system discharge fluid tube that discharges fluid, a first control valve, and a second control valve connected to a second supply fluid tube, the first system discharge fluid tube, and the second system discharge fluid tube, configured to be switched between: a supply position that supplies fluid from the second supply fluid tube to the first supply fluid tube; a first stop position that stops supply of fluid from the second to the first supply fluid tube and supplies fluid from the first supply fluid tube to the first system discharge fluid tube; and a second stop position that stops supply of fluid from the second to the first supply fluid tube and supplies fluid from the first supply fluid tube to the second system discharge fluid tube.
Yuji FUKUDA
Filed: 10 Sep 19