686 patents
Page 17 of 35
Utility
Working Machiine
17 Feb 22
A working machine includes a first rotation detector to detect a first rotation speed of the left traveling motor, a second rotation detector to detect a second rotation speed of the right traveling motor, and a controller to perform automatic deceleration to automatically reduce the first rotation speed and the second rotation speed both set at respective second speed stages by shifting a speed stage of each of the first rotation speed and the second rotation speed to a first speed stage that is lower than the second speed stage.
Yuji FUKUDA, Kohei NAGAO
Filed: 24 Jun 21
Utility
Working Machine
17 Feb 22
A working machine includes a controller to perform an automatic deceleration operation to automatically decelerate from a second speed to a first speed when a value calculated based on a first traveling pressure, a second traveling pressure, a third traveling pressure, and a fourth traveling pressure becomes equal to or more than a deceleration threshold in a state where a left traveling motor and a right traveling motor are being driven at the second speed.
Yuji FUKUDA, Kohei NAGAO, Ryota HAMAMOTO, Hiroaki NAKAGAWA
Filed: 25 Jun 21
Utility
Working Machine
17 Feb 22
A working machine includes a prime mover, a traveling pump driven by power of the prime mover to deliver hydraulic fluid, a traveling motor rotated by the hydraulic fluid delivered from the traveling pump, an operation valve configured to change a pilot pressure of pilot fluid output therefrom to the traveling pump according to operation of an operation member, an actuation valve to be activated according to a control signal so as to change a primary pressure supplied to the operation valve, a controller to perform setting of the control signal to be output to the actuation valve, and a pressure detection device to detect a secondary pressure output from the operation valve.
Daiki Abe, Yuya Tanabe, Hiroaki Nakagawa, Ryota Hamamoto
Filed: 6 Aug 21
Utility
Working Machine
17 Feb 22
A working machine includes a first traveling fluid line through which operation fluid applied to a first pressure receiving portion when a traveling operation member is operated, a second traveling fluid line through which operation fluid applied to a second pressure receiving portion when the traveling operation member is operated, a third traveling fluid line through which operation fluid applied to a third pressure receiving portion when the traveling operation member is operated, a fourth traveling fluid line through which operation fluid applied to a fourth pressure receiving portion when the traveling operation member is operated, and a controller configured or programed to judge, first, second, third and fourth pilot pressures, whether the traveling operation member is operated in a direction corresponding to any of spin-turn, pivotal-turn and straight-traveling.
Yuji FUKUDA, Kohei NAGAO, Ryota HAMAMOTO, Hiroaki NAKAGAWA, Yoshimitsu TANAKA
Filed: 9 Aug 21
Utility
Working Machine
17 Feb 22
A working machine includes a machine body, a traveling device provided on the machine body, an operation member operable to activate the traveling device, a camera device to capture an image of surroundings of the machine body, a display unit to display the image captured by the camera device, a notification unit to notify a traveling direction of the traveling device, and a controller to control the display unit and the notification unit so that when the operation member is operated to activate the traveling device, the display unit is controlled to display the captured image and the notification unit is controlled to notify the traveling direction.
Yuji FUKUDA, Kohei NAGAO, Ryota HAMAMOTO, Tomoyuki NOGUCHI
Filed: 25 Jun 21
Utility
Working Machine
17 Feb 22
A working machine includes a machine body, an engine provided on the machine body, a radiator to cool a coolant supplied to the engine, a first fan provided on one directional surface side of the radiator, the first fan being rotatable in either one of a first direction to suck external air to an interior of the machine body and a second direction to generate an air flow for discharging air from the interior of the machine body to an exterior of the machine body, and a second fan provided on the other directional surface side of the radiator and configured to be rotated in the second direction.
Ryota HAMAMOTO, Taketo KIMURA, Satoshi TAKAKI
Filed: 5 Aug 21
Utility
Working Machine
17 Feb 22
In a working machine, a traveling pump is driven by a prime mover to rotate a traveling motor by fluid therefrom.
Ryota HAMAMOTO, Kazuki UEDA, Daiki ABE, Kohei NAGAO
Filed: 5 Aug 21
Utility
Working Machine
17 Feb 22
A working machine includes a first traveling fluid passage connected to a first pressure-receiving portion, a second traveling fluid passage connected to a second pressure-receiving portion, a third traveling fluid passage connected to a third pressure-receiving portion, a fourth traveling fluid passage fluidly connected to a fourth pressure-receiving portion, and a connection fluid passage connecting at least two of the first, second, third and fourth pressure-receiving portions to each other.
Yuji FUKUDA, Jun TOMITA, Yuya KONISHI, Fumitaka FUJISAWA, Daiki ABE, Kohei KURACHI, Yudai KOGA, Yuya TANABE
Filed: 9 Aug 21
Utility
Working Machine
17 Feb 22
A working machine includes a prime mover, a hydraulic pump driven by power of the prime mover, a cooler including a cooling fan rotated by either the power of the prime mover or hydraulic fluid delivered from the hydraulic pump, and a controller configured or programmed to perform a reduction control for reducing a target fan rotation speed that is a target rotation speed of the cooling fan in response to reduction of an actual prime mover rotation speed that is an actual rotation speed of the prime mover, and to perform, after the reduction control, a restoration control for restoring the target fan rotation speed.
Daiki ABE, Yuji FUKUDA, Hiroaki NAKAGAWA, Ryota HAMAMOTO
Filed: 6 Aug 21
Utility
Work Vehicle
10 Feb 22
A plurality of traveling wheels are supported via expandable/contractible tubular support members to a vehicle body frame.
Takuya Tamai, Junichi Ishikawa, Minoru Hiraoka
Filed: 12 Dec 19
Utility
Agricultural Field Work Vehicle
3 Feb 22
An agricultural field work vehicle includes a move-off recorder to record, as move-off information, a move-off position or a move-off travel path, the move-off information being information related to the vehicle body having moved off a target travel path while performing agricultural field work during autonomous travel, the move-off position being a position at which the vehicle body moved off the target travel path, the move-off travel path being the target travel path off which the vehicle body moved, and a work return manager to (i) select a resumption travel path based on the move-off information, the resumption travel path being a travel path on which the agricultural field work vehicle, after the vehicle body moved off the target travel path, resumes performing agricultural field work, and (ii) manage a return of the 1vehicle body to the resumption travel path or the move-off position.
Shunya TAKASE, Shinji MISAKI
Filed: 11 Dec 19
Utility
Window Stabilization Mechanism
3 Feb 22
A window stabilization mechanism includes a rail provided on a first cabin frame provided on one side of a window, and has a first end and a second end opposite to the first end in the lengthwise direction of the rail.
Junichi MURAKAMI, Yusuke HADA, Kohei MASUI
Filed: 31 Mar 21
Utility
Work Vehicle
3 Feb 22
A work vehicle includes a vehicle body frame, a cab frame attached to the vehicle body frame so as to be rotatable around a pivot axis, a support provided on the cab frame, a fastener provided on the cab frame and between the support and the pivot axis in a radial direction from the pivot axis, a hydraulic hose, and a hose installation member.
Masaki INAOKA, Yoshihiro EBATA, Shun TSURUTA
Filed: 23 Mar 21
Utility
Exhaust Mechanism and Working Vehicle
3 Feb 22
An exhaust mechanism includes an exhaust pipe, an exhaust port, and a baffle plate.
Taketo KIMURA, Yusuke HADA
Filed: 8 Apr 21
Utility
Heat Insulating Material
3 Feb 22
A heat insulating material includes a central portion to cover a first base or a second base of an exhaust gas purifier of an engine, and a first rectangular portion and a second rectangular portion which have substantially rectangular shapes and which are connected to the central portion substantially symmetrically with respect to a center of the central portion.
Taketo KIMURA, Hayato KAWANO
Filed: 23 Mar 21
Utility
Utility Work Device
27 Jan 22
A utility work device includes a main body section supported by a support and a working section supported by the main body section to perform a work on an object.
Kouhei YAMADA, Keisuke IGARASHI, Kazuyuki TASHIRO
Filed: 23 Dec 19
Utility
Membrane Defect Inspection Method and Membrane Defect Inspection Device
27 Jan 22
A membrane defect inspection method that can detect damage in a filtrate membrane and can detect presence or absence of damage or a seal defect in a membrane module; and the method is for a membrane module set including multiple membrane modules connected under gas detection piping communicating with primary spaces of the multiple membrane modules where raw water is supplied or secondary spaces in multiple membrane modules where treated water is extracted after the raw water is filtrated by membranes.
Keishi WATANABE, Shintaro NISHIMOTO, Tetsuya UENAKA, Fang ZHAO, Akira MATSUNAGA
Filed: 3 Dec 19
Utility
Cast Product Having Alumina Barrier Layer
27 Jan 22
The present invention provides a cast product that can further enhance the stability of a barrier layer and can exhibit further superior oxidation resistance, carburization resistance, nitriding resistance, and corrosion resistance, when used under a high-temperature atmosphere, the cast product having a surface with a barrier layer comprising an Al-containing metal oxide expressed in (Al(1-x)M(x))2O3, where M is at least one of Cr, Ni, Si, and Fe, wherein the Al-containing metal oxide includes a solid solution of at least one of Cr, Ni, Si, and Fe with Al, in a relationship of Al/(Cr+Ni+Si+Fe)≥2.0 in an atomic % ratio, the barrier layer being composed of two layers consisting of a first Al-containing metal oxide layer and a second Al-containing metal oxide layer formed between the surface of the cast product and the first Al-containing metal oxide layer, and the second Al-containing metal oxide layer being greater than the first Al-containing metal oxide layer with respect to the atomic % ratio of Al/(Cr+Ni+Si+Fe), and having a thickness that is at least one fifth of a thickness of the barrier layer.
KUNIHIDE HASHIMOTO, SHINICHI URAMARU
Filed: 4 Oct 21
Utility
Lift Arm Lifting and Lowering Mechanism
27 Jan 22
A lift arm lifting and lowering mechanism cylinder case provided with a cylinder portion into which oil is fed, a piston slidable inside the cylinder portion to define a hydraulic chamber and receiving hydraulic pressure of the hydraulic chamber on a front surface, a safety valve provided to the piston to discharge the oil inside the hydraulic chamber to the outside when the hydraulic pressure of the hydraulic chamber becomes greater than or equal to a predetermined value, and a lift arm supported by the cylinder case and rotatable in conjunction with movement of the piston, in which the piston includes an oil passage allowing communication between a rear surface of the piston and the front surface, and the oil passage includes a containing portion provided to open on the axially front surface side and capable of containing the safety valve, and a non-containing portion provided on the axially rear surface side relative to the containing portion and incapable of containing the safety valve.
Shinichiro MATSUDA, Daisuke MIYAZAKI
Filed: 18 Nov 19
Utility
Working Machine
20 Jan 22
A working machine includes a rear machine body on which an operator's seat is mounted, a front machine body to which a working tool is attached, a center shaft having a first axis extending in a fore-and-aft direction, a first supporting part supporting the center shaft rotatably relative to the rear machine body around the first axis, a coupling shaft having a second axis extending in a vertical direction and connected to the front machine body, and a second supporting part supporting the center shaft rotatably relative to the coupling shaft relative to the second axis.
Teruhiko IWAMOTO, Kunihiro SUZUKI, Hitoshi ONO, Yukiya CHIBA, Tetsuji MATSUSHITA
Filed: 28 Sep 21