1251 patents
Page 34 of 63
Utility
Port Injection Engine
25 Nov 21
A port injection engine, in which injected fuel readily vaporizes inside suction ports, includes: a suction port; a suction valve; and a port injector that injects fuel to an inner peripheral surface of the suction port.
Kosuke AOKI, Michisuke IGA
Filed: 19 May 21
Utility
Hydraulic system for working machine
23 Nov 21
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: 11 Sep 19
Utility
Battery Unit
18 Nov 21
A battery unit includes a positive relay switch, a negative relay switch, a first resistor disposed in a third wiring portion extending between a positive external terminal and a negative external terminal, a second resistor serially connected to a portion on more negative side than the first resistor, a third resistor disposed in a second wiring portion and connected in parallel with the negative relay switch, a potential difference detection section capable of detecting a first potential difference which is a potential difference between the portion of the third wiring portion on more negative side than the first resistor and a negative terminal and a failure determination section for determining a failure of the positive relay switch and the negative relay switch respectively, based on the first potential difference.
Hirokazu Ito, Tomohiko Hisakuni
Filed: 11 Nov 20
Design
Lever grip for a working machine
16 Nov 21
Gen Futagami
Filed: 17 Jun 20
Utility
Flow rate control valve
16 Nov 21
A flow rate control valve includes a first flow line to connect to a first fluid line connected to a hydraulic actuator, a second flow line to connect to a second fluid line connected to the hydraulic actuator, a third flow line to connect to a third fluid line connected to a hydraulic pump, a fourth flow line to connect to an operation fluid tank or a fourth fluid line connected to a suction portion of the hydraulic pump, a fifth flow line to connect a first control valve and a second control valve, and a spool including a first connecting portion being configured to connect the first flow line and the third flow line at a first position and to connect the first flow line and the fifth flow line at a second position.
Yuji Fukuda, Yoshimitsu Tanaka, Yasushi Otagaki
Filed: 17 Nov 20
Utility
Electric Work Vehicle and Mower Unit
11 Nov 21
An electric work vehicle includes: a battery accommodating portion that is provided in the vehicle body and accommodates a battery; a first connector provided on the battery accommodating portion; a second connector provided on the battery; and an operating tool for moving the battery and the second connector, and switching from a pre-attachment orientation in which the second connector opposes the first connector to an attachment orientation in which the second connector is joined to the first connector.
Katsuhiko Uemura, Hirokazu Ito, Kazuaki Matsuda, Yasuhiro Manji
Filed: 21 Jul 21
Utility
Dehydrogenation Catalyst
11 Nov 21
Provided is a dehydrogenating catalyst that is capable of preventing or reducing coking and improving the yield of an olefin in a pyrolysis reaction of a hydrocarbon raw material.
Shun Maeda, Kunihide Hashimoto, Yasushi Sekine
Filed: 3 Dec 19
Utility
Electric Work Vehicle
11 Nov 21
An electric work vehicle includes a battery container provided in a traveling vehicle body and including a guiding unit, and a battery pack removably attached to the battery container and including a guided unit.
Hirokazu Ito, Kazuo Koike, Yasuhiro Manji
Filed: 17 Jun 21
Utility
Combine, method of generating field farming map, program for generating the field farming map and storage medium recording the field farming map generating program
9 Nov 21
Need exists for information management technique that allows utilization of collapsed grain culms detection for a future farming plan.
Mao Kitahara, Kazuhiro Takahara
Filed: 22 Jun 18
Utility
Front loader and work machine
9 Nov 21
A front loader includes a boom, a main frame attached to a vehicle body, a sub frame supporting the boom and being detachably attached to the main frame.
Robert Stewart Boyd, Erik Baker
Filed: 23 Oct 20
Utility
Control method for hydraulic system in work machine
9 Nov 21
A hydraulic system for a work machine includes a travel hydraulic device which changes a travel speed in accordance with switching positions of a hydraulic switch valve.
Yuji Fukuda, Daiki Abe, Jun Tomita, Yuya Konishi, Ryosuke Kinugawa
Filed: 15 Apr 20
Utility
Travel route generation device and method for generating travel route for field work vehicle
9 Nov 21
A travel route generation device for a field work vehicle includes a memory and circuitry.
Yasuhisa Uoya, Izuru Shimamoto, Kenji Tamatani, Megumi Suzukawa, Atsushi Shinkai, Kazuo Sakaguchi
Filed: 14 Dec 17
Utility
Work-vehicle position measurement system, work vehicle, and work-vehicle position measurement method
9 Nov 21
A work-vehicle position measurement system includes a reference station and a work vehicle.
Atsushi Shinkai, Kazuo Sakaguchi, Izuru Shimamoto, Kenji Tamatani, Megumi Suzukawa, Akisato Hori
Filed: 20 Dec 17
Utility
Tractor, Travel Power Transmission Apparatus for a Tractor, and Tractor Provided With the Travel Power Transmission Apparatus for a Tractor
4 Nov 21
Regarding a travel power transmission apparatus for a tractor, in which a creep speed changing apparatus is housed in a transmission case, the present invention increases a deceleration ratio throughout the creep speed change while suppressing an increase in the size of the transmission case.
Yasuyuki OKA
Filed: 2 Sep 19
Utility
Grass mower tilt detection
2 Nov 21
A grass mower includes a frame that extends in a front/rear direction of a machine body, a mower deck supported to/under the frame, the mower deck extending in a transverse direction of the machine body, a side edge of the mower deck protruding laterally from the machine body, a tilt detector for detecting a rolling angle of the machine body, a display device for displaying the rolling angle, a first informing device for effecting a first informing for calling attention to grass scraping by the side edge when a rolling angle detected by the tilt detector exceeds a first tilt angle and a second informing device for effecting a second informing for calling attention to traveling danger when the rolling angle detected by the tilt detector exceeds a second tilt angle.
Hideki Aoki, Akira Minoura
Filed: 18 Dec 18
Utility
Vehicle with maximum vehicle speed setting unit
2 Nov 21
A vehicle includes a body holding device configured to hold the body of a seated driver; a travel control unit configured to drive the vehicle body so that it travels; and a maximum vehicle speed setting unit configured to set a set maximum vehicle speed.
Hiroki Bessho, Takeshi Satozono, Noriyasu Honjo
Filed: 8 Dec 17
Utility
Work vehicle having a hydraulic circuit
2 Nov 21
A work vehicle includes a bypass passage formed in an operational valve of a dump cylinder and configured to feed pressure oil from a hydraulic pump to a power steering device when the operational valve is under a neutral state and an oil feeding passage equipped with an orifice, the orifice-equipped oil feeding passage being configured to feed the pressure oil from the hydraulic pump to a rod side oil chamber of the dump cylinder when the operational valve is under the neutral state.
Masaru Nakaji, Takeshi Tsuchiya
Filed: 25 Nov 19
Utility
Tube body that is to be used in high-temperature atmosphere and method for forming metal oxide layer on inner surface of tube body
2 Nov 21
The present invention provides a tube body that is to be used in a high-temperature atmosphere and a method for stably forming a metal oxide layer on an inner surface of the tube body at a high area percentage wherein the tube body is constituted by a heat-resistant alloy containing Cr in an amount of 15 mass % or more and Ni in an amount of 18 mass % or more, so that the inner surface has an arithmetic average roughness (Sa) of three-dimensional surface roughness that satisfies 1.5 μm≤Sa≤5.0 μm and a skewness (Ssk) of a surface height distribution that satisfies |Ssk|≤0.30, wherein the heat-resistant alloy may contain Al in an amount of 2.0 mass % or more and the inner surface may have a kurtosis (Sku) of a surface height distribution of the three-dimensional surface roughness that satisfies Sku≥2.5.
Motoyuki Matsubara, Kunihide Hashimoto, Hiroshi Yamaguchi, Masayuki Tomita
Filed: 4 Oct 17
Utility
Steel Product for Use In Contact with Steel Material
28 Oct 21
The present invention provides a steel product that has excellent oxidation resistance on a surface thereof that is to come into contact with a steel material and that also has excellent weldability.
Kunihide HASHIMOTO, Yohei ENJO
Filed: 23 Aug 18
Utility
Working Vehicle
28 Oct 21
A working vehicle includes a vehicle body, a cabin on the vehicle body, a clutch pedal in the cabin, a clutch on the vehicle body, a clutch operator to engage and disengage the clutch, a linkage including first and second ends, the first end being connected to the clutch operator, and a linkage lock to interlock the clutch pedal with the second end of the linkage so that vibrations of the cabin are reduced or prevented from being transmitted to the clutch.
Takuya TANIGAWA, Kenichi AOYAMA, Michitaka TANAKA, Hitoshi OMACHI, Megumi SAWAI, Daisuke INABA
Filed: 21 Apr 21