#KOMATSU LTD.

State estimation system, dump truck, and state estimation method

A state estimation system of a dump truck including an engine and a dump body that includes a flow path through which exhaust gas discharged from the engine flows and on which a load is loaded include…

DRIVE·Jun 16·1 min read

G07C5/0825 KOMATSU LTD.

WORK MACHINE AND METHOD FOR CONTROLLING WORK MACHINE

A work machine includes a drive source, a transmission, a travel device, a brake device, and a controller. The transmission is connected to the drive source. The travel device is connected to the tran…

DRIVE·Jun 4·1 min read

E02F9/2083 KOMATSU LTD.

WORK MACHINE ACTIVATION SYSTEM AND METHOD OF ACTIVATING WORK MACHINE

A work machine activation system includes a management device and an authentication device. The management device stores authentication information usable to authenticate a plurality of operators who …

DRIVE·Nov 14·1 min read

B60R25/24 KOMATSU LTD.

WORK MACHINE

A work machine where a plurality of exhaust treatment devices can appropriately be arranged is provided. The work machine includes an engine (), a first exhaust treatment device () that treats exhaust…

DRIVE·Jun 20·1 min read

F01N13/1805 KOMATSU LTD.

POSITION ESTIMATING SYSTEM, POSITION ESTIMATING UNIT, WORK MACHINE, AND EXTENSION UNIT

A position estimating system includes a first posture detector disposed in a linkage mechanism, and a controller that estimates information regarding the position of a bucket with respect to a work ma…

DRIVE·May 16·2 min read

E02F9/264 KOMATSU LTD.

WORK MACHINE AND METHOD FOR CALCULATING DEGREE OF INCLINATION OF WORK MACHINE

A work machine includes a body, a work implement, and a controller. The body includes a frame to which the work implement is attached, an operator's cab, and a plurality of liquid-sealed mounts that a…

DRIVE·May 16·1 min read

E02F9/24 KOMATSU LTD.

WORK VEHICLE

A work vehicle includes a vehicle body frame, a cab disposed on an upper side of the vehicle body frame, brackets connected to the cab, limiting sections and buffering devices. The limiting sections a…

DRIVE·Mar 28·1 min read

B62D33/0604 KOMATSU LTD.

WHEEL LOADER AND METHOD FOR CONTROLLING WHEEL LOADER

A wheel loader includes: a front frame; a bucket; a boom having a distal end connected to bucket, and a proximal end rotatably supported by front frame; a sensor configured to measure a distance betwe…

DRIVE·Aug 17·1 min read

E02F3/431 KOMATSU LTD.

WORK VEHICLE AND METHOD FOR CONTROLLING WORK VEHICLE

When an inclination angle is greater than or equal to a first threshold, a controller determines a displacement of a hydraulic pump from a command vehicle speed based on second pump data and determine…

DRIVE·Feb 23·1 min read

E02F9/2253 KOMATSU LTD.

WORK MACHINE

An oil cooler is disposed on the vehicle body and includes a fan that creates an air flow and a housing that houses the fan. The housing has a first side surface which is disposed on the upstream side…

DRIVE·Jan 26·2 min read

E02F9/0866 KOMATSU LTD.

POWER TRANSMISSION DEVICE AND POWER TRANSMISSION METHOD

A power transmission device includes a torque converter device, a first hydraulic pump, a first oil channel, a second oil channel, a third oil channel, a second pressure control valve, and a controlle…

DRIVE·Jan 19·1 min read

F16H61/143 KOMATSU LTD.

WORK MACHINE DISPLAY SYSTEM AND WORK MACHINE DISPLAY METHOD

A work machine display system includes an image acquisition unit and a display control unit. The image acquisition unit acquires a captured image in which surroundings of a work machine are portrayed.…

DRIVE·Oct 13·1 min read

E02F9/261 KOMATSU LTD.

SYSTEM COMPRISING WORK MACHINE, AND WORK MACHINE

An image clearly displaying a work machine is easily obtained. A posture data generation unit estimates a posture of a work implement with respect to the body of the work machine in a captured image d…

DRIVE·Sep 29·1 min read

E02F9/264 KOMATSU LTD.

MOTOR GRADER

A motor grader in which a motive power source of an electric motor can appropriately be arranged is provided. The motor grader includes a front frame, a rear frame, and a coupling shaft. The rear fram…

DRIVE·Sep 15·1 min read

B60K1/04 KOMATSU LTD.

WORK MACHINE

Tipping over of a work machine is prevented. The work machine includes: a vehicular body; a rear axle attached to the vehicular body to be capable of undergoing a roll motion with respect to an axis e…

DRIVE·Aug 18·1 min read

E02F9/028 KOMATSU LTD.

WORK VEHICLE

A wheel loader representing a work vehicle includes an operator's seat, an armrest, and a seat operation portion. The armrest is provided lateral to the operator's seat. The seat operation portion con…

DRIVE·Apr 21·1 min read

B60N2/797 KOMATSU LTD.

WORK MACHINE AND METHOD FOR CONTROLLING WORK MACHINE

A work machine includes an engine, a travel drive system, a work implement, an apparatus drive system with a hydraulic pump, an accelerator operating member, a work implement operating member, and a c…

DRIVE·Mar 24·1 min read

E02F9/2253 KOMATSU LTD.

WORK VEHICLE, CONTROL DEVICE FOR WORK VEHICLE, AND CONTROL METHOD FOR WORK VEHICLE

A work vehicle controls an engine output based on an accelerator operation amount and a work equipment operation amount. A control device for the work vehicle includes an acceleration correction unit,…

DRIVE·Mar 24·1 min read

E02F9/2253 KOMATSU LTD.

WORK VEHICLE, CONTROL DEVICE OF WORK VEHICLE, AND CONTROL METHOD OF WORK VEHICLE

A control device of a work vehicle includes a braking force function determination unit and a required braking force function determination unit. The braking force function determination unit determin…

DRIVE·Mar 10·2 min read

E02F9/2083 KOMATSU LTD.

WORK MACHINE AND METHOD FOR CONTROLLING WORK MACHINE

A work machine includes an engine, a transmission connected to the engine to change a transmission gear ratio continuously, a travel device connected to the transmission to cause the work machine to t…

DRIVE·Mar 3·1 min read

B60W30/188 KOMATSU LTD.

CONTROL SYSTEM FOR WORK MACHINE

A work machine includes a work implement and a vehicle body including a first vehicle body portion, a mount attached to the first vehicle body portion, and a second vehicle body portion supported on t…

DRIVE·Mar 3·2 min read

G01C11/06 KOMATSU LTD.

TRANSMISSION AND WORK VEHICLE

A transmission includes an input shaft, an output shaft, a first planetary gear mechanism, a second planetary gear mechanism, and a first variable device. The first planetary gear mechanism includes a…

DRIVE·Jan 13·1 min read

F16H3/72 KOMATSU LTD.

SYSTEM AND METHOD FOR WORK MACHINE

A system includes a processor and a display. The processor acquires shape data indicative of a shape of the surroundings in a traveling direction of a work machine. The processor generates a guide lin…

DRIVE·Dec 30·1 min read

E02F9/262 KOMATSU LTD.

SYSTEM AND METHOD FOR WORK MACHINE

A system includes a processor and a display. A plurality of cameras capture surroundings images of a work machine. The processor acquires image data indicative of the surroundings images. The processo…

DRIVE·Dec 23·1 min read

E02F9/261 KOMATSU LTD.

SYSTEM AND METHOD FOR WORK MACHINE

A system includes a processor and a display. A work machine includes a vehicle body and a work implement attached to the vehicle body. A camera captures a surroundings image in a traveling direction o…

DRIVE·Dec 16·1 min read

E02F9/261 KOMATSU LTD.

SYSTEM AND METHOD FOR PLANNING TRAVEL PATH FOR WORK MACHINE, AND WORK MACHINE

A controller obtains topographical data indicative of the topography of a work site. The controller obtains material data indicative of the position of a material. The controller computes an evaluatio…

DRIVE·Nov 25·1 min read

E02F9/2045 KOMATSU LTD.

CAB FOR WORK VEHICLE AND WORK VEHICLE

An operator seat is arranged in a cab. An air-conditioning unit is arranged in front of the operator seat. A lower window through which the outside can be seen from the inside of the cab is arranged i…

DRIVE·Nov 18·1 min read

B62D33/0617 KOMATSU LTD.

WORK VEHICLE

A wheel loader representing a work vehicle includes an operator's seat, a console, and an armrest. The console includes an operation portion. The console is provided lateral to the operator's seat. Th…

DRIVE·Nov 4·1 min read

E02F9/2004 KOMATSU LTD.

DISPLAY CONTROL DEVICE FOR WORK MACHINE, WORK MACHINE, AND DISPLAY CONTROL METHOD FOR WORK MACHINE

A control line determinator determines whether or not a work state of a work implement is a predetermined work state. A display controller generates a display signal including a target surface of a co…

DRIVE·Oct 28·1 min read

E02F9/261 KOMATSU LTD.

DISPLAY CONTROL SYSTEM AND DISPLAY CONTROL METHOD

A work vehicle includes work equipment having a work tool and a support member supporting the work tool. A display control system controls a display device provided outside the work vehicle. The displ…

DRIVE·Sep 23·1 min read

B60R1/00 KOMATSU LTD.

DISPLAY SYSTEM FOR WORK MACHINE

An amount of information of data of a captured image displayed on a display unit is increased. A display control unit sets a plurality of divided display sections for a display unit. The display contr…

DRIVE·Aug 12·1 min read

E02F9/26 KOMATSU LTD.

WORK VEHICLE

A work vehicle includes: a cab to be boarded by an operator, the cab including a roof; and a first antenna mounted on the roof. The first antenna is positioned selectively at one of a position lower t…

DRIVE·Jul 29·1 min read

E02F9/16 KOMATSU LTD.

SYSTEM INCLUDING CONVEYANCE VEHICLE AND WORK MACIHNE THAT LOADS MATERIALS ONTO CONVEYANCE VEHICLE, METHOD AND WORK MACHINE

A system includes a conveyance vehicle, and a work machine that loads materials onto the conveyance vehicle. A first processor of a work machine determines a target stop position of a conveyance vehic…

DRIVE·Jun 3·1 min read

G05D1/0214 KOMATSU LTD.

WORK VEHICLE AND CONTROL METHOD FOR WORK VEHICLE

A work vehicle includes an engine, a hydrostatic transmission, a work implement pump driven by the engine, a work implement driven by hydraulic fluid discharged from the work implement pump, an accele…

DRIVE·May 6·1 min read

E02F9/2246 KOMATSU LTD.

WORK VEHICLE AND WORK VEHICLE CONTROL METHOD

A state display section of a work vehicle is configured to display whether an electricity storage apparatus is in an electricity charging or discharging state. A state determination unit is configured…

DRIVE·May 26·2 min read

B60L3/12 KOMATSU LTD.

WORK VEHICLE

A hydraulic oil supply circuit of a work vehicle is configured to supply hydraulic oil to a transmission. A hydraulic oil warming circuit is configured to warm up the hydraulic oil. A control unit is …

DRIVE·May 26·1 min read

B60W30/18 KOMATSU LTD.

CAB FOR WORK VEHICLE AND WORK VEHICLE

A center pillar () has a pipe structure having a hollow space (). In the center pillar (), a lower end opening () for connecting the hollow space () to an outdoor space and an upper end opening () for…

DRIVE·Nov 12·1 min read

B62D33/0617 KOMATSU LTD.