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Patent Searching and Data


Matches 1 - 50 out of 54,272

Document Document Title
WO/2019/078091A1
This hydraulic shovel drive system is provided with: a control valve for a cylinder which causes a swinging portion to swing; an operating device which outputs an operation signal in accordance with an angle of inclination of an operatin...  
WO/2019/076425A1
The invention relates to a closable bucket assembly (3) for a working machine (1) comprising: a first part (50), a second part (60) and a ground engaging edge (70, 70') for engaging and penetrating a material (91). The ground engaging ed...  
WO/2019/078973A1
A machine system and method are disclosed to generally prevent the tire slip of a machine (200) conducting work. The machine system utilizes a controller (106) in operable communication with a lift cylinder (130) and lift cylinder pressu...  
WO/2019/077847A1
A pair of rear side-face windows (4S) in a cab (10) extend from a pair of rearmost pillars (2R), respectively, toward the rear. A rear-face window (4R) is connected to each of the pair of rear side-face windows (4S) and is positioned fur...  
WO/2019/078077A1
Provided is a shovel capable of suppressing amplification of vibration of a shovel body even when hand hunting occurs. To achieve this, the shovel is provided with: a boom cylinder 7 and an arm cylinder 8 serving as hydraulic actuators; ...  
WO/2019/074301A1
A hydraulic system for increasing the operation speed of a construction machinery boom comprises: a boom cylinder for operating a construction machinery boom; a main control valve having a boom control spool for selectively supplying hyd...  
WO/2019/072652A1
Bucket (10) for an earth-working or materials-handling machine, which comprises a floor (11) and a side wall (16), and at least one wear component (18) that is removably attached to the floor (11) and the side wall (16) by means of at le...  
WO/2019/073827A1
A wheel loader (1) comprises a work machine (5) that is mounted on a vehicle body (2), a control lever (CL) for operating the work machine (5), a controller (25) that drives the work machine at a drive speed according to the amount the c...  
WO/2019/069612A1
A first hydraulic circuit (50a) guides hydraulic fluid from a hydraulic pump (34a) to a hydraulic motor (22L) and a first actuator (e.g., a first work machine (86)). A second hydraulic circuit (50b) guides hydraulic fluid from a hydrauli...  
WO/2019/068333A1
The invention relates to a working machine (1) having an attachment device (28, 28'), and an attachment device carrying equipment (26, 26') enabling detachment and attachment of the attachment device. The working machine further comprise...  
WO/2019/069947A1
In the present invention, a machine-to-be-loaded information acquisition unit acquires position information and azimuth information of a transport vehicle. A soil removal position specification unit specifies, on the basis of the positio...  
WO/2019/027402A3
The invention relates to a position adjustment mechanism (100) that controls the mechanisms of construction equipment, said mechanism comprising of a control console (1), a base support (4), and a body (3) that is movable relative to sai...  
WO/2019/069996A1
A work system comprises: an operation device that transmits an operation signal; a work machine that operates on the basis of the operation signal; and a transport vehicle that outputs a travel control signal when a fault occurs in commu...  
WO/2019/069983A1
A control device that controls a work vehicle comprising a work machine comprises: a path acquisition unit that acquires a travel path of a transport vehicle; an area-setting unit that sets a limit area for limiting the entry of the work...  
WO/2019/069974A1
A working vehicle provided with an imaging device for capturing an image in which an object to be worked on is shown, an image transmission unit for transmitting the image captured by the imaging device to a control device, an operation ...  
WO/2019/069975A1
A work machine control device that controls a work machine provided with: a turning body; and a working machine that includes a bucket attached to the turning body, the work machine control device comprising a transport vehicle informati...  
WO/2019/069848A1
A controller (8) defines a value W0b of the load in a bucket (3c) at a basic posture of a work machine (3) as a reference value, and acquires as comparative values the values W0a, W0c of loads in the bucket (3c) at postures differing fro...  
WO/2019/064581A1
A construction machine inspection assistance system which has a camera 416 and a display 414 and acquires construction machine image data to be inserted into an inspection report, said construction machine inspection assistance system be...  
WO/2019/064527A1
Provided is a wheel loader capable of suppressing a sudden change in vehicle speed associated with an erroneous determination of a lifting operation of a lift arm. This wheel loader 1 comprises: an engine 3; a variable-capacity HST pump ...  
WO/2019/064555A1
In a hydraulic drive device of a work machine configured to perform load sensing control and provided with a hydraulic energy recovery device 80 that stores in an accumulator 40 the hydraulic oil that returns from a hydraulic cylinder 3a...  
WO/2019/065122A1
Provided is a wheel loader capable of suppressing fuel consumption by shortening the travel distance necessary for a raising/running operation. This wheel loader 1 comprises: an engine 3; a torque converter 41; an advance/reverse changeo...  
WO/2019/065123A1
Provided is a wheel loader capable of suppressing a sudden change in vehicle speed associated with an erroneous determination of a lifting operation of a lift arm. This wheel loader 1 comprises: an engine 3; a variable-capacity HST pump ...  
WO/2019/066025A1
A controller (25) executes an automatic drive control to automatically tilt a bucket (4) to a prescribed tilt position when an operation lever (CL) is operated by at least a first tilt operation amount (P1) toward a tilt side, and to cau...  
WO/2019/064557A1
Provided is a construction machine that can prevent lowering of a vehicle because a blade is not placed in a floating state even when an operator has performed an erroneous operation if the vehicle is in a jacked-up state and that can pl...  
WO/2019/064666A1
A hydraulic shovel (1) comprising a controller (21) having a load arithmetic unit (52) to calculate the load of a work object on the basis of the thrust information for a boom cylinder (16) while the work object is being transported by a...  
WO/2019/064665A1
The purpose of the invention is to provide a work machine installed with a semi-automatic control to assist controller operation with work to excavate ground according to a designed surface, wherein the work machine can assist in control...  
WO/2019/065391A1
Provided is a wheel loader that can accurately calculate the carrying load of a bucket from the pressure of a lifting arm cylinder. A control device (30): calculates, with a bucket (3) being in an unloaded state, an unloaded moment (M0) ...  
WO/2019/065121A1
Provided is a work vehicle in which the clogging of a radiator can be eliminated appropriately, and in which the durability of components, such as a hydraulic pump, constituting a hydraulic circuit can be improved. This work vehicle comp...  
WO/2019/063654A1
This system comprises: - an oscillating chassis (10) suitable for being linked to an axle (6) of a vehicle (1); - two cylinders (11, 12), referred to hereinafter as "compensation cylinders", linking the oscillating chassis (10) to the ma...  
WO/2019/065657A1
A main controller 28, which performs an automatic stop control that stops an engine when a predetermined automatic stop condition is satisfied, has an electric equipment power source control process unit 283 that controls the power suppl...  
WO/2019/065809A1
This display control device is provided with: an image receiving unit which receives an image captured by an image capturing device provided in a working machine; and a display control unit which processes the image on the basis of a mov...  
WO/2019/065907A1
A work vehicle comprises: a change object, which is an object in which a known change occurs to the external appearance thereof in each prescribed amount of time; an imaging device that captures an image of the range in which the change ...  
WO/2019/064715A1
Provided is a hydraulic system that can improve the acceleration of a swing motor (41) and control against increases in the flow rate of a hydraulic fluid supplied to the swing motor (41). The hydraulic system comprises a swing speed sen...  
WO/2019/064688A1
When simultaneously driving a turning motor and a boom cylinder, this hydraulic drive device enables optimally adjusting hydraulic pump torque distribution and enables feeding the torque actually consumed in a turning motor-driving hydra...  
WO/2019/064517A1
A cover mount bracket (16) is provided on the upper side of a left weight (11) and a right weight (12) that constitute a counterweight (10). The cover mount bracket (16) is formed as a U-shaped frame opened on the counterweight (10) side...  
WO/2019/065925A1
The present invention provides a technique for efficiently using energy when simultaneously performing a revolving operation and a boom raising operation. In a specific state in which hydraulic oil is supplied from a first hydraulic pump...  
WO/2019/060408A1
In one aspect, a method for adjusting torque limits for a work vehicle may include controlling, with a computing device, an operation of an engine of the work vehicle such that a torque output of the engine is maintained at or below a ba...  
WO/2019/060136A1
A closed-loop hydraulic circuit (164) associated with a swing mechanism (105) of a machine is controlled to obtain both a pressure control during acceleration and deceleration of the swing mechanism (105) and a velocity control during co...  
WO/2019/058814A1
A control valve (IB) is provided with: a valve body (151) having supply passages (161a, b), load pressure passages (162a, b), and a discharge passage (163); and a spool (153). The load pressure passage (162a) has connected thereto a pres...  
WO/2019/058695A1
A hydraulic shovel (1) comprising a controller (40) that has a notification control unit (374) to control whether to report operation assistance information on the basis of the distance of a work machine (1A) to a prescribed target face ...  
WO/2019/058763A1
In the present invention, a revolving work vehicle is provided with a locking mechanism (70). The locking mechanism (70) is provided with a hydraulic cylinder, a transmission unit (72), and a lock plate (78). The transmission unit (72) t...  
WO/2019/058616A1
A work arm for work machinery comprises a box-type structure 21 configured from a plurality of plate members, a pair of bosses 30 mounted to opposing plate members 22, and a cylindrical boss connection member 42 connecting the pair of bo...  
WO/2019/058741A1
According to the present invention, an engine cooling system (22) includes an engine (11), an engine cooling pipeline (23), an engine water pump (24), and an engine radiator (25). A power storage device cooling system (27) includes a pow...  
WO/2019/059383A1
A hydraulic shovel (1) comprises a controller (21) that: performs a first determination for determining, on the basis of the posture of a working machine (12), whether a work object has been loaded by the hydraulic shovel onto a dump tru...  
WO/2019/058899A1
During implementation of a turning operation corresponding to operation of one of a right turning lever (83c) and a left turning lever (83d), a control unit (8) of the bulldozer (1) disables operation of the other turning lever.  
WO/2019/058622A1
According to the present invention, a hydraulic shovel 1 is provided with an informationized construction controller 60 that performs a machine control allowing a front work machine to operate on the basis of detection results of attitud...  
WO/2019/054161A1
Provided is work machinery that can operate a front work machine at a speed corresponding to operator's lever manipulation while ensuring operating accuracy with machine control. The hydraulic shovel 1 comprises a controller 20 that sets...  
WO/2019/054003A1
This display system comprises: an object image-generating unit which generates an object image indicating a virtual viewpoint image of an object viewed from a virtual viewpoint on the outside of the construction machinery, on the basis o...  
WO/2019/053936A1
Provided is a work machine which, within the limit of not harming dynamic stability, can perform work using the impact generated when a cylinder driving a work front collides with a stroke-end. According to the present invention, a drive...  
WO/2019/054049A1
According to the present invention, upper ends of a pair of leg parts (15a) are connected by a connection part (15b), arc-shaped curved parts (15c) are formed between the connection part (15b) and respective leg parts (15a) to constitute...  

Matches 1 - 50 out of 54,272