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Matches 451 - 500 out of 3,127

Document Document Title
JP2018076888A
To provide a hydraulic actuator system, a fluid valve, and a steam turbine capable of suddenly closing a fluid valve body in a short time.A hydraulic actuator system comprises: a hydraulic pump 35 provided in a pipe line 33 connecting be...  
JP6324347B2  
JP2017053386A5  
JP6316776B2  
JP2018059632A
To provide a system and method for detecting uncommanded positioning of at least one valve spool in a plurality of valve spools and stopping a fluid flow to a plurality of hydraulic actuators fluidly connected to the plurality of valve s...  
JP2018059521A
To provide a pressure increasing device for a high lift work vehicle equipped with a hydraulic type crimp tool capable of holding a compression object without deformation.A booster apparatus 12 for a vehicle 1 for high lift work to feed ...  
JP2018059548A
To determine an intermediate state between a normal state and an abnormal state without installing a sensor in the vicinity of a cylinder.A microcomputer 62 of a detector 54 constituting a monitoring device 10 calculates a pressure diffe...  
JPWO2017175820A1
A valve box which is an extraordinary operation valve which can be switched alternatively about a valve-opening state and a valve-closing state, and has a cave-like valve room, The first oilway that is an oilway of operation oil which is...  
JP6311080B1
A filter state estimation system which presumes a state of a filter established all over a hydraulic circuit, A bypass passage through which a hydraulic circuit bypasses a filter and a filter and oil flows, A sensor (18) which is formed ...  
JP6304207B2  
JP6307648B1
[Subject] It is providing a cylinder device with a disclosure detection system which can carry out [not being concerned in the attachment direction of a cylinder device] disclosure detection of the disclosure fluid. [Means for Solution] ...  
JP2018508724A
A support structure (1) which can connect a hydraulic system (100) to a movable arm of an operating machine, It could connect with at least one hydraulic system motor (3) made to rotate a work element (2) in a hydraulic circuit of a supp...  
JP6302772B2  
JP2018044659A
To provide a pressure increasing device for a high lift work vehicle enabling a disadvantage at the pressure increasing device to be detected.This invention relates to a pressure increasing device for a high lift work for use in supplyin...  
JP6298457B2  
JP6291360B2  
JP6283195B2  
JP2018025137A
To prevent a work machine from being troubled when a hydraulic pump is controlled under a target pressure follow-up control.This invention relates to a hydraulic control device which comprises a variable capacity type hydraulic pump [2] ...  
JP6279385B2  
JP6269715B2  
JP6267250B2  
JP2018009668A
To provide a construction machine capable of detecting the open fastening of an excess flow control valve in real time while working without reduction in work speed.A construction machine comprises: an excess flow control valve control p...  
JP6260852B2  
JP6262915B1
A hydraulic system motor made to rotate a fan based on operation oil in which a fan driver system was supplied from a hydraulic pump and a hydraulic pump, A data acquisition section which acquires a fan's real number of rotations, and th...  
JP2017227244A
To provide a means capable of quickly actuating an urgent hydraulic supply device, moreover, a hydraulic driving device even when there is no operator in the site in such a case that supply of electric power to an actuation oil supply de...  
JP2017223335A
To provide a boosting device for a vehicle for high-lift work capable of cancelling a boosted state without the necessity to separately perform an operation even in the case where a failure occurs in detection means for detecting a press...  
JP2017223336A
To provide a boosting device for a vehicle for high-lift work capable of supplying a working fluid of an arbitrarily determined pressure to a hydraulic tool.The present invention relates to a boosting device for a vehicle for high-lift w...  
JP2017223343A
To provide a boosting device for a vehicle for high-lift work which enables a work to be started in a state where working fluids in a booster chamber and a hydraulic tool are discharged.The present invention relates to a boosting device ...  
JP2017219187A
To provide a hydraulic control device capable of operating a heavy machine operation unit without affecting an engine speed of a prime mover.A hydraulic control device includes, between a driving shaft 2 of a prime mover 9 and a hydrauli...  
JP2017207078A
To provide a liquid leakage detection device capable of not only discovering a liquid leakage early but also foreseeing the liquid leakage.In order to solve the aforementioned object, a liquid leakage detecting device of the invention co...  
JP2017207139A
To provide a brake device for a wind mill capable of surely braking a wind mill in blackout.A brake device for a wind mill has a brake state where a solenoid valve 9 is located at a first position X and is configured to energize a piston...  
JP2017203519A
To quickly determine malfunction of an accumulator switch valve with a simple constitution in a pressure accumulation device of a hydraulic working machine.A pressure accumulation device 6 includes an accumulator 28 connected to an oil p...  
JP2016114129A5  
JP2017202909A
To provide a crane which can adjust a pressure of working fluid by manual operation even if proportional pressure reduction valves are failed, and can consequently move actuators at a proper speed.In a crane 1 constituting a hydraulic sy...  
JP2017202696A
To detect failure of bypass valves 63 properly.Upon raising a ride height, an ECU 100 closes bypass valves 63 and spring switching valves 62, opens leveling valves 61 and a source valve 64, and activates a pump device 71. When an actual ...  
JP6230873B2  
JP2017533383A
oil pressure piping, especially oil pressure -- a device for missing pressure in connection piping which has a connection part (6, 8) between actuator machines supplied to attachments which have an operational actuator, and these attachm...  
JP6228430B2  
JP6224937B2  
JP2017194070A
To provide a pharmaceutical water supply device that can continue a supply operation even when a pump is failed, and satisfies a necessary supply amount, and to provide a method.A pharmaceutical water supply device 10 supplies pharmaceut...  
JP6219554B1
The valve box which is an extraordinary operation valve which can be switched alternatively about a valve-opening state and a valve-closing state, and has a cave-like valve room, The first oilway that is an oilway of the operation oil wh...  
JP2017072578A5  
JP2017187152A
To provide a monitoring device for monitoring an operation state of a piston which an air cylinder has.An air cylinder 50 has a cylindrical cylinder 52, and a piston 51 moving by a pressure of a fluid supplied to rooms 56, 57 provided in...  
JP6211362B2  
JP2017180609A
To secure a line pressure of a hydraulic circuit when failure occurs in an electrically-driven type oil pump.A hydraulic control device controls oil in a hydraulic circuit 200 to a line pressure PL, a secondary pressure Psec, and lubrica...  
JP6208569B2  
JP2017172658A
To provide a hydraulic working machine capable of preventing working oil from being overheated by arranging an oil cooler for an emergency escaping unit and operating the oil cooler for an emergency escaping unit together with an oil coo...  
JP2017171012A
To provide a hydraulic work vehicle capable of quickly stopping actuation of a working device to secure safety when discrepancy occurs between the control content of a hydraulic actuator and actuation of the actuator detected by a sensor...  
JP2017159328A
To provide a hemming die system with reduced or eliminated incidence of defects upon breakdown of a solenoid valve.The hemming die system includes a hemming die (1) and a pneumatic circuit (11). The hemming die (1) has: a lifter (4) that...  
JP2017160999A
To provide a workpiece holding device in which failure hardly occurs even when a solenoid valve is broken.A workpiece holding device includes: a holding device 1 configured to hold a plate workpiece with operation of a pilot type and dou...  

Matches 451 - 500 out of 3,127