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Matches 601 - 650 out of 3,194

Document Document Title
JP2017031997A
To provide an electric operating device capable of securing operability of a hydraulic actuator even when any one of a plurality of control valve controllers for switching and driving a plurality of control valves fails.An electric opera...  
JP6077901B2  
JP2017025982A
To provide a servo drive hydraulic unit capable of detecting oil leakage inside a hydraulic circuit and preventing deterioration of thermal displacement accuracy of a machine due to oil leakage inside the hydraulic circuit, deterioration...  
JP6071821B2  
JP6071699B2  
JP2017015253A
To improve an electro hydrostatic actuator.An electro hydrostatic actuator (102) includes a hydraulic pump (106) driven by an electric motor (104) and supplying a hydraulic fluid to a hydraulic actuator (112). The hydraulic pump (106) in...  
JP2017015255A
To improve an electro hydrostatic actuator.An electro hydrostatic actuator (102) includes a hydraulic pump (106), and an electric motor (104) driving the hydraulic pump to supply hydraulic fluid to a hydraulic actuator (112). The hydraul...  
JP2017010873A
To provide a monitor system for a hydraulic operation mechanism for breaker capable of automatically detecting abnormality in the hydraulic operation mechanism and identifying a location of the abnormality.The monitor system for the hydr...  
JP2017002981A
To provide a hydraulic drive system of a work machine capable of securing operation of a hydraulic actuator depending on operation from an operator even in a case where abnormality occurs in a sensor.A controller 27 includes an abnormali...  
JP2017003465A
To provide a diagnostic system for a hydraulic machine, which is capable of accurately diagnosing abnormality of the hydraulic machine.The diagnostic system for a hydraulic machine which comprises a revolving shaft, a cylinder, a piston ...  
JP2016223563A
To provide a construction machine hydraulic control device capable of reducing a meter-out pressure loss in response to a change in a negative load acting on a hydraulic actuator, and capable of preventing deterioration of operativity ev...  
JP2016223590A
To provide an operating machine pressure oil energy regeneration apparatus capable of reliably securing a brake pressure even when an electrical failure occurs to a solenoid valve or the like and the solenoid valve or the like is erroneo...  
JP6054297B2  
JP6047672B1
The present invention provides a vacuum processor provided with a gas supply means which has hard interlock of a pair of gas valves. In a vacuum processor provided with a gas supplying section which supplies gas for the present invention...  
JP2016538493A
This indication includes a manifold, a Sea bian module, and a related method. Some manifolds and/or Sea bian modules, One or more entrances respectively constituted so that liquid pressure fluid may be received from a source of fluid, On...  
JP6040968B2  
JP2016537568A
This indication includes a hydraulic device and a method for a duplication operation of a liquid pressure device. Some devices are provided with the following. A liquid pressure device which has the 1st liquid pressure actuator and the 2...  
JP6036344B2  
JP6029992B2  
JP2016190712A
To provide a control device of an actuator which presumes a posture with an easy method and controls a hydraulic actuator on the basis of the presumed posture.A control device S of an actuator is mounted on a mobile crane, and includes: ...  
JP2016188699A
To provide a compression liquid supply system, a method, and an atomic power plant capable of reducing the load applied to an impeller of an alternative pump when operating a constant capacity type alternative pump which is operable as a...  
JP6013031B2  
JP6005489B2  
JP2016176601A
To provide a hydraulic system of an aircraft actuator, that can drive the actuator even when the function of an airframe side hydraulic power source is lost or deteriorated, can prevent lowering of airframe efficiency, can inhibit heat g...  
JP2015117721A5  
JP5974684B2  
JP2016142352A
To provide a hydraulic motor control device suppressed in unintended motion of a hydraulic motor caused by failure of an apparatus constituting a hydraulic circuit.In a device, supply of a hydraulic oil to a hydraulic pump is stopped (S1...  
JP2016142285A
To provide an electric operation device for hydraulic work machine capable of assuring an operability of a hydraulic actuator even if any of a plurality of changing-over driving devices for changing-over and driving a plurality of direct...  
JP5964912B2  
JP5961473B2  
JP5961463B2  
JP5961580B2  
JP2016132988A
To provide a fail-safe hydraulic drive system that comprises a plurality of hydraulic pumps and has a simple structure.A fail-safe hydraulic drive system comprises: first and second hydraulic pumps; a first regulator including a first ho...  
JP5950980B2  
JP2016518288A
In at least one rudder (6) and a rudder driver system (2) for operating a guide machine of a vessel which accomplished a redundant system and was provided with the two independently operational electric liquid pressure type main actuator...  
JP2016114129A
To provide an electric type operation device and a work machine including the same in which a hydraulic actuator can be driven at a speed equal to or less than that of normal state even if there occurs an irregular state in which electro...  
JP2016109210A
To provide a joint device capable of being connected in a state where working pressure oil having a high-pressure large flow rate acts, with quick and simple operation.A joint device comprises: a closing chamber 27 that is provided in a ...  
JP2016106204A
To provide an actuator device which causes a flow control member to move to a predetermined position (e.g., a fully closed position, a fully open position) when a valve is in a failed position even in high pressure applications.A fluid c...  
JP5926031B2  
JP2016089921A
To acquire a control device for an air driven type automatic valve capable of easily performing pressure control of a fluid flowing in piping in normal time, and capable of bringing to a totally closed state in emergencies such as power ...  
JP2016089992A
To provide a control valve device which can freely select an orifice which functions when a spool locks, while having a common valve body.An opening/closing valve V is incorporated in a valve body B. The opening/closing valve V includes:...  
JP2016084847A
To provide a fluid control device capable of moving a valve element to a valve opening position with a small operating force when a fluid of an accumulator flows in, and surely moving the valve element to a valve closing position when th...  
JP2016080084A
To provide a follow-up device and a machine tool in which consumption power during standby state can be reduced and their energy-saving can be attained, and an operational method for the follow-up device at the machine tool.This inventio...  
JP2016080144A
To provide a vehicle in which abnormality of hydraulic fluid can be detected with high accuracy by suppressing the influence of the change in volume of the hydraulic fluid due to temperature changes.There is provided a vehicle 1 includin...  
JP2016070488A
To easily specify a broken control valve, in a case where a control valve is broken, even in a hydraulic circuit in which many control valves are provided.A fault diagnosis system includes fault diagnosis means 44 setting a plurality of ...  
JP2016070500A
To provide a fluid circuit capable of easily technologically controlling a fluid-type driven machine with high dynamic characteristic and high accuracy, and resolving defects in a conventional technology.A fluid circuit for controlling a...  
JP2016070407A
To prevent unexpected emergency stop resulting from the fact that a temperature of a component such as a motor increases up to an abnormal temperature.A hydraulic unit 1 includes: a temperature thermistor 14a detecting a temperature of a...  
JP2016065552A
To provide a hydraulic control device capable of detecting abnormality of the whole hydraulic circuit.In a hydraulic control device which supplies a hydraulic pressure by rotating a hydraulic pump by a motor includes: a hydraulic sensor ...  
JP2016065637A
To easily specify a broken control valve in a case where a control valve is broken, even in a hydraulic circuit where many control valves are provided.A fault diagnosis system of a control value in a hydraulic circuit includes: fault dia...  
JP5911687B2  

Matches 601 - 650 out of 3,194