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Patent Searching and Data


Matches 201 - 250 out of 8,092

Document Document Title
WO/2016/194415A1
Provided is a work machine hydraulic energy reusing device with which brake pressure can be reliably maintained even when an electrical failure occurs in an electromagnetic valve, etc. and opening operation is erroneously initiated. The ...  
WO/2016/194935A1
A control system (100) for a hybrid construction machine is provided with: first and second main pumps (26, 27) that supply hydraulic oil to a boom cylinder (30); a regenerative motor (46) that is made to rotate by hydraulic oil discharg...  
WO/2016/194934A1
A control system (100) for a hybrid work machine is provided with: first and second main pumps (26, 27) that supply hydraulic oil to a boom cylinder (30); a regenerative unit (45) comprising a regenerative motor (46) that is made to rota...  
WO/2016/189653A1
Provided are a construction machine that is provided with a novel preheating unit that can efficiently preheat an entire circulation passage through which a fluid flows, and a method for preheating same. A bypass channel (66) is provided...  
WO/2016/188608A1
The piston (20) of a hydraulic cylinder (9) for producing a vibration has a stepped piston structure (13) on both pressure-applying piston surfaces (12) running perpendicular to the cylinder axis (11), thus forming an annular first seali...  
WO/2016/185682A1
A system for hydraulically driving a construction machine comprises: first and second pumps driven by an engine; a boom control valve disposed on a circulation line extending from the first pump and connected with a boom cylinder via a b...  
WO/2016/180686A1
Provided is an automatic swing device for a work machine which is capable of performing sieve operation in the posture where a work device is always at a posture suitable for sieve operation. An automatic swing device includes a posture ...  
WO/2016/169977A1
The invention relates to a pneumatic or hydraulic switching assembly comprising at least one device (1, 2) that can be switched from a first operating state to a second operating state by the application of pressure to a pneumatic or hyd...  
WO/2016/169943A1
Provided are a hydraulic circuit and a work machine being capable of securing a necessary pump flow rate while hydraulic fluid is accumulated in an accumulator with simple structures and being capable of appropriately setting an operatin...  
WO/2016/163058A1
The present invention makes it possible to cool hydraulic fluid appropriately even when a hydraulic apparatus is operated using the hydraulic fluid. A work machine hydraulic system is provided with: a tank for storing hydraulic fluid; a ...  
WO/2016/163926A1
The invention relates to a hydraulic system (12) for a working machine (1). The hydraulic system (12) is a load sensing (LS) system and comprises a hydraulic actuator (18) for movement of an implement and a control valve (15) having an i...  
WO/2016/158708A1
A shovel has a turning hydraulic motor 21, a turn-driving hydraulic circuit for driving the turning hydraulic motor, an assist hydraulic motor 40 connected to an engine 11 and supplied with hydraulic oil discharged from the turn-driving ...  
WO/2016/026577A8
The invention relates to a compressed air supply system (10) for operating a pneumatic system, having a compressed air feed means (1), a compressed air connector (2) to a pneumatic system (90), and a venting connector (3) or a further ve...  
WO/2016/153014A1
This shovel has an assist hydraulic motor 40 for assisting the driving of an engine, and a regeneration valve 22G disposed between a hydraulic motor for turning and the assist hydraulic motor. When the hydraulic motor for turning deceler...  
WO/2016/146039A1
A load-sensitive electro-hydrostatic actuator (EHA) comprises a variable-displacement hydraulic pump (2), a symmetrical hydraulic cylinder (5), a feedback module (4), a pressure follow-up servo valve (3) and an execution mechanism (7). T...  
WO/2016/147283A1
A construction apparatus (1) provided with a control valve (2) for switching the supply of pressurized oil coming from a hydraulic pump (6) to a hydraulic actuator (3a), a control valve drive device (5) for supplying pilot secondary pres...  
WO/2016/142033A1
A damping device, in particular for damping or avoiding pressure surges, such as pulses, in hydraulic supply circuits, preferably in the form of a silencer, having a damping housing which surrounds a damping chamber and has at least one ...  
WO/2016/142032A1
A damping device, in particular for damping or avoiding pressure surges, such as pulses, in hydraulic supply circuits, preferably in the form of a silencer, having a damping housing (1) which surrounds a damping chamber and has at least ...  
WO/2016/141464A1
Examples of a modular compression chamber for use in a compression system are disclosed. The modular compression chamber comprises a plurality of individual modules and a plurality of fasteners to attach the plurality of modules in an in...  
WO/2016/134826A1
The invention relates to a method for the operation of an air dryer arranged between an air compressor and a compressed-air system, and to an air dryer (2) for performing said method. The air dryer (2) has a dryer cartridge (6) and a ven...  
WO/2016/138309A1
Aspects and techniques of the present disclosure relate to a bleed valve system (10) for bleeding fluid of a first, lower, specific gravity from a fluid of a second, higher, specific gravity, in a fluid system. The technique can be used ...  
WO/2016/133874A1
A fluid pump system includes a housing, a motor, a fan, and a fluid conduit. The housing includes a wall having a first end and a second end, and the housing defining a first axis extending between the first end and the second end. The w...  
WO/2016/124685A1
PROBLEM: To reduce the cost by reducing the number of parts and simplify the control of regeneration in the hydraulic actuator even though the meter-in control and the meter-out control can be performed separately while the supply and th...  
WO/2016/116122A1
The invention relates to compressed air supply system for supplying compressed air to a pneumatic system, comprising a compressed air input port, a compressed air output port and a vent port, a pneumatic main pipe arranged between the co...  
WO/2016/116839A1
A directional control valve group (3), fixable to a wall of an oil tank (13) at an oil inlet through-hole (22) made in the wall (12) of the oil tank (13), comprising: a directional control valve (4) provided with a first hollow body (21)...  
WO/2016/116546A1
The invention proceeds from a device for supplying a commercial vehicle with compressed air, with an electronic controller (1) which is connected to at least one sensor (2), with a compressed air input (4) and a pressure control output 1...  
WO/2016/115509A1
A method and apparatus for maintaining the rate of flow of hydraulic or lubricating fluid through a particle contamination sensor or monitor at an acceptable level is disclosed. The rate of flow may be a specific value or lie within a de...  
WO/2016/109084A1
A testing apparatus employs an interface module removably attached to a filter testing device. The interface module includes a first flowpath communicating with an outlet of the testing device and a housing of the filter device, a first ...  
WO/2016/096222A1
The invention relates to an actuating drive for a control valve, in particular a steam turbine control valve, having a working cylinder which has a piston and a piston rod connected thereto, and which forms an actuator for the control va...  
WO/2016/096565A1
Disclosed is a circuit for actuating one or more hydraulic consumer(s). The hydraulic consumer(s) are actuated at their terminals with proportionally adjustable directional valves which can be actuated separately for any direction of mov...  
WO/2016/097096A1
The invention relates to a vehicle pressure medium device (1) in which a pressure medium flows, comprising a multilayer construction which has at least two layers that contact each other. At least three flow openings (44, 56, 58) of flow...  
WO/2016/098335A1
In the present invention, a hydraulic drive system for construction machinery is provided with: a first pump having a first rotational shaft and supplying hydraulic oil to a swing motor; a second pump having a second rotational shaft cou...  
WO/2016/097075A1
The invention relates to a compressed-air supply device (1) for vehicle compressed-air systems, comprising, as components or assemblies, at least one air-drying device (2) having an air-drying cartridge (4), a valve device (26) having a ...  
WO/2016/093883A1
An apparatus and a method of use of such removes water from a mixture of water and hydraulic fluid. The hydraulic fluid drying device includes a containment vessel, a desiccant mixture and a tether. The containment vessel is a permeable ...  
WO/2016/092808A1
A hydraulic drive system for construction machinery, comprising: a pump that supplies hydraulic oil to a boom cylinder and a rotating hydraulic motor; a regenerative hydraulic motor coupled to the pump and having guided thereto hydraulic...  
WO/2016/088573A1
A control system (100) for a hybrid construction machine is provided with: fluid pressure pumps (26, 27) for supplying working fluid to a fluid pressure actuator (31); a regenerating unit (45) comprising a regenerating motor (46) that ro...  
WO/2016/087711A1
The invention relates to a plunger pressure accumulator (1), comprising: a shell (2); a plunger (3; 30) which is adapted to move relative to the shell (2) into an interior space of the shell (2). The space is divided into at least two su...  
WO/2016/083249A1
The invention relates to a cooling device for a hydraulic assembly which has a container for hydraulic oil. There is a heat pipe for cooling the container. Hydraulic oil in the container flows approximately in a straight line from an inl...  
WO/2016/082356A1
Disclosed is an automatic supplying pressure compensation system, comprising a switch control device (1), an oil supply device (2), a pressure compensation device (3) capable of real-time detection of the variation of inner cavity pressu...  
WO/2016/083340A1
Provided are a fluid pressure circuit and a work machine with simple structures being capable of securing a necessary pump flow rate even when working fluid is accumulated in an accumulator. A fluid pressure circuit includes: two boom cy...  
WO/2016/082321A1
Disclosed are a method and a system for recovering and utilizing duty energy of a crane, and a crane. The method for recovering and utilizing duty energy of a crane comprises: a first hydraulic power device (2) converts the hydraulic pre...  
WO/2016/084421A1
A hybrid construction machinery control system (100, 200) comprises a hydraulic pump (26, 27), a regenerative motor (46), a rotating electrical device (48) that is connected to the regenerative motor (46), a storage battery (24) that acc...  
WO/2015/108618A8
A system that provides localized monitoring of characteristics of instrument gas that a valve assembly (104) uses to modulate the flow of a working fluid (112). The system includes components (102) that generate an output in response to,...  
WO/2016/071279A1
The invention relates to a method for generating a pulsed fluid flow, wherein a fluid is conducted through a flow chamber and the free flow cross-section is alternately increased and reduced by means of a device arranged in the flow cham...  
WO/2016/067415A1
In order to easily manage filtration characteristics and ensure sufficient strength, an oil filter filters oil by being interposed in an oil passage and causing oil that flows through the oil passage to pass through filtration holes 11a ...  
WO/2016/063499A1
[Problem] To provide an intermittent air generation device excelling in applicability using a simple structure, without the need for a pilot pressure-type on-off valve using a complicated structure. [Solution] A passage switching valve (...  
WO/2016/064961A1
A hydraulic control system is disclosed for an excavation machine including a tool linkage system. The system may have a first actuator configured to move a first link of the tool linkage system in response to input from an operator of t...  
WO/2016/056244A1
This hydraulic drive system for construction machinery is provided with: a bidirectional pump connected to a revolving motor through a pair of supply/discharge lines; a regulator for changing the tilt angle of the bidirectional pump; and...  
WO/2016/056442A1
A shovel in an embodiment of the present invention is provided with a first pump 14L; a second pump 14R; a turning hydraulic motor 21; a pump/motor 14A that receives hydraulic oil from the turning hydraulic motor 21 during turn decelerat...  
WO/2016/052209A1
[Problem] To provide a work vehicle hydraulic drive system that ensures good operability when hydraulic fluid that has been discharged from a hydraulic actuator is regenerated to drive another actuator. [Solution] This work vehicle hydra...  

Matches 201 - 250 out of 8,092