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Patent Searching and Data


Matches 401 - 450 out of 8,194

Document Document Title
WO/2014/180092A1
A pressure-difference boost-type energy recycling apparatus based on a reverse osmosis system comprises: a two-position four-way solenoid valve (3), a first hydraulic cylinder (1), and a second hydraulic cylinder (2). The first hydraulic...  
WO/2014/001881A3
A device and a method for exploiting hydrostatic energy, wherein the device comprises at least a first chamber and a second chamber, wherein the first chamber and the second chamber are at least partially filled with a fluid is suggested...  
WO/2014/176256A1
In conventional load-sense systems, there is a delay between a hydraulic function being impeded by an external force and further motion of the function. This is typically due to cavitation on the low pressure side of the pump. Electro-hy...  
WO/2014/175016A1
A hydraulic brake system is configured so that air in a back hydraulic control device, which is connected to a back chamber behind the pressurizing piston of a master cylinder, is capable of being vented while an air-containing hydraulic...  
WO/2014/169306A1
The invention relates to a fixing device for a hydraulic fluid air cooler with cooling elements through which hydraulic fluid flows, which elements are combined to form a parallelepiped assembly, and a box-shaped hydraulic fluid distribu...  
WO/2014/162745A1
A drive control system (1) for a hydraulic shovel (2) is provided with a control device (50). The drive control device (50) is configured in such a manner that, when accelerating a rotatable body (5) to a target rotational speed, the dri...  
WO/2014/155767A1
A hydraulic device (100) is configured so as to prevent the breakage of a single-directional filter section adapted for high-pressure oil. The hydraulic device (100) is provided with an accumulator (106) which supplies oil from an oil ta...  
WO/2014/152672A1
Systems and methods for controlling a fluid based engineering system are disclosed. The systems and methods may include a model processor for generating a model output, the model processor including a set state module for setting dynamic...  
WO/2014/146751A1
A compressed air maintenance unit (1) is proposed which has a connection element (7) which is provided with an air inlet connection (8) and an air outlet connection (9) and to which a multifunctional unit (14) is movably mounted, said mu...  
WO/2014/139613A1
A filter device, comprising at least one first connection (A1) to a hydraulic working circuit, with which a filter element (F1) is associated, and comprising at least one additional connection (A2), by means of which leakage oil amounts ...  
WO/2014/138998A1
A regulator apparatus for distributing a fluid may include a charging valve assembly and a flow multiplier assembly. In a recharge mode, a valve of the charging valve assembly is in an open position, and the fluid is received in a second...  
WO/2014/134441A1
A piezoelectric valve has a body with an input passage and an output passage each configured to connect to a fluid flow system, a flow control member movable with respect to the valve seat between a fully open position and a closed posit...  
WO/2014/127955A1
The present invention relates to a hydraulic unit comprising a cylinder and a piston unit, wherein the piston unit extends at least in regions into a fluid chamber, which is enclosed by the cylinder, and can be displaced relative to the ...  
WO/2014/130324A1
An energy recovery system (50) is disclosed for use with a hydraulic machine (10). The energy recovery system may have a tank (60), a pump (58) configured to draw fluid from the tank and pressurize the fluid, an actuator (28), and an act...  
WO/2014/121910A1
The invention relates to a hydraulic multi-load system with an energy-efficient hydraulic circuit, comprising a hydraulic source (7) for a volumetric flow rate of a hydraulic medium and comprising at least two loads (1, 2, 3) with contro...  
WO/2014/119569A1
Provided is a pressure oil energy recovery device for an operating machine, wherein even if a high load is applied to a liquid pressure cylinder and pressure oil exceeding the maximum working pressure of the pressure oil energy recovery ...  
WO/2014/115645A1
Provided are a low-cost engine-assist device that can perform stable energy regeneration from an accumulator, and an industrial machine equipped with the engine-assist device. Directly coupled to an engine (6) are variable-capacity main ...  
WO/2014/115907A1
Disclosed are a device and a method for controlling a flow rate in construction machinery for stationery work for evenly leveling the ground by means of the weight of a boom, without supplying working oil to a hydraulic cylinder from a h...  
WO/2014/086484A3
In a method for operating a hydraulic device for providing a supply to hydraulic consumers (V) on a plastics injection moulding machine, provision is made of a pump (10) with a volumetric delivery characteristic that results in cyclic pu...  
WO/2014/116965A1
A de-aeration hydraulic circuit having application in a hydromechanical transmissions utilizes a hydraulic fluid reservoir to de-aerate hydraulic fluid. The circuit includes a high pressure side and a low pressure side having a bleed dow...  
WO/2014/112566A1
Provided is a device that is for recovering pressurized oil energy from a work machine and that can recover energy efficiently and secure operability comparable to standard construction machines without an increase in size in the device ...  
WO/2014/109674A1
The present group of inventions relates to hydrodynamic systems. A liquid from a pressure line (5) is separated into a primary flow and a secondary flow. The flow rate of the primary flow is maintained at a level greater than or equal to...  
WO/2014/106230A1
A double-solenoid directional control valve comprising a valve body and a valve spool within the valve body, where the valve spool is configured to move within the valve body between a first position, a second position and a third positi...  
WO/2014/094179A1
The embodiments described herein generally relate to a fluid pressure pulse generating apparatus with a primary seal assembly, back up seal assembly and pressure compensation device. The pressure compensation device comprises a membrane ...  
WO/2014/094759A1
The invention relates to a ventilation device for a hydraulic system that comprises at least one slave cylinder having a pressure medium inlet, a master cylinder having a pressure medium outlet, and a pressure medium line which is provid...  
WO/2014/099926A1
A control system for a hydraulic system including an accumulator (534) and a hydraulic transformer (500,502) coordinates flow sharing within the hydraulic system. The hydraulic transformer includes first (500) and second 8502) variable d...  
WO/2014/091685A1
Provided is a hydraulic circuit that makes it possible to switch the circuit state between a state in which a regenerative action operates and a state in which the regenerative action stops. The hydraulic circuit comprises: hydraulic pum...  
WO/2014/048413A3
The invention relates to an apparatus for configuring a consumption management system for polyglycol-based brake fluid during vehicle filling on assembly lines. The problem addressed by the invention is that of creating a technical solut...  
WO/2014/090869A1
The invention relates to a method for filling the air springs of a vehicle and an associated pressure accumulator. In the method, a pressure accumulator is used which is provided with a valve integrated into the air connection of the pre...  
WO/2014/085556A1
A wireless position transducer for a valve in a process control system converts a motion or a position of an actuator of the valve into a wireless signal including a value indicative of the position of the actuator. The transducer causes...  
WO/2014/083493A1
Described herein is a valve assembly (1; 1') in particular designed for use in a pneumatic network (N) and comprising a first valve (2), a second valve (4), and a third valve (6). The second valve (4) and the third valve (6) are configur...  
WO/2014/081353A1
The present invention relates to a pressurized medium assembly (10) comprising a first working chamber (14) and a second working chamber (16). The first and second working chambers (14, 16) are adapted to together produce a load. The pre...  
WO/2014/077675A1
The invention relates to an actuator (1), comprising a gas tight chamber (8) provided with expansion means (2) and having highly reflecting inner walls. The chamber (8) is filled with a gas and with carbon fibres (6). Light generating me...  
WO/2014/074032A1
The invention relates to a heavy road vehicle provided with a hybrid propulsion system (1) comprising a mechanical propulsion system (12) and a hydraulic propulsion system (13). The mechanical propulsion system (12) is connected to at le...  
WO/2014/072079A1
A thermo-rheological valve for a pressurized medium (7) with temperature- dependent viscosity is proposed, comprising a conduit portion for passage of the medium, and a heating device (3, 4) with at least one heating element, which heati...  
WO/2014/073497A1
The control system is provided with: a pressure detector for detecting the swing pressure or braking pressure of a swing motor; a swing regeneration switching valve that opens when the pressure detected by the pressure detector reaches a...  
WO/2014/073248A1
A hydraulic shovel according to an embodiment of the present invention is provided with: a hydraulic rotation motor (21); relief valves (400L, 400R) which are provided to the hydraulic rotation motor (21); and an accumulator section (42)...  
WO/2014/073338A1
During aerial boom lowering of a boom (131) by a front work machine (130) in which rotation by the tare weight is possible, potential energy is regenerated by working a hydraulic pump/motor (7) as a motor, operating a generator/electric ...  
WO/2014/068973A1
This hydraulic pressure control device (1) is provided with a directional valve (26), an operated valve (36), a first back pressure output mechanism (42), and a second shuttle valve (41). Upon operation of an operating lever (37), the op...  
WO/2014/069065A1
A hydraulic shovel according to an embodiment of the present invention comprises: a main pump (14); a hydraulic actuator which includes a rotating hydraulic motor (21); a control valve (17) which controls a flow of hydraulic oil between ...  
WO/2014/069024A1
[Problem] To provide a circulation system for separating and removing bubbles from a liquid, whereby it is possible to remove the bubbles that form within the liquid effectively and efficiently. [Solution] A system provided with: a main ...  
WO/2014/069066A1
A hydraulic shovel according to an embodiment of the present invention comprises: a main pump (14); a hydraulic actuator including a rotating hydraulic motor (21); a control valve (17) which controls a flow of hydraulic oil between the m...  
WO/2014/069759A1
The present invention includes the steps of: performing maximum flow control on a pump by controlling a proportional control valve which controls the maximum flow of a hydraulic pump after confirming the presence or absence of an abnorma...  
WO/2014/063490A1
Disclosed are a hydraulic system for controlling a boom to rotate and a control method therefor and concrete pumping equipment using the hydraulic system, wherein the hydraulic system comprises a hydraulic motor (1), a primary valve (2),...  
WO/2014/063826A1
The invention relates to a hydraulic system with at least one hydrostatic displacement unit (2, 4), a filter unit (6) for filtering the hydraulic oil flowing through the respective displacement unit (2, 4), and a discharge device (10) th...  
WO/2014/061834A1
Disclosed is an automatic pressure control device for a construction machine for constantly maintaining an initially set pressure of a main relief valve which sets a maximum pressure of a hydraulic system. According to the present invent...  
WO/2014/059410A1
A combined accumulator and receiver tank of a refrigeration system is described. The tank may have an accumulator portion positioned above a receiver portion. An accumulator/receiver pipe (AR pipe) connects the accumulator portion to the...  
WO/2014/057163A1
The present invention provides a purification system (102) for the purification of flowing fluid. The present invention enables detection and removing of particles from flowing fluid in a real-time fashion. The purification system accord...  
WO/2014/054983A1
A lift arrangement (2) for a working machine (1), comprising: a tool linkage comprising an arm (5) in one end pivotably connectable to a working machine and in an opposite end pivotably connectable to a tool (3); a first hydraulic actuat...  
WO/2014/054326A1
A hydraulic circuit for a construction machine controls the operation of hydraulic actuators. The hydraulic circuit is provided with: a detection means which detects the first drive pressure of pressurized oil supplied to one hydraulic a...  

Matches 401 - 450 out of 8,194