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Patent Searching and Data


Matches 651 - 700 out of 8,068

Document Document Title
WO/2012/047261A1
Disclosed embodiments include electromagnetic flow regulators for regulating flow of an electrically conductive fluid, systems for regulating flow of an electrically conductive fluid, methods of regulating flow of an electrically conduct...  
WO/2012/047260A2
Disclosed embodiments include electromagnetic flow regulators for regulating flow of an electrically conductive fluid, systems for regulating flow of an electrically conductive fluid, methods of regulating flow of an electrically conduct...  
WO/2012/048179A2
A fluid mover includes a first dynamic armature attached to a flexible member and a second dynamic armature attached to a second flexible member. The fluid mover also includes a housing and first and second flexible members being attache...  
WO/2012/047259A2
Disclosed embodiments include electromagnetic flow regulators for regulating flow of an electrically conductive fluid, systems for regulating flow of an electrically conductive fluid, methods of regulating flow of an electrically conduct...  
WO/2011/153003A3
A hydraulic system and a method of actively damping oscillations during actuation of a hydraulic cylinder in a hydraulic system is disclosed. The hydraulic cylinder is actuated by energizing a motor that rotatably drives a pump. The pump...  
WO/2012/041487A1
The invention relates to a fluid actuator (10) for influencing the flow along a flow surface by election of a fluid. By means of a like fluid actuator a continuous flow is distributed to at least two outlet openings (24a, 24b) in order t...  
WO/2011/149949A3
A fluid storage tank including an entrained air removal mechanism is provided. The entrained air removal mechanism assists in consolidating small air bubbles entrained within the fluid into larger bubbles such that the air bubbles have s...  
WO/2012/037516A2
A valve actuator control system for use with a valve actuator may include two pump assemblies, two control valve assemblies, two transducers, a fluid reservoir, and a controller assembly. The controller assembly may actuate the pump asse...  
WO/2012/035964A1
A hybrid hydraulic device is provided with: a hydraulic motor (1) for rotation which rotates a rotating body (8); a 6-port 3-position direction-switching valve (2) which switches the rotation direction of the rotating body (8); a hydraul...  
WO/2012/034451A1
A piston lubrication system for concrete cylinders, comprising a hydraulic pump (1), main cylinders (2), concrete cylinders (3), cylinder pistons located within the main cylinders (4), concrete pistons located within the concrete cylinde...  
WO/2012/032254A1
The subject of the invention is a purge system (22) comprising an open passage (24) and, upstream, a control that allows the hydraulic fluid to flow towards said open passage (24) or prevents it from flowing thereto, said control having ...  
WO/2012/033233A1
The present invention pertains to a hydraulic pressure control device of a variable displacement type hydraulic pump for construction equipment, wherein operable sections of operation systems are formed in a wide manner while the hydraul...  
WO/2012/033064A1
On the basis of a drive torque of a hydraulic pump (3) which is detected by a torque sensor (34), in the case where an actuator drive torque is smaller than a switch torque τ0, a controller (35) closes an electromagnetic switch valve (1...  
WO/2012/029308A1
Disclosed are an object movement mechanism and object movement method capable of moving an object with thermal energy by utilizing liquid-liquid crystal phase transition. The disclosed mechanism is provided with a substance (M) capable o...  
WO/2010/091896A8
The invention relates to a connection coupling (100) for a venting screw (102) of a hydraulic system, wherein the connection coupling (100) has: a screw body (122) for engaging on the venting screw (102), wherein a rotation of the screw ...  
WO/2012/029307A1
Disclosed are an object movement mechanism and object movement method capable of moving an object by thermal energy utilizing liquid-liquid crystal phase transition. The disclosed mechanism is provided with a substance (M) capable of ass...  
WO/2012/030495A2
A semi-closed hydraulic system for use with heavy equipment includes a double-acting cylinder, a reservoir, first and second electric motors, first and second electric pumps, a pressure sensor, and a controller. The double-acting cylinde...  
WO/2012/030003A1
Disclosed is a hydraulic circuit that supplements and uses a hydraulic fluid of a hydraulic pump for a cooling fan and a hydraulic fluid of a main hydraulic pump as a hydraulic power unit of RCV to supply a signal pressure to a control v...  
WO/2012/026633A1
Provided is a device for controlling construction equipment for controlling the spool of an MCV, which is bidirectionally controllable, to control working fluid which is supplied to a hydraulic actuator. According to the present inventio...  
WO/2012/023231A1
Disclosed is an electro-hydraulic drive system for a work machine, allowing efficient operation by means of oil pressure and electricity. Said drive system, which adjusts the flow rate of a hydraulic fluid by means of a control valve (6)...  
WO/2012/023229A1
A device is provided to detect clogging of a filter (6) provided onto a construction machinery. This device can maintain a high detection accuracy under normal temperatures while ensuring the required frequency of detection even when col...  
WO/2012/021101A1
The invention relates to a hydraulic system comprising a source of high pressure (A), a consumer (C) connectable to the source of high pressure (A) via a flow control valve (21 ), and a solenoid valve (22) arranged to control the flow co...  
WO/2012/015305A1
The invention relates to an improved compacting device for compacting a granular, loosely coherent mass, such as soil-moist cement, for producing end products such as tiles, kerbstones and the like. The compacting device comprises a vibr...  
WO/2012/015850A1
The present disclosure provides embodiments directed towards a system for the control of hydraulic output by a hydraulic power source. In one embodiment, a system is provided. The system includes a hydraulic supply system having a drive,...  
WO/2012/011819A1
A method and device for treatment of liquid under high pressure in a hydraulic installation (1) comprising at least a hydraulic cylinder (4) and an accumulator (6) where the method comprises: - connecting a treatment device (2) for liqui...  
WO/2012/003939A1
The invention relates to a hydraulic arrangement, comprising a hydraulic circuit, by means of which at least one hydraulic load (36, 38, 40) can be supplied with pressure medium, and comprising a cooling circuit (4), by means of which at...  
WO/2011/008242A3
A pumping system is provided which is a mobile, vehicle-mounted pumping system, such as for water or fuels, which mounts on a vehicle and may be used for various applications. The pumping system operates a drive system and control system...  
WO/2012/000584A1
The device according to the invention for removing moisture from a hydraulic medium (2) with at least one gaseous drying medium (3) is characterized in that the drying medium (3) is air and/or some other working gas with corresponding mo...  
WO/2012/002439A1
Provided is a control circuit for energy regeneration intended to conserve space and reduce cost in an energy recovery system. A control circuit (40) for energy regeneration is provided with an output port (38) for a main control valve (...  
WO/2012/000481A2
The invention relates to a method for reducing the vibrations occurring in a hydraulic system and to an arrangement for carrying out the method, in which method the occurring vibrations are determined, and the occurring vibrations are su...  
WO/2012/000477A1
The invention relates to a master cylinder (1) for a hydraulic system, in particular for motor vehicles, having a cylinder housing (2), a pressure chamber (5) which can be filled with pressure medium and is delimited on one side by a pis...  
WO/2011/162429A1
Disclosed is a hydraulic pump control system which is provided on construction machinery such as excavators. The hydraulic pump control system for construction machinery according to the present invention is adapted to be able to reduce ...  
WO/2011/158695A1
A time-delay valve is provided with: an open/close valve (7) which opens/closes the flow of air between a first port (P) to which compressed air is supplied and a second port (A) which is connected to the exterior of a casing; and a dela...  
WO/2011/153003A2
A hydraulic system and a method of actively damping oscillations during actuation of a hydraulic cylinder in a hydraulic system is disclosed. The hydraulic cylinder is actuated by energizing a motor that rotatably drives a pump. The pump...  
WO/2011/149949A2
A fluid storage tank including an entrained air removal mechanism is provided. The entrained air removal mechanism assists in consolidating small air bubbles entrained within the fluid into larger bubbles such that the air bubbles have s...  
WO/2011/145432A1
A controller determines whether or not an operation valve which controls the supply of pressure fluid from a main pump to an actuator is in a neutral position, detects the input power of a hydraulic motor which rotates with the return oi...  
WO/2011/145947A1
An apparatus (16) and method for recuperation of hydraulic energy from an actuator (6) where a first drive (22) of a first hydraulic machine (18) and a second drive (26) of a second hydraulic machine (20) are mechanically connected, and ...  
WO/2011/146145A1
In one embodiment, a microfluidic system includes a fluidic channel coupled at each end to a reservoir. A fluid actuator is located asymmetrically within the channel to create a long side and a short side of the channel and to generate a...  
WO/2011/141423A1
The present invention relates to a method for operating a hybrid drive (30) and to such a hybrid drive. The hybrid drive comprises an electric motor (1), which is coupled to a hydraulic drive (2) having a double-acting hydraulic piston (...  
WO/2011/140972A1
A traveling hydraulic handling machine of energy-saving type includes a driving system and a control system both for hoisting and traveling. The hydraulic handling machine converts partly potential energy of a heavy object before being l...  
WO/2011/133072A1
The invention relates to a start/stop arrangement in a fluid system comprising a controllable pump unit (11) for supplying fluid pressure to at least one implement; a prime mover (14) connected to a transmission device arranged to drive ...  
WO/2011/132673A1
Disclosed is a construction machine, wherein a boom assist cylinder (7A) hydraulically assists movement of a boom (4), and an arm assist cylinder (8A) hydraulically assists movement of an arm (5). An accumulator (16) stores in a compress...  
WO/2011/133849A1
Disclosed are hydraulic pump systems (100; 200; 300) and pump suction charging systems (102; 202; 302) which reduce or eliminate cavitation in the systems, as well as methods (400) of operating the same and work machines (10) including t...  
WO/2011/060955A3
The invention relates to a hydraulic drive (A) for driving at least one hydraulic actuator, comprising at least one hydraulic pump (2) that can be driven by an electric motor (M) and at least one hydraulic line (L) conducting a hydraulic...  
WO/2011/123955A1
Disclosed herein is a system for storing and releasing energy, including a generator/motor; a hydraulic pump for pumping hydraulic fluid between first and second pump ports in response to force applied by the generator/motor and also cap...  
WO/2011/116924A1
The invention relates to a fluid cooling device (1) as a structural unit having a drive motor (2) which drives a rotatable fan impeller (3), and having a storage tank (4) which has a filling opening (6) as well as a fill-level indicator ...  
WO/2011/118322A1
The disclosed hybrid construction equipment control system is provided with an engine, a main pump driven by the engine, an assist pump, a rotation shaft which connects a regenerative hydraulic motor and an electric motor-generator, and ...  
WO/2011/115959A1
Apparatus for controlling flow of ER fluid comprising a first channel 10 for conveying carrier fluid of a first dielectric constant or conductivity and droplets of a second dielectric constant or conductivity in said carrier fluid; a sec...  
WO/2011/114765A1
Provided is an actuator control device capable of suppressing vibration during a regeneration period. The actuator control device comprises: a target speed calculation means (121) for calculating a target number of rotations of a motor; ...  
WO/2010/136271A3
A digital hydraulic controller has valves that can be switched individually and in different combinations thereof. Each of these valve switch combinations corresponds to a flow rate. A currently required flow rate (Dnew) is selected from...  

Matches 651 - 700 out of 8,068