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Patent Searching and Data


Matches 651 - 700 out of 8,209

Document Document Title
WO/2012/153430A1
In a case structure for a fluid pressure device, a filter (12) that constitutes part of a fluid pressure unit (10) is equipped with a first body (20), a case unit (22) connected to a lower portion of the first body (20), and a filter uni...  
WO/2012/120218A3
A method for monitoring a variable-geometry actuation system (1) of a turbojet engine is disclosed. Said actuation system comprises a control device (2), a servo-valve (3), an a cylinder (4) that is controlled by the servo-valve (2), the...  
WO/2012/122203A3
An unloader assembly and method for unloading a compressor, with the unloader assembly including one or more fingers configured to engage one or more valve elements of a suction valve of the compressor. The unloader assembly also include...  
WO/2012/145290A2
First and second mechanical hydraulic valves (342, 340) are disposed between a pump (180) and the cap side chamber (170) of an actuator (132) and the pump (180) and the rod chamber (168) of the pump (180). The first and second valves (34...  
WO/2012/082326A3
A hydraulic control system (48) for a machine (10) is disclosed. The hydraulic control system (48) may have a tank (64), a pump (51) configured to draw fluid from the tank (64) and pressurize the fluid, a swing motor (43) configured to r...  
WO/2012/144412A1
The present invention, which relates to a hydraulic circuit for a ram cylinder and the purpose of which is to cause redundantly provided supply/discharge circuits for a ram cylinder to exhibit multiple functions, is characterized by comp...  
WO/2012/141623A1
The invention relates to a method for reducing vibrations in a working machine. The working machine comprises a hydraulic system with a hydraulic machine (102) for providing hydraulic fluid to at least one working function (105). The hyd...  
WO/2012/133104A1
[Problem] To provide a hydraulic system for a hydraulic working machine, the hydraulic system being configured so that the influence of the impairment of the responsiveness to the control of the speed of an actuator is reduced to a minim...  
WO/2012/135506A1
A fluid degasification system for a hydraulic circuit includes a gas/fluid separation tank, a fluid entry passage directing fluid into a small foam generating cup containing foam and a small amount of additional fluid, thereby stimulatin...  
WO/2012/130383A1
Proposed is an autarkic electropneumatic working device (1) which has an electrically actuable compressed-air generating device (12) which is supplied with electrical energy by at least one regeneratively operating energy converter devic...  
WO/2012/135242A2
A system (55) for controlling power in a machine (10) includes an interface (56) and a controller (58) configured to receive a signal indicative of a requested hydraulic operation of a hydraulic actuator (24) corresponding to a requested...  
WO/2012/128091A1
A mixer drum driving device provided with a hydraulic motor that drives the rotation of a mixer drum, a first hydraulic pump that is driven by an engine and is capable of supplying hydraulic oil to the hydraulic motor, an electric motor,...  
WO/2012/128132A1
Hybrid construction machinery is provided with: a control device (80) that switches between hydraulic/electric complex rotation mode which drives the rotating body (20) with the total of the torque of the hydraulic motor (27) and an elec...  
WO/2012/126266A1
Disclosed in the present invention is a lifting system for a jib of project machine. which comprises an energy storage device with an energy storage cylinder(4) and an accumulator (7),wherein the energy storage cylinder (4) comprises an ...  
WO/2012/129042A1
A hydraulic circuit and method for extending a cylinder rod of a power cylinder (11) is provided wherein a valve (25) associated with an inlet port (16) of a cylinder base end and a valve (27) associated with an outlet port (17) on a rod...  
WO/2012/125109A1
An agricultural implement, for working soil across which the agricultural implement travels or is towed, comprises a frame (10), a first depth maintaining unit (12a, 12b), comprising a first hydraulic actuator (13a) for adjusting the hei...  
WO/2012/120218A2
A method for monitoring a variable-geometry actuation system (1) of a turbojet engine is disclosed. Said actuation system comprises a control device (2), a servo-valve (3), an a cylinder (4) that is controlled by the servo-valve (2), the...  
WO/2012/122203A2
An unloader assembly and method for unloading a compressor, with the unloader assembly including one or more fingers configured to engage one or more valve elements of a suction valve of the compressor. The unloader assembly also include...  
WO/2012/121931A2
A controller for mobile hydraulic equipment includes a radio receiver, hydraulic controller, and display unit. The controller further includes terminals configurable to function as a combination of analog or digital inputs or outputs acc...  
WO/2012/116923A1
The invention relates to a dryer circuit for a pneumatic regulating device of a vehicle, comprising - an air dryer (100), - a first compressor (104), wherein the first compressor (104) is designed to compress system air present in the pn...  
WO/2012/118773A2
A hydraulic control system (48) is disclosed. The hydraulic control system may have a pump (52), a plurality of actuators (20, 26), and a plurality of valve arrangements (54, 56) configured to meter pressurized. The hydraulic control sys...  
WO/2012/113504A1
Proposed are a compressed air maintenance unit (2) and a consumer control device (1) equipped with the same, wherein the compressed air maintenance unit (2) has an activation valve (14) with 3/3-way valve functionality. By means of the a...  
WO/2012/048179A3
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/2012/114654A1
Provided is a construction machine configured so that the rod-side pressure of a boom cylinder can be released without difficulty. The construction machine includes: a hydraulic pump (14); a boom; a working attachment including a boom cy...  
WO/2012/111074A1
Provided are a hydraulic circuit and control device therefor capable preventing or reducing hydraulic pressure leakage and power loss due to foreign matter deposits. A hydraulic circuit comprises: a first circuit section having an accumu...  
WO/2012/112130A1
The invention is related to a press brake which provides shaping materials such as the sheet metals and it comprises a bending punch (170) which is carried by an upper beam (150), a bending matrix (160) which said material is pressed bet...  
WO/2012/074678A3
A device for directing the flow of a fluid comprises: a pressure pocket; a first fluid passageway; a pressure source; and a pressure switch, wherein the first fluid passageway operationally connects at least the pressure pocket and the p...  
WO/2012/105345A1
Provided are: a regeneration circuit (53) connected to an oil passage (51) through which returning oil of a boom cylinder (3A) flows during a boom-lowering operation, the regeneration circuit having a hydraulic motor (24) to which a gene...  
WO/2012/104485A1
A directional valve for controlling an actuator by means of pressurized medium, comprising at least: a pressure port (P); a work port (A); a tank port (T); a spool (4) moving axially inside the body of the directional valve; a first posi...  
WO/2011/086257A3
The fluidic actuator (12) according to the invention comprises a chamber (32B) filled with a fluid, an element (36) that is movable relative to the chamber (32B) and in contact with the fluid, as well as a passage (44) for circulating th...  
WO/2012/100915A1
The invention relates to a device for transferring a hydraulic working pressure in a pressure fluid for pressure actuating hydraulic units of deep sea systems, in particular deepwater wells, wherein a first pressure chamber (19) for the ...  
WO/2012/095271A1
The invention relates to a hydraulic accumulator system comprising a high-pressure accumulator (4), a low-pressure accumulator (5) and at least one hydrostat (6). In order to reduce an undesired leakage during the operation of the hydrau...  
WO/2012/091621A1
The invention relates to mechanical engineering and can be used for recovering hydraulic energy in hydraulic systems. The invention addresses the problem of creating a highly efficient apparatus for recovering hydraulic energy over a wid...  
WO/2012/091942A1
Example fluid circuits (e.g., within aircrafts) include first (12) and second (32) pump assemblies. The first pump assembly has an electric motor (18) and a first fluid pump (16). The first fluid pump is coupled to the electric motor and...  
WO/2012/088991A1
An energy regeneration power generation system applicable to a vehicle for loading, unloading and carrying comprises a lifting oil cylinder (9). An output pipeline of the lifting oil cylinder (9) is disposed with a pressure sensor unit (...  
WO/2012/037516A3
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/2012/086695A1
A warm-up pilot pressure control unit (71) adjusts pilot pressure inputted to a first flow path opening/closing unit (36) so that the first flow path opening/closing unit (36) is switched to an open state when a warm-up start state is en...  
WO/2012/087659A2
An over shaft rotary actuator with an internal clamp arrangement is provided. The actuator includes an internal clamp arrangement carried within a housing. A drive train and a motor also carried within the housing and mechanically couple...  
WO/2012/085998A1
Provided is a hydraulic control device that is able to prevent transient hydraulic response lag during restarting when air has contaminated pressure oil. The hydraulic control device, which is configured in a manner so as to supply the p...  
WO/2012/085999A1
Provided is a hydraulic control device that is of an automatic transmission and that is able to increase responsiveness and controllability while maintaining the operating efficiency of the automatic transmission. The hydraulic control d...  
WO/2012/079732A1
A hydrostatic drive system for a vehicle (10) comprises an open circuit (100), a closed travel circuit (120), an electronic controller (320), and a main variable displacement hydraulic pump (102) driven by an internal combustion engine (...  
WO/2012/082244A1
A method and system for monitoring and predicting failure in pumps on operating vehicles is disclosed. The method may comprise measuring a plurality of a pressure drops across an orifice in a case drain line of a vehicle operating in dri...  
WO/2012/081201A1
Drive control of an operating machine which drives a structure by a hydraulic motor (2) that is driven by an operating oil supplied from a hydraulic pump (10) via a control valve (14), and an electric motor (3) that works with the hydrau...  
WO/2012/079698A1
The invention relates to a compressed air supply installation (10, 11, 12, 20, 30) for operating a pneumatic installation (90), especially an air suspension installation of a vehicle, comprising a compressed air supply unit (1), a compre...  
WO/2012/082693A1
A hydraulic circuit (20) capable of both a regeneration mode of operation and a full force mode of operation includes a poppet valve (26) controlled by a control valve operating in conjunction with a shuttle valve (28). The opening of th...  
WO/2012/082176A1
A hydraulic system (10) includes an electronically-controlled counter-pressure valve (60) that enables backpressure in a return line (36) of the system to be varied by a control unit (64). The system allows active control of the pressure...  
WO/2012/074678A2
A device for directing the flow of a fluid comprises: a pressure pocket; a first fluid passageway; a pressure source; and a pressure switch, wherein the first fluid passageway operationally connects at least the pressure pocket and the p...  
WO/2012/075441A1
A regenerative hydraulic pump that allows for efficient operation of a hydraulic system under high pressure/low flow conditions that comprises a crankshaft providing a rotating inertial mass, and a regenerative hydraulic pump cylinder th...  
WO/2012/047256A3
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/2012/071204A1
A hydraulic fan circuit (10) is disclosed. The hydraulic fan circuit may have a primary pump (14), a motor (18), a fan (20) connected to and driven by the motor, and a flywheel (28) connected to and driven by one of the motor and the fan...  

Matches 651 - 700 out of 8,209