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Patent Searching and Data


Matches 651 - 700 out of 8,695

Document Document Title
WO/2012/149005A2
A reciprocating pump comprises a cylinder, an inlet check valve, a piston, an outlet check valve and a purge circuit. The cylinder has a first end and a second end. The inlet check valve is disposed proximate a first end of the cylinder....  
WO/2012/148961A2
The present disclosure sets forth an axial piston pump with greatly improved throughput. The axial piston pump provides cylinders, antechambers, and fluid flow apertures which are uniquely shaped and dimensioned so as to increase the ove...  
WO/2012/118698A3
A two-stage, variable force, solenoid control valve (10) for regulating fluid pressure can include a valve body (12) having a pilot fluid passage (14), including a metering land (16), in fluid communication with a flow amplifying fluid p...  
WO/2012/144665A1
Disclosed is a hydraulic circuit for controlling booms of construction equipment, wherein working oil which is relieved from a large chamber of a boom cylinder passes through an orifice so as to prevent the boom from lowering if an overl...  
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/2012/145208A2
A hydraulic system (104, 250) includes an actuator (132, 260), a pump (180, 258), rod side and cap side fluid connections (172, 174, 261, 259) between the pump (180, 258) and the rod and cap side chambers (168, 262, 170, 259), respective...  
WO/2012/102488A3
The present invention pertains to a hydraulic system for a construction machine having an electronic hydraulic pump. More specifically, the hydraulic system temporarily drives the construction machine when the operation of the electronic...  
WO/2012/138985A1
A fluid end manifold comprising a body having a front side and a back side, a first cylinder bore formed horizontally through the body, a second cylinder bore formed vertically through the body, a front mating face, and a back mating fac...  
WO/2012/130475A1
The invention relates to a valve having a control slide (3) which is disposed so as to be slidably mounted in a cylinder bore (2) of a valve housing (1), the axial position of said control slide in the cylinder bore (2) being detectable ...  
WO/2012/130387A1
A modular switching valve arrangement (12) comprising a plurality of switching valves (20) which are arranged adjacent to one another is characterized in that each switching valve (20) has at least one media connection (34) on which a co...  
WO/2012/135490A1
A poppet valve assembly to control a pneumatic actuator may include a housing having a central bore. A first module may be disposed within the central bore, and the first module may have a first and second poppet valve. A second module m...  
WO/2012/134056A1
The present invention applies to a vacuum transfer system, and relates to an air control valve for controlling the supply and blocking of pressurized air. More specially, the control valve of the present invention is configured to execut...  
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/2012/126468A1
A proportional valve is provided comprising a valve (1) comprising a housing (2) having an inlet (3) and an outlet (4), a valve element (5) being positioned beĀ¬ tween said inlet (3) and said outlet (4), said valve element (5) being move...  
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/2012/128797A2
A normally closed, electrical solenoid actuated, pressure compensated, proportional, hydraulic flow control valve (4) includes a fluid flow control poppet valve (5), a pilot operator (6), a solenoid operator (7) and a pressure compensato...  
WO/2012/123691A1
A servovalve pilot stage (100) comprises a piezoelectric actuator (130) joined to a flow guide (132) and feedback wire (136) for connection to a main stage spool valve. The flow guide (132) and the piezoelectric actuator (130) may be int...  
WO/2012/122996A1
The invention relates to a module arrangement comprising a plurality of function modules (3) lined up alongside one another in a stacking direction (2), which are connected to one another so that they are in fluid and electrical communic...  
WO/2012/124853A1
The present invention relates to a hydraulic apparatus for a wearable robot. The hydraulic apparatus includes: a hydraulic pump supplying oil pressure to the hydraulic actuator of the wearable robot, wherein the hydraulic pump compresses...  
WO/2012/125792A2
A hydraulic system includes a first pump and a plurality of valves that control fluid flow from the first pump to several actuators. Variable source orifices in the control valves are connected in parallel between the first pump and a no...  
WO/2012/119568A1
A reversing valve having M type functionality comprises a valve core (3) and a valve body, the valve core (3) being arranged in a cavity of the valve body (4), on the valve body (4) there being arranged a first pressure oil port (P1), a ...  
WO/2012/082354A3
An independent metering valve (24) (IMV) assembly is disclosed that includes a metering stem (21) including an inlet (29). The IMV assembly also includes a hydro-mechanical control valve (37) in communication with a fluid source and 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/2012/121826A1
A bypass arrangement in accordance with an embodiment of the invention includes an actuator movable in a first direction and a second direction, a volume booster in fluid communication with the actuator, the volume booster having a suppl...  
WO/2012/121427A1
Disclosed is a hydraulic circuit for a pipe layer, in which the generation of hydraulic shock in equipment is prevented when an operating device or a moving device is finely operated during combined work in a pipe-laying operation mode. ...  
WO/2012/087012A3
The present invention relates to a hydraulic system for a construction machine which uses an electric hydraulic pump, and more particularly, to a hydraulic system including an emergency control unit for temporarily operating the construc...  
WO/2012/087081A3
The present invention relates to an oil pressure system for a wheel loader, and more particularly to a wheel loader which includes an oil pressure system having a confluent circuit and reduces the occurrence of impact during a loading wo...  
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/2012/118698A2
A two-stage, variable force, solenoid control valve (10) for regulating fluid pressure can include a valve body (12) having a pilot fluid passage (14), including a metering land (16), in fluid communication with a flow amplifying fluid p...  
WO/2012/082355A3
A load lock valve (72) for a hydraulic system (44) is disclosed. The load lock valve may have a block (63) with a first bore (88), and a body (90) disposed within the first bore. The body may have a second bore (82), and first and second...  
WO/2012/073110A3
A hydraulic fan circuit (10) is disclosed. The hydraulic fan circuit may have a primary pump (14), a high-pressure passage (26) fluidly connected to the primary pump, and a low-pressure passage (24) fluidly connected to the primary pump....  
WO/2012/113208A1
Disclosed in the present invention is a power drive device of a concrete pumping equipment, which comprises a first power source (1), a second power source (2), a first hydraulic pump (3), a hydraulic motor (6), a transmission casing (7)...  
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/2012/111931A2
The present invention pertains to a solenoid pump and an actuator including the same. More specifically, the solenoid pump includes a housing; a driving coil which is wound on the inside of the housing and fixed thereto; a magnetic plung...  
WO/2012/082357A3
A hydraulic system (76) for a machine (10) is disclosed. The hydraulic system may have a tank (78) configured to hold a supply of fluid, a pump (80) configured to draw fluid from the tank and pressurize the fluid, a first cylinder (34) o...  
WO/2012/104046A1
The invention relates to a hydraulic actuating assembly for valves for controlling process fluid flows, comprising a valve that is operated by an actuator and that is pre-tensioned in the direction of a closing position. The actuator has...  
WO/2012/078255A3
An integrated manifold system 10 maximizes space for the circuit board 16 while enabling efficient control of one or more pneumatic devices. The manifold system includes a manifold block 12, a solenoid valve 8, 9 attached to the manifold...  
WO/2012/106415A1
A mesofluidic scale digital valve system is disclosed. The mesofluidic scale digital valve system includes a first mesofluidic scale valve having a valve body (502) including a bore, wherein the valve body is configured to cooperate with...  
WO/2012/106285A1
A mesofluidic valve including a cylindrical body (102) having a bore formed there though, the cylindrical body including an inlet port (104) disposed at a first end (200) and an outlet port (204) disposed distal to the inlet port and sub...  
WO/2012/104047A1
The invention relates to a hydraulic actuating assembly comprising a regulating valve that is designed with a safety actuator. The safety actuator can be triggered electrically and hydraulically. The invention also relates to an actuatin...  
WO/2012/102986A2
A pneumatic manifold for a braking system of a railway vehicle includes a first manifold section and a second manifold section, each having an interior surface thereon and a plurality of ports and passageways extending therethrough, and ...  
WO/2012/102488A2
The present invention pertains to a hydraulic system for a construction machine having an electronic hydraulic pump. More specifically, the hydraulic system temporarily drives the construction machine when the operation of the electronic...  
WO/2012/096526A2
The present invention relates to a method for controlling a hydraulic pump of a wheel loader, in which the flow rate of the hydraulic pump is reduced to improve the acceleration performance of the wheel loader when there is a request for...  
WO/2012/094991A1
The present invention relates to the technical field of the hydraulic circuit apparatus. Disclosed is an apparatus for improving excavating operation characteristic and grading work characteristic of an excavator comprises a solenoid val...  
WO/2012/094012A1
A fluid container usable with an image forming apparatus is disclosed. The fluid container includes a housing unit, a free-fluid chamber disposed in the housing unit and configured to store fluid, and a regulated chamber disposed in the ...  
WO/2012/093240A1
The present invention relates to a pressure regulating device (1), in particular a hand- or foot-operated hydraulic controller for a heavy construction machine, characterised in that it comprises an electrical or electronic means (20) fo...  
WO/2012/091184A1
An energy recycling system is disclosed. When a construction apparatus performs a combined operation of a boom down operation and an arm out operation, hydraulic energy returned in the boom down operation is recycled for the arm out oper...  
WO/2012/091194A1
The present invention relates to a holding valve that is used for a hydraulic circuit for controlling a working device actuator of construction equipment, and to a holding valve for construction equipment in which a double nut and a slee...  
WO/2012/064017A3
The present invention relates to an intensifier for discharging a constant flow. The intensifier of the present invention comprises a hydraulic pump, a hydraulic motor, a supply passage, first control means, and second control means. The...  

Matches 651 - 700 out of 8,695