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Patent Searching and Data


Matches 301 - 350 out of 8,633

Document Document Title
WO/2016/015879A1
The hydraulic actuator comprises: a hydraulic input cylinder having an input piston; a hydraulic output cylinder, which is hydraulically coupled to the input cylinder; and a pressure-limiting valve, which limits the output cylinder with ...  
WO/2016/012240A1
Disclosed is a built-in hydraulic valve comprising a valve bore in which a valve body is accommodated in such a way as to be axially movable. The built-in valve allows a pressurized medium connection between the pressurized medium inlet ...  
WO/2015/143524A3
The present invention relates to a subsea hydraulic actuator with spring return, wherein the spring is directly exposed to sea water, is made of an inert material that is corrosion-resistant and has a special structure. The spring is mou...  
WO/2016/004453A1
An air motor (10) that has opposing chambers (16, 17) to which compressed air is alternatively delivered to drive the motor (10). The motor (10) has a primary valve (52) that governs deli very of the compressed air to the chambers (16, 1...  
WO/2016/005032A1
A valve modular system, comprising individual block components (1 to 4), each of which has a plurality of emerging connection points on at least one part of the free end faces thereof, for the purpose of holding connection components, su...  
WO/2015/197405A1
The invention relates to a valve device comprising a pilot valve (23) and a main valve (22) that is normally closed and has a check valve function. In order to obtain a valve device that has a simple structure and can be produced cost-ef...  
WO/2015/193283A1
Valve with in-built pressure threshold detection, mounted in an engine block pipe, the valve comprising a body comprising an electrically insulating external element (16) and an electrically conducting internal element (18) bearing the s...  
WO/2015/188920A1
The invention relates to a connecting apparatus, provided for fluid-conducting connection to at least one main component (10), which component has a plurality of mutually adjacent fluid passage points (Ρ'1, Ρ'2, P'3, P'n.....P'x), said...  
WO/2015/189610A1
The invention relates to a modular valve pack, in particular a modular valve pack comprising a plurality of solenoid actuated valves. One modular valve pack (10) disclosed in this document comprises a valve module (24) containing valve b...  
WO/2015/185619A2
The invention relates to a hydraulic multiway valve, consisting substantially of: a valve housing; at least one valve chamber which is integrated in the valve housing and extends along a longitudinal axis; an actuating mechanism; a contr...  
WO/2015/185252A1
The invention relates to a hydraulic drive (10) having at least one hydraulic machine (11, 12) in a hydraulic system (25) which has a low-pressure side (13) and a high-pressure side (16). In order to improve the protection of components ...  
WO/2015/180824A1
The invention relates to a valve device, in particular a non-return-type valve device, comprising a valve piston (16) which is guided in a valve housing (18) in a longitudinally movable manner and which fluidically connects a first fluid...  
WO/2015/174814A1
The invention relates to a safety valve for preventing the piston of hydraulic cylinders from falling, by retraction, as a result of pressure drops in the hopper lifting system of a compactor truck. The safety valve comprises: a valve bo...  
WO/2015/169830A1
The invention relates to a packaging machine which comprises a deep drawing station, a sealing station, and/or a cutting device and with which the packaging for packaged products is produced. A vacuum source provides a vacuum for at leas...  
WO/2015/108637A3
A spool valve (150) is associated with a hydraulic system (100) and includes a valve body (152) delineating an inlet port (164), a relief port (166), and an actuator port (168). A spool (170) is movably disposed inside the valve body (15...  
WO/2015/168437A1
A working valve section (120) for a sectional fluid control valve includes a valve section housing (121) having a substantially planar surface (142) for being attached to an adjacent valve section housing; a main control valve spool bore...  
WO/2015/168275A1
A manual override assembly for a hydraulic power source is disclosed with twin spool valves, connecting rods, retaining plug assemblies, and a lever arm, where the spool has a bore with an off-set opening for inserting one end of the con...  
WO/2015/168369A1
A working valve section for a sectional fluid control valve comprising a valve section housing having a substantially planar surface for being attached to an adjacent valve section housing; a main control spool bore (43) extending into t...  
WO/2015/167041A1
Disclosed is a flow control valve for construction equipment for controlling the amount of oil supplied to a hydraulic actuator from a hydraulic pump. The flow control valve for construction equipment, according to the present invention,...  
WO/2015/163767A1
Actuator for use in subsea installations. The actuator comprises a pressure compensator (D) for limitation of temperature-induced pressure increase in a closed hydraulic system in the actuator. The pressure compensator comprises a piston...  
WO/2015/164321A1
A hydraulic unit (40) with a manifold (54) having a front face (58) to which a plurality of metering valves (56a-56d) are mounted for convenient access, and the manifold has ports connectable to ports of the hydraulic actuators on surfac...  
WO/2015/158014A1
A mining manual and automatic integrated electromagnetic pilot valve, comprising a base shell (1) and two sets of compression rod mechanisms, wherein each of the two sets of compression rod mechanisms comprises a compression rod (3), a p...  
WO/2015/157157A1
A servo valve includes a valve housing (102), a piston cylinder (104) disposed in the housing, a piston (108) disposed within the piston cylinder (104) and fluidly connected on a first end to a first fluid pressure pathway (116) and on a...  
WO/2015/153322A1
The control valve assembly includes a valve housing defining a bore and a valve assembly. The valve assembly includes a spool assembly disposed in the bore of the valve housing. The spool assembly includes a first spool and a second spoo...  
WO/2015/147464A1
The present invention relates to a method for controlling a swing motor in a hydraulic system and a hydraulic system. The method for controlling the swing motor in the hydraulic system and the hydraulic system, according to one embodimen...  
WO/2015/142819A1
A back pressure control system adapted to be at least partially integrated with a drill rig.  
WO/2015/141132A1
The operation device (100) is provided with: a pilot valve (3), which has an operation part (2) and is for outputting a pilot pressure corresponding to the amount by which the operation part (2) is operated; and an electric signal-output...  
WO/2015/135554A1
Hydraulic distributors are economical valves in which the resistance to the flow of pressurized oil is minimal; however, they are slow and cannot be controlled rapidly and accurately. In contrast, servo valves and proportional valves are...  
WO/2015/138599A1
A valve assembly for controlling fluid flow is provided. The valve assembly includes a housing having a first chamber and a second chamber, an actuator assembly configured to move between a first position and a second position within the...  
WO/2015/132178A1
A working machine is disclosed having a movable implement (18), a hydraulic actuator (32, 16) for displacing the implement (18), and a hydraulic control system for enable an operator to control movement of the implement (18). The control...  
WO/2015/131918A1
A valve apparatus having at least one valve device (10), the control slide (12) of which is guided in a valve housing (14) so as to be longitudinally movable under the action of two pilot pressures (xA, xB) which act on said control slid...  
WO/2015/131915A1
The invention relates to a valve assembly (1) comprising at least one valve control group (2), which has two valve units (3, 4). Each valve unit (3, 4) contains a valve tappet (15, 16), which is arranged in a valve chamber (12, 13) and w...  
WO/2015/131973A1
A valve unit for affecting a media flow between a supply terminal (38), to which a pressure supply source can be connected, and a pressure terminal (40), to which a hydraulic consumer can be connected, comprises a valve device (88) that ...  
WO/2015/071675A3
A servo valve (1) for use with an actuator. The servo valve comprises a first set of internal ports (4) including a first inlet port (4a), a first outlet port (4c), a first A-control port (4b) and a first B-control port (4d) and a second...  
WO/2015/120748A1
A four-state adjustable air path structure, which is an air storage-type pneumatic actuating mechanism. An air source (1) is respectively connected to an air storage tank (3) and a port a1 of a two-position three-way solenoid valve A (4)...  
WO/2015/119959A1
A valve controller configured to operate on a Foundation Fieldbus Network and including a spool valve movable between at least an opening position and a closing position, and a flapper nozzle pilot valve arranged to move the spool betwee...  
WO/2015/119311A1
Disclosed are a control value for construction equipment for controlling oil flow supplied to a hydraulic actuator from a hydraulic pump by spool switching and a control method thereof. The control valve for construction equipment, accor...  
WO/2015/032492A3
The invention relates to a first valve component (10), in particular a pressure compensator-type component, comprising a valve slide (16) that can be guided in a valve housing (12) in a longitudinal direction, said valve slide having a c...  
WO/2015/108637A2
A spool valve (150) is associated with a hydraulic system (100) and includes a valve body (152) delineating an inlet port (164), a relief port (166), and an actuator port (168). A spool (170) is movably disposed inside the valve body (15...  
WO/2015/108216A1
The disclosed invention relates to a drive control apparatus for a construction machine, comprising a work apparatus operating means, a left drive pedal apparatus, a right drive pedal apparatus and a pilot pump for providing a pilot sign...  
WO/2015/075228A3
The invention relates to a control system with at least two channel- guiding parts (2, 3) and an intermediate plate (1) arranged between the two channel-guiding parts (2, 3). The intermediate plate (1) comprises at least two flat metalli...  
WO/2015/102898A1
A hydraulic system (100) and a method are disclosed. The hydraulic system (100) includes a first pump (106) having an outlet (116) that is fluidly coupled to a first actuator (102) via a first conduit (114), a second pump (136) having an...  
WO/2015/099437A1
The present invention relates to a hydraulic system of construction machinery and a method of controlling the hydraulic system. The hydraulic system of construction machinery and the method of controlling the hydraulic system according t...  
WO/2015/099352A1
One embodiment of the present invention relates to an apparatus for controlling a combined operation of a construction machine, comprising: a first pump and a second pump for supplying under the operation of an operation unit pressurised...  
WO/2015/094142A1
The present invention comprises a poppet (11) which functions as a load check valve, and a pressure balancing slide (9) wherein the poppet (11) functions inside the body at the same time and a spring which separates them from each other....  
WO/2015/085647A1
An inner-circulation high-speed hydraulic system comprises a hydraulic cylinder assembly and a pressurizing valve assembly. The hydraulic cylinder assembly is provided with a high-pressure cylinder body, a hydraulic plunger, and a housin...  
WO/2015/078249A1
Disclosed are an integrated hydraulic valve unit, a hydraulic driving system and a concrete pump, wherein the integrated hydraulic valve unit is integrated from a hydraulically operated reversing valve (10), a first control valve (9), an...  
WO/2015/079292A1
The invention refers to a lift axle control valve module (2) for a lift axle suspension system of a vehicle, said lift axle control valve module (2) comprising a pneumatic spool valve for adjusting the air volume of at least a suspension...  
WO/2015/078089A1
A circular-flow power machine is constituted, as desired, according to variations in force, rate of flow, and number of strokes, and by utilization of limitless increase in power via serial-connection means and an increase in number of s...  
WO/2015/075228A2
The invention relates to a control system with at least two channel‐guiding parts and an intermediate plate arranged between the two channel‐guiding parts. The intermediate plate comprises at least two flat metallic gasket layers as ...  

Matches 301 - 350 out of 8,633