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Patent Searching and Data


Matches 1 - 50 out of 8,481

Document Document Title
WO/2018/119775A1
A counter-recoil sequence valve and a sequential driving method therefor. The counter-recoil sequence valve comprises: a reciprocating plunger cylinder (1), a first hydraulic cylinder group and a second hydraulic cylinder group. Each hyd...  
WO/2018/120784A1
A ballast flattening device (50) and a ballast flattening vehicle having same. The ballast flattening vehicle comprises a vehicle body (40) and the ballast flattening device (50) provided on the vehicle body (40). The ballast flattening ...  
WO/2018/119972A1
A crane hydraulic control system and a crane. The crane hydraulic control system comprises a prime mover (1), an execution control mechanism, a hydraulic energy conversion device (3), a running energy recycling device, and an operation e...  
WO/2018/124998A1
The invention relates to a hydraulic joystick conversion system (1) which enables converting of the mechanical changes acquired in the hydraulic joystick systems to analog electrical signals and to universal communication protocols, esse...  
WO/2018/119508A1
A fluidic device comprising a magnetic reciprocating piston, a central magnetic washer, a sleeve ending with pairs of magnetic and non-magnetic perforated washers or a magnetic plate for piston retention, and at least a coil for electrom...  
WO/2018/119324A1
A renewable energy and waste heat harvesting system is disclosed. The system includes an accumulator unit having a high pressure accumulator and a low pressure accumulator. At least one piston is mounted for reciprocation in the high pre...  
WO/2018/114090A1
The invention relates to a hydraulic block (1) of a slip control system of a hydraulic vehicle brake system. According to the invention, receptacles (11) for the hydraulic accumulator and receptacles (7) for outlet valves are provided op...  
WO/2018/109743A1
The present finding is in the field of servomechanisms for the hydraulic driving of directional control valves used in the construction of mobile vehicles and, in particular, object of the present finding is a differential area servomech...  
WO/2018/099747A1
For the purpose of redundancy, the invention proposes ports (10) for a separate externally powered brake pressure unit to a hydraulic block (1) of a hydraulic unit of a slip control system of a hydraulic externally powered vehicle brakin...  
WO/2018/100074A2
The invention relates to a large manipulator (1), in particular a truck-mounted concrete pump, comprising a turntable (3) that can be rotated about a vertical axis by means of a rotary drive and is arranged on a chassis (2), an articulat...  
WO/2018/098138A1
A hydraulic valve assembly having a regeneration circuit, where the hydraulic valve assembly is switchable between a regenerative mode and a non-regenerative mode as the valve assembly supplies fluid to operate a hydraulic device. The hy...  
WO/2018/092629A1
This composite valve (1A) is formed by a valve body (10A), a first valve module (40A), and a second valve module (70A). The valve body (10A) has: a first body section (10a) for attaching the first valve module (40A); a second body sectio...  
WO/2018/093112A1
Provided in the present invention is a machine tool comprising: a base; a rotation plate disposed to be rotatable above the base; a pallet including a fixture for clamping a base material and disposed on the rotation plate so as to co-ro...  
WO/2018/087713A1
A control assembly of a solenoid valve for a delivery device; the control assembly (3) comprising a first input (5) configured to be coupled to a control device (11) of the delivery device (10) and to be supplied by a power supply voltag...  
WO/2018/086824A1
A valve arrangement is proposed which has at least one valve unit (15), in which a valve slide (25) which can be switched over between a closed position and an open position is arranged, which valve slide (25) separates the two valve duc...  
WO/2018/083083A1
A hydraulic system (10) for a tiltrotator (13) and an auxiliary tool (14) arranged on a crane arm, excavator or the like, the hydraulic system comprising a pressure supply for pressurizing a hydraulic fluid and a common supply line (15) ...  
WO/2018/076536A1
A heat dissipation-type electromagnetic reversing valve, comprising a valve body (1), a valve core (2), a valve body end cover (3) and an electromagnet assembly (4). Two ends of the valve body (1) are respectively connected to the electr...  
WO/2018/074628A1
The present invention relates to a load sensing flow control system for a construction machine and, more specifically, to a load sensing flow control system for a construction machine, which can improve the operability of an operation le...  
WO/2018/075241A1
Methods and apparatus of stabilizing a valve positioner when testing a solenoid valve are disclosed. An example apparatus includes a solenoid valve (202) and a valve positioner (106) fluidly and communicatively coupled to the solenoid va...  
WO/2018/075596A1
A hydraulic circuit (38, 54) may be used for controlling a plurality of hydraulic implements (36, 50, 52). The hydraulic circuit (38, 54) may include a first directional valve (66), a second directional valve (64), and a relief valve. A ...  
WO/2018/074741A2
The present invention relates to an air compressor, a control device thereof, and an automobile shock absorber system using the same air compressor and control device, wherein a reciprocating air compressor, an exhaust actuator, and a pn...  
WO/2018/074741A3
The present invention relates to an air compressor, a control device thereof, and an automobile shock absorber system using the same air compressor and control device, wherein a reciprocating air compressor, an exhaust actuator, and a pn...  
WO/2018/071412A1
A hydraulic control valve maintains the pressure at a control port at a desired percentage of the pressure at two other ports as the pressure at the two other ports varies. Upon the pressure at the control port reaching a predetermined p...  
WO/2018/068929A1
The invention relates to a solenoid valve (10) for a hydraulic braking system, comprising: a magnetic assembly; a pole core (11); a guide sleeve (13) joined to the pole core (11); a valve armature (20) running axially movably within the ...  
WO/2018/068876A1
The invention relates to a discharge pressure scale (30) consisting of at least one valve housing (41) having at least three fluid connection points in the form of a functional connector (A), a return flow connector (T) and a control con...  
WO/2018/067018A1
The invention relates to a downhole tractor having at least one hydraulic drive section, comprising a first hydraulic supply line (200, 200-1) for actuating at least one hydraulic cylinder (160) for actuating at least one tractor arm and...  
WO/2018/067153A1
A system for control using a hydraulic fluid includes a hydraulic control line for flowing the hydraulic fluid, a fluid line in fluid communication with the hydraulic control line, a flow controller configured to regulate a flow of the h...  
WO/2018/068054A1
A hydraulically- actuated device comprises a self-contained fluid reservoir comprising a tank for receiving a fluid, a reservoir port, and a flexible diaphragm. An actuation member comprises a hydraulically actuated piston in a cylinder....  
WO/2018/058168A1
An apparatus for actuating a hydraulic cylinder comprising feed and return hydraulic hoses, extend and retract hoses, a hydraulic pump, a directional valve and control means. The feed and return hydraulic hoses are each removeabley conne...  
WO/2018/063055A1
The invention relates according to a first aspect to a multi-way valve comprising a control pressure channel (5), a first control fluid channel (12) extending between a first opening (13) and said control pressure channel (5), a second c...  
WO/2018/059727A1
1. Valve and valve device comprising a valve of that type. 2. The invention relates to a valve comprising a valve housing (33), which has at least one service connection (A, B), a pressure supply connection (P) and a return connection (T...  
WO/2018/064148A1
A selector control that is manually operable by a user for activating or deactivating a primary control or a secondary control. The selector control may include a first state for activating the primary control and deactivating the second...  
WO/2018/051240A1
A distributor device (14) is arranged for controlling a plurality of actuators (5), each of which is intended to open or close a corresponding mould (2). The distributor device (14) comprises a rotary part (15) rotatable about an axis (R...  
WO/2018/048291A1
A system for controlling construction machinery comprises: a hydraulic pump; first and second actuators respectively connected to the hydraulic pump through first and second parallel lines; first and second control valves for respectivel...  
WO/2018/044099A1
A system for controlling a construction machine comprises: a hydraulic pump; a first and a second actuator connected to the hydraulic pump through a first and a second parallel line, respectively; a first and a second control valve for c...  
WO/2018/041494A1
The invention relates to a method for retrofitting a turbine system with a control unit (1) that has a main actuating drive (2) which is provided for controlling the turbine rotational speed and which comprises a main piston (3), said ma...  
WO/2018/039791A1
A hydraulic system includes two or more linear hydraulic actuators and is operable in, and is switchable between, a hydrostatic operating mode and a non-hydrostatic operating mode.  
WO/2018/033697A1
A turbo pump vent assembly and method are disclosed. The turbo pump vent assembly comprises: a primary manual actuator operable to deliver an initial volume of air to a turbo pump; and a secondary manual actuator operable to deliver a se...  
WO/2018/032017A1
A hydraulic actuator control system performs pressure compensation in the system by monitoring the pressure differential across a meter-out device. A flow of fluid can be directed from a pump through a meter-in device to a chamber of an ...  
WO/2018/026184A1
The present invention relates to a fork movement control device. The fork movement control device comprises: a first control valve unit connected to a first head port of a first cylinder by a first channel line and connected to a first t...  
WO/2018/026437A1
A stepper motor driven actuator system is provided. The system includes a stepper motor, a cam, and a gearbox system. The gearbox system operatively connects the stepper motor to the cam. The cam rotates in response to stepping of the st...  
WO/2018/019741A1
It is to provide a control valve that can make the valve body smaller and the structure simplified and the hydraulic pressure system equipped therewith. [Solution Means] The plural number of parallel feeder oil paths (21, 22) that are re...  
WO/2018/012662A1
A pressure-compensated load transfer device (1) according to the present invention comprises: a plate (24) having a first shaft (10) vertically installed on one side thereof and a second shaft (14) vertically installed on the other side ...  
WO/2018/001388A1
A high-efficiency bending machine bending method, wherein an oil inlet of an oil pump (2) is connected to an oil tank (16), an oil outlet of the oil pump (2) is connected to a P port of a three-position four-way electromagnetic reversing...  
WO/2017/219876A1
Provided is a differential pressure unloading safety valve, comprising a valve body (1), a valve core (2), and a valve spindle (3). The valve body (1) is provided with a liquid inlet hole (17), a first cavity (1a) and a second cavity (1b...  
WO/2017/220193A1
A valve apparatus for influencing a flow of medium between a supply port (38) and a pressure port (40), having a valve device (10) which, in at least one closed position, blocks the connection between the supply port (38) and the pressur...  
WO/2017/218991A1
A servovalve system comprising a pilot stage valve in communication with an hydraulic stage valve, the hydraulic stage valve comprising a valve member movably mounted in a valve chamber to selectively meter fluid flow in a flow path from...  
WO/2017/215631A1
A hydraulic cushioning device is disclosed pertaining to the field of hydraulic parts. A signal device (X) is installed at a position close to an end of a cylinder stroke to control movement of slide valves (12, 18, 12a, 12b, 12c, 12d, 1...  
WO/2017/210386A1
A valve assembly has a port selection assembly with an inlet fluid path and a plurality of outlet fluid paths and a servo-driven barrel. The barrel includes a slot that is aligned with the inlet fluid path. The barrel also includes multi...  
WO/2017/207130A1
The invention relates to an electromagnetic valve device, comprising armature elements (12, 14), which can be moved in an axial direction in response to energization of stationary coil elements (16) in order to actuate a valve slide asse...  

Matches 1 - 50 out of 8,481