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WO/2018/092510A1 |
According to the present invention, when pressure can be accumulated at an accumulator, a hydraulic fluid that is discharged from a raising/lowering lift cylinder can cause pressure to accumulate at the accumulator via a pressure accumul...
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WO/2018/092509A1 |
According to the present invention, when pressure can be accumulated at an accumulator, a hydraulic fluid that is discharged from a raising/lowering lift cylinder can cause pressure to accumulate at the accumulator via a pressure accumul...
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WO/2018/088145A1 |
Provided are: an energy regeneration device capable of controlling the flow of a hydraulic fluid discharged from an actuator while regenerating energy from the hydraulic fluid; and a work machine provided with same. The regeneration devi...
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WO/2018/087307A1 |
The invention relates to an electropneumatic control system (1) for a pneumatic drive (2) and to an electropneumatic position controller (3) for such a system. According to the invention, a volume flow booster (4) having a bypass valve (...
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WO/2018/087184A1 |
A hydraulic reservoir (10), for use for example in a marine pleasure craft,comprises a vortex chamber (16), a hydraulic fluid return line (18) and a hydraulic fluid suction line (20) respective entering and exiting substantially tangenti...
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WO/2018/086827A1 |
The invention relates to a compressed-air system for use in a rail vehicle, which comprises a compressor for producing compressed air in the compressed-air system, at least two compressed-air accumulators, a pneumatic engine starter for ...
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WO/2018/077329A1 |
The invention relates to a hydraulic circuit (10) for a hybrid drivetrain for changing driving operation states of a hybrid-operated vehicle, comprising a first fluid flow source (12) having a reversible first pump actuator (16), a secon...
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WO/2018/081651A1 |
A hydraulic propulsion system converts heat or thermal energy into hydraulic energy, and such hydraulic energy into mechanical work. The hydraulic propulsion system includes a thermal unit, a hydraulic cylinder with pistons and springs m...
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WO/2018/073152A1 |
The invention relates to a hydraulic drive for a hydraulic spindle, such as a die cushion device of a press machine for example, comprising a fluid pump for providing a volumetric flow for a drawing process from a fluid supply to a hydra...
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WO/2018/074753A1 |
An electro-hydraulic valve actuator of the present invention comprises: a network control unit for remote transmission and reception of an operation condition and an operation signal of the actuator; a failure diagnosis unit for determin...
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WO/2018/070919A1 |
The present disclosure relates to an implement (1) connectable to a work vehicle (20), said implement comprising an arm (2), a fastening arrangement (3) arranged at a first part of the arm, said fastening arrangement being connectable to...
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WO/2018/066310A1 |
A control valve (14) configuring an intermittent air-generating device (10) is made from a five-port valve, the inlet port (24) of which is connected to a fluid supply source (12) and the outlet port (26) is connected to an air-spraying ...
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WO/2018/065533A1 |
The invention relates to a fluidic component (1) for producing a free jet (15), wherein: the component (1) has a flow chamber (10) through which a fluid stream (2) can flow, said fluid stream enters the flow chamber (10) through an inlet...
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WO/2018/040460A9 |
An electric serving ultra-high-pressure system and an operation principle thereof, comprising an oil pump motor set, an oil tank, a pressurizer (15), an oil cooling apparatus, and a water filtering and pressurizing apparatus, all dispose...
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WO/2018/061165A1 |
Provided is a hydraulic drive device that effectively uses pressurized oil stored in an accumulator to achieve a significant improvement in efficiency for an entire work machine. This hydraulic drive device is equipped with: a first hydr...
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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...
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WO/2018/056132A1 |
This filter unit (F1) comprises a filter check valve (FC) provided in a flow path and permitting only the flow of fluid from one side of the flow path towards the other side; and a fluid filter FF provided further on the other side of th...
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WO/2018/055723A1 |
In order to avoid reaching an overload relief set pressure and suppress switching shock, thereby ensuring good operability in a hydraulic energy recovery device wherein return oil in a hydraulic cylinder is pressurized and recovered, thi...
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WO/2018/051644A1 |
A control system (100) for a hybrid construction machine is provided with main pumps (71, 72), a regenerative motor (88) that is rotated by a working fluid, a motor generator (91) connected to the regenerative motor (88), an electricity ...
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WO/2018/047402A1 |
This railroad car vibration damping device (1) is provided with: actuators (A) which are interposed between a railroad car body (B) and a bogie (T), and are capable of exerting a control force; and a controller (C) which determines a tar...
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WO/2018/041565A1 |
The invention relates to a tank having an annular tank space. A separating wall for separating an inflow connection from a drain connection is provided therein. Alternatively, or in addition thereto, a partition for degassing the oil in ...
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WO/2017/080561A9 |
A sanitary valve system (10) comprising an actuator arrangement (20) in an actuator housing (32) comprising a first piston chamber (30I) with a first piston (32I) separating the first piston chamber in a first upper cavity (341U) and a f...
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WO/2018/037925A1 |
Provided are: an energy regeneration device that can regenerate the energy of working fluid that is discharged from an actuator while controlling the flow rate of the working fluid; and a work machine that comprises the energy regenerati...
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WO/2018/036889A1 |
The invention relates to a hydraulic device for degassing and dewatering a hydraulic oil, comprising a pressure source from which a liquid to be degassed flows via a throttle point. The invention is characterized in that the quantity of ...
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WO/2018/037924A1 |
Provided are: an energy regeneration device that can regenerate the energy of working fluid that is discharged from an actuator while controlling the flow rate of the working fluid; and a work machine that comprises the energy regenerati...
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WO/2018/034534A1 |
The present invention relates to a check valve for discharging air which selectively discharges air and a hydraulic fluid, and to a hydraulic actuator for a power plant, having the check valve. The check valve for discharging air accordi...
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WO/2018/034536A1 |
The present invention relates to a valve assembly for discharging air which selectively discharges air and a hydraulic fluid, and to a hydraulic actuator for a power plant, having the valve assembly. The valve assembly for discharging ai...
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WO/2018/024632A1 |
The invention relates to a flushing module (3) for hydraulic drives, in particular self-contained drives, for cleaning and/or replacing hydraulic medium, said flushing module (3) comprising a pump (15), at least one check valve (21, 23, ...
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WO/2018/025546A1 |
A crusher (9) has a switching valve (24) that switches the state of a hydraulic circuit (5) in the crusher (9) so as to: connect a second cylinder (16B) head-side chamber and a housing chamber (S1) when a crushing arm is rotated in the o...
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WO/2018/024790A1 |
To provide a pump control device and a pump control method enables to change the setting of a pump flow. The controller (34) is to obtain the sum total value and the maximum value of the demanded flows from the respective hydraulic actua...
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WO/2018/021801A1 |
An intelligent hydraulic breaker according to an embodiment of the present invention comprises: a cylinder supplied with hydraulic pressure; a piston contained in the cylinder and moved forward or backward by the hydraulic pressure; a ch...
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WO/2018/009057A1 |
An unmanned underwater vehicle (UUV) with a hydraulic system (100) for use in cold surroundings and method of controlling such hydraulic system. The hydraulic system (100) comprises a hydraulic circuit (10). One or more tools (21,22) may...
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WO/2018/007474A1 |
The invention relates to a system (1) for recovering energy from a hydraulic actuator (2) and to a method of operating said system (1), the system (1) comprising: a hydraulic actuator (2); a source of hydraulic pressure, preferably a hyd...
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WO/2018/003580A1 |
Provided is a filter device configured such that: air accumulated within the filter device can be discharged; and the outflow of liquid to the outside from an air vent hole and the back flow of air from the air vent hole can be prevented...
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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...
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WO/2017/216120A1 |
The invention relates to a series hydraulic hybrid system (1) for a vehicle, comprising: a hydraulic circuit {2) comprising a first hydraulic displacement unit (6) in fluid communication with a second hydraulic displacement unit (7), a h...
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WO/2017/216121A1 |
The invention refers to a hydraulic driveline (1) for a vehicle comprising: a main hydraulic circuit (8) with a first hydraulic displacement unit (4) which is fluidly connected with a second hydraulic displacement unit (5) said second hy...
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WO/2017/210492A1 |
Presented herein are systems and methods for attenuating certain pulsations in a hydraulic system comprising a pump and a hydraulic actuator. In certain aspects, an accumulator comprising an internal volume that is divided into a working...
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WO/2017/204697A1 |
Air-drying device (1) for drying air, gas, gases or similar in reservoirs in hydraulic systems in which a variable volume of liquid and air, gas or the like is stored. The treatment of air, gas or gases takes place in at least one first ...
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WO/2017/204040A1 |
This control system (100) for a hybrid construction machine is provided with: first and second main pumps (71, 72); a regenerative motor (88) which is rotatably driven by a returning working fluid; a motor generator (91) connected to the...
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WO/2017/200514A1 |
An air dryer having a heater element associated with its valves to prevent freezing at cold temperatures. The air dryer includes a temperature sensor and an electronic controller that reads the temperature sensor during normal operations...
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WO/2017/200450A1 |
A operator supporting electrohydraulic drive and control system based on, position sensors (8) (9), a electronic control unite ECU (2), a recovery, storing and re-use system for energy, and with actuator (3) (4) and the drive control val...
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WO/2017/194525A1 |
The invention relates to a fluidic component (1) with a front wall (12) and a rear wall (13), which extend substantially parallel to a main plane of extent of the fluidic component (1). Arranged between the front wall (12) and the rear w...
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WO/2017/191852A1 |
A filter status estimation system that estimates the status of a filter that is provided inside a hydraulic circuit. The hydraulic circuit comprises: a filter; a bypass passage that circumvents the filter and that has oil flowing therein...
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WO/2017/186789A1 |
The invention relates to a hydraulic circuit (1) comprising a filtration system (7), the said circuit (1) further comprising a hydraulic propulsion system (2), a booster pump (3) connected to a reservoir (4), the said booster pump (3) be...
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WO/2017/188869A1 |
The present invention relates to a hydraulic system (30) for circulating hydraulic fluid via a pump (26) and a hydraulic motor (28). The hydraulic system (30) comprises a main control valve (36) adapted to be located between the pump (26...
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WO/2017/182268A1 |
The invention relates to a method for operating a valve device for supplying compressed air to a compressed air consumer (3; 63), comprising the steps: determining a first fluid pressure in a first section (20, 21, 22, 23) of a fluid duc...
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WO/2017/178272A1 |
An electropneumatic valve assembly (1) comprises an electropneumatic pilot stage with at least one pilot valve (P1) and comprises a pneumatic power stage which is actuated by the pilot stage. Here, each pilot valve switches at least two ...
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WO/2017/178546A1 |
In a load sensing hydraulic control circuit, a pressure compensator elaborates both a load sensing pressure signal to control a pump unit and a pressure compensated power flow for actuators, the power flow being either split or alternati...
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WO/2017/167428A1 |
The invention relates to a compressed air supply system (10) for operating a pneumatics system (90), in particular an air suspension system of a motor vehicle, having: a compressed air supply line (1), a compressed air connection (2) to ...
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