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Patent Searching and Data


Matches 1 - 50 out of 7,881

Document Document Title
WO/2018/168236A1
Provided is a hydraulic drive device for a work machine that stores energy in a pressure accumulator and thereby recovers/reuses the energy, wherein operability corresponding to a change in the load on a front work machine due to the car...  
WO/2018/168847A1
The present invention enables initial air to be discharged externally by way of a pathway separate to that for a liquid. A lid covering an upper end surface of a case having a substantially bottomed cylindrical shape has provided therein...  
WO/2018/156536A1
A pneumatic cylinder including a cylinder body and a piston. The cylinder body has a chamber that includes an open end of the cylinder body. The piston is slidably moveable within the chamber along an axis of the cylinder. The piston has...  
WO/2018/147491A1
Disclosed is a hydraulic breaker comprising: a cylinder having a plurality of hydraulic ports; a piston reciprocating inside the cylinder by means of a hydraulic pressure of a hydraulic fluid flowing in or discharged through the hydrauli...  
WO/2018/147261A1
Provided is a fluid pressure circuit that can smoothly control a rod of a cylinder device controlled according to an operation command. A fluid pressure circuit (52) comprises: a tank (8) that stores a fluid, a fluid pressure actuator (2...  
WO/2018/147223A1
The present invention is configured such that bubbles do not flow out of a tank with fluid during filtration and such that dust, etc. collected by filtration does not fall into the tank when a filter element is replaced. According to the...  
WO/2018/143081A1
This hydraulic drive system, in which a main circuit forms a hydraulic closed loop with a hydraulic actuator, is provided with: a hydraulic pump connected to the hydraulic actuator through two different pressurized fluid paths ; pressuri...  
WO/2018/131118A1
This fan drive system is provided with: a hydraulic pump; a hydraulic motor that rotates a fan on the basis of a hydraulic oil supplied from the hydraulic pump; a data acquisition unit that acquires the actual rotation speed of the fan; ...  
WO/2018/129232A1
Embodiments of the present disclosure describe both mechanically-operated and electrically-operated, locally-actuated partial stroke testing devices and systems for testing operation of an emergency isolation valve.  
WO/2018/122154A1
The invention relates to a hydraulic arrangement comprising a de-gassing device for a hydraulic pressure medium and comprising a container or line section which is connected fluidically to the de-gassing device and which is configured to...  
WO/2018/124891A1
The encapsulated RFID tag is formed by a casing containing a chip inside. The RFID tag is adhered to the external wall of the gas cylinder. The encapsulated RFID tag is positioned around the neck of the valve of the gas cylinder by means...  
WO/2018/117029A1
This hydraulic shovel driving system is provided with: a boom cylinder; a first boom control valve which is connected to the boom cylinder by a boom raising supply line and a boom lowering supply line, and which is connected to a first p...  
WO/2018/113837A1
The invention relates to a vibration damper (1) for a hydraulic system of a vehicle clutch. Said vibration damper (1) has a damping chamber (2) which is open to one side and which is essentially formed by an inner face (8) of an outer wa...  
WO/2018/117626A1
According to an embodiment of the present invention, a construction machine comprises: one or more hydraulic pumps for discharging working fluid; an engine for supplying rotating power to the hydraulic pumps; a hydraulic line in which th...  
WO/2018/109511A1
Compressed-air supply system (10) comprising: an air supply, comprising an air compressor unit (21) for supplying compressed air to an compressed air supply (1); a compressed air port (2) to the pneumatic installation (90); an air remova...  
WO/2018/104509A2
The invention relates to a device (1) for filling open bags (2) with powdery food, comprising a support structure (3) and a bag holder (4) accommodated on the support structure (3), on which a bag (2) to be filling is suspended. The bag ...  
WO/2018/103699A1
A dust-proof thermal control device for a hydraulic cylinder and a method for applying a dust-proof thermal control device to dust proofing and thermal control. The device comprises a fixed sleeve (3), an annular fan mechanism (4), a sea...  
WO/2018/104509A3
The invention relates to a device (1) for filling open bags (2) with powdery food, comprising a support structure (3) and a filling support (4) accommodated on the support structure (3), on which a bag (2) to be filling is suspended. The...  
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...  
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...  
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...  
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 (...  
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...  
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 ...  
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...  
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...  
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...  
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...  
WO/2018/070917A3
The present disclosure relates to an implement connectable to a working vehicle, said implement comprising an arm; a fastening arrangement arranged at a first part of the arm, said fastening arrangement being connectable to the working v...  
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...  
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 ...  
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...  
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...  
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/2018/056132A1
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...  
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...  
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 ...  
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...  
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 ...  
WO/2018/040460A1
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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, ...  
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...  
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...  
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...  

Matches 1 - 50 out of 7,881