Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 7,965

Document Document Title
WO/2019/049435A1
In the present invention a hydraulic circuit (11) in a hydraulic shovel (1) comprises: a main hydraulic circuit (11A) that includes a boom cylinder (5D); a pilot hydraulic circuit (11B) for operating the boom cylinder (5D); and an oil re...  
WO/2019/049434A1
A fluid circuit (10) for air cylinders is provided with a switching valve (14), an air supply source (16), an exhaust port (18), and a check valve (20). When the switching valve is in a first position, one cylinder chamber (32) is connec...  
WO/2019/049436A1
According to the present invention, a controller (45) is provided with: an elapsed time measurement unit (47A) which, by means of a reset signal from a reset switch (44), measures the time (tx) elapsed since the initial use of an accumul...  
WO/2019/046927A1
The application of fluidic systems to a variety of consumer devices would typically exploit fluidic structures of a few millimeters to a centimeter or so that are between the common fluidic realms of microfluidics and macrofluidics. For ...  
WO/2019/044808A1
A cylinder device (C1) according to the present invention comprises: a cylinder (2); a rod (4) inserted into the cylinder (2); a piston (3) that is slidably inserted into the cylinder (2), is connected to the rod (4) and partitions the i...  
WO/2019/039286A1
The purpose of the present invention is to enable air in a closed-circuit oil-hydraulic drive unit to be easily bled. This hydraulic drive unit (1) is provided with a pump (12), a pair of supply and discharge lines (13a, 13b), a valve bl...  
WO/2019/034551A1
A drive train module (10) for a motor vehicle is described, which drive train module (10) comprises a clutch (12) with an input region (14) and with an output region (16), wherein mutual rotational driving of the input region (14) and of...  
WO/2019/034341A1
The invention relates to a compressed air maintenance unit (1) that has at least two maintenance devices (2, 3) with a respective device housing (12) through which a device channel (18) passes. The maintenance devices (2, 3) are connecte...  
WO/2019/015109A1
The present invention belongs to the field of mechanical apparatuses, and provides a duplex oil cylinder, a crossbeam opening and closing device, a crossbeam opening and closing method, and a crossbeam opening and closing control system....  
WO/2019/011860A1
The present invention relates to a hydraulic valve control unit for an open center hydraulic system, the open center hydraulic system comprising a pump, a shunt valve and one or more actuator valves coupled to the shunt valve, wherein ea...  
WO/2019/011859A3
The present invention relates to An open center hydraulic system (100), the open center hydraulic system (100) comprising a tank configured to hold hydraulic fluid, a pump configured to provide pressurized hydraulic fluid from the tank, ...  
WO/2019/011859A2
The present invention relates to An open center hydraulic system (100), the open center hydraulic system (100) comprising a tank configured to hold hydraulic fluid, a pump configured to provide pressurized hydraulic fluid from the tank, ...  
WO/2019/004156A1
This hydraulic drive system is provided with: a hydraulic motor; a bi-directional pump connected to the hydraulic motor so as to form a first closed loop and driven by an engine to supply hydraulic oil to the hydraulic motor; a first reg...  
WO/2019/000251A1
An intelligent adjustable high-pressure pump station system, comprising an oil tank (1), energy accumulators (2), and oil pumps. The oil tank (1) is connected to at least two oil pumps by means of pipelines; an energy accumulator (2) is ...  
WO/2018/228705A1
A process control device (1) is proposed which has an electropneumatic control unit (2) which is used for activating a pneumatic actuating drive (3). The control unit (2) has a fastening module (36) by means of which it is fastened to a ...  
WO/2018/229442A1
A device for penetrating into a fluid, comprising at least one profile (10), a fluid injector (14), a means for measuring the separation of the flow (18) along the profile, downstream of the injector, and an injector activity controller ...  
WO/2018/224834A1
A fluidic control system (1) for controlling a vehicle, which includes a controller (2) and a closed fluidic circuit. The circuit includes a pump (3)for pressurising fluid in the circuit, valve means (40, 50, 60), an actuator (4, 5, 6) a...  
WO/2018/221410A1
This hydraulic valve unit (53) is provided with a main oil path (54) which allows communication between a master cylinder side and a slave cylinder side, and a bypass oil path (55) which circumvents a valve mechanism (56) in the main oil...  
WO/2018/210084A1
An automatic-pressure-matching energy utilization system, comprising a synchronous motor (1), a control valve (2), a working pump (3), an energy accumulator (4), a pressure actuator (5), and corresponding oil path connections. A master o...  
WO/2018/206316A1
The invention relates to a valve comprising a valve housing (2) which, for transport of a heatable fluid such as hydraulic oil, has at least one utility connection (A, B), at least one pressure supply connection (P), and at least one ret...  
WO/2018/202290A1
An electropneumatic controller (7) is proposed, which has an electropneumatic control unit (24) on which is provided an expansion interface (26), on which an expansion module arrangement (25) is fitted. In the expansion module arrangemen...  
WO/2018/202291A1
The invention relate to an electropneumatic control apparatus (3), which has a carrier module (38), on which a control unit (22), which is equipped with control electronics (34) and control valve elements (23), and an expansion module as...  
WO/2018/200700A1
A system for damping mass-induced vibrations in a machine having a long boom or elongate member, the movement of which causes mass-induced vibration in such boom or elongate member. The system comprises multiple pressure sensors operable...  
WO/2018/200689A1
A system for damping mass-induced vibrations in a machine having a long boom or elongate member, the movement of which causes mass-induced vibration in such boom or elongate member. The system comprises at least one motion sensor operabl...  
WO/2018/200696A1
A system for compensating for drift or movement of a hydraulic actuator connected to a machine's boom or similar elongate member that is caused, at least in part, by damping of mass-induced vibration. The system comprises a processing un...  
WO/2018/193914A1
The present invention is capable of preventing bubbles from forming on a liquid surface even when the height of the liquid surface changes and the liquid surface shakes significantly. The interior of a tank body for storing a liquid is p...  
WO/2018/191790A1
This disclosure relates to a system for reducing cavitation at a surface that moves relatively with respect to a first fluid. The system comprises a degasser configured to at least partially degas a second fluid. The system also comprise...  
WO/2018/179183A1
This working machine is provided with: a hydraulic cylinder 20 which drives a working implement 3; a control valve 22 which switches a discharge pipeline of a hydraulic pump 21 to be connected to a bottom oil chamber or a rod oil chamber...  
WO/2018/179070A1
The objective of the present invention is to provide a hydraulic control system for a working machine with which it is possible to detect an abnormality in a pump output switching device irrespective of the state of the abnormality of th...  
WO/2018/179574A1
This hydraulic control device comprises a pilot pressure control device (21) that variably controls pilot pressure supplied to a hydraulic pilot part of a directional control valve (14). The pilot pressure control device (21) includes fi...  
WO/2018/170951A1
Disclosed is a fixing device for a hydraulic valve, the fixing device comprising a fixing telescopic rod (1), a fixing telescopic rod transition plate (2), a fixing telescopic rod bottom disc (3), a fixing bolt (4), a fixing suction disc...  
WO/2018/175741A1
Hydraulically-amplified, self-healing, electrostatic actuators that harness electrostatic and hydraulic forces to achieve various actuation modes. Electrostatic forces between electrode pairs of the actuators generated upon application o...  
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...  

Matches 1 - 50 out of 7,965