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Patent Searching and Data


Matches 551 - 600 out of 8,191

Document Document Title
WO/2013/064564A1
A launch system (1) for a lifeboat including a hydraulic subsystem configured for emergency launch of a lifeboat. The subsystem includes a motor (10) configured for, during launch operation, establishing a flow of pressurized hydraulic o...  
WO/2013/003046A3
A hydraulic control system (50) for a machine (10) is disclosed. The hydraulic control system may have a work tool (16) movable to perform an excavation cycle having a plurality of segments, a motor (49) configured to swing the work tool...  
WO/2013/066803A1
A machine (10) such as a wheel loader (10) includes a frame (16) and ground engaging propulsion elements (14) coupled with the frame (16). A hydraulically actuated implement system (12) of the machine (10) includes a linkage (34) and an ...  
WO/2013/060824A1
The invention relates to a condensate separator device for a compressor arrangement for the production of compressed air, comprising a separator housing (1) that has a compressor-side inlet connection (4) as well as an outlet connection ...  
WO/2013/060233A1
Disclosed in the present invention are a pumping device, a hydraulic distribution system and a heating method thereof. The hydraulic distribution system comprises a hydraulic pump (1), a direction valve (7), a check valve (2), an accumul...  
WO/2013/019656A9
The invention relates to a process flow scheme for Hydraulic Transient Energy Generation. The invention is based on the principle of hydraulic transients involving conversion of kinetic energy into potential (pressure) energy. The Hydrau...  
WO/2013/059386A1
A hydraulic system (56) is disclosed. The hydraulic system may have a first circuit (60) fluidly connecting a first pump (66) to a swing motor (43) in a closed- loop manner, and a second circuit (58) fluidly connecting a second pump (66)...  
WO/2013/058704A1
An actuator, comprising a cylinder (1), an actuator piston (2) displacably arranged in the cylinder (1), a pressure fluid circuit having a channel (3) mouthing in said cylinder (1), an indirectly electrically controlled first valve body ...  
WO/2013/056545A1
Provided are an energy-recoverable hydraulic actuator and an actuating method. The actuator comprises an electrical energy storage device (1), a controller (2) for an electric motor, the electric motor (3), an element (4), a first hydrau...  
WO/2013/059536A1
A hydraulic system (56) is disclosed. The hydraulic system may have a first circuit (64) fluidly connecting a first pump (66) to a swing motor (43) and to a first travel motor (42R) in a parallel closed-loop manner. The hydraulic system ...  
WO/2013/003050A3
An energy recovery retrofit kit for a hydraulic control system (50) is disclosed. The energy recover retrofit kit may have at least one of a first accumulator (108) and a second accumulator (110). The energy recover retrofit kit may also...  
WO/2013/057553A1
An aircraft hydraulic air bleed valve system (10) having an air vent valve (32) connected to an electronic controller (14,18) where the opening of the air vent valve is permitted only when the aircraft is in a pre-determined flight mode ...  
WO/2013/057919A1
Provided is a hydraulic control device for which it is possible to reduce power loss and to suppress cavitation of a regenerative motor for regenerating energy possessed by a hydraulic actuator; also provided is a work machine equipped w...  
WO/2013/059110A2
A hydraulic system (72) is disclosed. The hydraulic system may have a unidirectional variable displacement first pump (76), a first hydraulic actuator (26) connected to the first pump via a closed-loop first circuit (74), a unidirectiona...  
WO/2013/058942A1
A hydraulic system (56) is disclosed. The hydraulic system may have a plurality of closed-loop circuits (58, 60, 62) fluidly connecting a plurality of pumps (66) to a plurality of actuators (42L, 42R, 43, 26, 32), and at least one contro...  
WO/2013/059540A1
A method of controlling a hydraulic system (56) includes providing fluid to a first actuator (26) with a first pump (66) via a first closed-loop circuit (58) of a machine (10), and providing fluid to a second actuator (42L) with a second...  
WO/2013/057558A1
An air bleed valve (50) having a housing with hydraulic fluid there in and a first acoustic wave sensor (57) mounted within the housing so as to be covered in the hydraulic fluid and a second acoustic wave sensor (56) mounted within the ...  
WO/2013/059020A1
A hydraulic system (46) is disclosed that has first and second passages (86, 88) connecting a pump (50) to an actuator (22) in closed-loop manner, and first and second load-holding valves (86, 88) within the first and second passages. Th...  
WO/2013/055156A1
The present invention relates to a hydraulic control device using a hydraulic actuator, provides a hydraulic control device using a hydraulic actuator, and comprises: a hydraulic actuator having a clearance pocket; an oil supply line and...  
WO/2012/008867A3
A device for fluid power recuperation with reduced heat losses and increased efficiency of fluid power recuperation combined with better manufacturability and possibility of using off-the-shelf gas receivers (bottles). The device compris...  
WO/2013/054954A1
Disclosed is an actuator displacement measurement system capable of detecting actuator displacement by using characteristics of an electronic hydraulic system. An actuator displacement measurement system according to the present inventio...  
WO/2013/049964A1
A method for controlling a closed type hydraulic system is disclosed. The closed type hydraulic system comprises multiple closed type hydraulic pressure subsystems (100) driven by a common driving source, wherein each closed type hydraul...  
WO/2013/048285A1
The device for the recovery of hydraulic energy comprises at least one hydro-pneumatic accumulator, the body of which is provided with a fluid port connected to a fluid reservoir of the accumulator, said reservoir being separated by a mo...  
WO/2013/048745A1
A hydraulic system (72) is disclosed. The hydraulic system may have a pump (80), a first actuator (34), and a meterless circuit (74) connecting the first actuator to the pump. The hydraulic system may also have a second actuator (26) con...  
WO/2013/048712A1
A hydraulic system (56) is disclosed. The hydraulic system may have a pump (80), and a hydraulic actuator (26) having a first chamber (52) and a second chamber (54). The hydraulic system may also have a first pump passage (82) fluidly co...  
WO/2013/048803A1
A hydraulic system (72) is disclosed. The hydraulic system may have an over-center, variable-displacement pump (80), an actuator (26), and first and second passages that create a closed- loop circuit (74). The hydraulic system may also h...  
WO/2012/167892A3
The invention relates to a hydropneumatic device having pressure intensification, wherein the hydropneumatic device has a working part (8) having a working piston guided in the working part (8) has a intensifier part (9) having a intensi...  
WO/2012/173815A3
A closed hydrostatic circuit (10) with variable charge and variable flushing systems is disclosed. A variable displacement charge pump (47) is configured to supply charge fluid and pilot control fluid to the hydrostatic circuit. An elect...  
WO/2013/041493A1
An oil level control device in a main tank of a supply circuit, the supply circuit comprising: a main tank (4); a first pump (1) which, in aspiration, is connected to the main tank (4); a main hydraulic circuit (100), which is connected ...  
WO/2013/041434A1
The invention relates to a closed level regulating system for a vehicle for pneumatic level regulation of pneumatic springs (290), comprising: a compressor (100), an air dryer (110), a level regulating unit, comprising a compressed air r...  
WO/2013/039719A1
A temperature compensated accumulator includes a housing having a first and a second longitudinal end. Each longitudinal end has a port. The housing is divided into three sections by two bulkheads. A first piston is disposed in the housi...  
WO/2013/035484A1
A work machine configured such that the maximum value for absorption torque for a hydraulic pump is changed to a higher value when the work machine is in a specified state, and wherein the issues occurring when an operation lever is oper...  
WO/2013/035815A1
A hybrid excavator as in an embodiment of this invention is provided with a main pump (14), a hydraulic pump and motor (310) using hydraulic oil flowing out from a boom cylinder (7) to function as a hydraulic motor and to function as a h...  
WO/2013/035521A1
Provided is a hydraulic system for a work machine, whereby responsiveness during low-temperature operation of remote control valves that pilot-operate pilot switching valves for hydraulic actuator control can be secured. A warm-air circu...  
WO/2012/162235A3
A pump system (24) is disclosed. The pump system may have a pump (28) with a displacement that is variable, and an actuator (34) movable to adjust the displacement of the pump. The pump system may also have an electro- hydraulic valve (3...  
WO/2013/033379A1
A hydraulic system (46) is disclosed. The hydraulic system may have a pump (50), a hydraulic actuator (22), and first and second passages (56, 58) fluidly connecting the pump to the hydraulic actuator in a closed-loop. The hydraulic syst...  
WO/2013/031768A1
A hydraulic drive device for performing load sensing control. The hydraulic drive device fulfills the same function as devices provided with an unload valve, recovers the energy of hydraulic oil discharged to a tank from a main pump, and...  
WO/2013/033538A1
A pneumatic controller (300) described herein includes a housing (302) to be connected to an actuator (108). The housing contains a position monitor (306) with a wireless communication interface. The pneumatic controller also includes a ...  
WO/2013/003047A3
A hydraulic control system (50) for a machine (10) is disclosed. The hydraulic control system may have a work tool (16) movable through segments of an excavation cycle, a motor (49) configured to swing the work tool during the excavation...  
WO/2012/166223A3
A hydraulic control system (48) is disclosed. The hydraulic control system may have a hydraulic actuator (20), a valve arrangement (54), and an operator input device (98) configured to generate a first signal indicative of a desired hydr...  
WO/2013/026283A1
A heating system applied in engineering machinery comprises a heat supply device (1), a distribution switch (2), a pipeline (3), an exhaust pipe (4), a hydraulic oil tank (5), a temperature sensor (7) and a controller (8). The distributi...  
WO/2013/026199A1
Disclosed is a coupling device (30) for hydraulic elements, which coupling device (30) is used for connecting a first hydraulic element (10) having a first oil port (11) with a second hydraulic element (20) having a second oil port (21),...  
WO/2013/000549A3
The invention relates to a pressure medium system, in particular a hydraulic system, having a fluid pump (1) for delivering a drive fluid with a certain delivery flow rate and a certain fluid pressure (PIST), and having a control unit (8...  
WO/2013/003049A3
A swing energy recovery system (50) for a machine (10) is disclosed. The swing energy recovery system may have a pump (58) configured to pressurize fluid, a motor (49) driven by a flow of pressurized fluid from the pump, and an energy re...  
WO/2013/025583A1
A machine (10) includes a frame (12) having ground engaging propulsion elements (24) coupled therewith, and a hydraulically actuated implement system (26) having a linkage (28), an implement (30) coupled with the linkage (28), and a hydr...  
WO/2012/165773A3
The present invention relates to a miniature actuator using bubbles, which is configured so to be capable of changing the internal pressure thereof according to the growth and disappearance of bubbles on a cavity interface and for the re...  
WO/2013/003048A3
A hydraulic control system (50) for a machine (10) is disclosed. The hydraulic control system may have a pump (58) configured to pressurize fluid, and a motor (49) driven by a flow of pressurized fluid from the pump. The hydraulic contro...  
WO/2013/003224A3
A hydraulic control system (48) is disclosed. The hydraulic control system may have a pump (52) configured to pressurize a fluid, an actuator (26), a position sensor (102) associated with the actuator and configured to generate a first s...  
WO/2013/006423A3
A pump system includes a closed-loop fluid circuit and an open-loop fluid circuit. The closed-loop fluid circuit includes a motor for rotating a first component connected to the closed-loop fluid circuit. A closed-loop pump drives the mo...  
WO/2013/021963A1
A vibration damping device for a railway vehicle comprises: an actuator having a cylinder which is connected to a bogie of the railway vehicle, a piston, a rod which is connected to both the piston and the vehicle body, a rod-side chambe...  

Matches 551 - 600 out of 8,191