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Patent Searching and Data


Matches 301 - 350 out of 7,915

Document Document Title
WO/2014/029635A1
The invention relates to a hydraulically driven arrangement for linearly moving a mass body (10), the arrangement consisting of a working cylinder (11) driving the mass body (10) and connected to a hydraulic control unit for that purpose...  
WO/2014/025122A1
The present invention relates to an oil tank for a hydraulic system. The present invention includes: an oil return line coupled to the hydraulic system; an oil tank body connected to the oil return line for collecting oil discharged from...  
WO/2014/009475A1
The invention concerns an oil tank for use in a hydraulic system mounted as auxiliary equipment on a vehicle comprising a wall enclosing a storage volume. In accordance with the invention the oil tank comprises two or more identical tank...  
WO/2014/000858A1
In a machine press with a lower and an upper tool support, a closed hydraulic drive system acts upon the upper tool support. This system has at least one hydraulic drive unit (1), which for its part comprises at least one hydraulic cylin...  
WO/2014/002642A1
The purpose of the present invention is to prevent a seal provided inside a housing from becoming inserted between a bellows cap and a seal holding member provided to an inner peripheral side of the seal, thereby inhibiting damage to the...  
WO/2013/188163A1
In various embodiments, lined underground reservoirs and/or insulated pipeline vessels are utilized for storage of compressed fluid in conjunction with energy storage and recovery systems.  
WO/2013/187165A1
In order to provide an accumulator equipped with an emergency safety mechanism that is capable of being activated at a lower pressure than when a rupture disk is disposed on part of the circumference of the peripheral surface of a stay, ...  
WO/2013/142541A3
A system (100) including a hydraulic accumulator (102), a pressure sensor (104), a fluid source (106) and a data processor (108) to detect a pre- charge pressure is provided. The hydraulic accumulator (102) includes first and second cham...  
WO/2011/101647A3
An energy storage system includes a main container (1) to which water can be pumped, an auxiliary container (2) that contains a prescribed material, e.g. carbon dioxide, in both liquid and gaseous form, a line (8) connecting the auxiliar...  
WO/2013/167630A1
The invention relates to a hydraulic press (10) and a method for operating a hydraulic press (10) in cycles. The aim of the invention is to lower energy consumption in a method for shaping workpieces by means of a hydraulic press and in ...  
WO/2013/164072A1
The invention relates to a device for saving energy in hydraulically actuated working appliances (1), comprising a supply unit, in particular in the form of a hydraulic pump (33) and a piston accumulator (5) with a piston (9) which can b...  
WO/2013/164096A1
The invention relates to a device for saving energy in working appliances that can be hydraulically actuated, comprising a supply unit, in particular in the form of a hydraulic pump (35) and a piston accumulator (5) having at least two l...  
WO/2013/164073A1
The invention relates to a device for saving energy in working appliances (1) which can be actuated hydraulically, comprising a supply unit, in particular in the form of a hydraulic pump (31) and a piston accumulator (5) with at least tw...  
WO/2013/138473A3
Certain examples present an improved compressed-air energy storage system. The system can include multiple sequential stages, in which accumulators are charged with air, which influences a hydraulic fluid to influence a pump/motor, and v...  
WO/2013/163414A1
A fluid fitting comprises an interior wrenching portion for removing failed remnants of the fitting still installed in place. Various alternative configurations are described.  
WO/2013/106115A3
In various embodiments, coupling losses between a cylinder assembly and other components of a gas compression and/or expansion system are reduced or eliminated via timing control.  
WO/2013/143606A1
The present invention relates to a method for operating a hydraulic pump arrangement for a hydraulic tool, particularly a portable hydraulic tool operating in an energy-independent manner or dependent on a power network, wherein the hydr...  
WO/2013/142116A1
An expandable accumulator and reservoir assembly includes a housing defining an interior chamber configured to contain a working fluid therein. An expandable accumulator is positioned at least partially within the housing. The expandable...  
WO/2013/140637A1
The purpose of the invention is to provide an accumulator, which is equipped with an emergency safety mechanism capable of operating at a pressure lower than when a rupture disk is provided locally on the circumferential surface of the s...  
WO/2013/092961A3
The invention relates to a hydraulic accumulator device having a housing (4) which comprises a gas volume (8) and a fluid volume (10). In order to simplify the sensing of the state of charge of hydraulic accumulator devices, an interfere...  
WO/2013/142541A2
A system (100) including a hydraulic accumulator (102), a pressure sensor (104), a fluid source (106) and a data processor (108) to detect a pre- charge pressure is provided. The hydraulic accumulator (102) includes first and second cham...  
WO/2013/103777A3
A swing drive system (11) for an excavator is provided which utilizes a prime mover (20) mechanically connected to a first hydraulic pump/ motor (30) and a second hydraulic pump/motor (32) mechanically connected to a swing mechanism (70)...  
WO/2013/123794A1
A pressure-maintained hydraulic oil tank comprises a tank body (2). A filter assembly is disposed in the tank body (2). A breathing valve (1) is disposed at the top of the tank body (2). The breathing valve (1) comprises a valve body (11...  
WO/2013/098311A3
The invention relates to a method for determining a position of a piston (5) in a piston pressure accumulator (1) and a correspondingly designed piston pressure accumulator (1). A housing (3) accommodates a displaceable piston (5). An el...  
WO/2013/098322A3
The invention relates to a piston accumulator (1) and a method for determining a position of a piston (5) that can be moved inside a housing (3) of the piston accumulator (1). One or more inductive sensors (15) are arranged on an exterio...  
WO/2013/122533A1
Pressure accumulator (14) for connection to a hydraulic fluid-driven percussion device (10), which percussion device (10) comprises at least one impact piston (16) that is arranged to carry out a reciprocating motion caused by the pressu...  
WO/2012/054344A3
A hydraulic circuit architecture for use in a drive circuit having a hydraulic pump for driving a load is disclosed. The hydraulic circuit architecture includes a flow control valve for controlling a hydraulic fluid flow rate supplied fr...  
WO/2013/117850A1
The invention relates to a facility for managing mechanical/electrical energy, including a mechanical energy source (1) for supplying an electricity user (8) with a mechanical distributor (2) at the output of the source (1), said mechani...  
WO/2013/117052A1
A hydraulic pumping system for concrete pumping equipment, and concrete pumping equipment comprising the same, comprising a first main oil cylinder (1), a second main oil cylinder (2), a main oil pump (10) alternately supplying oil for t...  
WO/2013/112892A1
A compression and expansion system includes a pressure vessel having a variable volume working chamber therein. The pressure vessel has a conduit through which at least one fluid can be introduced into and discharged from the working cha...  
WO/2013/079222A3
The invention relates to a system for improving the energy efficiency in hydraulic systems, comprising an actuator (49) which, in an operating state, operates as a consumer of hydraulic energy and, in a different operating state, as a ge...  
WO/2013/104063A1
A fuel saving system for a vehicle powered by an internal combustion engine and having a hydraulically activated automatic transmission. The system includes a hydraulic pump able to supply pressurized transmission fluid to the automatic ...  
WO/2013/029741A3
The invention relates to an arrangement for sealing a master cylinder on the side of the piston rod, in particular a hydraulically actuated clutch or brake system, wherein the piston rod connected to the piston of the master cylinder is ...  
WO/2013/098311A2
The invention relates to a method for determining a position of a piston (5) in a piston pressure accumulator (1) and a correspondingly designed piston pressure accumulator (1). A housing (3) accommodates a displaceable piston (5). An el...  
WO/2013/098322A2
The invention relates to a piston accumulator (1) and a method for determining a position of a piston (5) that can be moved inside a housing (3) of the piston accumulator (1). One or more inductive sensors (15) are arranged on an exterio...  
WO/2013/097507A1
Disclosed are an oil line control apparatus (100) and engineering machinery. A first reversing valve (110) of the oil line control apparatus is connected with an actuating mechanism; a first control valve (160) is connected to the first ...  
WO/2013/093135A1
System for storing energy by means of the containment of fluids in a plurality of high-pressure receptacles, which are charged individually, in sequence, when there is energy available to be stored, said excess energy being used to compr...  
WO/2013/092970A1
The invention relates to a hydraulic accumulator device, comprising at least one housing (4), which has a gas volume (8) and a liquid volume (10), and comprising at least one connection (18) for gas or liquid. In order to homogenize the ...  
WO/2013/090698A1
In various embodiments, valve efficiency and reliability are enhanced via use of hydraulic or magnetic valve actuation, valves configured for increased actuation speed, and/or valves controlled to reduce collision forces during actuation.  
WO/2013/086880A1
Disclosed is an oil tank for an excavator, comprising an oil tank body (1), a suction oil filter assembly (3), a return oil filter assembly (4) and a first pre-pressed air filter (2), wherein the suction oil filter assembly (3) is locate...  
WO/2013/089382A1
The present invention pertains to an accumulator heat exchanger. The accumulator heat exchanger according to the present invention comprises: an accumulator housing; a metal heat exchanger having a cylindrical body mounted in the accumul...  
WO/2013/055156A4
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/2012/039899A3
An accumulator assembly (10) comprises an accumulator cylinder (12) formed of a cylindrical, gas-impermeable shell (18) and a cylindrical gas-impermeable sleeve (20) disposed within and substantially concentric with the shell (18), An in...  
WO/2013/025416A3
A hydraulic system (10) adapted to recover inertial energy is disclosed. The hydraulic system includes a pump (22), a variable displacement pump/motor (28) having an input/output shaft (82), an accumulator (30), and a valve arrangement (...  
WO/2013/079151A1
The invention relates to a system for improving the energy efficiency in hydraulic systems, comprising at least one working cylinder (58) which, in an operating state, operates as a consumer of hydraulic energy and, in a different operat...  
WO/2011/012370A3
The invention relates to a device (11) for the variable adjusting of the control timing of gas exchange valves (9, 10) of an internal combustion engine with a drive element (13), an output element (14), at least one pressure chamber (23)...  
WO/2013/079152A1
A hydraulic hybrid system for rotatory applications having an actuator (49, 91) in the form of a motor pump unit (91), which is coupled to a rotatory-operating device (94), such as a traction drive, and works as a consumer of hydraulic e...  
WO/2013/076721A1
Apparatus for a network of conduits distributing liquid that is coupled to a supply of liquid and to a network. At least one sensor is coupled in fluid communication with the network and derives a level of demand of liquid from the netwo...  
WO/2013/071985A1
The invention relates to a hydraulic accumulator, comprising a main body (2a, 2b, 2c, 2d, 2e, 2f, 2g, 2h, 2i) having a first component (3a, 3b, 3c, 3d, 3e, 3f, 3g, 3h, 3i) and a second component (4a, 4b, 4c, 4d, 4e, 4f, 4g, 4h, 4i) that ...  
WO/2013/064233A1
The invention relates to a hydraulic accumulator, comprising an accumulator housing (1), in which a bellows (21) having a selectable number of pleats (23) forms a mobile separation element between the gas side (25) and the fluid side (13...  

Matches 301 - 350 out of 7,915