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WO/2011/103547A1 |
A device for controlling the motion of a fluid actuator which includes an electrically operated control valve that controls the flow of a pressurized fluid to and from the fluid actuator in response to signals generated by an actuator co...
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WO/2011/102292A1 |
A first circuit system and a second circuit system are each provided with a plurality of operation valves. At least either the first circuit system or the second circuit system is provided with a regeneration switching valve which, at a ...
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WO/2011/098361A1 |
The invention relates to a cartridge valve (1) having a metal bushing (4) which has at least two ports (B, P, A) spaced apart axially from each other. A sieve cartridge (17) is placed coaxially to the metal bushing (4). Said sieve cartri...
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WO/2011/099401A1 |
A controller determines whether the storage amount of a battery falls below a threshold value, and when the storage amount falls below the threshold value, controls an assist control mechanism on the basis of an assist correction factor ...
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WO/2011/096397A1 |
An oil tank is configured so that return oil (24) from a hydraulic circuit (1) is spread to the surface of oil (25), which is contained in a tank body (26), to prevent the return oil (24) from mixing with the oil (25) in the depth thereo...
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WO/2011/086888A1 |
A work machine drive control device drives a structural body by means of a hydraulic motor (2) and an electric motor (3), and is provided with: a remote control valve (5) which determines the operation amount of the structural body; an e...
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WO/2011/081593A1 |
The invention relates to an electric hybrid system for motor vehicles comprising a combustion engine (10), a transmission configuration (20; 120), at least one pump configuration (30) for energy supply of working operations of the vehicl...
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WO/2011/078955A1 |
A cooling system and method are provided to cool a working fluid in an inner tank. The cooling system includes an outer tank and a gap formed between the inner tank and outer tank. The cooling system further includes a baffle disposed in...
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WO/2011/072808A1 |
The invention relates to a method for operating a hydraulic working machine, in particular a machine tool, having an associated control device for controlling the working machine sequence, a hydraulic system having at least one hydraulic...
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WO/2011/071578A1 |
A pump (10) for a hydraulic system is disclosed. The pump may have a tiltable swashplate (28), at least one actuator (34) movable to tilt the swashplate, a supply of pressurized fluid (42), and a drain (52). The pump may also have a firs...
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WO/2011/068441A1 |
The invention relates to a method for controlling a hydraulic system (20) of a working machine, which hydraulic system comprises a first hydraulic machine (21) for providing hydraulic fluid to a first actuator (22) of the working machine...
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WO/2011/065891A1 |
The present invention concerns a filter (5) for a return line (L1, L2) for hydraulic oil to a hydraulic tank (2), which filter (5) comprises a filter element (11). According to the invention, the filter (5) is arranged to filter the hydr...
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WO/2011/064213A2 |
The invention relates to a semi-active device capable of generating a force resisting the movements of a mobile element (2) having a longitudinal axis (X) and capable of translatably moving along the axis (X) thereof and of rotating abou...
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WO/2011/063071A1 |
An energy storage system (10) includes a reservoir (14) defining an interior chamber (66), a collapsible bladder (70) positioned within the interior chamber and having working fluid therein, a one-way valve (82) in fluid communication wi...
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WO/2011/060955A2 |
The invention relates to a hydraulic drive (A) for driving at least one hydraulic actuator, comprising at least one hydraulic pump (2) that can be driven by an electric motor (M) and at least one hydraulic line (L) conducting a hydraulic...
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WO/2011/060844A1 |
Disclosed is a hydraulic drive device with energy recovery function, comprising a pressure medium pump (1) for supplying a consumer (8) with pressure medium and a return line (8) for removing the pressure medium from the consumer. Accord...
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WO/2011/058006A1 |
The invention relates to an air treatment system (10) for a utility vehicle, having a housing (12), having a drying agent cartridge (14) which is or can be connected to the housing (12), having a covering housing (16) for covering the dr...
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WO/2011/058009A1 |
The invention relates to a drying agent cartridge (14) for a utility vehicle, having a drying agent cartridge housing (35) which is delimited at the top by a cover (42) and at the bottom by a support element (38). The drying agent cartri...
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WO/2011/058681A1 |
Disclosed is a hydraulic oil control device (2) comprising an accumulator (70) which is connected to a main oil passage (301b); a pressure accumulation oil passage (701) which is branched from the main oil passage (301b) toward the accum...
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WO/2011/058004A1 |
The invention relates to an air processing device (10) for a commercial vehicle, having a housing (12) set up for connecting to an air dryer device (18) by means of a bayonet fitting (14). According to the invention, a retaining device (...
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WO/2011/054393A1 |
The invention relates to a device and method for fixing parts, comprising a magnetic generating element (1), configured to generate magnetic flux (2), a container (4) formed by vertical walls, without bottom or lid, tightly secured on an...
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WO/2011/053424A1 |
A device for vibrating tubing as it is inserted into a wellbore is disclosed. The device has a fluidic switch that has no moving parts. The fluidic switch is connected to a piston that oscillates back and forth in a cylinder. The piston ...
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WO/2011/050872A1 |
The present invention relates to a suction/return filter, comprising an inner filter arrangement at least comprising a filter head that can be interconnected in a fluid circuit and a filter base having a precharge/anti-cavitation valve f...
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WO/2011/040553A1 |
If a shutoff valve (24a) is opened, resulting in an accumulator (22) being connected to a high pressure liquid path (Lh), and if a sucked liquid path (Li) is connected to the high pressure liquid path (Lh) by means of a selector valve (2...
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WO/2011/036534A1 |
A method of limiting jerk in a hydraulic system (22) of a machine (20) includes defining a maximum pressure rate. An output pressure of a hydraulic fluid is continuously measured over time from a work port (32) of a hydraulic valve (28) ...
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WO/2011/034764A2 |
Apparatus and method for separating a fluid. The apparatus includes an inlet duct having an inlet flow entrance and an inlet flow exit, the inlet duct defining an inlet width that decreases between the inlet flow entrance and the inlet f...
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WO/2011/029495A1 |
The invention relates to a relay valve device (1), comprising a housing (16, 17), a longitudinally movable relay piston (2) arranged in the housing (16, 17), a working valve device (3) that can be actuated by the relay piston (2), an out...
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WO/2011/026458A1 |
The invention relates to a hydraulic arrangement (1), comprising a double-acting hydraulic device (3), by means of which in particular a gear selection (5) of a transmission (7) can be actuated, wherein the hydraulic device comprises - a...
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WO/2011/028745A2 |
A closed-loop hydraulic control system that may arrest the motion of attached devices in the event of loss of electrical or hydraulic power or in the event of an emergency. Gangways from a ship to a platform and ladders on fire trucks ma...
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WO/2011/021405A1 |
In order to keep fluctuations of the operating oil temperature small, a control unit (12) for controlling a flow rate control valve (11) comprises: a first calculation means for obtaining an energy element for increasing the temperature ...
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WO/2011/009664A1 |
Method for operating a pneumatic system comprising at least one pneumatic cylinder, the method comprising: supplying a first gas under pressure to a pneumatic cylinder for a first stroke, wherein the first stroke is a working stroke of s...
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WO/2011/009705A1 |
A control arrangement for use in a hydraulic control system including a control valve of the type having at least two movable elements (16,18), comprises the steps of : controlling the positions of the two movable elements (16,18) such t...
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WO/2011/006561A1 |
The invention relates to a hydraulic control arrangement for mobile work machines having several double-acting loads (1, 2). A first working connection (4, 8) of each load can be connected to a first hydraulic machine (46) by means of on...
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WO/2011/006590A1 |
The invention relates to a measuring apparatus (10) for determining the electrical potential in a filter medium and/or in a fluid flowing through the filter medium (12), comprising a measuring instrument (22) for measuring electrical pot...
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WO/2011/003516A1 |
A filter device for filtering oil leakage amounts from hydraulic systems, wherein hydraulic oil can be sucked from a tank (4) via a suction line (10) and leakage oil can be fed via a leakage oil line (12) to the non-filtered side of a le...
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WO/2011/004879A1 |
A control device for a hybrid construction machine, provided with: a discharge pressure introducing path for introducing the pressure discharged from a variable displacement pump to a regulator; and a load pressure introducing path for i...
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WO/2011/004881A1 |
A control device for a hybrid construction machine, provided with a regulator for performing control so that the lower the pilot pressure acting on the regulator, the greater the tilting angle of a variable displacement pump. When determ...
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WO/2011/004880A1 |
A hybrid construction machine is provided with a control valve which is provided in a flow passage connecting an actuator and a hydraulic motor for regeneration and of which the opening position is controlled under the action of a pilot ...
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WO/2011/002053A1 |
Provided is a circulation path (39) for circulating, inside the housing (15) of a steering valve (14), hydraulic oil from an accumulator (11). An orifice coupling (41) is provided in the circulation path (39). This orifice coupling (41) ...
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WO/2010/142419A1 |
The invention relates to a modular control system for fluidic control devices, comprising a display and/or operating unit (20) with an inductive interface. The display and/or operating unit can be detachably connected to a fluidic contro...
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WO/2010/140996A1 |
A sealed hydraulic tank system for a mining shovel (10) includes an upper tank (68) and a lower tank (70). An air bladder (69) system is coupled to the upper tank to exchange air between the tank system and the bladder. The tanks include...
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WO/2010/139066A1 |
A transportable modular multi-appliance device comprises a container, a primary power source for producing AC power, a plurality of AC-powered functional modules, AC outlets, sensors, and a controller. The primary power source is inside ...
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WO/2010/138029A1 |
A hydraulic system for a working machine (101). The system comprises at least one work function (1; 217, 221, 203) and a control valve unit (2; 200a, 200b, 200c) for controlling hydraulic fluid to and from the work function, and a recove...
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WO/2010/136090A1 |
In a compressed air purification apparatus for motor vehicles, compressed air under static pressure in a pressure conduit (3) is firstly freed of impurities such as hydrocarbon compounds and oil products and subsequently dried. To ensure...
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WO/2010/136253A1 |
The invention relates to a method for removing foreign matter from a digital hydraulic pressure controller of a hydraulic system, especially for a machine for producing a fiber web. The pressure controller has two pressure controller sec...
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WO/2010/137506A1 |
A working machine configured in such a manner that, even if switchover operation of an operation member is repeated in a short period of time, the occurrence of the retention of air is minimized. A working machine, wherein a communicatio...
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WO/2010/133270A1 |
The invention relates to a hydraulic drive comprising a hydraulic pump (2) having a pressure medium connection to a consumer (6). In order to drive the consumer, a pressure medium flow direction of the pressure medium connection between ...
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WO/2010/130288A1 |
The present invention relates to a method for controlling piston displacement of a cylinder. It further relates to a system and to a mannequin robot comprising such a system. The method according to the invention is characterized in that...
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WO/2010/127659A1 |
The invention relates to a hydraulic energy source for supplying a downstream hydraulic system with hydraulic energy, in particular a hydraulic system for controlling and/or cooling a transmission, in particular a dual clutch transmissio...
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WO/2010/128645A1 |
A control device for a hybrid construction machine is provided with a regulator which performs control in such a manner that the lower the pilot pressure in a pilot flow path, the greater the tilt angle of a variable displacement pump. W...
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