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Patent Searching and Data


Matches 701 - 750 out of 8,068

Document Document Title
WO/2011/028745A3
A closed- loop hydraulic control system (250) 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 (150) from a ship to a platform and ladders on f...  
WO/2011/105279A1
The disclosed control system for hybrid construction machinery is provided with: a pair that is a first and a second main pump, which are variable displacement pumps; a first and a second pathway system that are connected to the first an...  
WO/2011/105415A1
The supply of power to an electric motor for rotation is suppressed even if the power required by the entire hybrid construction machine is greater than the output power of the drive source. The power of an engine (2) is divided into the...  
WO/2011/105436A1
The disclosed construction device control system is provided with a main pump, a circuit system having multiple operation valves connected to the main pump, a boom cylinder connected to a specific operation valve of said multiple operati...  
WO/2011/101293A1
To provide a device (1) for providing a supply pressure for a consumer (8), having a main air system (2) which has a compressed air supply arrangement (3), a main air tank line (5) and a main air tank (4), and having an emergency pressur...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
WO/2010/105155A3
Generally, the invention relates to power generation and energy storage. In particular, to systems and methods for providing constant power from hydraulic inputs having widely-varying pressures. More particularly, the invention relates t...  
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...  
WO/2011/034764A3
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...  
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...  
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...  
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...  
WO/2011/038765A3
A cooling system 1 for an electrical machine 2 comprises a substantially closed housing 3, a first heat exchanger 4 arranged inside of the housing 3, a second heat exchanger 5 arranged outside of the housing 3, a conduit assembly 6 for t...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 (...  
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...  
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 ...  
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...  
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...  
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) ...  
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...  
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...  
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...  
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...  
WO/2010/129403A3
A fan drive system is provided having a housing connected with a pulley. A fan shaft is rotatably mounted to the housing by a clutch. A piston actuates the clutch. A pressure tube is provided for delivering pressure to the piston. A valv...  
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 ...  
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...  
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...  
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...  
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...  
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...  
WO/2010/106226A3
The present invention relates to a hydraulic actuator arrangement (10), comprising a hydraulic actuator (12, 15, 55, 56) and a control device (14) to control the flow of hydraulic medium to and/or from the hydraulic actuator. The hydraul...  
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...  
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...  
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 ...  
WO/2008/053174A8
A method of producing small bubbles (90) of gas in a liquid comprises a source (16) of the gas under pressure, a conduit (64a) opening into a liquid and oscillating the gas passing along the conduit at a frequency between 1 and 100 Hz. T...  
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...  
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 ...  
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...  

Matches 701 - 750 out of 8,068