788 results about "Hydraulic connection" patented technology

The present invention relates to the medical field, in particular relates to the practice of percutaneous vertebroplasty where a pair of syringes in the distal extreme of a lengthened hydraulic device, are united by a camera of intermediate connection of larger diameter (pressure exerting body) or modified inverted syringe tube with a bolster, a hydraulic connecting tube of flexible material that transmits the pressure of the smaller diameter manual or impulsion syringe in the proximal extreme of the device toward the intermediate cylindrical larger diameter camera (pressure exerting body), this camera is in an inverted position with regard to the first syringe (fluid control), this intermediate camera has a moving piston longitudinal to the axis of the cylinder that is controlled with the first syringe (manual) and in cooperation with the atmospheric pressure. The injecting syringe loaded with bone cement is coupled with the bolster of the body of pressure, and to the needle that drives the cement toward the interior of the bone. The intermediate camera (pressure exerting body) together with the hydraulic tube and the manual syringe form a hydraulic press system (F / A=f / a) that allows to increase in a potential way the pressure exerted in the first syringe and to make the injection of polymethylmethacrylate (PMMA) at an approximate distance of 1.0 m to 1.5 m.

The invention relates to a wind energy system with hydraulic energy transmission with non-symmetric actuation. The non-symmetric actuation is caused by valve control and mechanical means for controlling the actuation of the pistons. A cylinder unit is provided comprising a drive unit and an output unit associated with two hydraulic connections. The drive and the output unit comprise a minimum of two cylinders, in which pistons are reciprocating. Some of the cylinders can be switched off during low wind speeds. The cylinders communicate with a low pressure manifold and a high pressure manifold. These manifolds are part of the hydraulic connections. Use of the fluid-working machine as transmission in wind energy systems increases the overall economical efficiency.

The invention concerns a system wherein the tool-bearing frame (1) and the tool (2) are each equipped with a multiple fluidic connection box, for example hydraulic provided with complementary male-female connecting members: each of said boxes is provided with a mobile and retractable protective cover, which normally covers the connecting members contained in said box. Said covers are arranged such that, in a first phase, the proper positioning of the tool-bearing-frame opposite the tool automatically causes the covers to retract, directly matching the fluidic connection members of the two boxes, so as to enable subsequently, in the second and third phases, the mechanical followed by the fluidic connection of the tool-bearing frame and the tool. The system protects the connecting members from the outside environment, while enabling easy and secure connection of the tool with the tool-bearing frame, without any risk of deterioration of the fluidic connectors.

A filter device includes at least one filtering element arrangeable in a filter housing (11) connectable to a hydraulic device (9), in particular a hydraulic tank. The tank is connectable to the filter housing through hydraulic connections (37, 39) by a connection system in such a way that a fluid is enabled to circulate. The filter housing is removably mounted on the hydraulic device (9) by a fixing unit. The fixing unit is embodied in the form of a bayonet fitting (17, 19) which is lockable and detachable by the filter housing (11) rotation. The connection system has at least one movable locking element which locks in the locking position the hydraulic connection (37, 39) associated with it, and releases the connection after displacement in the open position. The locking element is displaceable in a sealing or opening position by rotational motions of the housing (11) for detaching and locking the bayonet fitting (17, 19).

Methods and arrangements to rapidly adjust the trim of a watercraft are disclosed. More specifically, embodiments comprise a sensor to quickly detect changes in the trim angle of a watercraft and a driver adapted to effect rapid changes in the trim angle. For example, many embodiments include large hydraulic pumps and hydraulic connections to adjust the angle of a trim adjuster such as the angle of trim tabs, an outboard motor, or a stern drive. Some embodiments implement high torque electric motors or high capacity pneumatic systems. The drivers may, for example, effect changes in the angle of the trim adjuster within two seconds. In one embodiment, the driver may effect a change in the trim angle within one second or less.

A system for producing hydrocarbon fluids from a subsea formation includes at least one producing well penetrating the formation for producing hydrocarbon fluids. At least one dummy well is hydraulically connected to the at least one producing well for routing the hydrocarbon fluids from the producing well to the dummy well. At least one pump is disposed in the at least one dummy well. The pump takes suction flow from the dummy well and boosts the flow energy of the discharge flow of hydrocarbon fluids.

A hydropneumatic spring, which is preferably articulately arranged between a vehicle body and a wheel guiding part in motor vehicles, has a fluid-filled cylinder which is entered by an outwardly sealed piston rod having a piston connected at the internal end. For altering spring force-deflection progressivity characteristic, a first working chamber of the cylinder is in constant hydraulic connection with a first spring energy store device and a second working chamber of the cylinder is in constant hydraulic connection with a second spring energy store device via a second valve device via a first valve device. In a mid spring deflection range, a second spring energy store device is connected via a second valve device and a bypass to the first spring energy store device. The bypass includes an axially extending channel arranged between the first working chamber and the second working chamber. The first and second working spaces are disconnected when the piston is not in the mid-deflection range and the channel does not bypass around the outer surface of the piston.

An in-well ESP string that can be installed or retrieved with a wireline instead of a rig. The ESP is combined with a motor and a hydraulic valve to pump formation fluid from a well to the surface. A wet connector is used to facilitate electrical and hydraulic connections. The ESP system is disposed within a tubing string located within the casing of a well. The hydraulic valve controls the flow of formation fluid to the ESP, opening to allow formation fluid to flow to the ESP, and closing to shut off production. When the valve is closed, the ESP may be cleaned with brine introduced via a flow port in the valve. This cleaning operation allows the ESP string to be to retrieved in an environmentally friendly manner. In addition, the wireline installation and retrieval is significantly less costly and less complicated than currently possible with a rig.

A brake control apparatus includes a brake unit. The brake unit includes: a first port set hydraulically connected to a master cylinder via a first fluid line set; a second port set hydraulically connected to a wheel cylinder set via a second fluid line set; a first fluid passage hydraulically connecting the first port set to the second port set; a first switching valve arranged to vary a state of fluid communication through the first fluid passage; a fluid pressure source arranged to produce a fluid pressure supplied to the second port set; a fluid accommodating section adapted to accommodate a variable amount of brake fluid; a branch fluid passage hydraulically connecting the first port set to the fluid accommodating section; and a second switching valve arranged to vary a state of fluid communication through the branch fluid passage.

A system for damping thermo-acoustic instability in a combustor device for a gas turbine, the combustor device including at least one combustion chamber, in particular of an annular type, and at least one burner associated to the combustion chamber and mounted in a position corresponding to a front portion set upstream of the combustion chamber; the damping system including at least one Helmholtz resonator including a casing defining inside it a pre-set volume and a neck for hydraulic connection between the pre-set volume and the combustion chamber, the neck being connected to one side of the combustion chamber at a distance from the front upstream portion thereof provided with the at least one burner. The casing of the resonator includes structure which varies the pre-set volume within a pre-set range and structure which delivers a cooling fluid.

The invention relates to a brake system for motor vehicles, comprising a master brake cylinder (2), to each of the two pressure chambers of which a brake circuit (I, II) with wheel brakes (8, 9, 10, 11) can be connected or is connected, an electrically actuatable block valve (23a, 23b) for each brake circuit (I, II) for separating the pressure chamber (17, 18) from the brake circuit, a first electrically controllable pressure supply unit (5), an electrically actuatable sequence valve (26a, 26b) for each brake circuit (I, II) for hydraulically connecting the first pressure supply unit (5) to the brake circuit, and a simulation unit (3) which can be hydraulically connected to at least one pressure chamber (17) of the master brake cylinder (2) by means of a simulator release valve (32), wherein a second electrically controllable pressure supply unit (49, 149) having at least one intake port and a pressure port is provided, the intake port of which is connected or can be connected to one of the pressure chambers (17, 18) and the pressure port of which can be connected or is connected to the brake circuit (I, II) associated with the pressure chamber. The invention further relates to a method for operating a brake system.

A system for controlling flow in a wellbore can include a down-hole control module that is hydraulically coupled to multiple components of the system. The control module can include a computer, which can be preprogrammed to operate the various components in a particular sequence, and communicate confirmation or error signals to a surface location. The control module can also include a micro-hydraulic motor and pump that can that can be instructed by the computer to selectively deliver hydraulic fluid to one or more of the components of the system. The system can include isolation members such as packers, hydraulic pressure maintenance devices (PMDs), hydraulic sheer joints, inflow control devices or valves (ICDs or ICVs) and a multi-position valve that can be actuated by the control module without necessitating communication with a surface location.

The invention relates to a brake system with a pedal travel simulator that, during the braking mode brake-by-wire , conveys a comfortable pedal feel to the vehicle driver. In order to boost the actuation force even in the event of a breakdown of the control electronics or loss of electric power supply, the invention provides that a fourth piston (8) is mounted between the first (2) and the third piston (5), and this fourth piston, while interacting with the third piston (5), delimits a hydraulic chamber (9) having a hydraulic connection to a pressure medium reservoir (31), said connection being able to be blocked by an actuation of the brake pedal, and pressure can be built up in the chamber by the actuation forces. The invention also provides that a valve assembly (10) can be controlled by the hydraulic pressure built-up inside the chamber (9), and the pressure built-up in the intermediate space (11) can be changed by this valve assembly.

The invention is a method and apparatus for initiating multiple azimuth controlled vertical hydraulic fractures in unconsolidated and weakly cemented sediments from a single bore hole to control the fracture initiation and propagation of hydraulic fractures at differing azimuths. The multiple azimuth vertical fractures enable greater yield and increased recovery of petroleum fluids from the formation. An injection casing with multiple fracture initiation sections is inserted and grouted into a bore hole. A fracture fluid carrying a proppant is injected into the injection casing and opens fracture initiation sections to dilate the formation in a direction orthogonal to the first fracture azimuth plane. Following completion of the first fracture injection, the fracture fluid is injected into the injection casing and opens a set of second and subsequent fracture initiation sections dilating the formation and initiating and propagating a second and subsequent vertical hydraulic fractures at different azimuths to the first and subsequent earlier installed fractures. The injection casing initiation sections remains open after fracturing providing direct hydraulic connection between the production well bore, the permeable proppant filled fractures and the formation.

Disclosed is a mold system which comprises a cube configured to rotate about an axis, a first cavity platen comprising at least one first cavity section, a second cavity platen comprising at least one second cavity section, a fluid channel being disposed within at least one of the mandrels and a hydraulic connection member configured to connect at least one of the fluid channels to an inlet and or outlet positioned outside the cube. The cube comprises at least two sides, each side comprising at least one mandrel. The hydraulic connection member is configured to deliver a volume cooling fluid from or to the fluid channels while the cube is rotating.

An apparatus and process for removing water from a cellulosic web. The papermaking apparatus comprises imprinting member having an absolute void volume that enables a hydraulic connection to be formed between a cellulosic web and a capillary dewatering member when compressed in a nip. The absolute void volume is predetermined based on an estimate of the volume of water expressed from the cellulosic web.

A hydraulic control system for operating a subsea blowout preventer includes a surface manifold configured to convey hydraulic power to the blowout preventer, a surface actuation valve hydraulically connected to subsea valves and configured to operate the blowout preventer, and a control system monitoring apparatus. The control system monitoring apparatus includes a surface manifold pressure transducer hydraulically connected to the surface manifold, an electronic readback system, and a surface control line pressure transducer hydraulically connected to the surface end of at least one control hose and the surface actuation valve. The control system monitoring apparatus is configured to read, record, and process pressure data supplied by the surface manifold and surface control line pressure transducers.

An invented dual, coupled check valve mechanism is described for a direct drive, reversible hydraulic power source for hydraulic circuits that includes a manifold hydraulically coupled to the respective input / output ports and a reservoir of the hydraulic power source defining a translation passageway having mid-passage drain hydraulically coupled to the reservoir, where each end of the translation passageway has an angled annular valve seat opening to larger diameter plenum containing a check valve ball. A translating rod with a length greater and a circumferential diameter less than that of the translation passageway located in the translation passageway prevents the respective check valve balls from simultaneously seating on the valve seats at the respective ends of the translation passage way.

Methods and arrangements to rapidly adjust the trim of a watercraft are disclosed. More specifically, embodiments comprise a sensor to quickly detect changes in the trim angle of a watercraft and a driver adapted to effect rapid changes in the trim angle. For example, many embodiments include large hydraulic pumps and hydraulic connections to adjust the angle of a trim adjuster such as the angle of trim tabs, an outboard motor, or a stern drive. Some embodiments implement high torque electric motors or high capacity pneumatic systems. The drivers may, for example, effect changes in the angle of the trim adjuster within two seconds. In one embodiment, the driver may effect a change in the trim angle within one second or less.

A system for the direct vertical connection between contiguous sub sea equipment is described, having one or more hydrocarbon flow and / or control interconnection between same, so as to dispense with the use of connecting jumpers. One mode of said system comprises a PuAB 221 vertically and directly connected to a PrAB 104. Equipment is directly fixed through the PuAB connector 251 with a PrAB 104-production mandrel 107, said mandrel being fitted with a funnel guide 112. PuAB 221 is fitted with a funnel 224 so as to guide the drilling of a cased borehole 220 in the marine soil 101, close to well 111. Once the cased borehole 220 is ready, PuAB 221 will be locked to the casing of said borehole 220 by means of a locking system, so as to complete the mechanical and hydraulic connection between the two devices, PuAB and PrAB or HWCT. Two modes of the method for installation of said system are also described.

A method and apparatus for initiating and propagating a vertical hydraulic fracture in unconsolidated and weakly cemented sediments from a single bore hole to control the fracture initiation plane and propagation of the hydraulic fracture, enabling greater yield and recovery of petroleum fluids from the formation. An injection casing with multiple fracture initiation sections is inserted and grouted into a bore hole. A foam fracture fluid carrying a proppant is injected into the injection casing and opens the fracture initiation sections to dilate the formation in a direction orthogonal to the required fracture azimuth plane. Propagation of the fracture is controlled by limiting the fracture fluid form to that of a stable foam fracturing fluid during the fracturing process. The injection casing initiation section remains open after fracturing providing direct hydraulic connection between the production well bore, the permeable proppant filled fracture and the formation.

A system and method to allow backup or alternate fluid flow routes around malfunctioning components using removable, modular component sets. In one exemplary embodiment, an ROV establishes a backup hydraulic flow to a BOP function by attaching one end of a hose to a modular valve block and the other end to an intervention shuttle valve, thus circumventing and isolating malfunctioning components. A compound intervention shuttle valve is provided that comprises first and second primary inlets, first and second secondary inlets, and an outlet. A modular valve block is provided that comprises a directional control valve, a pilot valve, a manifold pressure regulator, a pilot pressure regulator, stab type hydraulic connections and an electrical wet-make connection.

A method and apparatus for initiating and propagating a vertical hydraulic fracture in unconsolidated and weakly cemented sediments from a single bore hole to control the fracture initiation plane and propagation of the hydraulic fracture, enabling greater yield and recovery of petroleum fluids from the formation. An injection casing with multiple fracture initiation sections is inserted and grouted into a bore hole. A fracture fluid carrying a proppant is injected into the injection casing and opens the fracture initiation sections to dilate the formation in a direction orthogonal to the required fracture azimuth plane. Propagation of the fracture is controlled by limiting the fracture fluid injection rate during fracture initiation and propagation and maintaining a minimum fracture fluid viscosity. The injection casing initiation section remains open after fracturing providing direct hydraulic connection between the production well bore, the permeable proppant filled fracture and the formation.

The present invention generally relates to a method and an apparatus for placing fiber optic control line in a wellbore. In one aspect, a method for placing a line in a wellbore is provided. The method includes providing a tubular in the wellbore, the tubular having a first conduit operatively attached thereto, whereby the first conduit extends substantially the entire length of the tubular. The method further includes aligning the first conduit with a second conduit operatively attached to a downhole component and forming a hydraulic connection between the first conduit and the second conduit thereby completing a passageway therethrough. Additionally, the method includes urging the line through the passageway. In another aspect, a method for placing a control line in a wellbore is provided. In yet another aspect, an assembly for an intelligent well is provided.

A system for producing hydrocarbon fluids from a subsea formation comprises at least one producing well penetrating the formation for producing hydrocarbon fluids. At least one dummy well is hydraulically connected to the at least one producing well for routing the hydrocarbon fluids from the producing well to the dummy well. At least one pump is disposed in the at least one dummy well. The pump takes suction flow from the dummy well and boosts the flow energy of the discharge flow of hydrocarbon fluids.

To clean a print head of an ink jet printer comprising an ink gun (1), connected, by means of devices capable of being controlled, to an ink chamber (2), a solvent chamber (8), a vacuum source (16), and an ink collection gutter (22) capable of being connected in a controlled manner to a vacuum source (16), the following steps are performed:(1) an interruption of a hydraulic connection between the gun (1) and the ink chamber (2) is ordered,(2) the gun (1) is connected to the vacuum source (16),(3) the solvent chamber (8) is hydraulically connected to the vacuum source (16) via a circuit (12, 14, 20) comprising the ink gun (1).