Abstract: Manual actuating device for the actuation of an appliance, subjected to a force in a direction opposite to the actuation directions, especially in the production of mineral oil or natural gas, such as a blowout preventer (BOP), valve, actuator, throttle or similar, with a rotating spindle, which can be connected to a displacing element of the appliances, moveable in the actuation directions, and with a regulating devices, drive-connected through at least one mechanism and which can be manually actuated. In order to improve such a manual actuating device such that, even with a low number of revolutions of the regulating device, high forces on the rotating spindle and therefore on the displacing element can be transferred and there is no need for supporting equipment, such as hydraulics or similar, the mechanism exhibits a screw drive with screw drive nut and the rotating spindle as recirculating spindle, whereby the screw drive nut is drive-connected to the regulating devices.

Abstract: A system supplies electrical power to a remote electrical device. The system includes an AC/DC voltage converter coupled to the AC voltage source for converting an AC voltage from the AC voltage source to a high DC voltage output at a first location. The AC/DC voltage converter comprises a plurality of AC/DC voltage converter components which, on the input side thereof, are connected in parallel with the AC voltage source and which, on the output side thereof, are connected serially to an electric conductor.

Abstract: A pressure reducer has a housing comprising an inlet and an outlet in which a flow-around body is arranged in a flow channel connecting inlet and outlet. A flow restrictor is adjustably mounted relative to the flow-around body for varying a flow rate and is movably connected with an adjusting means comprising a recirculating ball nut substantially fixed in an axial direction and rotatably mounted in the flow-around body and a rotating spindle is axially adjustable mounted in said recirculating ball nut wherein the rotating spindle is movably connected with said flow restrictor.

Abstract: A universal power supply system is used for at least one electric consumer. The supply system comprises at least one AC source and a cable connection connecting said AC source to said electric consumer. The AC source has associated therewith an AC/DC converter for converting the AC voltage into DC voltage. The DC voltage generated in this way is adapted to be transmitted to the electric consumer via the cable connection. To improve such a universal power supply in such a way that it is possible to provide a high and stable voltage, even in the case of high power requirements in a reliable manner and at a reasonable price, without any additional components for e.g, heat dissipation being necessary, the AC/DC converter comprises as plurality of AC/DC converter components which, on the input side thereof, are connected in parallel with the AC source and which, on the output side thereof are connected serially to the electric consumer.

Abstract: A shut-off device, in particular for application in the extraction of natural gas and mineral oil, has a shut-off housing (3) comprising an admission channel (2) and in which a shut-off organ (4) is supported in an adjustable manner relative to the admission channel (2) between an open position (5) and a closed position (6), and has an actuating device (7) at least for adjusting the shut-off organ (4) from the open position (5) into the closed position (6). To improve such a shut-off device in that, especially in an emergency, fast adjustment of the shut-off organ to the closed position is possible in a constructively easy and economical manner, the actuating device comprises a gas generation device (8) for the production of an adjustment pressure for adjusting the shut-off organ (4) in the direction of the close position (6).

Abstract: A DC voltage converting device is on the output side connected to a DC voltage source and, on the output side, supplies a converted DC voltage to at least one electrical consumer via a cable connection. To improve such a DC voltage converting device in that also with high DC voltages on the input side, a conversion into another DC voltage is possible without any special constructional efforts and high costs while complicated cooling means or the like, are avoided at the same time, the Dc voltage converting device comprises a plurality of DC voltage converting units of which each is serially connected to the DC voltage source on the input side and connected in parallel with the cable connection on the output side for supplying the converted DC voltage.

Abstract: The invention relates to a measuring device for detecting a body moving in relation to an, in particular, tubular container. Said device comprises at least one magnet unit which generates a magnetic field, measures this magnetic field and which is assigned to the container and/or to the magnetic body. The device also comprises at least one evaluation device connected to the magnet units and provided for receiving measurement signals of the magnet units. The aim of the invention is to improve a measuring device of this type in order to be able to easily determine, in addition to the position of the body in relation to the container in a longitudinal direction, the position of the body in relation to the container in the transverse direction with a relatively high level of accuracy. To this end, the magnet units comprise a maximum magnetic flux that is essentially perpendicular to the direction of the relative motion of the body and container.

Abstract: A universal energy supply system for at least one electrical consumer comprises at least one AC voltage source and a cable connection connecting the source with the electrical consumer, wherein an AC/DC converting means is assigned to the AC voltage source for converting the AC voltage into DC voltage which DC voltage can be supplied to the electrical consumer via the cable connection. To improve such a universal energy supply system in that with small constructional efforts and with low costs, the energy supply to an electrical consumer is guaranteed also over great distances and the corresponding voltage supply is stabilised, the efficiency being relatively high at the same time and the system being redundant, the AC/DC conversion means comprises a number of AC/DC converting units which are connected in parallel with the AC voltage source on the input side and are serially connected to the electric consumer on the output side, each converting unit being constructed as a blocked switch mode power supply.

Abstract: A travel multiplying device (1) has at least one outer pipe (2), one inner pipe (3) and one intermediate pipe (4) positioned between them, which can be moved relative to each other in the longitudinal direction (5) each by a particular distance of travel (16-36) with at least one cut-out formed (11-17) between facing surfaces (7, 8, 9, 10) of each pipe (2, 3, 4), which cut-outs show different gradients (18, 19) relative to a transverse plane (21) through the pipes (2, 3, 4), and which are coupled with each other by at least one movement linking element (22-26) to link the movements of the pipes. By such a travel multiplying device, a small movement of one element is transformed into a magnifying movement of another element in a simply designed and reliable manner.

Abstract: A DC converter is connected to a DC source on its input side. On the output side, the DC delivers a converted DC voltage to at least one electric consumer via a cable connection. To improve such a DC converter in that it has a comparatively simple structural design and is able to reliably convert high DC voltages even in the case of high power, and in such a way that the reliability of the converter is increased and cooling systems entailing high costs can be dispensed with, the DC converter comprises a plurality of DC converter components, each of said DC components being, on the input side, serially connected to the DC source and, on the output side connected in parallel to the cable connection so as to provide the converted DC voltage for the electric consumer.

Abstract: The invention relates to a measuring device for detecting a body moving in relation to an, in particular, tubular container. Said device comprises at least one magnet unit which generates a magnetic field, measures this magnetic field and which is assigned to the container and/or to the magnetic body. The device also comprises at least one evaluation device connected to the magnet units and provided for receiving measurement signals of the magnet units. The aim of the invention is to improve a measuring device of this type in order to be able to easily determine, in addition to the position of the body in relation to the container in a longitudinal direction, the position to the body in relation to the container in the transverse direction with a relatively high level of accuracy. To this end, the magnet units comprise a maximum magnetic flux that is essentially perpendicular to the direction of the relative motion of the body and container.

Abstract: The invention relates to an actuating device (1), especially for use in a throttle device (2), comprising a turning spindle (4) rotatably mounted in the device housing (3). Said turning spindle is functionally linked via a transmission device (7) with a drive device (5) to displace an actuating element (6) that is liked with the turning spindle. The aim of the invention is to provide an improved actuating device that is secure and has a simple design and that can be telecontrolled in a simple manner without major maintenance work, without losses of functionality of the actuating device and at reduced costs. To this end, the actuating device (5) comprises at least two separately or synchronously operated motors (8, 9) and the transmission device (7) has at least one self-locking transmission unit (10), said transmission unit (10) being functionally linked with the two motors (8, 9) for turning the turning spindle (4).

Abstract: Isolating device (1) in particular for an injection valve (2), with a turning spindle (4), rotatably mounted in a device housing (3), actively connected to a drive device (5), for the variable displacement of an operating element (6) for an isolation stop valve (7), connected to the turning spindle, by means of a gearbox unit (8). The aim of the invention is to improve said isolating device such that the above may be operated in a simple and controllable manner, whereby the control of the isolating device may be carried out from a remote position and in a secure manner. Said aim is achieved, whereby the drive device (5) comprises at least two individually or synchronously operable electric motors (9, 10) and the gearbox unit (8) comprises at least one in particular self-locking drive unit (11), said drive unit (11) being connected to both electric motors (9, 10) for turning the turning spindle.

Abstract: The invention relates to a blowout valve assembly (blowout preventer (BOP)) (1) comprising a connecting channel (3), which can be closed by at least one closing device (2), whereby the closing device (2) can be transversally displaced with regard to the connecting channel (3) by means of a drive device (4). The aim of the invention is to further improve a blowout valve assembly of this type in order to enable this assembly to be precisely and easily actuated by remote control and while, at the same time, reliably preventing an unintentional opening of the closing device. To this end, the drive device (4) comprises at least two electric motors (5, 6), which can be operated individually or in a synchronized manner, and comprises a transmission device (7) having at least one irreversible transmission unit (8). In order to displace the closing device (2), said transmission unit (8) is drive-connected to both electric motors (5, 6).

Abstract: The invention relates to a rotating regulating device (1), especially for a valve comprising a pivotable or rotatable valve body. Said device comprises at least one actuating device (2) for rotating a regulating element (3) which can be connected to the valve body in a moveable manner. The aim of the invention is to improve one such rotating regulating device in such a way that it is precise and reproducible, and can be especially automatically actuated. In order to achieve this, the regulating element (3) is a rotating collar (4) which is rotationally positioned in relation to a bearing collar (5), and the actuating device (2) comprises at least one mechanism (6) which converts a linear movement into a rotational movement.

Abstract: A path-measuring device for measuring a path covered by a moving object deflectable along a direction has at least a first component associated with the moving object and a stationary second component. The components are coupled with one another for converting a motion and/or deflection of the moving object into an electrical signal. Moreover, the path-measuring device has an evaluating device for converting the electrical signal into motion and/or position information.

Abstract: The invention relates to an actuating device (1) for displacing a control device (3), against a force in the opposing direction (2) to the displacement, comprising an operating element (7) in a device housing (4), which may be axially displaced, at least in the direction of displacement by means of a feed mechanism (6). In order to improve said actuating device such that it may be simply operated without any impairment in emergency, when, for example the energy supply fails, or other problems occur, said actuating device comprises an emergency actuator, which may be externally operated and which may be connected to the feed mechanism (5) by means of a directional coupling device.

Abstract: The invention relates to an actuating device (1) for displacing a control device (3), which is subjected to the action of force counter to the direction of displacement (2). Said actuating device comprises an actuating element, which, inside a device housing (4), can be axially displaced in a direction of displacement by a turning spindle (5) of an advancing device (6). The turning spindle is connected in a rotationally fixed manner to a turning sleeve (8), which is rotatably mounted in the device housing (4) and which surrounds the turning spindle. Said turning sleeve is fixed, in relation to an annular flange (9) that is connected to the device housing in a rotationally fixed manner, counter to an advance turning direction (11) of the turning spindle by means of a spiral spring (10). An emergency disengagement device for resetting the actuating element counter to the direction of displacement is assigned to the spiral spring.

Abstract: The invention relates to a measuring device for detecting a body (3) moving in relation to an, in particular, tubular container (2). Said device comprises at least one magnet unit (4-9) which generates a magnetic field, measures this magnetic field and which is assigned to the container and/or to the magnetic body. The device also comprises at least one evaluation device connected to the magnet units and provided for receiving measurement signals of the magnet units. The aim of the invention is to improve a measuring device of this type in order to be able to easily determine, in addition to the position of the body (3) in relation to the container (2) in a longitudinal direction (33), the position of the body in relation to the container in the transverse direction with a relatively high level of accuracy. To this end, the magnet units comprise a maximum magnetic flux that is essentially perpendicular to the direction of the relative motion of the body and container.

Abstract: An actuator for actuating a control mechanism by axially moving an actuating member against a force comprises a housing in which a reversible drive is arranged with a first rotatable part and a second rotatable part engagable with one another and acting on the actuating member for axially moving it in feed direction to the control mechanism upon rotation in one direction. An electric motor rotates the first rotatable part and the second rotatable part by engagement with the first rotatable part. A rotation prevention member prevents rotation of at least one of the rotatable parts in a second direction. A release releases the rotation prevention member to permit rotation of at least one of the rotatable parts to permit the actuating member to be axially moved in a direction opposite to the feed direction.