A drive device for driving a watercraft is provided. The drive device has a stator and has a rotor which, during operation, rotates relative to the stator about an axis of rotation. The axis of rotation is fixed in position in relation to the stator. The rotor is realized as an internal rotor. The rotor, at least during operation, is supported on the stator in the axial direction by means of a first axial bearing means.
A method is provided for inspecting pipelines, in particular pipelines carrying oil, gas or water. A wall of the pipeline is magnetized by a magnetizing apparatus of a first apparatus formed as a pig. A magnetization present in the pipeline wall is used and/or measured as residual magnetization by a second apparatus, which is separate from the first apparatus and formed as an inspection apparatus, in particular at a later time, for inspection purposes. An associated inspection apparatus is also provided.
G01N 27/87 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields using probes
F16L 55/48 - Indicating the position of the pig or mole in the pipe or conduit
A watercraft is provided having at least one floating body which is designed to be elastically flexible, at least in part, and to carry at least one person above a waterline, and is, in particular, inflatable and/or made from a foam material at least in part. The watercraft includes a drive device which comprises at least one first drive unit designed to generate a first water flow below the waterline. The first drive unit is designed in such a way that the alignment of the first water flow relative to the floating body can be changed. The drive device comprises at least one second drive unit designed to generate a second water flow below the waterline, and is designed, in particular, in such a way that the alignment of the second water flow relative to the floating body can be changed.
B63H 21/17 - Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
B63H 5/08 - Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
B63H 5/125 - Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction
The invention relates to a method for leakage detection on an object flown through by a medium, in particular a pipe or a pipeline. According to the invention, a pattern is identified in the determined values for the change of the flow rate and the pressure of the medium and for a temperature change, and a probability for the presence of a leak is determined based on the identified pattern and due to self-learning systems.
G01M 3/24 - Investigating fluid tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
G01M 3/00 - Investigating fluid tightness of structures
G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
5.
MODULAR UNDERWATER VEHICLE WITH MODULES THAT CAN BE ORIENTED RELATIVE TO EACH OTHER
An underwater vehicle is provided for cleaning, inspection and/or monitoring of underwater structures A. The vehicle includes at least one working equipment for cleaning, inspection and/or monitoring of underwater structures A. Several interconnected modules are also provided which can be oriented relative to each other. The modules are arranged one behind the other, and the underwater vehicle can be transitioned from an elongated movement configuration into a U-shaped, C-shaped, spiral and/or an annular working configuration and back.
B08B 1/00 - Cleaning by methods involving the use of tools
6.
METHOD FOR DETERMINING A MATERIALS CHARACTERISTIC VALUE OF MAGNETIZABLE METAL BODIES BY MEANS OF A MICROMAGNETIC SENSOR ASSEMBLY, AND CORRESPONDING SENSOR ASSEMBLY
A method is provided for determining at least one material characteristic of a magnetizable metal body by means of a micromagnetic sensor arrangement, which comprises at least one excitation coil having a magnetic core for signal excitation and at least one receiver. The body is magnetized by the sensor arrangement via current or voltage excitation of the sensor arrangement, which comprises at least one sign change between a positive part of a half-wave and a negative part of a half-wave. At least one signal is measured in the receiver, and the signal is Fourier transformed. The material characteristic are determined from at least one Fourier component. The excitation is turned off, and the post-oscillation of the signal is measured in the receiver. At least the part of the signal resulting from the post-oscillation in the Fourier transformation is used.
G01N 27/72 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
7.
CONNECTING DEVICE FOR A TOWER-LIKE STRUCTURE, IN PARTICULAR AN OFFSHORE WIND TURBINE, TOWER-LIKE STRUCTURE COMPRISING SUCH A CONNECTING DEVICE, AND METHOD FOR MANUFACTURING SAID STRUCTURE
The invention relates to a connecting device for a tower-like structure, in particular of an offshore wind turbine, said connecting device comprising a plurality of connecting elements which are in particular planar or layered and which are to be arranged between an upper component and a lower component of the structure in order to produce a slip joint and, for the purpose of load transfer between the upper component of the structure and the lower component of the structure, are to be positioned next to one another in the peripheral direction about the longitudinal axis and/or in the longitudinal direction thereof with respect to a central longitudinal axis of the structure, wherein, with respect to the longitudinal axis, the connecting device has a greater thickness in the centre thereof than at its upper and/or lower end, wherein more particularly at least one central connecting element located between an upper and a lower connecting element in the longitudinal direction has a greater thickness than the upper and/or the lower connecting element. The invention also relates to: a tower-like structure of a wind turbine, which is in particular designed as an offshore structure, comprising at least one lower component and at least one upper component which is in part placed over the lower component to form a slip joint; and a method for manufacturing a tower-like structure.
F03D 13/25 - Arrangements for mounting or supporting wind motorsMasts or towers for wind motors specially adapted for offshore installation
E02B 17/02 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legsConstruction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
E04H 12/08 - Structures made of specified materials of metal
8.
METHOD FOR MANUFACTURING A CONNECTING DEVICE FOR A TOWER-LIKE STRUCTURE AND TOWER-LIKE STRUCTURE
The invention relates to a method for manufacturing a connecting device for a tower-like structure, in particular an offshore wind turbine, wherein the connecting device comprises a plurality of connecting elements, in particular planar connecting elements, which are to be arranged between an upper component of the structure and a lower component of the structure when a slip joint is produced and, for the purpose of load transfer between the upper component and the lower component, are to be positioned next to one another in the peripheral direction about the longitudinal axis and/or in the longitudinal direction thereof with respect to a central longitudinal axis of the structure, wherein data relating to an actual size of the lower component and of the upper component is provided, whereupon the shape, the position and/or the condition of individual or several as well as in particular all connecting elements of the connecting device are least in part determined in a manner specific to the connecting element in order to optimise the load transfer and/or in order to compensate for any deviations of the lower component and/or of the upper component from their desired size, and the connecting elements, that have been manufactured in advance and/or subsequently, are provided for assembly on at least one of the components. The invention also relates to: a tower-like structure, in particular part of an offshore wind turbine; and a wind turbine, in particular an offshore wind turbine.
F03D 13/25 - Arrangements for mounting or supporting wind motorsMasts or towers for wind motors specially adapted for offshore installation
E02B 17/02 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legsConstruction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
9.
TOWER-LIKE STRUCTURE FOR A WIND TURBINE, METHOD FOR MANUFACTURING SUCH A STRUCTURE, AND WIND TURBINE
The invention relates to a tower-like structure for a wind turbine designed in particular as an offshore structure, said tower-like structure comprising at least one lower component designed in particular as a monopile and one upper component designed in particular as a transition piece which is in part placed over the lower component to form a slip joint, the upper and the lower component each having a conical component section, and the upper and the lower component each having at least one further component section which jointly forms the slip joint and which, when viewed transversely with respect to a central longitudinal axis of the structure, is located above and/or below the conical component section, the surface perpendiculars of said further component sections intersecting the longitudinal axis at an angle (?) greater than the surface perpendiculars of the conical component section. The invention also relates to: a method for manufacturing a tower-like structure, wherein at least some of the connecting elements are injection-moulded or cast onto the lower and/or the upper component; and a wind turbine, in particular an offshore wind turbine.
F03D 13/25 - Arrangements for mounting or supporting wind motorsMasts or towers for wind motors specially adapted for offshore installation
E02B 17/02 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legsConstruction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
E04H 12/08 - Structures made of specified materials of metal
A water sports device is provided, and includes at least one propulsion device which has at least one motor. The motor can be controlled by a control unit and is provided for propelling the water sports device. The parts of the propulsion device are arranged on sides of the foil and/or retaining device or—if separate connection elements are arranged between these two devices—between these two devices, and can be moved with the foil device from a starting and/or resting position into the operating position and back. In order to propel or pull the water sports device, the device has its own propulsion device. This is part of the retaining and/or foil device, which can move relative to the floating body, in that at least one propulsion element in the form of a propeller or impeller accelerating water against the principal direction of movement is moved with the respective device (retaining and/or foil device).
B63B 1/28 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils
B63B 79/10 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
B63H 21/17 - Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
B63H 21/21 - Control means for engine or transmission, specially adapted for use on marine vessels
A water sports device is provided in which a propulsion device has at least one sensor arrangement which is usable for position determination. A control unit of the water sports device is designed for generating control signals on the basis of signals from the sensor arrangement for the purpose of geofencing and/or homing. One or more controllable elements of the water sports device are activated by means of the control signals. Such elements may include a motor of the propulsion device, movable means for generating an alignment of a water jet (e.g. a wing, motor, rudder blade, a fin and/or nozzle), and/or retractable and extendable elements (a centerboard, a holding and/or hydrofoil device) which influence the floating properties of the water sports device.
B63B 32/64 - Adjustable, e.g. by adding sections, by removing sections or by changing orientation or profile
B63B 1/24 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
B63B 79/10 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
G05D 1/02 - Control of position or course in two dimensions
B63B 1/30 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils retracting or folding
A water sports device is provided which is configured for self-stabilization. The water sports device includes an active stabilization means, in the case of which the control unit provides control signals for actuators of the water sports device, actuators being active adjusting means. These can be a motor of the propulsion apparatus, adjustable flaps or nozzles, or adjustable fins, rudders, hydrofoils or individual adjustable sections thereof. Input data such as data about the position of the water sports device, power output of the propulsion apparatus, speed, acceleration and/or user inputs are evaluated in the control unit, and control commands for an actuator or a plurality of actuators are generated.
B63B 1/24 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
B63B 1/30 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils retracting or folding
An underwater motor module for a water sports device is provided, which forms at least one flow channel each having at least one inlet opening and an outlet opening. The underwater motor module has a motor which is in the form of an internal rotor motor and comprises a hollow rotor, which concomitantly forms the flow channel by way of its inner side. On the outer side of the motor directed away from the flow channel is mounted outside the flow channel, and which bears blades. The motor also comprises an external stator arranged in a housing.
B63B 32/60 - Board appendages, e.g. fins, hydrofoils or centre boards
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B63H 1/16 - Propellers having a shrouding ring attached to blades
B63H 11/08 - Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
B63B 1/24 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
A retaining device of a water sport device has a drive, which is preferably designed as an electromechanical or electropneumatic drive and via which the foil device can be transitioned from a resting and/or starting position into the operating position and/or from the operating position into the resting and/or starting position. The actuation can take place manually by a person operating the water sport device. The water sport device may already be lowered into knee-deep water near the shore or beach, for example, and guided or driven there in the direction of deeper water. As soon as sufficiently deep water has been reached, the foil device can be transitioned into the operating position, which is at a greater distance from the floating body, by means of the drive. This process can take place automatically when a specifiable or set water depth has been reached or by the release on the part of the person using the water sport device.
A holding apparatus is provided by way of which a hydrofoil surface apparatus can be retracted and extended and/or folded, out of a rest and/or starting position into its operating position and/or out of the operating position into the rest and/or starting position. Such actuation can take place manually by way of a person operating the water sports device, with the advantage of simpler transportability of the water sports device. The water sports device can already be placed in water close to the bank or beach, and can be guided or moved from there in the direction of deeper water. As soon as sufficiently deep water is reached, the hydrofoil surface apparatus can be transferred via the holding apparatus into the operating position.
B63B 32/64 - Adjustable, e.g. by adding sections, by removing sections or by changing orientation or profile
B63B 32/66 - Arrangements for fixation to the board, e.g. fin boxes or foil boxes
B63B 79/15 - Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers for monitoring environmental variables, e.g. wave height or weather data
B63B 1/24 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
B63B 1/30 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils retracting or folding
B63B 79/40 - Monitoring properties or operating parameters of vessels in operation for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules
The invention relates to a drive device (2) for driving a watercraft, having a stator (4) and a rotor (8) which during operation rotates relative to the stator about a rotation axis (6) fixed in position in relation to the stator and is in the form of an internal rotor and at least during operation is supported on the stator in the axial direction by means of at least one first axial bearing device (10), wherein the first axial bearing device has at least one first rotor magnet device (18), which is arranged on the rotor and is designed to produce a rotor magnetic field, and at least one first stator magnet device (14), which is arranged on the stator and is designed to produce a first stator magnetic field, and is designed to form a first bearing force which acts on account of the first rotor magnetic field and the first stator magnetic field between the first rotor magnet device and the first stator magnet device and at least to some extent in the axial direction.
The invention relates to a watercraft (2) having at least one floating body (4), which is designed to be elastically flexible, at least in part, and to carry at least one person (6) above a waterline, and is, in particular, inflatable and/or made from a foam material, at least in part, and having a drive device (10) for moving the watercraft (2), which comprises at least one first drive unit (21), which is designed to generate a first water flow below the waterline (8), wherein the first drive unit (21) is designed in such a way that the alignment of the first water flow relative to the floating body (4) can be changed, wherein the drive device (10) comprises at least one second drive unit (22), which is designed to generate a second water flow below the waterline (8), and is designed, in particular, in such a way that the alignment of the second water flow relative to the floating body (4) can be changed.
A measurement method is provided on an electrically conducting object. A first ultrasound wave is generated in the object by means of a first EMAT transmit transducer of a measurement arrangement. A first EMAT receive transducer of the measurement arrangement detects a first receive signal. The first receive signal comprises a first ultrasound signal resulting at least partially from the first ultrasound wave which has propagated through at least a part of the object, as well as a first electromagnetic interference signal. A second receive signal is also detected comprising a second electromagnetic interference signal by means of a first receive means of the measurement arrangement. The first receive signal and the second receive signal are processed jointly. At least the first receive signal is at least partially interference-suppressed.
G01R 31/00 - Arrangements for testing electric propertiesArrangements for locating electric faultsArrangements for electrical testing characterised by what is being tested not provided for elsewhere
H04B 11/00 - Transmission systems employing ultrasonic, sonic or infrasonic waves
19.
MEASUREMENT METHOD AND MEASUREMENT ARRANGEMENT FOR INTERFERENCE SUPPRESSION IN A RECEIVE SIGNAL OF AN EMAT TRANSDUCER
The invention relates to a measurement method on an electrically conducting object (4), wherein a first ultrasound wave (8) is generated in the object (4) by means of a first EMAT transmit transducer (6) of a measurement arrangement (2), and a first EMAT receive transducer (10) of the measurement arrangement (2) detects a first receive signal (12), wherein the first receive signal (12) comprises a first ultrasound signal (14) resulting at least partially from the first ultrasound wave (8) which has propagated through at least a part of the object (4), and a first electromagnetic interference signal. It is proposed to detect a second receive signal (18) comprising a second electromagnetic interference signal by means of a first receive means of the measurement arrangement (2) and to process the first receive signal (12) and the second receive signal jointly, wherein at least the first receive signal (12) is at least partially interference- suppressed.
A method is provided for non-invasively determining properties of a multiphase flow which flows through an electrically conductive object. Using a single set-up having a plurality of EMAT transducers, at least one property of the multiphase flow is determined by means of at least one of a plurality of measurement methods. A device is also provided for non-invasively determining properties of a multiphase flow which flows through an electrically conductive object. At least four EMAT transducers are positionable upstream along a first object cross-section at or near the object wall and at least four EMAT transducers are positionable downstream along a second object cross-section at or near the object wall.
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01N 29/032 - Analysing fluids by measuring attenuation of acoustic waves
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
21.
METHOD FOR DETERMINING A MATERIALS CHARACTERISTIC VALUE OF MAGNETIZABLE METAL BODIES BY MEANS OF A MICROMAGNETIC SENSOR ASSEMBLY, AND CORRESPONDING SENSOR ASSEMBLY
The invention relates to a method for determining at least one material characteristic of a magnetizable metal body using a micromagnetic sensor arrangement, which comprises at least one excitation coil having a magnetic core for signal excitation and at least one receiver, comprising the steps:- magnetizing the body by means of the sensor arrangement via current or voltage excitation of the sensor arrangement, which comprises at least one sign change between a positive part of a half-wave and a negative part of a half-wave,- measuring at least one signal in the receiver,- Fourier transformation of the signal,- determining the material characteristic from at least one Fourier component,- turning off the excitation, and- measuring the post-oscillation of the signal in the receiver after turning off the excitation and using at least the part of the signal resulting from the post-oscillation in the Fourier transformation.
The invention relates to a piece of water sports equipment, in particular a hydrofoil board, comprising a floating body (4), preferably in the shape of a floating board, and a propulsion device (50) which is provided for driving the piece of water sports equipment, wherein the piece of water sports equipment (2), in particular the propulsion device (50), has at least one sensor assembly (74) which can be used to determine a position and which is designed to generate control signals on the basis of signals of the sensor assembly (74) for geo-fencing and/or homing purposes using a control unit (70) of the piece of water sports equipment (2).
B63B 32/60 - Board appendages, e.g. fins, hydrofoils or centre boards
B63B 1/30 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils retracting or folding
B63H 11/08 - Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
B63B 43/18 - Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collisionImproving safety of vessels, e.g. damage control, not otherwise provided for reducing collision damage
The invention relates to a water sport device, in particular a foilboard, comprising a floating body (4), in particular in the form of a swimming board, and a foil device (6) which is secured to the floating body (4) by means of a retaining device (8), wherein the foil device (6) arranged on a link (110, 11) of the retaining device (8) has at least one, preferably at least two foils (16), and it can be transferred via the retaining device (8) from an idle and/or starting position into an operating position below the floating body (4), wherein, in the operating position and during a forward movement, due to an uplift force caused by the foil device (6), the floating body (4) can be transferred into a position in which is spaced apart from the surface of the water, wherein the retaining device (8) has a drive, which is preferably designed as an electromechanical or electro-pneumatic drive (12), via which the foil device can be transferred, in particular extended and retracted and/or folded, from an idle and/or starting position into the operating position and/or from the operating position into the idle and/or starting position.
B63B 1/30 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils retracting or folding
B63B 32/64 - Adjustable, e.g. by adding sections, by removing sections or by changing orientation or profile
The invention relates to a water sport device, in particular a foilboard, comprising a floating body (4), preferably in the form of a floating board, and a foil device (6) which is secured to the floating body (4) by means of a retaining device (8), as well as comprising a propulsion device (50) provided for propelling the water sport device (2), wherein the foil device (6) arranged on a link (10) of the retaining device (8) has at least one, preferably at least two foils (16), wherein, in the operating position and during a forward movement, due to an uplift force caused by the foil device (6), the floating body (4) can be transferred into a position in which it is spaced apart from the surface of the water, and wherein the water sport device (2) and, in particular, the propulsion device (50) are designed for automatically self-stabilising the water sport device (2) and the water sport device (2) has a control unit (70) provided for this purpose.
B63B 32/60 - Board appendages, e.g. fins, hydrofoils or centre boards
B63B 1/30 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils retracting or folding
B63H 11/08 - Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
B63B 43/18 - Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collisionImproving safety of vessels, e.g. damage control, not otherwise provided for reducing collision damage
The present invention relates to a water sports device having a floating body, and a foil device, which is secured to the floating body by means of a retaining device. The foil device arranged on a link of the retaining device has at least one foil and the foil device can be transferred via the retaining device from a resting and/or starting position close to the floating body into an operating position below the floating body. The floating body in the operating position and during a forward movement can be moved by an uplift force produced by the foil device into a position in which it is distant from a water surface. The water sports device further includes at least one propulsion device which has at least one motor designed as an internal rotor motor, which can be controlled by means of a control unit.
B63B 32/60 - Board appendages, e.g. fins, hydrofoils or centre boards
B63B 1/24 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
B63B 1/30 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils retracting or folding
B63H 1/16 - Propellers having a shrouding ring attached to blades
B63H 11/08 - Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
26.
METHOD FOR CONSTRUCTING AND/OR MANUFACTURING A WATER SPORTS DEVICE
The invention relates to a method for constructing and/or manufacturing a water sports device (2) which has a modular structure comprising a floating body (4). The modules can be connected together via interfaces and are connected during operation. In particular, the invention relates to a method for constructing and/or manufacturing a foilboard or driver propulsion vehicle, wherein a server device is provided, and a program-controlled input interface is provided for user-defined inputs on a terminal (5), in particular a mobile terminal, which is arranged at a distance from the server device in particular. The modules are imaged in a computer program of the server device and/or of the terminal (5), and at least one outer contour of the floating body (4) of the water sports device (2) can be, in particular, freely defined by the user. On the basis of the outer contour of the floating body (4) defined in the program, automated manufacturing information is produced, and the floating body (4) manufactured according to the production information can be combined with another module, in particular multiple other modules, to produce the water sports device (2). The invention also relates to a water sports device.
B63B 32/50 - Boards characterised by their constructional features
B63B 32/60 - Board appendages, e.g. fins, hydrofoils or centre boards
B63B 32/62 - Board appendages, e.g. fins, hydrofoils or centre boards characterised by the material, e.g. laminated materialsBoard appendages, e.g. fins, hydrofoils or centre boards characterised by their manufacturing process
B63B 1/24 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
B63B 1/28 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils
The invention relates to a water sport device, in particular a foilboard, comprising a floating body (4), preferably in the form of a floating board, and at least one foil device (6) which is secured to the floating body (4) by means of a retaining device (8) having at least one first link (10), wherein the foil device (6) has at least one, preferably at least two foils (16), and it can be transferred via the retaining device (8) into an operating position below the floating body (4), wherein, in the operating position and during a forward movement, due to an uplift force caused by the foil device (6), the floating body (4) can be transferred into a position in which is spaced apart from the surface of the water, wherein the foil device (6) can be transferred, in particular extended and retracted and/or folded, from an idle and/or starting position into the operating position and/or from the operating position into the idle and/or starting position via the retaining device (8), and the water sport device, preferably the retaining device has, in particular, a drive (12) provided with an energy accumulator for this purpose.
B63B 32/66 - Arrangements for fixation to the board, e.g. fin boxes or foil boxes
B63B 34/10 - Power-driven personal watercraft, e.g. water scooters Accessories therefor
B63B 1/24 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
B63B 1/30 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils retracting or folding
An underwater motor module (2) for a water sports device (3), which forms at least one flow channel (6) each having at least one inlet opening (8) and an outlet opening (10) and has a motor (11) which is in the form of an internal rotor motor and comprises a hollow rotor (16), which concomitantly forms the flow channel (6) by way of its inner side (12), which on its outer side (14) directed away from the flow channel (6) is mounted outside the flow channel (6), and which bears blades (18), and also comprises an external stator (22) arranged in a housing (20). The invention also relates to an underwater drive, to a water sports device and to a method for constructing and/or manufacturing a water sports device (3).
B63B 1/24 - Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
B60L 50/90 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by specific means not covered by groups , e.g. by direct conversion of thermal nuclear energy into electricity
The invention relates to a method for leakage detection on an object flown through by a medium, in particular a pipe or a pipeline. According to the invention, a pattern is identified in the determined values for the change of the flow rate and the pressure of the medium and for a temperature change, and a probability for the presence of a leak is determined based on the identified pattern and due to self-learning systems.
G01M 3/26 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
G01M 3/28 - Investigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables, or tubesInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipe joints or sealsInvestigating fluid tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for valves
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
30.
Ultrasonic gas flow measuring device and method for evaluating useful signals of a transducer in a conductive pipe
A method for noninvasive determination of the flow or the flow rate in an electrically conductive object, through which a gaseous medium flows, by an acoustic flow meter, wherein an emitting transducer is arranged on the object wall—and a receiving transducer is arranged spaced apart in the longitudinal direction of the object on the object wall, an ultrasonic wave is generated in the object by the emitting transducer, which is partially coupled as a longitudinal wave into the medium, and a useful signal, which at least partially results due to the longitudinal wave, is detected by the receiving transducer, the flow rate is determined from the useful signal via an evaluation device, the emitting transducer is arranged in a first position in the circumferential direction around a longitudinal axis of the object and the receiving transducer is arranged in a second position, varied in relation to the first position around the longitudinal axis, outside the main beam of the ultrasonic wave, and the width of the main beam is restricted to a sector between two contact points of a sensor mechanism.
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01F 1/667 - Arrangements of transducers for ultrasonic flowmetersCircuits for operating ultrasonic flowmeters
31.
Sealing arrangement for a connection between two connecting elements of an offshore structure and method for producing same
Seal arrangement for a joint of two joint elements, in particular realized as a monopile and a transition piece, of an offshore structure, preferably an offshore wind energy installation, in particular a substructure thereof, in which, for the purpose of producing a stable joint, an upper joint element and a lower joint element are inserted into each other in a clamping manner by means of at least one seal unit, comprising one of the joint elements and the at least one seal unit fixed to the joint element, in such a manner that the seal unit, in a joining position, is arranged between an inner joint surface of one joint element and an outer joint surface of the other joint element, at least one seal unit having at least one elastic sealing element, which extends in the circumferential direction around the entire circumference and the thickness (D) of which is greater than the thickness (D′) of an adjoining seal unit region and method for producing a seal arrangement.
A sensor device is provided for fitting to an object through which a medium flows, in particular to a pipeline. The sensor device comprises at least one converter device having at least one flexible converter element which comprises at least one electrically conductive conductor element and, for the sectional coverage of the object, is transposable to an operating position, in which it is at least partially arranged about a longitudinal axis. The converter device comprises a resetting device having at least one transmission element which is arranged on the converter element. The resetting device is provided for the setting and/or resetting of the converter element in the operating position.
G01F 1/58 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
The invention relates to a method for the non-invasive determination of a properties of a multi-phase current which flows through an electrically conductive object (2), wherein at least one property of the multi-phase current is determined by at least one of a plurality of measurement methods using a single set-up having a plurality of EMAT transducers (10a, 10b, 10c, 10d, 12a, 12b, 12c, 12d, 24, 24', 32, 32', 42, 44a, 44b, 44c, 44d, 44e, 44f, 44g, 44h, 48, 50). The invention further relates to a device for the non-invasive determination of properties of a multi-phase current which flows through an electrically conductive object (2), comprising at least four EMAT transducers (10a, 10b, 10c, 10d, 24, 24', 32, 32', 48) to be positioned upstream along a first object cross section or near the object wall (4) and at least four EMAT transducers (12a, 12b, 12c, 12d, 24, 24', 32, 32', 48) to be positioned downstream along a second object cross-section or near the object wall (4).
G01N 29/032 - Analysing fluids by measuring attenuation of acoustic waves
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
METHOD FOR NONINVASIVE DETERMINATION OF THE FLOW OR OF THE FLOW RATE IN AN ELECTRICALLY CONDUCTIVE OBJECT THROUGH WHICH A GASEOUS MEDIUM FLOWS, AND ACOUSTIC FLOW METER FOR CARRYING OUT THE METHOD
The invention relates to a method for the non-invasive determination of the flow or of the flow rate in an electrically conductive object (6) through which a gaseous medium (7) flows, by means of an acoustic flow meter, wherein a transmitting transducer (2) is arranged on the object wall (10) and, in the longitudinal direction of the object (6), a receiving transducer (4) is arranged at a distance on the object wall (10), an ultrasonic wave (8) which is at least partially coupled as a longitudinal wave (12) into the medium (7) is generated in the object (6) by means of the transmitting transducer (2), and a useful signal (14) which is produced at least partially due to the longitudinal wave (12) is detected by the receiving transducer (4). The flow rate is determined from the useful signal (14) by means of an evaluation device. The transmitting transducer (2) is arranged in a circumferential direction (U) about a longitudinal axis (A) of the object (6) in a first position and the receiving transducer (4) is arranged in a second position which is outside the main beam (16) of the ultrasonic wave (8) and is varied about the longitudinal axis (A) relative to the first position, and the width (C) of the main beam (16) is limited to a sector (20) between two contact points (22) of a sensor mechanism.
The invention relates to a sealing arrangement (2) for a connection between two connecting elements (4, 6), particularly a monopile and an adapter, of an offshore structure, preferably an offshore wind turbine, and particularly of a foundation thereof, in which an upper connecting element (4) and a lower connecting element (6) are inserted one into the other to produce a stable connection with at least one sealing unit (8, 8') clamped between them, comprising one of the connecting elements (4, 6) and the at least one sealing unit (8, 8') that is secured to said connecting element (4, 6), such that the sealing unit (8, 8') is positioned in a connecting position between an inner connecting surface (10) of one connecting element (4, 6) and an outer connecting surface (12) of the other connecting element (4, 6), wherein at least one sealing unit (8, 8') comprises at least one elastic sealing element (14) which extends around the full volume in the circumferential direction, and the thickness (D) of which is greater than the thickness (D') of an adjoining sealing unit region. The invention also relates to a method for producing a sealing arrangement (2).
The invention relates to a sensor device (2) for mounting on an object through which a medium is passed, in particular on a pipeline, the sensor device comprising at least one transducer device (4) having at least one flexible transducer element (6), which has at least one electrically conductive conductor element and can be transferred into an operating position in order to cover the object in part, in which operating position the transducer element is arranged at least in part about a longitudinal axis (10). The transducer device (4) has a restoring device (12) with at least one transfer element (14) arranged on the transducer element (6), the restoring device (12) being intended to adjust and/or return the transducer element (6) into the operating position.
Pipe having a coating (6) and intended for transporting a medium, in particular a water-containing oil/sand mixture, comprising a wall (5) which is provided on the inner side with the coating (6), which is preferably composed of at least one elastomer, characterized in that, in order to measure the thickness of the coating (6) of the pipe from outside, a (first) transducer arrangement is arranged on the inner side of the pipe together with the coating (6), which transducer arrangement is designed to receive a signal emitted into the wall (5) from outside, from which signal electrical energy for supplying at least one electrical conductor (1) can be generated by means of the transducer arrangement, wherein the conductor (1) of the transducer arrangement is arranged at least partially in the coating and the transducer arrangement is designed to emit a signal formed on the basis of the energy supply into the wall (5), and method for measuring the thickness of an inner coating of a pipeline.
The invention relates to a method for determining the flow or the flow rate of a medium in an electrically conductive object, in particular a pipe (1) or a pipeline, through which a medium flows. At least one ultrasonic wave (16) is produced by means of a transmitting transducer (11) in the object and is injected into the medium as a longitudinal wave (8) on an inner side of the object, and an ultrasonic signal, coming at least partially from the longitudinal wave (8), is received by the receiving transducer (12), at a spatial distance from the injection point and is used to evaluate the flow or the flow rate. Said transmitting transducer (11) produces, preferably in the absence of an acoustic coupling with the surface of the object, a first variable magnetic field in an area close to the surface of the object, in particular metallic, and a first ultrasonic wave is produced in said area by means of the interaction of said variable magnetic field with a static or quasi-static magnetic field. Said transmitting transducer (11) also produces an additional variable magnetic field in the area of the object and an additional ultrasonic wave is produced in said area by means of the interaction of the variable magnetic field with a static or quasi-static magnetic field, said other ultrasonic wave is superimposed on the first ultrasonic wave such that an amplitude of a resulting wave in the direction of the receiving transducer (12) is increased and is reduced in the direction away from said receiving transducer (12). Preferably, the first and the second magnetic fields are produced by two high frequency bobbins (18, 19) of the transmitting transducer (11). The invention also relates to a device for carrying out said inventive method.
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01N 29/032 - Analysing fluids by measuring attenuation of acoustic waves
B06B 1/04 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with electromagnetism
40.
Acoustic flow rate meter having a high frequency induction coil mounted directly on the piping without an acoustic coupling
Acoustic flow rate meter for the noninvasive determination of the flow or the flow rate in electrically conductive objects through which media flow, in particular pipes or pipelines, having an excitation transducer for generating at least one ultrasonic wave in the object, which is coupled into the medium as a longitudinal wave on an inner side of the object oriented toward the medium, and having a receiving transducer for the detection of an ultrasonic signal in the object, wherein the ultrasonic signal at least partially results due to the longitudinal wave, wherein the excitation transducer is implemented as a high-frequency induction coil, while omitting an acoustic coupling of the excitation transducer with the surface of the object, to generate a varying magnetic field in a surface-proximal region of the object, which is metallic in particular, and the ultrasonic wave is generated by interaction of the varying magnetic field with a static or quasi-static magnetic field in this region.
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01S 15/58 - Velocity or trajectory determination systemsSense-of-movement determination systems
41.
ACOUSTIC FLOWMETER AND METHOD FOR DETERMINING THE FLOW IN AN OBJECT
The invention relates to a method for determining the flow or the flow rate of a medium in an electrically conductive object, in particular a pipe (1) or a pipeline, through which a medium flows. At least one ultrasonic wave (16) is produced by means of a transmitting transducer (11) in the object and is injected into the medium as a longitudinal wave (8) on an inner side of the object, and an ultrasonic signal, coming at least partially from the longitudinal wave (8), is received by the receiving transducer (12), at a spatial distance from the injection point and is used to evaluate the flow or the flow rate. Said transmitting transducer (11) produces, preferably in the absence of an acoustic coupling with the surface of the object, a first variable magnetic field in an area close to the surface of the object, in particular metallic, and a first ultrasonic wave is produced in said area by means of the interaction of said variable magnetic field with a static or quasi-static magnetic field. Said transmitting transducer (11) also produces an additional variable magnetic field in the area of the object and an additional ultrasonic wave is produced in said area by means of the interaction of the variable magnetic field with a static or quasi-static magnetic field, said other ultrasonic wave is superimposed on the first ultrasonic wave such that an amplitude of a resulting wave in the direction of the receiving transducer (12) is increased and is reduced in the direction away from said receiving transducer (12). Preferably, the first and the second magnetic fields are produced by two high frequency bobbins (18, 19) of the transmitting transducer (11). The invention also relates to a device for carrying out said inventive method.
Acoustic flow rate meter for the noninvasive determination of the flow or the flow rate in electrically conductive objects through which media flow, in particular pipes or pipelines, having an excitation transducer for generating at least one ultrasonic wave in the object, which is coupled into the medium as a longitudinal wave on an inner side of the object oriented toward the medium, and having a receiving transducer for the detection of an ultrasonic signal in the object, wherein the ultrasonic signal at least partially results due to the longitudinal wave, wherein the excitation transducer is implemented as a high-frequency induction coil, while omitting an acoustic coupling of the excitation transducer with the surface of the object, to generate a varying magnetic field in a surface-proximal region of the object, which is metallic in particular, and the ultrasonic wave is generated by interaction of the varying magnetic field with a static or quasi-static magnetic field in this region.
Pipe arrangement comprising two pipes and a sleeve (5), wherein both pipes have an outer metal wall (2) and an inner, heat-sensitive lining (1) of plastic and also end sides (3) facing one another and are connected to one another via the sleeve (5) which is arranged outside the pipes and which is welded to at least one pipe, wherein an insulator (7) is integrated in the circumferential direction of the pipe and between the metal wall (2) and the lining (1) along a weld seam (6) which is spaced from the end side (3) of a first pipe in the pipe longitudinal direction and which connects the sleeve (5) to this pipe, and process for producing a pipe arrangement, which is distinguished in that the insulator (7) is mounted on the inner side of the metal wall (2) of at least one pipe at a spacing from its end side (3), then, by introducing the lining (1) of the pipe, it is integrated into the latter, this pipe is then inserted into a sleeve (5) mounted on a further pipe provided with a lining, and the sleeve (5) is welded to the pipe along the insulator (7) and on the outer side of the pipe to its metal wall (2).
A pipeline has a first pipe and a second pipe welded together by a weld seam, wherein the first and second pipes each have an inner side with a lining section of plastic material for protecting an inner side of the pipeline. The lining sections end at a spacing from the weld seam. The lining section of the first pipe abuts the lining section of the second pipe such that by an undercut provided on at least one of the lining sections a fill space is formed in a circumferential direction of the pipeline.
patents
