The invention relates to a trailing suction hopper dredger comprising; - a propulsion system for propelling the trailing suction hopper dredger, - a suction system for transporting dredged material from a bottom of a body of water into the trailing suction hopper dredger, and having i. a suction head ii. a suction tube, and a iii. suction tube inlet connection of the trailing suction hopper dredger, - an inboard pump system for driving a flow of dredged material in the suction system, wherein the suction tube is bow pointing from the suction tube inlet connection.
The invention provides a method and system for discharging dredged material stored within a hopper. The discharging system comprising a plurality of sensors on at least one bottom wall of the hopper for acquiring information over a dredged material stored within the hopper; an outlet on a lower part of the hopper for discharging the dredged material; and at least one water jet valve for fluidizing the dredged material while discharging; wherein a quantity of water flowing out of the at least one water jet valve is based on the acquired information from the plurality of sensors.
Dredging equipment [machines]; digging, chopping and cutting
machines; cutter suction dredgers and cutter heads being
equipment for cutting loose and removing dredged material by
suction; machines not included in other classes of goods and
machine tools; conveyor belts, booster stations for
pipelines, and other named gripping, hoisting, unloading,
loading, and transport devices, as well as other machines
and machine parts for dredging, ground extraction, wet
earthmoving, and wet ore and gold mining, not included in
other classes; hydraulic drives and components therefor, in
particular cylinders, pumps, motors, valves and blocks;
electricity generators; winches; machines for constructing,
maintenance and cleaning of canals and ditches; unmanned
transportation conveyors being cargo handling machines;
pumps [machines]; pillar clamps (being machine parts).
4.
SYSTEM FOR MEASURING OF A CONCENTRATION PARAMETER OF A FLOW OF A SOLID/LIQUID MIXTURE
The present invention relates to a system for measuring of a concentration parameter of a flow of a solid/liquid mixture (M), the system comprising;
an antenna arrangement for feeding electromagnetic energy into the a volume of mixture under test and receiving a response back from the volume of the mixture under test,
wherein the antenna arrangement comprises a ring shaped conductive antenna member having an opening for passing the flow of solid/liquid mixture (M) there through, wherein the ring shaped conductive antenna member and the opening thereof define the measurement volume of mixture under test.
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
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 provides a method and system for discharging dredged material stored within a hopper. The discharging system comprising a plurality of sensors on at least one bottom wall of the hopper for acquiring information over a dredged material stored within the hopper; an outlet on a lower part of the hopper for discharging the dredged material; and at least one water jet valve for fluidizing the dredged material while discharging; wherein a quantity of water flowing out of the at least one water jet valve is based on the acquired information from the plurality of sensors.
A method for driving an offshore pile (1) into soil (S). The method comprises providing a pile (1), the pile (1) comprising a peripheral wall (11) extending from a lower, open, end (12); positioning the pile (1) in a first position wherein the lower, open, end (12) of the peripheral wall (11) is closed by the soil (S) to define an internal space (13) inside of the peripheral wall (11); providing a pile driving assembly in a coaxial arrangement at or in an upper end (15) of the pile (1); providing pumping equipment (2) at a location adjacent to the pile (1); exerting a driving force (F) onto the pile (1) using the pile driving assembly, to drive the pile (1) into the soil (S); and pumping water, using the pumping equipment (2), from the internal space (13) during the exertion of the driving force (F), to lower the water level (Wi) in the internal space (13) such that water flows from outside of the pile (1) to the internal space (13) through the lower, open end (12) of the peripheral wall (11).
The present invention relates to a system (1) for the measuring of a concentration parameter of a flow of a solid/liquid mixture, the system (1) comprising: an antenna arrangement (2) for feeding electromagnetic energy into a volume of a mixture (7) under test and receiving a response back from the volume of the mixture under test (7), wherein the antenna arrangement (2) comprises a ring shaped conductive antenna member (2a, 2b) having an opening (4) for passing the flow of the solid/liquid mixture there through, and wherein the ring shaped conductive antenna member (2a, 2b) and the opening (4) thereof define the measurement volume of the mixture under test (7).
E02F 3/90 - Component parts, e.g. drives, control devices
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 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
G01N 15/06 - Investigating concentration of particle suspensions
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
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
A boring machine (1) for boring a hole in the earth comprises a cutter head (2), a cutter head support (3) and a rear part (6) which is provided with movable rear part grippers (7) for temporarily fixing the rear part with respect to its surroundings. The cutter head is rotatable with respect to the cutter head support about an axis of rotation (4). The cutter head support and the rear part are coupled to each other by a thrust mechanism (8) and a hinge (9) including a single pivot point. The hinge is translatable along an axis of translation (14) which extends through the pivot point and has at least a component that coincides with the axis of rotation. The thrust mechanism drivably engages at least one of the cutter head support and the rear part at a distance from the axis of rotation and the axis of translation.
A pump housing comprises a circumferential wall forming an outer wall of the pump housing; a pump casing which connects to the circumferential wall on a first outer side to form a first chamber, the pump casing comprising a central opening to form an axial supply of the pump housing for material to be pumped; and pressurizing means to pressurize the first chamber.
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Naval and offshore dredging, mining and drilling machines;
machine tools for naval, dredging works, mining works,
offshore drilling works, (wet) soil treatment works and
(wet) soil movement; cutters [machines]; pile driving and
drilling machines; drilling units; hydraulic hammers;
hydraulic rock breakers; pile sleeves; booster pump
stations, being machines; remotely operated machines for
underwater mining and dredging; dredging, mining and
drilling machines for the naval, dredging, mining and
offshore industry; lifting machines for vertical transport,
being parts of naval and offshore dredging, mining and
drilling machines; lift systems for naval, dredging, mining
and offshore operations, namely lifting machines lifting of
risers and remotely operated lifting machines; dredging
wheels being parts of bucket-wheel dredgers; drag heads
(machine parts); swell compensators (machine parts);
winches; gearboxes, other than for land vehicles; suction
pipes [parts of machines]; bow couplings and barge load
pipes (machine parts); spud carriers (machine parts);
gantries [cranes]; spud tilting and lifting machines;
centrifugal pumps (machines); submarine ploughs; trenchers
(machines); pile clamps for pile handling equipment (machine
parts); pipe carousels and pipe lifting frames (machine
parts); jigs for holding a component during machining;
hydraulic cylinders and hydraulic valves; hydraulic
manifolds being parts of machines or being pipings as part
of hydraulic machines; bearings (machine parts); sealing
joints [parts of machines]; pumps; valves; hydraulic pumps;
dredge valves; loading boxes being parts of loading
machines; dredging buckets; overflow pipes being parts of
machines; lift doors; grabs [machine parts]; baskets being
parts of industrial carousel machinery; level winders being
parts of industrial carousel machinery; level wind
compensators being parts of industrial carousel machinery;
aligner chutes being parts of industrial carousel machinery;
running trays being parts of industrial carousel machinery;
sieves being parts of soil treatment machines; feed boxes
being parts of soil treatment machines; hydro cyclones being
parts of soil treatment machines; teeth for cutting soil or
rock [parts of machines]; adapters for teeth and suction
mouths, all being parts of machines; turning glands (parts
of machines); soil conveyors [machines]; seabed leveling
equipment being machines for leveling seabeds; haulage
apparatus [mining]; cutter heads (parts of machines);
bending machines; hydraulic power generators being machines;
tools (machine or parts of machines) for naval, dredging,
excavating and offshore work, and for treating and/or moving
dredged material; cutting heads [machine parts]; dredge
pumps; drag heads for trailing suction hopper dredgers;
piling machines, incorporating pile sleeves, sleeve inserts,
pile cap, winches, monitoring equipment, noise reduction
packages and control cabins; sealings for propeller shafts
(parts of machines); sealings for propeller shaft sleeves
(parts of machines); propeller shaft bearings (parts of
machines); deep-sea working machine tools for penetrating
the seabed, obtaining samples of the sea-floor and testing
samples of the sea-floor; sealing joints (parts of engines);
sealing joints (parts of machines); housings for pumps
[machines]; impellers for use in dredge pumps; heave
compensators; fuel injection systems for internal combustion
engines; emission reduction units for motors and engines. Naval, dredging, mining and offshore vessels, either with
and without its own propulsion namely cutter suction
dredgers, bucket wheel dredgers, plain suction dredgers,
bucket ladder dredgers, grab dredgers, barge unloading
dredgers, trailing suction hopper dredgers, amphibian
vessels, backhoe dredgers, deep sea dredging and mining
vessels as well as, dredge material delivery vessels;
(split) barges and spray pontoons all being parts of
vessels; tow boats; dredging support vessels, namely
workboats; vessels used for off-shore activities either with
and without their own propulsion, namely drilling ships,
offshore supply vessels, well intervention/enhancement
vessels, cable lay vessels, jack-up vessels with lifting
platforms, crane vessels, support barges, heavy lift
vessels; special vessels, namely ferries and (inland) cruise
vessels as well as naval (auxiliary) vessels; submarines. Installation, maintenance, renovation and repair of
structures and transportable buildings of metal, offshore
platforms (metal), metal pipelines, equipment designed for
dredging, soil mining, earthmoving and wet ore and gold
mining and offshore industry, metal building materials,
including connectors, including flexible connection hoses,
couplings, sleeves and washers, seals, sealing rings,
rotating sealing components, rotary seals, wear resistant
rings made of steel, particularly for marine and industrial
applications, naval, dredging, mining and offshore machines,
equipment for dredging works, mining works, offshore works,
(wet) soil treatment works and (wet) soil movement, cutters,
pile driving and drilling machines, hydraulic hammers,
drilling units, hydraulic rock breakers, pile sleeves,
so-called booster pump stations, being machines, remotely
operated machines for underwater mining and dredging,
treatment plants for the naval, dredging, mining and
offshore industry, machines for vertical transport, being
parts of naval, dredging, offshore and mining machines, lift
hardware systems for naval, dredging, mining and offshore
operations, dredging wheels, drag heads (machine parts),
winches, swell compensators (machine parts), gearboxes,
suction pipes, bow couplings and barge load pipes (machine
parts), gantries, spud carriers (machine parts), spud
tilting and lifting machines, centrifugal pumps (machines),
submarine ploughs, trenchers (machines), pile clamps for
pile handling equipment (machine parts), pipe carousels and
pipe lifting frames (machine parts), jigs, hydraulic
cylinders, pumps, valves, hydraulic pumps and hydraulic
valves, hydraulic manifolds being parts of machines or being
pipings as part of hydraulic machines, bearings (machine
parts), sealing parts of machines, (dredge)valves, loading
boxes, dredging buckets, overflow pipes, bottom doors,
grabs, baskets for carousel equipment, level winders for
carousel equipment, level wind compensators for carousel
equipment, aligner chutes for carousel equipment, running
trays for carousel equipment, sieves for soil treatment
plants, feed boxes for soil treatment plants, hydro cyclones
for soil treatment plants, teeth for cutting soil or rock,
adapters for teeth and suction mouths, haulage apparatus
[mining], beach operating vehicles, turning glands (parts of
machines), bending machines, soil conveyors [machines],
seabed levelling equipment being machines for levelling
seabeds, cutter heads (parts of machines), power packs,
hydraulic power packs being machines, tools (machine or
parts of machines) for dredging, excavating and offshore
work, and for treating and/or moving dredged material,
cutting heads and parts therefore, dredge pumps, drag heads
for trailing suction hopper dredgers, piling equipment,
including pile sleeves, sleeve inserts, anvils, pile cap,
winches, monitoring equipment, noise reduction packages and
control cabins, sealing joints (parts of engines), sealing
joints (parts of machines), sealings for propeller shafts
(parts of machines), sealings for propeller shaft sleeves
(parts of machines), propeller shaft bearings (parts of
machines), deep-sea sampling tools for penetrating the
seabed, obtaining samples of the sea-floor and testing same,
pump housings, impellers for use in dredge pumps, heave
compensators, equipment (hand tools) for dredging, mining
and the offshore industry, measuring, checking, testing, and
instruments, electronic control systems [hardware], nautical
apparatus and instruments, surveying equipment, depth
finders for shipping, detectors, electric installations for
the manual and automatic regulation and control of naval,
dredging, mining and offshore vessels and naval, dredging,
mining and offshore apparatus and instruments, electronic
and computerized installations for controlling the operation
of naval, dredging, mining and offshore vessels, dredging
apparatus and instruments, both by conventional control and
regulation methods as well as by model based, artificial
intelligent methods, hardware for the real-time simulation
of the operations of naval, dredge, mining and offshore
vessels and naval, dredge, mining and offshore apparatus and
instruments, sensors for detecting underwater changes in the
magnetic fields, diving equipment, decompression chambers,
oxygen regulators, naval, dredging, mining and offshore
vessels, either with and without its own propulsion namely
cutter suction dredgers, bucket wheel dredgers, plain
suction dredgers, bucket ladder dredgers, grab dredgers,
barge unloading dredgers, trailing suction hopper dredgers,
amphibian vessels, backhoe dredgers, deep sea dredging and
mining vessels as well as, dredge material delivery vessels,
(split) barges and spray pontoons all being parts of
vessels, tow boats, dredging support vessels, namely
workboats, vessels used for off-shore activities either with
and without their own propulsion, namely drilling ships,
offshore supply vessels, well intervention/ enhancement
vessels, dive support vessels, deep sea dredging and mining
support vessels, offshore wind mill placement and
maintenance vessels, pipe laying vessels, jack-up platform
vessels, offshore construction vessels and wind mill
installation vessels, offshore support vessels, namely
workboats, offshore supply vessels, research vessels, cable
lay vessels, jack-up vessels namely so-called lifting
platforms, crane vessels, support barges, heavy lift
vessels, special vessels, namely ferries and (inland) cruise
vessels as well as naval (auxiliary) vessels, submarines,
wear resistant rings made of plastics, wear resistant
plastic material for use in the maritime sector, sealing
rings, rotating sealing components, particularly for
maritime and industrial purposes, rubber dredging hoses,
flexible rubber dredge hoses with steel inserts for better
wear resistance, junctions for pipes, reinforcement pieces
for pipes; consultancy services relating to the aforesaid;
dredging services; mining extraction services; offshore
drilling services; construction management [supervision];
building; machinery installation; mining extraction services
including the extraction of oil and gas; repair and
maintenance of naval, dredging, mining and offshore vessels,
machines and apparatus, fuel systems for internal combustion
engines, emission reduction units for motors and engines,
fuel cells, fuel regulating apparatus, particle emission
monitors. Education and training focused on work in the naval,
dredging, mining and offshore industry and consultancy
services relating to the aforesaid. Design, development and technological research in relation
to naval, dredging, mining and offshore vessels, machines
and equipment; installation and maintenance of software;
software development and updating; customizing software
according to customer specifications; providing temporary
use of on-line non-downloadable software tools; software as
a service (saas); technological advice concerning naval,
dredging, mining and offshore operations; design and
planning services relating to naval, dredging, mining and
offshore machinery; engineering; naval architecture;
geophysical exploration for the mining industry; mining and
mineral exploration services; soil testing services; soil
analysing services, exploration to locate gas and oil;
installation, maintenance, testing, updating and repair of
computer operating programs, software, software for the
real-time simulation of the operations of naval, dredge,
mining and offshore vessels and naval, dredge, mining and
offshore apparatus and instruments, software which is used
to calculate the power and energy which is necessary to cut
loose certain types of soil and rock underwater, in order to
optimize in this way the power of the required tools.
The present invention relates to a vessel comprising an excavator for dredging or shifting soil for cleaning watercourses, the excavator comprising;
a weight balanced boom hingeably supported around a boom hinge axis,
a bucket-arm hingeably connected to the boom, and provided with a bucket and/or digging tool at a free end of the bucket-arm,
wherein a counterweight is connected to the boom and wherein the counterweight is positioned with respect to the boom such that a centre of gravity of the counterweight is above and about vertically aligned with the boom hinge axis when the bucket and/or digging tool is at a lowest digging position.
A testing system (360) for determining ground characteristics is disclosed. The testing system (360) includes a driving means (370) and a test element (100). The test element (100) includes a longitudinal body (110) configured to receive a driving force from the driving means and a penetration end (114); and a set of two or more sensors interspaced along the length of the longitudinal body, each being configured to provide information about a ground characteristic. The set of sensors comprises a first sensor (130) spaced a first distance from the penetration end and a second sensor spaced a second, larger, distance from the penetration end. In use, the driving means is configured to provide a driving force to the test element to drive the test element into the ground to a first ground depth, wherein the first sensor of the two or more sensors provides information about the ground characteristic at or across an elevation level as the test element is driven into the ground to the first ground depth; and provide a driving force to the test element to further drive the test element into the ground to a second ground depth, wherein the second sensor of the two or more sensors provides information about the ground characteristic at or across the elevation level as the test element is further driven into the ground to the second ground depth.
A test element (100) for determining ground characteristics is disclosed. The test element comprises a longitudinal body (110) configured to receive a driving force from a driving means and a penetration end; and at least two lateral stiffness sensors (130, 140) interspaced along the length of the longitudinal body. Each of the at least two lateral stiffness sensors are configured to determine the lateral stiffness of the ground at a corresponding elevation level once the test element is driven to a predetermined depth.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Naval and offshore dredging, mining and drilling machines; machine tools for naval, dredging works, mining works, offshore drilling works, wet soil treatment works and wet soil movement, namely, jigs, being gravity separators; pile driving and drilling machines; hydraulic hammers; hydraulic rock breakers; machine parts, namely pile sleeves; remotely operated machines for underwater mining and dredging; dredging, mining and drilling machines for the naval, dredging mining and offshore industry; lifting machines for vertical transport, being parts of naval and offshore dredging, mining and drilling machines; lift systems for naval, dredging, mining and offshore operations, namely, lifting machines for lifting of risers and remotely operated lifting machines; dredging machine parts, namely, dredging wheels being parts of bucket-wheel dredgers; swell compensators being machine parts; winches; gearboxes, other than for land vehicles; suction pipes being machine parts; bow couplings and barge load pipes being machine parts; spud carriers being machine parts; gantries being cranes; spud tilting and lifting machines; submarine ploughs; trenchers being machines for digging trenches; pile clamps for pile handling equipment being machine parts; pipe carousels and pipe lifting frames being machine parts; hydraulic cylinders and hydraulic valves being machine parts; hydraulic manifolds being parts of machines or being pipings as part of hydraulic machines; pumps, namely booster pump stations, being machines, centrifugal pumps being machines and dredge pumps; dredge valves as machine components; loading boxes being parts of loading machines; machine parts, namely dredging buckets; overflow pipes being parts of machines; grabs being machine parts; baskets being parts of industrial carousel machinery; level winders being parts of industrial carousel machinery; level wind compensators being parts of industrial carousel machinery; aligner chutes being parts of industrial carousel machinery; running trays being parts of industrial carousel machinery; sieves being parts of soil treatment machines; feed boxes being parts of soil treatment machines; hydro cyclones being parts of soil treatment machines; teeth for cutting soil or rock being parts of machines; adapters for teeth and suction mouth, all being parts of machines; turning glands being parts of machines; soil conveyors being machines; seabed leveling equipment being machines for leveling seabeds; cutter heads being parts of machines; hydraulic power generators being machines; dredging machine parts, namely, drag heads for trailing suction hopper dredgers; piling machines, namely pile drivers incorporating pile sleeves, sleeve inserts, pile cap, winches, monitoring equipment, noise reduction equipment and control cabins; sealings for propeller shafts being parts of machines; sealings for propeller shaft sleeves being parts of machines; propeller shaft bearings being parts of machines; sealing joints being parts of machines; housings for pumps for machines; impellers for use in dredge pumps; active heave compensators Naval, dredging, mining and offshore vessels, either with and without its own propulsion namely cutter suction dredgers, bucket wheel dredgers, plain suction dredgers, bucket ladder dredgers, grab dredgers, barge unloading dredgers, trailing suction hopper dredgers, amphibian vessels, backhoe dredgers, deep sea dredging and mining vessels as well as, dredge material delivery vessels; split barges and spray pontoons all being parts of vessels; tow boats; dredging support vessels, namely workboats; vessels used for off-shore activities either with and without their own propulsion, namely drilling ships, offshore supply vessels, well intervention and enhancement vessels, cable lay vessels, jack-up vessels with lifting platforms, crane vessels, support barges, heavy lift vessels; special vessels, namely ferries and inland cruise vessels as well as naval auxiliary vessels; submarines
15.
A SYSTEM AND A METHOD FOR CONTROLLING A MOTION COMPENSATED PILE GUIDE FOR A FLOATING VESSEL, AND A VESSEL
A system for controlling a motion compensated pile guide for a floating vessel comprises a pile guide for guiding a monopile in its longitudinal direction during driving the monopile into a seabed, an actuator for moving the pile guide in horizontal direction with respect to a vessel to which the pile guide is mounted, a control unit for controlling the actuator, which control unit is configured for compensating motion of the vessel to which the pile guide is mounted so as to maintain the horizontal position of the pile guide during driving a monopile into a seabed, a first sensor for determining an inclination angle of a monopile with respect to the vertical during driving the monopile into a seabed, and a second sensor for determining magnitude and direction of an actual force of a monopile onto the pile guide during driving the monopile into a seabed. The control unit is configured to determine a desired force of the pile guide onto the monopile for minimizing the inclination angle when determined by the first sensor, and to control the actuator for moving the pile guide opposite to the direction of the actual force when the desired force is larger than the actual force and in the same direction as the actual force when the actual force is larger than the desired force.
E21B 19/09 - Apparatus for feeding the rods or cablesApparatus for increasing or decreasing the pressure on the drilling toolApparatus for counterbalancing the weight of the rods specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
16.
METHODS AND SYSTEM FOR FORMING STRUCTURES USING CORAL MATERIAL
A method of forming a structure (20) includes a) obtaining coral material; b) mixing the coral material with a binder system to form a mixture; and c) forming a structure (20) from the mixture. The binder system can be a geopolymer binder system. Such a structure (14) can be placed underwater for building or rebuilding underwater environments.
A cutter head arranged to rotate about an axis of rotation for removing material from a water bed comprises a base ring positioned respect to the axis of rotation; a hub positioned with respect to the axis of rotation; a plurality of arms extending between the base ring and the hub, the arms comprising a plurality of cutting tools; and a plurality of skirts, each skirt extending from one of the plurality of arms to the hub to form a closed surface between the arm and the hub from a distal end of the cutter head toward the base ring and ending with a side configured to be parallel to a backplate, leaving an open channel between the skirt and the backplate.
E21B 10/43 - Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
B23K 31/02 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups relating to soldering or welding
E02F 3/88 - DredgersSoil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
18.
A LIFTING DEVICE AND A METHOD OF LIFTING A TUBULAR PILE
A lifting device for lifting a tubular pile comprises a hoisting member including a centreline, a plurality of engagement elements which are moveably mounted to the hoisting member at angular distance with respect to each other about the centreline and actuators for moving the respective engagement elements with respect to the hoisting member. The engagement elements are moveable in longitudinal direction of the centreline along respective guides of the hoisting member. The guides are inclined with respect to the centreline such that the engagement elements move in radial direction of the centreline when being moved in longitudinal direction of the centreline. The actuators are functionally interconnected such that under operating conditions the actuators move the engagements elements simultaneously until a first one of the actuators reaches a counterforce which is higher than a counterforce of a second one of the actuators, after which the second one of the actuators is moved further.
A pile-driver assembly for driving a pile into the ground, preferably offshore, and a method of driving a pile into the ground using the pile-driver assembly is disclosed. The assembly includes a casing defining a chamber, the chamber being configured to house a fluid. The assembly further includes a positioning element configured to position the casing at or on the pile, wherein at least a portion of the positioning element is positioned between the chamber and the pile. The assembly further includes actuating means, wherein actuation of the actuating means displaces the chamber relative to the positioning element, such that the chamber moves away from the pile, and wherein the actuating means is configured to release the chamber for displacement towards the pile such that a force is exerted by the chamber on the positioning member, to controllably drive the pile into the ground.
A pile-driver assembly for driving a pile into the ground is disclosed. The assembly includes a casing defining a chamber configured to house a fluid; a positioning element configured to position the casing at or on the pile; and actuating means. Actuation of the actuating means displaces the chamber relative to the positioning element such that the chamber moves away from the pile to an elevated position. The actuating means is configured to release the chamber from the elevated position for displacement towards the pile such that a force is exerted by the chamber on the positioning member, to controllably drive the pile into the ground. The assembly further includes buffering means, the buffering means being configured to controllably buffer the force exerted by the chamber on the pile as the pile is driven into the ground. The buffering means is configured to rebound the chamber to a rebound position. Further actuation of the actuating means displaces the chamber relative to the positioning element, such that the chamber moves from the rebound position to the elevated position. A control system for controlling the pile-driver assembly and a method of driving a pile into ground using the pile-driver assembly are also disclosed.
A pile-driver assembly for driving a pile into the ground, preferably offshore, and a method of driving a pile into the ground using the pile-driver assembly is disclosed. The assembly includes a casing defining a chamber, the chamber being configured to house a fluid, the chamber comprising a channel extending at least partially therethrough. The assembly further includes a positioning element configured to position the casing at or on the pile, wherein at least a portion of the positioning element is positioned between the chamber and the pile, wherein the positioning element comprises a guide element, configured to extend at least partially through the channel of the chamber. The assembly further includes actuating means, wherein actuation of the actuating means displaces the chamber relative to the positioning element, such that the chamber moves away from the pile, and wherein the actuating means is configured to release the chamber for displacement towards the pile such that a force is exerted by the chamber on the positioning member, to controllably drive the pile into the ground.
A pump housing comprises a circumferential wall forming an outer wall of the pump housing; a pump casing which connects to the circumferential wall on a first outer side to form a first chamber, the pump casing comprising a central opening to form an axial supply of the pump housing for material to be pumped; and pressurizing means to pressurize the first chamber.
The present invention relates to a vessel comprising an excavator for dredging or shifting soil for cleaning watercourses, the excavator comprising; -a weight balanced boom hingeably supported around a boom hinge axis, -a bucket-arm hingeably connected to the boom,and provided with a bucket and/or digging tool at a free end of the bucket-arm, wherein a counterweight is connected to the boom and wherein the counterweight is positioned with respect to the boom such that a centre of gravity of the counterweight is above and about vertically aligned with the boom hinge axis when the bucket and/or digging tool is at a lowest digging position.
A device, such as a gangway, for transferring personnel and/or goods from a surface vessel to a fixed or floating structure, e.g. an offshore structure, such as a wind turbine, or to another vessel, the device comprising first and second telescoping elements and an intermediate platform for bridging the transition between the first and second telescoping elements, which platform is movable relative to both telescoping elements.
A gate valve includes a first plate with a first opening; a second plate with a second opening positioned opposite the first plate such that the first opening is aligned with the second opening; a gate with a gate opening positioned between the first plate and second plate and movable from a close position where the gate blocks flow through the first opening and the second opening and an open position where the gate opening aligns with the first opening and the second opening to allow flow through the valve; and a wear ring lining the gate opening.
F16K 3/30 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing Details
F16K 3/02 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor
F16K 3/20 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
F16K 3/04 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with pivoted closure members
F16L 57/06 - Protection of pipes or objects of similar shape against external or internal damage or wear against wear
A shackle assembly comprises a shackle body, a shackle pin and a pin displacement mechanism for moving the shackle pin along its centreline between a shackle closed position and a shackle open position. The pin displacement mechanism comprises a rotation element which is mounted to the shackle body and rotatable with respect to the shackle body about an axis of rotation which extends perpendicularly to the centreline of the shackle pin and a transmission between the rotation element and the shackle pin for transmitting a rotation of the rotation element to a displacement of the shackle pin along its centreline.
F16G 15/06 - Shackles designed for attachment by joint pins to chain elements, e.g. D-shackles
B66C 1/00 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles
A pile driving system comprises a lifting element attached or attachable to a hoisting cable of a crane, a pile driver which is mounted to the lifting element and movable with respect to the lifting element in a pile driving direction and a brake for braking a movement of the pile driver with respect to the lifting element. The brake comprises cooperating sliding members at the lifting element and the pile driver, which sliding members are pressed against each other in a direction extending transversely to their mutual sliding direction.
A fall pipe system for placing rocks on a seabed from a marine vessel, the fall pipe system comprising: a windable elongate support member, adapted to be lowered down from the vessel towards the seabed; a plurality of pipe segments, wherein at least one pipe segment comprises a suspension system for releasably connecting the pipe segment to the elongate support member; a storage rack, adapted to store the pipe segments; wherein the fall pipe system comprises a transportation system for individually transporting from a first position in which they are stored in the storage rack while they are individually disconnected from the elongate support member, to a second position in which they are connected to the elongate support member via the suspension system.
The invention relates to a pile installation system for providing a pile in the ground, comprising; -an elongate pile installation tool for forming a bore hole and having a distal end, -an end member for coupling to the distal end of the pile installation tool, and -an electromagnetic device for releasable magnetically coupling the end member to the pile installation tool.
E02D 3/054 - Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil involving penetration of the soil, e.g. vibroflotation
E02D 3/08 - Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
E02D 5/34 - Concrete or concrete-like piles cast in position
E02D 5/38 - Concrete or concrete-like piles cast in position making by use of mould-pipes or other moulds
A tower for a pipe laying system comprises a frame with a leg to support the frame, and a winch support integrally formed with the leg. The winch support is able to receive and support a winch and/or winch components. The winch support can be formed in a lower portion of the tower leg.
A lifting tool (1) for lifting an element of an offshore structure, such as a transition piece (2) of an offshore wind turbine comprises a frame (8) and a plurality of engagement members (6) for engaging an element (3) to be lifted. The engagement members (6) are mounted to the frame (8) at an angular distance from each other about a centreline of the frame (8). The lifting tool (1) also comprises a hoisting member (9) to be connected to a hoisting cable of a crane, and located within a virtual cylinder on which the engagement members (6) lie. The hoisting member (9) and the frame (8) are interconnected rigidly through at least three linear actuators (10) which are arranged such that the hoisting member (9) is movable with respect to the frame (8) in a plurality of radial directions with respect to the centreline, independently from the engagement members (6).
B66C 1/10 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means
B66C 1/54 - Internally-expanding grippers for handling hollow articles
A coupling system for temporarily coupling a jacket with a foundation pile includes a first flange for mounting with the jacket, a second flange for contacting the foundation pile, and an inflatable spacing member arranged between the first flange and second flange. The inflatable spacing member contacts both the first flange and second flange for supporting the jacket through the spacing member.
E02B 17/00 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legsConstruction methods therefor
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
E02B 17/04 - Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
33.
A PILE INSTALLING SYSTEM AND A METHOD OF OPERATING THE SYSTEM
A pile installing system comprises a pile including a cylindrical wall surrounding a hollow space, a central cutter which is located at a lower end of the pile for loosening soil below the hollow space upon installing the pile into the ground and which is displaceable within the pile in longitudinal direction thereof so as to remove the central cutter from the pile after installing the pile in the ground, a peripheral cutter located at the lower end of the pile for loosening soil below the cylindrical wall, a soil passage for guiding loosened soil from below the cutters to the hollow space and a soil conveying member for transporting loosened soil upwardly through the hollow space. The soil passage is located at at least one of the central and peripheral cutter at a radial distance from the cylindrical wall.
A coupling system to be temporarily coupled to at least one of a jacket pile and a foundation pile comprises an upper fixation member, a lower fixation member and a lifting device for moving the upper and lower fixation members with respect to each other. The coupling system is provided with at least one of a grout transfer line for guiding grout from a grout supply to a space between a jacket pile and a foundation pile upon installing the jacket pile to the foundation pile, and a cleaning device for cleaning the inner and/or outer side of a foundation pile, and a separating device for separating a jacket pile from a foundation pile upon de-installing the jacket pile with respect to the foundation pile, and a measurement device for determining parameters of a jacket pile and/or a foundation pile.
37 - Construction and mining; installation and repair services
Goods & Services
Excavators; hydraulic excavators; machines for excavating soil; dredging machines; piling and driving machines and equipment, hydraulic hammers; drilling hammers; drilling units; hydraulic rock breakers; drilling machines, and other equipment for dredging, backfilling, hydraulic backfilling and hydraulic extraction of dredged material. Building construction; repair and installation services with respect to excavators, dredging machines, piling, driving and drilling machines and equipment; under water dredging; soil dredging; excavating; advisory services relating to excavating, dredging, piling, driving and drilling; rental of excavating, dredging, piling, driving and drilling machines.
36.
DEVICE FOR TRANSFERRING PERSONNEL AND/OR GOODS FROM A SURFACE VESSEL TO AN OFFSHORE STRUCTURE OR TO ANOTHER VESSEL
The invention relates to a device, such as a gangway (4), for transferring personnel and/or goods from a surface vessel (1) to a fixed or floating structure, e.g. an offshore structure, such as a wind turbine (2), or to another vessel, the device (4) comprising first and second telescoping elements ( 9A, 9B) and an intermediate platform (11) for bridging the transition between the first and second telescoping elements ( 9A, 9B), which platform (11) is movable relative to both telescoping elements ( 9A, 9B).
B63B 27/14 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders
B63B 27/30 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for transfer at sea between ships or between ships and off-shore structures
37 - Construction and mining; installation and repair services
38 - Telecommunications services
Goods & Services
Online trading services in relation to maritime products,
spare parts and maritime maintenance services; providing
online marketplaces for sellers and buyers of maritime goods
and services; providing a searchable online advertising
guide featuring maritime goods and services of online
vendors; provision of commercial business information,
namely, evaluation of goods and services by means of a
computer database; advertising and advertisement services;
customer loyalty services and customer club services for
commercial, promotional and advertising purposes; promoting
the goods and services of others; business management of
fleets. Installation, maintenance, building, machinery retrofit and
conversion, comprehensive preventive maintenance and repair
of dredging, mining and offshore vessels, machines and
equipment, structures and transportable buildings of metal,
offshore platforms, metal pipelines, metal building
materials and equipment for dredging works, mining works,
earthmoving works, offshore drilling works, soil treatment
works and soil movement, particularly for marine and
industrial applications; installation, maintenance,
building, machinery retrofit and conversion of drilling
units, hydraulic rock breakers, remotely operated machines
for underwater mining and dredging, treatment plants for the
dredging, mining and offshore industry and lift systems for
dredging, mining and offshore drilling operations;
installation, maintenance, building, testing, making
seaworthy, renovation, life-cycle support and repair of
machines, machine tools for dredging, excavating and
offshore work, and for treating and moving dredged material,
and deep-sea sampling tools for penetrating the seabed;
installation, maintenance, building, machinery retrofit and
convention, comprehensive preventive maintenance and repair
of nautical apparatus and instruments, surveying equipment,
underwater sensors, depth finders for shipping, electronic
and computerized installations for the manual and automatic
regulation and control of dredging, mining and offshore
vessels and dredging, mining and offshore apparatus and
instruments; consultancy services relating to the aforesaid;
dredging services; mining services; offshore drilling
services; on-site supervision of constructional works;
machinery installation; mining extraction services including
the extraction of oil and gas; repair and maintenance of
dredging, mining and offshore vessels, machines and
apparatus. Providing online interactive bulletin board services for
transmission of messages amongst users, and for the posting,
promotion, sale and resale of items via a global computer
network.
38.
Methods and system for forming reclamation structures
A method of forming a structure includes a) excavating a material; b) homogenizing the material; c) ensuring aluminosilicate levels in the material; d) increasing alkaline levels of the material; e) foaming the material; and f) injecting the material onto a surface, wherein the material forms into a foam-like structure when injected.
E02D 3/12 - Consolidating by placing solidifying or pore-filling substances in the soil
E02F 7/06 - Delivery chutes or screening plants mounted on a dredger
C04B 28/00 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
E02F 5/30 - Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
A gate valve includes a first plate (14) with a first opening; a second plate (16) with a second opening positioned opposite the first plate such that the first opening is aligned with the second opening; a gate (18) with a gate opening positioned between the first plate and second plate and movable from a closed position where the gate blocks flow through the first opening and the second opening and an open position where the gate opening aligns with the first opening and the second opening to allow flow through the valve; and a wear ring (20) lining the gate opening.
F16K 3/02 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor
F16K 3/20 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
F16K 3/314 - Forms or constructions of slidesAttachment of the slide to the spindle
A template for use in installing a plurality of piles relative to one another in an underwater ground formation comprises a template frame and a plurality of pile guides having parallel pile guide centrelines and being fixed to the template frame. Each pile guide is provided with a pile guide frame that surrounds a passageway configured for passing a pile therethrough. Each pile guide frame includes an upper end and a lower end. The template has a template centre located in the middle of the pile guide centrelines. Each pile guide is provided with a spacer being fixed to the pile guide frame and protruding into the passageway. The spacer has a pile contact surface for guiding a pile during driving it into the ground. The pile contact surface encloses an imaginary cylinder including a centreline which coincides with the pile guide centerline. In circumferential direction about the pile guide centerline the location of the pile contact surface shifts with respect to the corresponding pile guide frame in a direction from the lower end to the upper end thereof as seen in a direction from the template centre to the pile guide centreline.
An overflow system for a hopper dredger includes an overflow tube; and a plurality of canals adjacent and substantially parallel to the overflow tube. The plurality of canals have inlets at different heights for taking in head water from the hopper. The plurality of canals fluidly connect to the overflow tube at a point downstream from the inlets.
The invention relates to a cable turntable assembly (1) for use in storing and laying long lengths of pipe or cable, comprising: - a rotatable turntable (2), - a turntable support surface (3) supporting the turntable for rotational movement, and - a fluid bearing system (26) between the rotatable turntable and teh turntable support surface, the fluid bearing system comprising a pressurized fluid chamber (4) and a sealing system (5) comprising a sealing element (6) extending at a circumference (7) of the turntable to seal an annular gap (8) at the outer circumference of the turntable.
H02G 1/10 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle in or under water
A cutter head (30) arranged to rotate about an axis of rotation for removing material from a water bed comprises a base ring (32) positioned respect to the axis of rotation; a hub (34) positioned with respect to the axis of rotation; a plurality of arms (38) extending between the base ring and the hub, the arms comprising a plurality of cutting tools (40); and a plurality of skirts (42), each skirt extending from one of the plurality of arms to the hub to form a closed surface between the arm and the hub from a distal end of the cutter head toward the base ring and ending with a side configured to be parallel to a backplate (36), leaving an open channel (48) between the skirt and the backplate.
A tooth system for a cutter head includes a tooth member comprising a cutting portion and a mounting portion with at least one curved surface, a holder comprising a receiving portion with a curved surface complementary to the at least one curved surface of the tooth member, the receiving portion for receiving the mounting portion of the tooth member. The mounting portion of the tooth member detachably engages the holder such that when engaged, the at least one curved surface of the tooth member and the receiving portion curved surface contact each other at a contact area.
A tooth with a retaining system for retaining the tooth in a receiving portion of an adapter in a cutting system comprises a first holding system to releasably retain the tooth to the adapter; and a second holding system to tension and secure the tooth with respect to the adapter.
A tooth for a cutter head includes a tooth body portion for connecting to an adapter; and a pick point portion comprising an end portion with a substantially planar surface, sides extending in an outward direction from the end portion to the tooth body, and a front and/or back with curvature which expands in thickness from the end portion to the tooth body portion. The tooth body portion and the pick point portion have a rounded cross-section comprising a central beam with a bottom base extending perpendicular from the beam at a lower end of the beam and a top shoulder on an upper end of the beam.
37 - Construction and mining; installation and repair services
Goods & Services
Providing online interactive bulletin board services for transmission of messages amongst users, and for the posting, promotion, sale and resale of items via a global computer network Online trading services being auctioning services in relation to maritime products, spare parts, *, namely, dredging and mining machines, dredging, mining and offshore vessels, ships, workboats, cutters, piling machines, drilling machines, hydraulic hammers, submarine ploughs, pipe lifting machines, pumps, valves, hydraulic machines and pumps, dredge valves; the bringing together, for the benefit of others, of a variety of services enabling consumers to conveniently compare and purchase those services, namely, maintenance services of maritime products and spare parts, namely, dredging and mining machines, dredging, mining and offshore vessels, ships, workboats, cutters, piling machines, drilling machines, hydraulic hammers, submarine ploughs, pipe lifting machines, pumps, valves, hydraulic machines and pumps, dredge valves, * and maritime maintenance services; providing online marketplaces for sellers and buyers of maritime goods and services; providing a searchable online advertising guide featuring maritime goods and services of online vendors; provision of commercial business information, namely, commercial evaluation and rating of consumer goods and services accessible by means of a computer database; advertising and advertisement services; business administration of customer loyalty services and customer club services for commercial, promotional and advertising purposes; promoting the goods and services of others; business management of fleets; * online community management services * Installation, maintenance, building being installation, machinery retrofit and conversion, comprehensive preventive maintenance and repair of machines and equipment, transportable buildings of metal, metal building materials and equipment for dredging works, mining works, earthmoving works, offshore drilling works, soil treatment works and soil movement, particularly for marine and industrial applications; Installation, maintenance, building, machinery retrofit and conversion, comprehensive preventive maintenance and repair of dredging, mining and offshore vessels, structures of metal, offshore platforms, metal pipelines, particularly for marine and industrial applications; installation, maintenance, building being installation, machinery retrofit and conversion of drilling units, hydraulic rock breakers, remotely operated machines for underwater mining and dredging, treatment plants for the dredging, mining and offshore industry and lift systems for dredging, mining and offshore drilling operations; installation, maintenance, building being installation, renovation, life-cycle support being preventative maintenance and repair of machines, machine tools for dredging, excavating and offshore work, and for treating and moving dredged material, and deep-sea sampling tools for penetrating the seabed; installation, maintenance, building being installation, machinery retrofit and convention, comprehensive preventive maintenance and repair of nautical apparatus and instruments, surveying equipment, underwater sensors, depth finders for shipping, electronic and computerized installations for the manual and automatic regulation and control of dredging, mining and offshore vessels and dredging, mining and offshore apparatus and instruments; consultancy services relating to the aforesaid; dredging services; mining extraction services; offshore drilling services being the drilling of wells; on-site supervision of constructional works; machinery installation; mining extraction services including the extraction of oil and gas; repair and maintenance of dredging, mining and offshore vessels, machines and apparatus
A tower (40) for a pipe laying system comprises a frame with a leg (42) to support the frame, and a winch support (50) integrally formed with the leg (42). The winch support (50) is able to receive and support a winch and/or winch components. The winch support can be formed in a lower portion of the tower leg.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
Goods & Services
Metal pipes; pipes, tubes and hoses, and fittings therefor,
including valves, of metal; water-pipe valves of metal;
drain traps [valves] of metal; metal valves for regulating
fluids, solids and slurry in pipelines. Machines, machine tools and machine parts, namely machines
for dredging, installations for dredging and parts thereof;
machines, machine tools and machine parts for dredging,
mining, wet excavation and wet ore and gold mining; valves,
pumps, machines, machine tools and other machine parts for
reducing turbidity of water during dredging; coupling
machines, machine tools and machine parts for regulating and
extracting of solids from water during dredging; valves as
part of pumps for regulating solids, fluids and air; valve
as parts of pumps for preventing turbidity during dredging;
couplings for machines; the aforementioned goods also being
telescopic; the aforementioned goods also used for
discharging excess water, solids and/or slurry during
dredging.
The invention relates to a system (1) for use with a crane (4) on a surface vessel (3), comprising a crane tool (15) attached or attachable to a hoisting cable (5) of the crane (4) and one or more adaptors (16) attached or attachable to one or more tools (11-14, 25) for carrying out operations or to one or more components (2, 10), the crane tool (15) comprising a connector (17) and at least one of the adaptors (16) comprising a connector-counterpart (18).
B63B 27/10 - Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
B66C 1/10 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means
B66C 1/66 - Load-engaging elements or devices attached to lifting, lowering, or hauling gear of cranes, or adapted for connection therewith for transmitting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
B63B 27/30 - Arrangement of ship-based loading or unloading equipment for cargo or passengers for transfer at sea between ships or between ships and off-shore structures
51.
Lifting device for picking up a member from the bottom of the sea
a housing configured to be at least partially introduced into a cavity of the member to be picked up and accommodating at least a part of the body and wherein the body and the housing are moveable with respect to each other along the central axis of the lifting device.
E21B 19/06 - Elevators, i.e. rod- or tube-gripping devices
E21B 31/20 - Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
E21B 41/00 - Equipment or details not covered by groups
F16F 9/02 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only
An impeller for a centrifugal pump comprises a rotor; a shaft shield connected to the rotor and having an axial supply; a suction shield connected to the rotor and axially set apart from the shaft shield; and a plurality of blades between the shaft shield and suction shield and connected to the rotor. Each blade comprises a leading edge and a trailing edge connecting between the shaft shield and the suction shield and a suction side and a pressure side, wherein each blade cross-section is thicker near the leading edge on the suction and pressure sides, and tapers to a thinner cross-section near the trailing edge. Each blade connects to the suction shield at the leading edge with an extensive fillet providing curvature toward the suction shield along the leading edge.
F04D 7/04 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogeneous
F04D 29/22 - Rotors specially for centrifugal pumps
wherein the outboard support system is arranged with respect to the pile support frame such that the frame member extends transverse with respect to the support frame axis of rotation for arranging the hoisting member at a distance from the seat and aligned with the seat such that a pile may engage the hoisting member upon longitudinal movement of the pile along the seat.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
Goods & Services
[ Metal pipes; metal pipes, tubes and hoses for dredging use and structural fittings therefor, namely, valves, of metal; water-pipe valves of metal; drain traps, namely, ] water-pipe valves of metal [ ; metal valves for regulating fluids, solids and slurry in pipelines, not being parts of machines ] [ Machines, machine tools and machine parts, namely, machines for dredging, installations in the nature of machines for dredging and structural parts thereof; dredging machines, machine tools for crushing rock and structural machine parts for the aforementioned goods for dredging, mining, wet excavation and wet ore and gold mining; valves for pumps, hydraulic pumps, dredging machines, machine tools for crushing rocks and other structural machine parts for the aforementioned goods for reducing turbidity of water during dredging; couplings for machines, machine tools and structural machine parts for the aforementioned goods for regulating and extracting of solids from water during dredging; valves as part of pumps for regulating solids, fluids and air; valve as parts of pumps for preventing turbidity during dredging; couplings for machines; the aforementioned goods also being telescopic; the aforementioned goods also used for discharging excess water, solids and/or slurry during dredging ]
55.
DEVICE FOR TRANSPORTING, IN PARTICULAR SKIDDING OR JACKING, A HEAVY OBJECT
The invention relates to a device (10) for transporting, in particular skidding or jacking, a heavy object (4) supported on at least one guide (2), comprising an actuator (7) for effecting transport, in particular at least one hydraulic cylinder, one end of which is configured for connection to the object (4) or a foundation and the other end is connected to a shoe (8) configured for connection to the guide (2). The shoe (8) comprises at least two pins (11) configured to be inserted into openings (9) in the guide (2) to provide, at least in the direction of the guide (2) a positive connection between the shoe (8) and the guide ( 2 ).
wherein the driving device comprises a linkage system coupled with the hoisting member and the flange engagement member such that the flange engagement member is forced towards its flange supporting position upon application of the hoisting force to the lifting tool.
A spud system for a dredging vessel with a longitudinal direction includes a spud carrier for mounting a spud therein in a generally vertical stance and a spud carrier cable driving device coupled with the dredging vessel and the spud carrier for driving the spud carrier with respect to the dredging vessel. The spud carrier is moveable with respect to a longitudinal direction of the dredging vessel for advancing the dredging vessel. The spud carrier cable driving device comprises at least an aft cable drive system which extends at an aft side of the spud carrier, and a fore cable drive system separate from the aft cable drive system. The fore cable drive system extends at a fore side of the spud carrier, and each of the aft cable drive system and the fore cable drive system is coupled with the dredging vessel and the spud carrier
A seaweed seeding device for wrapping seaweed rope around a main rope comprises a frame; a friction wheel rotatably connected to the frame to receive the main rope around the wheel and rotate as the main rope is pulled through the device; a bobbin carrier rotatably connected to the frame around an axis of rotation; a seaweed exit guide connected to the bobbin carrier offset from the axis of rotation; and a transmission connecting the friction wheel to the bobbin carrier to translate rotational movement of the friction wheel to rotate the bobbin carrier.
12 - Land, air and water vehicles; parts of land vehicles
35 - Advertising and business services
37 - Construction and mining; installation and repair services
38 - Telecommunications services
Goods & Services
Dredging and mining machines; equipment for dredging works, mining works, offshore works, (wet) soil treatment works and (wet) soil movement; cutters; pile driving; and drilling machines; hydraulic hammers; drilling units; hydraulic rock breakers; pile sleeves; so-called booster pump stations, being machines; remotely operated machines for underwater mining and dredging; machines for vertical transport, being parts of dredging, offshore and mining machines; lift systems for dredging, mining and offshore operations, namely machines for the launching and lifting of risers and remotely operated machines; dredging wheels; drag heads (machine parts); winches; swell compensators (machine parts); gearboxes, other than for land vehicles; suction pipes; bow couplings; and barge load pipes (machine parts); gantries; spud carriers (machine parts); spud tilting and lifting machines; centrifugal pumps (machines); submarine ploughs; trenchers (machines); pile clamps for pile handling equipment (machine parts); pipe carousels; and pipe lifting frames (machine parts); jigs; hydraulic cylinders; pumps; valves; hydraulic pumps; and hydraulic valves; hydraulic manifolds being parts of machines or being pipings as part of hydraulic machines; bearings (machine parts); sealing parts of machines; dredge valves; loading boxes; dredging buckets; overflow pipes; bottom doors; grabs; baskets for carousel equipment; level winders for carousel equipment; level wind compensators for carousel equipment; aligner chutes for carousel equipment; running trays for carousel equipment; sieves for soil treatment plants; feed boxes for soil treatment plants; hydro cyclones for soil treatment plants; teeth for cutting soil or rock; adapters for teeth and suction mouths, all being parts of machines; haulage apparatus [mining]; turning glands (parts of machines); bending machines; soil conveyors [machines]; seabed leveling equipment being machines for leveling seabeds; cutter heads (parts of machines); hydraulic power packs being machines; tools (machine or parts of machines) for dredging, excavating and offshore work, and for treating and/or moving dredged material; cutting heads and parts therefore; dredge pumps; drag heads for trailing suction hopper dredgers; piling equipment, including pile sleeves, sleeve inserts, anvils, pile cap, winches, monitoring equipment, noise reduction packages and control cabins; sealing joints (parts of engines); sealing joints (parts of machines); sealings for propeller shafts (parts of machines); sealings for propeller shaft sleeves (parts of machines); propeller shaft bearings (parts of machines); deep-sea sampling tools for penetrating the seabed, obtaining samples of the sea-floor and testing same; pump housings; impellers for use in dredge pumps; heave compensators. Dredging, mining and offshore vessels, either with and without its own propulsion namely cutter suction dredgers, bucket wheel dredgers, plain suction dredgers, bucket ladder dredgers, grab dredgers, barge unloading dredgers, trailing suction hopper dredgers, amphibian vessels, backhoe dredgers, deep sea dredging and mining vessels as well as, dredge material delivery vessels; split barges and spray pontoons all being parts of vessels; tow boats; dredging support vessels, namely workboats; vessels used for off-shore activities either with and without their own propulsion, namely drilling ships, offshore supply vessels, well intervention/enhancement vessels, dive support vessels, deep sea dredging and mining support vessels, offshore wind mill placement and maintenance vessels, pipe laying vessels, jack-up platform vessels, offshore construction vessels und wind mill installation vessels; offshore support vessels, namely workboats, offshore supply vessels, research vessels, cable lay vessels, jack-up vessels namely so-called lifting platforms, crane vessels, support barges, heavy lift vessels; special vessels, namely ferries and (inland) cruise vessels as well as naval (auxiliary) vessels. Online trading services in relation to maritime products and spare parts, namely dredging and mining machines, dredging, mining and offshore vessels, ships, workboats, cutters, piling machines, drilling machines, hydraulic hammers, submarine ploughs, pipe lifting machines, pumps, valves, hydraulic machines and pumps, dredge valves; the bringing together, for the benefit of others, of a variety of services enabling consumers to conveniently compare and purchase those services, namely maintenance services of maritime products and spare parts, namely dredging and mining machines, dredging, mining and offshore vessels, ships, workboats, cutters, piling machines, drilling machines, hydraulic hammers, submarine ploughs, pipe lifting machines, pumps, valves, hydraulic machines and pumps, dredge valves; providing online marketplaces for sellers and buyers of maritime goods and services; providing a searchable online advertising guide featuring maritime goods and services of online vendors; providing a searchable online evaluation database for buyers and sellers; advertising and advertisement services; customer loyalty services and customer club services for commercial, promotional and advertising purposes; promoting the goods and services of others; business management of fleets; online community management services. Installation, maintenance, making seaworthy, renovation and repair of dredging, mining and offshore vessels, machines and equipment, structures and transportable buildings of metal, offshore platforms, metal pipelines, metal building materials and equipment for dredging works, mining works, earthmoving works, offshore works, soil treatment works and soil movement, particularly for marine and industrial applications; installation, maintenance, making seaworthy, renovation, drilling units, hydraulic rock breakers, remotely operated machines for underwater mining and dredging, treatment plants for the dredging, mining and offshore industry and lift systems for dredging, mining and offshore operations; installation, maintenance, making seaworthy, renovation and repair of machines, machine tools for dredging, excavating and offshore work, and for treating and moving dredged material, and deep-sea sampling tools for penetrating the seabed; installation, maintenance, making seaworthy, renovation and repair of nautical apparatus and instruments, surveying equipment, underwater sensors, depth finders for shipping, electronic and computerized installations for the manual and automatic regulation and control of dredging, mining and offshore vessels and dredging, mining and offshore apparatus and instruments; consultancy services relating to the aforesaid; dredging services; mining services; offshore services; supervision of constructional works; machinery installation; mining extraction services including the extraction of oil and gas; repair and maintenance of dredging, mining and offshore vessels, machines and apparatus. Providing online interactive bulletin board services for transmission of messages amongst users, and for the posting, promotion, sale and resale of items via a global computer network.
A spud system for a dredging vessel with a longitudinal direction includes a spud carrier for mounting a spud therein in a vertical stance and which spud carrier is moveable with respect to the dredging vessel in a longitudinal direction for advancing the dredging vessel, a spud carrier drive system coupled with the dredging vessel and the spud carrier for driving the spud carrier with respect to the dredging vessel. The spud carrier drive system includes a hydraulic drive cylinder for controlling the position of the spud carrier. The spud system further comprises a hydraulic system comprising a parallel hydraulic cylinder in fluid parallel connection with the hydraulic drive cylinder and presstressing means coupled with a rod of the parallel hydraulic cylinder such that said rod is forced towards a central position.
The invention relates to a cutting element (3) for cutting material in underwater operations, the cutting element (3) comprising at least first (1) and second (2) cutting sections wherein the first cutting section (1) comprises a first metal alloy and the second cutting section (2) comprises a second metal alloy different to the first metal alloy, wherein the first and second cutting sections (1, 2) are deposited by additive manufacturing and wherein the first and second cutting sections (1, 2) are interconnected by meltbond.
wherein the support structure and the coupling section of the pile frame are configured such that the pile frame is detachably coupled to the support structure.
The present invention therefore seeks to provide a seaweed harvesting system (1) for collecting seaweed comprising: • - an intake section (3) for taking a seaweed substrate (13) for growing seedlings and/or seaweed at the waterline, • - a transport device (2) for transporting the substrate (13) in a transport direction from the intake section (3) through the harvesting system (1), • - a cutting device (7) for cutting the seaweed from the substrate (13), wherein the cutting device (7) comprises a pre-tensioning system (16) to control a cutting force applied to the substrate (13).
A method and apparatus for coupling a jacket with a foundation pile, comprising mounting a first flange with the jacket, contacting a second flange with the foundation pile such that the second flange is supported by the foundation pile, mutually positioning the first flange and the second flange such that the jacket may be supported by the pile through the first flange and the second flange, arranging an inflatable spacing member between the first flange and second flange such that the spacing member contacts both the first flange and second flange for supporting the jacket through the spacing member and inflating the spacing member for increasing a spacing between the first flange and second flange.
E02B 17/00 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legsConstruction methods therefor
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
E02B 17/04 - Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
An overflow system for a hopper dredger comprises an overflow tube; an inlet for taking in head water from the hopper; and a collector to collect the flow of head water entering the inlet and guide the flow to the overflow tube. The collector comprises a substantially horizontal top portion which delineates a top of a flowpath for head water into the collector to ensure substantially radial flow into the collector. At least one of the overflow tube and the inlet is adjustable for controlling flow into the overflow system.
The invention relates to a frame (5) for guiding and supporting a foundation element, such as a pile, during installation in an underwater ground formation, the frame (5) comprising a plurality of guide mechanisms (10) that are movable between an extended position to engage a pile located inside the frame (5) and a retracted position. At least one of the guide mechanisms (10) comprises a slider (11), a path (12) supporting the slider (11), a rotatable link, and an actuator (14) to move the slider (11) along the path (12) and the link (13) between said extended and retracted positions.
wherein the central drive shaft is coupled with the single gear of the propulsion shaft through one of the trailing transmission shaft and the sailing transmission shaft.
F16H 1/20 - Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
B63H 23/06 - Transmitting power from propulsion power plant to propulsive elements with mechanical gearing for transmitting drive from a single propulsion power unit
E02F 3/88 - DredgersSoil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
E02F 5/00 - Dredgers or soil-shifting machines for special purposes
An overflow system (20) for a hopper dredger (10) includes an overflow tube (22); and a plurality of canals (26a-26e) adjacent and substantially parallel to the overflow tube (22). The plurality of canals (26a-26e) have inlets (28a-28e) at different heights for taking in head water from the hopper (18). The plurality of canals (26a-26e) fluidly connect to the overflow tube (22) at a point downstream from the inlets (28a-28e).
The invention relates to a tooth system for a cutter head, the tooth system comprising; a tooth member comprising a cutting portion and a mounting portion with at least one curved surface, a holder comprising a receiving portion with a curved surface complementary to the at least one curved surface of the tooth member, the receiving portion for receiving the mounting portion of the tooth member, wherein the mounting portion of the tooth member detachably engages the holder such that when engaged, the at least one curved surface of the tooth member and the receiving portion curved surface contact each other at a contact area.
E02F 9/28 - Small metalwork for digging elements, e.g. teeth
B28D 1/18 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhereMachines, devices, tools therefor by milling, e.g. channelling by means of milling tools
A tooth with a retaining system for retaining the tooth in a receiving portion of an adapter in a cutting system comprises a first holding system to releasably retain the tooth to the adapter; and a second holding system to tension and secure the tooth with respect to the adapter.
According to the invention, a tooth (10) for a cutter head includes a tooth body portion (12) for connecting to an adapter (30); and a pick point portion (14) comprising an end portion with a substantially planar surface (20), sides (19) extending in an outward direction from the end portion (20) to the tooth body portion (12), and a front (16) and/or back (18) with curvature, which expands in thickness from the end portion (20) to the tooth body portion (12). The tooth body portion (12) and the pick point portion (14) have a rounded cross-section comprising a central beam (22) with a bottom base (24) extending perpendicular from the central beam (22) at a lower end of the central beam (22) and a top shoulder (26) on an upper end of the central beam (22).
A method of forming a structure includes a) excavating a material; b) homogenizing the material;c) ensuring aluminosilicate levels in the material; d) increasing alkaline levels of the material; e) foaming the material; and f) injecting the material onto a surface, wherein the material forms into a foam-likestructure when injected.
A system to monitor and analyze a multi-strand rope includes a rope data sensor to collect data regarding the physical state of the rope; one or more usage sensors to collect data regarding the usage of the rope; a position measurement device to measure the position of the rope; and a computer system connected to the rope data sensor, the one or more usage sensors and the position measurement device to correlate the collected data and position measurement to give real-time data on the status of the rope at one or more sections.
A rotary chain tensioner (10) includes a base frame (14); a wheel (16) rotatingly connected to the base frame at a wheel axis (44) and able to receive a chain (12); a pivoting arm (18) with a first arm end (20) pivotally connected to the base frame at an arm pivot axis (46); a hook (24) rotatably mounted to a second arm end (22) of the pivoting arm for securing to the chain; a first cylinder (26) with a first end (28) pivotally mounted to the base frame and a second end (30) pivotally mounted to the pivoting arm for moving the pivoting arm; and a chain stopper (38). The wheel axis is offset from the arm pivot axis.
A lifting device (1) for picking up a member (7) from the bottom of the sea, the lifting device comprising; • - a body (2) extending along a central axis (20) of the lifting device and having means for connection to a hoist cable, • - a housing (3) configured to be at least partially introduced into a cavity (21) of the member to be picked up and accommodating at least a part of the body and wherein the body and the housing are moveable with respect to each other along the central axis of the lifting device.
A method of forming a cutter head with an axis of rotation comprises forming a hub; forming at least one ring with integral cutter body arm segments extending from the at least one ring; and connecting the hub to the cutter body arm segments so that the hub and the at least one ring are connected and around the axis of rotation.
A system (20) for laying flexible product (10) from a storage area (22) below a deck (13) of a vessel includes an inline quadrant (28) above the deck (13) for guiding cable (10) to a portside or starboard side of the vessel. The cable can enter the inline quadrant (28) from either a portside and a starboard side. The system further includes a highway (27) with a highway portside guide (29) and a highway starboard side guide (31) for guiding the flexible product (10) from a below deck position to an above deck position on either the portside or the starboard side; and a movable spooling system to guide flexible product (10) between the storage area (22) and to either the portside guide or the starboard side guide of the highway (27). The highway (27) extends to the portside entrance and the starboard side entrance of the inline quadrant.
A lifting tool (1) for lifting or upending a flanged object (2), the lifting tool extending along a central longitudinal tool axis (3) and comprising: a hoisting member (4) for coupling the lifting tool to a hoisting line and applying a hoisting force to the lifting tool, a main frame (5) for guiding a moveable flange engagement member, said flange engagement member (6) moveably coupled with the main frame for supporting the flanged object, and moveably with respect to the main frame, a driving device (7) coupled with the flange engagement member and the main frame for driving the flange engagement member radially with respect to the central longitudinal tool axis between a flange releasing position for introducing the lifting tool at least partly in said flanged object and past the flange thereof and a flange supporting position wherein the flange engagement member supports the object,
A device for launching subsurface mining vehicle into a water mass from a docking well of a floating vessel, and/or recovering said vehicle from the water mass is disclosed. The device comprises a docking frame that is hinge mounted to the vessel, and that comprises first mining vehicle engaging means for guiding the mining vehicle along a longitudinal direction of the frame into the water. The docking frame operatively engages with drive means for tilting the frame in a vertical plane between a substantially horizontal mining vehicle docking position and a substantially vertical mining vehicle launching or recovery position. The device further comprises third engaging means for guiding the mining vehicle when the vehicle extends at least partly underneath a base of the vessel. The device allows lowering or recovering subsurface mining vehicle in a controlled manner.
A pile driving assembly for installing a pile in an underwater bottom comprises a tubular pile and a hammer for driving the pile into an underwater bottom. The assembly is provided with a soil remover for removing soil inside the pile. The soil remover is located below the hammer and remote from a lower end of the pile in assembled operating condition.
A spud system for a dredging vessel with a longitudinal direction includes a spud carrier for mounting a spud therein in a generally vertical stance and a spud carrier cable driving device coupled with the dredging vessel and the spud carrier for driving the spud carrier with respect to the dredging vessel. The spud carrier is moveable with respect to a longitudinal direction of the dredging vessel for advancing the dredging vessel. The spud carrier cable driving device comprises at least an aft cable drive system which extends at an aft side of the spud carrier, and a fore cable drive system separate from the aft cable drive system. The fore cable drive system extends at a fore side of the spud carrier, and each of the aft cable drive system and the fore cable drive system is coupled with the dredging vessel and the spud carrier
A spud system (1) for a dredging vessel with a longitudinal direction includes a spud carrier (3) for mounting a spud (4) therein in a vertical stance and which spud carrier is moveable with respect to the dredging vessel in a longitudinal direction for advancing the dredging vessel, a spud carrier drive system (2) coupled with the dredging vessel and the spud carrier (3) for driving the spud carrier (3) with respect to the dredging vessel. The spud carrier drive system (2) includes a hydraulic drive cylinder (2) for controlling the position of the spud carrier (3). The spud system (1) further comprises a hydraulic system comprising a parallel hydraulic cylinder (7) in fluid parallel connection with the hydraulic drive cylinder (2) and presstressing means (8) coupled with a rod (11) of the parallel hydraulic cylinder (7) such that said rod (11) is forced towards a central position.
An overflow system (20) for a hopper dredger (10) includes an inlet portion (22) with an inlet for taking in head water from the hopper (16); an overflow tube (24) extending from the inlet portion (22); and a collector (28) to collect a flow of concentrated solids in the overflow tube (24). The inlet portion (22) and the inlet are shaped and positioned to encourage spiral flow (F).
A compensator device includes a hydraulic cylinder (30) with a first end (33), a second end (34) and an inner cylinder rod (35) extending axially from the second end; and a piston rod (36) with a piston (38) movable axially within the cylinder. The inner cylinder rod has an end with a blocking diameter (Ab). The piston rod is generally hollow and includes a cavity (37) to receive the blocking diameter of the inner cylinder rod.
E21B 19/00 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrickApparatus for feeding the rods or cables
E21B 19/09 - Apparatus for feeding the rods or cablesApparatus for increasing or decreasing the pressure on the drilling toolApparatus for counterbalancing the weight of the rods specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
The invention relates to a method of and a noise mitigation system (1) for installing a foundation element, in particular a (mono)pile (2), comprising a screen (6) to be placed about a foundation element, in particular a (mono)pile (2), during driving of the foundation element (2) in an underwater ground formation (3), to reduce noise input resulting from the driving into the surrounding water, e.g. a river or sea. The method and system (1) comprise a further screen (7, 9) to be deployed about the (first) screen (6).
The invention relates to an upending system for an elongated tubular element like an offshore foundation pile or a turbine mast, the system comprising; a pile frame for supporting a elongated tubular element, the pile frame comprising a pile support member for engaging a pile wall in order to avoid movement of the elongated tubular element with respect to the pile frame, and a coupling section, a support structure for supporting the pile frame, wherein the coupling section is rotatably supported by the support structure to allow rotation of the pile frame with respect to the support structure, wherein the support structure and the coupling section of the pile frame are configured such that the pile frame is detachably coupled to the support structure.
a container for containing ore which container is fixedly coupled to a container transporting cable such that the container moves vertically with the container transporting cable to transport the container in a container trajectory extending between the upper and lower platform.
E21C 50/00 - Obtaining minerals from underwater, not otherwise provided for
E02F 3/08 - DredgersSoil-shifting machines mechanically-driven with digging elements on an endless chain
E02F 7/00 - Equipment for conveying or separating excavated material
E21B 19/08 - Apparatus for feeding the rods or cablesApparatus for increasing or decreasing the pressure on the drilling toolApparatus for counterbalancing the weight of the rods
B63B 27/00 - Arrangement of ship-based loading or unloading equipment for cargo or passengers
89.
Device and method for crushing rock by means of pulsed electric energy
The invention relates to a method for processing submerged material at the bottom of a body of water, like the bottom of the sea, by application of electric energy, comprising providing electrodes in a process zone proximate the material for providing an electric current through the material for crushing the material, and displacing of fluid of the body of water away from the process zone to outside the process zone before application of the electric energy.
A method for deep sea mining includes generating an upward flow of valuable matter in a riser line from the bottom of a body of water to a matter processing platform; processing the matter at the processing platform; generating a return flow in a return pipe of a mixture of seawater and a non-valuable part of the matter from the processing platform towards the bottom of the body of water; and controlling the pressure in the return pipe for avoiding collapse of the return pipe and/or cavitation of the return pipe, in particular for avoiding collapse of or cavitation in an upper part of the return pipe.
The invention relates to a method for coupling a jacket with a foundation pile, comprising; - mounting a first flange with the jacket, - contacting a second flange with the foundation pile such that the second flange is supported by the foundation pile, - mutually positioning the first flange and the second flange such that the jacket may be supported by the pile through the first flange and the second flange, - arranging an inflatable spacing member between the first flange and second flange such that the spacing member contacts both the first flange and second flange for supporting the jacket through the spacing member.
E02B 17/00 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legsConstruction methods therefor
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
E02B 17/04 - Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
Cutting wheel system (1) for a dredging device, comprising a cutting wheel (2) and a cutting wheel drive system (8), whereby the cutting wheel comprises at least two cutting element rings (3), which rings are positioned at a distance from each other in parallel planes whereby the cutting element rings have coaxial rotation axes (12,13), whereby a suction tube (7) can be positioned between the two cutting element rings (3), whereby the cutting wheel drive system is arranged to rotate the cutting wheel about the coaxial rotation axes, wherein the cutting wheel system further comprises connecting arms (9) for mounting the cutting wheel in a rotatable manner to the dredging device, wherein the connecting arms are moveable with respect to each other between a closed position wherein the connecting arms engage the cutting wheel from opposite sides of the cutting wheel, and an open position wherein the cutting wheel is released from the connecting arms.
A hold offloading system comprises a holding space (10) for containing a material; and a localized fluidization-suction-pump-drive system (12) for locally fluidizing the material and transporting the fluidized material out of the holding space. The fluidization-suction-pump-drive system (12) includes a fluidization portion (14) and a suction head (16) in proximity to the fluidization portion for suctioning the locally fluidized material.
According to an aspect of the invention, a hopper dredger comprises a hopper for receiving a mixture of dredged material; a suction tube extendable from the hopper dredger for suctioning dredge mixture; a dredge pump connected to the suction tube for moving the dredged mixture through the suction tube into the hopper; and a flocculant injector system for injecting flocculants into the dredged mixture.
A hold offloading system includes a holding space for containing a soil and liquid; an outlet with a valve for offloading the soil and liquid from the holding space; and an obstacle positioned near the outlet, wherein the obstacle is positioned and shaped to create a plurality of flow paths leading to the outlet. An increased number of flow paths results in an increased number of breaching surfaces.
An offshore crane tower system for use on a vessel with a moonpool includes a tower structure whichextends in a vertical direction and is for placement on the vessel adjacent to and/or above the moonpool; a crane with a hoist system able to lift and lower a load; and a crane support at an upper portion of the tower structure. The crane can selectivelyconnect to the crane support so that the hoist system of the crane can be used to lift and lower a load through the moonpool.
A blade for an impeller comprises a blade with a front portion with a leading edge and a trailing portion with a trailing edge joined by spaced apart pressure and suction sides to form an exterior blade surface. The blade pressure side is formed from an outer envelope of a first blade profile aligned in a first position; and at least a part of the front portion of the blade suction side is formed by rotating the first blade profile around the leading edge to match an angle of the incoming flow at a lower flowrate condition of the impeller.
An overflow system for a hopper dredger comprises an overflow tube; an inlet for taking in head water from the hopper; and a collector to collect the flow of head water entering the inlet and guide the flow to the overflow tube. The collector comprises a substantially horizontal top portion which delineates a top of a flowpath for head water into the collector to ensure substantially radial flow into the collector. At least one of the overflow tube and the inlet is adjustable for controlling flow into the overflow system.
A measurement device for performing measurements on a mixture of water and collected material includes a pipe section through which the mixture can be guided. The pipe section includes a window. The measurement device further includes an image capturing device arranged to capture an image of the collected material through the window. The image can be used to determine a grain size distribution of the collected material, which can be used to optimize the collecting process.
The invention relates to a method of installing foundation elements, in particular (mono)piles (2) having a diameter of five meters or more, in an underwater ground formation (3) comprising the steps of lowering a leader (8) from a surface vessel (4) with at least the tip of the leader (8) into the water, and lowering a foundation element (2) and/or a noise mitigation screen (5) along the leader (8).
