Patents Assigned to ITREC B.V.
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Patent number: 12378099Abstract: A dual hoist crane is provided with a heave compensation system that can be used for both the main and for the auxiliary hoisting assembly. The heave compensation system includes a first set of sheaves for guiding the main hoisting cable and a second set of sheaves for guiding the auxiliary hoisting cable. The heave compensation system is configured to individually lock the first set of sheaves and the second set of sheaves to a heave compensation cylinder, for respectively providing the main hoisting assembly and the auxiliary hoisting assembly with heave compensation.Type: GrantFiled: May 7, 2024Date of Patent: August 5, 2025Assignee: ITREC B.V.Inventors: Cornelis Martinus Van Veluw, Wing Sum Lee, Ken Van Oijen
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Patent number: 12372189Abstract: A riser section includes two filament-reinforced tubulars and a coupling sleeve for connecting the two filament-reinforced tubulars. The coupling sleeve includes a screw thread at opposite ends for cooperating with a screw thread provided on sections of the filament-reinforced tubulars. The riser section includes two torque locks, wherein the torque locks are each mounted on one of the filament-reinforced tubulars, and are on opposite ends of the coupling sleeve. The torque locks are provided with coupling teeth extending in an axial direction. The coupling sleeve is at opposite ends provided with coupling teeth extending in the axial direction.Type: GrantFiled: April 2, 2024Date of Patent: July 29, 2025Assignee: ITREC B.V.Inventors: Nicolaas Thijs Pieter Max, Pieter Dirk Melis Van Duivendijk
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Publication number: 20250207346Abstract: A pile driving method for driving a hollow tubular pile having a vertical centreline, a top end and an open foot end vertically into the soil, e.g. into the seabed, e.g. a large diameter pile having an outer diameter at the open foot end of at least 5 meters, e.g. a monopile of an offshore wind turbine, wherein use is made of a pile driving system, wherein the system includes at least one hammer device and a torsional vibration drive.Type: ApplicationFiled: March 17, 2023Publication date: June 26, 2025Applicant: Itrec B.V.Inventors: Pieter Dirk Melis VAN DUIVENDIJK, Eric ROMEIJN
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Patent number: 12338695Abstract: A mobile land rig is adapted to perform drilling and/or wellbore related activities. The mobile land rig includes a drilling tower, a loader and a top drive system including a pivotal top drive unit. The top drive system is provided with an actuator assembly adapted to cause the pivot motion of the top drive unit.Type: GrantFiled: September 26, 2022Date of Patent: June 24, 2025Assignee: ITREC B.V.Inventor: Arthur Alexander De Mul
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Patent number: 12338789Abstract: In the installation of a rotor blade in horizontal orientation to the hub of a horizontal axis offshore wind turbine, use is made of a blade motion synchronization and positioning device, which comprises a wind turbine coupler, a blade coupler, a motion arm between the wind turbine coupler and the blade coupler, and a controllable motion arm actuator assembly. The method includes bringing and maintaining the blade coupler in a motion compensated receiving position, wherein the arm is operated to compensate for sea state and/or wind induced tower top motion. In receiving position, the coupler is coupled to the blade that is suspended from a crane. The actuator assembly is then operated to gradually bring, and then maintain, the coupled blade in a horizontal motion that is synchronized with tower top motion, and to displace the coupled blade root into a pre-mounting position.Type: GrantFiled: July 8, 2022Date of Patent: June 24, 2025Assignee: ITREC B.V.Inventors: Diederick Bernardus Wijning, David Roodenburg
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Patent number: 12331719Abstract: In an installation of a wind turbine on a floating foundation in floating condition and subject to sea-state induced motions, e.g. at the site of an offshore windfarm, use is made of a vessel with a crane arranged on the hull and provided with a hoisting system adapted to support the weight of the wind turbine and suspend the wind turbine from the crane. A heave compensation device compensates for sea-state induced heave motion of the wind turbine mast relative to the mast mounting structure of the floating foundation. Use is made of a mast alignment system configured to engage on the suspended wind turbine, e.g. on the mast of the suspended wind turbine, and to bring and maintain the mast of the wind turbine in alignment with the mounting axis of the floating foundation in order to compensate for sea-state induced motions, at least including tilt motions in one or more vertical planes, of the wind turbine mast relative to the mounting axis of the floating foundation.Type: GrantFiled: October 19, 2021Date of Patent: June 17, 2025Assignee: ITREC B.V.Inventors: Diederick Bernardus Wijning, Joop Roodenburg
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Patent number: 12325610Abstract: A feeder vessel for the onshore-to-offshore transport of elongate wind turbine objects with a motion compensating carrier assembly having a motion compensated platform for receiving and retaining the elongate object, and a motion compensation mechanism. The motion compensation mechanism includes extendable actuators which passively compensate motions of the platform out of a neutral position, and winches driving carrier cables such that traction by the respective carrier winch counteracts an extension of at least one of the carrier actuators. The winches are embodied as active motion compensation winches to compensate movements of the platform.Type: GrantFiled: December 18, 2020Date of Patent: June 10, 2025Assignee: ITREC B.V.Inventors: Joop Roodenburg, Hubertus Lourens Leendert Tieleman
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Patent number: 12313035Abstract: An offshore wind turbine installation vessel includes a crane provided with a computerized crane control system. The computerized crane control system is linked to the slew drive, the luffing drive, and the hoisting winch of the crane, and is programmed to perform a foundation pile installation routine providing a coordinated pattern of slew motion of the superstructure and of luffing motion of the boom structure, as well as operation of the hoisting winch so that the load connector of the crane moves from a foundation pile pick up position thereof, where the load connector is connected to the top end of a horizontally oriented foundation pile stored on a storage deck, to a foundation pile overboarding position thereof, wherein the foundation pile is in vertical suspended from the load connector, outside of the hull.Type: GrantFiled: December 8, 2023Date of Patent: May 27, 2025Assignee: ITREC B.V.Inventors: Joop Roodenburg, Terence Willem August Vehmeijer
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Publication number: 20250122768Abstract: A mobile land rig is adapted to perform drilling and/or wellbore related activities. The mobile land rig includes a drilling tower, a loader and a top drive system including a pivotal top drive unit. The top drive system is provided with an actuator assembly adapted to cause the pivot motion of the top drive unit.Type: ApplicationFiled: September 26, 2022Publication date: April 17, 2025Applicant: Itrec B.V.Inventor: Arthur Alexander DE MUL
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Patent number: 12276253Abstract: A semi-submersible crane vessel for use in assembling a wind turbine and for installation by means of a crane of the vessel of the assembled wind turbine on a foundation. At an assembly station, the hull of the vessel is provided with a mast-receiving well that is sunk into, or through, the hull, preferably a well that extends into, or through a support column of the hull, which well is configured to receive therein at least a portion of the mast of the wind turbine during an assembly step of the wind turbine. For example, the mast-receiving well has a depth of at least 15 meters, e.g. at least 30 meters, measured from the deck of the deckbox structure.Type: GrantFiled: October 19, 2021Date of Patent: April 15, 2025Assignee: ITREC B.V.Inventor: Diederick Bernardus Wijning
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Publication number: 20250108999Abstract: A crane, in particular an offshore leg encircling crane for use on a jack up-vessel, includes a revolving superstructure with a crane housing to which a boom is connected. The crane includes a hoisting system and a luffing device for pivoting a boom up to an upright position and down. The luffing device includes first left-hand and right-hand luffing cable sheave sets provided at opposite sides at a top of a luffing frame structure, and second left-hand and right-hand luffing cable sheave sets provided at opposite sides of a head structure of the boom. A variable length luffing system extends from the luffing winch via the first left-hand and right-hand luffing cable sheave sets to extend in a luffing direction to the second left-hand and right-hand luffing cable sheave sets.Type: ApplicationFiled: January 11, 2023Publication date: April 3, 2025Applicant: Itrec B.V.Inventors: Joop ROODENBURG, Ronny Lambertus Waltherus NOUWENS
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Patent number: 12234129Abstract: A system comprising a crane and an exchangeable tool. The crane and the tool respectively comprise an upper tool connector with tool retainers and a lower tool connector which can be interconnected, e.g. a male and female connector, e.g. the lower tool connector of the tool being embodied as a shank provided with a shoulder and the upper tool connector as a tool clamp with a female, open-centered body. A tool suspension device comprises the upper tool connector. a travelling block member. The tool clamp has multiple mobile tool retainers adapted to—in a non-operative position—allow introduction of the shank of the tool from below into the shank receiving passage and—in an operative position—engage below the shoulder of the shank that has been introduced into the passage so as to suspend the tool. The upper tool connector may comprise a bearing allowing for swivelling of the open-centered body, and e.g.Type: GrantFiled: February 15, 2024Date of Patent: February 25, 2025Assignee: ITREC B.V.Inventors: Maarten Hugo Hooftman, Cornelis Martinus Van Veluw, Terence Willem August Vehmeijer
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Publication number: 20250059007Abstract: A self-climbing tower crane includes a crane base configured to be placed on a support at a hoisting site, tower segments to erect a crane tower, a crane tower lifting unit mounted on the crane base, and a slewable jib unit. The tower crane is configured to, with the slewable jib unit connected to an upper tower segment, erect the crane tower by stacking tower segments onto one another from below to lengthen the crane tower under the slewable jib unit. The crane tower includes an upper section to be composed of a series of multiple upper tower segments and a lower section to be composed of a series of multiple lower tower segments. Each upper tower segment is embodied as a tubular girder type tower segment. Each lower tower segment is embodied as a latticed structure type tower segment. The tower crane further includes an upper stabilizer device and a lower stabilizer device, each configured to horizontally connect the upper section of the crane tower to an external tall structure, e.g. a wind turbine mast.Type: ApplicationFiled: December 21, 2022Publication date: February 20, 2025Applicant: Itrec B.V.Inventor: Diederick Bernardus WIJNING
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Publication number: 20250034826Abstract: A pile driving system for driving a pile into the soil comprises a drive head member on a top end of the pile to engage the pile, a lift system between the drive head member and the drop tank for bringing the drop tank into an initial height position relative to the drive head member, and a quick release system for quick release of the lift system so that the drop tank falls down from said initial height position. It further comprises a liquid fillable drop tank, that has a capacity to hold more than 500m3 of a liquid therein and that is vertically mobile above and relative to the drive head member, and an energy transfer assembly configured for transfer of energy from the falling drop tank to the drive head member.Type: ApplicationFiled: October 10, 2024Publication date: January 30, 2025Applicant: ITREC B.V.Inventor: Eric ROMEIJN
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Publication number: 20250027288Abstract: A jack-up vessel has a buoyant hull, a plurality of jack-up legs including leg chords having racks, and jacking assemblies to relatively move the associated leg chord relatively to the buoyant hull vertically. The jacking assemblies include actuators and a pinion group, including a plurality of pinions arranged vertically above each other. Jacking assemblies include a sensor system for sensing the load distribution associated with a pinion group. The jack-up vessel includes a control system configured for receiving information about an intended use and/or future environmental conditions and determining a pre-operation load distribution over the pinions in the pinion group, in which pre-operation load distribution the loads within this pinion group are unequally distributed, such that during the intended use and/or during the future environmental conditions the loads within this pinion group are equally distributed.Type: ApplicationFiled: November 16, 2022Publication date: January 23, 2025Applicant: Itrec B.V.Inventors: Cornelis Martinus VAN VELUW, Eric ROMEIJN
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Publication number: 20250019047Abstract: Installation vessel for installation of a monopile to support an offshore wind turbine. The vessel has a pile holding device with a pile holder and a support assembly which is configured to move the pile holder in a horizontal plane relative to the hull. A monitoring system is configured to, in a gripping phase wherein the monopile is suspended from a crane and is to be gripped by the pile holder, monitor the suspended monopile in the horizontal plane relative to the pile holder. The system provides signals representative of the position and movement of the monopile relative to the pile holder to the motion control unit of the support assembly.Type: ApplicationFiled: October 14, 2022Publication date: January 16, 2025Applicant: Itrec B.V.Inventors: Terence Willem August VEHMEIJER, Jelmer BRAAKSMA
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Patent number: 12195305Abstract: A vessel and a method for installation of a pile adapted to support an offshore wind turbine are described. The method includes a) suspending the pile from a hoisting cable in a substantially vertical orientation; b) providing a lower end of the pile in a pile holding system limiting horizontal motion of a pile portion held by the pile holding system; and c) lowering the pile with the pile being held by the pile holding system. The lowering includes at least lowering the pile through a splash zone of a body of water, and during step c), two tugger lines are directly or indirectly connected to the pile at a location between the pile holding system and the hoisting cable, said tugger lines being operated to damp motion of the pile in two respective horizontal directions.Type: GrantFiled: April 15, 2020Date of Patent: January 14, 2025Assignee: ITREC B.V.Inventors: Terence Willem August Vehmeijer, Matthijs Michiel Stofregen
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Publication number: 20250012032Abstract: A heave tolerant pile guiding device for guiding a pile including a cylindrical section and above said cylindrical section a tapered section that narrows in upward direction. The device includes a frame to be mounted to a vessel having a hull subject to sea-state induced motion during installation of a pile. At least one pair of first and second pile engaging devices is arranged on the frame diametrically opposed relative to a center axis. Each pile engaging device comprises a pile engaging member and a hydraulic cylinder to move the member radially relative to the center axis. A hydraulic system includes a position control circuit and a sphincter control circuit. The sphincter control circuit is configured to operate the pair of first and second hydraulic cylinders in particular when the pile engaging members engage on the tapered section of the pile. The sphincter control circuit is a rotary flow divider.Type: ApplicationFiled: December 1, 2022Publication date: January 9, 2025Applicant: Itrec B.V.Inventor: Lucas BOONTJES
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Patent number: 12187585Abstract: A crane vessel for hoisting of an offshore wind turbine or a component thereof, includes a hull having a deck. A crane configured for hoisting of an offshore wind turbine or a component thereof includes a vertical crane structure having a crane structure base fixed to the hull, the crane structure extending from the hull over a height thereof to a top along a vertical axis of the crane structure, a boom, and a slew bearing allowing to revolve the boom, about a slew axis. A main hoisting system includes at least one main hoisting winch, an associated main hoisting cable and a load connector, the main hoisting cable extending from the main hoisting winch to a main hoist cable guide on the boom and then to the load connector.Type: GrantFiled: March 5, 2021Date of Patent: January 7, 2025Assignee: ITREC B.V.Inventors: David Roodenburg, Diederick Bernardus Wijning
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Patent number: 12172870Abstract: A tool and method for hoisting an longitudinal end of an offshore wind turbine component which is in a horizontal orientation. The tool is after being attached to a lifting block to be moved into a proximate position in which gripping members of the tool are longitudinally spaced from the longitudinal end but the radial contour of the tool at least overlaps with the radial contour of the longitudinal end. While the gripping members are in a retracted position guiding actuators can move the tool from the proximate position into a gripping position longitudinally aligned with the longitudinal end in which the gripping members are movable to engage said surface of the longitudinal end, thereby connecting the longitudinal end to the tool and suspending the longitudinal end from the lifting block so that the longitudinal end can consequently be hoisted.Type: GrantFiled: February 17, 2021Date of Patent: December 24, 2024Assignee: ITREC B.V.Inventors: Terence Willem August Vehmeijer, Tim Van Den Donker