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公开(公告)号：US20250108999A1
公开(公告)日：2025-04-03
申请号：US18728658
申请日：2023-01-11
Applicant: Itrec B.V.
Inventor： Joop ROODENBURG , Ronny Lambertus Waltherus NOUWENS
Abstract: 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.
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公开(公告)号：US12195305B2
公开(公告)日：2025-01-14
申请号：US17603738
申请日：2020-04-15
Applicant: ITREC B.V.
IPC: B63B27/10 , B63B21/16 , B63B35/00 , B66C13/06 , E02D13/04 , B63B35/44 , B66C23/52 , E02B17/00 , E02B17/02 , E02D7/00
Abstract: 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.
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公开(公告)号：US20240417946A1
公开(公告)日：2024-12-19
申请号：US18815350
申请日：2024-08-26
Applicant: ITREC B.V.
Inventor： Terence Willem August VEHMEIJER , Hendrikus Jacobus WETERINGS , Stefan Cornelis VAN RUYVEN , Rene Corneille Losiriai BOELENS
Abstract: A system for holding a pile and being mounted on a vessel includes a support assembly and a pile holder. The support assembly provides compensation for wave-induced motion of the vessel to maintain a predetermined X-Y location of the pile holder. The pile holder has a center axis and is mounted on the support assembly so as to be tiltable about a substantially horizontal tilt axis relative to the support assembly. The pile holder has at least one ring which includes a ring structure and multiple pile engaging devices connected to the ring structure of the ring, distributed about the circumference of the ring. The substantially horizontal tilt axis of the system is located, with the pile extending substantially vertically through the at least one ring, further forward from the location at which the support assembly is mounted to the vessel than the center axis of the pile holder.
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公开(公告)号：US20240374932A1
公开(公告)日：2024-11-14
申请号：US18781768
申请日：2024-07-23
Applicant: ITREC B.V.
Inventor： Maarten Hugo HOOFTMAN , Joop ROODENBURG
IPC: A61N5/10
Abstract: A radiation facility including a radiation assembly, preferably for irradiating a patient is provided. The radiation assembly includes a radiation device and a moveable radiation device gantry whereupon the radiation device is mounted. The radiation device includes an accelerator and a projector for irradiating patients. The radiation assembly is movable relative to multiple patient preparation rooms.
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公开(公告)号：US20240318633A1
公开(公告)日：2024-09-26
申请号：US18579124
申请日：2022-07-08
Applicant: Itrec B.V.
Inventor： Diederick Bernardus WIJNING , David ROODENBURG
CPC classification number: F03D13/104 , F03D13/126 , F03D13/25 , F05B2230/61 , F05B2230/6102
Abstract: 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. Then a mounting motion is performed wherein the blade root is moved into a mounting position and the blade root is fastened to mounting structure by fasteners.
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Patent Agency Ranking
公开(公告)号：US20240301869A1
公开(公告)日：2024-09-12
申请号：US18271182
申请日：2022-01-05
Applicant: Itrec B.V.
Inventor： Diederick Bernardus WIJNING , Joop ROODENBURG
CPC classification number: F03D13/25 , B63B35/44 , B63B75/00 , B63B77/10 , B66C23/185 , B66C23/52 , B63B2035/446 , F05B2230/6102 , F05B2240/95
Abstract: The invention relates to a crane for assembly and installation of offshore wind turbines on an offshore location, to a vessel for assembly and installation of offshore wind turbines on an offshore location, and to a method for assembly and installation of offshore wind turbines on an offshore location. According to the invention the crane is provided with a base section and a top section, wherein the top section is rotatable supported by a bearing, and can be rotated with the wind turbine hoisting device relative to the base section about a vertical axis, wherein a first trolley guide is mounted to a top section of the installation crane for guiding a vertically mobile wind turbine supporting trolley. According to the invention the vessel is provided with one or more assembly stations on different sides of the installation crane.
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公开(公告)号：US12043523B2
公开(公告)日：2024-07-23
申请号：US17788236
申请日：2020-12-22
Applicant: ITREC B.V.
CPC classification number: B66C13/08 , B66C23/185 , B66C23/52 , B66D3/08 , E02B17/08
Abstract: A crane with a pivotal boom. The crane has a first and a second main hoisting system, which main hoisting system are configured for independent operation. Each system comprises a hoisting cable, an upper sheave block, a hoisting block assembly suspended from the upper sheave block by the hoisting cable in a multiple fall configuration, and a hoisting winch. The upper sheave blocks of the first and second main hoisting systems are each independently pivotable about a common pivot axis relative to the boom. Each hoisting block assembly comprises a hoisting block body, multiple fixed sheaves that are fixed on the hoisting block body, and multiple disconnectable sheave members, each disconnectable sheave member comprising a frame and at least one sheave rotatably supported by the frame.
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公开(公告)号：US11885298B2
公开(公告)日：2024-01-30
申请号：US17059828
申请日：2019-05-31
Applicant: ITREC B.V.
Inventor： Joop Roodenburg , Terence Willem August Vehmeijer
CPC classification number: F03D13/25 , B66C23/52 , E02B17/021 , E02B2017/0039 , E02B2017/0065 , E02B2017/0091 , F05B2240/95
Abstract: 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 overhoarding position thereof, wherein the foundation pile is in vertical suspended from the load connector, outside of the hull.
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公开(公告)号：US20240017967A1
公开(公告)日：2024-01-18
申请号：US18114056
申请日：2023-02-24
Applicant: ITREC B.V.
Inventor： Cornelis Martinus VAN VELUW , Joop ROODENBURG
CPC classification number: B66C13/08 , B66C13/02 , B66C23/52 , B66C23/66 , B66C23/185 , B66C2700/03
Abstract: A method for handling of an offshore wind turbine component includes using a vessel having a hull on which a motion compensating crane is mounted. The crane includes a main boom; a main boom luffing assembly; a mobile hoist cable suspension member; and a hoist winch and a hoist cable driven by the hoist winch. An object suspension device is suspended from the hoist cable. The mobile hoist cable suspension member is supported by a motion compensating support device that is fitted to the tip end of the main boom, the motion compensating support device including one or more motor powered motion displacement actuator assemblies and a motion compensating support device controller. The method includes connecting the offshore wind turbine component to the object suspension device; and operating the motion compensating support device to provide motion compensation in at least one direction of the object suspension device and the connected offshore wind turbine component. The crane is provided with one or more nacelle position detectors that are configured and operated to sense at least one of actual position and actual motion of the nacelle or of one or more components in or on the nacelle, and the one or more nacelle position detectors are linked to the motion compensating support device controller.
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公开(公告)号：US20230392584A1
公开(公告)日：2023-12-07
申请号：US18033097
申请日：2021-10-19
Applicant: Itrec B.V.
Inventor： Diederick Bernardus WIJNING , Joop ROODENBURG
CPC classification number: F03D13/256 , F03D13/126 , F03D13/139 , F03D13/112 , F05B2240/93 , F05B2240/95 , F05B2230/604
Abstract: 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.
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