EP4466410C0 - Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung - Google Patents

Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung

Info

Publication number
EP4466410C0
EP4466410C0 EP23702653.9A EP23702653A EP4466410C0 EP 4466410 C0 EP4466410 C0 EP 4466410C0 EP 23702653 A EP23702653 A EP 23702653A EP 4466410 C0 EP4466410 C0 EP 4466410C0
Authority
EP
European Patent Office
Prior art keywords
connection
excavation device
underwater excavation
underwater
excavation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP23702653.9A
Other languages
English (en)
French (fr)
Other versions
EP4466410B1 (de
EP4466410A1 (de
Inventor
Donald Stewart
Kenneth Roderick Stewart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rotech Group Ltd
Original Assignee
Rotech Group Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rotech Group Ltd filed Critical Rotech Group Ltd
Priority to EP25183246.5A priority Critical patent/EP4596884B1/de
Publication of EP4466410A1 publication Critical patent/EP4466410A1/de
Application granted granted Critical
Publication of EP4466410B1 publication Critical patent/EP4466410B1/de
Publication of EP4466410C0 publication Critical patent/EP4466410C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
    • E02F5/287—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with jet nozzles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
    • E02F3/9268—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements
    • E02F3/9275—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with rotating cutting elements with axis of rotation parallel to longitudinal axis of the suction pipe
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9206—Digging devices using blowing effect only, like jets or propellers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/005—Equipment for conveying or separating excavated material conveying material from the underwater bottom
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/04—Helico-centrifugal pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Earth Drilling (AREA)
EP23702653.9A 2022-01-21 2023-01-19 Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung Active EP4466410B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP25183246.5A EP4596884B1 (de) 2022-01-21 2023-01-19 Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2200798.3A GB2614897B (en) 2022-01-21 2022-01-21 Improvements in and relating to underwater excavation apparatus
PCT/GB2023/050095 WO2023139365A1 (en) 2022-01-21 2023-01-19 Improvements in and relating to underwater excavation apparatus

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP25183246.5A Division EP4596884B1 (de) 2022-01-21 2023-01-19 Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung
EP25183246.5A Division-Into EP4596884B1 (de) 2022-01-21 2023-01-19 Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung

Publications (3)

Publication Number Publication Date
EP4466410A1 EP4466410A1 (de) 2024-11-27
EP4466410B1 EP4466410B1 (de) 2025-12-03
EP4466410C0 true EP4466410C0 (de) 2025-12-03

Family

ID=80568356

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23702653.9A Active EP4466410B1 (de) 2022-01-21 2023-01-19 Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung
EP25183246.5A Active EP4596884B1 (de) 2022-01-21 2023-01-19 Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP25183246.5A Active EP4596884B1 (de) 2022-01-21 2023-01-19 Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung

Country Status (5)

Country Link
US (1) US20250101710A1 (de)
EP (2) EP4466410B1 (de)
GB (1) GB2614897B (de)
TW (1) TW202336320A (de)
WO (1) WO2023139365A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2620131B (en) * 2022-06-28 2025-03-19 Ovaeda Ltd Multi-layer flooring support system
GB2631402B (en) * 2023-06-28 2025-07-23 Rotech Group Ltd Improvements in sediment plume suppression

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1430182A (en) * 1973-03-13 1976-03-31 Araoka T Apparatus for digging an underwater hole
US4305214A (en) * 1979-08-10 1981-12-15 Hurst George P In-line centrifugal pump
US4456424A (en) * 1981-03-05 1984-06-26 Toyo Denki Kogyosho Co., Ltd. Underwater sand pump
EP0134312A1 (de) * 1983-07-13 1985-03-20 Dosbouw v.o.f. Verfahren und Vorrichtung zum Entfernen von Material unterhalb der Wasseroberfläche
GB2297777A (en) 1995-02-07 1996-08-14 Hollandsche Betongroep Nv Underwater excavation apparatus
GB9512602D0 (en) 1995-06-21 1995-08-23 Susman Hector F A Improvements in or relating to underwater excavation apparatus
US5937958A (en) * 1997-02-19 1999-08-17 Smith International, Inc. Drill bits with predictable walk tendencies
US7954559B2 (en) * 2005-04-06 2011-06-07 Smith International, Inc. Method for optimizing the location of a secondary cutting structure component in a drill string
US8118119B2 (en) * 2007-12-07 2012-02-21 Varel International Ind., L.P. Impregnated rotary bit
GB2538974B (en) * 2015-06-01 2019-03-13 Jbs Group Scotland Ltd Underwater excavation apparatus
GB201614460D0 (en) * 2016-08-24 2016-10-05 Rotech Group Ltd Improvements in and relating to underwater excavation apparatus
GB2570167B (en) * 2018-04-20 2020-07-29 Rotech Group Ltd Improvements in and relating to underwater excavation apparatus

Also Published As

Publication number Publication date
EP4596884C0 (de) 2026-02-18
US20250101710A1 (en) 2025-03-27
EP4596884A3 (de) 2025-10-08
GB2614897B (en) 2024-09-04
EP4466410B1 (de) 2025-12-03
WO2023139365A1 (en) 2023-07-27
EP4596884B1 (de) 2026-02-18
TW202336320A (zh) 2023-09-16
EP4466410A1 (de) 2024-11-27
EP4596884A2 (de) 2025-08-06
GB202200798D0 (en) 2022-03-09
GB2614897A (en) 2023-07-26

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