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GB2614897B - Improvements in and relating to underwater excavation apparatus - Google Patents

Improvements in and relating to underwater excavation apparatus Download PDF

Info

Publication number
GB2614897B
GB2614897B GB2200798.3A GB202200798A GB2614897B GB 2614897 B GB2614897 B GB 2614897B GB 202200798 A GB202200798 A GB 202200798A GB 2614897 B GB2614897 B GB 2614897B
Authority
GB
United Kingdom
Prior art keywords
relating
excavation apparatus
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
GB2200798.3A
Other versions
GB202200798D0 (en
GB2614897A (en
Inventor
Stewart Donald
Roderick Stewart Kenneth
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 GB2200798.3A priority Critical patent/GB2614897B/en
Publication of GB202200798D0 publication Critical patent/GB202200798D0/en
Priority to US18/729,915 priority patent/US20250101710A1/en
Priority to PCT/GB2023/050095 priority patent/WO2023139365A1/en
Priority to TW112102706A priority patent/TW202336320A/en
Priority to EP23702653.9A priority patent/EP4466410B1/en
Priority to EP25183246.5A priority patent/EP4596884B1/en
Publication of GB2614897A publication Critical patent/GB2614897A/en
Application granted granted Critical
Publication of GB2614897B publication Critical patent/GB2614897B/en
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)
GB2200798.3A 2022-01-21 2022-01-21 Improvements in and relating to underwater excavation apparatus Active GB2614897B (en)

Priority Applications (6)

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
EP23702653.9A EP4466410B1 (en) 2022-01-21 2023-01-19 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
TW112102706A TW202336320A (en) 2022-01-21 2023-01-19 Improvements in and relating to underwater excavation apparatus
US18/729,915 US20250101710A1 (en) 2022-01-21 2023-01-19 Improvements In and Relating To Underwater Excavation Apparatus
EP25183246.5A EP4596884B1 (en) 2022-01-21 2023-01-19 Improvements in and relating to underwater excavation apparatus

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB202200798D0 GB202200798D0 (en) 2022-03-09
GB2614897A GB2614897A (en) 2023-07-26
GB2614897B true GB2614897B (en) 2024-09-04

Family

ID=80568356

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2200798.3A Active GB2614897B (en) 2022-01-21 2022-01-21 Improvements in and relating to underwater excavation apparatus

Country Status (5)

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

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

Citations (6)

* 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
GB2095751A (en) * 1981-03-05 1982-10-06 Toyo Denki Kogyosho Co Ltd Underwater sand pumps
EP0134312A1 (en) * 1983-07-13 1985-03-20 Dosbouw v.o.f. Method and device for removing material lying beneath the water surface
GB2538974A (en) * 2015-06-01 2016-12-07 F Whyte Alex Underwater excavation apparatus
WO2018037232A2 (en) * 2016-08-24 2018-03-01 Rotech Group Limited Improvements in and relating to underwater excavation apparatus
GB2570167A (en) * 2018-04-20 2019-07-17 Rotech Group Ltd Improvements in and relating to underwater excavation apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305214A (en) * 1979-08-10 1981-12-15 Hurst George P In-line centrifugal pump
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

Patent Citations (6)

* 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
GB2095751A (en) * 1981-03-05 1982-10-06 Toyo Denki Kogyosho Co Ltd Underwater sand pumps
EP0134312A1 (en) * 1983-07-13 1985-03-20 Dosbouw v.o.f. Method and device for removing material lying beneath the water surface
GB2538974A (en) * 2015-06-01 2016-12-07 F Whyte Alex Underwater excavation apparatus
WO2018037232A2 (en) * 2016-08-24 2018-03-01 Rotech Group Limited Improvements in and relating to underwater excavation apparatus
GB2570167A (en) * 2018-04-20 2019-07-17 Rotech Group Ltd Improvements in and relating to underwater excavation apparatus

Also Published As

Publication number Publication date
GB202200798D0 (en) 2022-03-09
EP4596884A2 (en) 2025-08-06
US20250101710A1 (en) 2025-03-27
EP4466410C0 (en) 2025-12-03
EP4596884B1 (en) 2026-02-18
WO2023139365A1 (en) 2023-07-27
GB2614897A (en) 2023-07-26
EP4596884A3 (en) 2025-10-08
TW202336320A (en) 2023-09-16
EP4466410B1 (en) 2025-12-03
EP4466410A1 (en) 2024-11-27

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