EP4596884A3 - Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung - Google Patents

Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung

Info

Publication number
EP4596884A3
EP4596884A3 EP25183246.5A EP25183246A EP4596884A3 EP 4596884 A3 EP4596884 A3 EP 4596884A3 EP 25183246 A EP25183246 A EP 25183246A EP 4596884 A3 EP4596884 A3 EP 4596884A3
Authority
EP
European Patent Office
Prior art keywords
rotor
excavation apparatus
relating
blades
rotor blades
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.)
Granted
Application number
EP25183246.5A
Other languages
English (en)
French (fr)
Other versions
EP4596884C0 (de
EP4596884B1 (de
EP4596884A2 (de
Inventor
Kenneth Roderick Stewart
Donald 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
Publication of EP4596884A2 publication Critical patent/EP4596884A2/de
Publication of EP4596884A3 publication Critical patent/EP4596884A3/de
Application granted granted Critical
Publication of EP4596884C0 publication Critical patent/EP4596884C0/de
Publication of EP4596884B1 publication Critical patent/EP4596884B1/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)
EP25183246.5A 2022-01-21 2023-01-19 Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung Active EP4596884B1 (de)

Applications Claiming Priority (3)

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
EP23702653.9A EP4466410B1 (de) 2022-01-21 2023-01-19 Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung

Related Parent Applications (2)

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

Publications (4)

Publication Number Publication Date
EP4596884A2 EP4596884A2 (de) 2025-08-06
EP4596884A3 true EP4596884A3 (de) 2025-10-08
EP4596884C0 EP4596884C0 (de) 2026-02-18
EP4596884B1 EP4596884B1 (de) 2026-02-18

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 Before (1)

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

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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5937958A (en) * 1997-02-19 1999-08-17 Smith International, Inc. Drill bits with predictable walk tendencies
US20070005316A1 (en) * 2005-04-06 2007-01-04 Smith International, Inc. Method for optimizing the location of a secondary cutting structure component in a drill string
US20110203854A1 (en) * 2007-12-07 2011-08-25 Varel International, Ind., L.P. Impregnated rotary bit
US20210047800A1 (en) * 2018-04-20 2021-02-18 Rotech Group Limited Improvements in and relating to underwater excavation apparatus

Family Cites Families (8)

* 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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5937958A (en) * 1997-02-19 1999-08-17 Smith International, Inc. Drill bits with predictable walk tendencies
US20070005316A1 (en) * 2005-04-06 2007-01-04 Smith International, Inc. Method for optimizing the location of a secondary cutting structure component in a drill string
US20110203854A1 (en) * 2007-12-07 2011-08-25 Varel International, Ind., L.P. Impregnated rotary bit
US20210047800A1 (en) * 2018-04-20 2021-02-18 Rotech Group Limited 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
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
EP4466410C0 (de) 2025-12-03
EP4596884A2 (de) 2025-08-06
GB202200798D0 (en) 2022-03-09
GB2614897A (en) 2023-07-26

Similar Documents

Publication Publication Date Title
EP4596884A3 (de) Verbesserungen an und im zusammenhang mit einer unterwasseraushubvorrichtung
FI964799A7 (fi) Menetelmä ja järjestelmä viestintäpalvelun järjestämiseksi peittoaukolle
EP4410655A3 (de) Schwimmende metallplattform
WO2023096977A3 (en) Modified prime editing guide rnas
EP3460201A3 (de) Variable leitschaufelaufrüstung
AU2003281825A1 (en) Multi-carrier transmitting apparatus and multi-carrier transmitting method
SA521430221B1 (ar) أغشية بوليمر جليكول بولي إيثيلين متشابكة لفصل غاز
WO2021041001A3 (en) AUGMENTED sgRNAS AND METHODS FOR THEIR USE TO ENHANCE SOMATIC AND GERMLINE PLANT GENOME ENGINEERING
GB726072A (en) Improvements in and relating to elastic fluid turbines
WO2020240592A3 (en) Method and system for optimum coal selection and power plant optimization
WO2024015925A3 (en) Compositions and methods for artificial protospacer adjacent motif (pam) generation
GB586554A (en) Improvements in or relating to turbines
EP4273365A3 (de) Laufschaufelsystem für turbinenmotoren mit schuafeln unterschiedlicher eigenfrequenz
GB1103221A (en) Improvements in and relating to hydraulic turbines and pump/turbines
WO2004095083A3 (en) Asymmetric distribution of optical pump power
GB1438582A (en) Turbine installation
KR20230121240A (ko) 효율적인 재무 경영컨설팅 방법
GB532357A (en) Improvements in and relating to elastic fluid turbines
EP4319092A3 (de) System und verfahren zur berechnung einer überflutungstopologie
EP4650588A3 (de) Kombination aus druckflüssigkeitsejektor und propellerantriebssystem
GB624777A (en) Improvements in or relating to stator casings for compressors and like machines
WO2023220599A3 (en) Adaptations for high efficiency and altered pam usage with tn7-crispr-cas transposition systems
WO2023164563A3 (en) Cross talk modulators and methods of use
AU2024900289A0 (en) Underwater turbine improved underwater turbine propeller
WO2025006135A8 (en) Liquid separator device and method of use

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20250617

AC Divisional application: reference to earlier application

Ref document number: 4466410

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Free format text: PREVIOUS MAIN CLASS: F04D0001000000

Ipc: E02F0003920000

Ref country code: DE

Ref legal event code: R079

Ref document number: 602023012377

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: F04D0001000000

Ipc: E02F0003920000

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: E02F 3/92 20060101AFI20250902BHEP

Ipc: E02F 7/00 20060101ALI20250902BHEP

Ipc: F04D 1/00 20060101ALI20250902BHEP

Ipc: F04D 1/04 20060101ALI20250902BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: E02F 3/92 20060101AFI20251126BHEP

Ipc: E02F 7/00 20060101ALI20251126BHEP

Ipc: F04D 1/00 20060101ALI20251126BHEP

Ipc: F04D 1/04 20060101ALI20251126BHEP

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

INTG Intention to grant announced

Effective date: 20251217

AC Divisional application: reference to earlier application

Ref document number: 4466410

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: F10

Free format text: ST27 STATUS EVENT CODE: U-0-0-F10-F00 (AS PROVIDED BY THE NATIONAL OFFICE)

Effective date: 20260218

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

U01 Request for unitary effect filed

Effective date: 20260218

U07 Unitary effect registered

Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT RO SE SI

Effective date: 20260224