AU737332B2 - Improvements in or relating to underwater excavation apparatus - Google Patents

Improvements in or relating to underwater excavation apparatus Download PDF

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Publication number
AU737332B2
AU737332B2 AU11638/97A AU1163897A AU737332B2 AU 737332 B2 AU737332 B2 AU 737332B2 AU 11638/97 A AU11638/97 A AU 11638/97A AU 1163897 A AU1163897 A AU 1163897A AU 737332 B2 AU737332 B2 AU 737332B2
Authority
AU
Australia
Prior art keywords
excavation apparatus
underwater excavation
rotor
stator
inlets
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.)
Expired
Application number
AU11638/97A
Other languages
English (en)
Other versions
AU1163897A (en
Inventor
Kenneth Roderick Stewart
Hector Fillipus Alexander Van Drentham Susman
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.)
James Fisher Mfe Ltd
Original Assignee
LEDINGHAM CHALMERS TRUSTEE COM
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 LEDINGHAM CHALMERS TRUSTEE COM filed Critical LEDINGHAM CHALMERS TRUSTEE COM
Priority claimed from PCT/GB1996/003148 external-priority patent/WO1998027286A1/en
Publication of AU1163897A publication Critical patent/AU1163897A/en
Application granted granted Critical
Publication of AU737332B2 publication Critical patent/AU737332B2/en
Assigned to ROTECH HOLDINGS LIMITED reassignment ROTECH HOLDINGS LIMITED Alteration of Name(s) in Register under S187 Assignors: LEDINGHAM CHALMERS TRUSTEE COMPANY LIMITED
Assigned to ROTECH LIMITED reassignment ROTECH LIMITED Alteration of Name(s) in Register under S187 Assignors: ROTECH HOLDINGS LIMITED
Anticipated expiration legal-status Critical
Assigned to JAMES FISHER MFE LIMITED reassignment JAMES FISHER MFE LIMITED Request for Assignment Assignors: ROTECH LIMITED
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
AU11638/97A 1996-12-19 1996-12-19 Improvements in or relating to underwater excavation apparatus Expired AU737332B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB1996/003148 WO1998027286A1 (en) 1995-06-21 1996-12-19 Improvements in or relating to underwater excavation apparatus

Publications (2)

Publication Number Publication Date
AU1163897A AU1163897A (en) 1998-07-15
AU737332B2 true AU737332B2 (en) 2001-08-16

Family

ID=10788775

Family Applications (1)

Application Number Title Priority Date Filing Date
AU11638/97A Expired AU737332B2 (en) 1996-12-19 1996-12-19 Improvements in or relating to underwater excavation apparatus

Country Status (7)

Country Link
JP (1) JP3839852B2 (pt)
AU (1) AU737332B2 (pt)
BR (1) BR9612808A (pt)
CA (1) CA2275578C (pt)
DE (1) DE69630716T2 (pt)
DK (1) DK1007796T3 (pt)
EA (1) EA001345B1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103758167B (zh) * 2014-02-24 2016-02-17 上海交通大学 深水挖沟机大流量隔板式喷冲装置
GB2570167B (en) * 2018-04-20 2020-07-29 Rotech Group Ltd Improvements in and relating to underwater excavation apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328198A1 (en) * 1988-02-09 1989-08-16 Rapid Multipurpose (Uk) Wing Dredging Co Ltd Improvements relating to dredgers
GB2297777A (en) * 1995-02-07 1996-08-14 Hollandsche Betongroep Nv Underwater excavation apparatus
GB2302348A (en) * 1995-06-21 1997-01-15 Hector Filippus Alexand Susman Underwater excavation apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328198A1 (en) * 1988-02-09 1989-08-16 Rapid Multipurpose (Uk) Wing Dredging Co Ltd Improvements relating to dredgers
GB2297777A (en) * 1995-02-07 1996-08-14 Hollandsche Betongroep Nv Underwater excavation apparatus
GB2302348A (en) * 1995-06-21 1997-01-15 Hector Filippus Alexand Susman Underwater excavation apparatus

Also Published As

Publication number Publication date
JP2001507093A (ja) 2001-05-29
EA001345B1 (ru) 2001-02-26
AU1163897A (en) 1998-07-15
DK1007796T3 (da) 2004-03-22
EA199900557A1 (ru) 2000-02-28
CA2275578C (en) 2006-12-05
BR9612808A (pt) 2000-02-01
DE69630716D1 (de) 2003-12-18
JP3839852B2 (ja) 2006-11-01
DE69630716T2 (de) 2004-09-30
CA2275578A1 (en) 1998-06-25

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
PC Assignment registered

Owner name: ROTECH HOLDINGS LIMITED

Free format text: FORMER OWNER WAS: LEDINGHAM CHALMERS TRUSTEE COMPANY LIMITED

PC Assignment registered

Owner name: JAMES FISHER MFE LIMITED

Free format text: FORMER OWNER(S): ROTECH LIMITED