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GB2036968A - Underwater levelling device - Google Patents

Underwater levelling device

Info

Publication number
GB2036968A
GB2036968A GB8001195A GB8001195A GB2036968A GB 2036968 A GB2036968 A GB 2036968A GB 8001195 A GB8001195 A GB 8001195A GB 8001195 A GB8001195 A GB 8001195A GB 2036968 A GB2036968 A GB 2036968A
Authority
GB
United Kingdom
Prior art keywords
fluid
levelling device
underwater
datum
openings
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
GB8001195A
Other versions
GB2036968B (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB2036968A publication Critical patent/GB2036968A/en
Application granted granted Critical
Publication of GB2036968B publication Critical patent/GB2036968B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G01C5/04—Hydrostatic levelling, i.e. by flexibly interconnected liquid containers at separated points

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

A levelling device for underwater use having a flexible tube (1) open at two places (2, 4) with an inlet (6) for fluid flow intermediate the openings, whereby flow of the fluid into the tube causes fluid to emerge from one of the openings (2) to form a datum while the fluid forms an interface adjacent the other opening (4), thus providing an indication of the level relative to the datum.
GB8001195A 1978-05-25 1979-05-25 Underwater levelling device Expired GB2036968B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2266178 1978-05-25

Publications (2)

Publication Number Publication Date
GB2036968A true GB2036968A (en) 1980-07-02
GB2036968B GB2036968B (en) 1982-12-22

Family

ID=10183057

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8001195A Expired GB2036968B (en) 1978-05-25 1979-05-25 Underwater levelling device

Country Status (3)

Country Link
EP (1) EP0018975A1 (en)
GB (1) GB2036968B (en)
WO (1) WO1979001122A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107401663B (en) * 2017-09-01 2023-01-17 江苏省水利科学研究院 Single beam ship board quick mounting combination device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680216A (en) * 1971-02-24 1972-08-01 Us Navy Method of measuring the relative depth between two or more underwater locations

Also Published As

Publication number Publication date
GB2036968B (en) 1982-12-22
EP0018975A1 (en) 1980-11-26
WO1979001122A1 (en) 1979-12-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee