FR2395182A1 - Liquid cargo tank construction - has watertight compartment with a watertight horizontal deck a foot below the neutral pressure height - Google Patents

Liquid cargo tank construction - has watertight compartment with a watertight horizontal deck a foot below the neutral pressure height

Info

Publication number
FR2395182A1
FR2395182A1 FR7818725A FR7818725A FR2395182A1 FR 2395182 A1 FR2395182 A1 FR 2395182A1 FR 7818725 A FR7818725 A FR 7818725A FR 7818725 A FR7818725 A FR 7818725A FR 2395182 A1 FR2395182 A1 FR 2395182A1
Authority
FR
France
Prior art keywords
watertight
liquid cargo
liquid
waterline
specific gravity
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
FR7818725A
Other languages
French (fr)
Other versions
FR2395182B1 (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 FR2395182A1 publication Critical patent/FR2395182A1/en
Application granted granted Critical
Publication of FR2395182B1 publication Critical patent/FR2395182B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/082—Arrangements for minimizing pollution by accidents

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

To reduce leakage in the event of a hull nupture of a tank vessel having a liquid cargo with a specific gravity less than water, the tank vessel has a watertight compartment between having a watertight horizontal bulkhead in it, above the lock waterline of the tank vessel and at a distance above the hull bottom which is less than or equal to H(Sw/Sc. H represents the vertical height of the waterline of the vessel above the bottom; Sw represents the specific gravity of water and Sc represents the specific gravity of the liquid. The horizontal bulkhead forms separate upper and lower watertight liquid receiving tanks above and below the waterline. The upper one of the tanks has a vertical height which is less than that of the lower one of the tanks. The liquid cargo tanker construction reduces cargo losses at sea and in part from bottom or side hull damage, corrosion, fracture leakage and tanker operational or personnel error.
FR7818725A 1977-06-23 1978-06-22 Liquid cargo tank construction - has watertight compartment with a watertight horizontal deck a foot below the neutral pressure height Granted FR2395182A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80939577A 1977-06-23 1977-06-23

Publications (2)

Publication Number Publication Date
FR2395182A1 true FR2395182A1 (en) 1979-01-19
FR2395182B1 FR2395182B1 (en) 1985-02-01

Family

ID=25201249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7818725A Granted FR2395182A1 (en) 1977-06-23 1978-06-22 Liquid cargo tank construction - has watertight compartment with a watertight horizontal deck a foot below the neutral pressure height

Country Status (3)

Country Link
BR (1) BR7803974A (en)
FR (1) FR2395182A1 (en)
ZA (1) ZA783585B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2031905A1 (en) * 1969-07-01 1971-01-07 Polviander. Nils. Vasa (Finnland) Leakage prevention from grounded oil tank- - ers
FR2089783A5 (en) * 1970-04-16 1972-01-07 Polviander Nils

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2031905A1 (en) * 1969-07-01 1971-01-07 Polviander. Nils. Vasa (Finnland) Leakage prevention from grounded oil tank- - ers
FR2089783A5 (en) * 1970-04-16 1972-01-07 Polviander Nils

Also Published As

Publication number Publication date
FR2395182B1 (en) 1985-02-01
BR7803974A (en) 1979-01-09
ZA783585B (en) 1979-07-25

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Legal Events

Date Code Title Description
ST Notification of lapse