Transportation of liquefiable petroleum gas

Details Transportation of liquefiable petroleum gas Transportation of liquefiable petroleum gas

2006-04-11

2006-04-11

Doerrler, William C. (Department: 3744)

Refrigeration

Storage of solidified or liquified gas

C220S560040, C220S560110, C220S560120

Reexamination Certificate

active

07024868

ABSTRACT:
A pressure vessel for transportation of liquefiable petroleum gas (LPG) is cylindrical with a circular cross-sectional profile. The wall thickness of the vessel (in meters) multiplied by a design strength of the material from which the vessel is made (in megapascals) is less than 0.8 times the internal diameter of the vessel (in meters). The design strength is the yield strength divided by 1.5 or the tensile strength divided by 2.5. The wall thickness is between 3 mm and 11 mm. The diameter is between 1 and 2.6 m. The vessel have have an external insulating and fire resistant cladding. It may also have a cooling plant for cooling the LPG.

REFERENCES:
patent: 2280501 (1942-04-01), Stephenson
patent: 2970559 (1961-02-01), Leroux
patent: 2991900 (1961-07-01), Poorman
patent: 3830180 (1974-08-01), Bolton
patent: 4772337 (1988-09-01), Kesten
patent: 6012598 (2000-01-01), Antoniou
patent: 6026975 (2000-02-01), Slater
patent: 6085528 (2000-07-01), Woodall et al.
patent: 2003/0106324 (2003-06-01), Bishop
International Search Report corresponding to PCT/IB02/00427 mailed on Feb. 11, 2003.

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