Composite conformable pressure vessel

a pressure vessel and conformation technology, applied in the field of pressure vessels, can solve the problems of reducing the driving range of the vehicle, limiting consumer acceptance of such conversions, and reducing the volume of stored cng, so as to reduce the tendency of adjacent cells to peel apart and strengthen the pressure vessel
USRE41142E1Inactive Publication Date: 2010-02-23NORTHROP GRUMMAN SYST CORP
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Patents(United States)
Current Assignee / Owner
NORTHROP GRUMMAN SYST CORP
Publication Date
2010-02-23
Estimated Expiration
Not applicable · inactive patent

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Abstract

A pressure vessel for holding a pressurized fluid such as compressed natural gas (“CNG”) includes two end cells and zero or more interior cells. The cell geometry ensures that the cells meet one another at tangential circular surfaces, thereby reducing the tendency of adjacent cells to peel apart. A web secured about the cells includes two sheets that are tangent to the cells. Unused volumes between the cells and the web contain wedges of foam or rubber. A valve provides fluid communication between the interior of the pressure vessel and a pressurized fluid line. The filled weight of one pressure vessel does not exceed the filled weight of a conventional gasoline tank that occupies substantially the same space as the pressure vessel. The pressure vessel may be configured with exterior recesses for engaging conventional gasoline tank straps.
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Description

FIELD OF THE INVENTION

[0001] The present invention relates to a pressure vessel for holding compressed fluids, and more particularly to a composite pressure vessel having a plurality of storage cells which meet tangentially within a composite web to closely and efficiently approximate a rectangular volume.TECHNICAL BACKGROUND OF THE INVENTION

[0002] Pressure vessels are widely used to store liquids and gases under pressure. The storage capacity of a pressure vessel depends on the internal volume of the pressure vessel and the pressure the vessel is capable of safely containing. In addition to its storage capacity, the size, internal shape, external shape, and weight of the pressure vessel are often important in a particular application.

[0003] One growing application of pressure vessels is the storage of compressed natural gas (“CNG”). CNG is increasingly viewed as preferable to gasoline for fueling vehicles. CNG generally burns cleaner than gasoline, leading to a visible reduction in ai...

Claims

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