Receptacles – Arrangements of plural receptacles – Receptacle having rigid – removable inner container
Patent
1974-06-27
1977-03-22
Lowrance, George E.
Receptacles
Arrangements of plural receptacles
Receptacle having rigid, removable inner container
220 88R, B65D 124, B64D 3708
Patent
active
040131904
ABSTRACT:
A flame arresting and explosion attenuating system particularly for use in fuel tanks and other similar structures which are designed to contain highly inflammable fluids. The tank or enclosure may be a single compartmented or it may be divided or partitioned into a plurality of individual fuel cells of compartments at least some of which communicate with one another through openings or apertures in the partitions which form them. The subject system is designed to prevent the propagation of flame supported by combustion of the fluid within the tank and to quench the flame when it tries to spread from one compartment to another and to attenuate the explosive forces generated due to ignition of fluid by allowing the forces thereof to be distributed over the total volume of the enclosure so that there is little or no likelihood of the explosion damaging the enclosure. These and other things are accomplished by the present system at low weight and volume penalties and without unduly restricting or reducing fluid flow circulation and communication between the cells. The subject system includes one or more porous members positioned at locations in the enclosure where compartments communicate and they may serve themselves to compartmentalize the container. Preferably at lest a portion of some of the said porous members should extend across a liquid-gas interface. The subject members are of sufficiently open-celled constructions to permit relatively unrestricted liquid and gas flow therethrough, but the size of the pores is also important and should be such as to act to arrest or quench the propagation of a flame when it comes in contact therewith and tries to pass through thereby preventing flame from passing from one compartment to another in the enclosure. The porous members may also be wetted by the fuel and act as heat sinks.
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"Plastic Foam Fills Fuel Tanks to Suppress Explosion Hazards" Product Engineering, 11/20/1967, pp. 127-128.
Malmberg Quentin C.
Wiggins Edwin W.
Finch G. W.
Jason W. J.
Lowrance George E.
Marcus Stephen
McDonnell Douglas Corporation
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