Sub-atmospheric fuel storage system

Details Sub-atmospheric fuel storage system Sub-atmospheric fuel storage system

2005-10-11

2005-10-11

Lawrence, Frank M. (Department: 1724)

Gas separation: apparatus

Apparatus for selective diffusion of gases

C055S385400

Reexamination Certificate

active

06953496

ABSTRACT:
A fuel storage system is provided including at least one storage tank, an exhaust port, a filter system, and at least one pump positioned to cause fluid to pass through a filter input port. The filter system comprises a filter input port coupled to the fluid vent port, a fuel vapor duct defining a flow path extending from the filter input port to a primary filter output port and a secondary filter output port partitioned from the fuel vapor duct by the permeable partition. At least one pump is positioned to cause fluid to pass through the filter input port. The storage tank and the pump are arranged such that major portions of the system operate below atmospheric pressure such that system leaks do not lead to release of fugitives from the fuel into the atmosphere.

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