Fuel tank air pocket removal device

Patent · Tue Oct 08 00:00:00 EDT 1991

OSTI ID:5720283

Wilson, II, C N

This paper describes a device for the removal of air pockets from filled underground fuel storage tanks. It comprises: a hollow rigid guide column of sufficient length to extend through a fuel inlet opening of the storage tank to the bottom thereof; a rotatable assembly affixed to the lower end of the column and containing guide means for facilitating the passage of a hose from the guide column to the most distant point of the walls of the storage tank; a hose slidably mounted within and extendable from and retractable into the guide column and having means for maintaining the air hose in a plane essentially parallel to the bottom of the storage tank; a first end of a tubular means connected to a first end of the hose, the tubular means comprising flotation means, the flotation means causing a second end of the tubular means to contact the air pocket; and means on a second end of the hose for extending and retracting the hose through the guide column so as to reach any point within the storage tank.

• Assignee: NOV; NOV-92-003330; EDB-92-066228
• Patent Number(s): US 5054312; A
• Application Number: PPN: US 7-405055
• OSTI ID: 5720283
• Resource Relation: Patent File Date: 7 Sep 1989
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
42 ENGINEERING
AIR
REMOVAL
PETROLEUM
STORAGE FACILITIES
TANKS
UNDERGROUND STORAGE
EQUIPMENT
CONTAINERS
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUELS
GASES
STORAGE
022000* - Petroleum- Transport
Handling
& Storage
420205 - Engineering- Transport & Storage Facilities- (1980-)
422000 - Engineering- Mining & Underground Engineering- (1980-)