Measuring and testing – With fluid pressure – Leakage
Reexamination Certificate
2007-06-05
2007-06-05
Larkin, Daniel S. (Department: 2856)
Measuring and testing
With fluid pressure
Leakage
C073S049100
Reexamination Certificate
active
11183707
ABSTRACT:
A pump housing that contains a pump that draws fuel from an underground storage tank containing fuel to deliver to fuel dispensers in a service station environment. The pump is coupled to a double-walled fuel pipe that carries the fuel from the pump to the fuel dispensers. The double-walled fuel piping contains an inner annular space that carries the fuel and an outer annular space that captures any leaked fuel from the inner annular space. The outer annular space is maintained through the fuel piping from the pump to the fuel dispensers so that the outer annular space can be pressurized by a pump to determine if a leak exists in the outer annular space or so that fuel leaked from the inner annular space can be captured by a leak containment chamber in the pump housing.
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Dolson Richard G.
Halla Donald D.
Hart Robert P.
Hutchinson Ray J.
Lucas Richard K.
Gilbarco Inc.
Larkin Daniel S.
Withrow & Terranova , PLLC
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