Internal-combustion engines – Charge forming device – Fuel flow regulation between the pump and the charge-forming...
Reexamination Certificate
2007-01-16
2007-01-16
Moulis, Thomas (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel flow regulation between the pump and the charge-forming...
C123S514000
Reexamination Certificate
active
10507706
ABSTRACT:
A fuel system for an internal combustion engine comprises a fuel injection apparatus (16) including at least one fuel injector (18), the fuel injection apparatus (16) being arranged to inject fuel at high pressure into an associated combustion space, and a primary supply line (11) through which fuel is supplied from a low pressure reservoir (10) to the fuel injection apparatus (16). The system also includes a return flow line (20) for a return flow of fuel from the fuel injection apparatus (16) to the low pressure reservoir (10), and a filter arrangement (32) including a primary filter (14) arranged within the primary supply line (11) for filtering contaminants in the fuel flow through the primary supply line (11) and a secondary filter (30) arranged within the return flow line (20) for filtering contaminants from the flow through the return flow line (20).
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Delphi Technologies Inc.
Moulis Thomas
Wood David P.
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