Diesel fuel recirculating manifold

Internal-combustion engines – Charge forming device – Fuel flow regulation between the pump and the charge-forming...

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123557, F02M 3704

Patent

active

058816992

ABSTRACT:
A diesel fuel recirculating manifold for a fuel delivery system selectively provides warm return fuel to unclog (de-wax or de-ice) the components of the fuel system, such as the fuel filter, after a cold start. Once clogging is no longer an issue, the warm fuel is directed to the fuel tank.

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patent: 5195494 (1993-03-01), Tuckey
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patent: 5623907 (1997-04-01), Cotton

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