Liquid cooled fuel injection valve and method of operating a...

Fluid sprinkling – spraying – and diffusing – With heating or cooling means for the system or system fluid – In terminal element

Reexamination Certificate

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Details

C123S299000, C123S304000, C239S533900

Reexamination Certificate

active

07090145

ABSTRACT:
A liquid cooled fuel injection valve is operable to inject fuel directly into a combustion chamber through a nozzle orifice provided in an injector tip. The fuel injection valve further comprises a cooling system for draining fuel from a fuel cavity disposed within the injector tip and a drain valve that opens when pressure within the fuel cavity is greater than a predetermined set point. Fuel drained through the cooling system is directed to a drain system that may be combined with drain passages typically found in fuel injection valves. In a preferred embodiment, the drain valve is disposed within the fuel injection valve.

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patent: 8700257 (1987-02-01), None

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