Fluid sprinkling – spraying – and diffusing – With heating or cooling means for the system or system fluid – In terminal element
Reexamination Certificate
2006-08-15
2006-08-15
Argenbright, T. M. (Department: 3747)
Fluid sprinkling, spraying, and diffusing
With heating or cooling means for the system or system fluid
In terminal element
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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Baker S. Michael
Free P. Douglas
Perr Victor J.
Argenbright T. M.
McAndrews Held & Malloy Ltd.
Westport Research Inc.
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