FUEL INJECTION SYSTEM WITH CROSS-FLOW NOZZLE FOR ENHANCED COMPRESSED NATURAL GAS JET SPRAY
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United States of America Patent
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N/A
Issued Date -
Feb 21, 2008
app pub date -
Jul 6, 2006
filing date -
Jul 6, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An intake manifold system including an intake manifold and a compressed natural gas (CNG) fuel injector located between an inlet and an outlet of the intake manifold. The CNG fuel injector includes a housing, an inlet, an outlet, a seat, a closure member, and a nozzle. In a preferred embodiment, the inlet and outlet communicate a flow of gaseous fuel regulated by the closure member. The gaseous fuel passes through the seat, which is secured to a rim surface of a retainer portion of the nozzle, and into a flow passage that further communicates the flow of gaseous fuel into one or more flow channels. The orientation of the flow channels within the nozzle greatly affects the discharge pattern and mixing characteristics of the gaseous fuel within an intake manifold. A method of metering gaseous fuel in an intake manifold having a gaseous fuel supply coupled to a fuel injector is also described.
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