Internal-combustion engines – Charge forming device – Auxiliary air or gas used to inject fuel
Patent
1989-11-06
1991-10-08
Miller, Carl Stuart
Internal-combustion engines
Charge forming device
Auxiliary air or gas used to inject fuel
123470, 261360, 239600, F02M 2300, F02M 5502
Patent
active
050544560
ABSTRACT:
A fuel injection assembly for an engine comprises a fuel injector having an injector outlet and a nozzle having a nozzle passage with a nozzle inlet and outlet. The nozzle passage includes a converging portion adjacent the nozzle inlet and a diverging portion adjacent the nozzle outlet. The fuel injection assembly further comprises a nozzle support for attaching the nozzle to the fuel injector so that the injector outlet registers with the nozzle passage adjacent the nozzle inlet enabling injection of fuel from the fuel injector into the nozzle passage. The nozzle has a nozzle port adjacent the nozzle inlet enabling the establishment of an air flow which enters the nozzle passage adjacent the nozzle inlet and exits the nozzle passage through the nozzle outlet. At least a portion of the air flow in the nozzle passage is sonic enabling the fuel injected into the nozzle passage to mix with the sonic air flow and be carried by it through the nozzle passage and the nozzle outlet.
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Elder Jack E.
Rush, II William B.
Belcher Gordon F.
General Motors Corporation
Miller Carl Stuart
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