Fluid sprinkling – spraying – and diffusing – Fluid pressure responsive discharge modifier* or flow... – Fuel injector or burner
Patent
1993-08-30
1994-10-11
Merritt, Karen B.
Fluid sprinkling, spraying, and diffusing
Fluid pressure responsive discharge modifier* or flow...
Fuel injector or burner
239599, 239601, F02M 6116
Patent
active
053539923
ABSTRACT:
A fuel injection nozzle assembly (10) for injecting fuel into the combustion chamber of an internal combustion engine. A needle (26) of the nozzle assembly is forced upwardly against the downwardly directed force of a spring (28) by the high pressure of fuel which is fed through a fuel passageway (20). The fuel is forced through nozzle discharge orifices (50) which are in fluid communication with the combustion chamber. Each of the nozzle discharge orifices (50) includes a flow control orifice portion (52) having a circular cross-section which regulates the amount of fuel which passes through the orifices (50) and a connecting dispersing portion (54) which progressively increases in area to break up and disperse the fuel into a cloud-like mist that conforms to the configuration of the combustion chamber so that there be minimized contact with the walls thereof for optimized fuel burns.
REFERENCES:
patent: 4069978 (1978-01-01), El Moussa
patent: 4699323 (1987-10-01), Ruh et al.
patent: 5163621 (1992-11-01), Kato et al.
patent: 5244154 (1993-09-01), Buchholz et al.
Chrysler Corporation
MacLean Kenneth H.
Merritt Karen B.
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