Fuel injection nozzle for internal combustion engines

Details Fuel injection nozzle for internal combustion engines Fuel injection nozzle for internal combustion engines

1983-08-12

1985-06-18

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

F02M 6106

Patent

active

045237190

ABSTRACT:
A fuel injection nozzle for internal combustion engines, having a valve seat that is part of the housing and a valve needle, which has a conical throttling pintle, which during a first partial stroke of the valve needle dips into a conical injection port. The valve seat is formed inside the injection port and the sealing face or sealing edge of the valve needle merges in an unstepped manner with the throttling pintle, the conical angle of which is only slightly larger than the conical angle of the injection port. As a result of this disposition, a sealed closure of the injection port is attained, and carbonization of the throttle gap is substantially avoided.

REFERENCES:
patent: 2927737 (1960-03-01), Zeuch et al.
patent: 4106702 (1978-08-01), Gardner et al.
patent: 4213568 (1980-07-01), Hofmann

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