Fuel injection nozzles

Details Fuel injection nozzles Fuel injection nozzles

1987-11-24

1989-08-01

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Injection nozzle having capillary type feed passages

239104, 2395339, 239575, B29C 4520, B05B 128

Patent

active

048528030

ABSTRACT:
A fuel injection nozzle for an internal combustion engine includes a valve member which is slidable in a nozzle body. The body is provided with a bore in which is formed a seating and to support the valve member there is provided a sleeve which is an interference fit within a wider portion of the bore. Fuel under pressure is conveyed by grooves defined on the outer surface of the sleeve from a nozzle inlet and the fuel flows from the grooves through slits formed in the sleeve, to a space defined between the valve member and the bore. The pressure of fuel acts on the valve member to lift the valve member from the seating and the slits are sufficiently narrow to retain particles of dirt entrained in the fuel.

REFERENCES:
patent: 1990875 (1935-02-01), Mock
patent: 2896856 (1959-07-01), Kravits
patent: 4434976 (1984-03-01), Murakami
patent: 4635853 (1987-01-01), Mowbray

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