Fuel injector assembly and calibration method

Details Fuel injector assembly and calibration method Fuel injector assembly and calibration method

1992-12-18

1994-03-01

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

2395855, 25112921, H01F 4102

Patent

active

052896277

ABSTRACT:
An improved fuel injector for an internal combustion engine generating very fine atomization of fuel even at initiation of the valve opening event and including a cylindrical valve element terminating in a semi-spherical end portion which engages a valve seat to close the injector, fuel quantity being controlled by cycling the valve alternately between opened and closed positions at a desired variable rate. Improved fuel atomization is generated by providing an annular space upstream of the valve seat, this annular space being so narrow and short as not to form a significant volume of motionless fuel when the valve is closed which would generate large fuel particles upon initiation of valve opening.

REFERENCES:
patent: 4231525 (1980-11-01), Palma
patent: 4245789 (1981-01-01), Gray
patent: 4247052 (1981-01-01), Gray
patent: 4331317 (1982-05-01), Kamai
patent: 4342427 (1982-08-01), Gray
patent: 4520962 (1985-06-01), Momono
patent: 5189782 (1993-03-01), Hickey

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