Fluid sprinkling – spraying – and diffusing – Flow deflecting or rotation controlling means – Fluid rotation inducing means upstream of outlet
Patent
1980-11-28
1982-11-23
Love, John J.
Fluid sprinkling, spraying, and diffusing
Flow deflecting or rotation controlling means
Fluid rotation inducing means upstream of outlet
239585, B05B 134
Patent
active
043601618
ABSTRACT:
A high flow rate electromagnetic fuel injector valve with a rapid response time is disclosed for utilization in electronic fuel injection systems. The fuel injector valve comprises a stator means and a valve assembly having a self-centering valve member reciprocally mounted in a valve housing. The valve member consists of a ball valve with a semispherical sealing surface connected by a stem to a magnetically attractable cup-shaped armature. The armature is preferably coated with a friction reducing material where it slideably contacts an armature guide bore of the injector valve during its reciprocation. The ball valve of the valve member obturates an exit orifice of the valve housing by sealing against a conical valve seat which has been coined to receive it. Adjacent to the ball valve and conical valve seat interface are vortex generating and metering orifices for the tangential entry of fuel into a swirl chamber of the valve housing. The positioning of the metering orifices, which are precisely sized by ballizing to control flow rate, is used to regulate the injector spray angle generated by the vortex of fuel entering the swirl chamber. The conical surface of the valve seat produces vortex amplification to further increase the swirl effect caused by the positioning of the entry orifices.
REFERENCES:
patent: 3949938 (1976-04-01), Goodinge
patent: 4101074 (1978-07-01), Kiwior
Blatter Albert
Casey Gary L.
Claxton William B.
Miller John A.
Church Gene A.
Love John J.
The Bendix Corporation
Wells Russel C.
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