Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Reciprocating
Patent
1997-12-23
2000-04-11
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Reciprocating
239900, B05B 130
Patent
active
060479078
ABSTRACT:
A solenoid actuated fuel injector includes a valve body, a valve seat at one end of the valve body and having a seating surface facing the interior of the valve body and including a fuel outlet opening, a fuel tube for conducting pressurized fuel into the valve body against the seating surface, a spherical valve ball moveable between a seated position against the seating surface to close the outlet opening against fuel flow, and an open position spaced from the seating surface to allow fuel flow through the outlet opening, a spring in the valve body and biasing the valve ball toward the seated position, an armature axially moveable in the valve body and including a valve ball capturing member at an end proximate the seating surface, the valve ball capturing member being engageable with the ball outer surface adjacent the seating surface, and a solenoid coil operable to draw the armature away from the seating surface, thereby moving the valve ball to the open position and allowing fuel to pass through the fuel outlet opening, deactivation of the solenoid coil allowing the biasing means to return the valve ball to the seated position against the seating surface and to align itself in the seated position, thereby closing the outlet opening against the passage of fuel. A method of assembling the solenoid actuated fuel injector includes the steps of assembling a valve group subassembly, assembling a coil group subassembly, assembling together the valve group sub-assembly and coil group subassembly, and snap fastening together cooperating snap features on the valve group and coil group subassemblies.
REFERENCES:
patent: 4564145 (1986-01-01), Takada et al.
patent: 5076499 (1991-12-01), Cranford
patent: 5211341 (1993-05-01), Wieczorek
patent: 5289627 (1994-03-01), Cerny et al.
patent: 5823446 (1998-10-01), Bennett et al.
International Search Report, Apr. 12, 1998.
Kashnikow Andres
O'Hanlon Sean P.
Siemens Automotive Corporation
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