Valves and valve actuation – Electrically actuated valve – Including solenoid
Patent
1988-04-29
1989-11-07
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Including solenoid
251 50, 335258, F16K 3106
Patent
active
048786500
ABSTRACT:
An electro-mechanical fuel injector comprising: a housing and valve seat including a valve setting surface and a metering orifice disposed at a lower end of the housing. An armature assembly is movable relative to the valve seating surface for opening and closing the metering orifice and includes an armature and a pin extending therefrom and adapted to engage the seating surface; a coil assembly and spring are provided to move the armature assembly in a direction to open and close the metering orifice. The injector includes a fluid chamber defined upstream of the metering orifice, in surrounding relation to a portion of the armature assembly. A damping assembly is also provided, movable with the armature assembly, for generating a viscous shear damping force by interacting with the wall of the chamber.
Brooks Mark A.
Cerny Mark S.
Daly Paul D.
Fallis Robert E.
Allied-Signal Inc.
Rosenthal Arnold
Seitzman Markell
Wells Russel C.
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