Canister purge valve with resilient armature

Details Canister purge valve with resilient armature Canister purge valve with resilient armature

1988-08-18

1989-09-26

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

25112917, F16K 3106

Patent

active

048694614

ABSTRACT:
A flow rate valve comprising a non-magnetic housing comprising a central cavity and a pressure chamber, first and second ports extending into the pressure chamber, the interior end of the first port forming a valve seat. A bobbin is received within the cavity including a coil and a central blind bore enclosed at one end. The bobbin and housing including opposingly situated circumferential grooves. An armature assembly comprising a cylindrical armature within the bore, and a valve element movable with the armature between first and second positions, for opening and closing the valve seat and a motion limiter for limiting armature motion to prevent same from impacting the bottom of the bore in response to a magnetic field generated by the coil.

REFERENCES:
patent: 3034761 (1962-05-01), Janquart
patent: 3441246 (1969-04-01), Lauppe et. al.
patent: 4449691 (1984-05-01), Fuhrer et al.
patent: 4582088 (1986-04-01), Cook et al.

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