Valve arrangement for a liquid dispensing device

Details Valve arrangement for a liquid dispensing device Valve arrangement for a liquid dispensing device

1989-09-12

1991-06-25

Hajec, Donald T.

Fluid sprinkling, spraying, and diffusing

Terminal outlet formed between parts mounted for relative...

Axially movable outlet part

23953312, 239461, B05B 134

Patent

active

050259911

ABSTRACT:
A valve arrangement for a liquid dispensing unit includes a discharge nozzle having a central bore, the bore having a central axis, an inner wall, and an edge forming a valve seat; a movable valve element cooperating with the bore to control liquid flow out of the nozzle; the valve element including a valve stem extending along the central axis; a device for reciprocally moving the valve element along the central axis; a valve base mounted at the end of the valve stem for contacting the valve seat to seal closed the nozzle, the valve base including a shear step at the outer circumferential edge thereof, and a seal area adjacent the shear step for contacting the valve seat for shutting off liquid flow when the valve is in a closed position; a plurality of arms projecting from the valve stem for guiding the valve stem with respect to the inner wall of the bore, the arms being spaced from the valve base; and a single fin extending from an outer periphery of the valve base in a direction perpendicular to the axis of the valve stem for separating the flow of the liquid as the liquid leaves the nozzle.

REFERENCES:
patent: 1640408 (1927-08-01), House
patent: 1713260 (1929-05-01), Chandler
patent: 2154875 (1939-04-01), Streby
patent: 4402461 (1983-09-01), Mosse et al.
patent: 4448008 (1984-05-01), Pankratz et al.
patent: 4648421 (1987-03-01), Chant et al.
patent: 4817688 (1989-04-01), Corniea
patent: 4840205 (1989-06-01), Drevfors et al.
patent: 4903740 (1990-02-01), Corniea et al.

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