Atomizing nozzle

Claim 2

An atomizing nozzle comprising a fixed tubular spindle connected to a source of liquid chemical under pressure, a hollow body rotatably mounted on said spindle and including a discharge bell defining an inwardly converging concave wall surface merging with a cylindrical chamber, a generally conical flow divider mounted in said discharge bell and having its vertex disposed within said chamber, and a splash guard ring mounted in said chamber and circumscribing the apex portion of said flow divider, said ring defining with said apex portion an outwardly divergent annular fluid passage in general lateral alignment with the inner end portion of said concave wall surface.

Claim 3

A nozzle for atomizing liquid agricultural chemicals comprising a fixed tubular spindle connected to a source of liquid chemical under pressure, a hollow body rotatably mounted on said spindle and including an outwardly flaring discharge bell, said discharge bell being provided with an internal concave wall merging at the circular outer edge of a counterbore larger than said spindle, the end wall of said counterbore forming a radially inwardly projecting dam; a flow distributor in said bore, said distributor including a cuspidal central flow divider having its vertex disposed within the opening in the adjacent end portion of said spindle, a plurality of splines parallel to the axis of said spindle and extending in both directions Beyond said vertex, said splines encircling said flow divider and having inner ends abutting said dam; and a splash guard ring in peripheral contact with the inner surfaces of said splines, said ring having a beveled outer end face confronting said flow divider and cooperatively defining therewith an outwardly divergent fluid passage in general lateral alignment with the inner portion of said concave discharge bell wall.

Claim 4

A nozzle for atomizing liquid agricultural chemicals comprising a fixed tubular spindle connected to a source of liquid chemical under pressure, a hollow body rotatably mounted on said spindle and including an outwardly flaring discharge bell, said discharge bell being provided with an internal concave wall merging at the circular outer edge of a counterbore larger than said spindle, the end wall of said counterbore forming a radially inwardly projecting dam; a flow distributor in said bore, said distributor including a cuspidal central flow divider having its vertex disposed within the opening in the adjacent end portion of said spindle, a plurality of splines parallel to the axis of said spindle and extending in both directions Beyond said vertex, said splines encircling said flow divider and having inner ends abutting said dam; and a splash guard ring in peripheral contact with the inner surfaces of said splines, said ring having a beveled outer end face confronting said flow divider and cooperatively defining therewith an outwardly divergent fluid passage in general lateral alignment with the inner portion of said concave discharge bell wall.

Claim 5

An atomizing nozzle for liquid agricultural chemicals comprising a fixed tubular spindle defining an axis of rotation, means for directing an enveloping air blast along said spindle, an outwardly flared discharge bell having a hollow body portion mounted on said spindle for rotation about said axis, said body portion having a cylindrical inner chamber merging with said discharge bell and receiving the adjacent end of said spindle, a flow distributor centrally mounted in the chamber of said discharge bell for rotation therewith, said distributor including a generally conical wall symmetrical about said axis and converging in the same direction as said discharge bell, means for delivering a column of liquid chemical through said spindle onto the apex of said flow distributor, a splash guard ring mounted in said chamber and having an annular wall confronting the conical wall portion of said flow distributor to cooperatively define therewith an annular flow passage outwardly diverging from said axis, said flow passage delivering said liquid onto the inner surface of said discharge bell, and means connected to said discharge bell and reacting against said air blast to rotate said discharge bell, said flow distributor and said splash guard ring about said spindle axis.

Claim 6

An atomizing nozzle for liquid agricultural chemicals comprising a fixed tubular spindle defining an axis of rotation, means for directing an enveloping air blast along said spindle, an outwardly flared discharge bell having a hollow body portion mounted on said spindle for rotation about said axis, said body portion having a cylindrical inner chamber merging with said discharge bell and receiving the adjacent end of said spindle, a flow distributor centrally mounted in the chamber of said discharge bell for rotation therewith, said distributor including a generally conical wall symmetrical about said axis and converging in the same direction as said discharge bell, means for delivering a column of liquid chemical through said spindle onto the apex of said flow distributor, a splash guard ring mounted in said chamber and having an annular wall confronting the conical wall portion of said flow distributor to cooperatively define therewith an annular flow passage outwardly diverging from said axis, said flow passage delivering said liquid onto the inner surface of said discharge bell, and means connected to said discharge bell and reacting against said air blast to rotate said discharge bell, said flow distributor and said splash guard ring about said spindle axis.

Claim 7

A nozzle for atomizing liquid agricultural chemicals comprising a fixed tubular spindle connected to a source of liquid chemical, a hollow body rotatably mounted on said spindle and including an outwardly flaring discharge bell, said discharge bell being provided with an internal wall merging at the circular outer edge of a counterbore larger than said spindle, the end wall of said counterbore forming a radially inwardly projecting dam; a flow distributor in said bore, said distributor including a cuspidal central flow divider having its vertex disposed within the opening in the adjacent end portion of said spindle, a plurality of splines parallel to the axis of said spindle and extending in both directions beyond said vertex, said splines encircling said flow divider and having inner ends abutting said dam; and a splash guard ring having an annular wall confronting the base portion of said flow distributor and cooperatively defining therewith an annular flow passage outwardly diverging from said axis.

Claim 8

A nozzle for atomizing liquid agricultural chemicals comprising a fixed tubular spindle connected to a source of liquid chemical, a hollow body rotatably mounted on said spindle and including an outwardly flaring discharge bell, said discharge bell being provided with an internal wall merging at the circular outer edge of a counterbore larger than said spindle, the end wall of said counterbore forming a radially inwardly projecting dam; a flow distributor in said bore, said distributor including a cuspidal central flow divider having its vertex disposed within the opening in the adjacent end portion of said spindle, a plurality of splines parallel to the axis of said spindle and extending in both directions beyond said vertex, said splines encircling said flow divider and having inner ends abutting said dam; and a splash guard ring having an annular wall confronting the base portion of said flow distributor and cooperatively defining therewith an annular flow passage outwardly diverging from said axis.

Claim 9

Apparatus according to claim 4, wherein said hollow body defines an annular overflow chamber around the open end of said spindle, said dam and the adjacent end portions of said splines being located in said chamber, and wherein said hollow body includes a plurality of circumferentially spaced radial drain holes communicating with atmosphere and said overflow chamber.

Claim 10

Apparatus according to claim 5, and a sealing ring mounted on said spindle and located within said overflow chamber, and a tube carried by said rotatable body and masking that portion of said spindle which is located in said overflow chamber, said tube having a tapered exterior surface converging toward said sealing ring and an end surface in sealing engagement with an end surface of said sealing ring, the larger end portion of said tapered surface being radially aligned with said drain holes.

Claim 11

Apparatus according to claim 5, and a sealing ring mounted on said spindle and located within said overflow chamber, and a tube carried by said rotatable body and masking that portion of said spindle which is located in said overflow chamber, said tuber having an end surface in sealing relation with an end surface of said sealing ring.

Claim 12

Apparatus according to claim 7, and means confining an enveloping air blast axiAlly along said spindle, a plurality of vanes circumscribing said body, and a radially extending pivot connecting each vane to said body, the angles of incidence of said vanes thus being adjustable relative to the air blast to rotate the nozzle at predetermined speed in an air blast of given velocity.

Claim 13

A nozzle for atomizing liquid agricultural chemicals comprising a fixed tubular spindle connected to a source of liquid chemical under pressure, a hollow body rotatably mounted on said spindle and including an outwardly flaring discharge bell, said discharge bell being provided with an internal concave wall merging at the circular outer edge of a counterbore larger than said spindle, the end wall of said counterbore forming a radially inwardly projecting dam; a flow distributor in said bore, said distributor including a cuspidal central flow divider, a plurality of splines parallel to the axis of said spindle, said splines encircling said flow divider; and a splash guard ring in peripheral contact with the inner surfaces of said splines, said ring having a beveled outer end face confronting said flow divider and cooperatively defining therewith an outwardly divergent fluid passage.

Claim 14

A nozzle for atomizing liquid agricultural chemicals comprising a fixed tubular spindle connected to a source of liquid chemical under pressure, a hollow body rotatably mounted on said spindle and including an outwardly flaring discharge bell, said discharge bell being provided with an internal concave wall merging at the circular outer edge of a counterbore larger than said spindle, the end wall of said counterbore forming a radially inwardly projecting dam; a flow distributor in said bore, said distributor including a cuspidal central flow divider, a plurality of splines parallel to the axis of said spindle, said splines encircling said flow divider; and a splash guard ring in peripheral contact with the inner surfaces of said splines, said ring having a beveled outer end face confronting said flow divider and cooperatively defining therewith an outwardly divergent fluid passage.

Claim 15

A nozzle for atomizing liquid agricultural chemicals comprising a fixed tubular spindle connected to a source of liquid chemical, a hollow body rotatably mounted on said spindle and including an outwardly flaring discharge bell, said discharge bell being provided with an internal wall merging at the circular outer edge of a counterbore larger than said spindle, the end wall of said counterbore forming a radially inwardly projecting dam; a flow distributor in said bore, said distributor including a cuspidal central flow divider, a plurality of splines parallel to the axis of said spindle, said splines encircling said flow divider and having inner ends abutting said dam; and a splash guard ring having an annular wall confronting the base portion of said flow distributor and cooperatively defining therewith an annular flow passage outwardly diverging from said axis.

Claim 16

A nozzle for atomizing liquid agricultural chemicals comprising a fixed tubular spindle connected to a source of liquid chemical, a hollow body rotatably mounted on said spindle and including an outwardly flaring discharge bell, said discharge bell being provided with an internal wall merging at the circular outer edge of a counterbore larger than said spindle, the end wall of said counterbore forming a radially inwardly projecting dam; a flow distributor in said bore, said distributor including a cuspidal central flow divider, a plurality of splines parallel to the axis of said spindle, said splines encircling said flow divider and having inner ends abutting said dam; and a splash guard ring having an annular wall confronting the base portion of said flow distributor and cooperatively defining therewith an annular flow passage outwardly diverging from said axis.

Claim 17

Apparatus according to claim 7, wherein the nozzle is positioned in an air blast flowing axially along said spindle, a plurality of vanes circumscribing said body, and a radially extending pivot connecting each vane to said body, the angles of incidence of said vanes thus being adjustable relative to the air blast to rotate the nozzle at predetermined speed in an air blast of given velocity.

Claim 18

Apparatus according to claim 1, wherein said flow divider is of cuspidal form and the apex portion thereof is disposed within the opening in the adjacent end portion of said spindle.