SPRAY APPARATUS FOR SPRAYING HERBICIDES, INSECTICIDES AND THE LIKE

• US 3,762,649 A
• Filed: 12/08/1971
• Issued: 10/02/1973
• Est. Priority Date: 12/08/1971
• Status: Expired due to Term

• Current Assignee: Robert R. Dalhaus
• Original Assignee: Robert R. Dalhaus
• Inventors: Dalhaus, Robert R.
• Primary Examiner(s): Wood, Jr., M. Henson
• Assistant Examiner(s): Love, John J.
• Application Number:
  US05/206,095
• Time in Patent Office: 664 Days
• Field of Search: 239/171,552,553,5,554,555,391
• US Class Current: 239/391
• CPC Class Codes: B05B 1/14 with multiple outlet openings B05B1/02, B05B1/26 take precedence; with strainers in or outside the outlet opening
• CPC Class Codes: B64D 1/18 by spraying, e.g. insecticides spraying apparatus per se B05B

Abstract

A spray apparatus for spraying herbicides, insecticides and the like from a vehicle in movement through air is provided having an air deflecting configuration for deflecting an air stream outwardly around the apparatus, and liquid passing through the apparatus is discharged in a manner to produce a plurality of uniform jets directed outwardly and transversely to the air stream. The spray apparatus includes a housing having means for producing a turbulent flow of liquid therethrough and means for directing the turbulent flow of liquid to a plurality of discharge openings spaced in an annular array around the apparatus.

Claims

1. A spray apparatus comprising:

a diffuser housing having a liquid receiving passage at one end, a spray retainer member releasably supported at another end of the diffuser housing, the diffuser housing and spray retainer member providing a distribution chamber receiving liquid from the liquid receiving passage, and dispensing means for discharge of liquid from the apparatus and including discharge openings, the distribution channel directing liquid to the discharge openings to produce jets of liquid directed outwardly from the apparatus, the dispensing means comprising an annular flow regulating member supported between the diffuser housing and spray retainer member, the flow regulating member having a plurality of radially extending grooves providing the discharge openings uniformly spaced around one side of the flow reGulating member and having another plurality of radially extending grooves providing another set of the discharge openings uniformly spaced around another side opposite the one side of the flow regulating member, the set of grooves on the one side of the flow regulating member being of a different size from the set of grooves on the another side of the flow regulating member to vary the volume of liquid flow through the grooves on each side of the flow regulating member, the flow regulating member being supported between the diffuser housing and spray retainer member such that only one set of grooves is positioned to be effective to pass liquid, whereby when the spray retainer member is released and removed, the flow regulating member may be removed and reversed in position to cause a different set of grooves to direct liquid from the apparatus.

2. A spray apparatus comprising:

a diffuser housing having a liquid receiving passage at one end, a spray retainer member releasably supported at another end of the diffuser housing, the diffuser housing and spray retainer member providing a distribution channel receiving liquid from the liquid receiving passage, and dispensing means for discharge of liquid from the apparatus and including discharge openings, the distribution channel directing liquid to the discharge opening to produce jets of liquid directed outwardly from the apparatus, the dispensing means including a plurality of radially extending grooves providing the discharge openings uniformly spaced around an annular surface on one side of the spray retainer member and including another plurality of radially extending grooves providing another set of the discharge openings uniformly spaced around an annular surface on the other side opposite the one side of the spray retainer member, the sets of grooves on the one side of the spray retainer member being of a different size from the set of grooves on the other side of the spray retainer member to vary the volume of liquid flow through the grooves on each side of the spray retainer member, the spray retainer member being supported with respect to the diffuser housing such that only one set of grooves is positioned to be effective to pass liquid, whereby the spray retainer member may be removed and reversed in position to cause a different set of grooves to direct liquid from the apparatus.

3. The spray apparatus of claim 2 in which the spray retainer member is supported adjacent the another end of the diffuser housing such that one of the annular surfaces having grooves of the spray retainer member abuts an annular surface of the diffuser housing.

4. A spray apparatus for spraying herbicides, insecticides and the like from a vehicle in movement through air, comprising:

a diffuser housing having a front end and a back end, the diffuser housing having a liquid receiving passage in the front end and having a peripheral surface in an air deflecting configuration for deflecting an air stream outwardly around the back of the diffuser housing as the vehicle moves through the air, a spray retainer member releasably supported at the back end of the diffuser housing, the diffuser housing and spray retainer member forming a distribution channel receiving liquid from the liquid receiving passage, and dispensing means for discharge of liquid from the apparatus and including discharge openings, the distribution channel directing liquid to the discharge openings to produce uniform jets of liquid directed outwardly and transversely to the air stream, the dispensing means comprising an annular flow regulating member supported between the diffuser housing and spray retainer member, the flow regulating member having a plurality of radially extending grooves providing the discharge openings uniformly spaced around one side of the flow regulating member and having another plurality of radially extending grooves providing another set of the discharge openings uniformly spaced around another side opposite the one side of the flow regulating membeR, the set of grooves on the one side of the flow regulating member being of a different size from the set of grooves on the another side of the flow regulating member to vary the volume of liquid flow through the grooves on each side of the flow regulating member, the flow regulating member being supported between the diffuser housing and spray retainer member such that only one set of grooves is positioned to be effective to pass liquid, whereby when the spray retainer member is released and removed, the flow regulating member may be removed and reversed in position to cause a different set of grooves to direct liquid from the apparatus.

5. A spray apparatus for spraying herbicides, insecticides and the like from a vehicle in movement through air, comprising:

a diffuser housing having a front end and a back end, the diffuser housing having a liquid receiving passage in the front end and having a peripheral surface in an air deflecting configuration for deflecting an air stream outwardly around the back of the diffuser housing as the vehicle moves through the air, and a spray retainer member releasably supported at the back end of the diffuser housing, the diffuser housing and spray retainer member forming a distribution channel receiving liquid from the liquid receiving passage, and dispensing means for discharge of liquid from the apparatus and including discharge openings, the distribution channel directing liquid to the discharge openings to produce uniform jets of liquid directed outwardly and transversely to the air stream, the dispensing means including a plurality of radially extending grooves providing the discharge openings uniformly spaced around an annular surface on one side of the spray retainer member and including another plurality of radially extending grooves providing another set of the discharge openings uniformly spaced around an annular surface on the other side opposite the one side of the spray retainer member, the sets of grooves on the one side of the spray retainer member being of a different size from the set of grooves on the other side of the spray retainer member to vary the volume of liquid flow through the grooves on each side of the spray retainer member, the spray retainer member being supported with respect to the diffuser housing such that only one set of grooves is positioned to be effective to pass liquid, whereby the spray retainer member may be removed and reversed in position to cause a different set of grooves to direct liquid from the apparatus.

6. A spray apparatus comprising:

a diffuser housing having a liquid receiving passage and having a back portion, and a spray retainer member releasably supported at the back portion of the diffuser housing, the diffuser housing and spray retainer member providing a distribution channel receiving liquid from the liquid receiving passage, the spray retainer member having a plurality of grooves spaced around an annular surface on one side of the spray retainer member and having another plurality of grooves spaced around an annular surface on another side of the spray retainer member, the sets of grooves on the one side and the another side being of different size, the spray retainer member being supported such that only one set of grooves is positioned to be effective to discharge liquid received from the distribution channel, whereby the spray retainer member may be removed and reversed in position to cause the other set of grooves to direct liquid from the apparatus.

7. The spray apparatus of claim 6 in which the plurality of grooves of each set of grooves are provided by an annular array of radially extending grooves uniformly spaced around the annular surfaces on opposite sides of the spray retainer member, each set of grooves when in operative position directing jets of liquid generally radially outwardly from the apparatus.

8. The spray apparatus of claim 6 in which the apparatus is used for spraying liquid from a vehicle, and the diffuser housing has a peripheral surface in an air deflecting configuration for deflecting an air stream outwardly around the diffuser housing as a vehicle moves through the air, each set of grooves when in operative position directing liquid outwardly and transversely to the air stream.

9. The spray apparatus of claim 8 in which the air deflecting peripheral surface of the diffuser housing is frustoconical in form and diverging outwardly from a plane normal to an axia from front to back of the diffuser housing at a substantial angle between zero and 90* to the axis.

10. A spray apparatus comprising:

a diffuser housing having a liquid receiving passage and having a back portion, a spray retainer member releasably supported at the back portion of the diffuser housing, and dispensing means between the diffuser housing and spray retainer member for discharge of liquid from the apparatus and receiving liquid from the liquid receiving passage, the dispensing means including a flow regulating member supported between the diffuser housing and spray retainer member, the flow regulating member having on one side a plurality of grooves spaced around an annular surface and having on another side another set of grooves spaced around an annular surface, the sets of grooves on the one side and the another side being of different size, the flow regulating member being supported such that only one set of grooves is positioned to be effective to discharge liquid received from the distribution channel, whereby when the spray retainer member is released and removed, the flow regulating member may be removed and reversed in position to cause the other set of grooves to direct liquid from the apparatus.

11. The spray apparatus of claim 10 in which the plurality of grooves of each set of grooves are provided by an annular array of radially extending grooves uniformly spaced around the annular surfaces on opposite sides of flow regulating member, each set of grooves when in operative position directing jets of liquid generally radially outwardly from the apparatus.

12. The spray apparatus of claim 10 in which the apparatus is used for spraying liquid from a vehicle, and the diffuser housing has a peripheral surface in an air deflecting configuration for deflecting an air stream outwardly around the diffuser housing as the vehicle moves through the air, each set of grooves when in operative position directing liquid out-wardly and transversely to the air stream.

13. The spray apparatus of claim 12 in which the air deflecting peripheral surface of the diffusers housing is frustoconical in form and diverging outwardly from a plane normal to an axis from front to back of the diffuser housing at a substantial angle between zero and 90* to the axis.