Water deflection assembly

• US 7,552,877 B2
• Filed: 11/03/2005
• Issued: 06/30/2009
• Est. Priority Date: 11/03/2004
• Status: Expired due to Fees

• Current Assignee: Nelson Irrigation Corporation
• Original Assignee: Nelson Irrigation Corporation
• Inventors: Grant, Stuart Francis
• Primary Examiner(s): Tran; Len
• Assistant Examiner(s): MCGRAW, TREVOR EDWIN
• Application Number:
  US11/266,054
• Publication Number:
  US 20060091232A1
• Time in Patent Office: 1,335 Days
• Field of Search: 239/380, 239/381, 239/382, 239/383, 239/389, 239/DIG.11, 239/222.11, 239/222.15, 239/222.17, 239/16, 239/17, 239/25, 239/26, 239/27, 239/29.3, 239/289, 239/146, 446/236, 446/129
• US Class Current: 239/222.15
• CPC Class Codes: B05B 3/006 using induced currents; using magnetic means
• CPC Class Codes: B05B 3/008 comprising a wobbling or nutating element, i.e. rotating about an axis describing a cone during spraying B05B3/0463 takes precedence
• CPC Class Codes: B05B 3/0486 the spray jet being generated by a rotary deflector rotated by liquid discharged onto it in a direction substantially parallel its rotation axis

Abstract

According to one aspect of the present invention, a system for deflecting and distributing liquid from a liquid source is provided. The system comprises a dispersing element disposed along an elongated member, and a retaining structure adapted to enclose at least a portion of the elongated member. The dispersing element further comprises a series of diagonal, spaced grooves configured to receive and deflect the liquid. The dispersing element and the elongated member are configured to rotate and precess relatively freely within the retaining structure.

Claims

1. A device for dispersing liquid, comprising:

an elongated member;

a dispersing element attached to the elongated member;

at least one deflecting groove situated on the dispersing element;

at least one retaining structure surrounding the elongated member and confining movement of the elongated member;

at least one set of magnets maintaining the elongated member above a base surface and within the at least one retaining structure, said one set of magnets including a first magnet having a first polarity provided on the base surface;

a second magnet having a second polarity attached to the elongated member such that said first and second polarities oppose each other;

wherein liquid directed towards the dispersing element is deflected by the at least one deflecting groove in a generally radial direction away from the dispersing element;

wherein the deflection of the liquid away from the dispersing element causes the dispersing element and the elongated member to rotate about a common longitudinal axis;

wherein the rotation of the dispersing element and the elongated member causes the elongated member to precess within the at least one retaining structure; and

wherein the liquid contacts the dispersing element as it precesses, causing the liquid to be distributed throughout a generally circular area around the device.

2. The device as claimed in claim 1, further comprising a base comprising said base surface and connected to the retaining structure.

3. The device as claimed in claim 1, wherein the dispersing element has a conical shape.

4. The device as claimed in claim 1, wherein the retaining structure comprises at least one ring.

6. The device as claimed in claim 1, wherein at least one magnet is provided on a lower end of the elongated member.

7. The device as claimed in claim 1, further comprising a supporting pole connecting the base surface to the retaining structure.

5. A device for dispersing liquid, comprising:

an elongated member;

a dispersing element attached to the elongated member;

at least one deflecting groove situated on the dispersing element;

at least one retaining structure surrounding the elongated member and confining movement of the elongated member;

at least one set of magnets maintaining the elongated member above a base surface and within the at least one retaining structure, said one set of magnets including a first magnet having a first polarity provided on the base surface;

a second magnet having a second polarity attached to the elongated member such that said first and second polarities oppose each other;

wherein liquid directed towards the dispersing element is deflected by the at least one deflecting groove in a generally radial direction away from the dispersing element;

wherein the deflection of the liquid away from the dispersing element causes the dispersing element and the elongated member to rotate about a common longitudinal axis;

wherein the rotation of the dispersing element and the elongated member causes the elongated member to precess within the at least one retaining structure; and

wherein the liquid contacts the dispersing element as it precesses, causing the liquid to be distributed throughout a generally circular area around the device;

wherein the retaining structure comprises at least one upper retaining ring and at least one lower retaining ring oriented along the same longitudinal axis; and

wherein the dispersing element is situated above the at least one upper retaining ring.

8. A device for dispersing liquid, comprising:

An elongated member;

a dispersing element provided on the elongated member; and

a retaining structure for supporting the elongated member;

wherein liquid directed towards the dispersing element is deflected by the dispersing element in a generally radial direction away from the dispersing element;

wherein the deflection of the liquid away from the dispersing element causes the dispersing element and the elongated member to rotate about a common longitudinal axis;

wherein the rotation of the dispersing element and the elongated member causes the elongated member to precess within the retaining structure; and

wherein the liquid contacts the dispersing element as it precesses, causing the liquid to be distributed throughout a generally circular area around the device; and

wherein the elongated member is maintained above a base surface using at least one set of oppositely oriented magnets.

9. The device as claimed in claim 8, wherein the dispersing element comprises at least one deflecting groove.

10. The device as claimed in claim 8, wherein the dispersing element has a conical shape.

11. The device as claimed in claim 8, wherein the at least one set of oppositely oriented magnets comprises a first magnet situated on the elongated member and a second magnet situated near the first magnet and oriented to oppose the magnetic field of the first magnet.

12. The device as claimed in claim 11, wherein the second magnet is incorporated into at least a portion of the retaining structure.

13. The device as claimed in claim 8, wherein the elongated member is hollow, having a first opening and a second opening;

wherein the dispersing element is situated on the interior of the hollow elongated member near the second opening;

wherein liquid directed through the first opening of the hollow elongated member contacts the dispersing element and is deflected by at least one deflecting groove in a generally radial direction away from the elongated member through the second opening in the elongated member.

14. A sprinkler device comprising:

a liquid outlet adapted to be connected to a source of liquid under pressure;

a first member having a liquid dispensing element attached at one end thereof, said dispensing element located proximate said liquid outlet and having at least one groove therein;

said first member and said water dispensing element having a support structure enabling both spinning and wobbling motion when liquid from said liquid outlet impinges on said dispensing element;

a pair of magnets including a first magnet mounted on said first member and a second magnet mounted a portion of said support structure proximate said first magnet, with like poles of said first and second magnets opposing each other to create a repelling force that causes said first member to resist movement in a direction towards said second magnet; and

wherein said repelling force is in a direction substantially opposite a direction of flow of liquid from said liquid outlet, said flow of liquid causing said first member to move towards said second magnet thereby increasing said repelling force.

15. The sprinkler device of claim 14 wherein said dispensing element has a plurality of grooves therein shaped and arranged to cause said dispensing element to spin about its own axis when liquid impinges on said dispensing element.

16. The sprinkler device of claim 14 wherein said dispensing element and said first member spin about a common axis.

17. The sprinkler device of claim 14 wherein said first and second magnets are generally axially spaced.

18. The sprinkler device of claim 14 wherein said first and second magnets are located to one side of said support structure.

19. A liquid deflection assembly comprising a moveable component mounting a liquid dispensing element;

at least one fixed component loosely supporting said first component and shaped so as to permit said first moveable component and said liquid dispensing element to simultaneously spin and precess when a liquid impinges on said dispensing element;

a first magnet supported on said moveable component and a second magnet supported on said fixed component, said first and second magnets having like poles facing each other and positioned so as to establish a repelling force on said moveable component in a direction substantially opposite a direction of flow of liquid from said liquid outlet, such that the flow of liquid increases the repelling force, and wherein said repelling force serves to tilt said moveable component relative to said fixed component.

20. The sprinkler device of claim 19 wherein said dispensing element has a plurality of grooves therein shaped and arranged to cause said dispensing element to spin about an axis of said dispensing element when liquid impinges on said dispensing element.

21. The sprinkler device of claim 19 wherein said dispensing member and said moveable component spin about a common axis.

22. The sprinkler device of claim 19 wherein said first and second magnets are generally axially spaced.

23. The sprinkler device of claim 19 wherein both magnets are located to one side of said fixed component.