Provided is a sprinkler configured for irrigation of a predetermined area, the sprinkler including a sprinkler body having a central axis. The body is formed with an irrigation inlet configured for receiving irrigation fluid, and a nozzle configured for discharging therethrough a directional jet of
Provided is a sprinkler configured for irrigation of a predetermined area, the sprinkler including a sprinkler body having a central axis. The body is formed with an irrigation inlet configured for receiving irrigation fluid, and a nozzle configured for discharging therethrough a directional jet of the irrigation fluid. The sprinkler further includes a reciprocal element configured for performing a reciprocal rotary motion about the central axis, and a deflecting member including an attachment mechanism for fixed attachment thereof to the reciprocal element. The deflecting member is formed with at least a first deflective surface, and is configured for performing a reciprocal rotary motion about the central axis together with the reciprocal element. The deflecting member is configured to assume at least a first position with respect to the nozzle in which a first portion thereof faces the nozzle, by virtue of which the directional jet is emitted from the sprinkler at a first angle, and at least a second position with respect to the nozzle in which a second portion thereof faces the nozzle, by virtue of which the directional jet is emitted from the sprinkler at a second angle different from the first angle.
대표청구항▼
1. A sprinkler configured for irrigation of a predetermined area, said sprinkler comprising: a sprinkler body having a central axis, and formed with a an irrigation inlet configured for receiving irrigation fluid, and a nozzle configured for discharging there through a directional jet of said irriga
1. A sprinkler configured for irrigation of a predetermined area, said sprinkler comprising: a sprinkler body having a central axis, and formed with a an irrigation inlet configured for receiving irrigation fluid, and a nozzle configured for discharging there through a directional jet of said irrigation fluid, said sprinkler further comprising a reciprocal element configured for performing a reciprocal rotary motion about said central axis, and a deflecting member comprising an attachment mechanism for fixed engagement thereof with said reciprocal element, and at least a first deflective surface, said deflecting member being configured for performing a reciprocal rotary motion about said central axis together with said reciprocal element, said deflecting member having a first portion and a second portion, said second portion being angled relative to said first portion and circumferentially spaced from said first portion about the central axis,wherein said deflecting member is configured to assume at least a first position with respect to said nozzle in which said first portion faces said nozzle, by virtue of which the directional jet emitted from said sprinkler and impinging on said first portion is deflected at a first angle yielding a first irrigation range of the sprinkler, and at least a second position with respect to said nozzle in which said second portion faces said nozzle, by virtue of which the directional jet emitted from the sprinkler and impinging on said second portion is deflected at a second angle different from the first angle, yielding a second irrigation range different than the first irrigation range. 2. A sprinkler according to claim 1, wherein the deflective surface of said deflecting member is disposed above said nozzle in a position angled thereto, configured for downward deflection of a directional jet emitted therefrom. 3. A sprinkler according to claim 1, wherein the deflective surface of said deflecting member is disposed in front of said nozzle, configured for dividing a directional jet emitted therefrom into a first jet portion and a second jet portion each having a different angle with respect to the central axis along a plane on which said central axis lies. 4. A sprinkler according to claim 1, wherein said deflective surface is configured for deflecting said directional jet at a variable angle depending on the point of impact thereof on the deflective surface and the angular position of said reciprocal element. 5. A sprinkler according to claim 4, wherein said deflective surface is a continuous non-planar deflective surface having multiple curvature radii, configured for deflecting said directional jet at a variable angle depending on the point of impact thereof on the deflective surface and the angular position of said reciprocal element. 6. A sprinkler according to claim 4, wherein said deflective surface comprises a plurality of deflective sub-surfaces, said deflective surface being configured for deflecting said directional jet at a variable angle depending on the sub-surface impacted by said jet. 7. A sprinkler according to claim 1, wherein said deflecting member comprises a clearance portion such that when said reciprocal element is angularly displaced to a predetermined clearance position, a clearance exists along the circumferential direction between a deflective wall of said reciprocal element and the deflective surface of said deflecting member. 8. A sprinkler according to claim 1, wherein said deflective surface is made of a flexible material attached to a rigid deflecting member. 9. A sprinkler according to claim 8, wherein said rigid deflecting member comprises a plurality of flexible deflective surfaces. 10. A sprinkler according to claim 9, wherein said deflective surface is configured for deflecting said directional jet at a variable angle depending on the point of impact thereof on the deflective surface and the angular position of said reciprocal element. 11. A sprinkler according to claim 10, wherein said deflective member is further configured for deflecting said directional jet at a variable angle depending on the change of shape of said flexible deflective surface. 12. A sprinkler according to claim 1, wherein said sprinkler is an impact sprinkler, and wherein said reciprocal element is a hammer constituting a part of a motion generating mechanism of said impact sprinkler. 13. A deflecting member for a reciprocal element of a sprinkler configured for emitting a directional jet through a nozzle thereof, said deflecting member comprising a body formed with at least a first deflective surface having a first portion and a second portion, said second portion being angled relative to said first portion and circumferentially spaced from said first portion about the central axis, said deflecting member further comprising an attachment mechanism configured for attachment thereof to said reciprocal element, said first deflective surface is configured for deflecting said jet when said deflecting member is mounted onto said sprinkler, wherein said deflecting member is configured to assume at least a first position with respect to said nozzle in which the first portion thereof faces said nozzle, by virtue of which the directional jet emitted from the sprinkler and impinging on said first portion is deflected at a first angle yielding a first irrigation range of the sprinkler, and at least a second position with respect to said nozzle in which the second portion thereof faces said nozzle, by virtue of which the directional jet emitted from the sprinkler and impinging on said second portion is deflected at a second angle, different from the first angle, yielding a second irrigation range different than the first range. 14. A deflecting member according to claim 13, wherein said deflective surface is a continuous deflective surfaces having multiple curvature radii, configured for deflecting said directional jet at a variable angle depending on the point of impact thereof on the deflective surface and the angular position of said reciprocal element. 15. A deflecting member according to claim 13, wherein said deflective surface comprises a plurality of deflective sub-surfaces, said deflective surface being configured for deflecting said directional jet at a variable angle depending on the sub-surface impacted by said jet. 16. A deflecting member according to claim 13, wherein said deflecting member comprises a clearance portion such that when mounted onto said reciprocal element, and when said reciprocal element is angularly displaced to a predetermined clearance position, a clearance exists along the circumferential direction between a deflective wall of said reciprocal element and the deflective surface of said deflecting member. 17. A sprinkler according to claim 13, wherein said deflective surface is made of a flexible material attached to a rigid deflecting member. 18. A sprinkler according to claim 17, wherein said rigid deflecting member comprises a plurality of flexible deflective surfaces. 19. A deflecting member according to claim 13, wherein said sprinkler is an impact sprinkler and said reciprocal element is a hammer constituting a part of a motion generating mechanism of said impact sprinkler.
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이 특허에 인용된 특허 (18)
Jennison James M. (Anaheim CA) Williams Henry Thomas (Corona del Mar CA), Arc-traversing water sprinkler.
Forer Karl (8291 E. Jamison Pl. Englewood CO 80112), Rotary sprinkler head having individually-adjustable deflector plates for watering irregularly-shaped areas.
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