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1. WO2020141529 - FLUID MONITORING SYSTEM AND SUPPORT ARRANGEMENT THEREOF

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[ EN ]

CLAIMS:

1. A support arrangement configured for being secured within a vertical shaft and for facilitating positioning of a fluid monitor suspended therefrom, the support arrangement comprising:

• an attachment arrangement configured to be secured to a vertical access shaft of an open channel fluid transport system;

• a cross-rail assembly comprising a cross-rail and being configured to be mounted to the attachment arrangement for being supported thereby; and

• a lifting assembly mounted on said cross-rail and configured for suspension therefrom of the fluid monitor along a vertically-extending suspension axis; wherein said cross-rail is configured to be rotatable about a vertical axis when at least partially received within the attachment arrangement; and

wherein said lifting assembly is configured to be selectively secured to one of a plurality of lateral positions along the length of the cross-rail.

2. The support arrangement according to claim 1 , wherein said cross-rail assembly further comprises an arcuate mounting component configured to engage with said attachment arrangement for securing thereby and the rotation about the vertical axis.

3. The support arrangement according to claim 2, wherein said mounting component comprises a lip configured to lie on said attachment arrangement.

4. The support arrangement according to claim 3, wherein said lip and attachment arrangement are configured to resist rotation of the cross-rail assembly when it is supported by the attachment arrangement.

5. The support arrangement according to any one of claims 2 through 4, wherein said cross-rail is rigidly connected to said mounting component.

6. The support arrangement according to any one of the preceding claims, wherein the lifting assembly and cross-rail are configured to facilitate slidable mounting of the lifting assembly to the cross-rail.

7. The support arrangement according to any one of the preceding claims, further comprising an arresting mechanism configured to secure the lifting assembly at one of said lateral positions.

8. The support arrangement according to claim 7, wherein said arresting mechanism comprises a set screw configured to mate with one of the lifting mechanism or the cross-rail, and to be tightened to bear against the other of the lifting mechanism or the cross-rail.

9. The support arrangement according to claim 7, wherein said arresting mechanism comprises a snug fit between the lifting assembly and the cross-rail. 10. The support arrangement according to claim 7, wherein said arresting mechanism comprising a plurality of apertures formed along the length of the cross-rail and each corresponding to one of said lateral positions, and further comprises a pin configured to mate with one of the apertures and to arrest movement of the lifting assembly.

11. The support arrangement according to any one of the preceding claims, wherein said cross-rail intersects said vertical axis.

12. The support arrangement according to any one of claims 1 through 10, wherein said cross-rail is offset from said vertical axis.

13. The support arrangement according to claim 12, wherein said lifting assembly and cross-rail are configured such that, in at least one of said plurality of positions, the suspension axis is coincident with the vertical axis.

14. The support arrangement according to any one of the preceding claims, wherein said attachment arrangement comprises a plurality of attachment elements.

15. The support arrangement according to claim 14, wherein each of said attachment elements comprises one or more mounting apertures for receipt therethrough of a connection element.

16. The support arrangement according to claim 15, wherein each of said attachment elements comprises an elongate member with a mounting plate pivotally articulated to an upper end thereof, said mounting apertures being formed in said mounting plate.

17. The support arrangement according to any one of cl aims 14 through 16, wherein said attachment arrangement comprises three of said attachment elements.

18. The support arrangement according to any one of the preceding claims, wherein said attachment arrangement comprises an arcuate carrying member configured to bear the cross-rail assembly.

19. The support arrangement according to claim 18, wherein said carrying member is formed as a circle and defines a central aperture configured for receipt therethrough of said cross-rail assembly.

20. The support arrangement according to claim 19, wherein said carrying member is formed with an upper surface comprising at least an inwardly disposed circular margin which is unobstructed by any other element of the attachment arrangement.

21. The support arrangement according to any one of the preceding claims, further comprising one or more auxiliary elements carried by said cross-rail assembly.

22. The support arrangement according to claim 21, wherein at least some of said auxiliary elements are configured for operating with the support arrangement or the fluid monitor.

23. The support arrangement according to claim 22, wherein said one or more auxiliary elements comprises at least one selected from the list including a power supply, a controller, a transceiver, a display unit, an input port, and an output port.

24. The support arrangement according to any one of claims 21 through 23 , wherein said cross-rail assembly further comprises a basket carrying said auxiliary elements.

25. The support arrangement according to any one of claims 21 through 24, said cross-rail defines a vertical plane passing therethrough, wherein all of said auxiliary-elements are disposed on a first side of the plane, said suspension axis lying on a second side of the plane.

26. The support arrangement according to any one of the preceding claims, being configured to dispose said fluid monitor to a predetermined vertical position therebelow.

27. The support arrangement according to any one of the preceding claims, wherein said lifting assembly comprises a motor-driven pulley assembly configured to selectively raise and lower said fluid monitor.

28. The support arrangement according to claim 27, wherein said pulley assembly-comprises a cable, a first end of said cable carrying said fluid monitor, and a second end of said cable comprising a counterweight.

29. The support arrangement according to any one of the preceding claims, being configured to allow positioning said suspension axis at any position intersecting a circle defined by extreme lateral positions of the lifting assembly on the cross-rail.

30. The support arrangement according to any one of the preceding claims, wherein said attachment arrangement is configured to be secured to a sidewall of the vertical access shaft.

31. The support arrangement according to any one of the preceding claims, wherein said attachment arrangement is configured to be secured to a cover of the vertical access shaft.

32. A fluid monitoring system comprising a fluid monitor and the support arrangement according to any one of the preceding claims.