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1. (WO2019000052) RÉSERVOIR POUR INSTALLATION D'ÉGOUT SOUS PRESSION
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

CLAIMS:

1. A pressure sewer tank kit comprising:

a plastic tank body having a closed lower end and an upper end that defines a top opening, the tank body having wall portions that extend from the lower end to the upper end and define a substantially enclosed tank volume that is closed except for at least one fluid inlet and at least one fluid outlet and except for when the top opening is not occluded; and

a tank lid arranged to close the top opening comprising a first lid part and a second lid part, wherein the first and second lid parts cooperate to define a lid chamber therebetween and the second lid part is separable from the first lid part when the first lid part occludes the top opening to allow external access to the lid chamber without opening the tank.

2. The tank kit of claim 1, wherein the tank lid is formed of plastic material.

3. The tank kit of claim 1 or claim 2, wherein the at least one of the tank body or the tank lid is formed by rotational moulding.

4. The tank kit of any one of claims 1 to 3, wherein the lid chamber is sized to receive a pump control unit.

5. The tank kit of claim 4, further comprising the pump control unit.

6. The tank kit of any one of claims 1 to 5, further comprising a solar panel configured to generate electrical energy sufficient to power a pressure sewer pump and a pump control unit.

7. The tank kit of any one of claims 1 to 6, further comprising a pressure sewer pump.

8. The tank kit of any one of claims 1 to 7, wherein the tank body comprises an outwardly bulging section intermediate the upper end and the lower end.

9. The tank kit of claim 8, wherein the outwardly bulging section is disposed closer to the lower end than the upper end and is configured to maximise a fluid volume in the tank body that would fall between upper and lower pump set-points.

10. A tank lid for a pressure sewer tank, the tank lid comprising:

a first lid part and a second lid part, wherein the first and second lid parts cooperate to define a lid chamber therebetween and the second lid part is separable from the first lid part to allow external access to the lid chamber; and

attachment structure to permit attachment of the lid to a tank body to occlude a top opening of the tank body.

11. The tank lid of claim 10, wherein the second lid part comprises an upper-most external surface that is configured to be sloped to one side when the tank lid is positioned on the top opening.

12. The tank lid of claim 11, further comprising a solar cell array disposed in an upward-facing section of the second lid part.

13. The tank lid of claim 12, wherein the second lid part defines an electrical conduit aperture to allow passage of an electrical conduit between the lid chamber and an output of the solar cell array.

14. The tank lid of any one of claims 10 to 13, wherein the lid chamber is a first lid chamber and the first and second lid parts cooperate to define a second lid chamber therebetween that is separate from the first lid chamber.

15. The tank lid of claim 14, wherein at least one of the first lid part and the second lid part comprises at least one chamber separator extending vertically between the first and second lid parts.

16. The tank lid of claim 14 or claim 15, wherein the first lid chamber is sized to receive a pressure sewer pump controller and the second lid chamber is sized to receive a power supply for a pressure sewer pump.

17. The tank lid of any one of claims 10 to 16, wherein the first lid part defines a plurality of cable passages to allow respective cables to extend from within the lid chamber to within the tank body.

18. The tank lid of any one of claims 10 to 17, wherein the first lid part comprises at least one handle portion.

19. The tank lid of claim 18, wherein the at least one handle portion projects in a direction toward the second lid part.

20. The tank lid of claim 18 or claim 19, wherein the second lid part defines a handle recess for receiving each at least one handle portion.

21. The tank lid of any one of claims 18 to 20, wherein the at least one handle portion comprises two handle portions.

22. The tank lid of any one of claims 10 to 21, wherein the first and second lid parts are formed using plastic.

23. The tank lid of claim 22, wherein the first and second lid parts are formed using rotational moulding.

24. The tank lid of any one of claims 10 to 23, wherein an outer periphery of the second lid part extends beyond an outer periphery of the first lid part.

25. The tank lid of any one of claims 10 to 24, wherein the first lid part is arranged to be supported by an upper rim of the tank body to occlude the top opening, wherein when the first lid part is supported on the upper rim, a lower wall of the first lid part is disposed below a level of the upper rim.

26. The tank lid of claim 25, wherein when the first lid part is supported on the upper rim and the second lid part is supported on the first lid part, the second lid part does not extend below the upper rim.

27. A tank body for a pressure sewer system, the tank body comprising:

a closed lower end comprising a tank base;

an upper end that defines a top opening; and

side walls extending from the lower end to the upper end and defining a substantially enclosed tank volume, except for at least one fluid inlet, at least one fluid outlet and the top opening;

wherein the side walls define a bulged section intermediate the upper end and the lower end and disposed closer to the lower end than the upper end, the bulged section having a maximum lateral width dimension that is between about 20% and about 50% larger than a maximum lateral width dimension of the upper end.

28. The tank body of claim 27, wherein an inner wall of the bulged section has a non-circular profile in lateral cross-section.

29. The tank body of claim 27 or claim 28, wherein a lateral cross-section of an inner wall of the bulged section has first and second radii of curvature arranged in alternating fashion.

30. The tank body of any one of claims 27 to 29, wherein an inner wall of the bulged section has a rounded square shape in lateral cross- section.

31. The tank body of any one of claims 27 to 30, wherein the tank body has a neck section extending between the upper end and the bulged section, the neck section being tapered outwardly in a direction from the upper end toward the bulged section.

32. The tank body of claim 31, wherein an inner wall of the neck section has a substantially frustoconical shape.

33. The tank body of claim 31 or claim 32, wherein the neck section inner wall is generally concentric and co-axial with the bulged section and the tank base about a longitudinal axis of the tank body, and wherein the neck section inner wall is substantially axi-symmetric about the longitudinal axis but an inner wall of the bulged section is not axi-symmetric about the longitudinal axis.

34. The tank body of any one of claims 27 to 33, wherein a combined volumetric capacity of the lower end and the bulged section is at least 50% greater than a remaining volumetric capacity of the tank body.

35. The tank body of any one of claims 27 to 34, wherein the upper end comprises an annular flange having a raised inner rim that stands proud of a radially outer part of the annular flange.

36. The tank body of any one of claims 27 to 35, wherein the upper end comprises a mouth that defines the top opening, wherein the mouth has an inwardly tapered wall that tapers inwardly in a downward direction.

37. The tank body of claim 36 when dependent on claim 35, wherein the inwardly tapered wall has a bottom edge extending below the raised inner rim.

38. The tank body of claim 37, wherein the inwardly tapered wall is defined in part by the raised inner rim.

39. The tank body of any one of claims 27 to 38, further comprising a plurality of horizontal and vertical exterior ribs extending outwardly from the side walls to provide increased structural strength to the tank body.

40. A method of installing a pressure sewer tank, comprising:

positioning a pressure sewer tank body in relation to a ground surface;

positioning a pressure sewer pump in the tank body;

coupling an inlet conduit to an inlet of the tank body and coupling an outlet of the pressure sewer pump to an outlet of the tank body;

positioning a two-part lid over a top opening of the tank body to occlude the top opening, wherein the two-part lid comprises a first lid part to occlude the top opening and a second lid part to cover over the first lid part, and wherein the first and second lid parts define a chamber therebetween that is sized to receive a pump controller.

41. The method of claim 40, further comprising positioning the pump controller in the chamber and electrically coupling the pump controller to the pressure sewer pump to allow the pump controller to control operation of the pressure sewer pump.

42. The method of claim 40 or claim 41, wherein the chamber of the two-part lid defines a first section to receive the pump controller and a second section spaced from the first section and sized to receive a battery that is configured to supply power to the pump controller and to the pressure sewer pump, wherein the method further comprises electrically coupling the battery to the pump controller to supply power from the battery to the pump controller.

43. The method of claim 42, further comprising electrically coupling a renewable energy source to the battery.

44. The method of claim 43, wherein the renewable energy source comprises a solar cell array.

45. The method of claim 44, wherein the solar cell array is disposed on the second lid part.

46. The method of any one of claims 40 to 45, further comprising securing the two-part lid to the tank body to substantially close the top opening.

47. The method of claim 46, wherein the securing comprises fastening the second lid part to an upper rim of the tank body.

48. A method of assembling a pressure sewer tank, comprising:

positioning a two-part lid over a top opening of a tank body of the pressure sewer tank to occlude the top opening, wherein the two-part lid comprises a first lid part to occlude the top opening and a second lid part to cover over the first lid part, and wherein the first and second lid parts define a chamber therebetween that is sized to receive a pump controller; and

securing the two-part lid to the tank body to substantially close the top opening.

49. The steps, processes, methods, structures, substructures, bodies, parts, components, systems, subsystems, means, features, compositions, kits, arrangements and assemblies as described herein alone or in any combination of any one or more steps, processes, methods, structures, substructures, bodies, parts, components, systems, subsystems, means, features, compositions, kits, arrangements and assemblies.

50. A storage tank, comprising:

a neck portion having an opening, the neck portion having side walls which define a first storage volume;

a body portion connected to, and located below, the neck portion, the body portion having side walls and a base which define a second storage volume, wherein a section of the body portion is configured with a substantially rectangular cross-section in the horizontal plane, and wherein the second storage volume is greater than the first storage volume; and

ribs projecting generally radially from the side walls of the neck portion and/or the body portion.