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1. (WO2015176078) FILTRE POUR LA CAPTURE ET LA RETENUE DE GROS DÉBRIS
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

It is claimed:

1. A filter comprising:

a hollow housing forming an internal volume; and

a structure operatively associated with the housing for capturing and/or retention of debris entering the volume, the structure including one of an annular wall, angled wall, or baffle to create regions of less turbulence, or a contoured basket.

2. The filter of claim 1 wherein the housing has an inlet at one end and a mesh sidewall through which filtered flow may proceed from the internal volume.

3. The filter of claim 2 wherein the debris retention structure in the housing is an annular wall where an outer perimeter is secured adjacent the mesh sidewall.

4. The filter of claim 3 wherein the annular wall has a central opening.

5. The filter of claim 4 wherein the central opening is disposed downstream of the outer perimeter.

6. The filter of claim 2 wherein the debris retention structure is an angled wall extending from a perimeter portion secured adjacent the mesh sidewall.

7. The filter of claim 6 wherein the angled wall has a terminal edge located downstream of the perimeter portion secured adjacent the mesh sidewall.

8. The filter of claim 2 wherein the debris retention structure is a baffle extending radially inward into the internal volume from the mesh sidewall.

9. The filter of claim 8 wherein the debris retention structure includes multiple baffles that are located at spaced locations in the internal volume of the housing.

10. The filter of claim 9 wherein the debris retention structure baffles are equi-spaced along a longitudinal extent of the internal volume of the housing.

11. The filter of claim 1 wherein the contoured basket is located adjacent an inlet region of the filter.

12. A method of retaining debris in a filter housing comprising:

providing a filter having housing with an internal volume; and providing a structure that captures and/or retains debris in the internal volume where the structure includes at least one of an annular wall, angled wall, or baffle to create regions of less turbulence, or a contoured basket.

13. The method of claim 12 further comprising providing a mesh sidewall through which filtered flow may proceed from the internal volume.

14. The method of claim 13 wherein the debris retention structure further includes providing an annular wall where an outer perimeter is secured adjacent the mesh sidewall, and a central opening therethrough.

15. The method of claim 13 wherein the debris retention structure further includes securing a perimeter portion of an angled wall to the mesh sidewall and locating a terminal edge of the wall downstream of the perimeter portion.

16. The method of claim 13 including extending a baffle radially inward into the internal volume from the mesh sidewall.