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A filter-fan unit has a housing, at least one fan arranged in the housing, and at least one filter connected to the housing. The housing is transferable from a transport/storage position into a position of use, wherein the transport/storage position is significantly smaller than the position of use.

A filter-fan unit has a housing, at least one fan arranged in the housing, and at least one filter connected to the housing. The housing is transferable from a transport/storage position into a position of use, wherein the transport/storage position is significantly smaller than the position of use. The housing is foldable from the transport/storage position into the position of use. The housing has a housing frame and one or more sidewalls connected with one side to the housing frame.

대표청구항 ▼

What is claimed is: 1. A filter-fan unit comprising: a frame structure; a housing comprising sidewalls each connected with one side by a pivot connection to the frame structure; at least one fan arranged in the housing; at least one filter connected to the housing; wherein the housing has a transpo

What is claimed is: 1. A filter-fan unit comprising: a frame structure; a housing comprising sidewalls each connected with one side by a pivot connection to the frame structure; at least one fan arranged in the housing; at least one filter connected to the housing; wherein the housing has a transport/storage position in which the sidewalls are folded flat onto one another and a position of use, wherein the housing is transferred from the transport/storage position into the position of use in that the sidewalls are pivoted into a substantially upright position relative to the frame structure; wherein the transport/storage position is significantly smaller than the position of uses; wherein the sidewalls in the position of use have adjoining lateral edges that are connected to one another and the sidewalls form sidewalls of the filter-fan unit and define a housing interior of the housing in which housing interior the at least one fan is arranged. 2. The filter-fan unit according to claim 1, wherein the housing comprises a housing frame and the housing frame is the frame structure to which the sidewalls are pivotably connected. 3. The filter-fan unit according to claim 2, wherein the housing frame has an angled contour. 4. The filter-fan unit according to claim 2, wherein the sidewalls have a trapezoidal contour. 5. The filter-fan unit according to claim 4, wherein the housing is pyramid-shaped in the position of use. 6. The filter-fan unit according to claim 2, wherein the sidewalls rest atop one another in the transport/storage position. 7. The filter-fan unit according to claim 2, wherein the sidewalls each have a free edge and the free edges in the position of use delimit a mounting opening for the at least one fan. 8. The filter-fan unit according to claim 2, wherein the sidewalls each have a soundproofing layer arranged at a face of the sidewalls facing the housing interior in the position of use. 9. The filter-fan unit according to claim 2, wherein the at least one fan is a fan insert that is attached to the housing. 10. The filter-fan unit according to claim 9, wherein the housing has a lid that is connected to the fan insert. 11. The filter-fan unit according to claim 10, wherein the lid has circumferential edges and wherein the sidewalls are pivotably connected to the circumferential edges. 12. The filter-fan unit according to claim 11, wherein the sidewalls rest against the lid when the housing is in the transport/storage position. 13. The filter-fan unit according to claim 11, wherein the sidewalls of the housing overlap one another partially when the housing is in the transport/storage position. 14. The filter-fan unit according to claim 11, wherein the sidewalls of the housing have a rectangular contour. 15. The filter-fan unit according to claim 11, wherein the at least one filter has a filter frame, wherein the sidewalls each have a bottom edge and in the position of use the bottom edges are connected to the filter frame or placed into, onto or so as to surround the filter frame. 16. The filter-fan unit according to claim 10, wherein between the lid and the sidewalls a flexible micro-porous film is provided for sound absorption. 17. The filter-fan unit according to claim 2, wherein the housing is connected to a filter frame of the filter. 18. The filter-fan unit according to claim 17, wherein the filter frame is the frame structure to which the sidewalls are connected pivotably. 19. The filter-fan unit according to claim 18, wherein the sidewalls each have a trapezoidal shape. 20. The filter-fan unit according to claim 1, wherein the at least one filter has a filter frame that is placeable onto the housing, into the housing or so as to surround the housing. 21. The filter-fan unit according to claim 20, wherein the filter frame has a projecting part and the projecting part is the frame structure to which the sidewalls are pivotably connected. 22. The filter-fan unit according to claim 1, wherein the sidewalls are substantially identical in size. 23. The filter-fan unit according to claim 1, wherein the pivot connection is selected from the group consisting of a hinge, a predetermined bending location, a portion of reduced material thickness, and meshing shaped pivot elements. 24. A filter-fan unit comprising: a housing comprising sidewalls; at least one filter connected to the housing; wherein the housing has a transport/storage position in which the sidewalls are folded flat onto one another and a position of use, wherein the housing is transferred from the transport/storage position into the position of use in that the sidewalls are unfolded into an unfolded state and form sidewalls of the filter-fan unit; wherein the transport/storage position is significantly smaller than the position of use; wherein the sidewalls are connected by a pivot connection to one another at adjoining parallel extending lateral edges so that the sidewalls when unfolded are arranged sequentially in a row and have free lateral edges at opposed ends of the row; a lid connected by a pivot connection to one of the sidewalls at an edge that extends perpendicular to the parallel extending lateral edges; wherein free lateral edges in the unfolded state are connected to one another and the sidewalls and the lid define a housing interior of the housing; and at least one fan arranged in the housing interior. 25. The filter-fan unit according to claim 24, wherein the lid has a quadrangular contour. 26. The filter-fan unit according to claim 24, wherein the free lateral edges are connected to one another with at least one connecting member. 27. The filter-fan unit according to claim 24, wherein the lid is provided on three sides with a projecting rim. 28. The filter-fan unit according to claim 27, wherein the projecting rim of the lid delimits a receiving space for the sidewalls. 29. The filter-fan unit according to claim 24, wherein the lid has at least one mounting opening for the at least one fan. 30. The filter-fan unit according to claim 24, wherein the pivot connection of the sidewalls and the lid is selected from the group consisting of a hinge, a predetermined bending location, a portion of reduced material thickness, and meshing shaped pivot elements. 31. A filter-fan unit comprising: a housing comprising a shape-stable frame, a reinforcementframe, a housing wall comprised of foldable fabric, and reinforcing profiled sections, wherein the foldable fabric is attached to the shape-stable frame and connects the shape-stable frame and the reinforcement frame; at least one filter connected to the housing; wherein the housing has a transport/storage position in which the foldable fabric and the reinforcement frame lie on the shape-stable frame and a position of use in which the foldable fabric is tensioned upwardly by the reinforcing profiled sections and the reinforcement frame is spaced a part from the shape-stable frame by the reinforcing profiled sections; wherein the transport/storage position is significantly smaller than the position of use; wherein the foldable fabric in the position of use forms sidewalls of the filter-fan unit and defines a housing interior of the housing; and at least one fan arranged in the housing interior and connected to the reinforcement frame in the position of use. 32. The filter-fan unit according to claim 31, wherein the foldable fabric is comprised of tailored sections. 33. The filter-fan unit according to claim 32, wherein the tailored sections are identical. 34. The filter-fan unit according to claim 31, wherein the reinforcing profiled sections each have opposed ends that are supported with pretension on the housing frame and the reinforcement frame. 35. The filter-fan unit according to claim 34, wherein the fabric is comprised of tailored sections and wherein the reinforcing profiled sections are arranged in an area where the tailored sections are connected to one another. 36. The filter-fan unit according to claim 31, wherein the fabric is flame resistant.