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US 12,582,851 B2Granted
Filter element for breathing apparatus, filter device, breathing apparatus, and use of filter element
AssigneeMANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
InventorAndrew Price
Life of this patent
Estimating the term…
Abstract
A filter element for a breathing apparatus comprises a pleated filter medium forming a ring having a noncircular shape. The ring encloses an interior volume, and the interior volume of the ring is adapted to accommodate a further filter element. A removable filter device comprises a housing adapted to couple to the breathing apparatus, and the housing includes the filter element and the further filter element arranged in the interior volume of the ring.
Claims12
A breathing apparatus comprising:
- a removable filter device comprising:
- a filter element comprising:
- a pleated filter medium forming a ring having a non-circular shape, the ring enclosing an interior volume;
- and
- a further filter element arranged in the interior volume enclosed by the ring;
- a device body;
- and
- an attachable cover element comprising a coupling mechanism adapted to couple to the device body and to press the filter device axially towards the device body;
- wherein the removable filter device further comprises a base portion and a cap portion that is attached to the base portion, the filter element being accommodated between the base portion and the cap portion.
6 more elements
Dependencies are inferred from the claim text.