| 摘要 |
The invention relates to an intake arrangement for the combustion air (2) of an internal combustion engine (3) in a portable handheld work apparatus such as a cutoff machine, a motor-driven chain saw or the like. Combustion air is supplied to an air filter (6) via a first centrifugal-force separator (4). The air filter (6) is charged with a carrier airflow (8) in addition to combustion air and the carrier flow (8) contains coarser particles (9) which function to build up a filter cake (26) on the air filter (6). In this way, a low maintenance continuous operation of the intake arrangement is made possible especially when the ambient air is heavily laden with dust.
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