Air through-flow device
A pipe piece (1) with at least two inner pipes (3,4) is provided in the suction path, whose diameter is determined so that the first and second inner pipes is are slidable within each other. A process for altering the suction path in the pipe piece exists where the air either flows parallel through...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A pipe piece (1) with at least two inner pipes (3,4) is provided in the suction path, whose diameter is determined so that the first and second inner pipes is are slidable within each other. A process for altering the suction path in the pipe piece exists where the air either flows parallel through the pipe piece or extends by changing direction through the intermediate spaces (9,10) of the pipe piece and the inner pipes, as well as through the first inner pipe. The first inner pipe is rigidly anchored in the pipe piece, whereby at least one window (6) exists for inletting the air into the first inner pipe. |
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