| 摘要 |
The invention relates to a high-pressure fan, which comprises at least one impeller and a motor with associated transmission 3 for driving the impeller 6, 7. In order to solve the problem of the impeller bearing, the impeller 6, 7 has been made at least substantially from a carbon-fibre based composite material and is fixed directly to the output shaft of the transmission 3. <IMAGE>
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