| 摘要 |
The invention relates to a rotary piston or screw rotor for high-speed media transport for a compressor or a fan which is rotatably mounted via at least two bearing points (6a, 6b), arranged on the end side of a rotor shaft (5), in a conveyance chamber (2) of a housing (1) having at least one inlet and one outlet connection, wherein there is a hollow rotor body (7) made from a cold-rolled metal plate, the open faces (8a, 8b) thereof being coupled to the rotor shaft (5) via radially extending torque transmission means and, in the end shape, directly interacting via the lateral surface (11) thereof in a dynamically sealing manner with a massive or likewise hollow counter-body (12). |
