| 摘要 |
An air compressor assembly of the rotary screw type. The air compressor assembly comprises a housing (20) having an inlet end (22) and a discharge end (24). An internal working chamber (26) extends within the housing and terminates in a discharge end face(27) at the discharge end of the housing. At least one rotor (40) is mounted for rotation and axial movement within the working chamber (26). The rotor has a discharge end surface (41) having a step defined thereon. A thrust piston (46) extends from the rotor and is positioned within a thrust piston chamber (48). A pressure source is associated with the thrust piston chamber (48) and is controllable between a high pressure condition and a reduced pressure condition to control the position of the rotor (40) relative to the discharge end face (27). A method of mounting a rotor with a desired end clearance is also provided.
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