Rotating-slide vacuum pump or compressor of block design having a disc-rotor synchronous motor which is mounted on flying bearings

Abstract

In a rotating-slide vacuum pump or compressor having a rotor ( 6 ) which can rotate in a housing ( 2 ) and is driven by a drive shaft, and having slides ( 8 ) which can be moved outwards in the circumferential direction herein in slots ( 7 ) in the rotor ( 6 ) and separate individual feed chambers of a working area ( 9 ), which is provided with an intake opening ( 1 ) and an outlet opening, from one another, and each assume a maximum outer position adjacent to the housing inner wall, driven by centrifugal force, the arrangement is designed such that a brushless disc-rotor synchronous motor ( 11, 12 ) is fitted in the axial direction to the rotor shaft.

1 . A rotating slide vacuum pump or compressor including a rotor, which can rotate in a housing and is driven by a drive shaft, and slides which can be moved outward in the circumferential direction herein in slots in the rotor, which separate individual feed chambers of a working area, which is provided with an induction opening and an outlet opening, from one another and, driven by centrifugal force, each occupy a maximum outer position on the housing inner wall,
 comprising a brushless disk-rotor synchronous motor which is fitted in the axial direction on the rotor shaft, wherein thermal isolation is incorporated in the form of a housing constriction between the pump/compressor stage and the disk-rotor synchronous motor or is provided by the housing shape itself.   
   
   
       2 . The vacuum pump or compressor of  claim 1 , wherein the disk-rotor synchronous motor includes a stator which is fitted on both sides with respect to the disk rotor, for the purpose of axial force compensation. 
   
   
       3 . The vacuum pump or compressor of  claim 1 , wherein the disk-rotor synchronous motor includes a stator which is fitted on one side with respect to the disk rotor and in which the axial forces which occur are absorbed by an axial bearing. 
   
   
       4 . The vacuum pump or compressor of  claim 1 , including a Hall sensor, which is provided for position identification for closed-loop control. 
   
   
       5 . The vacuum pump or compressor of  claim 1 , including an oil mist separator arranged around the housing of the pump/compressor stage so as to achieve a minimal physical space overall, with a square base area. 
   
   
       6 . The vacuum pump or compressor of  claim 1 , including a fan arranged opposite the disk-rotor synchronous motor on the rotor shaft in order to dissipate compression heat from the machine. 
   
   
       7 . The vacuum pump or compressor of  claim 1 , comprising a fan impeller fitted on the rotor shaft, on the side opposite the disk-rotor synchronous motor, with respect to the pump/compressor stage, and is used for cooling the pump/compressor stage with cooling air. 
   
   
       8 . The vacuum pump or compressor of  claim 2 , including a Hall sensor, which is provided for position identification for closed-loop control. 
   
   
       9 . The vacuum pump or compressor of  claim 3 , including a Hall sensor, which is provided for position identification for closed-loop control. 
   
   
       10 . The vacuum pump or compressor of  claim 2 , including an oil mist separator arranged around the housing of the pump/compressor stage so as to achieve a minimal physical space overall, with a square base area. 
   
   
       11 . The vacuum pump or compressor of  claim 4 , including an oil mist separator arranged around the housing of the pump/compressor stage so as to achieve a minimal physical space overall, with a square base area 
   
   
       12 . The vacuum pump or compressor of  claim 2 , including a fan arranged opposite the disk-rotor synchronous motor on the rotor shaft in order to dissipate compression heat from the machine. 
   
   
       13 . The vacuum pump or compressor of  claim 4 , including a fan arranged opposite the disk-rotor synchronous motor on the rotor shaft in order to dissipate compression heat from the machine. 
   
   
       14 . The vacuum pump or compressor of  claim 5 , including a fan arranged opposite the disk-rotor synchronous motor on the rotor shaft in order to dissipate compression heat from the machine. 
   
   
       15 . The vacuum pump or compressor of  claim 2 , comprising a fan impeller fitted on the rotor shaft, on the side opposite the disk-rotor synchronous motor, with respect to the pump/compressor stage, and is used for cooling the pump/compressor stage with cooling air. 
   
   
       16 . The vacuum pump or compressor of  claim 3 , comprising a fan impeller fitted on the rotor shaft, on the side opposite the disk-rotor synchronous motor, with respect to the pump/compressor stage, and is used for cooling the pump/compressor stage with cooling air. 
   
   
       17 . The vacuum pump or compressor of  claim 4 , comprising a fan impeller fitted on the rotor shaft, on the side opposite the disk-rotor synchronous motor, with respect to the pump/compressor stage, and is used for cooling the pump/compressor stage with cooling air. 
   
   
       18 . The vacuum pump or compressor of  claim 5 , comprising a fan impeller fitted on the rotor shaft, on the side opposite the disk-rotor synchronous motor, with respect to the pump/compressor stage, and is used for cooling the pump/compressor stage with cooling air. 
   
   
       19 . The vacuum pump or compressor of  claim 6 , comprising a fan impeller fitted on the rotor shaft, on the side opposite the disk-rotor synchronous motor, with respect to the pump/compressor stage, and is used for cooling the pump/compressor stage with cooling air.