Patent ID: 7244111
Filing Date: 2007-07-17
Classification: F04D

Abstract:
1. Compressor apparatus comprising a radial compressor ( 35 ) for the compression of a gas and also an electric motor ( 31 ) for driving the radial compressor ( 35 ) wherein the radial compressor ( 35 ) and the electric motor ( 31 ) are arranged in a pressure housing ( 1 ) which is provided with a gas inlet duct ( 2 ) and also a gas outlet duct ( 3 ) and also comprising an encapsulated apparatus ( 4 ) arranged in the pressure housing ( 1 ), the inner space of the encapsulated apparatus being fluid conductingly connected to a pressure reducing apparatus ( 37 ), wherein the pressure reducing apparatus includes an actuatable valve in order to controllably reduce the pressure in the inner space and a sensor far the determination of the pressure in the encapsulated apparatus and also a regulating apparatus, with the regulating apparatus detecting a sensor value, comparing this with a desired value and if required actuating the valve.