(PM) system. In combination, the two systems, respectively a dynamic, high response, low power conventional system and a near static, PM system, handle all the forces in a high power, high speed compressor/pump and drive, such as to provide a reliable and economical bearing system, ...
and substantially maintains the vacuum therein created during the pump-out process. Seal4in certain embodiments of this invention may be located in approximately the same location as edge seal4shown in FIGS.1-2. Any other suitable location is possible so long as the low pressure space6is sealed...