After reciprocating, sliding vane compressors, also referred to as rotary vane compressors, are one of the oldest types of compressors. The first known description of a sliding vane pump was in a book ...

â ¢GMC Roots type blower with dual updraft aircraft carburetion and two Thompson "Vitameter" water-alcohol injectors. •Judson eccentric vane supercharger, a positive displacement type for Ford-Merc.