VANE-TYPE BLOWER Russian patent published in 1998 - IPC

FIELD: mechanical engineering; positive displacement devices for delivering air or other working medium. SUBSTANCE: blower has rotating housing in the form of drum with end face walls and ports on cylindrical generating surface, rotor with slot and ports arranged eccentrically in housing, and support trunnions and flexible projections-dividers. Vane is installed in rotor slot for radial displacement and is hinge coupled with end face walls of drum. Seals are installed in zones of contact of rotor and drum. Ports of drum are provided with shields arranged at an angle less than 90 deg relative to working medium flow. Pulley is made on end face wall of housing. EFFECT: enlarged operating capabilities. 3 cl, 3 dwg