VACUUM TOILET SYSTEM FOR FLYING VEHICLES Russian patent published in 1995 - IPC

FIELD: utilities of flying vehicles. SUBSTANCE: vacuum toilet system has collecting tank, WC bowl with discharge valve connected with tank by means of drainage pipe line having branch pipe, centrifugal pump for evacuating air from tank, control equipment and air line connecting the pump with tank by means of air intake. Collecting tank is divided into sections by means of partition having hole; the sections are in communication; mounted in one section is branch pipe of drainage pipe line directed tangentially to tank surface; arranged in other section is air intake made in form of labyrinth passage with hole in lower portion. EFFECT: enhanced reliability. 4 dwg