COMPRESSIVE PUMP Russian patent published in 2000 - IPC

FIELD: pump engineering. SUBSTANCE: for provision of automatic washing ducts 8 are made in body part 1 in the plane of rotation of rotor 6 the ducts are hermetically connected at the outlet to the cavity of distributing member 2, and at the inlet - to an external pneumosource through locking members 9, each member is kinematically linked with respective spring-loaded carriage 5 through actuating mechanism 10; elastic distributing member 2 is provided at the inlet with check valve 3. EFFECT: automatic washing of elastic distributing member in the process of pump operation. 2 cl, 3 dwg