OIL CLEANING CENTRIFUGE Russian patent published in 1999 - IPC

FIELD: equipment for oil cleaning in internal combustion engines. SUBSTANCE: centrifuge has a body with ducts for oil supply and discharge, hollow axle and a rotor installed on it and having an internal hydraulic drive. The rotor is also furnished with external acceleration nozzles with ducts for oil supply, and a device for their cut-off as soon as the operating mode is attained, the device consists of spring-loaded ball valves. The latter are arranged radially relative to the rotor axis for movement under the action of centrifugal forces for cutting off the ducts of oil supply to the nozzles. EFFECT: enhanced quality of oil cleaning by speeding up the rotor acceleration at engine start in any temperature conditions. 1 dwg