FILTER FOR CLEANING OIL Russian patent published in 1995 - IPC

FIELD: engine engineering. SUBSTANCE: filter has hollow cylindric housing 2 with bottom 3, cover 1 with openings 9 for supplying and discharging oil, filtering member 5, by-pass valve 6 mounted at the end face of the filtering member, anti- drain valve 7, spring 17 interposed between working chamber 16 of the anti-drain valve and housing 18 of by- pass valve 6, central discharging branch pipe 4 received in the opening for discharging oil, flexible flange 13 spring-loading filtering member 5 to the housing of by- pass valve 6, and members for locking 10 and sealing 11 of cover 1 and housing 2. Central discharging branch pipe 4 is rigidly secured to the bottom of housing 2. Flexible flange 13 is freely mounted between bottom 3 and filtering member 5. EFFECT: enhanced engineering capabilities and simplified design. 3 dwg