Patent ID: 8495994

Claim:
Crank house ventilation separator ( 1 ) for an internal combustion engine, comprising: at least one swirl chamber ( 2 ) having rotational symmetry and extending along a longitudinal axis ( 3 ) extending between an inlet side end ( 4 ) and an outlet side end ( 7 ) of said swirl chamber ( 2 ), said swirl chamber including an inlet ( 5 ) arranged at said inlet side end ( 4 ) and directing a venting gas flow ( 6 ) tangentially into said swirl chamber ( 2 ), said tangential flow separating oil from said venting flow by centrifugal forces; a common outlet ( 8 ) for venting flow ( 6 ) and entrained oil leaving said swirl chamber ( 2 ), said common outlet ( 8 ) arranged at said outlet side ( 7 ); an impact cup ( 9 ) enclosing said common outlet ( 8 ) of said swirl cup ( 2 ), said impact cup ( 9 ) including an impact base ( 10 ) distally spaced apart from said common outlet ( 8 ) and extending radially about said longitudinal axis ( 3 ); a circumferential wall ( 11 ) secured to said impact base ( 10 ) and extending axially about and over at least a part of an outer wall of said swirl chamber ( 2 ); wherein said impact base ( 10 ) covers said common outlet ( 8 ) at a spacing thereto.