Patent ID: 11892078
Assignee: MANN+HUMMEL GMBH
Field: Chemical engineering (Chemistry)
Classification: CPC F  B | IPC B  F

Claim 8:
9. An oil separator for a crankcase ventilation system, comprising:
an oil separator housing including:
a first housing part; and
a second housing part secured to the first housing part and enclosing a chamber therein;

a filter element according to claim 1 arranged in the chamber of the oil separator housing;
wherein the first housing part includes
at least one oil separator clean fluid outlet configured to remove the cleaned fluid; and

the pressure control valve is configured to limit the negative pressure applied in the crankcase ventilation system, the pressure control valve formed in combination by:
the valve seat of the filter element; and
a valve closing body accommodated in the first housing part that operates in conjunction with and sealably closes against the valve seat;

wherein the sealing surface of the tubular projection of the cover element of the filter element forms the valve seat against which the valve closing body sealably closes when the pressure control valve is in a closed state.