Importance

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Abstract

A housing for an internal combustion engine with a PCV valve for crankcase ventilation, including a valve housing and a valve insert, wherein the valve housing comprises a pressure-side opening which is connected to a pressure space carrying blow-by gases and a suction-side opening which is connected to a suction space, wherein the valve insert includes a valve body displaceably guided in the valve housing and a spring, wherein in an pressure-less state the valve body is pre-loaded towards, and rests on, a valve seat, wherein the valve body, exclusively controlled by a defined positive pressure in the pressure space relative to the suction space, is automatically displaceable to an open position against the force of the spring in order to provide a ventilation opening for blow-by gases between the pressure space and the suction space, wherein the valve housing includes two separate valve housing parts, wherein the valve seat is integrated into a first valve housing part and the first valve housing part is integrated into the housing forming a single piece, and a second valve housing part can be connected to the first valve housing part with the valve insert inserted in between to form a complete valve, and wherein the pressure-side opening is provided in the first valve housing part and the suction-side opening is provided in the second valve housing part.

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First Claim