Pierburg Gmbh

Pierburg Ag

Franz Dellen

Hans-Ulrich Kühnel

Heinrich Dismon

Andreas Köster

Hans-Jürgen Hüsges

Christian Antoni

Hasan Oezcan

Ridel Röttges

Philipp Herten

Alpay Capan

Ahu Bendig

Hasan ÖZcan

Robin Eekhout

A flap device for an internal combustion engine which includes a flow housing with a housing wall which delimits a flow-through duct. The flap device includes a shaft mounted in the flow housing, a flap body rotatably mounted on the shaft, an actuator for the shaft, and a pressure measurement point. The pressure measurement point is arranged in a duct section of the flow housing so that the flap body traverses the pressure measurement point when rotating, and in a region of the flow housing remote from the shaft when viewed in a circumferential direction of the housing wall. A flap surface of the flap body is directed towards the pressure measurement point and is curved so that, in each rotary position, a tangent arranged at the position of the curved flap surface having a shortest distance to an opposite wall surface of the flow housing is parallel thereto.

Flap device for an internal combustion engine

The invention relates to a controllable two-way valve (), in which a valve rod () is connected in a permanent manner to at least two valve members (), the valve rod () being actuated by means of an actuator (). The housing () comprises an inlet () or outlet and two corresponding outlets (), () or inlets. According to the invention, the two valve members () correspond with at least two valve seats () and the two or more valve members () have three control surfaces (). The invention thus provides a dirt-resistant valve, which is easy to operate, has fixed valve members and does not require additional equipment. Said valve permits both the inlet to be completely blocked and the two outlets to be controlled independently of one another.

Controllable two way valve device

A valve is installed in an opening provided in a thin wall of an air intake pipe, which supplies combustion air from a flow control device to a cylinder of an internal combustion engine, to relieve excess pressure in the pipe. The valve includes a socket connected to a segment of the air intake pipe, and an elastomer, umbrella valve member is supported in the socket to normally cover the opening in the pipe and to undergo deformation when the pressure in the pipe reaches a predetermined value to uncover the opening and to connect the interior of the pipe to the ambient atmosphere.

Pressure relief means for a thin wall, air intake pipe for an internal

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Willich, Germany

Franz Dellen