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Filterwerk Mann + Hummel Gmbh

Heiko Hinderer

Guenter Jokschas

Michael Wolf

Harald Pfeffinger

Lothar Keller

Reiner Heigl

In a method for producing a valve seat for a cylinder head of an internal combustion engine made of an aluminum metal alloy as the base material, an added material is fused by a laser beam with the base material of the cylinder head at the point at which the valve seat is to be formed. An alloy or a mixture of an aluminum-silicon alloy and nickel as well as at least one additional component is used as added material.

Method for producing a valve seat

An oil separator for separating oil from oil-laden air has a housing, an inlet for oil-charged air to enter the housing, one or more coalescer elements arranged on a support body inside the housing, and outlets for the separated air and for the separated oil to exit the housing. Each end of the support body and a corresponding end of the coalescer element are fastened to a molded component. At least one molded component is in sealing contact with a sealing surface of the housing.

Oil separator

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Remseck, Germany

Heiko Hinderer