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Dive into the research topics where Helmut Dipl.-Ing. Schäfer is active.

Publication


Featured researches published by Helmut Dipl.-Ing. Schäfer.


Archive | 1958

Inlet channel arrangement in the cylinder head of an internal combustion engine

Erwin Eisele; Helmut Dipl.-Ing. Schäfer


Archive | 2004

Connecting rod for an I.C. engine comprises connecting rod eyes having a cross-section which deviates from a circular or cylindrical shape

Jochen Dr. Betsch; Helmut Dipl.-Ing. Schäfer


Archive | 2009

Cylinder crankcase for turbocharger utilized for engine, has cylinder bore and cylinder liner, where cylinder liner is fastened in crankcase by friction welding seam and consists of grey cast iron or hypereutectic aluminum silicon alloy

Rudolf Reinhardt; Helmut Dipl.-Ing. Schäfer


Archive | 2000

Oil pump gear made of aluminum powder

Guido Hauptmann; Helmut Dipl.-Ing. Schäfer


Archive | 2014

Method of testing adhesiveness and film strength of surface layer formed on metal substrate used in cylinder crankcase of combustion engine, involves measuring tensile force applied for detaching surface layer from substrate

Andreas Breuninger; Patrick lzquierdo; Eyüp Akin Özdeniz; Stefan Pissors; Thomas Schall; Jürgen Pfänder; Oliver Bedow; Helmut Dipl.-Ing. Schäfer


Archive | 2003

Composite material used in the production of vehicles and engines comprises a metallic material which infiltrates a porous fibrous body which forms a blank

Edgar Brütsch; Klaus Drechsler; Lutz Ristow; Helmut Dipl.-Ing. Schäfer


Archive | 2002

Verfahren zum Feinbearbeiten von zylindrischen Innenflächen

Franz Dr. Rückert; Helmut Dipl.-Ing. Schäfer; Peter Stocker; Oliver Dr.-Ing. Storz


Archive | 2006

Method for fine machining cylindrical inner surfaces

Ulrich Härer; Franz Dr. Rückert; Helmut Dipl.-Ing. Schäfer; Peter Stocker; Oliver Storz


Archive | 2004

Cylinder liner production method for component reinforcement in engines, involves cutting sheet metal into metal strips such that each metal strip has contours formed at one end

Eugen Dipl.-Ing. Hees; Helmut Dipl.-Ing. Schäfer


Archive | 2004

Follower disk to be used in combustion engine, comprising additional elastic ring

Hartmut Engels; Gernot Kurtzer; Erhard Rau; Helmut Dipl.-Ing. Schäfer

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