Multi-part crankcase and assembly method

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United States of America Patent

PATENT NO 9745917
APP PUB NO 20150167585A1
SERIAL NO

14573941

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Described is a crankcase and a method for assembling a multi-part crankcase. The method can include providing a cylinder block and a bearing tunnel upper part. The cylinder block has a plurality of threaded holes into each of which a stud screw is screwed, where the stud screws protrude from the cylinder block. The bearing tunnel upper part has a plurality of through-holes, where each of the through-holes is arranged coaxially to a corresponding stud screw. On a side facing the cylinder head, each of the through-holes has an internal thread having a first direction of rotation. A plurality of threaded sleeves, each threaded sleeve has an internal thread that has a second direction of rotation, an external thread that has a first direction of rotation, and a driver profile for inserting a screwdriver tool in a positive-locking manner, are provided.

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Patent Owner(s)

  • STEYR MOTORS GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Poxhofer, Markus Steyr, AT 3 3

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