Engine fastening structure

Details Engine fastening structure Engine fastening structure

2007-11-13

2007-11-13

Sterling, Amy J. (Department: 3632)

Supports

Machinery support

Bracket

C248S637000, C074S591000, C123S192100

Reexamination Certificate

active

10501380

ABSTRACT:
An engine fastening structure in which a crankcase and a cylinder body are provided as separate units, so that the crankcase and the cylinder body are connected together with connecting bolts, characterized in that the crankcase2is constructed in such a manner that an iron alloy bearing member12bfor supporting a crankshaft bearing is insert cast in an aluminum alloy, and in that connecting boss portions12care integrally formed on both sides of the iron alloy bearing member12bwhich are situated opposite across a cylinder axis as viewed in a direction in which the crankshaft extends in such a manner as to extend toward a cylinder body side, so that the connecting bolts30aare screwed into the connecting boss portions12c, respectively.

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