Oil pan structure and an engine therewith

Details Oil pan structure and an engine therewith Oil pan structure and an engine therewith

2008-10-29

2011-11-22

Kamen, Noah (Department: 3783)

Internal-combustion engines

Frame construction

Horizontal cylinder

C184S106000

Reexamination Certificate

active

08061325

ABSTRACT:
An oil pan structure includes a plurality of reinforcement beads of several kinds. An engine utilizes the oil pan, whereby the strength and vibration-rigidity (rigidity against vibration) of the oil pan and the engine are sufficiently enhanced so that a natural frequency of the oil pan and the engine therewith becomes adjustable through a selection as to the numbers, locations, and sizes of the beads.

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