Patent ID: 8651078
Filing Date: 2014-02-18
Classification: F01M

Abstract:
1. An oil pan for an internal combustion engine comprising: a pan body having a drain opening in an exterior wall of the pan body for draining oil from said pain body; a partition disposed within said pan body and separating an interior of said pan body into a first oil chamber and a second oil chamber oil chamber; said partition provided with at least two overflow openings in said partition and extending between said oil chambers; an adjustable closure element common to said at least two overflow openings, said adjustable closure element operable to open or close said at least two overflow openings; wherein said closure element is an elongated drain screw extending through said drain opening from an exterior to an interior of said pan body, wherein said partition has a first wall section on a side of said second oil chamber and a second wall section on an opposing side of said second oil chamber; wherein a first one of said at least two overflow openings extends through said first wall section and connects said first and said second oil chambers, wherein a second one of said at least two overflow openings extends through said second wall section and connects said first and second oil chambers, wherein said drain screw extends from said drain opening into said first oil chamber, continues across said first oil chamber and through said first overflow opening of said first wall section into said second oil chamber, wherein said drain screw continues to extend from said first overflow opening through said second oil chamber and into said second overflow opening in said opposing second wall second wall section, said second wall section separating said second oil chamber from said first oil chamber, wherein said drain screw is adjustable between a closing position and an open position, wherein in said open position said first and second overflow openings and said drain opening are opened to permit oil flow through said openings, wherein said drain screw includes: