Patent ID: 9573085
Date: 2017-02-21
CPC Classifications: B01D,F01M,F16H

Claim:
1. An oil sump apparatus for engines or transmissions, comprising: a filter comprising a filter housing, including a filter housing top shell, a filter housing bottom shell connected to the filter housing top shell, a threaded bush connected to the bottom shell, a filter medium between the top shell and the bottom shell, a filter inlet, and a filter outlet, wherein the top shell comprises the filter outlet, the bottom shell comprises the filter inlet, and the threaded bush comprises an internal thread; a floor area of the oil sump, the floor area comprising an oil drain opening; and an oil drain screw comprising an external thread; wherein: when the filter housing is installed in said oil sump, the threaded bush is disposed substantially over the oil drain opening; and the oil drain screw is moveable from an open position to a closed position within the oil drain opening, wherein in the closed position, the oil drain screw extends upwards through the oil drain opening such that the external thread threadably engages with the internal thread of the threaded bush, thereby closing the oil drain opening and at least partially fastening the filter housing to the floor of area of the oil sump.