Patent ID: 7507339
Filing Date: 2009-03-24
Classification: B01D,F01M

Abstract:
1. An adaptor assembly comprising: a housing unit having a sidewall that defines a cavity volume; a filter mount connected to the housing unit, wherein the filter mount is adapted to mount a spin-on oil filter; an inner piston slidably engaged with the filter mount, the inner piston adapted to fit within the cavity volume, wherein the inner piston is moveable between a first position within the cavity volume and a second position substantially outside of the cavity volume; an actuator located between the inner piston and the housing unit, wherein the actuator exerts a force on the inner piston capable of moving the inner piston from the first position to the second position; and, a closable drain operatively connected to the inner piston; wherein the drain is open when the inner piston is in the second position and closed when the inner piston is in the first position.