Patent ID: 6782917
Filing Date: 2004-08-31
Classification: B01D,Y10T

Abstract:
An anti-drainback apparatus for a filter used in a vehicle transmission, comprising:a neck member disposed at one of an outlet and inlet of the filter; and a body disposed in said neck member of the filter, said body which is movable to either one of seal with said neck member and prevent fluid from passing downward through said neck member, and unseal from said neck member and allow fluid to pass through said neck member and exit through the filter outlet, wherein said body is a conical body, and said conical body further comprises: a top opening at one end, and a platform base at another end, said conical body having slanted sides which narrow inward from said top opening toward said platform base; and a plurality of locating tabs disposed around an outer peripheral surface of said top opening of said conical body.