No spill, self-bleeding filter

Details No spill, self-bleeding filter No spill, self-bleeding filter

1998-08-12

2000-12-12

Lithgow, Thomas M.

Liquid purification or separation

Structural installation

Separator ancillary to storage tank

210248, 210436, 210444, B01D 3514, B01D 35153, B01D 3531

Patent

active

061593664

ABSTRACT:
Disclosed is a filter assembly having a top piece and a bottom filter canister for receiving a filter element. The top piece includes inlet and outlet passages and is shaped to plunge into the bottom canister when the canister is joined to the top piece and take up space such that when the canister separated from the top piece, the liquid or fuel level in the canister stays below the top, preventing spilling of the liquid. Th inlet passage of the top piece can be angled upward, such that almost all of the air in the canister can be quickly bled back into a fuel tank holding the fuel to be filtered by the filter assembly.

REFERENCES:
patent: 991212 (1911-05-01), Kincaid
patent: 2979208 (1961-04-01), Humbert
patent: 3023906 (1962-03-01), Moore
patent: 3931015 (1976-01-01), Jenkins
patent: 4253959 (1981-03-01), Tafara
patent: 4390425 (1983-06-01), Tafara
patent: 5382360 (1995-01-01), Vosper
patent: 5711876 (1998-01-01), Lee

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