Water treatment apparatus with easy filter replacement...

Details Water treatment apparatus with easy filter replacement... Water treatment apparatus with easy filter replacement...

2011-04-05

2011-04-05

Lithgow, Thomas M (Department: 1776)

Liquid purification or separation

With repair or assembling means

C210S335000, C210S444000

Reexamination Certificate

active

07918998

ABSTRACT:
A water treatment apparatus includes a frame and a plurality of connecting accessories, manifolds and filter cartridges. Each of the connecting accessories includes a seat ring fixed on the frame and a communicating pipe coaxially received in the seat ring. The seat rings together with the communicating pipes are spaced at a distance from one another. Each of the manifolds is suspended between adjacent two of the connecting accessories and has inlet and outlet ports at opposite ends. The inlet and outlet ports of each of the manifolds are rotatably and coaxially received in adjacent the seat rings respectively with their exterior walls in contact with inner walls of adjacent the seat rings and their interior walls in contact with outer walls of adjacent the communicating pipes. Additionally, the filter cartridges are detachably joined to the manifolds respectively.

REFERENCES:
patent: 6740235 (2004-05-01), Gill
patent: 6800199 (2004-10-01), Rhee
patent: 7438811 (2008-10-01), Lin
patent: WO 2004041409 (2004-05-01), None

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