Liquid purification or separation – Structural installation – Flume stream type
Patent
1978-05-30
1982-04-06
Spitzer, Robert H.
Liquid purification or separation
Structural installation
Flume stream type
198681, 210328, 210330, B01D 3332
Patent
active
043234518
ABSTRACT:
An improved array of filter elements for a self-cleaning filter screen apparatus for continuous removal of suspended solids in a fluid. The filter elements are staggeringly interconnected in the form of an endless belt for movement through the fluid. Each filter element includes an arm with a first hub at the front end and a curved rake or hook at the other end. The arm has a front arm portion or shank portion connected to a rear arm portion. A second or intermediate hub is connected between the front arm portion and the rear arm portion. A row of the filter elements are mounted on two shafts. The front hubs from a rearward row of filter elements are positioned between the intermediate hubs of the forward row of filter elements and each hub is spaced from the adjacent hub. The scraper-separator means is sized to fix the distance between adjacent filter elements similarly connected on the same shafts. An additional separator means is also provided at the forward heel area of the second hub to separate the hubs and provide balanced compression force between adjacent filter elements that are similarly connected to the same shafts. One side of each additional separation means and/or the scraper-separator means may be a female member and the other side may be a male member to provide interlocking support of the array of filter elements.
REFERENCES:
patent: 1207376 (1916-12-01), Davidson
patent: 2095504 (1937-10-01), Kesti et al.
patent: 3856678 (1974-12-01), Hagihara
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