Liquid purification or separation – Plural distinct separators – Filters
Patent
1983-04-06
1985-09-17
Fisher, Richard V.
Liquid purification or separation
Plural distinct separators
Filters
210161, 210232, B01D 3332
Patent
active
045419302
ABSTRACT:
A traveling water screen is provided with a support frame having a transverse tray for accommodating a conventional screen panel of a specific configuration or alternatively a modified screen panel having an integral pan for positioning over the transverse tray to provide special handling of seasonally varying screened material. A non-abrupt smooth transition at a transition margin between the screen material and the integral pan allows aquatic life forms to flow from the screen into the integral pan when the screen is backwashed without the aquatic material getting lodged between a screen retaining means and the screen.
REFERENCES:
patent: 1514673 (1924-11-01), Roddy
patent: 1590688 (1926-06-01), Honeyman
patent: 1732649 (1929-10-01), Hobart
patent: 1781223 (1930-11-01), Gary
patent: 1910860 (1933-05-01), Sayers
patent: 2804209 (1957-08-01), Carlton et al.
patent: 2996189 (1961-08-01), Salterbach
Heidler Lester D.
Hunsberger Enos R.
Styer Richard D.
Fisher Richard V.
FMC Corporation
Kamp Ronald C.
Megley Richard B.
Millard Wanda L.
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