Storm drain catch basin

Details Storm drain catch basin Storm drain catch basin

1979-07-26

1981-04-14

Granger, Theodore A.

Liquid purification or separation

Structural installation

Grated inlet surface drain

E03F 100

Patent

active

042618231

ABSTRACT:
The basin includes a standpipe having axially extending slots spaced vertically from its bottom. A baffle extends coaxially within the pipe around the slots to separate oil and grease from the runoff. The accumulated water is held in the standpipe thereby allowing the larger particles to settle out into the lower portion of the standpipe before the water flows through the slots into an outer chamber. The outer chamber contains a cylindrical filter element through which the water must flow. The filter element removes suspended lighter solids and any remaining grease or oil not removed in the standpipe. The cleansed runoff finally is discharged through an outflow pipe extending from the outer chamber. The standpipe can be periodically cleansed by removal of a drop inlet grate which covers the pipe. Furthermore, the filter element can be removed for cleaning.

REFERENCES:
patent: Re29996 (1979-05-01), Jordan
patent: 325231 (1885-09-01), Badgley
patent: 543617 (1895-07-01), Dunstan
patent: 1108852 (1914-08-01), Scheuermann
patent: 1579205 (1926-04-01), Blakesley et al.
patent: 1654803 (1928-01-01), Griffith
patent: 1664853 (1928-04-01), Frith
patent: 2263259 (1941-11-01), Boosey
patent: 2348651 (1944-05-01), Schelly
patent: 2634862 (1953-04-01), Smith
patent: 3038396 (1962-06-01), Jameson, Jr.
patent: 3862039 (1975-01-01), Summers
patent: 4031009 (1977-06-01), Hicks
patent: 4165285 (1979-08-01), Weber

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