Static structures (e.g. – buildings) – Cover with surface water receiver at eave or valley
Patent
1994-06-24
1996-12-31
Kent, Christopher Todd
Static structures (e.g., buildings)
Cover with surface water receiver at eave or valley
52 12, 52 16, E04D 1300
Patent
active
055882617
ABSTRACT:
A non-clogging gutter system comprised of two components: A half cylinder with flanges whose principal axis is orientated parallel to the edge of an inclined roof and is fastened to the vertical plane of the eaves and a gutter located just below the half cylinder, also mounted on the vertical plane of the eaves, but whose outer edge is recessed compared to the half cylinder. In operation, rainwater hydraulically flows down the inclined roof and onto the half cylinder where large debris, relatively unimpeded, is discharged to the ground, while the rainwater and macroscopic particles, by virtue of their higher molecular attraction compared to mass, adhere to the half cylinder finally discharging into the gutter because of the more normal orientation of the gravity vector compared to the half cylinder's surface. The gutter is shaped so that its cross sectional area increases exponentially from bottom-to-top so that, even in light rains, the flow velocity will be relatively high, reducing dwell-time of rainwater in the gutter and thence reducing the amount of settling of macroscopic particles such as shingle grits, seeds, and pollen.
REFERENCES:
patent: 603611 (1898-05-01), Nye
patent: 2669950 (1954-02-01), Bartholomew
patent: 2873700 (1959-02-01), Heier
patent: 4406093 (1983-09-01), Good et al.
patent: 4493588 (1985-01-01), Duffy
patent: 4497146 (1985-02-01), Demartini
patent: 4951430 (1990-08-01), Gottlieb
patent: 5016404 (1991-05-01), Briggs
patent: 5332332 (1994-07-01), Kenyon, Jr.
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