Automatic transom scupper valve

Details Automatic transom scupper valve Automatic transom scupper valve

1994-01-04

1995-01-31

Basinger, Sherman

Ships

Bilge discharge

114197, B63B 1300

Patent

active

053851080

ABSTRACT:
An automatic valve is attached to the lower edge of the transom of a boat. The valve is a short tubular device that is aligned with a hole in the transom and mounted on the transom in a substantially horizontal plane, in a watertight manner. The inner end of the device may follow the slope of the transom. However, a cap, hinged at its top, covers and seals the outer end of the device, and the bottom of the outer end projects out beyond the top to provide enough slope for the cap to be held by gravity against the outer end. This closes the valve against water pressure from the outside, but allows bilge water to flow out when there is no external pressure. The valve may be, normally, under water, but can drain the bilge when the hull is out of water, or moving quickly enough through the water to clear the transom.

REFERENCES:
patent: 63496 (1867-04-01), Fox
patent: 1800556 (1931-04-01), Mead
patent: 2655121 (1953-10-01), Cuneo
patent: 2713841 (1955-07-01), Forbes
patent: 3459150 (1969-08-01), Lunde, Jr.

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