Baths – closets – sinks – and spittoons – Flush closet – With macerator
Patent
1983-05-11
1985-05-14
Artis, Henry K.
Baths, closets, sinks, and spittoons
Flush closet
With macerator
4320, 4321, 4323, 4222, 210104, 210173, E03D 910
Patent
active
045162816
DESCRIPTION:
BRIEF SUMMARY
DESCRIPTION
1. Technical Field
This invention relates to the treatment of sewage and more particularly to a system for the treatment of human waste from a toilet.
2. Background Art
Traditionally, marine heads on smaller boats and yachts had three distinct systems for eliminating human waste on board ships. The first type of prior art marine head incorporated an input sea cock connected by a conduit to a pump for water input to the marine head. The sewage from the head was then pumped through an output conduit to an output sea cock. The second type of prior art marine head incorporated a removable holding tank to receive the sewage. The holding tank was removed from the boat for emptying when the boat was in port. This second type of marine head is commonly referred to as a "portable marine head" which was also compatible for use in land vehicles such as campers, recreational vehicles, motor homes and the like. The third type of prior art marine head included an input and output sea cock and associated pump with a permanently mounted holding tank. The system utilized a Y-valve for directing the sewage to either a permanently mounted holding tank when the vessel was in port or within protected water or for directing the sewage for direct overboard discharge when the vessel was at sea.
Public Law 40 C.F.R. 140.3 regulates the discharge of sewage from marine vessels in fresh water lakes and reservoirs as well as rivers, coastal waters, great lakes and intercoastal waterways. The United States Coast Guard certifies marine sanitation devices for use in the aformentioned waters in addition to enforcing the discharge of sewage from marine heads. Accordingly, some in the prior art have attempted to simultaneously treat and discharge sewage from a toilet in a maring vessle. However, many of these prior art devices which will be described hereinafter do not meet the aformentioned federal standards for the discharge of treated sewage in the protected waters.
U.S. Pat. No. 3,195,149 to Carlson shows an apparatus for chlorination of toilet sewage for connection to a conventional marine head.
U.S. Pat. No. 3,323,650 to Kilbane shows a marine chlorinator utilizing a motor for pumping, mascerating and discharging sewage and for pumping a metered amount of treatment mateial into the waste product.
U.S. Pat. No. 3,480,543 to Hildebrand shows a process and apparatus for disinfecting sewage using a hydraulic circuit.
U.S. Pat. No. 3,536,196 to Zeff et al. shows a system for treating waste from a toilet incorporating a temporary holding tank for recirculating flushing liquid to a toilet.
U.S. Pat. No. 3,669,592 to Minchak utilizes a marine toilet having a mascerator blade, a metering pump and a discharge pump integrally incorporated into a marine head.
U.S. Pat. No. 3,713,177 to Tufts et al. illustrates a novel marine toilet incorporating a mascerator and a temporary holding tank for treating sewage from a marine head.
U.S. Pat. No. 3,755,827 to Riedel illustrates a combined toilet and sewage treatment apparatus having a mascerator blade and a first and a second chamber.
U.S. Pat. No. 3,840,914 to Tufts shows a combination marine toilet provided with a bowl, trap and discharge line with means for automatically inserting treatment tablets into the sewage material.
U.S. Pat. No. 3,846,847 to Tufts illustrates a further improvement of a marine toilet utilizing a mascerator device and an improved valving system.
U.S. Pat. No. 4,054,519 to Tufts discloses a marine toilet having an improved mascerator chamber and associated blade for reducing the particle size of the sewage.
U.S. Pat. No. 4,131,959 to Albertassi et al. illustrates an integral non-polluting toilet system incorporating a mascerator blade and associated treatment devices.
U.S. Pat. No. 4,248,665 also to Albertassi is a further improvement of the non-polluting toilet system suitable for adaptation to marine heads.
Although the aformentioned patents have solved many needs in the prior art, there is a need for further improvement in the sewage treatment art in relation to
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Foley Robert W.
Greinier Martin W.
MacPherson David B.
Paris Jay E.
Pulsifer David N.
Artis Henry K.
The Eastern Company
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