Baths – closets – sinks – and spittoons – Flush closet – Bowl
Patent
1986-01-24
1987-06-16
Artis, Henry K.
Baths, closets, sinks, and spittoons
Flush closet
Bowl
4318, 4321, 4323, 137577, 210767, E03D 1102, E03D 1118
Patent
active
046726900
ABSTRACT:
A sewage treatment system includes a toilet, vacuum tank, and vacuum pump. The toilet has a discharge portion at its bottom, and a foot operated valve selectively allows, or blocks, passage of water and waste from the toilet bowl into the discharge. When the valve is opened in rushing air forces waste and water from the bowl at high velocity so that the waste fragments. The vacuum tank is connected to the toilet discharge and is disposed directly below it, and has an outlet at its bottom and a dome-shaped baffle, with side openings, covering the vacuum tank outlet. A vacuum switch is operatively connected to the vacuum tank and controls the vacuum pump. The pump is operatively connected by a conduit to the vacuum tank outlet. The vacuum tank outlet has a diameter about half the size of that of the vacuum tank inlet.
REFERENCES:
patent: 3663970 (1972-05-01), Drouhard, Jr. et al.
patent: 3780757 (1973-12-01), Jordan
patent: 4242765 (1981-01-01), Russell
patent: 4332041 (1982-06-01), Kristoffersen
patent: 4357719 (1982-11-01), Badger et al.
patent: 4521925 (1985-06-01), Chen et al.
patent: 4561132 (1985-12-01), Lew et al.
Artis Henry K.
Sealand Technology, Inc.
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