Baths – closets – sinks – and spittoons – Flush closet – Bowl
Patent
1995-06-07
1997-04-22
Recla, Henry J.
Baths, closets, sinks, and spittoons
Flush closet
Bowl
4433, 4321, 4434, 4323, E03D 1100
Patent
active
056219245
ABSTRACT:
A particular vacuum tank construction is provided for a vacuum toilet assembly which mounts a vacuum pump, has great versatility and accessibility, and ensures optimized washing effect of water and waste into the vacuum tank. A tank inlet is located at the opposite end of the tank from a sump formed in the tank bottom, and an inlet fitting at the inlet is rotatable at least about 180.degree. about a vertical axis. Connected to a tank outlet is a dip tube assembly including a substantially rigid dip tube which has an oval shaped end termination opening which is above, but spaced from, the sump and positioned so that objects of a size that would harm the vacuum pump connected to the tank outlet cannot enter the dip tube. The tank is of plastic having a nominal wall thickness of about 5/16th inch, and no flat surface area is greater than about 80 square inches. The inlet is connected to a vacuum toilet, and the vacuum pump outlet is connected to a waste (holding) tank. The vacuum pump is mounted on a first top surface of a vacuum pump and is readily connected or disconnected to and from the dip tube by a spin nut. The tank includes a hollow vertical portion having an inner sidewall in which the tank outlet opening is formed, and to which a vacuum switch is connected.
REFERENCES:
patent: 3732579 (1973-05-01), Allander et al.
patent: 4159550 (1979-07-01), Tobin, Jr.
patent: 4783859 (1988-11-01), Rozenblatt et al.
patent: 5345618 (1994-09-01), Sigler et al.
patent: 5408704 (1995-04-01), Bailey et al.
Friedman William J.
Sigler James A.
Recla Henry J.
Sealand Ttechnology, Inc.
Shah Kam R.
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