Abstract: A vacuum transport system suited to moving FOG-laden water. The system includes a first reservoir and at least one vacuum pump in fluid communication with the first reservoir and operable to produce a vacuum within the first reservoir. A first accumulator is positioned to collect FOG-laden water from a first FOG-laden water source. A first valve is operable to selectively provide fluid communication between the first accumulator and the first reservoir. FOG-laden water can be drained from the first reservoir into a grease interceptor disposed in the building exterior.

Abstract: A vacuum drainage system operable to remove waste from a source. The system includes an accumulator in fluid communication with the source and a substantially vertical riser having a first portion in fluid communication with the accumulator and a second portion downstream of the first portion and in fluid communication with a vacuum source. A first valve is disposed between the first portion and the second portion. The first valve is selectively operable to provide fluid communication between the first portion and the vacuum source. An air inlet is disposed a distance downstream of the first valve and is selectively operable to provide fluid communication between the outside atmosphere and the second portion.

Abstract: A toilet comprising a bowl and an enclosure. At least one of the bowl and enclosure are movable relative to the other of the bowl and enclosure between a first position and a second position. When in the first position the bowl is sealably enclosed within the enclosure and a vent is operable to admit air into the enclosure.

Abstract: A vacuum drainage system operable to remove waste from a source. The system includes an accumulator in fluid communication with the source and a substantially vertical riser having a first portion in fluid communication with the accumulator and a second portion downstream of the first portion and in fluid communication with a vacuum source. A first valve is disposed between the first portion and the second portion. The first valve is selectively operable to provide fluid communication between the first portion and the vacuum source. An air inlet is disposed a distance downstream of the first valve and is selectively operable to provide fluid communication between the outside atmosphere and the second portion.

Abstract: An improved blow out toilet having remarkably low water volume usage. The toilet is of the type having a toilet bowl including a rinse ring having a rinse water nozzle directing water therein and a trap including a flush water nozzle. The improvement includes the reshaping of the toilet bowl and the reduction in size and reshaping of both the rinse water orifice and the flush water orifice.

Abstract: An improved sprayhead for group washfountains of the type having several washing stations positioned around a sprayhead located over a single bowl. The washfountain has a hollow sprayhead having an exterior wall which holds not only the nozzles but also a soap reservoir and hand actuated buttons. The valves which supply water to the nozzles are preferably positioned in the pedestal below the bowl of the washfountain.

Abstract: A push button assembly for moving a volume of fluid out of and into a port. The assembly has a housing containing a rubber-domed diaphragm. The domed diaphragm is designed so that it is deformable but readily returns to its original shape. The pressing of the push button depresses the diaphragm, thereby forcing air or other fluid out of the exit port. When the button is released, the diaphragm returns to its original shape pulling fluid back through the port.

Abstract: An improved, delayed closing plumbing valve of the type having a cartridge with hydraulic fluid in a sealed chamber retained between an upper and lower diaphragm positioned about a longitudinally movable valve stem assembly. The chamber has a one-way piston which divides the chamber into an upper and lower section, and there is a restricted fluid flow path between the two sections. A water shut off gasket is at the base of a valve stem and has a removable gasket ring to permit the replacement of the gasket. The valve seat may also be removable for replacement. The lower diaphragm is provided with a sealed chamber to prevent its degradation by particles in the water. The diaphragms at the upper and lower end of the chamber are retained and sealed to the valve stem by retaining rings having a conical upper end which holds the inner part of the diaphragm against the valve stem. The diaphragms preferably permit the turning of the valve stem with respect to the cartridge without damage to the diaphragms.

Abstract: An improved, remote controlled valve and dual push button assembly, having a hand operated push button which, when depressed and released, opens a water valve for a predetermined length of time after which the valve closes. The valve is also connected to a foot operated push button which, when depressed, holds the valve in an open configuration as long as the foot button is depressed. The improved valve and button assembly provides an air flow path through the foot button when the foot button is not depressed. The air flow path utilizes a hole in a diaphragm of the foot button which communicates with an air flow path in the base of the piston which depresses the foot button diaphragm. The disclosure also includes a check valve held in the needle valve which is a part of the timing mechanism of the hand operated button. The check valve prevents the flow of air out through the needle valve and permits air to only flow in through the needle valve.