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7373946 |
Vacuum tank assembly
A vacuum tank assembly is provided for use on an RV or a boat and includes a two-piece vacuum tank. The two-piece vacuum tank includes a body and a removable top with a gasket located between the...
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7207073 |
Vacuum assisted toilet
A toilet is provided with a vacuum to assist in the flushing process. The vacuum is provided downstream between the toilet bowl and a waste outlet to draw the waste contents of the toilet bowl and...
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6910231 |
Toilet system with a toilet pan
A toilet system which can be rinsed by a rinsing device. A pipe is connected to the toilet pan and leads to a sanitation pipe. Means are provided for transporting a suction material from the toilet...
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6782563 |
Vacuum tank construction
A vacuum tank assembly includes a vacuum tank that has a low profile and will fit in small, and particularly low height, compartments of a boat or RV. The tank is connected to a vacuum toilet and a...
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6732386 |
Rinse fluid valve for a vacuum toilet
A rinse fluid valve for use in a vacuum toilet system is disclosed. The vacuum toilet system includes a waste receptacle with a rinse fluid dispenser associated therewith and a source of rinse...
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6704947 |
Discharge valve for a vacuum toilet
A discharge valve is disclosed for use in a vacuum toilet system having a waste receptacle defining an outlet and a sewer line placeable under partial vacuum. The discharge valve comprises a...
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6681412 |
PTFE membrane filter for exhaust air of vacuum toilet system
A filter arrangement for a vacuum toilet system includes a filter element arranged in a filter housing connected to a waste water tank of the vacuum toilet system. The filter element includes a...
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6625822 |
Toilet with a modular vacuum flush system
A toilet bowl ( 10 ), a tank ( 20 ) for the reception of a quantity of wastewater, a cut-off valve ( 12 ) between the bowl outlet and the tank inlet, a vacuum generator ( 22 ) connected to the tank...
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6536055 |
Modular vacuum toilet with line replaceable units
A modular vacuum toilet, and a method of servicing such a toilet, are disclosed. The toilet is used with a vacuum toilet system having a sewer line placeable under partial vacuum pressure and a...
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6536054 |
Vacuum toilet bowl assembly having removable bowl
A vacuum bowl assembly for use in a vacuum toilet positioned on a support surface and having a discharge valve. The vacuum bowl assembly comprises a frame having a bottom member adapted to engage...
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6513174 |
Vacuum unit and a vacuum toilet system comprising such a unit
A vacuum unit, particularly for a vacuum toilet system, includes first and second valves ( 4, 6 ), an ejector ( 10 ) connected to the first valve, and a piston valve ( 16 ) which is connected...
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6510564 |
Vacuum toilet system for a vehicle
A vacuum toilet system comprises a plurality of toilets, a collecting tank, a conduit system that connects the plurality of toilets with the collecting tank, and a vacuum generator that is...
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6453481 |
Vacuum waste system having a vacuum control valve
A vacuum waste system is disclosed having a receptacle for receiving waste, the receptacle having an outlet, and a collection tank in fluid communication with the receptacle outlet. A vacuum source...
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6434759 |
Automatically operable lid for a vacuum waste receptacle
A vacuum toilet for use with a waste pipe maintained under partial vacuum pressure. The vacuum toilet comprises a bowl having an upper surface defining an opening and a lid supported for pivotable...
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6421843 |
Low water volume toilet
A toilet and method for flushing using less than 1 gallon of water, comprising: a toilet body comprising a bowl, support walls, rim, and a waste outlet; a water jet macerator having a waste inlet...
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6401270 |
Toilet apparatus
An embodiment provides a toilet having a toilet pan 11 , an outlet pipe 78 for the contents of the pan, a closeable lid 21 on the pan forming with the pan a waste receptacle chamber, a seal ...
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6397407 |
Vacuum toilet system with single pump
A multi-position (e.g. three way) valve is operatively connected to a combined vacuum/holding tank for a vacuum toilet system, and to a pump capable of pumping both air and sewage. When the valve...
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6393635 |
Galley waste disposal system and method
A waste disposal system quietly and effectively evacuates solid, liquid, and slurry food waste from a galley sink via a vacuum action created when a normally closed flush valve momentarily opens...
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6385789 |
Vacuum gallery waste disposal system
A galley waste disposal system is provided for use with an existing vacuum collection system. The galley waste disposal system includes a basin for receiving galley waste and a discharge valve...
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6370709 |
Discharge valve having a disk with a flushing aperture and an air intake aperture for a vacuum toilet
A discharge valve is disclosed for use in a vacuum toilet system having a waste receptacle defining an outlet and a sewer line placeable under partial vacuum. The discharge valve comprises a...
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6360768 |
Control apparatus for pneumatic evacuation and water valves, operated by vacuum pressure
A control apparatus for pneumatic evacuation and/or water valves, operated by vacuum pressure and used for a vacuum sewerage system, particularly for pneumatically operated sanitary appliances,...
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6357056 |
Water saving toilet system
A toilet system having a toilet bowl including at a bottom thereof a discharge opening. The discharge opening of the bowl is connected to the intake opening of a treating chamber. A discharge pump...
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6349424 |
Rinse fluid valve for a vacuum toilet
A rinse fluid valve for use in a vacuum toilet system is disclosed. The vacuum toilet system includes a waste receptacle with a rinse fluid dispenser associated therewith and a source of rinse...
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6349425 |
Valve set for a vacuum toilet
An integrated valve set for use in a vacuum toilet system is disclosed. The vacuum toilet system includes a waste receptacle defining an outlet and having a rinse fluid nozzle, a source of rinse...
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6243887 |
Sewer system
A sewer system includes a disposal system under atmospheric pressure, a sanitary unit provided with a water trap, and a branch sewer pipe connecting the sanitary unit to the disposal system. A...
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6240575 |
Evacuation system provided with a shut-off valve, and process for maintaining in operating conditions a shut-off valve in a vaccum evacuation system
The toilet discharge system includes a valve with a body (1) and a shutter member (2), and an unblocking apparatus for the shutter member which acts to displace the shutter between the closing...
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6226807 |
System and method for a reduced water consumption vacuum toilet
A system and method for reducing water consumption in a vacuum toilet on an aircraft. The system and method includes a weight sensing device that is mounted to an aircraft toilet and is responsive...
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6223361 |
Galley waste disposal system
A waste disposal system quietly and effectively evacuates solid, liquid, and slurry food waste from a galley sink via a vacuum action created when a normally closed flush valve momentarily opens...
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6223357 |
Vacuum toilet
A vacuum toilet comprising a bowl with flushing nozzles, a shut-off valve and a waste pipe. Connected in the lower region of the bowl is a pipe (12) which leads from the latter upwards and...
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6216285 |
Waste transport arrangement
A vacuum waste system having reduced noise levels associated therewith. The vacuum waste system includes a sanitary unit for initially receiving waste. An intermediate container is connected to the...
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6216284 |
Low odor permeable hose
Flexible PVC hose can be used with toilet systems in vehicles, such as boats, recreational vehicles, etc, or at pumpout stations. The hose includes about 40-55% by weight PVC resin, and at least...
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6128789 |
Method and device for operating the water flushing and the discharge valve in a toilet or the like connected to a vacuum sewer
A method for controlling the discharge valve (3) and preferably the flushing of a toilet or the like in a vacuum sewer system is characterized in that the discharge valve opens and closes with...
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6119283 |
Method and apparatus for evacuation of liquids
A method and apparatus for evacuation of liquids, such as wastewater from e.g. wash basins, urinals, bath tubs or showers, whereby the liquid is collected in a sump, generates a hydrostatic...
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6085366 |
Apparatus for supplying pressurized rinse water to a toilet
Apparatus for pressurizing rinse fluid to a toilet is provided comprising a reservoir for receiving gravity fed rinse fluid. The reservoir is connected to a source of pressurized air through an air...
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6082979 |
Air pump for vacuum toilet systems
A vacuum toilet assembly including a vacuum toilet and a vacuum tank (e.g. a combined holding and vacuum tank) uses a simple air pump to remove air from the tank to create a partial vacuum. The air...
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6012678 |
Galley vacuum waste disposal system
A galley vacuum waste disposal system is provided to facilitate the transport of galley waste. The system includes a basin for depositing waste. The basin is connected to a drain line coupled to a...
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6006373 |
System for collecting and disposing of aircraft galley waste
A galley waste collection system for a passenger transport vehicle having a vacuum sewage collection system includes a basin for receiving galley waste and a normally-closed discharge valve...
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5983414 |
Electrical control device
A vacuum sewer toilet system comprises a toilet compartment, a toilet bowl installed in the toilet compartment, a vacuum sewer, at least one electrically operated device for initiating an emptying...
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5974597 |
Portable and covered toilet
A portable and covered toilet which can be easily assembled and used in a variety of remote locations that require proper waste disposal. An inexpensive flushing system maintains sanitary...
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5971005 |
Vacuum adaptor for recreation vehicle toilet system with sliding cassette holding tank
A conventional recreation vehicle or caravan toilet, which normally is connected by a simple slide valve to a holding tank mounted below it, can be easily converted to a vacuum toilet at a...
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5960829 |
No drip vacuum tight connector
A no-drip, substantially air, vacuum, and liquid tight connection is provided between a conduit and a tank, such as a combined sewage and holding tank for a boat or recreational vehicle. The...
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5956780 |
Vacuum flush waste disposal system for railcars
A vacuum-operated waste disposal toilet system suitable for use on commercial passenger vehicles, in particular railcars, including at least one bowl for receiving waste material and a...
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5947047 |
Seacock interlocking
A boat has a seacock operatively attached to the hull and movable between open and closed positions. The seacock is operatively connected to a discharge pump, which in turn is connected to a sewage...
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5937888 |
Toilet waste collection system for campgrounds
The unpleasant task of manually removing a sewage holding tank from a recreation vehicle at a campground, and emptying it, is avoided by operatively connecting the RV sewage system to a stationary...
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5931642 |
Plastic combined vacuum and holding tank
A vacuum sewage handling assembly particularly for boats and recreational vehicles or caravans has a minimum of components because the conventional vacuum and holding tanks have been combined into...
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5909968 |
Vacuum toilet unit
A vacuum toilet unit comprises a toilet bowl, an operating mechanism for the toilet function, and an outer shell enclosing both the toilet bowl and the operating mechanism. In normal use of the...
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5873135 |
Air pressure driven vacuum sewer system
A vacuum sewer system comprises a normally closed sewer valve connected between the outlet opening of a waste receiving unit to be emptied and a sewer pipe, and an ejector. The ejector is an...
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5829471 |
Valve, particularly for vacuum drainage systems
A valve particularly for vacuum drainage systems, comprising a valve housing (1) with an inlet (2), a through-flow part (11) and an outlet (3), and a device with an actuator for the opening and...
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5813061 |
Air pressure driven vacuum sewer system
A vacuum sewer system comprises a normally closed sewer valve connected between the outlet opening of a waste receiving unit to be emptied and a sewer pipe, and an ejector. The ejector is an...
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5749102 |
In-line sewage pump
An automatically activated pump for advancing mixed fluid waste from a toilet for disposal at an elevation above the toilet utilizes a flow sensing blade disposed within an intake conduit. The...
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