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6776823 |
Gas/liquid separating devices
Gas/liquid separating devices include a separator ( 1 ) for separating a mixed gas/liquid flow (M). A liquid drain ( 2 ) communicates with the separator and defines a liquid storage chamber ( 30 )....
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6767380 |
Drum lid for minimal liquid carryover in a vacuum system
A universal drum lid for vacuum systems includes an inlet port configured to intercept downwardly flowing influent at a baffle and engage a direction plate which redirects the flow laterally...
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6517596 |
Wet pickup attachment for vacuum cleaners
A wet pickup attachment for vacuum cleaners has a pair of independent float operated valves to close primary and secondary exhaust openings responsive to different water levels in a collection tank...
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6481049 |
Self-evacuating vacuum cleaner
A vacuum cleaner has an electric motor driving an air impeller for creating a low pressure and a pump which draws liquid material through an inlet tube from the bottom of a tank and expels it from...
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6213146 |
Valve assembly for preventing liquid ingestion and methods
A valve assembly includes a housing and a float. The housing is constructed and arranged to inhibit movement of the float between a resting position to a position where it is situated in its valve...
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6112366 |
Outlet priming self-evacuation vacuum cleaner
A vacuum cleaner has an electric motor driving an air impeller for creating suction and a pump which draws liquid material through an inlet tube from the bottom of a tank and expels it from the...
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6113663 |
Vacuum cleaner having a dual filter assembly
A vacuum cleaner having a dual filter assembly includes a filter cage, a primary filter disposed on the filter cage, and a secondary filter disposed downstream of the primary filter. A float valve...
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5954863 |
Wet and dry vacuum with float valve system
A wet and dry vacuum that includes a housing that is open across its top end and is arranged to be covered by a removable lid wherein is mounted a vacuum source. The housing includes an inlet port...
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5918344 |
Self-evacuating vacuum cleaner
A vacuum cleaner has an electric motor driving an air impeller for creating suction and a pump impeller which is located in the tank and draws liquid material from the bottom of the tank and expels...
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5824135 |
High volume air-water separator
This invention consists of apparatus and methods for separating fluids of differing specific gravities, and more particularly apparatus and methods for separating a high volume flow of fluid...
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5820657 |
Method and apparatus for percolating vacuum cleaning
Method and Apparatus for Percolating Vacuum Cleaning wherein driven by vacuum incoming to the apparatus mixture of air and other substances is directed under the top surface of a liquid, where...
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5762684 |
Treating liquid supplying method and apparatus
A degassing module mounted in an intermediate position of a delivery pipe includes a fluid passage formed of a gas-permeable film material. The fluid passage is enclosed in a gas-tight vacuum...
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5570489 |
Liquid extraction device for a vacuum cleaner
A liquid extraction device for a vacuum cleaner includes a base equipped with wheels, a container having an opening and a closed bottom end received on the base, a cover sealedly mounted over the...
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5498270 |
Sulfur trap
A sulfur trap includes a vertically-elongated upper chamber, a lower chamber, a segregating wall, an orifice in the segregating wall, an upwardly extending hollow cylinder adjacent the orifice, a...
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5273561 |
Critically safe volume vacuum pickup for use in wet or dry cleanup of radioactive enclosures
A physical compact vacuum pickup device of critically safe volume and geometric shape is provided for use in radioactive enclosures, such as a small glove box, to facilitate manual cleanup of...
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5205014 |
Vacuum cleaner having a liquid medium filter
A vacuum cleaner has wet and dry modes. In dry mode, air containing dust is passed through a multi-stage filter including adjacent subchambers containing a liquid for removing microscopic dust from...
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5192344 |
Wet filter vacuum cleaner
A vacuum cleaner having a substantially cylindrical tank with a bottom, a cover which pneumatically closes the tank to define a vacuum chamber, an eccentric inlet and an outlet through the tank...
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5182834 |
Vacuum pump-out control valve for wet/dry vacuum cleaner
A pump-out control valve for use in connection with a wet/dry vacuum cleaner that includes a collection tank, a top cover and a vacuum blower with an air inlet and air outlet. The control valve is...
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5122167 |
Free-flow gas filter assembly
A gas filter assembly for filtering pressurized gas comprises a body with a gas inlet port and a gas outlet port with a central passageway extending downwardly from the inner end of the outlet...
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5032155 |
Wet/dry vacuum with automatic shutoff
A wet/dry vacuum cleaner including a tank for the collection of liquid, an inlet socket for connection to a suction head, a cover for closing the top of the tank, and a centrifugal vacuum blower...
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5002592 |
Waste tank for a vacuum sewage system
A waste tank for a vacuum sewage system installed in a transport vehicle comprises a receptacle portion for receiving sewage up to a predetermined maximum filling level. The tank defines an inlet...
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4951700 |
Equipment for measuring the yield of oil wells
An apparatus is disclosed for the continuous and reliable measurement of the yield of oil wells. The fluid from the well, consisting of mixture of oil and gas, is directed into a two-phase...
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4934021 |
Vacuum cleaning water separator
Vacuum cleaning water separator for a vacuum cleaner including a receptacle (1) having a cover (2), and a closing mechanism (7) comprising a float operable valve (10) to seal-off a suction channel...
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4894881 |
Wet/dry vacuum machine
A vacuum machine for collecting hazardous materials is adapted for wet or dry applications without diminishing the storage capacity of the reservoir.
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4842622 |
Gas/liquid/solids separator
The apparatus includes a swirl vanes device for reducing the velocity of exhaust fumes fed into an enclosed container with the accompanying direction and volume changes enhancing the separation of...
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4821367 |
Recovery chamber for spray-type vacuum cleaning apparatus
A recovery chamber for collection of dirt-laden fluid in a spray-type vacuum cleaning apparatus. The apparatus has a container for collection of the fluid, a vacuum source located at the bottom of...
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4708157 |
Air eliminator for fluid handling systems
An air eliminator for liquid handling systems comprises a cylindrical container having a liquid inlet and a liquid outlet which are separated from one another by a cylindrical porous barrier...
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4623366 |
Grid element for lid of a cannister type vacuum cleaner
A wet/dry cannister-type vacuum cleaner is provided with a plastic grid unit that includes a spherical cup-like main section, an upper annular mounting lip, a short tubular support disposed within...
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4531955 |
Flooded compressor separators
A separator for a flooded liquid/gas compressor comprising a pressure vessel having an inlet for compressed liquid/gas mixture, a lower outlet for liquid and an upper outlet for clean gas, a filter...
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4508550 |
Air flow responsive outlet from tank of vacuum cleaner
An electric vacuum cleaner includes a tank for collecting suctioned liquid and particulate materials, an inlet to the tank, an air exit from the tank and a blower motor for drawing air out the air...
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4251240 |
Pump valve assembly
A device for separating air entrained in, and associated with, liquid being pumped. The device comprises a tank member communicating with the intake chamber of a liquid pump and with a vacuum pump....
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4185974 |
Integral filter cage and lid for cannister type vacuum cleaner
In a cannister or tank type vacuum cleaner which uses a generally cylindrical filter element that is fitted around a generally cylindrical filter cage, the cage is an integral plastic molding with...
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4179768 |
Vacuum dumping arrangement for a wet/dry vacuum cleaner
A dumping system for a wet/dry tank type vacuum cleaner which functions to empty the liquid solution together with the dirt and debris accumulated in the tank. The dumping system is controlled by...
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4171208 |
Vacuum cleaner including diverter valve
A wet/dry vacuum apparatus is disclosed including a collection tank and a suction head. The suction head includes a base defining a tank inlet aperture, a blower intake aperture, a blower exhaust...
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4142270 |
Wet-dry vacuum cleaner baffle strainer system
This invention relates to a vacuum cleaning machine which is capable of operating in a wet or dry environment. It may also be used as a "steam" cleaning machine by applying a hot solution of...
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4138761 |
Convertible wet/dry vacuum cleaner
This invention relates to a vacuum cleaning machine which is capable of operating as a wet or dry pickup without any substantial modification in the basic structure of the machine. To convert from...
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4055405 |
Accessory for use with vacuum cleaners or vacuum-cleaning conduits
An accessory for use in a vacuum cleaner or a vacuum-cleaning conduit for collecting and holding liquid sucked up by the vacuum cleaner, comprising: a container having a reservoir for holding the...
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4041569 |
Separator system
A separator system for use in removing liquid from a surface, which surface may be liquid or solid. The system consists of a pickup head, a separator, and an exhaust source which draws air through...
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4029487 |
Apparatus for protecting vacuum sources including valve which alternately communicates with vacuum and atmosphere
An apparatus for protecting vacuum sources from contamination occasioned by aspiration of fluids or aerosols from a device operated by such vacuum sources, having an enclosed vessel in...
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3940861 |
Condenser apparatus
Condenser apparatus for removing moisture from the air including a housing for the condenser apparatus, which housing has both a cooling liquid inlet and an air inlet at one end. Within the housing...
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3909219 |
Vacuum cleaner filter assembly
A filter assembly for utility type vertical axis vacuum cleaner comprising three separate members- a substantially cup-like fabric filter including a resilient upper peripheral edge, a rigid hoop...
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3854163 |
LIQUID-VACUUM GENERATOR FOR USE WITH TWO CHAMBER CLEANING NOZZLE
A compact liquid - vacuum generator for use with a two chamber cleaning nozzle in rug and upholstery cleaning comprises a vacuum unit and a liquid unit, which may be transported and stored...
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3849071 |
BLOOD-GAS SEPARATING SYSTEM FOR PERFUSATE CIRCULATION
A blood-gas separating chamber provides an inlet for receiving oxygenated blood along with undissolved gas from an oxygenator unit through a constant displacement pump and further provides an...
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3296777 |
Combination vacuum sweeper and liquid vaporizer
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3290865 |
Suction apparatus for liquids and foam
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3267511 |
Vacuum mopping apparatus
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3180071 |
Suction cleaner
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3179097 |
Vent valve for preventing excess crankcase pressure or vacuum
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3173164 |
Builtin vacuum cleaner
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3074217 |
Shut-off valve mechanism for wet pick-up vacuum cleaner
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