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Class 202/181 - Level control


Subclass of Class 202 - Distillation: apparatus
Definition: Automatic means for controlling the level of the distilland
No. of patents: 157
Last issue date: 01/05/2010


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NumberTitleIssue Date
7641771Pressure desalination
A system for generating purified water from polluted water which includes an entry chamber communicating with a source of polluted water, a pump for delivering water vapor from the entry chamber to the vapor chamber, and a passageway for delivering condensed water f...
01/05/2010
7432482Distillation and distillate method by microwaves
A microwave energy emitter (108) is positioned in a chamber within a material holding cavity of a containment vessel (106) that is transparent to microwave energy absorption that is further surrounded by a microwave reflective component to reflect the ...
10/07/2008
7303683Microorganism-removing filter medium having high isoelectric material and low melt index binder
A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo...
12/04/2007
7304278Steam generation function-equipped high-frequency heating device
An object of the present invention is to provide a high frequency heating apparatus having a steam generating function in which a time required for evaporation of dropped water can be remarkably increased when water is dropped onto an evaporation tray and the heatin...
12/04/2007
7258765Vaporization chamber, and distillation system comprising same, providing improved temperature sensing of liquid contained in the chamber
Vaporization chambers (distillation “pots”) are disclosed in which the liquid contained in such a pot is heated and circulated to establish thermal uniformity of the liquid and to route the circulated liquid past a thermally conductive member that contacts the l...
08/21/2007
7232504Apparatus and method for distilling waste liquids
A distilling apparatus and method use a two step distillation and purification process for processing a waste liquid, such as an impure sulfuric acid solution, to form a highly concentrated sulfuric acid solution. First, the waste liquid is stored in a concentrating...
06/19/2007
7119312Microwave fluid heating and distillation method
A microwave energy emitter (108) is positioned in a microwave transparent chamber (123) within a fluid holding vessel (106) of a microwave containment vessel (122). The fluid holding vessel (106) may be transparent to microwave ene...
10/10/2006
7052582Wave powered evaporation desalination system
A wave powered evaporation desalination system for removing fresh water from salt water by extraction of water vapor from a negative pressure container using wave motion for power. The wave powered evaporation desalination system includes a first vessel that accepts...
05/30/2006
6846388Apparatus for and method of heating fluid and distilling fluid
A method and an apparatus for heating fluid with a gas heater and distilling fluid with the pilot light of the gas heater are disclosed. The apparatus for heating fluid and distilling fluid includes a main tank for containing fluid to be heated, a heater, adapted to...
01/25/2005
6830661Point of use water purification method and apparatus
A compact, energy efficient, continuous-flow point of use distillation system utilizes stacked, vertically-arranged components to provide a compact and energy efficient distillation process and a device which is quick and easy to service and maintain. A housing cont...
12/14/2004
6632329Distillation apparatus and distilling method
A distillation apparatus is provided with a distillation tower, a reboiler, a bottom outflow pipe for drawing a liquid from the bottom of the distillation tower, and a pot provided between the bottom of the distillation tower and the bottom outflow pipe. ...
10/14/2003
6582563Water purification system
An improved portable water purification system with reduced leaks and the capability of automatic draining of its boiling tank, as well as to a method of preventing water spillage from a portable water purification system and a method of draining a boilin...
06/24/2003
6551465Dividing wall column control system
The operation of the dividing wall section of a dividing wall column is controlled by a control apparatus comprising a ratio controller which divides the liquid flowing into the dividing wall section. The rate of return of overhead liquid to the column is...
04/22/2003
6451173Separator system
An improved apparatus useful in a process for separating a liquid stream (which can be an HF catalyst mixture) having a first liquid component (which can be HF), a second liquid component (which can be light ASO) and a third liquid component (which can be...
09/17/2002
6406597Water distilling device
A distilling device for converting unprocessed water into pure water including a fill tank, a base having a removable water tray with a boiling chamber therein for holding the unprocessed water, a removable mist chamber disposed above the base and having ...
06/18/2002
6402897Apparatus for distilling, heating and storing liquid
A combination liquid distillation unit and heater, where the distilled liquid is heated to an elevated temperature to effect distillation, and then stored and maintained at an elevated temperature in a hot liquid tank. Thermal communication between the di...
06/11/2002
6365005Apparatus and method for vapor compression distillation
An improved design of a vapor compression distiller which makes use of a rapid, highly turbulent flow through the heat-of-evaporation recovery, or primary, heat exchanger. The distiller may also include the use of turbulators to increase turbulence and mi...
04/02/2002
6325898Constituent separation system
A device allows for continuous regulation of the composition of a fluid mixture that includes at least two components of different polarities. The device is designed, for example, to be inserted in a separation system that the device supplies with a carri...
12/04/2001
6303006System and method for distilling liquid
A vacuum type distilling system includes a sealed container including a vaporization chamber for containing a liquid and a condensation chamber, a pressure-reducing device, a condensing device, a heating device, and a vapor-collecting device including a f...
10/16/2001
6303005Process and device for producing high-purity liquid chemicals
For a process for producing high-purity liquids, particularly liquid chemicals, by distillation it is proposed that the liquid to be purified (1) is heated by microwave radiation (5) preferably in the uppermost layers. To implement this process a device w...
10/16/2001
6290819Distillation apparatus
A continuous-flow water distiller includes a housing having a removable heating vessel which receives water to be distilled A heater is immersed within the water in the vessel for producing steam. The housing includes an openable lid which, when closed, s...
09/18/2001
6274004Water purification device
A water purification and/or desalination plant for producing drinking water from a polluted water source or sea water with the aid of sunlight, which plant includes an evaporator (1) having a roof part (2) made of a light-penetrable material, and an under...
08/14/2001
6200428Wastewater treatment apparatus and method
Wastewater treatment apparatus having a fluid receiving vessel for collecting and heating wastewater to a temperature below boiling, a superheated vaporizing chamber and at least one spray head to spray wastewater into the vaporizing chamber for conversio...
03/13/2001
6117275Process and device for regenerating a contaminated solvent
Process and apparatus for regenerating a contaminated solvent wherein said solvent is first separated from higher-boiling contaminants in an evaporator, and then contaminants having a lower boiling point than said solvent are separated out in a condenser ...
09/12/2000
6113744Water distillation apparatus
A water distillation apparatus includes a degasification chamber having a top and a bottom. A liquid inlet is positioned adjacent to the bottom. A gas outlet is positioned adjacent to the top. A liquid outlet is positioned intermediate the top and the bot...
09/05/2000
6080280Structure for refining glycol in a natural gas dehydration plant
Contaminated glycol in a natural gas dehydration plant is refined by vacuum distillation. The equipment to perform the refining by vacuum distillation is mounted upon a trailer. The equipment on the trailer is connected by an inlet line to the dehydration...
06/27/2000
5980695Apparatus for vacuum distillation of solvents
A system for the vacuum distillation of contaminated solvents incorporates a tank for holding a liquid contaminated solvent, a heating chamber surrounding the tank for heating the liquid contaminated solvent into an evaporated solvent, a drift elimination...
11/09/1999
5968321Vapor compression distillation system and method
Distillation system having an evaporator/condenser core with heat transfer plates welded together along their edges to form alternate boiling and condensing chambers. Feed liquid is supplied to the boiling chambers through a pair of heat exchangers which ...
10/19/1999
5932073Distillation apparatus
A water distiller incorporates a removable vessel for containing water, a heat source disposed below the removable vessel for heating the water to produce steam, a condenser for condensing the steam into distilled water, and an outlet from the condenser f...
08/03/1999
5922174Distilling apparatus
Distilling equipment including evaporation apparatus having a boiling chamber and equipment and conduits for supplying raw liquid to the boiling chamber, a plurality of cells with the first cell being connected to the top of the boiling chamber to receive...
07/13/1999
5846387On-site manufacture of ultra-high-purity hydrochloric acid for semiconductor processing
Highly purified HCl for use in semiconductor manufacturing is prepared on-site by drawing HCl vapor from a liquid HCl reservoir, and scrubbing the filtered vapor in a low-pH aqueous scrubber....
12/08/1998
5833812Low maintenance water distiller
The water distiller 10 includes a plurality of housings 12, 14, 16 each mounted below a support plate 32. A voltage regulator 144 maintains a desired voltage potential between heating probes 34 and 36 within a heating bowl 46. An operator selector 142 aut...
11/10/1998
5827402Drinking water apparatus
An improved drinking water apparatus is provided which utilizes a microcomputer to detect water level to automatically control water intake and heating. The apparatus includes a heating tank having a heater at the bottom side, a first cooling pipe at the ...
10/27/1998
5738761Sewage treatment process and apparatus
A waste water treatment system includes a preliminary first stage separator for separating an aqueous phase from other materials. A pressure vessel sedimentation follows for removing most of the remaining solids from the waste material. The liquid and a m...
04/14/1998
5705036Water distilling apparatus
A water distilling apparatus includes a preheat tank having an inlet and an outlet for storing water from a water source via the inlet, a boiling tank formed of a conductive casing connected to a ground potential and having an inlet in connection with the...
01/06/1998
5676800Distilling apparatus
A distilling apparatus which includes a water chamber to receive cold water from an external water supply source, a heating chamber having an electric heater controlled to heat water to the boiling point, a guide pipe connected between the bottom side of ...
10/14/1997
5662779Portable water purification apparatus
A water purification apparatus positionable on an existing dispenser has a valve control member positionable in the water plenum of the dispenser to control release of purified water from the apparatus to the dispenser. A feedwater tank receives supply wa...
09/02/1997
5587055Water distilling apparatus and method
A water distillation apparatus and method include an improved control system for operation and maintenance, condensers with plastic to metal seals between a plastic condenser manifold and metallic cooling tubes, and a filter with steam bypass to allow for...
12/24/1996
5571385Method and apparatus for water purification
A water purification method and apparatus is described which distills a contaminated water supply having contaminants dissolved therein with electrically powered spaced apart immersion electrodes. When connected to a source of alternating electrical curre...
11/05/1996
5569357Vortex evaporator
A vortex evaporator having a holder for holding at least one container presents a chamber wherein liquid is evaporated from a liquid and solid solution in a container. The vortex evaporator also includes a drive mechanism, coupled to the holder, for movin...
10/29/1996
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