Class 202/187 - Concentric with still

Subclass of Class 202 - Distillation: apparatus
Definition: The still and condenser are concentric.
No. of patents: 38
Last issue date: 06/03/2008

Number	Title	Issue Date
7381310	Installation used to obtain salt-free sea water at a low temperature with continuous operation and enthalpy recovery A sea water desalination installation that employs an evaporation-condensation system which operates continuously at a low temperature and which enables the recovery of energy released. The installation includes a cylindrical evaporator having a large evaporation su...	06/03/2008
7351312	Apparatus for obtaining sample and process therefor A vessel is provided for collecting a process stream and fractionating the process stream into a liquid and gas phase in the vessel. Cooling may be provided by an internal bath and/or an external bath. The liquid phase retained in the vessel and the gas phase collec...	04/01/2008
7276139	Method for concentrating solution An low concentration dope is fed through a nozzle into a concentrating apparatus, and flash evaporation of the low concentration dope is performed at an end of the nozzle. The low concentration dope is concentrated thereby to an concentrating dope which is contained...	10/02/2007
7258765	Vaporization 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
7258767	Solar dew tube The invention pertains to a device for the condensation of water from an aqueous liquid by using a temperature gradient, which device includes: (a) a vapor chamber that can be brought in contact with a condensation compartment wher...	08/21/2007
7225620	Diffusion driven water purification apparatus and process An apparatus for purifying water, such as for desalinization, includes a source of a heated air stream, the heated air stream having a temperature above an ambient temperature. A diffusion tower having high surface area material therein receives a water stream inclu...	06/05/2007
7174715	Hot to cold steam transformer for turbine systems A steam transformer (200) receives steam through a steam inlet (203), and the steam is mixed in a mixing zone (231) with water entering through a water inlet (205). Steam cooled by contact with the water exits the steam transformer throug...	02/13/2007
7041198	Distillation system A distillation system is provided having an evaporation conduit and a condensing conduit connected by a transfer system for transferring distillate vapour from the evaporation conduit to the condensing conduit to condense the distillate. The evaporation and condensi...	05/09/2006
6805774	Apparatus and process for purifying a liquid by thermoelectric peltier means A continuous process and apparatus is provided for treating an impure liquid to produce purified liquid. The process includes electrically activating a thermoelectric module (24) to provide a first module heated surface (26) and a module cooler surface...	10/19/2004
6695951	Saline/sewage water reclamation system The present water reclamation system includes a series of concentric thin shells. The shells mount within a housing that can be maintained under vacuum or low pressure. The shells rotate at high velocity. Contaminated liquid from outside the housing is in...	02/24/2004
5732476	Microwave-assisted separations using volatiles, and apparatus therefor The generation of volatiles from liquid or solid materials is enhanced and accelerated by exposure to microwave radiation. Normally the energy transfer is effected preferentially toward the liquid or solid materials over the generated gaseous volatiles. S...	03/31/1998
5490906	Fluid distillation apparatus Several embodiments of a fluid distillation system wherein each embodiment uses a primary container or chamber for water or fluid to be distilled and a secondary water container or chamber. The two chambers are adjacent to each other, and the secondary ch...	02/13/1996
5395483	Rotary apparatus for combined multi flashing and boiling liquids A distillation apparatus by flashing and boiling of solution and condensing the resulting steam having a central rotating partitioned brine conduit with coupling to a two-disk centrifugal distributor and a wiping blade system in a chamber having at least ...	03/07/1995
5332476	Water distillation and aeration apparatus An apparatus and method for fluid distillation in general, and in particular, of water, adapted for consumer or home use, but capable of being made and operated so that it is suitable for separating solvents and solutes and other industrial use. The appar...	07/26/1994
5205909	Apparatus for measuring reflux flow in a distillation column A method and apparatus are disclosed wherein a standpipe mounted in an accumulator outside the operating zone of a distillation column is used in conjunction with a liquid level controller to measure condensate collected in the accumulator and to change t...	04/27/1993
5176799	Evaporator with solvent recovery feature An evaporation apparatus including a vessel defining an opening at the top thereof and forming an evaporation chamber to hold a liquid composition; a condenser assembly disposed above and hermetically sealed to the vessel and having a wall defining a cond...	01/05/1993
5171407	Distillation plant for producing hydrogen peroxide A distillation plant is constructed with an evaporator, separator and distillation column integrated together on a common vertical axis so as to eliminate bends and reduced cross sections in the product flow. The distillation column employs a regular pack...	12/15/1992
4863567	Fluid distillation apparatus The invention is a fluid distillation apparatus (10) which, in its preferred embodiment, includes a cylindrical portion (12) which mates with an end wall (14) and a bell portion (16) to form an enclosed volume (18) within which evaporization and condensat...	09/05/1989
4804477	Apparatus and method for processing oil well brine An apparatus and process for the controlled concentration of oil well brine which is adapted to be situated at a well site where oil well brine is produced and which evaporates water from the brine to cause precipitable salt to precipitate out of solution...	02/14/1989
4781797	Apparatus for the recovery of gas dissolved in flue condensate An apparatus and process for separating a more volatile substance from a liquid in which it is dissolved by vacuum means. The apparatus has a perforated inner casing having a plurality of sub-stages which contain packing material to provide a tortuous pat...	11/01/1988
4769113	Method for recycling energy in counterflow heat exchange and distillation This document describes an improved method and apparatus for recycling energy in counterflow heat exchange and distillation. The basis of the invention is transferring heat with thin sheets of material having extensive surface area relative to the flow ra...	09/06/1988
4749447	Evacuated evaporation-pressurized condensation solar still This invention discloses a solar still comprising a plurality of twin conduits routed through a plurality of solar collectors wherein the liquid is evaporated in the evaporation conduit constituting the first of the twin conduits and the vapor is condense...	06/07/1988
4698135	Desalinating drip-irrigation system A system is provided for use adjacent a plant supporting material to be irrigated, for converting salt water into fresh water and dispensing the fresh water dripwise to the plant supporting material. The system comprises an evaporator member made of micro...	10/06/1987
4680090	Direct heat recycling regenerative still This invention relates to a distillation device that employs a plurality of twin tubings of coaxial arrangement or of side-by-side arrangement wherein the vaporization takes place at an evacuated state in one tubing and the condensation takes place in the...	07/14/1987
4620900	Thermopervaporation apparatus A thermopervaporation apparatus comprising a microporous membrane which is impervious to liquids while readily allowing the vapor to pass therethrough, the passage of a hot feed solution situated on one side of said microporous membrane, a porous spacer d...	11/04/1986
4575403	Apparatus for distilling phosphorus A continuous process for reducing the arsenic content of phosphorus is described in which the impure phosphorus is continually passed through a heat exchanger and heated to vaporize a portion of the phosphorus at a temperature not above 200° C., separati...	03/11/1986
4536258	Distilling apparatus operating on the thermocompressor principle Distillation apparatus is disclosed which operates according to the so-called thermocompressor principle and which incorporates tubular means disposed within the apparatus to define an inner conduit and an outer annular flow duct, means for dividing the o...	08/20/1985
4497690	Distillation A still comprising, in one aspect, a housing, a heating coil located inside the housing, a condensing coil located inside the housing and above the heating coil with vapor flow space inside turns of the coil, and having a diameter smaller than the housing...	02/05/1985
4488935	Solar/microwave vacuum continuous feed distillation apparatus An apparatus for the distillation of a fluid containing at least two constituent components is disclosed. The apparatus includes a microwave energy source and a solar energy collector, both of which may be used to heat a subject fluid to a greater tempera...	12/18/1984
4482432	Apparatus for solid/liquid separation by vaporization and condensation A continuous process of spreading a film of a solids/liquid admixture over walls of a chamber, maintaining a saturated vapor atmosphere within the chamber, vaporizing liquid of the film to provide the saturated vapor and solids, discharging the saturated ...	11/13/1984
4421605	Distillation apparatus utilizing thermocompressor principles Distillation apparatus is disclosed which operates according to the so-called thermocompressor principle and comprises a housing in which a boiling chamber is situated to accommodate the liquid to be distilled, a heating device for heating the liquid to b...	12/20/1983
4334952	Multistage molecular evaporator with wiped off film and continuous redistillation A liquid seal for a multistage molecular evaporator which is in the form of an elongated vessel having convex evaporating surfaces for carrying out a continuous redistillation. The evaporator includes at least two vacuum stages superposed one over the oth...	06/15/1982
4285776	Desalation system Salinated or other contaminated water is fed to a chamber and sprayed into an evaporation chamber that is maintained at a relatively low pressure by means of a vacuum pump or the like. This evaporates the water so that desalinated water vapor is drawn out...	08/25/1981
4282058	Apparatus for thermal treatment of flowable materials Internally of an insert arranged within a container there is disposed a pre-evaporator, which at its lower end has an inlet for the starting material and at its upper end opens into a treatment compartment or chamber. The pre-evaporator is surrounded by a...	08/04/1981
3970525	Atmospheric effects still An atmospheric effects still includes a fluid holding tank provided with a supply opening, a top cover of transparent material supported above the tank, and a vertically-disposed tapered hollow tower member having its base resting on the floor of the tank...	07/20/1976
3957589	Water purification apparatus A water purifying apparatus having an inner chamber to be filled with contaminated water which is heated by a heating unit to a point where water vapor or steam is created. The steam is evacuated from the chamber at its upper portion and passes downwardly...	05/18/1976
3930959	Combined water cooler & distiller A combined water distiller and cooler having a boiler and a steam condenser incorporating an expansion chamber with an air inlet over a distilled water accumulating tank so that condensing steam and water condensate may mix with air to improve the potable...	01/06/1976
3930960	Evaporator-condenser unit for producing potable water from sewage An evaporator-condenser unit is disclosed which includes an elongated enclosed chamber into which hot gases are injected to form a cyclonic stream therein. The hot gases impinge and pass around a substantial plurality of tubes containing relatively cool s...	01/06/1976

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Class 202/187 - Concentric with still