| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 095091000 | Soluble or deliquescent material used | 26 |
| 20080236388 | Cartridge for Treating a Gas - Cartridge for the treatment of a gas by reaction with a reactive substance, comprising a cohesive assembly of alveolate cells that are at least partly filled with the reactive substance, the alveolate cells possessing one part of their wall which is permeable to the gas and impermeable to the reactive substance, said wall part being intended to be in contact with the gas. | 10-02-2008 |
| 20090071331 | SYSTEMS AND METHODS FOR REDUCING OFF-GASSED OZONE - Systems and methods for producing ozonated water on demand. In particular, these systems comprise a water source, an ozone source, and a nozzle that mixes ozone and water to form a highly concentrated, ozonated water solution. Instead of requiring the ozonated water to be re-circulated to achieve a desired ozone concentration, the nozzle is configured to form the ozonated water solution in a single pass through the nozzle. Additionally, instead of requiring the ozonated water to be discharged into a pressurized tank to increase ozone absorption, the nozzle allows the ozonated water to be openly discharge. In some cases, the nozzle comprises a venturi with multiple ozone inlets to increase mixing. Additionally, in some cases the nozzle comprises a single pass mixing mechanism that mixes the water and ozone to form the high concentrate, ozonated water solution in a single pass through the nozzle. | 03-19-2009 |
| 20090188386 | Method and Device for Controlling Relative Humidity in an Enclosure - Methods of controlling relative humidity in an enclosure that include preparing an aqueous solution, the aqueous solution including a hydratable salt, the hydratable salt including a divalent cation; preparing a second composition, the second composition including the aqueous solution; and polyacrylamide, a copolymer of polyacrylic acid and polyacrylamide, or both; and placing the second composition in the enclosure, wherein the second composition absorbs water from the atmosphere of the enclosure. Devices and systems including desiccants are also disclosed. | 07-30-2009 |
| 20110011260 | Microwave reactivation system for standard and explosion-proof dehumidification system - The present invention relates to dehumidification equipment and more specifically to a microwave reactivation system and new method of reactivation/regeneration of the desiccant dehumidification system and desiccant rotor for use in conventional desiccants as well as the explosion-proof dehumidification system used in hazardous locations and or applications. The dehumidification system incorporates a desiccant rotor assembly which is located in the cabinet and the rotor rotatively mounted inside this cabinet. The desiccant rotor core is impregnated with a desiccant type material. Mechanical means are provided for rotating the desiccant rotor within the cabinet. The Microwave System and method of reactivation is designed to provide an indirect, safe and energy efficient source of heat and temperature rise required in the reactivation section of the desiccant unit for the release into atmosphere of the water vapors which are accumulated in the desiccant rotor. This microwave system and method is based on heat transfer produced from a heated fluid which is pumped through a closed loop coil assembly. This closed loop coil assembly is located and runs through both the isolated heating chamber of the microwave section and the reactivation/regeneration section in the dehumidification system. | 01-20-2011 |
| 20110120305 | AMINO ACID SALT ARTICLES AND METHODS OF MAKING AND USING THEM - An article comprising a substrate; and an amino acid salt disposed on the substrate. The article may be useful, for example, in the removal of an acid gas component from a gas. | 05-26-2011 |
| 20110120306 | CARBOXYLIC ACID SALT ARTICLES AND METHODS OF MAKING AND USING THEM - An article comprising a substrate; and a carboxylic acid alkali salt disposed on the substrate, wherein the carboxylic acid alkali salt is derived from a carboxylic acid having at least one dissociation constant greater than or equal to 5. The article may be useful, for example, in the removal of an acid gas component from a gas. | 05-26-2011 |
| 20110226128 | Passive desiccant system - In a method for removing moisture from an optical system at high altitude, the improvement comprises using the difference in flow resistance between the desiccant path and the optical cavity path to enable airflow through the desiccant unit and not through the optical path. | 09-22-2011 |
| 20110232485 | COMPOSITE DESICCANT AND AIR-TO-WATER SYSTEM AND METHOD - A composite desiccant material is formed by a porous, absorbent substrate of PVA foam or non-woven fibrous sheet is soaked in a solution of a hygroscopic desiccant such as CaCl. The desiccant is held in pores or fibrous entraining areas sized ranging from 50 microns to 1000 microns. Thin sheets are arranged in a stack in a multi-chamber system, while in an absorption state, uses this stack in a main chamber to absorb H | 09-29-2011 |
| 20110252966 | AIR DRYING ARRANGEMENT - An air drying arrangement for a commercial vehicle is provided having two or more desiccant canisters arranged in parallel on a single air dryer body. The arrangement may include a coupling device that attaches to the body and allows the two or more desiccant containing canisters to mount to the device. The arrangement may be configured to balance the flow of air to each of the desiccant containing canisters when drying air and/or when regenerating the desiccant. | 10-20-2011 |
| 20120097029 | WATER RECOVERY USING THERMALLY LINKED SORBENT BEDS - A water recovery system includes a sorbing bed, a desorbing bed, a heat pump and a controller. The sorbing bed receives a first fluid stream and absorbs and/or adsorbs water from the first fluid stream. The desorbing bed is aligned with and thermally connected to the sorbing bed, and receives a second fluid stream and desorbs water to the second fluid stream. The heat pump is positioned between the sorbing bed and the desorbing bed and transfers heat from the sorbing bed to the desorbing bed. The controller distributes power to the heat pump to maintain an area near the outlet of the desorbing bed at a temperature greater than an area of the sorbing bed aligned with the area near the outlet of the desorbing bed. A method for recovering water from a fluid stream includes directing fluid streams through the described water recovery system. | 04-26-2012 |
| 20120103192 | AIRCRAFT FUEL TANK VENTILATION - An aircraft fuel tank ventilation system includes a dehumidifying device disposed in flow communication between a vent open to the atmosphere and a fuel tank. A method of dehumidifying air introduced into an aircraft fuel tank via a ventilation system includes directing atmospheric air through a dehumidifying device disposed in flow communication between a vent of the ventilation system and the fuel tank, which removes water vapour from the air flowing from the vent towards the fuel tank. A method of regenerating a desiccant medium used to dehumidify air introduced into an aircraft fuel tank via a ventilation system includes directing air through the desiccant medium so as to dry the desiccant medium. | 05-03-2012 |
| 20120204717 | APPARATUS AND METHOD FOR REMOVING CO2 FROM A PRODUCTION PLANT DISCHARGE - A method and apparatus for removing water vapor from the flue gas stream of an industrial process, including flue gas from a power station. The apparatus including a moisture transfer device, a cooling device, and an optional enthalpy exchange device. The method including running high volumes the flue gas through the moisture transfer device, the cooling device, and the enthalpy exchange device to remove substantially all of the water vapor from the flue gas stream. Also, a method and apparatus for capturing CO | 08-16-2012 |
| 20120204718 | APPARATUS AND METHOD FOR REMOVING WATER VAPOR FROM A PRODUCTION PLANT DISCHARGE - A method and apparatus for removing water vapor from the flue gas stream of an industrial process, including flue gas from a power station. The apparatus including a moisture transfer device, a cooling device, and an optional enthalpy exchange device. The method including running high volumes the flue gas through the moisture transfer device, the cooling device, and the enthalpy exchange device to remove substantially all of the water vapor from the flue gas stream. Also, a method and apparatus for capturing CO | 08-16-2012 |
| 20120227582 | DEVICE AND METHOD FOR ABSORBING WATER FROM GAS - The present invention relates to a device, a method and the use of the same for production or purifying of water. Present invention is based on the use of hygroscopic materials and heating thereof. | 09-13-2012 |
| 20120240765 | HUMIDITY SENSITIVE COMPOSITIONS - A humidity sensitive composition which consists: a) of 5 to 50% by weight of a water and/or water vapour absorbing agent; b) 10 to 60% of a water vapour absorbing and releasing agent selected from perlite or vermiculite; c) 5 to 50% of an absorbent for small molecules. Is used as the basis for controlling container rain, sequestering carbon dioxide, and removing ozone and hydrogen sulfide from the air. | 09-27-2012 |
| 20130036909 | BREATHING AND DESICCANT REGENERATING CYCLE FOR REDUCING CONDENSATION IN CONCENTRATOR PHOTOVOLTAIC MODULES - A concentrator photovoltaic apparatus for controlling internal condensation includes a light receiving module including one or more photovoltaic cells in a waterproof enclosure, at least one primary lens sealed to the waterproof enclosure for concentrating sunlight, a waterproof breather membrane regulating the pressure of the air located inside the enclosure, and a regenerative desiccant in a thermally decoupled dryer tube or thermally coupled to an internal surface of the enclosure. Smaller breather membrane vents and/or positive time delays between the temperature of the desiccant and the temperature of the enclosure may prolong an adsorption phase of the desiccant, which may substantially contribute to efficiency, reliability, and autonomous control of condensation. | 02-14-2013 |
| 20130074693 | WATER-SAVING LIQUID-GAS CONDITIONING SYSTEM - A method for treating a process gas with a liquid comprises contacting a process gas with a hygroscopic working fluid in order to remove a constituent from the process gas. A system for treating a process gas with a liquid comprises a hygroscopic working fluid comprising a component adapted to absorb or react with a constituent of a process gas, and a liquid-gas contactor for contacting the working fluid and the process gas, wherein the constituent is removed from the process gas within the liquid-gas contactor. | 03-28-2013 |
| 20130152787 | METHOD OF ADSORPTIVE GAS SEPARATION USING THERMALLY CONDUCTIVE CONTACTOR STRUCTURE - A method of temperature swing adsorption allows separation of a first fluid component from a fluid mixture comprising at least the first fluid component in an adsorptive separation system having a parallel passage adsorbent contactor with parallel flow passages having cell walls which include an adsorbent material and axial thermally conductive filaments in direct contact with the adsorbent material. The method provides for transferring heat from the heat of adsorption in a countercurrent direction along at least a portion of the filaments during adsorption and transferring heat in either axial direction along the filaments to provide at least a portion of the heat of desorption during a desorption step. A carbon dioxide TSA separation process to separate carbon dioxide from flue gas also includes steps transferring heat from adsorption or for desorption along axial thermally conductive filaments. | 06-20-2013 |
| 20130160644 | SYSTEM AND METHOD FOR IMPROVING THE PERFORMANCE OF DESICCANT DEHUMIDIFICATION EQUIPMENT FOR LOW-HUMIDITY APPLICATIONS - A method and apparatus for energy-efficient desiccant dehumidification of air or other gases to low humidity levels is disclosed. The method and apparatus includes a desiccant rotor (wheel) having more than one dehumidification zone or sector. Separate dehumidification sectors may be used to dehumidify separate air or gas streams, or they may be used to dehumidify a single air or gas stream by passing it through more than one sector. All or a portion of the discharge air or gas from a dehumidification sector is used for all or a portion of reactivation inlet air or gas prior to heating. The desiccant wheel may include more than one reactivation sector, with separate air or gas sources for each sector. The desiccant wheel may include a purge sector between the reactivation and dehumidification sectors to improve the thermal efficiency of the dehumidification process. | 06-27-2013 |
| 20130174733 | DUAL PURPOSE DESSICANT AND RECOVERY WHEEL - A thermal energy recovery and humidity control system includes a rotating member including a desiccant material located to rotate across a supply air stream and a return airstream. A variable-speed drive element is operably connected to the rotating member to change a rotational speed of the rotating member to allow for switching between thermal energy recovery operation and humidity control operation of the system. A method of climate control includes rotating a desiccant member across both a supply air stream and a return airstream of a climate control system. The desiccant member is rotated at a first rotational speed to transfer thermal energy from the supply air stream to the return air stream. The desiccant member is rotated at a second rotational speed different than the first rotational speed to reduce humidity of the supply air stream. | 07-11-2013 |
| 20130269521 | METHOD FOR REDUCING EVAPORATED FUEL EMISSION, CANISTER AND ADSORBENT THEREFOR - [Object(s)] To provide an adsorbent which achieves a low-emission performance while maintaining the adsorption performance for adsorbing an evaporated fuel component, a canister comprising the adsorbent, and a method for reducing evaporated fuel emission. | 10-17-2013 |
| 20130269522 | Heat Pump Enabled Desiccant Dehumidification System - A humidity control system including a heat pump with desiccant coated passive heat transfer devices on both sides of the heat pump and an air circulation system for alternately directing a process air stream to be humidity controlled and a separate regenerative air stream past each side. As desiccant on one side becomes laden with moisture, the air streams are redirected to the opposite sides of the heat pump so the regenerative stream can remove moisture from the first side. Simultaneously, the air stream to be humidity controlled uses the previously regenerated desiccant on the second side. | 10-17-2013 |
| 20140026749 | METHOD OF DRYING A WET CARBON DIOXIDE RICH GAS STREAM - A method of drying a wet carbon dioxide rich gas stream is disclosed. The method includes:
| 01-30-2014 |
| 20140318369 | DEHUMIDIFICATION APPARATUS, AND AIR CONDITIONING APPARATUS AND AIR CONDITIONING SYSTEM HAVING THE SAME - Disclosed are a dehumidification apparatus, and an air conditioning apparatus and system having the same. The dehumidification apparatus includes: a desiccant rotor having a desiccant for adsorbing moisture; and a regeneration unit disposed at one side of the desiccant rotor, for desorbing the moisture adsorbed to the desiccant. The regeneration unit includes at least one of a hollow hot water line containing hot water exchanging heat with the air flowing toward the desiccant rotor. The dehumidification apparatus efficiently reproduces the desiccant for dehumidification and air conditioning. | 10-30-2014 |
| 20140338530 | METHOD FOR MANUFACTURING A COMPOSITE SORBER FOR THE REMOVAL OF H2O CONSISTING OF HYGROSCOPIC INORGANIC SALTS DISSOLVED IN A POLYMERIC MATRIX - The present invention relates to a method for manufacturing H | 11-20-2014 |
| 20150336047 | METHOD AND APPARATUS FOR REMOVING WATER FROM COMPRESSED AIR - A method and apparatus for removing water from compressed air is disclosed. The method includes the steps of passing a stream of compressed air through a pressure swing adsorption (PSA) dryer. The dryer includes at least one vessel containing a desiccant material bound into pieces, for example tubes, using a polymer binder. The PSA dryer also has a control system for controlling the flow of the compressed air and switching between drying and purging modes. In particular the vessel and desiccant material contained therein are sized to produce a dew point suppression of less than 50° C. | 11-26-2015 |
