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Gas and liquid contact apparatus May archived by USPTO category 05/09

20090134532 - Aerating device for aquarium: A water aerating device for an aquarium includes a carrier, a pumping device attached to the carrier and having a motorized impeller for pumping a water, a siphon tube coupled to the pumping device and having a tube member engaged into the aquarium for allowing the water to be drawn... Agent: Charles E. Baxley, Esquire

20090134533 - Contact tray for a mass transfer column: The valve cover has a pair of tabs at the ends that are inserted into end sections of an orifice in the tray deck. The tabs of the valve cover abut against the underside of the tray deck while a pair of sloped portions of the valve cover rest on... Agent: Francis C. Hand, Esq. C/o Carella, Byme, Bain, Gilfillan, Cecchi,

20090127724 - Water aerating and controlling assembly for aquarium: A water aerating and controlling assembly for an aquarium includes an aerating device for attaching to a container of the aquarium, a gaseous reservoir coupled to the aerating device for supplying a gaseous material to the aerating device, and a controlling device for controlling the gaseous material to be selectively... Agent: Charles E. Baxley, Esquire

20090121364 - Water carbonation apparatus: There is described a water carbonation apparatus in which two carbonation units (10, 11) are linked to a volumetric control unit (9) which stores a volume of carbonated water ready for use. When carbonated water is to be discharged, the stored carbonated water from the volumetric control unit (9) is... Agent: Ratnerprestia

20090121365 - Eddy chamber: The invention relates to an eddy chamber for generating turbulence in a medium flowing through the chamber, comprising an inlet opening, an outlet opening and at least two constrictions in the cross-section thereof. In the region of the constrictions, the inner profile of the eddy chamber has the form of... Agent: Friedrich Kueffner

20090121366 - Humidifier: A humidifier (1), including at least one housing (2), in which multiple fibres (3) constructed as water-permeable hollow fibre membranes are arranged, wherein a first air stream (4) is passed inside the fibres (3) and a second air stream (5) is passed outside the fibres (3), and wherein the housing... Agent: Davidson, Davidson & Kappel, LLC

20090121367 - Heat exchanger for removal of condensate from a steam dispersion system: A steam dispersion apparatus includes a steam chamber communicating in an open-loop arrangement with a first steam source for supplying steam to the steam chamber. The steam chamber includes a steam dispersion location at which steam exits therefrom at generally atmospheric pressure. A heat exchanger communicates in a closed-loop arrangement... Agent: Merchant & Gould PC

20090115076 - Vortex apparatus with descending flow of phases: The inventive vortex apparatus for carrying out physical-chemical processes is used for. absorption, desorption, dust and gas removal, drying, mixing and gas cooling. Said apparatus comprises a body, lid, bottom, phase delivery and discharging pipes, a vortex contact device having an upper base, tangential plates, a tray, a separator and... Agent: David S. Bradin Womble Carlyle Sandridge & Rice

20090115077 - Packing elements for mass transfer applications: The invention provides novel ceramic mass transfer packing elements with physical characteristics that maximize efficiency of mass transfer and minimize pressure drop when randomly dumped in a chemical reactor. In some embodiments, the elements may have: a ratio of surface area of the interaction zone to surface area of the... Agent: Saint-gobain Norpro

20090115078 - Hollow fiber system: Disclosed is a hollow fiber system for a humidifier, including hollow fibers that are permeable to steam. A first air flow can be conducted within the hollow fibers while a second air flow can be conducted outside the hollow fibers. The hollow fibers are located at least in part at... Agent: Davidson, Davidson & Kappel, LLC

20090115079 - Valve configuration that increases the capacity and improves the performance of cross-flow trays used in fractionation units of chemical, petrochemical and oil refining process plants: A mass or heat transfer device is provided in the form of a tray with at least one movable or fixed valve covering an opening to prevent liquid flowing in the design flow direction to pass through the opening.... Agent: Carlos Jose Trompiz

20090115080 - Convector for cooling of a fluid circulating in a pipe: The convector comprises at least one finned tube bundle (7) in the tubes of which said fluid to be cooled is made to circulate and at least one fan (11) producing an air flow that strikes the outside of said finned tubes. The convector comprises an adiabatic chamber (13) through... Agent: Mcglew & Tuttle, PC