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Class 261/29 - Liquid circuit


Subclass of Class 261 - Gas and liquid contact apparatus
Definition: Including a circuit between the liquid outlet and inlet.
No. of patents: 168
Last issue date: 03/29/2011


1          
NumberTitleIssue Date
7913984Method and system for generating microbubble-contained liquid and microbubble generator to be assembled in the system
A microbubble generator (20) includes an outer cylinder (201), bulkhead (202) and an inner cylinder (203) extending in the downstream direction from the bulkhead (202). A plurality of liquid passage holes (202a) is fo...
03/29/2011
7758025Apparatus for air treatment and surface treatment installation having the same
An apparatus for air treatment includes at least one reservoir which can be filled with a liquid, an air-conveying device and a device which ensures that for the treatment of the air to be treated the air comes into contact with at least a part of the liquid. A circ...
07/20/2010
7571899Gas-liquid dissolving apparatus
A gas-liquid dissolving apparatus includes an intake unit that takes in to-be-treated water from an oxygen-deficient water area, an oxygen-containing gas supply unit, a bottomed gas-liquid dissolving chamber that has at least one hole formed in a lower portion and a...
08/11/2009
7527247Apparatus and method for exposing air to an aromatic substance
An apparatus for exposing air to an aromatic substance (26) at a uniform level of aroma for a certain period of time without using gas, fire, or applied electric heat source. The invention has an aromatic solution tank (31) on which sits a lid (30
05/05/2009
7422684Method and apparatus for sanitizing water dispensed from a water dispenser having a reservoir
A method and apparatus of sanitizing drinking water to be dispensed from a water dispenser having a reservoir includes the steps of providing the ozone gas generator that generates an ozone gas stream, transmitting the ozone gas stream from the generator to the wate...
09/09/2008
7378014Method and apparatus for sanitizing water dispensed from a water dispenser having a reservoir
A method and apparatus of sanitizing drinking water to be dispensed from a water dispenser having a reservoir includes the steps of providing the ozone gas generator that generates an ozone gas stream, transmitting the ozone gas stream from the generator to the wate...
05/27/2008
7377492Hydraulic liquid pumping system
A system for concentrating gas, using the concentrated gas to pump liquid, and recycling the gas and liquid is disclosed. The system comprises a body of liquid, a down pipe in fluid communication with the body of liquid, a gas injection apparatus for introducing gas...
05/27/2008
7364141Fluid cooler with evaporative heat exchanger
A cooling tower and/or a fan drive system are provided which enhance cooling performance, are able to reduce lateral temperature gradients at least to some degree, provide for easy removable of debris and/or provide for easy fan adjustment. ...
04/29/2008
7341022Waterfall aquarium
A waterfall aquarium including an enclosed transparent water tank having an interior and exterior. A water exit conduit communicates the interior of the water tank with the exterior thereof. The water exit conduit includes a hollow tubular body having an exit end an...
03/11/2008
7338980Method and apparatus for mixing a high-viscosity material into a gas
A piston pump has a piston and cylinder. A gas is supplied into the cylinder during and/or after a suction stroke of the piston pump, and a high-viscosity material is supplied into the cylinder after the suction stroke. A discharge stroke of the piston pump is effec...
03/04/2008
7331569Liquid aeration system and method
A system for aerating liquid within a liquid retention structure including a liquid delivery tube in fluid communication with a gas exchange chamber and a pump. The gas exchange chamber includes an air inlet and a gas outlet. The pump is configured to pump liquid wi...
02/19/2008
7310962Evaporative coolers
An evaporative cooler has a housing mounted within the roof space of a pitched roof with the housing inlet, which mounts evaporative cooling pads, lying at or adjacent to the plane of the roof. This construction avoids the unsightly protrusion normally associated wi...
12/25/2007
7303156Generation and usage of microbubbles as a blood oxygenator
A micro-nozzle for generating micro-bubbles. The micro-nozzle includes a liquid inlet forming a liquid path, a gas inlet, and a constricting wall positioned in the liquid path and shaped to abruptly constrict said liquid path to a width of less than approximately 20...
12/04/2007
7296785Water curtain apparatus and method
An evaporative cooler comprises a housing having an upper surface and at least one vertical wall defining a chamber. The upper surface can include at least one opening in communication with the chamber. The evaporative cooler can also comprise at least one drain sli...
11/20/2007
7294278Method for oxygenating wastewater
A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo...
11/13/2007
7284963Zero maintenance pump
A zero maintenance pump includes a motor having a motor housing and a motor drive shaft rotatably mounted in the motor housing. A shaft extension is coupled to the motor drive shaft distal from the motor housing. A coupling element has a body with a first end and a ...
10/23/2007
7278630Apparatus and method for producing small gas bubbles in liquids
An apparatus for creating microbubbles of gas in a liquid. A vertical pipe member is adapted to receive a liquid-gas mixture having gas bubbles of larger diameter therein. A series of horizontally-extending apertures are provided to permit the pipe member to expel s...
10/09/2007
7275735Fan drive for fluid cooler with evaporative heat exchanger
A cooling tower and/or a fan drive system are provided which enhance cooling performance, are able to reduce lateral temperature gradients at least to some degree, provide for easy removal of debris and/or provide for easy fan adjustment. ...
10/02/2007
7267325Aeration method of pool water and apparatus thereof
An aeration method of a water pool and an apparatus thereof are disclosed, suitable for use in an aquatic pool or an aerobic processing pool. The aeration method requires placing at least one biofilter device in the water pool. An aeration apparatus comprises a pump...
09/11/2007
7264229Evaporative cooler
An evaporative cooler apparatus is disclosed. The evaporative cooler apparatus comprises a bottom and a top, where the bottom and the top are identically dimensioned, and where the top and the bottom are interchangeable. The evaporative cooler apparatus further comp...
09/04/2007
7264044Heat exchange structure
A heat exchange structure includes at least three wave-shaped non-woven cloth layers. Each wave-shaped non-woven cloth layer has a plurality of crest tops and trough bottoms. Adjacent wave-shaped non-woven cloth layers are interconnected at intersections of crest to...
09/04/2007
7261279Device for stirring and aerating a liquid in a treatment vessel
A device for stirring and aerating a liquid in a treatment vessel may include a funnel disposed in the upper portion of the vessel to form a passage with the vessel. A duct is connected to the funnel and extends toward the bottom of the vessel and includes an openin...
08/28/2007
7243909Collector sump cooling tower
The present invention relates to a cooling apparatus and method wherein a supply sump and turbine are below grade. Water cooled from an above grade cooling tower fan and fill flows into the supply sump and is pumped through below grade pipes into a facility. Heat re...
07/17/2007
7238105Dewpoint cooler designed as a frame or part thereof
A dewpoint cooler comprises: a first air circuit and a second air circuit coupled thereto via a heat-conducting wall, through which two circuits can flow two media, wherein the second medium contains a gas, heat-conducting wall break-up means for breaking up at leas...
07/03/2007
7234690Humidifier with safety reservoir
A humidifier (10) is disclosed having a top portion (11), a middle portion (12) and a bottom portion (13). The middle portion is essentially a water tank which provides water to be used in humidification. The bottom portion has a floor (
06/26/2007
7232116Fluid cooler with evaporative heat exchanger and intermediate distribution
A cooling tower and/or a fan drive system are provided which enhance cooling performance, are able to reduce lateral temperature gradients at least to some degree, provide for easy removable of debris and/or provide for easy fan adjustment. ...
06/19/2007
7210671Fan-assisted wet cooling tower and method of reducing liquid loss
The invention provides an improved natural draft cooling tower (10) having improved cooling capability and reduced liquid losses of evaporation and blow-out. To this end, the distribution of hot liquid to the packing assembly within the tower is increased aro...
05/01/2007
7178357Portable air conditioning apparatus
A portable cooling or heating system suitable for use on a vehicle such as a car, plane or boat, that does not have its own air conditioning system. The system is intended to be combined with a portable cooler chest and includes an electric fan unit that can be powe...
02/20/2007
7179375Diffuser/emulsifier for aquaculture applications
A method of treatment of water in an aquatic environment. Water is first pumped from a reservoir to a first mixing station. An inert gas is introduced into the pumped water at the first mixing station to provide inert gas saturated water, which inert gas saturated w...
02/20/2007
7172727Apparatus for blood oxygenation
An apparatus and method for blood oxygenation are provided. The apparatus includes a chamber having a first inlet to receive a fluid, e.g., physiologic saline; a second inlet to receive a gas, e.g., oxygen, from a gas supply; and an outlet coupled to a capillary ass...
02/06/2007
7163632System and method for oxygenation for wastewater treatment
A fluid treatment system and method for dissolving a gas into a fluid and subsequently allowing microbial or chemical reactions with the fluid mixture to decontaminate the fluid. The system comprises a pressurized gas transfer reactor, a depressurization device, a m...
01/16/2007
7159854Apparatus and method for producing small gas bubbles in liquids
An apparatus for creating microbubbles of gas in a liquid, and for using such created microbubbles to purify said liquid of undesirable materials therein. A vertical pipe member is adapted to receive a liquid-gas mixture having gas bubbles of relatively large diamet...
01/09/2007
7144549Biocide impregnation of coatings for ESP components
An electric submersible pump has one or more components coated with a biocide-incorporated coating for the purpose of controlling the activity of bacteria. The portions exposed to well fluid are coated for inhibiting bacteria from growing. Both centrifugal and progr...
12/05/2006
7137620Diffuser and an aeration apparatus equipped with such a diffuser
A diffuser (10) having a body (12) with a blind bore (18) having a closed impaction end (22). Fluids are diffused radially from the body (12) through slots (26). The diffuser (10) is characterized by a central slot (
11/21/2006
7131639Water distribution system for an evaporative cooler
An evaporative cooler, including one or more media modules, distributes water from a source of water to each module through a constant flow valve. A distribution unit at each media module includes a spray bar for spraying water through a plurality of uniformly space...
11/07/2006
7121534Method and apparatus for gasifying a liquid
A method and apparatus for gasifying a liquid wherein a liquid feedstock (2) to be gasified is passed down a surface (8) in the presence of a gas and into standing liquid (6), the surface having at least one change in gradient (8a,
10/17/2006
7121536Wave generator with oxygen injection for treatment of a body of fluid
One embodiment of an aerator is disclosed that has a hollow intake housing with a horizontally disposed lip on a lower portion thereof. This intake housing converges a flow of bubbles into a draft tube. These bubbles are injected into a fluid in which the aerator is...
10/17/2006
7115155Air filtration apparatus and aromatizer
An air filtration and aromatizer apparatus which includes a housing, a motor in the housing with a fan for drawing air through an inlet toward an outlet through a pollution-collecting chamber, and an elongated hollow tubular perforated member having an upper end con...
10/03/2006
7100906Evaporative cooler water distribution system
A water distribution system for wetting an evaporative media pad includes a nozzle spraying a stream of water onto a water distributor that diverts the stream into at least two different portions. A plurality of fingers extend in at least two different directions to...
09/05/2006
7097160Apparatus for treating a liquid with a gas
The present invention includes an improved apparatus (10) for treating a liquid with a gas having a generally cylindrical outer housing (24) and a coaxial inner housing (40) defining both an outer and an inner chamber (26, 46) and a plura...
08/29/2006
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