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| Number | Title | Issue Date |
| 7328886 | Air-to-air atmospheric heat exchanger for condensing cooling tower effluent A sheet for use in a heat exchange apparatus. The sheet includes a first vertical rib that extends in a first direction generally parallel to the vertical axis of the heat exchange apparatus, wherein said first vertical rib protrudes in a second direction out of the... | 02/12/2008 |
| 7155318 | Air conditioning unit control to reduce moisture varying operations In a method of operating an air conditioning unit to reduce moisture varying operations, psychrometric chart data is accessed. In addition, a constraint is set on the relationship between the temperature of air supplied by the air conditioning unit and the relative ... | 12/26/2006 |
| 7128310 | Air-to-air atmospheric heat exchanger for condensing cooling tower effluent A cooling tower having a heat exchanger. The heat exchanger includes at least one heat exchanger pack having a generally diamond shape. The heat exchanger pack includes a first set of passageways for receiving a stream of warm, water laden air and a second set of pa... | 10/31/2006 |
| 6942200 | Fan cylinder for cooling tower Disclosed herein is a fan cylinder for a cooling tower, which is configured to prevent the air discharged from the cooling tower from flowing back thereinto. The fan cylinder is fixed to the upper side of the cooling tower, and is configured to mount a cooling fan t... | 09/13/2005 |
| 6880622 | Air guide device for cooling tower An air guide for a cooling tower that prevents the air discharged from the cooling tower from flowing back into the cooling tower, and facilitates smooth circulation of outside air inside the cooling tower. The air guide is coupled to a side surface of the cooling t... | 04/19/2005 |
| 6852147 | Apparatus and method for reduction of gases emitted from a cooling tower A gas reduction apparatus 12 is provided for reducing the amount of gas 15 emitted from a cooling tower 10 into the atmosphere. The apparatus 12 in accordance with the principles of this invention includes a first air conduit 13 wh... | 02/08/2005 |
| 6766655 | Evaporative condenser without cooling fins An evaporative type medium condenser without the using of conventional cooling fins comprises: characteristically a plurality of streamline cross sectional bare metal tubes disposed in parallel for medium coils to instead the conventional round sectional tubes there... | 07/27/2004 |
| 6663087 | Air-to-air atmospheric exchanger for condensing cooling tower effluent Heat exchanger packs having a first set of passageways for receiving a stream of ambient air and a second set of passageways for receiving a stream of warm water laden air is disclosed. The first set of passageways and second set of passageways being sepa... | 12/16/2003 |
| 6663694 | Air-to-air atmospheric exchanger for condensing cooling tower effluent Heat exchanger packs having a first set of passageways for receiving a stream of ambient air and a second set of passageways for receiving a stream of warm water laden air is disclosed. The first set of passageways and second set of passageways being sepa... | 12/16/2003 |
| 6564864 | Method of operating low profile heat exchange method with reduced water consumption A method of exchanging heat is disclosed. Process fluid is passed through a dry indirect contact heat exchange section while a main air stream is also passed through that section. The process fluid is passed through a second indirect contact heat exchange... | 05/20/2003 |
| 6499728 | Cooling tower A cooling tower is provided including a cooling chamber with a bottom-to-top cooling air flow and a water injection system having spray nozzles horizontally distributed within the cooling chamber. A first air intake and a second air intake lead into the c... | 12/31/2002 |
| 6467539 | Universal equipment for the cooling fluid regeneration in heat exchange circuits Cooling equipment, which may be connected to the water discharge from a working or operating machine with a water (20/20') cooling circuit (2) to make the water re-circulate once cooled (24), characterized in that the cooling equipment comprises: at least... | 10/22/2002 |
| 6446941 | Cooling tower and method for optimizing use of water and electricity A forced air cooling tower includes an upright casing, and elevated water distribution system disposed in an upper portion of the casing and one or more fans for drawing air through the tower. The tower also includes a catch basin for collecting the coole... | 09/10/2002 |
| 6394174 | System for reclaiming process water The present invention generally relates to a system and a method for reclaiming process water in a manufacturing plant and more particularly, relates to a system and a method for reclaiming process water from a cooling tower exhaust gas which contains at ... | 05/28/2002 |
| 6357481 | Flow control valve for cooling tower A lightweight flow control valve for use in cooling towers is provided. The valve includes a lightweight, thin-walled valve body having a flow bore, an inlet port, and an outlet port. The outlet port is disposed in a substantially perpendicular relationsh... | 03/19/2002 |
| 6247682 | Plume abated cooling tower The plume abated cooling tower having a heat exchanger in which an aqueous fluid is cooled by an air flow. The heat exchanger has first channels in which air and fluid counterflow, second channels in which air flows, and a means for avoiding the passage o... | 06/19/2001 |
| 6213200 | Low profile heat exchange system and method with reduced water consumption A system and method of exchanging heat are disclosed. Three heat exchange sections are used: a dry indirect contact heat exchange section, a second indirect contact heat exchange section that is operable in either a wet or dry mode, and a direct contact h... | 04/10/2001 |
| 6142219 | Closed circuit heat exchange system and method with reduced water consumption A system and methods of extracting heat are disclosed. The system may be arranged as a fluid cooler or as a fluid condenser. Three heat exchange sections are provided: a dry indirect contact heat exchange section; a second indirect contact heat exchange s... | 11/07/2000 |
| 6138746 | Cooling coil for a thermal storage tower A cooling coil arrangement for a cylindrical tower provides coverage of a larger area of the cylindrical footprint of a cooling tower to enable more economical usage of the vertical tower storage capacity for ice thermal storage, which coil arrangement ha... | 10/31/2000 |
| 6070655 | Heat exchanger A heat exchanger, for use in particular in connection with the process outlets at paper, pulp and board mills, including substantially parallel tubes or equivalent arranged in a duct. An air flow that delivers heat passes through the tubes and an air flow... | 06/06/2000 |
| 5970724 | Cooling water tower A cooling water tower has a water container, a fan motor, a controller, an air outlet, a first sensor, a second sensor, a pump, and an air conditioning device. The air conditioning device has an air cooling condenser, a freezing agent control device, a co... | 10/26/1999 |
| 5961784 | Method for reducing the consumption of fresh water in a paper mill by means of a cooling tower A method for reducing the consumption of fresh water and energy in a paper mill in which fresh water is passed into the paper mill for various needs, and a cooling tower is utilized for cooling water heated in the papermaking process. All fresh waters or ... | 10/05/1999 |
| 5958308 | Cooling tower Hot water is sprayed to fillers arranged immediately under a hot water vessel through spray ports opened on a lower surface of the hot water vessel. The hot water flowing down along the fillers is cooled through direct contact with ambient air. The coolin... | 09/28/1999 |
| 5944094 | Dry-air-surface heat exchanger A dry-air-surface heat exchanger is provided for use in a liquid cooling tower, and includes a plurality of preformed, shape-retaining heat transfer members of relatively thin synthetic resin sheet material. Each member presents a pair of upright, side-by... | 08/31/1999 |
| 5816318 | Combination direct and indirect closed circuit evaporative heat exchanger A heat exchange apparatus is provided with an indirect evaporative heat exchange section and a direct evaporative heat exchange section. A uniform temperature evaporative liquid is downwardly sprayed into the indirect section to indirectly exchange sensib... | 10/06/1998 |
| 5787970 | Air-cooled vacuum steam condenser with mixed flow bundle There is disclosed a new and improved multi-row steam condensing bundle for use in air-cooled vacuum steam condensers employed in power plant applications and the like. Specific freeze protection design is directed to the first row of tubes in the bundle ... | 08/04/1998 |
| 5775409 | Cooling tower The present invention relates to a cross flow type cooling tower with which it is possible to prevent emission of white vapor in cold weather. In order to accomplish the above object, the cooling tower of the present invention is constructed of heat excha... | 07/07/1998 |
| 5724828 | Combination direct and indirect closed circuit evaporative heat exchanger with blow-through fan A heat exchange apparatus which can be used as an evaporative condenser, fluid cooler or wet-air cooler, is provided with a direct evaporative heat exchange section overlying an indirect evaporative heat exchange section. An air entry zone common to both ... | 03/10/1998 |
| 5695005 | Fluid dynamic crossflow cooling tower A fluid dynamic crossflow cooling tower has a tower body. In the upper portion of the tower body, there is a horizontally disposed injection tubular element which has a plural number of spaced nozzles disposed on the lateral side. Heated fluid is pumped i... | 12/09/1997 |
| 5481880 | Process and assembly for the compression of a gas Cooling water for compression apparatus (1) is cooled by an air-refrigerated apparatus (18). Makeup water which is cooler than the water treated by this apparatus passes first through a heat exchanger (8) mounted on the delivery conduit of the compression... | 01/09/1996 |
| 5449036 | Method and apparatus for reducing water vapor in exhaust gas from evaporative heat exchange systems A method for reducing the amount of water vapor in gas exhausted from closed loop evaporative heat exchange systems wherein the low energy air which has been warmed and moistened within the heat exchange system is mixed with cooler air to condense moistur... | 09/12/1995 |
| 5435382 | Combination direct and indirect closed circuit evaporative heat exchanger A heat exchange apparatus is provided with an indirect evaporative heat exchange section and a direct evaporative heat exchange section. A uniform temperature evaporative liquid is downwardly sprayed into the indirect section to indirectly exchange sensib... | 07/25/1995 |
| 5306139 | Suction adhesion-type holder A suction adhesion-type holder used, for example, in a bonding machine including an air cooling device provided between a bonding stage and a vacuum pump that creates a vacuum suction in the bonding stage through the cooling device. Air suction holes form... | 04/26/1994 |
| 5301652 | Condensing apparatus for steam cooking device A condensing apparatus for a steam cooking device comprising a heat exchanger for collecting steam from the cooking chamber of a steam cooking device and means for condensing the steam in the heat exchanger.... | 04/12/1994 |
| 5301746 | Natural draft cooling tower A natural draft cooling tower for condensing turbine steam of a power plant is comprised of identical sectors assembled to form the cooling tower. A central steam inlet line terminates in radial distributing lines. Each sector has one of the radial distri... | 04/12/1994 |
| 5139083 | Air cooled vacuum steam condenser with flow-equalized mini-bundles There is disclosed a new and improved single-row, two-pass steam condensing bundle used for condensing steam in air-cooled vacuum steam condensers in power plant applications and the like. The new bundle is divided into a plurality of identically built mi... | 08/18/1992 |
| 5129456 | Dry-operated chimney cooling tower A dry-operated chimney cooling tower suitable for cooling warm water from a power station and operating with a natural draft, is provided with downstream jalousies to assist in frost protection and energy conservation. These jalousies can be capable of fo... | 07/14/1992 |
| 5113933 | Air-cooled vacuum steam condenser bundle isolation For multi-cell, mechanical draft, vacuum steam condensers, a design of a noncondensible gas removal system that isolates bundles and fan cells from external/internal influences and gas/vapor interchange and allows bundles to operate in a reverse air-flow ... | 05/19/1992 |
| 5078205 | Cooling system for condensing the exhaust steam of steam turbine plants, particularly of power plants A cooling system for condensing the exhaust steam of steam turbine plants, particularly of power plants, comprises a mixing condenser connected to the outflow of the steam turbine, a dry cooling tower connected to the cooling water circuit of the mixing c... | 01/07/1992 |
| 5056593 | Dehumidifying heat exchanger apparatus Dehumidifying heat exchanger apparatuses are disclosed in several variations which may economically condense and separate a potable water product from a humid air stream. Water product extraction yields may be substantially enhanced by new uses of electro... | 10/15/1991 |
