| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 165095000 | WITH CLEANING MEANS FOR HEAT EXCHANGER | 33 |
| 20100071877 | REDUCING ACCUMULATION OF DUST PARTICLES ON A HEAT DISSIPATING ARRANGEMENT - A method and apparatus to reduce dust particles accumulated on one or more surfaces provisioned proximate to the pulsating fan. The surfaces may include a heat exchanger provisioned proximate to the pulsating fan and the blades of the pulsating fan or any other such surface. The pulsating fan may be rotated in a first direction for a first time duration and in a second direction for a second time duration. The dust particles that are accumulated on the one or more surfaces provisioned proximate to the pulsating fan is reduced while the pulsating fan is rotated in the second direction. The second direction of rotation is reverse to the first direction of rotation. The pulsating fan may comprise an axial fan or a centrifugal fan. | 03-25-2010 |
| 20120175078 | HEAT EXCHANGER TUBE CLEANING APPARATUS AND METHOD OF REMOVING A BLOCKAGE FROM A TUBE - A cleaning apparatus for removing a blockage from a heat exchanger tube of a steam generator, or the like, having a plurality of tubes extending between a pair of tube sheets. Anchor plate fasteners, which are expandable inside tubes adjacent to the blocked tube, are used to mount an anchor plate to one of the tube sheets. The anchor plate has an opening for aligning in registry with the condenser tube having the blockage and provides a solid platform for mounting either a mechanical device or a fluid pressure device for providing a force against the blockage for removal of the blockage. The cleaning apparatus enables a force to be applied which is significantly greater than that which can be applied with known hand-held devices for removing blockages. | 07-12-2012 |
| 20090095445 | SELF-CLEANING HEAT EXCHANGER USING SYSTEM FOR SUPPLYING SOLID PARTICLE AND WATER - A self-cleaning, shell and tube type heat exchanger using a solid particle-water supply system. The heat exchanger includes solid particle supplying means for storing and supplying solid particles to be used in cleaning the heat exchanger tubes, and water supply means for fluidizing the solid particles stored in the solid particle supplying means so as to supply the solid particles into a mixed fluid discharging means, or for directly supplying water to the mixed fluid discharging means. The mixed fluid discharging means sucks the supplied solid particles and water, and sprays the supplied solid particles and water as a mixed fluid from above the vertical heat transfer tube arrangement such that inside surface of the heat transfer tubes can be cleaned. Separating means separates the mixed fluid used in cleaning the heat transfer tubes into solid particles and water, using a gravitational separation method. | 04-16-2009 |
| 20100065250 | METHOD AND DEVICE FOR TRANSMITTING HEAT BETWEEN WASTE WATER LOCATED IN A TANK AND A FLUID - A method for transferring heat includes flowing a wastewater through a tank and flowing a fluid through a heat exchanger having an outer surface. The method further includes aerating the wastewater to produce a convective flow, contacting the outer surface of the heat exchanger with the convective flow to exchange heat, and cleaning the outer surface of the heat exchanger with the convective flow. A system for transferring heat includes a tank, a heat exchanger with an outer surface disposed in the tank, and a fluid flowing through the heat exchanger. Wastewater located in the tank flows over the outer surface of the heat exchanger, and a diffusion pipe disposed in the tank provides air into the tank to produce a convective flow in the wastewater. | 03-18-2010 |
| 20130118709 | Method for cleaning and reconditioning FCR APG-68 tactical radar units - A method for improving the manufacture and reliability of new, remanufactured, repaired or reconditioned Fire Control Radar APG-68 tactical radar systems (FCR) utilized in military aircraft and providing such units with extended useful life expectancies equivalent to or better than new of the FCR APG-68 unit high frequency, high voltage dual mode radar transmitters that are deployed in over 1000 state-of-the-art military aircraft such as the F-15, F-16 and F-18 fighter aircraft, and B-1 bombers. The novel method extends the mean lifetime of previously repaired and repairable FCR APG-68 tactical radar units and radar units and ageing transmitters from about 100 to a few hundred hours to about five hundred or more hours by the process of removing embedded moisture and absorbed moisture from the heterogeneous electronic components and preferably also removing contaminants from the heat transfer surfaces of the cold plates and heat exchangers in the FCR APG-68 tactical radar unit. | 05-16-2013 |
| 20100116463 | SELF-CLEANING DEVICE OF FILTERING NET AND AIR CONDITIONER HAVING IT - A self-cleaning device of a filtering net is disposed in a wall-hanging type air conditioner and includes a filtering net with an upper filtering net and a front filtering net, which is disposed outside a heat exchanger and is used for absorbing dust in the air passing through the heat exchanger. A dust sweeping assembly with a detachable brush is disposed outside the filtering net, and is used for sweeping the dust adhered on the filtering net. A drive device with a drive motor and a transmission mechanism is used for driving the dust sweeping assembly to slide on the filtering net to sweep off the dust. A dust box is used for collecting the dust and is detachably disposed in the air conditioner to clear up the dust in the box. A dust exchanging device is disposed on the left or right side of the filtering net, and is used for transferring the dust swept out by the sweeping assembly into the dust box. The self-cleaning device of a filtering net of an air conditioner can clean up the dust on the filtering net in a short time with good clearance effects, and less noise. The structure of the device has high reliability and durability, and is simple. | 05-13-2010 |
| 20090294100 | Condenser Tubes Cleaning System - The present invention relates to a condenser tubes cleaning system for alleviating the common disadvantage of the prior arts includes a flow diverter, a first branch pipe, a second branch pipe, a three-way valve, a first one-way valve, a bypass pipe, a ball barrel, a liquid supply pipe, a cleaning ball supply pipe, a cleaning ball return pipe, a liquid return pipe, a second one-way valve, a normally open two-way valve, and a ball trap. Thus, the flow diverter is provided with the three-way valve, and the ball trap is provided with the normally open two-way valve, so that the flow diverter and the ball trap have a bypass function that the prior arts do not have, to maintain the constant flow rate in the main supply pipe and the main return pipe without increasing the electrical power load of the main circulating pump. | 12-03-2009 |
| 20100282439 | Modular heat exchange system - The invention relates to a modular heat exchange system ( | 11-11-2010 |
| 20080283220 | Machine having self-cleaning cooling system and method - A machine includes a heat exchanger for an engine having a heat exchanger core and a filtration system. The filtration system includes a flexible filter sheet coupled with at least one take-up roller and a filter cleaner adapted to clean the filter via compressed air. A method of operating a machine cooling system includes rotating a rotatable drive element coupled with a filter, and cleaning the filter by directing compressed air therethrough. | 11-20-2008 |
| 20080302511 | Heat Exchanger Vessel With Means For Recirculating Cleaning Particles - A heat exchanger vessel ( | 12-11-2008 |
| 20100139890 | RAPPER DEVICE - A method and a rapper device for cleaning a heat exchange surface in a pressure vessel. The rapper device comprises a striker rod which has one end contacting the heat exchange surface in the pressure vessel and one end projecting out of the pressure vessel via a passage opening. The rapper device also comprises an impacting device for impacting the projecting end of the striker rod. A section of the striker rod is slideably supported in a pressure chamber adjacent the passage opening. The pressure chamber is connected to a sealing gas supply maintaining the pressure in the pressure chamber at a higher level than the pressure in the pressure vessel. A bellows defines a pressure chamber around at least a section of the striker rod. | 06-10-2010 |
| 20080264607 | Water treatment - A method and device for removing scaling from the interior of a conduit used in a heat transfer device, the method comprising the steps of diverting a portion of the fluid from the conduit, passing the diverted portion through a filter, passing the filtered portion through a magnetic field, and reintroducing the fluid into the conduit. The method of the present invention can also be used with chillers to control bacterial growth therein. | 10-30-2008 |
| 20080257528 | Slot adapter for cleaning heat exchanger system and machine using same - A machine having a heat exchanger system includes a heat exchanger guard including first and second sidewalls. The first sidewall is adjacent a core of the heat exchanger system. A first slot adapter is positioned over an opening formed in the first sidewall. The first slot adapter is vertically oriented and includes a first slot opening for receiving a compressed air cleaning wand therethrough. A cover is fixedly attached to the first slot adapter and is movable between an open position and a closed position. | 10-23-2008 |
| 20100258275 | Heat Exchange System - The invention relates to a heat exchange system with a heat exchanger ( | 10-14-2010 |
| 20100236757 | CLEANING SYSTEM FOR A WATER-COOLED HEAT EXCHANGER - A cleaning system for a water-cooled heat exchanger has a collector, a driving device, a condenser, a ball trap and multiple cleaning balls. The collector has an opening, a filtering net, three inlet holes and two outlet holes. The driving device is connected to the collector and has an outlet tube, an inlet tube and a pump. The condenser is connected to the collector and has an inlet, an outlet, multiple copper pipes, an inlet pipe and an overflow pipe. The ball trap is connected to the condenser and the collector and has an inlet end, an outlet end, an internal surface, multiple turbulent blades, an entering pipe and a discharge pipe. The cleaning balls are movably mounted in the collector, the condenser and the ball trap with the cooling water and each cleaning ball has multiple cleaning protrusions and an eccentric rib. | 09-23-2010 |
| 20110024082 | HEAT EXCHANGER WITH ACCESSIBLE CORE - A heat exchanger may include a core control assembly movable between compressed and uncompressed positions, and a core. The core may have a plurality of layers with a plurality of passages interleaved therebetween, a portion of the passages extending and open to the periphery of the layers. The core control assembly may be operably coupled to the core to compress the core when the core control assembly is in its compressed position and to permit the core to expand from its compressed state when the core control assembly is moved away from its compressed position. The expansion of the core increases a cross-sectional area of the passages at the periphery of the core. | 02-03-2011 |
| 20120186781 | ONLINE PIGGING SYSTEM AND METHOD - The disclosure provides a heat transfer system having a tubing coil for heating fluid flowing therein, where the tubing coil can be pigged (descaled) while operationally online, instead of offline. The online system uses an assembly of valves and associated equipment to connect to a pig launcher and pig receiver while the system is online. A valve opens and the pig launches into the flow stream under pressure through the valve and travels along the tube with the fluid. The system continues to produce heated fluid with the pig in the flow path. A pig receiver receives the pig after the pigging, and then is isolated from the flow path of the heated fluid by another valve. The pig launcher, pig receiver, and pig are removed, and this process is repeated for any other passes in the tubing coil. | 07-26-2012 |
| 20110073280 | HEAT-DISSIPATING FAN HAVING DUST-PROOF STRUCTURE - A heat-dissipating fan having a dust-proof structure includes a stator and a rotor. The stator includes a shaft and a bearing disposed in a shaft hole of the shaft. The rotor includes an axle inserted in the bearing. The axle of the rotor has an inner end connected with an axle seat. The axle seat is located in the shaft hole of the shaft. A slight gap is defined between an outer wall of the axle seat and an inner wall of the shaft hole. The outer wall of the axle seat has a plurality of guiding grooves to block external air from entering the bearing. The guiding grooves are spiral grooves or V-shaped grooves. The guiding grooves are used to expel the air along with the rotation of the rotor, achieving a dust-proof protective structure in a non-contact type to block external dust or water vapor from entering the bearing to influence the running of the bearing. The present invention can enhance the service life of the heat-dissipating fan. | 03-31-2011 |
| 20110036544 | HEAT EXCHANGER - A heat exchanger comprises a substantially pillar sheathed heater, a substantially cylindrical case, and a spiral spring. The sheathed heater is accommodated in the case. The spring is provided so as to be wound around an outer peripheral surface of the sheathed heater. Thus, a spiral flow path is formed among an outer peripheral surface of the sheathed heater, an inner peripheral surface of the case, and the spring. The spring functions as a flow velocity conversion mechanism, a turbulent flow generation mechanism, a flow direction conversion mechanism, and an impurity removal mechanism. A water inlet and a water outlet are respectively arranged at positions eccentric from a central axis of the case on a side surface of the case. | 02-17-2011 |
| 20110036543 | Method and System for Deriming Cryogenic Heat Exchangers - The invention relates to a method and apparatus relate for the liquefaction of natural gas. In another aspect, the present invention concerns the deriming the interior surfaces of a cryogenic heat exchanger employed in the liquefaction of natural gas. In another aspect, the present invention concerns the utilization of a pump to derim the interior surfaces of a cryogenic heat exchanger. | 02-17-2011 |
| 20120168124 | HEAT EXCHANGER WASHING DEVICE AND AIR CONDITIONER HAVING THE SAME - A heat exchanger washing device includes a wash water storage chamber to store wash water in a case, a wash water injection chamber to jet the wash water stored in the wash water storage chamber to a heat exchanger, and a bypass path unit to guide the wash water jetted from the wash water injection chamber to a side surface of the heat exchanger after bypassing an upper surface of the heat exchanger. | 07-05-2012 |
| 20110168353 | FRONT END WATER BOX WITH ON-LINE RUBBER BALL CLEANING FUNCTION IN THE TUBULAR CONDENSER OF A WATER COOLED CHILLER - A front end water box with an on-line rubber ball cleaning function in a tubular condenser of a water cooled chiller is provided. A front end water box and an automatic on-line rubber ball cleaning device are integrated. Besides the structure of a normal front end water box, a ball receiving device, a rubber ball collection cavity, a ball sending device, a division drainage device, a ball sending division separator, a ball observer, an automatic rubber ball receiving-and-sending control valve, an automatic terminal temperature difference (TTD) monitoring and recording device, and an automatic rubber ball cleaning controller are further included. Therefore, division cleaning, on-line observation, and rubber ball replacement are automatically realized, the operation TTD of the chiller is automatically displayed and recorded, and a function of manually adjusting the cleaning frequency, period, and start and stop is achieved, so as to ensure that the TTD increase of the chiller does not exceed 0.3° C., so that the chiller is always in a high efficiency operation status. Also, the front end water box has a simple and compact structure, realizes receiving, sending, and cleaning processes of the rubber balls completely depending on hydraulic principles and a pressure difference between inlet and outlet cooling water, needs no external power, is energy saving and environmentally friendly, and is able to be delivered with a water cooled chiller. | 07-14-2011 |
| 20110132575 | Cleaning Industrial Heat Exchangers Through Utilization of Thicknenss Mode Ultrasonics - Methods and apparatuses for cleaning heat exchangers and heat exchanger components utilizing thickness mode ultrasonics. Heat exchanger components are placed in a tank. The tank is filled with cleaning media. One or more thickness mode transducers are placed in the tank and the thickness mode transducers are operated to clean the tank. In further embodiments, one or more thickness mode transducers are integrated within a heat exchanger. The transducers are operated to clean the heat exchanger space and components located therein. | 06-09-2011 |
| 20110315345 | INDOOR AIR CONDITIONER ABLE TO CARRY OUT WASHING AND CLEANING AUTOMATICALLY - An indoor air conditioner able to carry out washing and cleaning automatically includes a housing having a separating plate bored with wind outlets and through holes. Two fans are respectively received in two fan-accommodating grooves of the housing; a motor is installed in a motor-accommodating groove, having two rotary shafts respectively connected with the fan and covered with a waterproof bushing. Two filter screens are respectively assembled in the fan-accommodating groove; a heat exchanger is received in a heat exchanger-accommodating groove. The housing has one sidewall bored with a water intake, a water exhaust port and an overflow port. An upper cover is provided with a wind intake and a wind outlet, having a wind intake guide plate installed with disinfecting lamps, and further bored with a filling port and an exhaust port for refrigerant, ice water or hot water, a detergent filling pipe and an external air duct. | 12-29-2011 |
| 20090139694 | Regenerative Heat Exchanger - A regenerative heat exchanger for gas streams in heat exchange with one another, the heat exchange occurring via a buffer continuously immersed in all participating gas streams, which is cleanable by a pivotable blowing arm carrying spray nozzles on its free end, a bearing axis of the blowing arm being situated axially parallel to the flow direction of the gas streams in the area of the buffer and its imaginary extension penetrating the buffer, the buffer forming an axis of symmetry for two blowing arms, lying in a mirror image opposite to one another, each having at least one nozzle each for compressed air and for pressurized water. | 06-04-2009 |
| 20120000626 | Lance for Cleaning the Shell Side of a Heat Exchanger Core - A handheld lance for high pressure jetting of tubes of a heat exchanger core comprises a fluid conduit defining an internal plenum chamber having at least one nozzle for emitting a jet of fluid for cleaning the outer surfaces of the tubes of the core and a coupling for connecting the plenum chamber to a high pressure fluid supply line. The or each conduit has an outer diameter sufficiently small to fit between all the tubes of the core and at least one elongate stabilizer bar is mounted on the coupling and positioned to one side of the or each conduit with the axis of the bar lying in the same plane as the adjacent conduit. The bar is sufficiently thin to fit between the tubes of the heat exchanger core and is sufficiently rigid to prevent lateral displacement of the adjacent conduit. | 01-05-2012 |
| 20110100599 | SYSTEM FOR CLEANING HEAT EXCHANGERS - A mobile heat exchanger cleaning system, in particular for power plant heat exchangers, allows a heat exchanger to be safely and reliably cleaned. The cleaning system has an apparatus for collecting, introducing and removing cleaning bodies, a pump for pumping a fluid with cleaning bodies and at least one connector connected with the apparatus and the pump for releasably connecting the cleaning system with a heat exchanger. | 05-05-2011 |
| 20110000643 | APPARATUS FOR VISUALLY INSPECTING AND REMOVING FOREIGN OBJECT IN GAPS OF BUNDLE OF HEATING TUBES OF UPPER PORTION OF TUBE SHEET OF SECONDARY SIDE OF STEAM GENERATOR - Provided is an apparatus for inspecting a structure including a heating tube, a tube sheet supporting the heating tube, and a flow distribution baffle, which are installed in a steam generator of a nuclear power plant, and more particularly, an apparatus for visually inspecting and removing a foreign object in gaps of a bundle of heating tubes of an upper portion of a tube sheet of a secondary side of a steam generator, in which a detector is inserted into gaps of a bundle of heating tubes of an upper portion of a secondary side of a steam generator so as to inspect sludge or foreign objects, and a foreign object remover removes foreign objects when foreign objects are discovered in the gaps of the heating tubes. | 01-06-2011 |
| 20100288471 | Heat exchange system - The invention relates to a heat exchange system ( | 11-18-2010 |
| 20120247729 | AIR MOVER REVERSING FOR WORK VEHICLE COOLING PACKAGE - A method for reversing an air mover to remove debris from a cooling system of a work vehicle. In one embodiment, the largest required fan speed for cooling the engine coolant, hydraulic oil and the charge air is used as the set point speed for a fan. The fan is operated at the set point speed to generate airflow across each of the heat exchangers. Multiple conditions are evaluated for reversing the direction of the fan. | 10-04-2012 |
| 20120247728 | CONTROL METHOD FOR PRIMARY AND SUPPLEMENTAL COOLING SYSTEMS FOR A WORK VEHICLE - A method for controlling a supplemental cooling system for an independent hydraulic system used in combination with a primary cooling system for a work vehicle. Airflow is provided from a first air mover to the primary cooling system and a second airflow is provided to the supplemental cooling system. Multiple conditions are evaluated for reversing the direction of the second airflow to remove debris. In one embodiment, reversing of the airflow from the first and second air movers is synchronized to remove debris from both the primary and supplemental cooling systems and the second airflow from the second air mover is staged. | 10-04-2012 |
| 20100270008 | In-Line Heat Exchange Cleaning System For Liquid Processing Systems - An inline heat-exchanger cleaning system for an industrial production process employs liquid-borne cleaning bodies carried by the process liquid. Various solutions are provided to render the cleaning bodies compatible with a range of process conditions, including acidic conditions, high temperatures, and specific gravities significantly higher and significantly lower than water. | 10-28-2010 |
| 20110308768 | CLEANING MECHANISM WITH TANDEM MOVEMENT OVER EMITTER AND COLLECTOR SURFACES - An apparatus for tandem cleaning of an emitter electrode and collector electrode in electrohydrodynamic fluid accelerator and precipitator devices via movement of a cleaning mechanism including respective cleaning surfaces positioned to frictionally engage the emitter electrode and collector electrode. The cleaning mechanism causes the respective cleaning surfaces to travel along a longitudinal extent of the emitter electrode and, in tandem, over a major dimension of the collector electrode to remove detrimental material from respective electrode surfaces. Alternatively, the electrodes can be transited in tandem in frictional engagement with a fixed cleaning mechanism in the same or opposite directions. A conditioning material is optionally deposited on an electrode to at least partially mitigate ozone, erosion, corrosion, oxidation, or dendrite formation on the electrodes. The conditioning material can include an ozone reducer. | 12-22-2011 |
