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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 8181693 | 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 mea... | 05/22/2012 |
| 7975758 | 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, ... | 07/12/2011 |
| 7900691 | Heat exchanger vessel with means for recirculating cleaning particles A heat exchanger vessel (1) comprises a tubular outer shell (2) in which a bundle of substantially parallel heat exchanging tubes (7) is arranged between a pair of perforated disk-shaped partitioning walls (5, 6), an inlet (9) and ... | 03/08/2011 |
| 7836941 | Mitigation of in-tube fouling in heat exchangers using controlled mechanical vibration Fouling of heat exchange surfaces is mitigated by a process in which a mechanical force is applied to a fixed heat exchanger to excite a vibration in the heat exchange surface and produce shear waves in the fluid adjacent the heat exchange surface. The mechanical fo... | 11/23/2010 |
| 7823627 | Device for generating acoustic and/or vibration energy for heat exchanger tubes A device is coupled to a heat exchanger for mitigating fouling by applying a mechanical force to a fixed heat exchanger to excite a vibration in the heat exchange surface and produce shear waves in the fluid adjacent the heat exchange surface while the heat exchange... | 11/02/2010 |
| 7823628 | Passive back-flushing thermal energy system This invention provides a thermal energy system comprising a heat exchanger for transferring thermal energy between a source and a load, the heat exchanger having a primary side associated with the source, and a secondary side for conducting a fluid associated with ... | 11/02/2010 |
| 7735545 | System and apparatus for non-powered cleaning of tubular heat exchange systems In the present invention, a dual hull cyclone is incorporated into a non-powered cleaning system using balls for tubular heat exchange systems. The dual hull cyclone separates balls which are smaller than a predetermined diameter so that they can be disposed of and ... | 06/15/2010 |
| 7650930 | High temperature process for solution polymerization A process for the solution polymerization of olefins with improved on-stream time is provided. The solution polymerization process of the current invention comprises a method for the on-line removal of foulant material from one or more heat exchangers downstream of ... | 01/26/2010 |
| 7493938 | Collection system for the mechanical cleaning of heat exchanger tubes An apparatus for cleaning heat exchanger tubes and in particular an improved collection system for nuclear generator cleaning and blasting media and deposit material. A suction line having a downwardly directed suction inlet is effective to vacuum airborne media and... | 02/24/2009 |
| 7441588 | Heat exchanger unit The present invention provides a heat exchanger unit that can save space, even when performing air conditioning in addition to ventilation. The heat exchanger unit performs heat exchange ventilation with a supply air channel flowing from an outdoor space to an indoo... | 10/28/2008 |
| 7418997 | Radiator debris removing apparatus and work machine using same A radiator assembly includes a finned radiator core and a debris removing apparatus having a compressed air inlet and at least one compressed air outlet configured to direct compressed air through the radiator core. A work machine such as a wheel loader includes a r... | 09/02/2008 |
| 7410611 | In-line method and apparatus to prevent fouling of heat exchangers The present invention relates to a method and apparatus for the prevention of fouling of process streams by the application of electric charge on process components. The electric charge may be attractive or repulsive to the foulants, they may be constant or variable... | 08/12/2008 |
| 7395760 | Device, system and method for on-line explosive deslagging A device, system and method permitting on-line explosives-based cleaning and deslagging of a fuel burning facility (31) such as a boiler, furnace, incinerator, or scrubber. A coolant, such as ordinary water, is delivered to the explosives (101) to prev... | 07/08/2008 |
| 7370690 | Apparatus for tilting and securing a heat exchanger Apparatus for supporting a heat exchanger such as a condenser of an air conditioning system on a vehicle, for pivotal movement between an operational position and a position angularly related to the operational position, for such purposes as inspection, cleaning, se... | 05/13/2008 |
| 7368139 | Aseptic processing system for fruit filling An apparatus for aseptic processing of a viscous food product includes a product tank configured to hold the viscous food product. A first pump is configured to pump the viscous food product from the product tank through a heat exchanger at a given rate. A cleaning ... | 05/06/2008 |
| 7338564 | Powdered evaporator coil cleaner A prepackaged, peroxide-based, cleaning composition is described which is suitable for on-site dilution, and for cleaning substrates such as air conditioner coils. ... | 03/04/2008 |
| 7302999 | Scraper blade and method for scraped-surface heat exchanger A curved scraper blade for a scraped-surface heat exchanger pivots about an axis off the centerline of the blade. The profile of the blade is chosen to provide a low initial scrape angle and to change gradually if at all as the blade wears away in service. The off-c... | 12/04/2007 |
| 7287575 | Component for supporting a filter member, a device including a tubular filter member and said component, a plate heat exchanger including a tubular filter member and said component The invention relates to a component (20) for supporting a tubular filter member (15) in a portable channel (2) in a plate heat exchanger (1). The invention also relates to a device including the component (20) and the filter membe... | 10/30/2007 |
| 7267133 | Large scale tubular line kiting system A large scale cleaning plug (L) adaptable to be placed within an interior passageway (10) of a tubular system (14) includes a generally conically shaped element (C) having a first end (18) and an opposite second end (20). The width of the... | 09/11/2007 |
| 7264039 | Apparatus for cleaning heat exchanger plates and a bulk material heat exchanger using the same An apparatus removing material accumulated on the exterior surfaces of adjacent heat exchanger plates arranged side-by-side in a spaced relationship in a bulk material heat exchanger and a bulk material heat exchanger incorporating the apparatus is provided. In one ... | 09/04/2007 |
| 7213619 | Methods for replacing engine system cooling fluids with a continuous flow A method of replacing fluid in an automotive system requires interconnecting a radiator fill port of the radiator with a first external tank through a closed control valve, disconnecting an upper hose from an upper radiator port and reconnecting the upper hose to a ... | 05/08/2007 |
| 7211194 | Gravity pressure vessel and related apparatus and methods A gravity pressure vessel (GPV) for processing a fluid stream containing organic materials provides several improvements to the art. In one embodiment, a GPV of the present invention sustains the heat energy requirements of a hydrolysis GPV by including therein, a f... | 05/01/2007 |
| 7201973 | Bimetallic plate-fin titanium based heat exchanger A heat exchanger of the plate-fin type has fins of one metal brazed to a plate made of a different metal for use in oil coolers, condensers, evaporators, and the like. The distortion-prone titanium fins of conventional heat exchangers may be replaced with another me... | 04/10/2007 |
| 7178347 | Method for refrigerant and oil collecting operation and refrigerant and oil collection controller A method for refrigerant and oil collecting operation capable of assuring the cleanliness of the inside of an existing communication pipe at a low cost and installing, at a low cost, a new air conditioner, comprising a compressor (1), a heat source side heat ... | 02/20/2007 |
| 7178534 | High pressure tube cleaning apparatus An assembly for rotating and axially directing a high pressure spray hose and spray head to clean residue from the bores of thermal transfer tubes. Modular subassemblies are concentrically aligned and mounted to rotate in synchrony and direct a high-pressure water h... | 02/20/2007 |
| 7179390 | Method of filtering a fluid and remote filtering station Filtering of an operating fluid of a mechanical device is performed utilizing a pumping device of the mechanical device which routinely circulated the operating fluid within the mechanical device. A remote filtering station of the present invention has a first condu... | 02/20/2007 |
| 7171972 | Passive back-flushing thermal energy system This invention provides a thermal energy system comprising a heat exchanger for transferring thermal energy between a source and a load, the heat exchanger having a primary side associated with the source, and a secondary side for conducting a fluid associated with ... | 02/06/2007 |
| 7131490 | Fan coil controller A fan coil controller for a hot and cold water system of a building that turns off the fan while the hot water and cold water coils are flushed. A fan coil control circuit is configured to periodically and temporarily operate a hot water flow control circuit and a c... | 11/07/2006 |
| 7128138 | Indirect evaporative cooling heat exchanger A heat exchanger including a header having a plurality of header openings with rigid tubes that may be made of plastic are inserted in the openings. The tubes are sealed to the header to prevent leakage between the header and the tubes to prevent water and air leaka... | 10/31/2006 |
| 7094293 | Device and method for mechanical cleaning of grooves A device for mechanically cleaning a grooves used to hold a rotor or a stator winding of an electric machine includes an axially moveable device carrier and at least one cleaning tool connected to the device carrier and extending radially from the device carrier int... | 08/22/2006 |
| 7055580 | System for cleaning tubes of heat exchangers and cleaning bodies for use in the system In a system for cleaning tubes of tube-bundle type heat exchangers including a plurality of tubes (5) arranged in parallel between two chambers (10a, 10b) and flown through by a fluid medium, in particular crude oil, at a temperatu... | 06/06/2006 |
| 7047908 | Cooling flange An apparatus has a body with first and second faces, an inboard surface bounding a central aperture, an outboard perimeter, and an array of bolt holes between the first and second faces. A channel is inboard of the bolt holes and first and second ports communicate w... | 05/23/2006 |
| 7043938 | Method of thawing a cryogenic unit A method for thawing and removing frozen material from a cryogenic separation unit such as that found in an olefin production plant comprising employing a flushing agent to thaw and remove the frozen material, purging the flushing agent with a gas, and removing resi... | 05/16/2006 |
| 7040331 | High pressure tube cleaning apparatus An assembly for rotating and axially directing a high pressure spray hose and spray head to clean residue from the bores of thermal transfer tubes. The assembly includes a number of subassemblies that are concentrically aligned and mounted to rotate in synchrony and... | 05/09/2006 |
| 7036564 | Cleaning system A cleaning system for cleaning tubing using cleaning balls (20) circulated with the fluid through tubing (8). The system includes a separator (12) having a perforated funnel, which permits the fluid, but not the cleaning balls (20), to pa... | 05/02/2006 |
| 7024878 | Cleaning system for refrigerator condenser This cleaning system includes a compressor driven by a motor, a condenser; a cooling fan for directing an air stream at the condenser during normal operation, a motor drive system for driving the fan, and a timing device for reversing the rotational direction of the... | 04/11/2006 |
| 7014392 | Device for pneumatic or hydraulic conveying of dusty, powdery or granular bulk material The present invention is directed to a device for pneumatic or hydraulic conveying of dusty, powdery or granular bulk material. The device includes a conveyor line, an inner pipe in the conveyor line that is parallel to the axis and preferably eccentric. The inner p... | 03/21/2006 |
| 7013953 | Heat exchanger for wasted heat with its cleaning apparatus A waste heat recovery system includes: a tank; heat exchange pipes connected with one another in the form of a ‘S’ shape in multiple steps inside the tank and having city water flow pipes bound up into a bundle; circulation leading plates mounted between the hea... | 03/21/2006 |
| 7011047 | Detonative cleaning apparatus Methods and apparatus are provided for cleaning a surface within a vessel. A fuel/oxidizer charge is provided within a combustion conduit. An initial deflagration commenced in a first portion of the charge produces a final detonation at least in another portion of t... | 03/14/2006 |
| 6978793 | Portable cleaning apparatus and method for single pass plate and frame heat exchangers A portable apparatus and method for chemically cleaning a single pass plate and frame heat exchanger allows the cleaning solution to be uniformly distributed across the plate pack. This portable system of one pump of preferably 10-horsepower, capable of 300 gallons ... | 12/27/2005 |