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| Number | Title | Issue Date |
| 7856949 | Heat pipes and use of heat pipes in furnace exhaust An array of a plurality of heat pipe are mounted in spaced relationship to one another with the hot end of the heat pipes in a heated environment, e.g. the exhaust flue of a furnace, and the cold end outside the furnace. Heat conversion equipment is connected to the... | 12/28/2010 |
| 7757642 | Tube sheet pressure retaining plug for water tube condensers, power boilers, and heat exchangers The present invention concerns a boiler tube plug, which is used to plug holes left in drum walls after removal of failed boiler tubes in industrial power boilers, condensers, or heat exchangers. The present invention concerns a new and innovative boiler tube sheet ... | 07/20/2010 |
| 7597067 | Process to reduce the temperature of a hydrogen and carbon monoxide containing gas and heat exchanger for use in said process A process to reduce the temperature of a hydrogen and carbon monoxide containing gas by contacting the gas with a metal alloy surface having a lower temperature than the temperature of the gas, wherein the metal alloy surface has between 0 and 20 wt % iron, between ... | 10/06/2009 |
| 7559294 | End support configuration for steam tubes of a superheater or reheater End support for parallel tubes of a superheater or reheater with a bend tubular portion, a linear tubular portion extending away from each end of the bend tubular portion, and a supporting member formed on a curved section of the bend tubular portion. The tubular po... | 07/14/2009 |
| 7533633 | Establishing a connection between steam generator heating surfaces and a collector and/or distributor The invention relates to the establishing of a connection between steam generator heating surfaces made of austenitic materials and a collector and/or distributor made of martensitic or ferritic materials or of a nickel-base alloy. In order to extend the expectation... | 05/19/2009 |
| 7370462 | Steam injection tubes individually mounted for selective removal from manifold A steam injection manifold assembly is mounted to a crop pick-up assembly and is provided with an elongate manifold disposed lengthwise of the pick-up assembly. A plurality of steam injection tubes are releasably mounted to the manifold to receive steam exiting thro... | 05/13/2008 |
| 7357100 | Heat exchanger tube panel module, and method of constructing exhaust heat recovery boiler using the same A necessary size and number of modules each obtained by housing a member including heat exchanger tube panels each comprising a heat exchanger tube bundle and headers for the heat exchanger tube bundle, an upper casing of an exhaust heat recovery boiler (HRSG), prov... | 04/15/2008 |
| 7275589 | Anti-vibration bars for boiler tubes with protective shields A bank of horizontally oriented boiler tubes which are periodically exposed to the abrasive action of a stream of blowing fluid cleaning medium. Portions of the boiler tubes, located at the top of the bank, are provided with spaced shields for protection from the fl... | 10/02/2007 |
| 7265315 | Method of joining terminals by soldering A method of joining terminals by soldering is provided which allows control of increasing gas supply even in soldering performed in a gas atmosphere within a gas chamber. Utilizing a springback phenomenon occurring at a flat portion of a terminal, a solder joint of ... | 09/04/2007 |
| 7240724 | Monolithic tube sheet and method of manufacture A monolithic refractory ceramic tube sheet for use in all-ceramic air-to-air indirect heat exchangers, the heat exchanger used in all temperature and all pressure applications. A method for forming the monolithic tube sheet includes casting a refractory ceramic in a... | 07/10/2007 |
| 7204061 | Fireproof structure and installation method for protecting water pipes A fireproof structure protects water pipes with stable durability even in a high temperature gas environment. Even in a case where it falls off, it does not leave the water pipes suddenly exposed. The fireproof structure for protecting water pipes 25B install... | 04/17/2007 |
| 7182045 | Split ring casting for boiler tubes with protective shields A series of upright boiler tubes periodically exposed to the abrasive action of a stream of blowing fluid cleaning medium. Vertically spaced shields mounted on the boiler tubes for protection from the fluid cleaning medium. A split ring casting located between the p... | 02/27/2007 |
| 7129194 | Catalyst system with improved corrosion resistance An improved catalyst system that includes a metal support structure and an anti-corrosive layer on the metal support structure, and has improved resistance to corrosion and other degradation under corrosive environments. Typically, a catalyst supporting layer is app... | 10/31/2006 |
| 7089887 | Water wall fit up tool The water wall fit up tool will fit a wide range of tube panel sizes such as ⅞ inch through 3¼ inch tube sizes. It uses the adjacent tubes to force the tube panel into alignment. One unit can fit up two tubes yet can be used in conjunction with two or more tools.... | 08/15/2006 |
| 7060164 | Double-fired processing furnace The present invention concerns a processing furnace used by the oil industry to heat feedstocks that are to be treated thermally, which is provided with bi-pivotal support columns to carry the radiation exchange tubes which form the coil of radiation exchange tubes.... | 06/13/2006 |
| 7021671 | Septic tank drain field pipe manifold system and method of use A manifold having a tubular body including effluent retention areas formed within the body and conduit portions having opposing ribs extending radially from an outside surface for use with a pipe anchoring mechanism when installing the manifold and connected flexibl... | 04/04/2006 |
| 6971169 | Heat-resistant assembly for protecting boiler tubes and method of assembling same This invention concerns a heat-resistant assembly having a heat-resistant block conformed to the contours of boiler tubes and the surface of their connecting rib. The heat-resistant assembly has an arm which protrudes from the surface of the rib toward the heat-resi... | 12/06/2005 |
| 6960333 | High performance heat exchangers Disclosed are means for improving the service-life of indirect tubesheet type heat exchangers used in chemical reactors, particularly those exposed to reducing, nitridizing and/or carburizing environments. Such means include the use of certain ferrules within the he... | 11/01/2005 |
| 6929332 | Stamped ABS sensor bracket A vehicle axle is provided that includes a spindle supporting a wheel hub having a toothed wheel. A tapered axle portion is adjacent to said spindle, and an ABS sensor bracket is secured to the tapered portion. The bracket has a body defining a hole receiving an ABS... | 08/16/2005 |
| 6741899 | System and method for designing a component A system 10 for designing an automotive component such as an air induction tube 22. A CAD system 18 receives certain programmable parameters 14 and a user selected integer value 16 by way of a user interface 12, and generates a tub... | 05/25/2004 |
| 6712027 | Hot water heating system and connector for use therewith A hot water heating system, coupler and integrated flow system. The hot water heating system includes a first isolator valve, a flow control valve, a circulator and a second isolator valve. Each of these components is equipped with one portion of a connector on one ... | 03/30/2004 |
| 6672260 | Steam generator tube support plates with slotted disc springs An improved support for a tube bundle of a nuclear steam generator has a pair of plates separated by spacers and holding slotted disc springs used to mount tubes through tube holes of the pair of plates. The slotted disc springs deform upon installation a... | 01/06/2004 |
| 6591790 | Fire-resistant structural body supporting metal bar for protection of water pipe A support fitting for the heat-resistant block to protect boiler tubes, which protrudes upward at a right angle from the surface of the rib between two boiler tubes, and which is welded on the rib and has a catch to engage with the heat-resistant block on... | 07/15/2003 |
| 6491000 | Wall protection from downward flowing solids A tube wall, division wall, or wing wall section (10) for a circulating fluidized bed boiler with improved erosion resistant characteristics has a reduced diameter tube section (40) adjacent the refractory covered by an abrasion resistant refractory tile ... | 12/10/2002 |
| 6360700 | Refractory lining for tubular wall A refractory tube wall lining comprises a multiplicity of refractory tiles (1) which are arranged next to and above one another and each have two T-shaped slots (16) which extend over the entire height of the tile. The tiles (1) are held on the lined tube... | 03/26/2002 |
| 6321691 | Oxidation resistant low alloy attachments for boiler components A boiler attachment used to support a boiler component within the furnace or boiler chamber is composed of a similar material to the boiler component it is welded to, in order to eliminate the dissimilar weld failure. The boiler attachment is coated using... | 11/27/2001 |
| 6273030 | Spacer bar with tube sleeve and tab A spacing arrangement for tubes of a reheater or superheater tube section uses a spacer bar that is sufficiently long to span a space across a plurality of tubes in the tube section. The spacer bar has a plurality of holes therein which are spaced apart b... | 08/14/2001 |
| 6267066 | Refractory tile system for boiler tube/heat exchanger A refractory tile system includes a barrier layer coating applied to the wall (membrane and waterwall or tube wall) of a boiler of an incinerator or heat exchanger. Refractory tiles are then fastened to the tube wall utilizing a floating attachment mechan... | 07/31/2001 |
| 6250259 | Flow-through heater for heating water The invention is directed to a protective device for a heating unit, in particular for a flow-through heater (22), which is equipped with a current-carrying conductor (1) having a first end thereof mechanically biased into contact with a first fixed point... | 06/26/2001 |
| 6237545 | Refinery process furnace Refinery process furnaces are disclosed that have horizontal-helical radiant coils and/or improved ladder-type supports for the horizontal tubes. The coils have a tubeside fluid flow path from an inlet pipe section through an alternating series of straigh... | 05/29/2001 |
| 6173682 | Tubesheet and tube protector device and a method for making such a device A tubesheet protector device is provided for use with a boiler having at least one tube for receiving a fluid extending therethrough. The tubes extend approximately perpendicularly from a tubesheet covering an inlet of the boiler. The tubesheet protector ... | 01/16/2001 |
| 6173927 | Device for suspending a horizontal heat-exchanger tube from a vertical supporting tube A device which suspends a horizontal heat-exchanger tube from a vertical supporting tube, including a flat section member adapted to be welded to an outside wall of the vertical supporting tube and parallel to an axis thereof, the flat section member bein... | 01/16/2001 |
| 6161507 | Tube protection devices and methods A tube protector device includes a first cap member, the first cap member being configured to fit over and substantially seal a first end of a tube; a second cap member, the second cap member being configured to fit over and substantially seal a second en... | 12/19/2000 |
| 6047929 | Radiant tube supporting apparatus The present invention provides a radiant tube supporting apparatus for a radiant tube arranged as a radiant heat source in a heat treatment furnace. The radiant tube is inserted through a furnace wall on one side having a supporting member attached to a b... | 04/11/2000 |
| 6044805 | Wall protection from downward flowing solids A tube wall, division wall, or wing wall section for a circulating fluidized bed boiler with improved erosion resistant characteristics has a reduced diameter tube section adjacent the refractory covered by an abrasion resistant refractory tile. The refra... | 04/04/2000 |
| 6006702 | Retainer shield for split ring castings A retainer shield for a split ring retains boiler tubes aligned therein and dissipates heat from a front weld thereon. The retainer shield is preferably made from about 50% chromium and about 50% nickel and is welded to one end of the split ring to assist... | 12/28/1999 |
| 5950575 | Hydronic manifold A manifold for distributing a circulating fluid, such as water, to multiple zones of a hydronic system, such as a hot water heating system. The manifold is of unitary construction and includes a plurality of distribution branches and an air scoop extendin... | 09/14/1999 |
| 5943985 | Welded bracket for supporting superheat and reheat assembly tubing on steam cooled hanger tubes Apparatus which may be a part of various systems including piping systems and fluidized bed systems. The apparatus that holds one tube with respect to another tube includes a body that has a first cylindrical section shaped portion and a second cylindrica... | 08/31/1999 |
| 5934227 | Variable pressure once-through steam generator upper furnace having non-split flow circuitry A once-through steam generator having single pass non-split fluid flow upper furnace circuitry with a one to one connection of tubes of the lower furnace spiral or vertical tube assembly being connected to the vertical tubes of the upper furnace assembly ... | 08/10/1999 |
| 5901669 | Variable pressure once-through steam generator upper furnace having non-split flow circuitry A once-through steam generator having single pass non-split fluid flow upper furnace circuitry with a one to one connection of tubes of the lower furnace spiral or vertical tube assembly being connected to the vertical tubes of the upper furnace assembly ... | 05/11/1999 |
