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| Number | Title | Issue Date |
| 7849913 | Rotating heat exchanger and method for sealing the same The invention relates to a rotating heat exchanger (1) with a rotatably mounted rotor (3), comprising a first flow sector (4), for external (5) and supply air (6) and a second flow sector (7), for exhaust (8) and vent... | 12/14/2010 |
| 7416016 | Sealing element for a regenerative heat exchanger Disclosed is an improved sealing element for a regenerative heat exchanging apparatus, such as a Ljungstrom™-type or a Rothemuhle™-type Preheater. The sealing element is mounted to a radial wall to provide a secure seal between the radial wall and an outer housi... | 08/26/2008 |
| 7325562 | Heated seal air for valve and regenerative thermal oxidizer containing same Valve with heated sealing gas suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve util... | 02/05/2008 |
| 7278378 | Regenerative air preheater leakage recovery system A regenerative air preheater leakage recovery system comprising a coal-fired steam generator in fluid communication with a regenerative air preheater. The regenerative air preheater adapted to provide a heat exchange between a flow of cool air and of hot flue gas to... | 10/09/2007 |
| 7231958 | Reinforced sealing element A seal for a regenerative air preheater. The seal is comprised of two members that each have a plurality of tabs and slots. The tabs and slots interlock so that the tabs on one member are positioned adjacent the slots on the other member. The tabs have a narrow neck... | 06/19/2007 |
| 7198748 | Injection molding machine and injection molding method for manufacturing foamed shaped parts The injection molding machine comprises a screw plunger (3), which rotates inside an injection unit (2), wherein the screw plunger (3) has, downstream from a metering zone a porous or permeable section (16) which can be charged with a phy... | 04/03/2007 |
| 7172015 | Heat exchanger for air compressor A heat exchanger used in a screw air compressor has a low temperature chamber through which low temperature fluid flows and a high temperature chamber through which high temperature fluid flows. The low temperature chamber and the high temperature chamber are separa... | 02/06/2007 |
| 7104082 | Dehumidification and temperature control system A space has air humidity and temperature to be regulated. An air handler has a temperature regulation element, a fan and a housing. An inflow manifold has an intake end and an outflow end and a plurality of stubs and a plurality of dampers. An outflow manifold has a... | 09/12/2006 |
| 7101602 | Sheet-metal foil with sliding structure, honeycomb body and process for producing the same A honeycomb body has sheet-metal layers and sheet-metal foils to be joined with brazing powder. Each of the foils has at least one sliding structure enabling the adjacent layers to slide over one another. A honeycomb body, particularly a catalyst carrier body for an... | 09/05/2006 |
| 7082987 | Rotary regenerative heat exchanger and rotor therefor A rotary regenerative heat exchanger includes a rotor having primary vanes 14 extending between the hub and the periphery of the rotor, and additional secondary vanes 15 between said primary vanes and extending over an outer annulus of the rotor. Such ... | 08/01/2006 |
| 7077187 | Apparatus for exchanging energy and/or mass A regenerative energy and/or mass exchange assembly has: an exchange media; a first flow path to pass a fluid stream through the exchange media; at least a second flow path to pass a further fluid stream through the exchange media; and at least one fluid stream dive... | 07/18/2006 |
| 7063128 | Drum type heat exchanger A drum type heat exchanger for effectively ventilating and purifying room air of a factory, a building or a house and the like is described. The drum type heat exchanger has heat transfer means with a drum shape and thus an entire size is reduced as much as possible... | 06/20/2006 |
| 7059386 | Sealing element for a regenerative heat exchanger Disclosed is an improved sealing element for a regenerative heat exchanging apparatus, such as a Ljungstrom™-type or a Rothemuhle™-type Preheater. The sealing element is mounted to a radial wall to provide a secure seal between the radial wall and an outer housi... | 06/13/2006 |
| 7036824 | Device for the float mounting a sealed housing A device for float mounting a sealed housing around a rotating, deflecting shaft. A sealed housing is connected to a static part in such a way that it can yield radially as well as rotate around a shaft axis at least to a small extent. ... | 05/02/2006 |
| 7021018 | Panelized wall system utilizing adhesive-edge building panels Disclosed herein are panelized wall systems and methods for their construction, wherein the wall systems have elastomeric joints that are resistant to cracking. The walls are constructed with adhesive-edge building panels. The adhesive-edge building panels are prefe... | 04/04/2006 |
| 6929034 | Coupling system, kit, and method A coupling system, comprising: a first bellows element; a fluid handling component; and a coupling assembly releasably connecting the first bellows element to the fluid handling component for maintaining a secure connection between the first bellows element and the ... | 08/16/2005 |
| 6919055 | Hydrogen supply device In the hydrogen supply device for producing and supplying hydrogen to a fuel cell, a heat exchange section has a rotary thermal storage through which low and high temperature passages pass. Reforming material is supplied to the low temperature fluid passage on an up... | 07/19/2005 |
| 6892795 | Embossed regenerator matrix for heat exchanger A regenerator matrix for effecting the transfer of heat between two counter-flowing air streams separated in part by face seals. The matrix includes strips of material wound about an axis so as to provide a plurality of layers. The matrix also includes embossments l... | 05/17/2005 |
| 6838063 | Hydrogen supply device In the hydrogen supply device for producing and supplying hydrogen to a fuel cell, a reforming section has a rotary thermal storage through which low and high temperature passages pass. Reforming material is supplied to the low temperature fluid passage on an upstre... | 01/04/2005 |
| 6789605 | Sealing element for a regenerative heat exchanger Disclosed is an improved sealing element for a regenerative heat exchanging apparatus, such as a Ljungstrom™-type or a Rothemuhle™-type Preheater. The sealing element is mounted to a radial wall to provide a secure seal between the radial wall and an outer housi... | 09/14/2004 |
| 6681557 | Low cost high efficiency automotive turbines An automotive turbine regenerator system employs sectored matrix elements which are extruded and then assembled into the larger rotary regenerator. Discontinuous rotation is taught such that the seals are not rubbing seals but rather are clamping seals th... | 01/27/2004 |
| 6647929 | System for increasing efficiency of steam generator system having a regenerative air preheater A method for increasing the efficiency of a steam generator system including a boiler and a regenerative air preheater. The method including determining a reduced rate of acid accumulation in the preheater which may be achieved by injecting an SO3 | 11/18/2003 |
| 6598664 | Bypass seal for air preheaters A bypass seal for a rotary regenerative air preheater includes primary and secondary seal leaves that are joined at a single position longitudinally intermediate their first and second sends. The first end portion of the primary seal leaf extends longitud... | 07/29/2003 |
| 6581676 | Rotor design with double seals for vertical air preheaters A method for adding additional axial seals and radial seals within existing air preheaters. The installed heat transfer baskets, radial seals, axial seals, and gratings are all removed from the air preheater. The existing stay plates are modified, if they... | 06/24/2003 |
| 6543520 | Low-distortion axial seal plate for air preheaters An axial seal plate for an air preheater having a single, unitary structure including a sealing portion disposed intermediate first and second end portions extending orthogonally from the sealing portion. The axial seal plate does not including any welds ... | 04/08/2003 |
| 6505679 | Low-distortion sector plate for air preheaters A sector plate for an air preheater including a seal plate having a sealing surface and an oppositely disposed mounting surface. Multiple tabs mount a portion of a rigid support structure to the mounting surface of the seal plate. Multiple support members... | 01/14/2003 |
| 6397785 | Rotor design with double seals for horizontal air preheaters A method for adding additional axial seals and radial seals within existing air preheaters. The installed heat transfer baskets, radial seals, axial seals, gratings, and stay plates are all removed from the air preheater. An intermediate diaphragm plate i... | 06/04/2002 |
| 6328094 | Rotary type regenerative heat exchanger There is provided a rotary type regenerative heat exchanger which can effectively prevent an air bypass leak or a gas bypass leak. A rotary type regenerative heat exchanger of the present invention has a rotor (4) rotating around a central shaft (2), a he... | 12/11/2001 |
| 6298877 | Distributing valve device for heat accumulation type combustion system A distributing valve device for a heat accumulation type combustion system comprising a stationary valve mounted on an underside of a housing having six or more passages defined by partition walls provided therein at predetermined intervals, and having he... | 10/09/2001 |
| 6279647 | Method and device for sensing a clearance A method and an arrangement for sensing the clearance between an object and an object-adjacent surface, which is particularly for use in difficult ambient conditions, such as in dirty, corrosive environments and under varying temperature and pressure cond... | 08/28/2001 |
| 6260607 | Air preheater sector plate drive Drive means are provided to move the sector plates of rotary regenerative air preheaters into sealing position with the radial seals on the rotor during rotor turndown. A pair of fluid drive cylinders are connected to a pair of drive chains which rotate a... | 07/17/2001 |
| 6227150 | Load based control system for active leakage control in air preheater A rotary air preheater has a rotor, at least one seal disposed proximate to the rotor, a drive for reciprocally driving a portion of the seal between a first position adjacent the rotor and a second position spaced from the first position, and a control s... | 05/08/2001 |
| 6155209 | Air preheater sector plate design with centered sealing arrangements A sector plate static sealing arrangement for a rotary regenerative air preheater employs a single rib attached to and extending along the center line of the sector plate toward the air preheater casing. The rib cooperates with a static seal attached to t... | 12/05/2000 |
| 6085829 | Regenerator type heat exchanger Heat is exchanged between high and low temperature gases in a regenerator type of heat exchanger, wherein the high temperature gas is conducted through a high temperature passage formed in a housing, and the low temperature gas is conducted through a low ... | 07/11/2000 |
| 5983986 | Regenerative bed heat exchanger and valve therefor The invention provides a forced air furnace integrated with a ventilator having a pair of regenerative bed heat exchangers. The heat exchangers alternate between heat recovery and heat release modes such that when one heat exchanger is in the heat release... | 11/16/1999 |
| 5965097 | Rotary device for catalytic cleaning of gaseous effluents The invention relates to a cleaning device wherein polluted effluents are passed into a cage (2) where a partitioned ring (1) of vertical axis, containing a charge (M) of a solid material exhibiting a large heat exchange surface and, against the inner wal... | 10/12/1999 |
| 5950707 | Sealing element for a regenerative heat exchanger Disclosed is an improved sealing element for a regenerative heat exchanging apparatus, such as a Ljungstrom™-type or a Rothemuhle™-type Preheater. The sealing element is mounted to a radial wall to provide a secure seal between the radial wall and an ... | 09/14/1999 |
| 5915340 | Variable sector plate quad sector air preheater A sealing arrangement for a quad sector rotary regenerative air preheater has a rotor rotatably mounted in a housing. The rotor has radially extending diaphragms forming compartments and radial seals extending along the edges of the diaphragms. Sector pla... | 06/29/1999 |
| 5915339 | Sector plate and seal arrangement for trisector air preheater A trisector air preheater includes sector plates between the primary air sector and the flue gas sector and between the secondary air sector and the flue gas sector which are of a large size so as to provide double radial seals. However, the sector plate ... | 06/29/1999 |
| 5913359 | Bypass seals for rotary regenerative heat exchangers A heating element basket assembly for a rotary regenerative air preheater has a picture-frame structure with the open areas on each side being covered by a flat plate attached to the inside of the frame. A sealing plate member is attached to the outside o... | 06/22/1999 |
