Class 454/1 - CHIMNEY OR STACK

Subclass of Class 454 - Ventilation
Definition: Subject matter relating to a generally vertical, projecting,
No. of patents: 36
Last issue date: 08/03/2010

Number	Title	Issue Date
7766731	Exhaust gas chimney An exhaust gas chimney, especially an exhaust gas chimney installed directly downstream of a gas turbine or downstream of the waste heat recovery boiler of a gas turbine, includes an inner shell formed as a metal tube and surrounded by a sound absorption ring filled...	08/03/2010
7262385	Material processing device A device for material processing, such as welding, joining, cutting, inspecting and the like, includes an energy beam source and one or more energy beam transfer devices. The one or more transfer devices may direct an energy beam at one or more predetermined locatio...	08/28/2007
7258710	Maritime emissions control system An Advanced Maritime Emissions Control System (AMECS) includes several Exhaust Intake Bonnets (EIBs) of different size and/or shape, an Emissions Capture System (ECS), and an Advanced Maritime Emissions Control Unit (AMECU) mounted on an Unpowered Seagoing Barge (US...	08/21/2007
7077739	High velocity and high dilution exhaust system The high velocity and high dilution exhaust system uses a centrifugal fan provided with a tapered nozzle. The nozzle compresses the airstream exiting the fan to increase back pressure and velocity. The air flow from the fan enters a stack having a venturi further in...	07/18/2006
6521155	Chimney-pipe and manufacture of same A process for manufacturing a plastic pipe from recycled crushed PET starting material includes kneading the starting material under the influence of heat while removing moisture therefrom so as to prevent hydrolysis of the PET material and thereafter fee...	02/18/2003
5722235	Exhaust gas back pressure attenuator for truck exhaust stacks The present invention relates generally to an exhaust gas back pressure attenuator for truck exhaust stacks. In particular, the present invention is directed toward an improved exhaust gas deflector that reduces the back pressure within the vertical tubul...	03/03/1998
5562155	Ventilated tank pagoda A structure or cooling a large cylindrical storage tank has the shape of an inverted funnel and is intended to be disposed over the tank receiving the upper portion therein and internal struts are provided to separate the funnel wall from the tank wall, T...	10/08/1996
5527216	Chimney A segmented chimney constructed from separate inflated chimney units mounted one on top of another. Each chimney unit has a segmented side wall, the segments being individually movable relative to the unit....	06/18/1996
5425413	Method to hinder the formation and to break-up overhead atmospheric inversions, enhance ground level air circulation and improve urban air quality Disclosed is a method for hindering the formation and for penetrating and breaking-up overhead atmospheric inversions, enhancing ground level air circulation and, improving urban air quality and transporting ozone to the upper atmospheres by the use of wa...	06/20/1995
5246397	Spacer rack for smoke detecton having separable sections A narrow chimney-like airflow space between vertical columns of stacked, palletized loads is created by a narrow rectangular shaft of open mesh wire creating a narrow vertical passage extending the full height of the columns of palletized loads up which s...	09/21/1993
5160294	Spacer rack for smoke detection A narrow chimney-like airflow space is created between vertical columns of stacked, palletized loads by a narrow rectangular shaft of open mesh wire creating a narrow vertical passage extending the full height of the columns of palletized loads up which s...	11/03/1992
5145458	Method and apparatus for lifting gas streams to a great elevation in the atmosphere In a method and apparatus for lifting gas streams, vertical streams of air and/or gases of a great height are artificially formed in the atmosphere, mainly for decontamination purposes, by heating the air throughout a circular area sufficient to produce a...	09/08/1992
5125197	Interior cover for an air conditioner mounted in a wall An improved interior cover is provided for an air conditioner having a cabinet and front grille, the cabinet is mounted in an aperture in a wall of a building. The improved interior cover consists of an enclosure member sized to fit over the front grille ...	06/30/1992
4993314	Convectively cooled hot gas exhaust structure to reduce infrared radiation The invention is a new design for a structure such as a stack for exhaust hot gases. One embodiment is that of the top portion of a ship's stack (the watchcap) for exhausting a hot steam plant, a gas turbine, a diesel or other engine, or burner exhaust g...	02/19/1991
4947826	Chimney and fireplace construction Elongated, vertical air chambers having an open upper end and a closed lower end are located within or attached to the walls of a fireplace, where the upper ends open only into the interior of the fireplace. Air heated within the air chambers rises into t...	08/14/1990
4924762	Solar powered air filter system A solar powered passive air filter system for filtering an air space polluted with particulate matter includes an elongated vertical chimney located in association with the polluted air space and in a position to be exposed to solar radiation. A duct conn...	05/15/1990
4865013	Self-adjusting telescoping concentric flue assembly A self-adjusting, telescoping concentric flue assembly provides non-separating, substantial flexibility between the telescoping sections of both the flue and the air supply ducts. The lower flue and air supply ducts may move radially independently of each...	09/12/1989
4800690	Stack system A guyed stack has a system of horizontal rings and vertical struts surrounding it to which the guy wires are attached. The rings and struts allow free expansion and contraction of the stack. The vertical struts support the vertical components of the guy t...	01/31/1989
4718156	Method of retrofitting an exhaust stack by incorporating a filter assembly A filter assembly for an exhaust stack having a housing defining an interior chamber and an inlet and an outlet which are connected in series with the exhaust stack. A mounting frame is secured diagonally within the interior of the housing so that the mou...	01/12/1988
4637300	Filter assembly for an exhaust stack A filter assembly for an exhaust stack having a housing defining an interior chamber and an inlet and an outlet which are connected in series with the exhaust stack. A mounting frame is secured diagonally within the interior of the housing so that the mou...	01/20/1987
4567700	Frame-supported membrane for chimney In its preferred embodiment, the improved frame-supported membrane has a membrane of light-gauge, corrosion resistant nickel alloy construction, this membrane being suspended within a base-supported frame. The membrane-to-frame hanger is designed for easy...	02/04/1986
4460128	Apparatus for dispersing flammable gases into the atmosphere Apparatus for dispersing waste gas in the form of mixtures of controlled composition. This apparatus ejects the gas through at least one nozzle at a pressure above blast pressure and below the stable ignition pressure in the presence of a flame, these bla...	07/17/1984
4448219	Heat-insulating pipe element Heat-insulating pipe element of a pipe for conveying flue gases comprising a metal outer tube, a metal inner tube fitted co-axially in the outer tube by fixing means in a substantially immovable relation to the outer tube and a heat-insulating material be...	05/15/1984
4437090	Apparatus for indicating creosote buildup in a chimney In order to provide an indication of the extent to which creosote has built up in a chimney, an accumulator on which creosote will also build up is held suspended in a chimney in a zone where a major creosote buildup is anticipated. The accumulator is so ...	03/13/1984
4381717	Sectional smokestack A dual wall concrete smokestack having a freestanding flue liner in each flue. The smokestack being constructed of preassembled and precast concrete sections axially stacked one upon the other. The preassembled sections have a precast concrete body having...	05/03/1983
4320602	Stabilizing structures against oscillation A device for stabilizing structures such as chimneys and like stacks against transverse oscillation, comprising a mass connected to the structure by a pendulum suspension so as to oscillate in a direction transverse to the axis of the structure. The pendu...	03/23/1982
4279625	Electrostatic system for concentrating, propelling and collecting airborne particulates for industrial furnaces A system of corona injection and repelling electrodes are positioned such that airborne particulates are charged in situ and are propelled to collecting grids above a furnace, or concentrated into particle streams directed into ventilation hoods to be col...	07/21/1981
4175538	Energy saving furnace construction A furnace shell has a fire pot centrally located therein, the walls of the shell and fire pot being spaced to form a fluid heat transfer chamber therebetween. Heat transfer is effected between the pot and the chamber to heat the fluid medium in the chambe...	11/27/1979
4166477	Discharge conduits of steam generators and the like The invention provides, at the end of a pipe which extends a valve being part of an exhausting device for pressure-relieving a pressurized fluid, a nozzle which is exactly at the input of a hood, the convergent portion of said nozzle reducing its exit sec...	09/04/1979
4158276	Multiple passage roof flashing assembly A roof flashing and counter-flashing assembly for providing a fluid-sealing passageway for pipes, tubes and conduits through the roof of a building including a sleeve anchorable at one open end to the roof about the roof opening through which the pipe, tu...	06/19/1979
4031631	Apparatus for reducing the opacity of the emissions from wood dryers The apparatus disclosed comprises conduits connecting the outlets of a plurality of heating zones of wood dryers to a common stack through which the emissions from all of the zones are discharged to the atmosphere. The common stack and the conduits betwee...	06/28/1977
4018381	Apparatus for increasing the efficiency of heating systems for buildings Apparatus and method for reducing the flow of convection currents into and throughout the interior of a building during and after the time hot exhaust gases from the furnace are discharged through the chimney by utilizing a passage means to bring in outsi...	04/19/1977
4012191	System for recovering heat from the exhaust gases of a heat generator A system for recovering heat from the exhaust gases of a heat generator in which a conduit connects the heat generator to the discharge stack and a fan forces the hot gases from the heat generator to the stack. A heat recovery unit removes heat from the g...	03/15/1977
3984220	Chimney for purifying smoke of gases A chimney for purifying smoke or gases has a tubular lining within the chimney on which a cleaning liquid downwardly flows. A central helicoidal surface composed of a plurality of piled helical elements, imparts a helical movement to smoke or gases rising...	10/05/1976
3974756	Apparatus and method for field burning and fog or smog control An exceptionally long, segmented, high-altitude flue of flexible, light-weight material suspended vertically at its upper end from a gas-filled balloon and including at its lower end an open-bottomed hood. The hood segment tapers upwardly from an extremel...	08/17/1976
3960064	Tall stack construction A tall stack construction which may be used for the discharge of products of combustion or may be used as a flare stack with a burner at the top end for combustion of waste products from oil refineries or other chemical processes, the stack pipe being sup...	06/01/1976

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Class 454/1 - CHIMNEY OR STACK