Assignee: Hudson Products Corporation

Location: Houston, TX
No. of patents: 44

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Number	Title	Issue Date
6311986	Seal joint between internals and pressure vessel inlet for separator arrangement A seal joint for an arrangement for separating a gas and liquid mixture, the arrangement having a vessel with an inlet for entry of the gas and liquid mixture and an outlet for exit of a separated gas, and a centrifugal separation cyclone in the vessel fo...	11/06/2001
6251168	High efficiency gas scrubber using combined coalescing media and centrifugal cyclone A high-efficiency secondary cyclone separator used in combination with a high-efficiency primary separator produces a gas stream having low liquid content in gas for a feed stream having either a high or low liquid loading. A high surface area to volume c...	06/26/2001
6241009	Integrated heat pipe vent condenser An integrated heat pipe vent condenser for a heat pipe steam condenser has a vent condenser casing surrounding one or more heat pipes in a vapor duct of the heat pipe steam condenser. The casing may be provided at an inclined orientation relative to a ver...	06/05/2001
6234210	Elliptical heat pipe with carbon steel fins and bonded with zinc galvanizing A heat pipe has an elliptical cross-section. Heat exchange fins are mounted to the heat pipe at the condenser end. The fins are galvanized on the heat pipe. Spacer pins can be used to support and space the heat exchange fins from each other. Internal spac...	05/22/2001
6096121	Seal joint for multiple internal separator arrangement A seal joint is for an arrangement for separating a gas and liquid mixture having a vessel with an inlet for entry of the gas and liquid mixture and an outlet for exit of a separated gas, and a centrifugal separation cyclone in the vessel for centrifugall...	08/01/2000
6019555	Debur tool for simultaneously removing burrs from and chamfering a hole in a workpiece A debur tool for simultaneously removing burrs from holes in a workpiece, such as those in a header box tube sheet, also has a beveled surface adjacent a cutting edge for chamfering an edge of the hole from which a burr is removed. The cutting edge is hor...	02/01/2000
6004385	Compact gas liquid separation system with real-time performance monitoring A gas/oil separation system for monitoring the performance of a compact, gas/oil separator apparatus which utilizes at least one pair of centrifugal force primary and secondary separators for separating a wellhead fluid containing crude oil, produced wate...	12/21/1999
5947111	Apparatus for the controlled heating of process fluids An apparatus for the controlled heating of a process fluid has a heater, a process fluid vessel containing the process fluid, and a bundle of thermosyphons extending between a burner chamber of the heater and the process fluid inside the vessel for transf...	09/07/1999
5765629	Steam condensing apparatus with freeze-protected vent condenser A two-stage steam condenser that prevents freezing from occurring in the tube rows by continual purging of the tube rows. Such continual purging prevents any steam from back-flowing into a tube row thereby eliminating the possibility that condensate or no...	06/16/1998
5741450	Method of and apparatus for molding a hollow fan blade A method of and apparatus for molding hollow items using the resin transfer molding technique in such a manner that the resin is more uniformly distributed about and along the molding region of the mold. This is accomplished by installing oppositely space...	04/21/1998
5694685	Method and apparatus for treating header plug gasket face An apparatus and method for roughening or otherwise changing the gasket face of a bolt-like header plug. This apparatus utilizes a cutting or etching tool that cuts into the originally flat gasket face. A threaded shank formed by a lathe or other screw cu...	12/09/1997
5653284	Heat pipe heat exchanger tubesheet A method and apparatus for separately supporting and sealing a heat pipe within a heat exchanger. For support, the heat pipe with fins thereon passes through a support grid which consists of a series of rings secured or interconnected together. The fins o...	08/05/1997
5653281	Steam condensing module with integral, stacked vent condenser An air-cooled steam condensing module with an integral vent condenser has a steam header, one or more rows of condensing tubes between the steam header and a (generally lower) common condensate header. The module also has at least one row of vent condense...	08/05/1997
5579830	Passive cooling of enclosures using heat pipes A cooling system for passively cooling an enclosure incorporating at least one inclined heat pipe having an evaporator side extending within the enclosure and a condenser side extending outside the enclosure in contact with the ambient environment. A ther...	12/03/1996
5579828	Flexible insert for heat pipe freeze protection A flexible, pressurized insert for insertion within the hot (evaporator) side of an inclined heat pipe that forms a part of a heat pipe heat exchanger. This insert is employed in order to prevent such heat pipe from rupturing in the event the working flui...	12/03/1996
5512011	Cover plate header tongue and groove grinding/polishing machine An apparatus for removing machine lines from the gasket groove in the flanges of a header box has a support plate mounted for linear movement on rails connected to the header box. The support carries a tool driver which can be pivoted below the support to...	04/30/1996
5511613	Elongated heat exchanger tubes having internal stiffening structure An elongated heat exchanger tube has an internally located stiffener assembly which prevents the deflection of the tube wall due to pressure differentials between the tube internal and external surfaces while allowing the flow of fluid between the areas o...	04/30/1996
5501576	Static efficiency enhancer for axial fans A static efficiency enhancer for an axial fan having a hub and a plurality of blades extending radially outward from the hub, the enhancer comprising a plurality of airfoils connected to the hub and extending outwardly therefrom to provide additional air ...	03/26/1996
5379831	Heat pipe heat exchanger A heat pipe heat exchanger utilizing a working fluid such as water incorporates heating means for preventing the freezing of the working fluid when the heat exchanger is non-operational. These heating means are located at or near the heat pipe in the lowe...	01/10/1995
5328335	Static efficiency enhancer for axial fans A static efficiency enhancer for an axial fan having a hub and a plurality of blades extending radially outward from the hub, the enhancer comprising a plurality of airfoils connected to the hub and extending outwardly therefrom to provide additional air ...	07/12/1994
5328329	Fan blade width extender A width extender is used to modify existing fan blades in order to enable them to rotate at slower speed thereby reducing the noise associated with them while at the same time maintaining a proper work efficiency. The width extender is fixably connected a...	07/12/1994
5328330	Extruded aluminum fan blade A fan blade comprising a body having a tip end and an in-board end is configured with first and second fin portions that extend along the trailing edge of the body of the fan blade. The first fin portion extends from the in-board end of the fan blade alon...	07/12/1994
5213476	Fan blade A molded hollow fan blade in which a preform (preferably constructed of glass fibers) is used to support the upper multiple layers of to-be-impregnated cloth within a mold. As resin is injected into the mold, the cloth and the preform become impregnated (...	05/25/1993
5210946	Leading edge protection for fan blade A protection element containing a spring steel strip is bent to have a greater curvature than the curvature at the leading edge of a fan blade. This protection element is then fixed to the leading edge of the fan blade over an area of maximum erosion. Rub...	05/18/1993
5165859	Leading edge protection for fan blade A protection element containing a spring steel strip is bent to have a greater curvature than the curvature at the leading edge of a fan blade. This protection element is then fixed to the leading edge of the fan blade over an area of maximum erosion. Rub...	11/24/1992
5156786	Method for manufacuring fan blades A method of molding a hollow fan blade in which a preform (preferably constructed of glass fibers) is used to support the upper multiple layers of to-be-impregnated cloth within a mold. As resin is injected into the mold, the cloth and the preform become ...	10/20/1992
5145000	Steam condensate storage tank with non-freezing feature A condensate storage tank assembly comprises a tank section having a condensate outlet at a lower end thereof. An upwardly enlarged steam chamber is connected to the upper end of the tank section and receives a condensate drain line which extends from the...	09/08/1992
4720244	Fan blade for an axial flow fan and method of forming same There are disclosed a blade for use as part of an axial flow fan and a method of forming such a blade wherein a large concentration of silica particles are molded into the leading edge of a hollow, one-piece molded body which includes a core of reinforced...	01/19/1988
4657070	Air-cooled vapor condensers There is disclosed an air-cooled vapor condenser having tube bundles mounted over the open end of the fan ring of an axial flow fan with their axes of the tubes inclined with respect to the direction of air flow and fins on the tubes which extend parallel...	04/14/1987
4634341	Axial flow fans There is disclosed an axial flow fan having blades which may be rotated about their axes to permit their pitches to be adjusted and which may be moved in a radial direction to adjust the clearance between their tips and the fan ring in which they rotate....	01/06/1987
4518035	Air-cooled, vacuum steam condenser There is disclosed a mechanical draft, vacuum steam condenser for use in steam turbine power plant service which permits the operator to turn selected air moving fans on or off in order to control the quantity of air flow over the tubes of the tube bundle...	05/21/1985
4345877	Axial flow fans and blades therefor There is disclosed an axial flow fan having blades which are made up of metallic inner portions attached to the hub of the fan, and outer plastic portions whose inner ends are secured to the outer ends of the metallic portion. The plastic portions are hol...	08/24/1982
4315873	Cooling equipment There is disclosed cooling equipment wherein air is caused to pass through a wet cooling tower section and thus precooled prior to passage across the tube bundle of a dry cooling tower section through which a medium to be cooled is circulated, and then ei...	02/16/1982
4301861	Steam condensing apparatus There is disclosed apparatus for use in condensing steam from the turbine exhaust of a power plant or the like, comprising a steam condenser having means for circulating cooling medium therethrough in order to condense a portion of the steam from the turb...	11/24/1981
4296802	Steam condensing apparatus There are disclosed four embodiments of apparatus for use in condensing steam from the turbine exhaust of a power plant or the like, each comprising a steam condenser having means for circulating cooling medium therethrough in heat exchange relation with ...	10/27/1981
4240502	Condensing heat exchanger There is disclosed a heat exchanger having one or more bundles of tubes through which steam or other vapor is passed and comprising horizontally arranged rows of tubes each of which is connected to a separate outlet header. Condensate from the outlet head...	12/23/1980
4235571	Cooling equipment Cooling equipment is disclosed as having an axial flow fan whose blades are restrained from excessive bending in an axial direction....	11/25/1980
4202405	Air cooled condenser There is disclosed an air cooled condenser comprising a tube bundle having rows of tubes arranged to be successively contacted by cooling air, an inlet header at one end of the bundle connected to the tubes of one of the outermost rows and the row adjacen...	05/13/1980
4168742	Tube bundle There is disclosed apparatus for condensing steam, or other vapors containing non-condensibles such as air, which includes bundles each made up of a single row of parallel, side-by-side and spaced-apart tubes over which air is passed in a direction transv...	09/25/1979
4129180	Vapor condensing apparatus There is disclosed apparatus which includes an air-cooled condenser having main and vent portions for use in condensing steam or other vapors containing non-condensibles such as air at a pressure near or below atmospheric, a pot into which condensate from...	12/12/1978

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Assignee: Hudson Products Corporation