Filtering Of Gas Or Vapor Patents (Class 34/480)
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Publication number: 20100000114Abstract: A method for operating a cleanout cycle to remove treating chemistry dispensed within a dispenser dryer.Type: ApplicationFiled: June 23, 2009Publication date: January 7, 2010Applicant: WHIRLPOOL CORPORATIONInventors: Michael T. Dalton, Kaustav Ghosh, Karl D. Mcallister
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Publication number: 20090255145Abstract: A method and apparatus for removing lint from air that is discharged from a clothes dryer uses a lint filtration housing mounted on the frame of the clothes dryer, the filtration housing having an interior that contains a filter for removing lint from the dryer exhaust air flow stream. The housing provides an influent fitting for transmitting heating exhaust air from the drying chamber to the housing interior. An ambient air supply enables ambient air to be added to the filtration housing interior. One or more vanes is provided that create an annular vortex within the filtration housing interior. The flow of the annular vortex within the filtration housing interior can be between about 500 and 3,000 cubic feet per second. A flow line transmits pre-heated air from the filtration housing interior to the dryer interior.Type: ApplicationFiled: April 9, 2009Publication date: October 15, 2009Applicant: PELLERIN MILNOR CORPORATIONInventor: Russell H. Poy
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Publication number: 20090165330Abstract: The invention relates to a domestic appliance for care of items of washing, with a drum for receiving the items of washing and a process air supply through which process air is able to be directed to and through the drum, a lint filter, which is arranged in the direction of flow of the process air after the drum and is embodied for filtering the lint contained in the process air and a sensor for detecting at least one parameter of the process air, with the lint filter and the sensor being arranged so that lint collected on the sensor can be automatically removed by the lint filter when the lint filter is removed from its installation position in the domestic appliance. The invention also relates to a method for removing lint from a domestic appliance for the care of items of washing.Type: ApplicationFiled: November 24, 2008Publication date: July 2, 2009Applicant: BSH Bosch und Siemens Hausgerate GmbHInventor: Uwe-Jens Krausch
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Publication number: 20090158614Abstract: A system and method for preparing a container holding high level radioactive waste for dry storage.Type: ApplicationFiled: December 22, 2008Publication date: June 25, 2009Inventors: Krishna P. Singh, John D. Griffiths
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Publication number: 20090151191Abstract: The invention relates to a domestic appliance for the care of items of washing, with a process air supply, through which a stream of air is able to be directed through a drum for holding the items of washing and which has a mesh filter for separating the lint out of the air stream, and with a facility for removing lint from the mesh filter, with the facility being embodied for removal of lint which is collected outside the process air supply on the mesh filter and includes a rinsing device with which this lint is able to be rinsed out of the mesh filter with rinsing fluid. The invention also relates to a method for removal of lint from a mesh filter of the domestic appliance.Type: ApplicationFiled: November 24, 2008Publication date: June 18, 2009Applicant: BSH Bosch und Siemens Hausgerate GmbHInventor: Klaus Grunert
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Publication number: 20090133284Abstract: A lint filter assembly for removing lint and particulate matter from a clothes dryer exhaust system includes a conduit adapter and a filtering element. In a preferred embodiment the lint filter is a secondary filter removably connected inline between conduits substantially at the point of communication of the exhaust gases through a wall or floor to the outside, the filter portion not exceeding the conduit size in diameter.Type: ApplicationFiled: February 2, 2009Publication date: May 28, 2009Inventor: Richard A. Belgard
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Patent number: 7501082Abstract: The invention relates to an oven for drawing fibers at elevated temperature, which oven is on two sides opposite one another provided with guide rolls dictating a zigzag up-and-down drawing trajectory for the fiber in the oven. In the oven according to the invention the drawing trajectory is at least 20 meters long and the rolls are driven. The invention also relates to a process for drawing fibers using the oven according to the invention, in particular to a process for producing highly oriented polyethylene fibers.Type: GrantFiled: September 27, 2001Date of Patent: March 10, 2009Assignee: DSM IP Assets B.V.Inventor: Jacobus Johannes Mencke
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Publication number: 20080022550Abstract: A filtration system is provided for a clothes dryer. The filtration system includes a filtration member that receives lint laden exhaust air that is expelled from the rotating drum of the dryer into an exhaust conduit during operation. The filtration system can be disposed in a portion of the exhaust conduit that is carried by the dryer housing, or can be disposed in a conduit that is external to the dryer housing. The filtration system can be used in combination with a conventional lint screen or independently, and is configured to remove lint from the lint laden exhaust air. The filtration material can be vacuumed as desired to remove lint that has been trapped in the material.Type: ApplicationFiled: July 31, 2007Publication date: January 31, 2008Inventor: Ronald Anthony Masters
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Patent number: 7251906Abstract: A drum type washing and drying machine includes a rotary drum for accommodating laundry therein; a front frame for forming a front surface of a main body of the washing and drying machine, wherein the front frame is provided with a laundry loading/unloading opening through which laundry is loaded into or unloaded from the rotary drum; a detergent dispenser accommodated in the front frame; a dryer filter, accommodated in the front frame, for collecting therein lint generated during a drying process; and a control panel for setting an operation of the main body and displaying an operating state thereof. The dryer filter and the detergent dispenser are substantially symmetrically disposed with respect to the control panel interposed therebetween.Type: GrantFiled: May 13, 2005Date of Patent: August 7, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Hiroshi Kajihara, Yoshitomo Kato, Satoshi Maeda
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Patent number: 7160358Abstract: Contaminant laden gas streams from wood product dryer operations, and other sources, are purified. The gas stream first is saturated with moisture by contacting the gas stream with fine liquid droplets which entrain particulates. The gas stream then is subjected to a plurality of separate particulate and liquid droplet removal steps before a droplet-free gas stream having substantially reduced particulate contaminant levels is passed to a burner for removal of volatile organic compounds from the gas stream.Type: GrantFiled: April 11, 2005Date of Patent: January 9, 2007Assignee: Turbosonic Inc.Inventors: Edward F. Spink, Robert A. Allan
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Patent number: 6966126Abstract: A laundry drier includes a filter is disposed removably in the air duct carrying the process air and is held in an at least two-part foldable frame. To extend its functionality with a view to the binding of odors from the laundry items, the filter contains a charcoal-fiber insert that is equipped to combine and/or convert odorous substances.Type: GrantFiled: July 22, 2002Date of Patent: November 22, 2005Assignee: BSH Bosch und Siemens Hausgeraete GmbHInventor: Martin Baurmann
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Patent number: 6886273Abstract: A system for separating hydrocarbons from a material which includes a process chamber, a process pan operatively connected to the process chamber and removable therefrom, a blower operatively connected to the process chamber and to a heat source, the blower adapted to force heated air into the process chamber through the material disposed on the process pan, the forced heated air adapted to vaporize hydrocarbons and other contaminants disposed on the material, and at least one condenser operatively connected to the process chamber and adapted to condense the vaporized hydrocarbons and other contaminants is disclosed. Further, a method for separating hydrocarbons from a material which includes passing a stream of heated air over the material to volatilize the hydrocarbons, passing the stream of heated air containing the hydrocarbons through at least one condenser to form liquid hydrocarbons, collecting the liquid hydrocarbons, and recirculating the heated air is disclosed.Type: GrantFiled: November 24, 2003Date of Patent: May 3, 2005Assignee: M-I L.L.C.Inventors: Gary E. Fout, Jerry T. Connaughton
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Patent number: 6848198Abstract: A heat treatment apparatus for preventing quality defects of an object to be heat-treated even when sublimating components produced in heat treatment become solids and drop down in the heat treatment apparatus, wherein a gas generated when heating an object to be heat-treated, coated with a coating solution and placed on a stage is passed through a trap made of a permeable porous film and is exhausted from an exhaust port of a cover and wherein solids produced and dropping down when gas passed through the trap of the permeable porous film solidifies at a top plate of the cover are trapped by the trap.Type: GrantFiled: December 8, 2003Date of Patent: February 1, 2005Assignee: Sony CorporationInventor: Yuko Yamaguchi
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Patent number: 6842998Abstract: A system, method, and apparatus for supplying a gas-liquid vapor to a process tank for performing semiconductor manufacturing. In one aspect, the invention is a method of supplying a gas-liquid vapor to a process tank comprising: supplying a gas stream through at least one hydrophobic tube; exposing the outside surface of the hydrophobic tube to a liquid so that the liquid permeates the hydrophobic tube and enters the gas stream, forming a gas-liquid vapor inside the tube; and transporting the gas-liquid vapor to the process tank. In another aspect, the invention is an apparatus for supplying a gas-liquid vapor to a process tank comprising: at least one hydrophobic tube adapted to carry a gas; and a housing forming a chamber that surrounds the tube, the chamber adapted to receive a liquid that can permeate the tube, forming a gas-liquid vapor.Type: GrantFiled: April 5, 2002Date of Patent: January 18, 2005Assignee: Akrion LLCInventors: Ismail Kashkoush, Richard Novak, Larry Myland
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Publication number: 20040128857Abstract: A filter for molten metal is an open-pored porous material comprising particles of refractory material embedded in and bonded together by a carbon matrix bonding material. The filter can be made by forming a porous article from refractory particles, e.g. refractory oxide, carbide or graphite, and a carbon-rich binder, e.g. tar, pitch or an organic (preferably aromatic) polymer that degrades to form carbon on pyrolysis, and then firing the porous article to generate the carbon matrix in which the refractory particles are embedded. The porous article is preferably made by coating a reticulated polyurethane foam with binder and refractory particles, and firing at preferably no higher than 800° C.Type: ApplicationFiled: February 26, 2003Publication date: July 8, 2004Inventors: David A Bell, David L Jones, Kassim Juma, Helmut Jaunich, Andreas Ansorge, Martin Schmidt
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Patent number: 6722056Abstract: Drying semiconductor wafers or substrates by introducing an polar organic compound in liquid form into or onto means for enhancing evaporation within a process chamber and allowing the liquid to evaporate and form a drying vapor within the process chamber.Type: GrantFiled: March 15, 2002Date of Patent: April 20, 2004Assignee: Akrion, LLCInventor: Lawrence J. Myland
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Publication number: 20030226278Abstract: The present invention provides an apparatus and method for drying the interior of a flexible beverage container. The apparatus includes a housing having an inlet and outlet. A blower is disposed intermediate between the inlet and outlet and is operative to draw air through the housing via the inlet and outlet. An exhaust pipe is disposed at the outlet whereby the container may be disposed thereon for drying. The dryer is operative to blow air onto the farmost inner portions of the container to facilitate thorough and hygienic drying between uses.Type: ApplicationFiled: May 1, 2003Publication date: December 11, 2003Inventor: Scott T. Merchant
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Publication number: 20030000101Abstract: An emptying unit for recovering bottom residue, particularly in drying filters, drying units and the like, comprising, inside a container for treating and containing dried product, fluid introducing elements for moving the bottom residue of the dried product. A discharge port being also provided which is controlled by a discharge valve interposed on a pneumatic circuit suitable to produce a circulation of fluid in output from the discharge port.Type: ApplicationFiled: June 17, 2002Publication date: January 2, 2003Applicant: 3V COGEIM S.p.A.Inventor: Luigi Fabbri
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Publication number: 20020152635Abstract: A quicker, safer, more reliable and more convenient way of connecting a dryer to an exhaust pipe extending from a wall therebehind is disclosed. An apparatus to facilitate connection of a dryer having an vent pipe extending from a rear side portion thereof, to an exhaust pipe extending outwardly from a wall, comprises: a pan portion having a bottom side portion having a peripheral edge portion and a lateral sidewall connected around and extending away from the peripheral edge portion and an inner side of the bottom portion; said lateral sidewall adapted to laterally and resiliently compress; and, a short tubular section having one end portion adapted to fit closely together with the dryer vent pipe, and an opposite end portion extending through and connected to the outer side of the bottom portion of the pan portion.Type: ApplicationFiled: April 23, 2001Publication date: October 24, 2002Inventor: John F. Gherna
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Patent number: 6467189Abstract: A transport enclosure arranged between a first apparatus and a second apparatus, all located in a clean room, is shielded from the clean room and maintained a degree of cleanliness which is cleaner than that of the clean room. Accordingly, the volume of space within the clean room requiring the highest degree of cleanliness is minimized, thereby reducing overall costs.Type: GrantFiled: April 26, 2002Date of Patent: October 22, 2002Assignee: OKI Electric Industry Co., Ltd.Inventor: Shigeki Kuroda
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Patent number: 6430839Abstract: A transport enclosure arranged between a first apparatus and a second apparatus, all located in a clean room, is shielded from the clean room and maintained a degree of cleanliness which is cleaner than that of the clean room. Accordingly, the volume of space within the clean room requiring the highest degree of cleanliness is minimized, thereby reducing overall costs.Type: GrantFiled: December 15, 1999Date of Patent: August 13, 2002Assignee: Oki Electric Industry Co., Ltd.Inventor: Shigeki Kuroda
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Publication number: 20010023544Abstract: An appliance for thermally processing granular material, especially for roasting food items such as coffee beans. The granular material lies on a perforated base through which gas flows upwardly to create a fluidized bed. The exhaust gas is fed to a cyclone separator for separation of entrained solid particles. Preferably, the base is located in an inner chamber which is at least partially enclosed in an outer chamber forming the cyclone separator. The exhaust gas is fed into a top opening of the outer chamber thereby providing a rotary gas flow. Alternatively, the base is located in an outer chamber in which at least the area above the base is designed as the cyclone separator. The outer chamber at least partially encloses an inner chamber through which gas is fed to create a rotary gas flow. In both cases, an extremely compact roaster design is realized.Type: ApplicationFiled: March 9, 2001Publication date: September 27, 2001Inventor: Andreas Krueger
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Patent number: 6189238Abstract: A portable purge system for transporting materials, such as semiconductor wafers used in the manufacture of ICs, comprises a carrier having compartments for releasably receiving and enclosing the materials therein. The carrier is flooded with an inert gas such as nitrogen so as to adsorb the nitrogen on the surface of the materials, dilute contaminants, and purge the contaminants from the carrier. The carrier and the flooding means are mounted in a transport case. A humidifier is connected to the flooding means so that the materials will adsorb water and thereby further resist adsorption of hydrocarbon contaminants.Type: GrantFiled: November 30, 1998Date of Patent: February 20, 2001Assignee: Lucent Technologies Inc.Inventors: Mindaugas F. Dautartas, Ofer Sneh
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Patent number: 6161310Abstract: An elbow for use in connecting the exhaust vent of a clothes dryer to an exhaust duct. The elbow having a depth equal to or less than the exhaust duct diameter while maintaining a constant exhaust airflow velocity. Preferably, the elbow comprises a rectangular portion connected to the dryer exhaust vent and an adapter portion extending from the rectangular portion and connecting to the exhaust duct.Type: GrantFiled: March 10, 1999Date of Patent: December 19, 2000Assignee: Builder's Best, Inc.Inventors: W. Gregory Tuggle, Robert Kenrick
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Patent number: 5970625Abstract: An automated air filtration and drying system including an energy and environmental management system for controlling, monitoring and supervising the operation and performance of the air filtration and drying system, a capture apparatus for capturing and controlling overspray, and a drying/curing control module for rapidly drying a painted article using a continuously filtered and dehumidified flow of recycled air.Type: GrantFiled: June 24, 1997Date of Patent: October 26, 1999Assignee: Optimum Air CorporationInventors: Fred G. Scheufler, Richard D. Scheufler, William H. Bayard
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Patent number: 5896674Abstract: A dry cleaner easily and rapidly eliminates particles and dirt adhered to interior surfaces of the wafer carrier. The dry cleaner has a housing with a table mounted thereon, and an assembly for cleaning the wafer carriers disposed on the table. The cleaning assembly sprays a cleaning gas simultaneously into the carrier box and the cover of the wafer carrier. Dirt and particles separated from the carrier box and the cover are collected, by vacuum pressure through openings in the table, into a dirt-collector disposed in the housing, and then discharged through an exhaust tube. A controller controls a quantity of cleaning gas supplied and a time of cleaning by the cleaning assembly.Type: GrantFiled: December 30, 1996Date of Patent: April 27, 1999Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Joon Kim, Yun-Soo Han, Jai-Kang Jeon, Sang-Young Mun
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Patent number: 5882381Abstract: A thermal desorption system for the treatment of contaminated solids.Type: GrantFiled: March 27, 1997Date of Patent: March 16, 1999Assignee: Modern Equipment Company, Inc.Inventors: Gunther Hauck, Lynwood L. Socks, Rodney H. Schueller, Robert Youmans, John W. Noland, Wayne L. Read
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Patent number: 5706588Abstract: The present invention discloses a device and method for separating lint particles in a clothes dryer. In the present invention, the device and method use a cyclone to separate the lint particles. The cyclone includes a housing container having an inlet port and an outlet port. A screen is positioned about the inlet port. A tubing extends through the outlet port into the housing container. A drawing means draws moisture and lint laden air from the clothes dryer through the screen. A circulating means circulates the moisture and lint laden air in the housing container about the tubing. A removing means removes the moisture and lint laden air from the housing container and retains any lint particles within the housing container. The cyclone improves upon the efficiency of accumulating lint particles without compromising the passage of air flow in the exhaust duct and improves upon the passage of air flow without decreasing the amount of lint particles being trapped.Type: GrantFiled: August 13, 1996Date of Patent: January 13, 1998Assignee: General Electric CompanyInventors: Mark Edward Dausch, Seth Alexander Capello, Youssef El-Shoubary, Donald Richard Dickerson, Jr.
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Patent number: 5603751Abstract: A gas filtration system which includes a primary separator for removing a majority of a particulate material from a gas stream. The primary separator discharges a filtered gas stream which retains a portion of the particulate material. The filtered gas stream from the primary separator is delivered to a secondary particulate source which introduces additional particulate material into the filtered gas stream to produce a conditioned gas stream containing primary and secondary particulate material. The output of the secondary particulate source is delivered to a secondary filter which removes the primary and secondary particulate material from the conditioned gas stream to output the resulting gas stream, substantially void of particulate material. The conditioned gas stream contains a minimum amount of particulate material necessary to achieve optimal efficiency and operating life within the secondary separator.Type: GrantFiled: June 2, 1995Date of Patent: February 18, 1997Assignee: Mac Equipment, Inc.Inventor: Ross A. Ackerson
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Patent number: 5565112Abstract: An arrangement and method of retrofitting a filter using a disposable media to use a permanent media belt passed through a filter tank, in which movable carts are positioned at the entrance and discharge ends of the filter tank, and a roll of permanent filter media belt segment is unwound and passed through the filter tank and rewound into a roll on the other cart at the discharge end of the filter tank with the permanent filter media belt segment being cleaned and dried prior to being rewound. Upon complete rewinding of the segment, the movable carts are switched in their positions and the permanent filter media belt segment again unwound to be again passed through the filter tank with the process repeated. A second removable cart can also be positioned at the entrance side of the filter tank with the leading end connected to the trailing end of the previous belt segment automatically to be carried through the filter tank to ensure uninterrupted filter operation by successive feed of the two belt segments.Type: GrantFiled: June 20, 1994Date of Patent: October 15, 1996Assignee: Filtra-Systems CompanyInventor: Jack R. Bratten
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Patent number: 5560120Abstract: An improved lint handling system for a household laundry dryer is provided. The lint handling system for a laundry dryer has a dryer drum with an exit grill. The lint handling system provides a blower speed increaser to increase airflow in the dryer. The lint handling system also has a lint container and a foreign objects trap connected to the exit grill. Also a lint separator to separate lint from the airflow in the dryer is provided. The lint separator has an input connected to the foreign objects trap and an output connected to the lint container. A laundry dryer having a lint handling system as described is also provided. The lint handling system of the invention also provides a scroll-shaped centrifugal blower housing having a cylindrical base to accept airflow tangentially, a cutoff and a throat region to produce high velocity airflow. The blower housing further has a Helmholtz resonator located in the throat to reduce the acoustic emissions at a blade passage frequency.Type: GrantFiled: April 20, 1995Date of Patent: October 1, 1996Assignee: Whirlpool CorporationInventors: Edward T. Swanson, Patrick J. Clark, Anthony J. Sajdak, Mark R. Jaske, Johnny W. Zimmerle, Robert E. Smith, Mark H. Nelson, Raymond M. Goodman, Kevin M. Herreman
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Patent number: 5540846Abstract: The invention relates to a process for the separation, in particular filtration of liquids and solids from solid-liquid mixtures, such as from a mineral, ore, coal or sludge suspensions of contaminated earth. The processing space of the filtration apparatus is submitted to overpressure and includes a collector container for solid-liquid mixture, a pressure filter, a discharge system and container for condensate and solid matter. The separation or filtration takes place at an overpressure and at an elevated temperature, preferably 40.degree. C. to 300.degree. C., conveniently 60.degree. C. to 200.degree. C., preferably about 150.degree. C. The pressure filter device communicates with a source for a heated medium.Type: GrantFiled: November 5, 1993Date of Patent: July 30, 1996Assignee: Andritz-Patentverwaltungs-Gesellschaft m.B.H.Inventors: Manfred Koch, Reinhard Pinter
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Patent number: 5519948Abstract: A process for the production of pourable, free-flowing granules which are suitable for use as wetting agents, detergents or cleaning products from aqueous solutions or suspensions of such materials in a fluidized-bed spray granulation apparatus employing a hot fluidizing gas. The aqueous selections or suspensions are dried with superheated steam as the fluidizing and drying gas wherein the drying step is carried out in a closed-loop system comprising a steam circuit from which the water evaporated from the aqueous solutions or suspensions of starting materials is removed as a partial stream and the thermal energy released is returned to the steam circuit. The granules are discharged from the granulation apparatus before they can be damaged by heat.Type: GrantFiled: October 26, 1994Date of Patent: May 28, 1996Assignee: Henkel CorporationInventors: Wilfried Raehse, Johann Fues, Wilhelm Beck, Otto Koch
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Patent number: 5435837Abstract: Ionization systems in and for laundry dryers and other contexts, whereby to neutralize static electricity build-up and acidic conditions, and thereby create environmentally friendly systems for drying clothes and other fabrics, generally prolonging fabric life, reducing particle and lint entrainment, and also reducing if not eliminating acidic conditions in dryers and other environs.Type: GrantFiled: December 6, 1993Date of Patent: July 25, 1995Inventors: Keith B. Lewis, Stewart M. Bradford
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Patent number: 5416981Abstract: A dehumidifying machine is used for dehydrating materials and includes a tank used for depositing the materials therein, a draft tube system which has an inlet portion and an outlet portion communicated with the tank, an induced draft fan which is mounted in the draft tube system between the inlet and outlet portions and which has an inhaling portion and an exhaling portion so as to circulate the air in the dehumidifying machine, and a heating device mounted in the draft tube system in order to heat the air, which is exhaled from the outlet portion of the draft tube system into the tank so as to dehydrate the materials. The dehumidifying machine further includes a filter device which is mounted in the draft tube system near the inlet portion so as to block impurities carried in the air from moving into the heat device and the tank.Type: GrantFiled: October 26, 1993Date of Patent: May 23, 1995Inventor: Ching-Shui Yeh