Patents Assigned to Fisher-Klosterman, Inc.
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Patent number: 7708808Abstract: A cyclone separator including a gas inlet, a gas outlet, and a particle outlet opening, wherein a rotatable particle collection chamber is in fluid communication with the particle outlet opening.Type: GrantFiled: June 1, 2007Date of Patent: May 4, 2010Assignee: Fisher-Klosterman, Inc.Inventor: William L. Heumann
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Patent number: 7434694Abstract: A cyclone separator has at least one baffle spaced inwardly from the cyclone separator housing to serve as a false wall which allows particles that separate from the gas stream to fall down between the baffle and the housing without being re-entrained into the gas stream.Type: GrantFiled: September 22, 2006Date of Patent: October 14, 2008Assignee: Fisher-Klosterman, Inc.Inventor: Frank James Elvin
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Patent number: 6910585Abstract: An apparatus and process for classifying fine particles from a particulate material, such as toner and pigment powders. The apparatus is generally a dynamic centrifugal gas (air) classifier that combines the operational advantages of centrifugal air classifiers with increased aerodynamic forces provided by a rotating member to classify powders at cutpoints of fifteen micrometers and finer. The classifier is configured to have an annular-shaped inner passage, an annular-shaped outer passage circumscribing the inner passage, and an inlet through which a gas-entrained particulate material is introduced substantially tangentially into the inner passage so as to impart a centrifugal force to the particulate material. A portion of the entraining gas is preferably separated and directed into the outer passage.Type: GrantFiled: August 31, 2000Date of Patent: June 28, 2005Assignee: Fisher-Klosterman, Inc.Inventors: Clarence Richard Kreiser, James Frank Miller
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Patent number: 6837912Abstract: A cyclone separator including vanes along the inside wall of the conical section of the separator to regulate the pitch and thus the axial velocity of the gas flow stream in the separator. By adjusting the pitch of the gas flow stream, the collection efficiency of the separator can be optimized so as to minimize the amount of dust particles which are re-entrained in the gas flow stream exiting the separator.Type: GrantFiled: April 2, 2003Date of Patent: January 4, 2005Assignee: Fisher-Klosterman, Inc.Inventor: William L. Heumann
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Patent number: 6686752Abstract: A vessel, as for a cyclone separator, includes a continuous electrical conductor embedded in the wall of the vessel for sensing when the lining has eroded.Type: GrantFiled: June 19, 2002Date of Patent: February 3, 2004Assignee: Fisher-Klosterman, Inc.Inventors: William L. Heumann, Frank Elvin, Russell J. Lewis, Edwin D. Tenney, Joseph A. Urban, Mark T. Noppenberger, James F. Miller
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Patent number: 6361576Abstract: A cyclone for high temperature applications where the outlet pipe is vertically hung, properly located, and sealed over the vessel outlet opening without the need for bolts, so as to allow dimensional growth due to thermal expansion without failure-causing stresses induced on welds.Type: GrantFiled: April 12, 2000Date of Patent: March 26, 2002Assignee: Fisher-Klosterman, Inc.Inventor: Anthony Vincent Andriola
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Patent number: 5907910Abstract: A method has been found to improve the efficiency of a cyclone system for a fluidized bed. The typical plurality of cyclones arranged in series in communication with the fluidized bed is replaced by a plurality of similarly-sized cyclones arranged in parallel, so that the residence time in each of the cyclones is greater than it was in the original system, thereby greatly improving the recovery of particulate material while greatly reducing the energy consumption of the system.Type: GrantFiled: April 24, 1997Date of Patent: June 1, 1999Assignee: Fisher-Klosterman, Inc.Inventor: William L. Heumann
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Patent number: 5612003Abstract: A fluidized bed vessel includes a cyclone which has a leg for returning particulate material to the bed, and an eductor at the bottom of the leg for providing the gas to fluidize the bed and for inducing a downward flow in the leg to provide greater particulate separation from the gas in the cyclone.Type: GrantFiled: October 18, 1995Date of Patent: March 18, 1997Assignee: Fisher-Klosterman, Inc.Inventor: William L. Heumann
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Patent number: 4118206Abstract: A filtering device for cleansing oil mist from an effluent flow includes a hollow casing containing a filtering media of packed particulate solids and channel means projecting into the media adapted to conduct an effluent flow to the media and disperse it therethrough whereby oil mist particles are retained in the media while the cleansed flow is admitted to the atmosphere. The particulate solids of the filtering media are of a material having an affinity for attracting and retaining oil and the material is disposed in successive layers such that the effluent must pass through a bed of graduated density whereby the filtering efficiency is enhanced.Type: GrantFiled: December 7, 1976Date of Patent: October 3, 1978Assignee: Fisher-Klosterman, Inc.Inventor: Willem Jacob Hagendoorn