Patents by Inventor Wolfram Ruff

Wolfram Ruff has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Mass or energy transfer process using fluidized bed
    Patent number: 5588986
    Abstract: A method for the design and performance of a process such as scrubbing, stripping, heat transfer from one stream to another, and removal of particulate constituents from a gas stream.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: December 31, 1996
    Assignees: Euro-Matic Ltd., VAW Aluminium AG
    Inventors: Howard P. Davis, Wolfram Ruff
  • Method for the treatment of gases, ellipsoidal packing and its use
    Patent number: 5376165
    Abstract: A method for treating a gas stream to remove heat, gaseous, liquid or particulate matter, or add heat, vapor, or moisture, which includes the steps of:providing a tower having a bed with fluidizable hollow ellipsoidal packing with a long semi-axis and a short semi-axis;introducing a liquid stream into the tower at a liquid flow rate L, and countercurrently introducing the gas stream into the tower at a gas flow rate G sufficient to maintain the bed in a fluidized state and a gas velocity v; andadjusting the volume ratio of the liquid flow to gas flow to cause the ellipsoidal packing to circulate predominantly in the vertical direction relative to the long semi-axis and to maintain a pressure gradient .DELTA.P/H.sub.o across the depth of the fluidized bed of at least about 1500 Pa/m, and, simultaneously, to satisfy the equation:L/G=K.sub.1 (.DELTA.P/H.sub.o v)+K.sub.2wherein L/G is the volume ratio of liquid to gas; .DELTA.P is the pressure drop across the bed; H.sub.
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: December 27, 1994
    Assignee: Vereinigte Aluminium-Werke A.G.
    Inventors: Wolfram Ruff, Howard P. Davis
  • Method for the treatment of gases, ellipsoidal packing and its use
    Patent number: RE35594
    Abstract: A method for treating a gas stream to remove heat, gaseous, liquid or particulate matter, or add heat, vapor, or moisture, which includes the steps of:providing a tower having a bed with fluidizable hollow ellipsoidal packing with a long semi-axis and a short semi-axis;introducing a liquid stream into the tower at a liquid flow rate L, and countercurrently introducing the gas stream into the tower at a gas flow rate G sufficient to maintain the bed in a fluidized state and a gas velocity v; andadjusting the volume ratio of the liquid flow to gas flow to cause the ellipsoidal packing to circulate predominantly in the vertical direction relative to the long semi-axis and to maintain a pressure gradient .DELTA.P/H.sub.o across the depth of the fluidized bed of at least about 1500 Pa/m, and, simultaneously, to satisfy the equation:L/G=K.sub.1 (.DELTA.P/H.sub.o v)+K.sub.2wherein L/G is the volume ratio of liquid to gas; .DELTA.P is the pressure drop across the bed; H.sub.
    Type: Grant
    Filed: November 21, 1995
    Date of Patent: August 26, 1997
    Assignees: VAW Aluminium A.G., Euro-Matic Ltd.
    Inventors: Wolfram Ruff, Howard P. Davis