Patents by Inventor Scott Amsbaugh

Scott Amsbaugh 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).

  • Valve leakby diagnostics
    Patent number: 8887549
    Abstract: A method is disclosed for determining leakby in a flow controller (100) comprising a flow sensor (102), a flow control valve (106) and electronics (104). The electronics are coupled to the flow sensor, the flow control valve and configured to adjust the flow control valve in response to the signal of the flow sensor indicating the flow rate of the material such that a set flow rate of material through the flow controller is maintained. The steps of the method comprise determining (302) a zero drift (Qdrift) value for the flow sensor (102). Determining (304) a flow rate (Qflow) through the flow controller (100) when the control valve (106) is in the fully closed position. And determining (306) the leakby through the flow controller (100) where the leakby is equal Qflow-Qdrift.
    Type: Grant
    Filed: February 19, 2007
    Date of Patent: November 18, 2014
    Assignee: Brooks Instrument, LLC
    Inventors: Jay J. Mendelson, Christopher A. Mazza, Scott Amsbaugh, Gary Francis Conner, Edward T. Fisher
  • VALVE LEAKBY DIAGNOSTICS
    Publication number: 20100132813
    Abstract: A method is disclosed for determining leakby in a flow controller (100) comprising a flow sensor (102), a flow control valve (106) and electronics (104). The electronics are coupled to the flow sensor, the flow control valve and configured to adjust the flow control valve in response to the signal of the flow sensor indicating the flow rate of the material such that a set flow rate of material through the flow controller is maintained. The steps of the method comprise determining (302) a zero drift (Qdrift) value for the flow sensor (102). Determining (304) a flow rate (Qflow) through the flow controller (100) when the control valve (106) is in the fully closed position. And determining (306) the leakby through the flow controller (100) where the leakby is equal Qflow-Qdrift.
    Type: Application
    Filed: February 19, 2007
    Publication date: June 3, 2010
    Inventors: Jay J. Mendelson, Christopher A. Mazza, Scott Amsbaugh, Gary Francis Conner, Edward T. Fisher