Patents by Inventor Brian W. Pritchard

Brian W. Pritchard 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).

  • Variable evaporator control for a gas dryer
    Patent number: 7370484
    Abstract: A variable evaporator control system and method in a gas dryer for maximizing the cooling which can be accomplished for a given length heat exchanger by adjusting the evaporator refrigerant approach temperature responsive to changes in the gas load on the system. Pressure and/or temperature sensors positioned at particular locations in the system provide feedback for controlling adjustments in the approach temperature depending on the gas load.
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: May 13, 2008
    Assignee: Flair Corporation
    Inventors: Brian W. Pritchard, Mark F. Honath, Timothy J. Fox
  • Variable evaporator control for a gas dryer
    Patent number: 7111470
    Abstract: A variable evaporator control system and method in a gas dryer for maximizing the cooling which can be accomplished for a given length heat exchanger by adjusting the evaporator refrigerant approach temperature responsive to changes in the gas load on the system. Pressure and/or temperature sensors positioned at particular locations in the system provide feedback for controlling adjustments in the approach temperature depending on the gas load.
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: September 26, 2006
    Assignee: SPX Corporation
    Inventors: Brian W. Pritchard, Mark F. Honath, Timothy J. Fox
  • Variable evaporator control for a gas dryer
    Publication number: 20040172953
    Abstract: A variable evaporator control system and method in a gas dryer for maximizing the cooling which can be accomplished for a given length heat exchanger by adjusting the evaporator refrigerant approach temperature responsive to changes in the gas load on the system. Pressure and/or temperature sensors positioned at particular locations in the system provide feedback for controlling adjustments in the approach temperature depending on the gas load.
    Type: Application
    Filed: March 18, 2004
    Publication date: September 9, 2004
    Inventors: Brian W. Pritchard, Mark F. Honath, Timothy J. Fox
  • Variable evaporator control for a gas dryer
    Patent number: 6711906
    Abstract: A variable evaporator control system and method in a gas dryer for maximizing the cooling which can be accomplished for a given length heat exchanger by adjusting the evaporator refrigerant approach temperature responsive to changes in the gas load on the system. Pressure and/or temperature sensors positioned at particular locations in the system provide feedback for controlling adjustments in the approach temperature depending on the gas load.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: March 30, 2004
    Assignee: Hankison International
    Inventors: Brian W. Pritchard, Mark F. Honath, Timothy J. Fox
  • Variable evaporator control for a gas dryer
    Publication number: 20020174665
    Abstract: A variable evaporator control system and method in a gas dryer for maximizing the cooling which can be accomplished for a given length heat exchanger by adjusting the evaporator refrigerant approach temperature responsive to changes in the gas load on the system. Pressure and/or temperature sensors positioned at particular locations in the system provide feedback for controlling adjustments in the approach temperature depending on the gas load.
    Type: Application
    Filed: April 16, 2002
    Publication date: November 28, 2002
    Inventors: Brian W. Pritchard, Mark F. Honath, Timothy J. Fox