Patents by Inventor Ian Michael Casper

Ian Michael Casper 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).

  • Chiller sound reduction control system and method
    Patent number: 7743617
    Abstract: A noise control method is provided for a cooling system having at least one refrigerant circuit. The refrigerant circuit includes a compressor, a condenser, at least one condenser fan, and an evaporator. Noise control is only performed periodically in response to requirements for reduced operation at predetermined times. The request for reduced noise triggers the commencement of the noise control method. The noise control method involves reducing the operating speed of the compressor, as well as reducing the operating speed of at least one condenser fan, to within a predetermined range of allowable reduced operating speeds. The noise control method temporarily overrides the ability of the cooling system to fully respond to increased cooling or heating demands.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: June 29, 2010
    Assignee: York International Corporation
    Inventors: Curtis Christian Crane, Frank Highland Hill, IV, Andrew John Graybill, Ian Michael Casper