Patents by Inventor Barry Granville Waller

Barry Granville Waller 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).

  • Oil management system for a compressor
    Patent number: 9551357
    Abstract: The invention relates to an oil management system for a compressor in a refrigeration system comprising: an oil temperature sensor; a heater arranged to heat oil in a crank case of the compressor; and a controller operatively associated with the temperature sensor and the heater, the controller arranged to control operation of the heater on the basis of ambient air temperature and oil temperature to maintain the oil temperature within a range Tmax?R?Tmin where Tmax>Tmin.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: January 24, 2017
    Assignee: Emerson Climate Technologies GmbH
    Inventor: Barry Granville Waller