Patents by Inventor Andrew R. Guillotte

Andrew R. Guillotte 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).

  • Transmission hydraulic retarder control system and method of operating
    Patent number: 9377066
    Abstract: A method of operating a hydraulic retarder including directing fluid from a retarder pump to the retarder when the retarder is turned on. Fluid from a main pump is directed to a torque converter, which fluid is directed to at least one of a lube operation, a tank or a cooler when the retarder is turned off. Fluid from the main pump by way of the torque converter is directed to the retarder when the retarder is on, but not filled, and to the tank or the lube operation when the retarder is filled.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: June 28, 2016
    Assignee: Caterpillar Inc.
    Inventors: Andrew R. Guillotte, Travis Miller, Don Wilbur, Mark Batdorff
  • Transmission hydraulic retarder control system and method of operating
    Patent number: 9377065
    Abstract: A method of operating a hydraulic retarder includes directing fluid from a retarder pump to the retarder when the retarder is turned on, directing fluid from a main pump by way of a torque converter to the retarder when the retarder is on, but not filled. When the retarder is off or is on and filled, the method includes directing fluid from the main pump by way of the torque converter to at least one of a lube operation, the tank or a cooler.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: June 28, 2016
    Assignee: Caterpillar Inc.
    Inventors: Andrew R. Guillotte, Travis Miller, Don Wilbur, Mark Batdorff
  • Transmission Hydraulic Retarder Control System and Method of Operating
    Publication number: 20160017948
    Abstract: A method of operating a hydraulic retarder including directing fluid from a retarder pump to the retarder when the retarder is turned on. Fluid from a main pump is directed to a torque converter, which fluid is directed to at least one of a lube operation, a tank or a cooler when the retarder is turned off. Fluid from the main pump by way of the torque converter is directed to the retarder when the retarder is on, but not filled, and to the tank or the lube operation when the retarder is filled.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 21, 2016
    Applicant: CATERPILLAR INC.
    Inventors: Andrew R. Guillotte, Travis Miller, Don Wilbur, Mark Batdorff
  • Transmission Hydraulic Retarder Control System and Method of Operating
    Publication number: 20160016570
    Abstract: A method of operating a hydraulic retarder includes directing fluid from a retarder pump to the retarder when the retarder is turned on, directing fluid from a main pump by way of a torque converter to the retarder when the retarder is on, but not filled. When the retarder is off or is on and filled, the method includes directing fluid from the main pump by way of the torque converter to at least one of a lube operation, the tank or a cooler.
    Type: Application
    Filed: July 15, 2014
    Publication date: January 21, 2016
    Applicant: CATERPILLAR INC.
    Inventors: Andrew R. Guillotte, Travis Miller, Don Wilbur, Mark Batdorff