Patents by Inventor Lawrence Sidney Smith

Lawrence Sidney Smith 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).

  • Lead-lag compensated temperature sensor
    Patent number: 4017027
    Abstract: A lead-lag compensated gas-filled temperature sensor having an output which essentially matches, without error, the temperature of a flowing airstream in a gas turbine engine during both transient and steady state conditions comprises a pair of gas-filled temperature probes disposed in the airstream and filled with a gas which expands in response to temperature changes in the airstream at different rates, a pressure responsive means having opposite sides in closed fluid communication with the sensors for compensated movement in one direction and valve means disposed adjacent the pressure responsive means controlled by movement of the pressure responsive means to vary the hydraulic pressure in a system to be controlled.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: April 12, 1977
    Assignee: United Technologies Corporation
    Inventor: Lawrence Sidney Smith