Patents by Inventor George E. Richardson

George E. Richardson 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).

  • Turbine engine blade variable cooling means
    Patent number: 4785624
    Abstract: A turbine engine, having a cooling passage diverting a part of the airflow from the turbine compressor for impingement upon the turbine blades, includes a concentric pair of apertured rings disposed in the passage for variably obstructing flow through the cooling passage between zero and a maximal value. One of the rings is fixed to the turbine housing, while the other of the rings is rotatable with respect to the first ring and the housing. The mobile ring can be rotated by a pressurized cylinder and piston assembly, or by a biasing device causing abutment of a stop on the second ring against an abutment surface on a cam. The cylinder and piston are actuated, or the cam is rotated, in dependence upon an engine operating characteristic such as engine speed, pressure, temperature, flight condition or other determinable parameter.
    Type: Grant
    Filed: June 30, 1987
    Date of Patent: November 22, 1988
    Assignee: Teledyne Industries, Inc.
    Inventors: Raymond Smith, Quentin Z. Peregoy, George E. Richardson
  • Exposure system
    Patent number: 4117375
    Abstract: An exposure system is described employing a lamp and means for controlling the exposure time period during which light from the lamp at a preselected level is passed through a light path to an exposure plane. Light is detected in the light path and the brightness of the lamp is adjusted according to the sensed light to provide the preselected level of light output from the lamp during the exposure period. Also described is a method for operating such a system.
    Type: Grant
    Filed: December 15, 1976
    Date of Patent: September 26, 1978
    Assignee: Optical Associates, Incorporated
    Inventors: Gerald Bachur, George E. Richardson
  • Radiation-sensitive control circuit for driving lamp at various power levels
    Patent number: 4024428
    Abstract: An exposure system is described employing a lamp and means for controlling the exposure time period during which light from the lamp at a preselected level is passed through a light path to an exposure plane. Light is detected in the light path and the brightness of the lamp is adjusted according to the sensed light to provide the preselected level of light output from the lamp during the exposure period. Also described is a method for operating such a system.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: May 17, 1977
    Assignee: Optical Associates, Incorporated
    Inventors: Gerald Bachur, George E. Richardson
  • Radiation-sensitive control circuit for driving lamp at various power levels
    Patent number: RE30571
    Abstract: An exposure system is described employing a lamp and means for controlling the exposure time period during which light from the lamp at a preselected level is passed through a light path to an exposure plane. Light is detected in the light path and the brightness of the lamp is adjusted according to the sensed light to provide the preselected level of light output from the lamp during the exposure period. Also described is a method for operating such a system.
    Type: Grant
    Filed: April 18, 1979
    Date of Patent: April 7, 1981
    Assignee: Optical Associates, Inc.
    Inventors: Gerald Bachur, George E. Richardson