Patents by Inventor Parmanand Mungur

Parmanand Mungur 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).

  • Patent number: 4993663
    Abstract: A hybrid laminar flow nacelle for housing an engine of an aircraft includes an outer annular cowl having a leading lip and radially spaced and axially extending annular outer and inner forward surface portions which merge at the leading lip. The nacelle incorporates a suction bleed system between the surfaces and a tailored outer surface geometry shape for producing reduced friction drag laminar flow over the outer cowl at cruise operation of the aircraft and producing separation-free flow over the inner surface of the cowl at off-cruise operation of the aircraft.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: February 19, 1991
    Assignee: General Electric Company
    Inventors: Daniel J. Lahti, David E. Yates, Parmanand Mungur, Norbert O. Stockman