Patents by Inventor Amir Karas

Amir Karas 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).

  • Method of and apparatus for controlling the operation of a valve that regulates the flow of geothermal fluid
    Patent number: 5483797
    Abstract: The present invention provides a method of and apparatus for controlling the operation of a valve that regulates the flow of geothermal fluid that comprises geothermal brine and steam flowing through the valve to a geothermal plant. The method includes determining the maximum permitted value of at least one parameter or quantity affecting the operation of the geothermal plant, and setting a predetermined value for the at least one quantity which is less than the maximum value of the quantity. The flow of fluid through the valve is reduced when the value of said at least one quantity reaches its preset value for maintaining the operation of the geothermal plant.
    Type: Grant
    Filed: June 24, 1993
    Date of Patent: January 16, 1996
    Assignee: Ormat Industries Ltd.
    Inventors: Meir Rigal, Amir Karas, Aba Nathan, Yechiel Rifner, Naday Amir, Lucien Y. Bronicki, Moshe Grassianni