Patents by Inventor Jack Haeflich

Jack Haeflich 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).

  • Combined heat recovery and emission control system
    Patent number: 4572110
    Abstract: A gas turbine cogeneration plant having a combined heat recovery and emission control system with a first steam boiler having a bank of steam generating tubes upstream of a NOX emission reduction unit and second and third steam boilers having banks of steam generating tubes downstream of the NOX emission reduction unit and wherein the upstream steam boiler has a temperature responsive control system which regulates the upstream boiler pressure and thereby regulates the temperature and heat exchange rate of its steam generating tubes to regulate the temperature of the exhaust gas stream at the NOX emission reduction unit.
    Type: Grant
    Filed: March 1, 1985
    Date of Patent: February 25, 1986
    Assignee: Energy Services Inc.
    Inventor: Jack Haeflich
  • Water injection system for industrial gas turbine engine
    Patent number: 4110973
    Abstract: A gas turbine engine power plant employing a water injection system having a water/fuel mixing device for injecting water into the engine fuel as it is conducted to the engine combustion chambers. The water/fuel mixing device employs a fuel conduit with a helical arrangement of water injection apertures for injecting water jets through the fuel to impinge upon the inside wall of the conduit and mix homogeneously with the fuel.
    Type: Grant
    Filed: January 24, 1977
    Date of Patent: September 5, 1978
    Assignee: Energy Services Inc.
    Inventors: Jack Haeflich, Peter C. Christman