Patents by Inventor Werner Dohla

Werner Dohla 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).

  • Fuel oil burner with fuel heater and electromagnetic
    Patent number: 5460330
    Abstract: A fuel oil burner with a fuel heater and an electromagnetic valve has a pipe member with an external diameter, a first end portion adjacent a fuel feed duct and a second end portion adjacent a nozzle. The first end portion is connected with the fuel feed duct and the second end portion is connected with the nozzle. In the pipe member are members for conducting and for preheating the fuel. The electromagnetic stop valve is arranged between the preheater and the nozzle. Electrical contacts adapted for the preheater and the stop valve are provided at the pipe member in the vicinity of the first end portion. Electrical connections to the stop valve and the preheater are within the external diameter of the pipe member. The fuel oil burner is very compact, compatible and reliable.
    Type: Grant
    Filed: February 2, 1994
    Date of Patent: October 24, 1995
    Assignee: Rapa Rausch & Pausch Elektrotechnische Spezialfabrik GmbH
    Inventors: Walter Steeb, Werner Dohla, Dietrich Brunner