Patents by Inventor Erwin Flesch

Erwin Flesch 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).

  • Free-jet-nozzle
    Patent number: 4067307
    Abstract: A free-jet-nozzle, particularly for the piston cooling system in reciprocating piston internal combustion engines, which is intended to forcibly bring about a vortex-free flow in the cooling medium flowing through the nozzle; the flow channel for the cooling medium is provided at least over a part of its length with radially inwardly extending, axially parallel ribs which leave open in the center of the flow channel a free cylindrical passage.
    Type: Grant
    Filed: August 23, 1974
    Date of Patent: January 10, 1978
    Assignee: Motoren- und Turbinen Union Friedrichshafen GmbH
    Inventors: Hubert Hofle, Erwin Flesch