Patents by Inventor Hans-Erik Ångström

Hans-Erik Ångström 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 and device for fuel injection in a combustion engine
    Patent number: 6314936
    Abstract: The invention concerns a method by combustion in an internal combustion engine, for example a direct injected diesel engine, in which the fuel injection is done with during the injection changing direction to avoid injection into an already fuel rich location and a device for fuel injection in an internal combustion engine in which the injector is provided with an injector nozzle (1), that is arranged to spray a fuel spray (23) through at least one hole (311) into the engine combustion chamber and the injection is arranged to be done with during the injection changing direction to avoid injection in an already fuel rich location.
    Type: Grant
    Filed: August 18, 1999
    Date of Patent: November 13, 2001
    Assignee: Sigmec AB
    Inventor: Hans-Erik Ångström