Patents by Inventor Helmut Wolfinger

Helmut Wolfinger 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).

  • Air quantity metering apparatus
    Patent number: 4149494
    Abstract: Disclosed herein is an air quantity metering apparatus for use in internal combustion engines including a fuel injection system having an air intake manifold provided with a barrier flap which is mounted on a shaft to which is attached, exteriorly of said manifold, a spring loaded mechanism that serves to pretension the barrier flap in dependence upon conditions that exist in said manifold.
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: April 17, 1979
    Assignee: Robert Bosch GmbH
    Inventors: Helmut Wolfinger, Hermann Hoelle, Peter Romann