Patents by Inventor Helmar Troll

Helmar Troll 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 induction system for an internal combustion engine
    Patent number: 4175504
    Abstract: The invention provides an air induction system or manifold for a multi-cylinder internal combustion engine, which is arranged in two parts, the first having portions of the induction passages for each cylinder formed therein, and the second attached to the first to form a housing therewith in communication with each of the induction passages, at least the first part being arranged so that it may be pressure die cast in manufacture.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: November 27, 1979
    Assignee: Bayerische Motoren Werke AG
    Inventors: Georg Ederer, Adolf Fischer, Paul Rosche, Helmar Troll, Wolfgang Wurst, Helmut Hengl, Jiri Seidl
  • Air induction system for an internal combustion engine
    Patent number: 4111163
    Abstract: The invention provides an air induction system or manifold for a multi-cylinder internal combustion engine, which is arranged in two parts, the first having portions of the induction passages for each cylinder formed therein, and the second attached to the first to form a housing therewith in communication with each of the induction passages, at least the first part being arranged so that it may be pressure die cast in manufacture.
    Type: Grant
    Filed: July 22, 1975
    Date of Patent: September 5, 1978
    Assignee: Bayerische Motoren Werke AG
    Inventors: Georg Ederer, Adolf Fischer, Paul Rosche, Helmar Troll, Wolfgang Wurst, Helmut Hengl, Jiri Seidl