Patents by Inventor Gerhard Finsterwalder

Gerhard Finsterwalder 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).

  • Patent number: 5135367
    Abstract: A fuel injector for diesel engines, having at least one pump plunger (1), which is sealingly guided in a plunger bushing (2) and, together with said bushing, defines a high-pressure space (5). The pump plunger (1) has an internal suction valve (6) which creates a fuel injection pump having a small dead volume in the high-pressure region and low construction cost. The suction valve (6) may be provided with a cone-shaped compression spring (7) disposed in the high-pressure region (5) or with a stroke limiting stop (28, 28a).
    Type: Grant
    Filed: May 3, 1990
    Date of Patent: August 4, 1992
    Assignee: Kloeckner-Humboldt-Deutz AG
    Inventors: Gerhard Finsterwalder, Reda Rizk, Hans G. Michels
  • Patent number: 5067880
    Abstract: A fuel injector for diesel engines, having at least one pump plunger (1), which is sealingly guided in a plunger bushing (2) and, together with said bushing, defines a high-pressure space (5). The pump plunger (1) has an internal suction valve (6) which creates a fuel injection pump having a small dead volume in the high-pressure region and low construction cost. The suction valve (6) may be provided with a cone-shaped compression spring (7) disposed in the high-pressure region (5) or with a stroke limiting stop (28, 28a).
    Type: Grant
    Filed: April 22, 1991
    Date of Patent: November 26, 1991
    Assignee: Kloeckner-Humboldt-Duetz AG
    Inventors: Gerhard Finsterwalder, Reda Rizk, Hans G. Michels
  • Patent number: 4766861
    Abstract: An ignition device for an air-compressing internal combustion engine which, in addition to reducing electrode erosion, requires low energy consumption. The ignition device includes a high-voltage spark plug (2) to which a casing (6) is connected, a rod (8) inserted coaxially into the casing (6) and an incandescent helix (11) wound around the rod (8).
    Type: Grant
    Filed: September 14, 1987
    Date of Patent: August 30, 1988
    Assignee: Kloeckner-Humboldt-Deutz AG
    Inventor: Gerhard Finsterwalder
  • Patent number: 4368702
    Abstract: A method and apparatus for operating an air-compressing, self-igniting combustion machine or engine, for liquid fuels, which has a combustion chamber depression, in the piston, into which fuel is sprayed or injected essentially centrally, preferably in a direction toward the depression wall, and in which the combustion air rotates at the time of injection. Oxygen-containing fuel that is reluctant to ignite is injected through an injection device into the combustion chamber depression, and an ignitible fuel is sprayed or injected through a second injection device, with an overlap in the injection times of the ignitible fuel and the oxygen-containing fuel that is reluctant to ignite. Ignition of the oil fuel, gas oil or Diesel fuel starts before injection of the oxygen-containing fuel that is reluctant to ignite. After approximately 2/3 of the injection time of the Diesel fuel, there begins the injection of the oxygen-containing fuel which is reluctant to ignite.
    Type: Grant
    Filed: January 9, 1980
    Date of Patent: January 18, 1983
    Assignee: Klockner-Humboldt-Deutz Aktiengesellschaft
    Inventors: Gerhard Finsterwalder, Jakob Saftig
  • Patent number: 4124979
    Abstract: An internal combustion engine with exhaust gas turbocharger, according to which in the lower partial load range of the engine for purposes of increasing the temperature of the air charge exhaust gas from an exhaust gas conduit is through a connecting line admixed to the compressed air charge, and according to which in the full load range a portion of the compressed air charge is through a connecting line passed from an air charge pressure line into the exhaust gas conduit ahead of the exhaust gas turbine. Ahead of where the connecting line leads into the air charge pressure line, there is provided an air charge cooler which by means of a thermostatic control controls the charge air of the internal combustion engine to a predetermined temperature.
    Type: Grant
    Filed: November 29, 1976
    Date of Patent: November 14, 1978
    Assignee: Klockner-Humboldt-Deutz Aktiengesellschaft
    Inventors: Paul Tholen, Gerhard Finsterwalder