Patents by Inventor Jan Kurzenberger

Jan Kurzenberger 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).

  • Publication number: 20080277130
    Abstract: A handheld work apparatus has a housing (2) wherein an internal combustion engine (10) and a fuel-metering unit for the engine (10) are mounted. A throttle lever (6) is provided which is pivotally journalled on a handle (3). The handle (3) is connected to the housing (2) via at least one antivibration element (33). A vibration gap (9) is formed between the handle (3) and the housing (2). A transmitting unit (13) is provided for transmitting the pivot movement of the throttle lever (6) to the fuel-metering unit. The transmitting unit (13) includes a rigid transmitting element (17, 77) which bridges the vibration gap (9). The transmitting element (17, 77) is rotatably journalled on at least one bearing (18, 19, 59) and transmits the pivot movement of the throttle lever (6) as a rotation about a rotational axis (22) lying transversely to the vibration gap (9). A first bearing (19, 59) of the transmitting element (17, 77) is located on the fuel-metering unit.
    Type: Application
    Filed: May 9, 2008
    Publication date: November 13, 2008
    Inventors: Jan Kurzenberger, Alexander Kraus
  • Patent number: 7337757
    Abstract: A carburetor (1) for an internal combustion engine has an intake channel section (3) wherein a throttle element and a choke element are supported to pivot about respective rotational axes (34, 35). The carburetor (1) has a starter unit which has an operating position, an off position and at least one start position. In the start position, the starter unit fixes defined positions of the throttle element and the choke element. A simple manipulability and a multifaceted operational use of the carburetor (1) are achieved when the starter unit includes an actuating lever (29, 69) and an intermediate lever (18, 68) having respective rotational axes (28, 37) which are at a distance (c) to each other at least at the elevation of the intermediate lever (18, 68) and when the actuating lever (29, 69) acts on the throttle element via the intermediate lever (18, 68).
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: March 4, 2008
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Olaf Schmidt, Andreas Schulz, Jan Kurzenberger
  • Publication number: 20070221158
    Abstract: A carburetor (1) for an internal combustion engine has an intake channel section (3) wherein a throttle element and a choke element are supported to pivot about respective rotational axes (34, 35). The carburetor (1) has a starter unit which has an operating position, an off position and at least one start position. In the start position, the starter unit fixes defined positions of the throttle element and the choke element. A simple manipulability and a multifaceted operational use of the carburetor (1) are achieved when the starter unit includes an actuating lever (29, 69) and an intermediate lever (18, 68) having respective rotational axes (28, 37) which are at a distance (c) to each other at least at the elevation of the intermediate lever (18, 68) and when the actuating lever (29, 69) acts on the throttle element via the intermediate lever (18, 68).
    Type: Application
    Filed: March 23, 2007
    Publication date: September 27, 2007
    Inventors: Olaf Schmidt, Andreas Schulz, Jan Kurzenberger