Patents by Inventor Lawrence G. Trowbridge

Lawrence G. Trowbridge 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: 6504280
    Abstract: An adjustable attachment alternator for motor vehicles is comprised of a rotor, a stator, a stator housing for clamping a stator between two end frames, and a variety of separately formed mounting ears for securing the alternator to an engine. To secure the alternator to a particular engine the alternator is configured by attaching particular mounting ears to particular locations on the periphery of the housing end frames by means of fasteners. The housing end frames have a plurality of frame attachment holes to accommodate the mating of the various mounting ears. The variety of mounting ears having one or more mounting ear holes for securing the alternator to an engine, also have a plurality of mounting ear attachment holes for attachment to the periphery of the end frames by means of fasteners. With separately formed mounting ears, an alternator's configuration is completed in the final assembly operation when mounting ears are attached.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: January 7, 2003
    Inventor: Lawrence G. Trowbridge
  • Publication number: 20020117920
    Abstract: An adjustable attachment alternator for motor vehicles is comprised of a rotor, a stator, a stator housing for clamping a stator between two end frames, and a variety of separately formed mounting ears for securing the alternator to an engine. To secure the alternator to a particular engine the alternator is configured by attaching particular mounting ears to particular locations on the periphery of the housing end frames by means of fasteners. The housing end frames have a plurality of frame attachment holes to accommodate the mating of the various mounting ears. The variety of mounting ears having one or more mounting ear holes for securing the alternator to an engine, also have a plurality of mounting ear attachment holes for attachment to the periphery of the end frames by means of fasteners. With separately formed mounting ears, an alternator's configuration is completed in the final assembly operation when mounting ears are attached.
    Type: Application
    Filed: February 28, 2001
    Publication date: August 29, 2002
    Inventor: Lawrence G. Trowbridge
  • Patent number: 5705870
    Abstract: A universal automotive alternator which comprises an alternator body, a front plate and an assemblage for attaching the front plate to the alternator body. A back plate is also provided. A structure is for securing the back plate to the alternator body. A facility is for mounting the front plate to a bracket on an engine. In some instances, a component is utilized for mounting the back plate to a bracket on the engine.
    Type: Grant
    Filed: October 19, 1995
    Date of Patent: January 6, 1998
    Inventors: Bradley E. Thomsen, Lawrence G. Trowbridge