Patents by Inventor Howard C. Peppel, deceased

Howard C. Peppel, deceased 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).

  • Self-cooled metal-clad switchgear
    Patent number: 4118755
    Abstract: Metal-clad switchgear utilizing means to provide for self-cooling of the current transformers and primary disconnecting contacts. The support enclosure for the current transformers and the disconnecting contacts is apertured beneath the location of the current transformers, and air may enter the enclosure to cool the current transformers and contacts. A ventilating duct is in fluid communication with air within the enclosure, and transports the heated air from the enclosure to exhaust vents situated at the top of the metal-clad switchgear housing.
    Type: Grant
    Filed: October 5, 1977
    Date of Patent: October 3, 1978
    Assignee: Westinghouse Electric Corp.
    Inventors: Norman Davies, Morley P. Langley, Howard C. Peppel, deceased