Patents by Inventor Robert Earl Barrows

Robert Earl Barrows 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).

  • Governor device
    Patent number: 4090821
    Abstract: A governor device for rotary grinders and the like is disclosed. The device prevents the dangerous overspeed of the grinder by throttling air to the motor as the grinder speed approaches overspeed. Throttling action is accomplished by means of allowing a resilient split ring or segment to expand radially out against air inlet orifices by means of centrifugal force. The split ring is assisted outwardly by means of an auxiliary mass means disposed within radially extended slots of an internal cage means.
    Type: Grant
    Filed: June 29, 1976
    Date of Patent: May 23, 1978
    Assignee: Ingersoll-Rand Company
    Inventors: Robert Earl Barrows, Reginald William Pauley