Patents by Inventor Mark N. Burn

Mark N. Burn 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).

  • Baffleless tube and shell heat exchanger having fluted tubes
    Patent number: 5181560
    Abstract: A baffleless tube and shell heat exchanger for cooling a liquid, comprising a shell having an inlet and an outlet; a plurality of tubes longitudinally disposed in the shell, each of the tubes having an inlet and an outlet for passing a coolant therethrough, the liquid to be cooled passing through the shell along the exterior of the tubes, the interior and exterior circumference of the tubes being fluted substantially along the entire length thereof such that the coolant flows substantially longitudinally through the tubes in a spiralled manner and the liquid passes substantially longitudinally through the shell in a spiralled manner; and support means for supporting the tubes wherein the flow of the liquid through the heat exchanger only experiences restriction due to the tubes and the support means, there being no baffles to restrict the flow.
    Type: Grant
    Filed: October 17, 1990
    Date of Patent: January 26, 1993
    Inventor: Mark N. Burn