Patents Represented by Law Firm Seidel, Gonda, Goldhammer & Panitoh
  • Heat exchanger for withstanding cyclic changes in temperature
    Patent number: 4207944
    Abstract: A shell and tube type heater exchanger is disclosed for withstanding cyclic changes in temperatures of fluid without suffering failure by removing metal from the outer periphery of a tube sheet. The central portion of the tube sheet is a smooth arching contour mating with portions of the adjoining shell proximate to the tube sheet periphery without abrupt changes of section so that the surfaces blend with one another.
    Type: Grant
    Filed: February 15, 1978
    Date of Patent: June 17, 1980
    Assignee: Joseph Oat Corporation
    Inventors: Maurice Holtz, Krishna P. Singh, Alan I. Soler